• 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:
    The invention relates to a control device (1) for a timepiece, comprising: - a control rod (3) arranged to be manipulated by a user in rotation; - A pinion (7) mounted on the rod (3) and arranged to be pivotally driven by a rotation of the latter; A selection flip-flop (13) arranged to cinematically link said pinion (7) selectively with one of a plurality of gears (17; 19) that includes said timepiece; said pinion (7) comprising a worm.
    公开号:CH713654A1
    申请号:CH00418/17
    申请日:2017-03-29
    公开日:2018-10-15
    发明作者:Parquet Gilles；Grivet Fabien；Brechbühl Jérémy；Belo Vasco；Bruno Herrera；Chervet Bernard
    申请人:Richemont Int Sa；
    IPC主号:
    专利说明:

    Description TECHNICAL FIELD [0001] The present invention relates to the field of watchmaking. It relates, more particularly, to a control device arranged to control at least two functions of a movement of a timepiece.
    State of the art [0002] The document CH 5171 describes a device for winding and setting the time to rocking. In this device, a rocker carrying a pair of references is pivoted on the frame and, depending on its angular position, kinematically connects either a time setting device or a winding device, with a pinion slidably mounted on a winding stem. This pinion meshes permanently with an intermediate wheel which is kinematically linked with each of the abovementioned references. The angular position of the rocker is controlled by a lever whose one end engages with a groove that includes the winding stem, and the other end interacts with the rocker.
    However, this mechanism has a significant thickness, since the rocker and the intermediate wheel are inevitably superimposed on the rod and the aforementioned pinion. Therefore, such a mechanism is not suitable for ultra-flat movement, in which it is essential to reduce the thickness of each element of the movement as much as possible.
    The object of the invention is therefore to provide a control device which can have a minimum thickness.
    Disclosure of the invention [0005] More specifically, the invention relates to a control device for a timepiece, which comprises a control rod arranged to be manipulated by a user at least in rotation and possibly also in axial translation. , a pinion mounted on the rod and arranged to be pivotally driven by a rotation thereof, and a selection rocker arranged to establish a selective kinematic connection between the pinion (and therefore Sa rod) and one of a plurality of gears. These gears are typically each associated with a mechanism of the timepiece, in order to selectively control a corresponding function. As mechanisms, there may be mentioned here as examples a time setting device, a date corrector, moon phase or the like, a winding device, or any other mechanism related to a function.
    According to the invention, said pinion takes the form of a worm. By using a worm gear, the thickness of the device can be reduced, since the pinion can directly drive a toothed mobile which is in the same plane as the axis of rotation of said pinion instead of being superimposed. The device can thus be made particularly compact, and particularly thin, considered in a direction perpendicular to the plane of movement in which the control device is intended to be integrated. Although the use of the term "pinion" to indicate a rotary member comprising a worm is not usual, its use is appropriate in the present context since the worm takes the place of a usual sliding pinion, and resumes its function of rotation transmitter from the rod towards the mechanisms of the movement.
    Advantageously, the selection lever carries an intermediate mobile arranged so that it can mesh selectively with each of said gears. The use of a single mobile intermediate to make the selective clutch with either one of the gears reduces the number of components, and makes the device particularly compact.
    Advantageously, said pinion is in permanent kinematic connection (typically indirectly), with said intermediate mobile, which is a simple and compact solution, free of pull tab system.
    Advantageously, said intermediate mobile and / or said selection flip-flop is, in each of its positions, entirely on one side of said rod (considered in the plane of the device, that is to say parallel to the plane). some movement). These arrangements also each contribute to ensure that the device is compact since no overlap of the intermediate mobile and / or the rocker with the rod is necessary.
    Alternatively, said selection flip-flop may be arranged to cooperate with a cladding element of said timepiece, such as a pusher, a bolt, a bezel, a crown or the like, to determine its angular position.
    In another advantageous variant, the control device further comprises a control lever arranged to control the angular position of said selection lever according to the axial position of said rod, said control lever and said selector lever. being pivoted on a frame member on the same side of said rod. This arrangement again avoids an overlap of the main body of the control lever and / or the selection lever with the rod, and ensures that the device can be compact and simple.
    Advantageously, said selection flip-flop and said control lever are at least partially superimposed, which is also used to make the device compact.
    Advantageously, the control lever comprises a pad arranged to cooperate with the selection flip-flop to control the switchover, which is a simple solution to perform the interaction between these two components.
    The invention also relates to a watch movement comprising a control device as defined above, as well as a timepiece comprising such a movement.
    BRIEF DESCRIPTION OF THE DRAWINGS Further details of the invention will appear more clearly on reading the description which follows, made with reference to the appended drawings in which:
    Fig. 1 is an exploded perspective view of a control device according to the invention;
    Fig. 2 is a perspective view of the device of FIG. 1, in assembled condition;
    Fig. 3 is a view similar to that of FIG. 2, a return wheel having been removed;
    Fig. 4 is a top view of the device of FIG. 1 in a first state, said return wheel having also been removed;
    Fig. 5 is a view similar to that of FIG. 4, the device being in a second state;
    Fig. 6 is a view similar to that of FIG. 4, the device being in a third state;
    Fig. 7 comprises two opposite views of the control rocker and the mobile it carries; and
    Fig. 8 is a view similar to that of FIG. 4, which shows another variant of a device according to the invention.
    Embodiment of the Invention [0016] FIGS. 1 to 3 illustrate a control device 1 according to the invention. It should be noted that, in order not to weigh down the figures, certain reference signs have been omitted from certain figures.
    This device comprises a control rod 3 slidably mounted in a frame member 5 that includes the movement of the timepiece in which the control device 1 is integrated. The rod 3 can translate axially between extreme limits, and can be rotated about its longitudinal axis by actions on the part of the user.
    The rod 3 has a non-circular section 3a, which is typically square but which can of course take other forms such as fluted, ovoid, or the like. On this section 3a is slidably mounted a pinion 7, which is a rotary member having the shape of a worm. This pinion shape has a reduced thickness compared to a conventional pinion, and allows to transmit a rotation in a plane in which the rod is located.
    The pinion 7 is prevented from moving axially by a flange 7a, which takes place in a corresponding seat 7b provided in the frame member 5. Other arrangements that prevent such a displacement are also possible, without which it is necessary to detail them here. Since said pinion 7 is substantially prevented from moving in translation, it meshes permanently with a first return 9 pivoted on the frame member 5.
    The first reference 9 meshes permanently with a second reference 11, consisting of a pinion 11a and a wheel 11b which are coaxial and integral in rotation with each other. The axis of rotation of the second reference 11 is coincident with the axis of rotation of a selection lever 13, the pinion of the pinion 11a taking place in an opening 13a of the lever 13 to also constitute the axis of rotation of the the lever 13. In order to improve the gearing between the links 9, 11 and the pinion 7, said references 9, 11 may have helical gears in order to better interact with the worm constituting the pinion 7, and thus reduce the gear set between these components. Since the pinion 7 is shaped so that it can directly drive the return 9, which is in the same plane as the pinion 7, any overlapping of toothed members is avoided, and the thickness of the device 1 can thus be scaled down. Of course, other reference arrangements are also possible, and that described here should not be considered as being limiting. The pivot axis of the selection lever 13 is shifted with respect to the geometric axis of the rod 3, which prevents said latch 13 is at least partially superimposed on a portion of the rod 3. Indeed, it is thus possible to arrange said latch 13 so that it is located entirely on one side a lateral axis passing along the longitudinal axis of the rod 3 (considered in the plane of the device 1). The thickness of the device 1 can thus be reduced to a minimum.
    The flip-flop 13 carries an intermediate mobile 15, which consists of a pinion 15a which meshes with the wheel 11b of the second reference, and which is integral in rotation with a wheel 15b. The latter serves as a clutch for controlling at least two gears 17, 19 associated with mechanisms belonging to the movement. In the illustrated embodiment, a single intermediate mobile 15 is present, arranged to cooperate with the two gears 17,19. However, in a less compact variant in the plane of movement, it is possible to provide two intermediate mobiles, one for each gear 17, 19, as is the case in the document CH 5171.
    On either side of the intermediate mobile 15 are a mobile of each gear 17, 19, each being pivoted on the frame, the intermediate mobile 15 meshing with either one or with the other of these mobile according to the angular position of the latch 13. Either one or the other of these gears is thus in kinematic connection with the correction rod 3, so that a rotation of the latter is communicated to the gear selected to order it. In the illustrated embodiment, the first gear 17 is kinematically connected to a winding system (not shown), and the second gear 19 is kinematically connected to a time setting device. However, the reverse arrangement is also possible, and it is also possible to drive any corrector from each of the gears 17, 19, each corrector serving to control any other functions of the motion to which the controller 1 is associated. Moreover, the mobile acting second gear 19 may itself be a ratchet wheel of a barrel, or perhaps in kinematic connection with such a wheel. The presence of yet other gears is not excluded.
    In order to control the angular position of the selection lever 13, the latter is superimposed on a control lever 21, located partially sandwiched between the selection lever 13 and the frame member 5. This control lever 21 is rotated on the frame member 5 about an axis which is offset from that of the selection lever 13 and is on the same side of the rod as the latter. The distal end of the control lever 21 comprises a finger 21a which takes place in a circumferential groove 3b that includes the rod 3. By moving the rod 3 axially, the control lever 21 is thus rotated. The finger 21a is in lateral projection of a board 21c, which represents an extension of the lower part of the lever 21, and which slides on the frame element 5. This particular form contributes to the mechanical strength of the finger 21a, and serves to increase its support surface on the frame. However, a conventionally shaped finger is also possible. The fact that the pivot axes of the selection lever 13 and the control lever 21 are on the same side of the rod 3, considered in the plane of the frame 5, makes the device 1 particularly compact, and avoids having to have components superimposed on the pinion 7.
    The control lever 21 comprises a plurality of stable angular positions, which are defined by a jumper 23 in known manner, the interaction between the control lever 21 and the selection lever 13 is at a pad 21b, which extends perpendicularly to the plane of the lever 21, and can bear against the flank of a finger 13b that comprises the selection lever 13. Moreover, this stud 21b rests against a spring 13c which extends the along a groove 13d provided in the lower face (that is to say the face which is opposite the frame member 5, see FIG 7) of the selection lever 13 and which s' press against the stud 21b so as to exert a force tending to bring the selection flip-flop 13 into contact with the stud 21b.
    Finally, the selection flip-flop 13 comprises a lug 13d located at the opposite end to that of the finger 13b. This lug 13d is located between two stops 25a carried by a bridge 25, and in a groove 25d defined between an upper portion 25b and a lower portion 25c of said bridge 25.
    The operation of the selection flip-flop 13 will now be described, in particular in connection with FIGS. 4-6, which illustrate the operating sequence of the control device 1, as well as FIG. 7, which illustrates in detail the construction of the selection flip-flop 13.
    Fig. 4 illustrates the control device 1 in a first state, in which the selection flip-flop 13 is in its rest position. In this state, the intermediate mobile 15 meshes with the first gear 17, and the rod 3 is locked in rotation by ad hoc means not shown. Furthermore, it is noted that the rod 3 is pushed fully towards the pinion 7, and its stud 21b is away from the finger 13b. Therefore, the spring 13c keeps the intermediate gear 15 engaged with the first gear 17. This state can be used to facilitate the dressing of the movement, or to provide the user with a position of the rod 3 in which the latter is locked in position. rotation. Alternatively, this position of the rod 3 can be omitted according to the needs of the manufacturer.
    Now pulling the rod 3 at the rate of one step outwards, we arrive at the arrangement of components shown in FIG. 5. In doing so, the rotation of the rod 3 is unlocked, and the groove 3b moves the finger 21a at the rate of one step outwards, a notch formed between two spouts of the jumper 23 ensuring the proper positioning of the lever. 21. The stud 21b is now in contact with the finger 13b, but the position of the selection rocker 13 remains unchanged, since the spring 13c is still used to maintain it in position. The intermediate mobile 15 always meshes with the first gear 17, and a rotation of the rod 3 drives the latter. The second gear remains disengaged.
    By pulling the rod 3 another step towards the outside, we arrive at the position of the components shown in FIG. 6. The finger 21a has been driven one more step outwards, and its stud 21b has driven the selection flip-flop 13 clockwise. In doing so, the intermediate wheel 15 moves away from the first wheel 17, and now meshes with the second wheel 19. Consequently, the latter is now in kinematic connection with the rod 3, and a pivoting of the latter drives the second wheel in rotation.
    By pushing the rod 3 in the direction of movement, the control lever 21 is returned to the position of FIG. 5, and the selection flip-flop 13 returns to the position shown in the same figure under the control of the spring 13c. The rod is thus brought into kinematic connection with the first gear 17.
    FIG. 8 illustrates another variant of the control device 1, which is free of control lever 21. The position of the selection lever 13 is determined by a dressing element of the timepiece such as a pusher 21, which acts on the finger 13b of the selection rocker 13, or alternatively on another part of the latter. Alternatively, this covering element may be a crown, a rotating bezel, a bolt, a lever or the like.
    In the rest position of the selection lever 13, the spring 13c rests against a stud 29 secured to the frame, which maintains the intermediate mobile 15 in kinematic connection with the second gear 19. A pressure on the pusher 27 rotates the selection lever 13 in the counterclockwise direction, which has the effect that the intermediate mobile disengages the second gear 19 and engages with the first gear. The rod 3, which must not be able to slide axially in this embodiment, is thus kinematically connected to the first gear 17. By releasing the pusher 27, the selection lever pivots clockwise under the effect of the spring. 13c and restores a kinematic connection between the rod 3 and the second gear 19.
    In view of the foregoing, it is clear that the control device 1 according to the invention is particularly compact, especially in its thickness (that is to say in a direction perpendicular to its main plane). Its integration into an ultra-thin watch is thus facilitated.
    Although the invention has been particularly shown and described with reference to a particular embodiment, other variants are possible without departing from the scope of the invention as defined in the claims.
    1. Control device (1) for a timepiece, comprising: - a control rod (3) arranged to be manipulated by a user in rotation; - A pinion (7) mounted on the rod (3) and arranged to be pivotally driven by a rotation of the latter; a selection flip-flop (13) arranged to cinematically link said pinion (7) selectively with one of a plurality of gears (17; 19) that includes said timepiece; and characterized in that said pinion (7) comprises a worm. 2. Control device (1) according to the preceding claim, comprising an intermediate mobile (15) pivoted on said flip-flop (13) so that it can mesh selectively with each of said gears (17, 19). 3. Control device (1) according to the preceding claim, wherein said pinion (7) is in permanent kinematic connection with said intermediate mobile (15). 4. Control device (1) according to one of claims 2 and 3, wherein said intermediate mobile (15) is located entirely on one side of said rod (3), considered in the plane of said piece. 5. Control device (1) according to one of the preceding claims, wherein said flip-flop (13) is located entirely on one side of said rod (3), considered in the plane of said piece. 6. Control device (1) according to one of the preceding claims, wherein said flip-flop (13) is arranged to cooperate with a trim element (27) of said timepiece to determine its angular position . 7. Control device (1) according to one of the preceding claims, further comprising a control lever (21) arranged to control the angular position of said selection lever (13) according to the axial position of said rod ( 3), said control lever (21) and said selection lever (13) being pivoted on a frame member (5) on the same side of said rod (3), considered in the plane of said piece. 8. Control device (1) according to claim 7, wherein said selection flip-flop (13) and said control lever (21) are at least partially superimposed. 9. Control device (1) according to one of claims 7 and 8, wherein said control lever comprises a pad (21b) arranged to cooperate with said flip-flop (13) to control tilt. 10. Watchmaking movement comprising a control device (1) according to one of the preceding claims. 11. Timepiece comprising a movement according to the preceding claim.
    权利要求:
    Claims (11)
    [1]
    By pushing the rod 3 in the direction of movement, the control lever 21 is returned to the position of FIG. 5, and the selection flip-flop 13 returns to the position shown in the same figure under the control of the spring 13c. The rod is thus brought into kinematic connection with the first gear 17. FIG. 8 illustrates another variant of the control device 1, which is free of control lever 21. The position of the selection lever 13 is determined by a dressing element of the timepiece such as a pusher 21, which acts on the finger 13b of the selection rocker 13, or alternatively on another part of the latter. Alternatively, this covering element may be a crown, a rotating bezel, a bolt, a lever or the like. In the rest position of the selection lever 13, the spring 13c rests against a stud 29 secured to the frame, which maintains the intermediate mobile 15 in kinematic connection with the second gear 19. A pressure on the pusher 27 rotates the selection lever 13 in the counterclockwise direction, which has the effect that the intermediate mobile disengages the second gear 19 and engages with the first gear. The rod 3, which must not be able to slide axially in this embodiment, is thus kinematically connected to the first gear 17. By releasing the pusher 27, the selection lever pivots clockwise under the effect of the spring. 13c and restores a kinematic connection between the rod 3 and the second gear 19. In view of the foregoing, it is clear that the control device 1 according to the invention is particularly compact, especially in its thickness (c '). that is to say in a direction perpendicular to its main plane). Its integration into an ultra-thin watch is thus facilitated. Although the invention has been particularly shown and described with reference to a particular embodiment, other variants are possible without departing from the scope of the invention as defined in the claims. claims
    1. Control device (1) for a timepiece, comprising: - a control rod (3) arranged to be manipulated by a user in rotation; - A pinion (7) mounted on the rod (3) and arranged to be pivotally driven by a rotation of the latter; a selection flip-flop (13) arranged to cinematically link said pinion (7) selectively with one of a plurality of gears (17; 19) that includes said timepiece; and characterized in that said pinion (7) comprises a worm.
    [2]
    2. Control device (1) according to the preceding claim, comprising an intermediate mobile (15) pivoted on said latch (13) so that it can mesh selectively with each of said gears (17, 19).
    [3]
    3. Control device (1) according to the preceding claim, wherein said pinion (7) is in permanent kinematic connection with said intermediate mobile (15).
    [4]
    4. Control device (1) according to one of claims 2 and 3, wherein said intermediate mobile (15) is located entirely on one side of said rod (3), considered in the plane of said piece.
    [5]
    5. Control device (1) according to one of the preceding claims, wherein said flip-flop (13) is located entirely on one side of said rod (3), considered in the plane of said piece.
    [6]
    6. Control device (1) according to one of the preceding claims, wherein said flip-flop (13) is arranged to cooperate with a trim element (27) of said timepiece to determine its angular position .
    [7]
    7. Control device (1) according to one of the preceding claims, further comprising a control lever (21) arranged to control the angular position of said selection lever (13) according to the axial position of said rod ( 3), said control lever (21) and said selection lever (13) being pivoted on a frame member (5) on the same side of said rod (3), considered in the plane of said piece.
    [8]
    8. Control device (1) according to claim 7, wherein said selection flip-flop (13) and said control lever (21) are at least partially superimposed.
    [9]
    9. Control device (1) according to one of claims 7 and 8, wherein said control lever comprises a pad (21b) arranged to cooperate with said flip-flop (13) to control tilt.
    [10]
    10. Watchmaking movement comprising a control device (1) according to one of the preceding claims.
    [11]
    11. Timepiece comprising a movement according to the preceding claim.
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    同族专利:
    公开号 | 公开日
    CH713654B1|2020-12-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    CH705391A2|2011-08-17|2013-02-28|Eta Sa Mft Horlogere Suisse|Winding mechanism for recharging battery power to part or movement of timepiece e.g. wrist watch, has winding stem returned to initial position by spring when winding drive unit is driven in translation under effect of pressure of user|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH00418/17A|CH713654B1|2017-03-29|2017-03-29|Control device for a timepiece.|CH00418/17A| CH713654B1|2017-03-29|2017-03-29|Control device for a timepiece.|
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