• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    There is provided a device capable of improving the tightness of a pusher with a simple structure. A portable timepiece includes a housing, an actuating member (41) and a locking ring (46). The housing includes a holding portion in which an annular bearing surface (35a) is formed. The actuating element (41) is made of a flexible material having a sealing ability. The actuating member (41) includes an annular liner portion (42) to be placed on the bearing surface (35a) and the inwardly biasing portion (43) connected integrally to the portion , to which inward pushing operation is effected from outside the housing. The locking ring (46) includes a clamping portion (47) closing an opening (47a) traversed by the inwardly pressing portion (43) and in contact with the packing portion (42), and a cylindrical portion (48) arranged around the holding portion for attaching the actuating member (41) to the housing. The clamping portion (47) and the bearing surface (35a) surround the packing portion (42) in a compressed state in a direction of the thickness of the portion when the actuating member (41) is attached to the housing by the locking ring (46).
    公开号:CH707633B1
    申请号:CH00215/14
    申请日:2014-02-18
    公开日:2018-04-30
    发明作者:Koshoji Hideaki；Hiranuma Haruki
    申请人:Seiko Instr Inc；
    IPC主号:
    专利说明:

    Description
    Background of the invention
    1. Field of the invention The present invention relates to a portable device and to a portable timepiece including an actuation button by pushing inwards.
    2. Description of the Prior Art [0002] Among portable devices including timepieces, such as a wristwatch and a pocket watch, a stopwatch, a mobile phone and a portable information terminal device, there are devices, for example, including an actuator such as a pusher for controlling contacts in an outer casing, which is attached to the outer casing. In such a device, given functions are executed when the pusher is pushed at given times. For example, in the portable timepiece, a dial window can be lit, a display can be changed from an analog display to a digital display, or can be changed in the reverse direction, and in addition, the date or day of the week that is displayed digitally can be changed.
    When a part of the stem of the pusher passes through the external casing from the inside to the outside in a certain kind of portable device, it is necessary to seal a part with which the pusher is associated ( push button inwards).
    To achieve the above, a sealing structure between the rod portion of the pusher and the outer shell is obtained by adding a seal material which has a ring shape and can be elastically deformed at the outer periphery of the stem portion of the pusher passing through a tube attached to the outer shell, and allowing the seal material to be in close contact with an inner surface of the tube in a state where the seal material is compressed in a radial direction (see JP-A-2004-319,446 [atent document 1]).
    A structure is also proposed in which a capsule covering a head part of a pusher having a rod part passing through an external casing from the inside to the outside is provided to seal the pusher. More specifically, the capsule is made of a flexible waterproof material, including a peripheral annular collar on an open end side and including an annular lip connected in one piece to the collar and closing the opening. When a locking ring inserted at the outer periphery of the capsule is fixed to the external housing by two screws, the peripheral collar is sandwiched between the locking ring and the external housing to thereby fix the capsule to the external housing. This attachment allows the annular lip of the capsule to press against a underside of a groove formed in the outer housing and to be held in a slightly compressed state, which achieves a tight structure (for example, see JP -A-2009-133,859 [atent document 2j).
    In the sealed structure described in patent document 1, when the pusher is moved in an axial direction, the seal material slides along an internal surface of the tube. Consequently, for example, in the condition in which the portable device is exposed to water, for example in the case where the pusher is operated in water, as the sealing capacity becomes unstable because of the sealed parts by the seal material are moved with the pusher, the sealing capacity can be reduced at the part where the pusher is arranged.
    In addition, a foreign material such as grains of sand can enter between the seal material and the internal surface of the tube, from outside the pusher, which can be pinched between the seal material and the internal surface of the tube. In the above circumstances, there is the risk that the seal will be reduced at the part where the pusher is arranged.
    In the sealed structure described in patent document 2, as the screws fixing the locking ring are arranged 180 degrees from one another around the capsule, it is difficult to sufficiently apply a force of jamming of the peripheral collar at positions 90 degrees apart from these two screws in a circumferential direction of the capsule, so that water can climb on the peripheral collar and enter the annular lip side in the water and in other places. Consequently, when the capsule is elastically deformed in water and the pusher covered by the capsule is operated, there is the risk that the seal will be reduced. In other words, since the capsule is pressed into water, the pressure force to be applied to the annular lip can move the annular lip with deformation. Therefore, as the sealing capacity due to the annular lip becomes unstable, there is the risk that the sealing will be reduced.
    Furthermore, in the waterproof structure described in patent document 2, the waterproof structure is produced using the capsule, the locking ring and two screws. Consequently, the number of components for the waterproof structure is large and the structure is complicated, so that the number of assembly steps for sealing is also large, as is the number of steps relating to the outer casing. which are needed to screw the locking ring is also great. As a result, it is disadvantageous for cost reduction.
    The techniques of the prior art have the problems that the sealing capacity around the pusher could be improved and that a simplification of the structure and a reduction in costs could constitute improvements.
    CH 707 633 B1
    SUMMARY OF THE INVENTION An object of the present invention is to create a portable device and a portable timepiece capable of improving the tightness of the actuation button by pushing inwards with a simple structure.
    To solve the above problems, a portable device according to the present invention comprises:
    an outer casing including a holding part in which a bearing surface is formed;
    an actuating element including a sealing part to be placed on the bearing surface and an inward pushing part connected integrally to the sealing part, and being made of a material which has a sealing capacity which is flexible so that the actuating element is capable of transmitting an actuation by pushing inwards from the outside of the outer casing; and a locking ring including a clamping part delimiting an opening traversed by the thrust part inwards and being in contact with the sealing part, and a cylindrical part connected in one piece to the clamping part and arranged around the holding part for attaching the actuating member to the outer casing, the locking ring holding the actuating member in a state attached to the outer casing so that the clamping part and the bearing surface surrounds the sealing part by compressing this sealing part in the direction of its thickness.
    The portable device according to the present invention can be applied to timepieces such as a wristwatch and a pocket watch, a stopwatch, a mobile phone and a portable information terminal device, and the external envelope means an external box or the like. In the invention, the holding part can be integrally formed with an outer casing component included in the outer casing. In the invention, the actuating element activates / deactivates a switch provided in the external envelope to control a device housed in the external envelope. In this case, the switch can be operated using a push rod to move to protrude inside the outer casing in conjunction with the inward pushing operation of the inward pushing portion. , or it is also possible to activate / deactivate a switch arranged inside the actuating element to control a device housed in the outer casing by actuation by pushing inwards the pushing part inward and release without using the push rod. However, it is preferable to provide a spring to recall the inward thrust element in an initial state when an inward thrust actuating force disappears, as well as to give a sensation on the actuation by pushed inwards, the spring can be omitted.
    As a flexible material forming the actuating element in the invention, a flexible plastic such as soft polypropylene and soft vinyl chloride, flexible resin such as an elastomer or synthetic rubber such as rubber fluorite and silicone rubber can be used. The inward pushing part of the actuating element can be an inward pushing part intended to return to its initial state by its elasticity when the actuating force by inward pushing does not is not applied, or may be an inward thrust portion intended to be returned to its original state by a spring force when the inward thrust actuating force is not applied.
    In the invention, it is possible to fulfill the given functions included in the device by operating the switch controlling the device housed in the outer casing on the basis of an actuation by pushing inwards carried out by the inward thrust portion of the actuator. In the invention, a seal with respect to the interior of the actuating element is produced by the place where the bearing surface included in the holding part of the outer casing and the clamping part of the 'locking ring between them have the sealing portion of the actuating member in the compressed state in the direction of its thickness. As a result, barely any variation appears in the sealing capacity at different locations in the joint portion. Furthermore, since the holding part and the locking ring are not badly displaced, the seal part is not moved when the inward pushing part is pushed inward or when the pushing part inward is brought back into the state before being pushed. As a result, the sealing capacity in the joint part does not become unstable. In addition, since the actuating element is attached to the outer casing by the cylindrical part of the locking ring, a part for fixing the locking ring to the outer casing is not necessary.
    Consequently, according to the present invention, it is possible to improve a tightness of the actuation button by pushing inwards formed by including the holding part, the actuating element and the locking ring. with simple structure.
    In the portable device according to a preferred embodiment of the present invention, the outer casing can include a through hole passing through the center of the holding part, and a push rod can be inserted into the through hole and can be pushed in the outer casing by the inward pushing part covering the pushing rod.
    In this preferred embodiment, the push rod is moved to protrude into the outer casing by the inward thrust portion when the inward thrust actuation is applied to the inward thrust portion. inside the actuating element, and the switch or the like controlling an integrated device housed in the outer casing is actuated by the push rod. As a result, it is possible to perform given functions included in the device. The annular seal part is not moved with the movement of the push rod, it is possible to improve a sealing capacity of the actuation button by pushing inwards with a simple structure.
    CH 707 633 B1 In the portable device according to a preferred embodiment of the present invention, the holding part can include a male screw part at its external periphery and the cylindrical part can include a female screw part at its internal periphery , and the actuating element can be attached to the outer casing by screwing the male screw part into the female screw part.
    In this preferred embodiment, the degree of compression of the sealing part of the actuating element (in other words, the sealing capacity of the seal part) can be adjusted by the degree of screwing the locking ring relative to the holding part of the outer casing. In addition, as the screwing between the female screw part and the male screw part can be undone relatively easily, it is possible to disassemble the seal part and replace the operating means.
    In the portable device according to a preferred embodiment of the present invention, when the cylindrical part is in place on the holding part so that the actuating element is attached to the external envelope, a space can be provided between an external surface of the external envelope connected perpendicularly to the holding part and an end surface of the cylindrical part.
    In this preferred mode, the locking ring can be screwed into the holding part until the space disappears. The greater the screwing, the greater the degree of compression of the sealing part. As a result, the sealing ability of the seal portion can be improved by allowing the tightening of the locking ring to be greater.
    In the portable device according to a preferred embodiment of the present invention, the actuating element can include a sandwich skirt, cylindrical, which is integral with the sealing part, which extends to from this sealing part and which is mounted on the external periphery of the holding part, and the actuating element can be attached to the external envelope by the cylindrical part which is mounted on the external periphery of the skirt sandwiched so that the holding part and the cylindrical part compress the sandwich skirt between them, in the direction of its thickness.
    In this preferred embodiment, as the sandwich skirt pinched by the holding part and the cylindrical part fulfills a sealing function, a sealing capacity of the actuation button by pushing inwards can be further improved. . In addition, it is not necessary to form screw parts respectively in the holding part and the cylindrical part when the actuating element is attached to the outer casing, so that manufacturing costs relating to the part and the cylindrical part can be reduced.
    In the portable device according to a preferred embodiment of the present invention, the outer casing may further include a cylindrical support part extending from the support surface, perpendicular to this support surface, and carrying from the inside the pushing part inwards.
    In this preferred embodiment, the actuating element is positioned relative to the holding part by adjusting the thrust part inwards at the external periphery of the support part. As a result, it is possible to prevent the sealing portion from being moved in a radial direction when the inward push actuation button is assembled.
    In the portable device according to a preferred embodiment of the present invention, an internal diameter of the support part can be greater than a diameter of the through hole, and the push rod can include a guided head part in an internal peripheral surface of the support part.
    In this preferred embodiment, when the push rod is moved in the axial direction, the head part of the push rod can be guided by the support part to allow in this way the movement of the push rod to be stable.
    In the portable device according to a preferred embodiment of the present invention, the external envelope may include a shell having a tube mounting hole and a support connected in one piece to the shell, and the support may include a tube part inserted into the tube mounting hole, in which the through hole is formed, and the holding part can be formed in the holder.
    In this preferred embodiment, as the support and the shell are separate parts, a mold for molding the shell is not complicated compared to the case of molding the shell having the holding part in one piece. In addition, since the holding part can be manufactured in the support as a separate component of the shell independently of the shell, it is possible to reduce the costs of manufacturing the mold compared to the case where the shell is manufactured and the holding part. is formed in one piece with the shell.
    To solve the problems mentioned above, a portable timepiece according to an embodiment of the present invention is formed by a portable device according to one of claims 1 to 13.
    According to this embodiment, the portable timepiece is formed by the portable device according to one of claims 1 to 13, so that it is possible to provide a portable timepiece capable of improve the tightness of the actuation button by pushing inwards with a simple structure.
    CH 707 633 B1 According to the present invention, the number of parts necessary to seal the actuation button by pushing inward is reduced and it is therefore possible to create a portable device and a timepiece portable capable of improving the tightness of the actuation button by pushing inwards with a simple waterproof structure, such as the seal part configured by the seal part in the actuation element, the bearing surface in the holding part and the clamping part in the locking ring which pinches the sealing part do not move at the level of the actuation by inward pushing of the inward thrust part included in the actuating element.
    Brief description of the drawings
    Fig. 1 is a plan view showing a wristwatch according to a first embodiment of the present invention.
    Fig. 2 is a sectional view of the wristwatch, along the line F-F of FIG. 1.
    Fig. 3 is an exploded and perspective view showing an inward pushing button constituting the wristwatch of FIG. 1.
    Fig. 4 is a sectional view corresponding to FIG. 2 and showing a wristwatch according to a second embodiment of the present invention.
    Fig. 5 is a sectional view corresponding to FIG. 2 and showing a wristwatch according to a third embodiment of the present invention.
    Fig. 6 is a sectional view corresponding to FIG. 2 and showing a wristwatch according to a fourth embodiment of the present invention.
    Fig. 7 is an exploded and perspective view showing an inward pushing button constituting the wristwatch of FIG. 6.
    Detailed description of the preferred embodiments A first embodiment of the present invention will be explained with reference to Figs. 1 to 3.
    The number 11 in Figs. 1 and 2 denote a portable device, for example a portable timepiece, which is specifically a wristwatch having a water-resistant capacity capable of being used in water. The wristwatch 11 includes an outer casing, for example an outer casing 12 for the timepiece.
    As shown in FIG. 2, a display window such as a dial window 13, an internal device such as a movement 15 controlling the movement of the hour hands 14 (see FIG. 1) displaying the time, a lamp not shown, an energy source such as a battery, not shown, are housed inside the external box 12.
    The movement 15 includes at least one reaction element, for example two contact elements 16 (a single element is shown in Fig. 2). These contact elements 16 are formed by leaf springs and protrude from the external periphery of the movement 15. When the contact elements 16 are pushed by actuation parts pushing inwards 31 described later, the movement 15 performs functions assigned to the respective inward actuation parts 31. For example, the push button 31 on the upper right in fig. 1 has a start / stop function for time measurement, and the inside push button 31 on the lower right has a lamp on / off function.
    As shown in FIG. 2, the outer housing 12 is formed so that a cover glass 22, through which the dial window 13 can be seen, is attached so as to be liquid tight to the front surface of a shell 21 formed in a shape annular and made of a metal such as stainless steel or titanium, a synthetic resin, and a back cover 23 made of a metal, a synthetic resin or the like is attached in a liquid-tight manner to the rear surface of the shell 21. In the embodiment, the shell 21 is formed by integrating a first shell element 24, for example made of a metal, to which the cover glass 22 is attached and a second shell element 25 to which the cover rear 23 is attached to each other by soldering. However, the present invention is not limited to the above, and the shell 21 can be a unitary element.
    The number 26 in FIG. 2 designates a seal for the seal between the first shell element 24 and the second shell element 25 which are connected to each other, and the numbers 27 and 28 respectively designate a seal for sealing against liquids of the external housing 12. The number 29 in fig. 2 designates an internal frame supporting the movement 15, and moreover, the number 30 in FIG. 1 designates a winder to activate the movement 15.
    The inward pushing actuation portions 31 are provided at given places in the external housing 12, for example two places in the shell 21 forming a circumferential side wall of the external housing 12, and specifically,
    CH 707 633 B1 on both sides of the winder 30 pinching the winder 30 (the upper side and the lower side of the winder 30 in fig. 1). As these inward pushing actuation portions 31 have the same structure, the inward pushing actuation button 31 having an on / off function of the lamp illuminating the dial window 13 will be explained here as a representative example with reference to FIG. 2.
    The inward pushing actuation button 31 includes, as described later, a holding part 35 included in the external housing 12, a bearing part 36, a through hole 34a, an element of actuation 41 arranged to cover the retaining part 35, a locking ring 46 allowing the actuating element 41 to be held by the retaining part 35, a push rod 51 to be pushed by the retaining element actuation 41 to project into the external housing 12 and a spring 61 recalling the push rod 51 in an initial position before being pushed.
    Specifically, the shell 21 of the outer housing 12 includes a tube mounting hole 32 having a round hole as well as a support 33. The tube mounting hole 32 is formed so as to pass through the second shell element 25 along a radial direction of the shell 21. The support 33 is a component made, for example, of the same kind of material as the second shell element 25 and molded separately from the second shell element 25, which is connected to the second shell element 25 using a brazing filler metal not shown. As a result, the support and the second metal element 25 are integral with each other.
    The support 33 includes a tube part 34, the holding part 35, the support part 36 and a concave part 37. A cross section of the tube part 34 in a direction orthogonal to a direction in which the line of central axis of the tube part 34 extends, has a circular ring shape, and the two ends of the tube part are respectively closed.
    The holding part 35 is formed to connect to the outer periphery of one end of the tube part 34, which has a larger diameter than the tube part 34. The holding part 35 includes a surface d 'support 35a and part of male screw 35b. The bearing surface 35a is formed by a surface of the holding part 35 positioned on the side opposite to the direction in which the tube part 34 protrudes relative to the holding part 35, namely the surface extending along the direction orthogonal to the central axis line of the support 33. The bearing surface 35a has a circular ring shape centered on the central axis line of the support 33. The male screw part 35b is formed on the outer periphery of the holding part 35 connected perpendicular to the bearing surface 35a.
    The support part 36 has a cylindrical shape having a smaller diameter than the holding part 35, which is connected perpendicular to the support surface 35a and formed to protrude in the direction opposite to the direction in which the tube part 34 protrudes with respect to the holding part 35. The concave part 37 is formed in the holding part 35 so that the bearing part 36 closes its periphery, which opens on the side opposite to the direction in which the tube part 34 projects relative to the holding part 35. Consequently, an internal diameter of the concave part 37, in other words the internal diameter of the bearing part 36, is larger than an internal diameter of the tube part 34, and the tube part 34 opens at a rear face of the concave part 37.
    The support 33 having the structure explained above is linked to the second shell element 25 by brazing in a state where the tube part 34 is inserted into the tube mounting hole 32 from the outside of the shell 21 and the holding part 35 comes into contact with an external surface 25a of the second shell element 25. The external housing 12 has the through hole 34a formed by an internal space of the tube part 34. The through hole 34a passes through the center of the holding part 35 and connects the interior to the exterior of the shell 21.
    The support 33 can be molded in one piece with the second shell element 25. In this case, there is no structure corresponding to the tube part and the tube mounting hole, and the through hole 34a is formed to pass through the second shell element 25 and connect the interior to the exterior of the shell 21.
    The structure in which the support 33 and the shell 21 are molded as separate components and integrated together, does not complicate a mold for molding the shell 21 compared to the case of the formation of the shell 21 integrally with the part 35. As a result, it is possible to reduce the costs of molding to thereby contribute to reducing the costs of the entire wristwatch. Furthermore, the holding part 35 can be manufactured in the support 33 as a separate component of the shell 21 independently of the shell 21. Consequently, it is possible to reduce the manufacturing costs compared to the case where the shell 21 is manufactured and the holding part 35 is formed integrally with the shell 21, which can contribute to reducing the costs of the entire wristwatch.
    The actuating element 41 is a one-piece molding product made of flexible materials having the sealing capacity. As flexible materials, materials having a high resistance to seawater and capable of being freely deformed, materials preferably capable of being elastically deformed, specifically, silicone rubber and the like can be used as appropriate. The actuator 41 is formed by including a sealing portion 42 and an inward pushing portion 43 as shown in Figs. 2 and 3.
    The inward pushing portion 43 has a capsule shape with a peripheral wall having a cylindrical shape, in which a central portion of a closed end wall protrudes from the rear surface side and is formed to be thicker than other parts. An internal diameter of the inward urging portion 43 is approximately the same as an outer diameter of the bearing portion 36 and the length of the inward urging portion 43 in the axial direction is longer than 'a projecting dimension of the support part 36 relative to
    CH 707 633 B1 the support surface 35a. The sealing part 42, for example, closes an opening of the actuating element 41, which projects in one piece to the outside so as to be connected from the peripheral wall of the pushing part towards the interior 43. The sealing portion 42 is formed in the form of a ring which is approximately the same shape as the bearing surface 35a.
    The actuating element 41 is arranged so that the sealing part 42 is placed on the bearing surface 35a and that the inward pushing part 43 is inserted into an external surface of the part d 'support 36. The inward pushing part 43 of the actuating element 41 can carry out a pushing operation from the outside towards the inside of the external casing 12 and can be recalled to the initial state before d be pushed by receiving a force in the direction opposite to the thrust direction from the inside.
    The locking ring 46 is preferably made of a metal or a hard synthetic resin of the same kind as the support 33. The locking ring 46 has a clamping part 47 and a cylindrical part 48 formed by '' in one piece with the clamping part 47.
    The clamping part 47 is a part coming into contact with the sealing part 42 for pinching the sealing part 42 with the bearing surface 35a, which is formed in the form of a ring delimiting an opening 47a . A diameter of the opening 47a is larger than an outside diameter of the inward pushing part 43. The cylindrical part 48 connected to the clamping part 47 has a cylindrical shape, in which a female screw part 48a is to be screwed to the male screw part 35b of the support 33 so as to be removable in an internal periphery of the cylindrical part 48. The numbers 49 in FIGS. 2 and 3 denote concave engagement portions opening towards an external surface of a corner portion formed by the clamping portion 47 and the cylindrical portion 48, and formed in a circumferential direction at intervals. The locking ring 46 is rotated in a state where a tool, not shown, engages with the concave engaging parts 49.
    A push rod 51 is a one-piece molding product made of a metal or a hard synthetic resin, which includes a rod part 52 and a head part 53.
    The rod part 52 has a columnar shape and is longer than a rod length from the tube part 34. The rod part 52 passes through the tube part 34 to be moved in the axial direction, and an elastic ring 54 to prevent the push rod 51 from falling from the tube part 34 is attached to a rod end (tip) of the rod part 52 protruding inside the shell 21. The elastic ring 54 is made of a metal, having a C shape or an E shape with a size sufficient to be engaged with an end face of the tube part 34 from the inside of the shell 21.
    The head portion 53 which is integrally formed at one end of the rod portion 52 has a cylindrical peripheral wall. An outside diameter of the peripheral wall is slightly smaller than an inside diameter of the concave part 37. The head part 53 can slide along an internal peripheral surface of the support part 36.
    A mounting groove 52a is formed at an intermediate portion of the rod portion 52 in the axial direction. In addition, a seal 55 with water and dust sealing functions is mounted in the mounting groove 52a. The seal 55 is made of a rubber-based or plastic-based material to be elastically deformed into a ring shape, which can slide along an inner peripheral surface of the tube portion 34. The airtight seal liquids between the tube part 34 and the rod part 52 is produced by the seal 55.
    A spring 61 is formed of a helical spring, and its two ends come into contact with a bottom face of the concave part 37 and a rear face of the head part 53 facing the bottom face, and are pinched by these faces in a compressed state. The spring 61 can be further compressed when the push rod 51 is pushed. The push rod 51 is biased towards the outside of the external housing 12, specifically, towards the external direction of the shell 21 by a spring force of the spring 61. Consequently, the elastic ring 54 is held in an engaged state with the end face of the tube part 34 protruding inside the outer housing 12. In addition, the head part 53 comes into contact with the inward pushing part 43 and is held in a state where the inward thrust part 43 is offset towards the external direction of the shell 21.
    Next, a procedure for assembling the inward pushing actuation button 31 will be explained. In this case, the support 33 included in the shell 21 is previously linked to the second shell element 25 by brazing.
    First, the rod portion 52 is inserted into the through hole of the shell 21 to which the back cover 23 is not attached, namely the through hole 34a formed in the support 33 from the outside to the interior of the shell 21 in a state where the spring 61 is freely mounted at the outer periphery of the rod portion 52 of the push rod 51 to which the seal 55 is attached to thereby compress the spring 61. The ring elastic 54 is attached to the rod portion 52 inside the shell 21 in the above insertion state.
    According to the above method, the elastic ring 54 is engaged with the tip of the tube part 34 to thereby maintain the compressed state of the spring 61. In addition, the seal 55 is in a state compressed in a diameter reduction direction with elastic deformation and comes into close contact with the internal surface of the through hole 34a to be adjustable. Consequently, a liquid-tight seal is produced between the internal surface of the through hole 34a and the rod part 52.
    CH 707 633 B1 Then, an internal peripheral surface of the inward pushing part 43 included in the actuating element 41 is added to the external periphery of the bearing part 36 of the shell 21 to the outside of the shell 21, and the sealing part 42 of the actuating element 41 is placed on the bearing surface 35a of the support 33. Consequently, the actuating element 41 covers the part of head 53 of the push rod 51 projecting outwards from the shell 21 and the actuating element 41 is arranged so that an internal face of the inward pushing part 43 comes into contact with a wall end of the head part 53. Consequently, the actuating element 41 is arranged so that the rod part 52 can be pushed inside the external housing 12 by the pushing part inwards 43 when the push part towards the i The interior 43 is pushed from the exterior of the outer housing 12 to the interior of the outer housing 12.
    During the work of arranging the actuating element 41, the actuating element 41 can be positioned relative to the holding part 35 of the support 33 when the inward thrust part 43 is added to the external periphery of the support part 36 as described above, which in this way facilitates the assembly of the actuation button by pushing inwards 31.
    Finally, the locking ring 46 is attached to the support 33 outside of the external housing 12. That is to say, the cylindrical part 48 included in the locking ring 46 is arranged around the holding part 35 included in the support 33 while allowing the pushing part 43 of the actuating element 41 to pass through the opening 47a included in the locking ring 46, which in this way links the actuating element 41 to the external housing 12. In this case, the female screw part 48a formed on the internal surface of the cylindrical part 48 is screwed to the male screw part 35a formed on the external periphery of the holding part 35 .
    The state in which the actuating element 41 is attached to the external housing 12 will be shown in FIG. 2. In this state, the clamping part 47 of the locking ring 46 and the bearing surface 35a pinch the sealing part 42 coming into contact with them in a compressed state in the thickness direction of the part. The clamping part 47, the bearing surface 35a and the sealing part 42 sandwiched therebetween form a joint part for a tight seal against liquids between the external housing 12 and the actuation button by pushing towards the inside 31 attached to the external box 12.
    As the actuating element 41 is positioned relative to the support 33 as described above when the seal part is assembled, it is possible to prevent the sealing part 42 from being moved in the direction radial by the support part 36 when the sealing part 42 is sandwiched between the clamping part 47 and the support surface 35a. Consequently, it is possible to assemble the joint part while sandwiching the sealing part 42 between the clamping part 47 and the support surface 35a positively.
    In the case where the sealing part 42 is not sandwiched correctly in the assembly, the sealing part 42 protrudes from the opening 47a or the pressure part 43 is deformed. As the pressing part 43 is inserted into the opening 47a, these defective states can be recognized visually, an assembly defect can be easily found.
    In the case where the locking ring 46 is screwed into the support 33 to attach the actuating element 41 to the external housing 12, it is possible to adjust the degree of compression of the sealing part 42 by adjusting the degree of screwing of the locking ring 46. In other words, the sealing capacity of the sealing part can be adjusted. The screwing of the female screw part 48a and the male screw part 35b can be undone relatively easily. Consequently, when maintenance of the seal part is necessary due to the deterioration of the actuating member 41 due to aging, for example, it is possible to disassemble the seal part and replace the means of operation 41 easily by removing the locking ring 46.
    A resetting force of the sealing part 42 in the pinched and elastically deformed state acts on in a place where the female screw part 48a is screwed to the male screw part 35b. As a result, the state in which the locking ring 46 is attached is maintained. In addition, as an edge surface of the cylindrical part 48 comes into close contact with the external surface 25a of the second shell element 25 forming the external surface of the external housing 12 connected perpendicularly to the holding part 35 in the first embodiment , the state of attachment of the locking ring 46 is maintained.
    In the wristwatch 11 having the inward pushing actuation button 31 assembled as explained in the foregoing, when the inward pushing portion 43 of the actuating member 41 included in the push-in actuation button 31 is pushed from outside the shell 21 with a deformation against a return force of the spring 61, the push rod 51 is pushed towards the inside of the shell 21 and the tip of the rod part 52 of the push rod 51 presses the contact element 16 arranged so as to face the rod part 52. Consequently, the function assigned to the actuation button by pushing towards the interior 31 to which actuation by pushing inward is applied as described above is carried out and, for example, a lamp for the illumination of the dial window 13 is switched on. After that, the push rod 51 is moved back towards the outside of the shell by the spring 61 when the actuation force by pushing inwards on the inward pushing part 43 is not added. The inward pushing part 43 is consequently moved back into a state before being pushed by the head part 53 of the pushing rod 51.
    CH 707 633 B1 In this case, the push rod 51 moved with the action of the actuation button by pushing inwards 31 as described above is not only supported so that the rod part 52 can slide along the wall surface forming the through hole 34a, that is, the tube part 34 through the seal 55 but also supported so that the head part 53 of the push rod 51 can slide along the internal peripheral surface of the support part 36. Consequently, as the movement of the push rod 51 is guided by the tube part 34 and the support part 36, it is possible to allow the push rod 51 to be more stable in the axial direction.
    The sealing with respect to the interior of the actuating element 41 of the wristwatch 11 in water is produced by the annular sealing part, namely the place where the surface of support 35a included in the holding part 35 of the shell 21 and the tightening part 47 of the locking ring 46 pinch the sealing part 42 of the actuating element 41 which is compressed in the direction of thickness.
    Since the clamping part 47 has the same shape of a ring as the bearing surface 35a, variations hardly appear in the sealing capacity at different positions of the joint part. The seal portion can be formed by pressing and uniformly compressed over the entire circumference of the ring-shaped seal portion 42. As a result, the sealing capacity for sealing against water and dust inside the actuating element 41 can be stabilized.
    Furthermore, as the holding part 35 and the locking ring 46 arranged around the holding part 35 is not moved in a bad way, the joint part is not moved when the part pressure 43 is pressed or the inward pushing portion 43 is returned to the state before being pushed. In other words, the seal part can maintain the sealing capacity, not being affected by the movement of the thrust part inward 43. Therefore, the sealing capacity of the sealing part seal having the sealing part 42 does not become unstable. In addition, since the sealing part 42 of the joint part does not move, the sealing capacity does not become unstable in the joint part due to abrasion of the sealing part 42.
    Consequently, a tightness of the inward pushing actuation button 31 is improved. Therefore, the inward push button 31 can be operated in water. In addition, the seal part for sealing by the seal 55 attached to the push rod 51 is further provided between the seal part and the interior of the shell 21 in the first embodiment. It is possible to prevent a foreign material such as water and grains of sand from entering the interior of the shell 21 more positively by the above double tightening. In this case, as it is possible to prevent a foreign material such as grains of sand from entering inside the seal part having the seal 55 on the inside of the shell 21 through the seal part on the exterior having the sealing part 42, it is possible to prevent foreign matter from being trapped between the seal 55 and the tube part 34. Consequently, the capacity of the seal part for sealing by the seal 55 is maintained, which retains the sealing capacity. In addition, since the foreign material is not trapped, the reduction in operability of the inward pushing actuation button 31 can be prevented, in other words, it is possible to prevent the operation pushing and moving the push rod 51 to become heavy.
    Furthermore, like the locking ring 46 having the sealing part 42 for sealing inside the actuating element 41 attaches the actuating element 41 to the external housing 12 by the cylindrical part 48, a part for fixing the locking ring 46 including the clamping part 47 for compressing the sealing part 42 to the external housing 12 is not necessary. Consequently, the structure of the inward pushing actuation button 31 formed including the holding portion 35, the actuating member 41 and the locking ring 46 can be simplified.
    In the wristwatch 11 according to the first embodiment as described above, it is possible to improve the tightness of the actuation button by pushing inwards 31 with a simple structure.
    FIG. 4 shows a second embodiment of the present invention. Structures of the second embodiment are the same as the first embodiment except the following description, therefore, the same structures or structures having the same functions as the first embodiment will be designated by the same numbers and the explanation will be omitted.
    In the second embodiment, an end face of the cylindrical part 48 included in the locking ring 46 is separated from an external surface 25a of the second shell member 25 in the state where the button d actuation by pushing inwards 31 is assembled, and a space G is provided between them. Other structures of the second embodiment are the same as the wristwatch 11 of the first embodiment including structures not shown in FIG. 4.
    Consequently, also in the second embodiment, it is possible to create the wristwatch 11 capable of improving the tightness of the actuation button by pushing inwards 31 with a simple structure, in accordance with reasons explained for the first embodiment. In addition, the locking ring 46 can be screwed into the holding part 35 until the space G disappears in the second embodiment. The deeper the screwing, the stronger the degree of compression of the sealing part 42. Consequently, when deterioration of the sealing capacity of the joint part including the sealing part 42 due to aging is expected, it is possible to respond to the deterioration. That is to say, the sealing part 42 is further compressed allowing the screwing
    CH 707 633 B1 of the locking ring 46 to be deeper, thereby improving the sealing capacity of the seal part including the seal part 42.
    FIG. 5 shows a third embodiment of the present invention. Structures of the third embodiment are the same as the first embodiment except the following description, therefore, the same structures or structures having the same functions as the first embodiment will be designated by the same numbers and the explanation will be omitted.
    In the third embodiment, the seal 55 is omitted. Other structures of the third embodiment are the same as the wristwatch 11 of the first embodiment including structures not shown in FIG. 5.
    Consequently, also in the third embodiment, it is possible to create the wristwatch 11 which can improve the tightness of the actuation button by pushing inwards 31 with a simple structure, in accordance with the reasons explained. for the first embodiment. In addition, the number of parts is further reduced with the omission of the seal used in the first embodiment, which can contribute to the reduction of costs.
    Furthermore, when there is the seal which can slide along the internal surface of the tube part 34, the internal surface of the tube part 34 is abraded due to the sliding of the seal, therefore, there has a danger that the sealing capacity inside the tube part 34 is gradually reduced during long term use. There is also a risk that a foreign material accumulated and separated from the seal in a cottony form due to the abrasion caused by the sliding movement is trapped between the seal and the tube part 34, which can gradually reduce the sealing capacity inside the tube part 34. However, such a concern does not appear when there is no seal which can slide along the internal surface of the tube part 34 in the third embodiment.
    Figs. 6 and 7 show a fourth embodiment of the present invention. Structures of the fourth embodiment are the same as the first embodiment except the following description, therefore, the same structures or structures having the same functions as the first embodiment will be designated by the same numbers and the explanation will be omitted.
    The fourth embodiment differs from the first embodiment in a structure in which the actuating element 41 is attached to the holding part 35. Specifically, the external periphery of the holding part 35 in the support 33 included in the shell 21 has a circular shape, and the male screw part used in the first embodiment is omitted. Consequently, the internal periphery of the cylindrical part 48 included in the locking ring 46 has a circular shape, and the female screw used in the first embodiment is omitted. The internal diameter of the cylindrical part 48 is greater than the external diameter of the holding part 35.
    Furthermore, the actuating element 41 includes a cylindrical sandwich skirt 44. The sandwich skirt 44 is formed integrally with the sealing part 42. The sandwich skirt 44 projects from the opposite side of the inward pushing portion 43 when the sealing portion 42 is a boundary, forming a portion of maximum diameter of the actuating member 41. The sandwich skirt 44 is added to the outer periphery of the holding part 35. Consequently, the actuating element 41 is created to cover the holding part 35 and the bearing part 36 in a state where its internal surface comes into contact with the external periphery of the part of holding 35, the bearing surface 35a of the holding part 35 and the external periphery of the bearing part 36.
    The cylindrical part 48 of the locking ring 46 is arranged around the holding part 35 in a pressed state in the external periphery of the sandwich skirt 44. The sandwich skirt 44 is pinched in a compressed state in the direction of the thickness of the part between the holding part 35 and the cylindrical part 48. Consequently, the actuating element 41 is attached to the holding part 35 and the actuating button by pushing towards interior 31 is assembled. In accordance with the assembly, the sealing part 42 of the actuating element 41 is held in a sandwich state between the bearing surface 35a and the clamping part 47 coming into contact with the sealing part 42 in the thickness direction in a compressed state.
    Structures of the fourth embodiment other than the structure explained above are the same as the wristwatch 11 of the first embodiment including structures not shown in FIGS. 6 and 7.
    Consequently, in the fourth embodiment also, it is possible to create the wristwatch 11 which can improve the tightness of the actuation button by pushing inwards 31 with a simple structure in accordance with the reasons explained for the first embodiment. In addition, in the fourth embodiment, the sandwich skirt 44 sandwiched between the holding part 35 and the cylindrical part 48 in a compressed state and connected to the sealing part 42 fulfills the sealing function. As a result, as a long waterproof distance in the inward push actuation button 31 can be guaranteed, the sealing ability can be further improved.
    In addition, even when a rotating force is added to the blocking ring 46 pressed into the outer periphery of the sandwich skirt 44 in the fourth embodiment, the blocking ring 46 is difficult to turn incorrectly. Consequently, the structure is suitable for maintaining the sealing capacity of the joint part including the sealing part 42.
    CH 707 633 B1 In addition, since the attachment of the actuating element 31 to the external housing 12 is achieved by pressing the cylindrical part 48 of the locking ring 46 in the external periphery of the sandwich skirt 44 of the actuating element 41 added to the external periphery of the holding part 35, it is not necessary to form a screw part in the holding part 35 and in the cylindrical part 48. Consequently, manufacturing costs with respect to the holding part 35 and the cylindrical part 48 are reduced, which can contribute to the overall reduction in costs.
    In the respective embodiments above, the shapes of the bearing surface, of the sealing part and of the pressing part are the annular shape with the external circular periphery, however the present invention does is not limited to the above and, for example, the shape of the outer periphery can be a square shape or a polygonal shape.
    权利要求:
    Claims (19)
    [1]
    claims
    1. Portable device comprising:
    an outer casing (12) including a holding portion (35) in which a bearing surface (35a) is formed; an actuating element (41) including a sealing part (42) to be placed on the bearing surface (35a) and an inward pushing part (43) connected in one piece to the part d sealing (42), and being made of a material which has a sealing capacity and which is flexible so that the actuating element (41) is capable of transmitting an actuation by pushing inwards effected from the exterior of the external envelope (12); and a locking ring (46) including a clamping part (47) delimiting an opening traversed by the inward pushing part (43) and being in contact with the sealing part (42), and a cylindrical part (48) connected in one piece to the clamping part (47) and arranged around the holding part (35) to attach the actuating element (41) to the outer casing (12), the locking ring (46) holding the actuating element (41) in a state attached to the outer casing (12) so that the clamping part (47) and the bearing surface (35a) surround the part sealing (42) by compressing this sealing part (42) in the direction of its thickness.
    [2]
    2. Portable device according to claim 1, in which the outer casing (12) includes a through hole passing through the center of the holding part (35), and a push rod (51) is inserted in the through hole and can being pushed into the outer casing (12) by the inward pushing part (43) covering the pushing rod (51).
    [3]
    The portable device according to claim 1, wherein the holding part (35) includes a male screw part (35b) at its outer periphery and the cylindrical part (48) includes a female screw part (48a) at its periphery internal, and the actuating element (41) is attached to the external casing (12) by screwing the male screw part (35b) into the female screw part (48a).
    [4]
    4. Portable device according to claim 2, in which the holding part (35) includes a male screw part (35b) at its external periphery and the cylindrical part (48) includes a female screw part (48a) at its periphery internal, and the actuating element (41) is attached to the external casing (12) by screwing the male screw part (35b) into the female screw part (48a).
    [5]
    5. Portable device according to claim 3, in which, when the cylindrical part (48) is in place on the holding part (35) so that the actuating element (41) is attached to the external envelope ( 12), a space (G) is provided between an external surface (25a) of the external envelope (12) connected perpendicularly to the holding part (35) and an end surface of the cylindrical part (48).
    [6]
    6. Portable device according to claim 4, in which, when the cylindrical part (48) is in place on the holding part (35) so that the actuating element (41) is attached to the external envelope ( 12), a space (G) is provided between an external surface (25a) of the external envelope (12) connected perpendicularly to the holding part (35) and an end surface of the cylindrical part (48).
    [7]
    7. Portable device according to claim 1, wherein the actuating element (41) includes a sandwich skirt (44), cylindrical, which is integral with the sealing part (42), which s extends from this sealing part (42) and which is mounted on the external periphery of the holding part (35), and the actuating element (41) is attached to the external casing (12) by the cylindrical part (48) which is mounted on the external periphery of the sandwich skirt (44) so that the holding part (35) and the cylindrical part (48) compress the sandwich skirt (44) between them, in the direction of its thickness.
    [8]
    8. Portable device according to claim 2, wherein the actuating element (41) includes a sandwich skirt (44), cylindrical, which is integral with the sealing part (42), which s 'extends from this sealing part (42) and which is mounted on the external periphery of the holding part (35), and
    CH 707 633 B1 the actuating element (41) is attached to the external casing (12) by the cylindrical part (48) which is mounted on the external periphery of the sandwich skirt (44) so that the part holding (35) and the cylindrical part (48) compress between them the sandwich skirt (44), in the direction of its thickness.
    [9]
    9. Portable device according to any one of claims 1 to 8, in which the external envelope (12) further includes a cylindrical support part (36) extending from the support surface (35a), perpendicularly to this bearing surface (35a), and carrying from the inside the inward thrust part (43).
    [10]
    10. Portable device according to claim 9 and one of claims 2, 4, 6 and 8, wherein an internal diameter of the holding part (35) is larger than a diameter of the through hole, and the rod thrust (51) includes a head portion (34) guided in an inner peripheral surface of the support portion (36).
    [11]
    11. Portable device according to any one of claims 2 to 8, in which the external envelope (12) includes a shell (21) having a tube mounting hole (32) and a support (33) connected by a integral with the shell (21), and the support (33) includes a tube part (34) inserted in the tube mounting hole (32), in which the through hole is formed, and the holding part (35 ) is formed in the support (33).
    [12]
    12. Portable device according to claim 9, in which the external envelope (12) includes a shell (21) having a tube mounting hole (32) and a support (33) connected in one piece to the shell ( 21), and the holder (33) includes a tube part (34) inserted into the tube mounting hole (32), in which the through hole is formed, and the holding part (35) is formed in the holder (33).
    [13]
    13. Portable device according to claim 10, in which the external envelope (12) includes a shell (21) having a tube mounting hole (32) and a support (33) connected in one piece to the shell ( 21), and the holder (33) includes a tube part (34) inserted into the tube mounting hole (32), in which the through hole is formed, and the holding part (35) is formed in the holder (33).
    [14]
    14. Portable device according to any one of claims 1 to 8, this portable device being a portable timepiece.
    [15]
    15. Portable device according to claim 9, this portable device being a portable timepiece.
    [16]
    16. Portable device according to claim 10, this portable device being a portable timepiece.
    [17]
    17. Portable device according to claim 11, this portable device being a portable timepiece.
    [18]
    18. Portable device according to claim 12, this portable device being a portable timepiece.
    [19]
    19. Portable device according to claim 13, this portable device being a portable timepiece.
    CH 707 633 B1
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    同族专利:
    公开号 | 公开日
    US9028134B2|2015-05-12|
    CH707633A2|2014-08-29|
    JP2014160034A|2014-09-04|
    US20140233360A1|2014-08-21|
    CN103995457A|2014-08-20|
    JP6057771B2|2017-01-11|
    CN103995457B|2017-10-24|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    JP2013031364A|JP6057771B2|2013-02-20|2013-02-20|Portable devices and portable watches|
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