• 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:

    公开号:NL2012960A
    申请号:NL2012960
    申请日:2014-06-06
    公开日:2014-12-09
    发明作者:Xiong Luo
    申请人:Phaeton Mfg Llc；
    IPC主号:
    专利说明:

    Sunshade
    The present invention relates to a sunshade for outdoor use, in particular the invention relates to a type of sunshade, the screen plane angle of which is not only arbitrarily adjustable, but which can also be rotated through 360 °.
    Sunshades are commonly used as a type of utensil for outdoor leisure time, widely used in squares, beaches, parks, and gardens to provide people with a pleasant shade.
    With sunshades used today, the position of the screen surface is normally fixed and cannot be adjusted. However, if with a change of the wind direction and the incline of the sunlight the angle of the screen surface can also be adjusted and changed, then a relatively good shadow and wind protection effect can be obtained. To adapt to this need, sunshades with adjustable screen surface are now also described, such as in the Chinese patent "A type of sunscreen with a screen surface adjustment mechanism" under the patent number CN201220168486.6, where there is a housing on the curved arm of the sunscreen and is connected to the mast and the large curved arm of the sunshade, the upper end of the mast and the lower end of the large curved arm being connected to each other by means of the housing. There is a slot in the longitudinal direction on the connection surface of the large bent arm and a synchronous belt is provided in the slot. At the center position of the inside of the said bent arm there is an insertion pin component which effects toothing and positioning with the tooth position of the said synchronous band. One end of the insert pin component is connected to a lever by a steel cable. The push pin component is carried by the lever and released from the synchronous belt, whereby the bent arm is adjusted. However, this adjusting mechanism can only adjust the angle of inclination of the screen surface and cannot cause a 360 ° rotation in a horizontal plane. When changing the angle of the sun's rays, the base of the screen must be moved to move the angle. Therefore, an additional mechanism for rotating the screen surface must be provided to solve this problem.
    However, if a further mechanism for rotating the screen surface is provided, the manufacture will naturally take a long time; not only are the design tools complex, but the manufacturing costs are also rising.
    In order to solve the above technical problem, the present invention has for its object to provide a sunshade of simple structure and easy operation, the mechanism for adjusting the screen surface and the mechanism for rotating the screen surface being combined in one component, and the This is because the slope of the screen can easily be adjusted.
    To this end, the present invention provides a type of awning, which comprises a screen base, a mast, a curved arm and a screen frame. The upper part of the mentioned screen frame and the upper end of the bent arm are connected to each other. The specified bent arm is installed on the mast. The lower end of the said mast is connected to a top tube mounted on the screen base. The sunshade of the present invention is characterized in that a pivotal mechanism for connecting to the curved arm is located on the upper part of said mast. The mentioned bent arm is installed on the mast by means of the turning mechanism. The lower end thereof is fixedly connected to a crank housing.
    A blocking ring, a positioning block and a handle are successively arranged on the said mast from top to bottom. The specified blocking ring is fixedly mounted on the mast. The mentioned handle is attached to the mast as a sliding and sliding stop. The stated positioning block is rotatably mounted on the blocking ring and the rotation and position determination is effected through the interaction with the handle. A U-shaped mounting fitting is located on the side part of the mast positioning block. The mechanism for adjusting the screen surface is located on the mounting fitting. The mentioned mechanism for adjusting the screen surface is rotatably connected to the crankcase housing by means of an inclined rod.
    In an embodiment variant of the sunshade according to the present invention, the said mast is a hollow round tube. There are a few round boreholes on the mast, which are connected to the blocking ring. The blocking ring is attached to the mast by means of a connecting part. At the lower end of the said blocking ring there is an extension part with a reduced diameter. There is an annular slot on the extension part. In the round cavity at the upper end of the said mast positioning block there is an annular protruding portion that fits the annular slot of the blocking ring. Said mast positioning block is rotatably mounted on the extension part of said blocking ring by the interplay of the annular projecting portion and the annular slot.
    In a further embodiment according to the present invention, the said handle has the structure of a sleeve. Two knurled bolts are fitted to the mast in the transverse direction above and below, which fix the handle and hold it in place. There is a slot corresponding to the knurled bolts on either side of the inner wall of the stated handle. There is a gear ring on the underside of the mast positioning block. There are matching tooth flanks on the upper end of the mentioned handle. A return spring is fitted to the mast mentioned between the two knurled bolts. There is a portion for compensating the return spring on the inner wall of the said handle. The said return spring is supported on the inner wall, as a result of which the handle is always directed upwards and is positioned grippingly on the mast positioning block.
    In yet another variant embodiment of the sunshade according to the present invention, the said mechanism for adjusting the screen surface comprises an adjusting rotary knob, an end cap, a left-hand toothing, a right-hand toothing and a connecting shaft. The left-hand side plate and the right-hand side plate of the stated mounting fitting are always provided with a round bore. The stated end cap is fixed on the left-hand side plate. The specified connecting axis is mounted axially movably in the specified mounting fitting. The left end thereof cooperates with the end cap to limit position; the right end successively traverses the central boreholes of the left-hand toothing and the right-hand toothing as well as the round bore on the right-hand side plate; finally it is connected to the thread of the setting knob. The specified right-hand toothing is attached to the inside of the specified right-hand side plate. The stated left-hand toothing is movably arranged on the mentioned connecting axis. On the corresponding round surfaces of the said left-hand toothing and the right-hand toothing, ring teeth are provided for reciprocal toothing and positioning. Between the said left-hand toothing and the right-hand toothing is a supporting spring, through which the left-hand toothing is always released relative to the right-hand toothing. On the side part of the left-hand toothing mentioned there is provided a connecting part which is connected to one end of the oblique rod. The other end of the mentioned inclined rod is fixedly connected to the crank housing.
    In an improved embodiment variant, a round protruding ring is arranged on the middle part of the inside of the said end cap. There are several through-bores on the outer edge of the stated end cap. The mentioned round projecting ring is inserted into the round bore of the said left-hand side plate. By means of a screw which passes through the said through-hole, the said end cap is attached to the outside of the said left-hand side plate. There are two parallel stop plates in the round projecting ring mentioned. There is a protruding portion on the left-hand end piece of the mentioned connecting shaft to compensate for the said left-hand toothing. There are a pair of parallel planes on the above-mentioned projection that match the aforementioned stop plates. The mentioned connecting shaft is inserted through the projecting part between the stop plates of the said round projecting ring. Due to the action of the setting knob, the left-hand toothing is included to compensate for the positioning with the right-hand toothing.
    In a further embodiment variant, a connecting bar is attached to the rear part of the right-hand toothing mentioned. There is a corresponding vertical bore on the right-hand side plate. The right-hand toothing mentioned is fixedly connected to the right-hand side plate by means of a screw. On the outside of the round drill holes of the right-hand side plate mentioned there is a round projection. The said adjusting knob is arranged on the round projecting portion and is connected to the screw thread on the right-hand end of the connecting shaft which projects through the round projecting portion.
    In yet another embodiment according to the present invention, the said turning mechanism comprises a holder and a mounting block. A C-ring for attaching a holder is fixed in the interior of the round opening at the upper end of the said mast. At the lower end of said holder there is an annular slot matching the C-ring. The lower end of the mentioned holder can be rotated 360 ° in the C-ring. At the upper end of the holder there is a round bore hole adjoining the mounting block. There is a round cavity on the mentioned mounting block, which is provided for the passage of the bent arm.
    Preferably, some guide slots are arranged radially on the outer wall surfaces of said C-ring. Corresponding guide cords are located on the inner wall side in the inner space of the round opening at the upper end of the said mast. On the wall surfaces of the said C-ring and of the mast, connecting through-going boreholes are always provided, which are fixedly connected by rivets.
    In an embodiment according to the present invention there is a hinge for the connection at the upper end of the bent arm. The upper end of the bent arm is mutually connected to the upper part of the screen frame by the hinge.
    In yet a further embodiment variant, the mentioned screen base is a T-shaped screen base. At the upper end of the said mounting tube there is a pair of U-slots radially on either side. The specified knurled bolts mounted on the mast snap into the U-slots. At the bottom of the above-mentioned mounting tube there is a round bore for connection to the T-shaped screen base, which is fixedly connected by means of a screw.
    In comparison with the current technique, the advantages of the present invention are that a blocking ring, a mast positioning block and a handle are provided on the mast. The mechanism for adjusting the screen surface is located on the mast positioning block. The mechanism for adjusting the screen surface is connected by an inclined rod to the crank housing mounted on the lower end of the curved arm to adjust the angle of the screen surface. At the same time, the operation of the blocking ring ensures that the mast positioning block can only be rotated with the mast as its axis. Through interaction with the handle, a rotational positioning of the mast positioning block is achieved. This causes a 360 ° rotation of the screen surface. With this, the present invention unites the mechanism for adjusting the screen face and the mechanism for rotating the screen face into one component, thereby simplifying the structure and at the same time reducing manufacturing costs. In addition, the operation is simple, since the shadow angle can not only be adjusted continuously, but the shadow position can also be set over 360 °. At the same time it can be supplemented with an asymmetrical screen surface, which also makes the external shape original.
    The present invention will be further elucidated with reference to the non-limitative exemplary embodiments shown in the following figures. Herein: figure 1 shows a schematic view of an embodiment of the invention; figure 2: a partially enlarged representation of the area A of figure 1; figure 3: a partially enlarged representation of the area B of figure 1; figure 4: a schematic view of the 360 ° rotation in the state of the application of figure 1; figure 5: a schematic view of the stepless adjustment of the shadow angle in the state of the application of figure 1; figure 6: an enlarged schematic representation of the area C of figure 5 with the head teeth left and right in the released state; Figure 7 is an enlarged schematic representation of the area C of Figure 5 with the end teeth on the left and right in the state of the tooth; figure 8: a top view of figure 1; figure 9: a schematic section of the area A of figure 1; figure 10: a schematic section of the area A from another direction of figure 1.
    Figures 1 to 8 show an embodiment of a sunshade comprising a screen base 1, an extension tube 2, a mast 3, an inclined rod 4, a crank housing 5, a curved arm 6 and the screen frame 9. The screen base 1 is a T-shaped screen base. At the bottom of the mounting tube 1 there is a round bore hole which is connected to the T-shaped screen base and which is fixedly connected by means of a screw. The mast 3 is a hollow round tube. The lower end of the mast 3 is securely inserted into the mounting tube 2. At the upper end of the mast 3 there is a turning mechanism for the connection to the curved arm 6. The curved arm 6 is installed on the mast by the turning mechanism. The upper end of the bent arm 6 is connected to a hinge 8. The bent arm 6 is hingedly connected by the hinge 8 to the upper part of the screen frame 9. The lower end of the bent arm 6 is fixedly connected to the crank housing 5. The rotation mechanism mentioned comprises a holder 10 and a mounting block 7. In the inner space of the round opening at the upper end of the mast 3 there is a C-ring 23 for mounting the holder 10. On the outer wall of the C-ring 23, radially single guide slots 23.1 are provided. Corresponding guide cords 3.1 are located on the inner wall of the round opening cavity at the upper end of the mast 3. On the walls of the C-ring 23 and of the mast 3 there are always corresponding through-holes for the connection, which are fixedly connected by open blind rivets with flat round head 25. At the lower end of the holder 10 there is an annular slot 10.1 matching the C-ring 23. The lower end of the holder 10 is rotatable 360 ° in the C-ring 23. At the upper end of the holder 10 there is a round hole 10.2 connecting to the mounting block 7. There is a round cavity in the mounting block 7, which is provided for the passage of the bent arm. Thus, the curved arm 6, rotatable through the round cavity of the mounting block 7, can be rotatably installed on the mast 3.
    On top of the mast 3 a blocking ring 16, a mast positioning block 18 and a handle 20 are arranged successively from top to bottom. The blocking ring 16 is fixedly mounted on the mast 3. The handle 20 is attached to the mast 3 upwards and downwards as a sliding stop. The mast positioning block 18 is rotatably mounted on the blocking ring 16 and a rotation position is brought about by the interaction with the handle 20. On the side part of the mast positioning block 18 there is a U-shaped mounting fitting 18.1. The mechanism for adjusting the screen surface is installed on mounting fitting 18.1. The mechanism for adjusting the screen surface is mutually connected by a sloping rod 4 to the crank housing 5.
    On the mast 3 there are some round drill holes connecting to the blocking ring 16, which are fixedly connected to the mast 3 and the blocking ring 16 by means of open blind rivets with flat round head 17. At the lower end of the blocking ring 16 there is an extension part with a reduced diameter. There is a round slot 16.1 on the extension part. In the round cavity at the upper end of the mast positioning block 18 there is an annular protruding part which fits with the round slot 16.1 of the blocking ring 16. The mast positioning block 18 is rotatably mounted on the extension part of the blocking ring by the interplay of the annular projecting portion and the annular slot 16.1. The handle 20 has the structure of a sleeve. Two knurled bolts 22 are fitted to the mast in the transverse direction above and below, which lock the handle 20 and hold it in place. On both sides of the inner wall of the handle 20 there is a slot, which is suitable for the knurled bolts 22, axially. At the upper end of the mounting tube 2, a pair of U-slots are arranged radially on both sides. The knurled bolts 22 click into the U-slots. At the bottom of the mast positioning block 18 there are ring teeth. At the upper end of the handle 20 there are matching tooth flanks 20.1 and on the mast 3 a return spring 21 is arranged between the two knurled bolts 22. On the inner wall of the handle 20 there is a portion for compensating the return spring 21. The return spring 21 is supported on the inner wall of the handle 20, so that the handle 20 is always directed upwards and is positioned in engagement with the mast positioning block 18. When the screen is to be rotated, the handle 20 is pulled down and thus the tooth flanks 20.1 at the upper end of the handle are detached from the ring teeth at the lower end of the mast positioning block 18. Thus, the mast positioning block 18 can rotate and ground. the purpose of rotating the screen surface is achieved therefrom.
    The mechanism for adjusting the screen surface comprises an adjusting rotary knob 19, an end cap 11, a left-hand toothing 13, a right-hand toothing 15 and a connecting shaft 12. The left-hand side plate and the right-hand side plate of the mounting fitting 18.1 are always of a round borehole to provide. A round projecting ring 11.1 is provided on the middle part of the inside of the end cap 11. At the outer edge of the end cap 11 there are several through-bores. The round projecting ring 11.1 is arranged in the round bore of the left-hand side plate. The end cap 11 is fixed to the outside of the said left-hand side plate by means of a screw which passes through the through-hole. There are two parallel stop plates 11.2 in the round protruding ring 11.1. On the left-hand end piece of the connecting shaft 12 there is a protruding portion 12.1 to compensate for the left-hand toothing 13. On the protruding portion 12.1 there are a pair of parallel planes that match the stop plates 11.2. The left end of the connecting shaft 12 is inserted through the projecting portion 12.1 between the stop plates 11.2 and determines the positional limitation, which causes the connecting shaft 12 to move only in the axial direction. The right end of the connecting shaft 12 successively passes through the central drill holes of the left-hand toothing 13 and the right-hand toothing 15 as well as the round bore of the right-hand side plate; finally it is connected to the thread of the adjusting knob 19. A connecting rod is provided on the rear part of the right-hand toothing. A corresponding vertical borehole is located on the right-hand side plate. The right-hand toothing 15 is fixedly connected to the right-hand side plate by means of a screw. The left-hand toothing 13 is movably mounted on the connecting shaft 12. The ring teeth 13.1 and 15.1 for reciprocal teeth and position determination are arranged on the corresponding round surfaces on the left-hand toothing 13 and the right-hand toothing 15 on the corresponding round surfaces. Between the left-hand toothing 13 and the right-hand toothing 15 there is a spring 15 supported thereon, whereby the left-hand toothing 13 is always loosened relative to the right-hand toothing 15. Thus, the position of the left-hand toothing 13 is set by the adjusting knob 19. As Figs. 6 and 7 show, a connecting part is provided on the side part of the left-hand toothing 13 which is connected to one end of the oblique rod 4. At the other end of the inclined rod 4 there is a connecting bore hole which is connected to the crankcase housing by means of a screw. On the outside of the round bore of the right-hand side plate there is a round protruding part. The adjusting knob 19 is arranged on the round projecting portion and is connected to the screw thread on the right-hand end of the connecting shaft 12 which projects through the round projecting portion.
    In use, the user's right hand holds the handle 20 and pulls it down. The ring teeth 20.1 on the handle 20 are detached from the ring teeth on the mast positioning block. The user's left hand holds the crank housing 5 and rotates left and right, thereby adjusting the position of the screen surface. After releasing the right hand, the handle 20 is brought into the starting position under the action of the spring 21. If the ring teeth of both interlock, the position can be determined. If the right hand turns the connection rotary knob 19 counterclockwise, the connection axis 12 is moved axially to the left by the action of the thread. Under the action of the spring 14, the left-hand toothing 13 is moved to the left in the axis direction of the connecting shaft 12. The ring teeth 13.1 and 15.1 of the left-hand toothing 13 and the right-hand toothing 15 are detached from each other. The left hand holds the crank housing 5 and moves it forwards and backwards. The right hand turns the connection rotary knob 19 clockwise. Due to the action of the thread, the connecting shaft 12 is moved axially to the right. The left-hand toothing 13 is moved axially to the right by the action of the connecting shaft 12 along the connecting shaft 12. The ring teeth 13.1 and 15.1 of the left-hand toothing 13 and the right-hand toothing 15 interlock and thus the position can be determined. Operation is simple and easy.
    权利要求:
    Claims (10)
    [1]
    A sunshade, comprising a screen base, a mast, a curved arm and a screen frame, wherein: the upper part of the screen frame is connected to the upper end of the curved arm; the bent arm is installed on the mast; and the lower end of the mast is connected to the mounting tube mounted on the shielding base, characterized in that there is a rotation mechanism on the upper part of the mast for the connection to the bent arm, the bent arm by means of the rotary mechanism on the mast is installed and the lower end of the curved arm is fixedly connected to a crank housing, the sunshade being further characterized by successively a blocking ring, a mast positioning block and a handle on the mast, wherein: the blocking ring is fixed mounted on the mast; the handle is mounted on the mast as an up and down sliding stop; the mast positioning block is rotatably mounted on the blocking ring and the rotation positioning is brought about by the interaction with the handle; a U-shaped mounting fitting is located on the side part of the mast positioning block; the mechanism for adjusting the screen surface is located on the mounting fitting; and the mechanism for adjusting the screen surface is rotatably connected to the crank housing by an inclined rod.
    [2]
    A sunshade according to claim 1, characterized in that the mast is a hollow round tube, wherein: there are some round drill holes on the mast that are connected to the blocking ring; the blocking ring is attached to the mast by means of a connecting part; an extension part with a reduced diameter is arranged at the lower end of the blocking ring; on the extension part it has an annular slot. in the round cavity at the upper end of the mast positioning block there is an annular protruding portion that fits with the annular slot of the blocking ring; and the mast positioning block is rotatably mounted on the extension part of the blocking ring by the interplay of the annular projecting portion and the annular slot.
    [3]
    A sunshade according to claim 2, characterized in that the handle has the structure of a sleeve, wherein: on the mast in the transverse direction above and below are two knurled bolts that fix the handle and hold it in place; on both sides of the inner wall of the handle there is axially a slot corresponding to the knurled bolts; ring teeth are located on the underside of the mast positioning block; there are matching tooth flanks at the upper end of the handle; a return spring is provided on the mast between the two knurled bolts; a portion is provided on the inner wall of the handle to compensate for the return spring; and the return spring is supported on the inner wall, whereby the handle is always directed upwards and is positioned in engagement with the mast positioning block.
    [4]
    A sunshade according to claim 1, characterized in that the mechanism for adjusting the screen surface comprises an adjustment rotary knob, an end cap, a left-hand toothing, a right-hand toothing and a connecting shaft, wherein: the left-hand side plate and right-hand side plate of the mounting fitting always be provided with a round borehole; the end cap is fixed on the left-hand side plate; the connecting shaft is arranged axially movably in the mounting fitting and the left end thereof cooperates with the end cap to limit position; the right-hand end is successively passed through the central boreholes of the left-hand toothing and the right-hand toothing is connected, as well as through the round bore on the right-hand side plate and further to the thread of the adjusting knob; the right-hand toothing is attached to the inside of the right-hand side plate; the right-hand toothing is movably arranged on the connecting shaft; the left-hand teeth and the right-hand teeth on the corresponding round surfaces have ring teeth for reciprocal teeth and positioning; between the left-hand teeth and the right-hand teeth there is a spring supported thereon, whereby the left-hand teeth are always loosened relative to the right-hand teeth; a connecting part is provided on the side part of the left-hand toothing which is connected to one end of the oblique rod; and the other end of the inclined rod is rigidly connected to the crank housing.
    [5]
    A sunshade according to claim 4, characterized in that a round protruding ring is arranged on the middle part of the inside of the end cap, wherein: there are several through-bores on the outer edge of the end cap; the round protruding ring is inserted into the round bore of the left-hand side plate; the end cap is fixed on the outside of the left-hand side plate by means of a screw which passes through the through-hole; there are two parallel stop plates in the round projecting rings; there is a protruding part on the left end piece of the connecting shaft to compensate for the left-hand toothing; there are a pair of parallel planes on the projecting portion that match the stop plates; the connecting shaft is inserted through the protruding part between the stop plates of the round protruding ring; and by the action of the adjusting knob the left-hand toothing is taken along to compensate for the position with the right-hand toothing.
    [6]
    A sunshade according to claim 5, characterized in that a connecting rod is attached to the rear part of the right-hand toothing, wherein: a corresponding vertical borehole is located on the right-hand side plate; the right-hand toothing is fixedly connected to the right-hand side plate by means of a screw; there is a circular projection on the outside of the round bore of the right-hand side plate; and the adjusting knob is mounted on the round projecting portion and is connected to the thread on the right end of the connecting shaft which projects through the round projecting portion.
    [7]
    A sunshade according to claim 1, characterized in that the rotating mechanism comprises a holder and a mounting block, wherein: a C-ring for mounting a holder is fixed in the inner space of the round opening at the upper end of the mast ; at the lower end of the holder there is an annular slot matching the C ring; the lower end of the holder can be rotated 360 ° in the C-ring; there is a round borehole connected to the mounting block at the upper end of the holder; and there is a round cavity on the mounting block which is provided for the passage of the bent arm.
    [8]
    A sunshade according to claim 7, characterized in that radially some guide slots are arranged on the outer wall surface of the C-ring, wherein: on the inner wall side in the inner space of the round opening at the upper end of the mast there are corresponding guide cords; and through-drilled through holes are provided on the wall face of the C-ring and of the mast, which are fixedly connected by rivets.
    [9]
    A sunshade according to any one of the preceding claims, characterized in that a hinge is located in front of the connection at the upper end of the bent arm, the upper end of the bent arm being connected by the hinge to the upper part of the screen frame.
    [10]
    10. A sunshade according to any one of claims 3-8, characterized in that the screen base is a T-shaped screen base, wherein: a pair of U-slots are located radially on both sides at the upper end of the mounting tube; snap the knurled bolts mounted on the mast into the U-slots; and on the underside of the mounting tube there is a round bore for connection to the T-shaped screen base, which is fixedly connected by means of a screw.
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    同族专利:
    公开号 | 公开日
    CN203369482U|2014-01-01|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CN201320333165|2013-06-08|
    CN201320333165.1U|CN203369482U|2013-06-08|2013-06-08|Sunshade umbrella|
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