Zipper puller with improved structure

Abstract

The utility model relates to the technical field of zippers. The zipper puller with the improved structure comprises a connecting base, an upper plate is arranged at the top of the connecting base, a lower plate is arranged at the bottom of the connecting base, a V-shaped locking rod is hinged to the upper plate, and a brake claw is arranged at the end, away from a guide column, of the locking rod. A first spring is arranged at the end, close to the connecting base, of the locking rod, a movable cavity is formed in the connecting base, the end, away from the locking rod, of the first spring is connected with the bottom of the movable cavity, a mounting groove is formed in the upper plate, a mounting shaft is rotationally arranged in the mounting groove, and a driving rod is arranged at the top of the mounting shaft. The pull head has the advantages that by arranging the driving rod, the driving block, the connecting rod, the locking rod and the brake claw, on the basis that a pull piece on a traditional pull head is omitted, unlocking and sliding of the pull head can be achieved by directly operating the driving rod with hands, and interference of the pull piece is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of zippers, in particular to a zipper pull head with improved structure. Background Art

[0002] The pull tab can play the roles of pulling the pull head and decoration, so conventional pull heads are all equipped with pull tabs. However, in some occasions, the setting of the pull tab will bring inconvenience to people's use. For example, when exercising or competing, the pull tab shakes, which may hurt people or affect the mood and attention of athletes, etc. At the same time, the setting of the pull tab makes it easy to open the zipper with very little movement just by gently lifting the pull tab during use, which is not conducive to achieving the anti-theft effect. Content of the Utility Model

[0003] In order to overcome the disadvantages that the setting of the pull tab in the prior art brings inconvenience to people's use and is not conducive to achieving anti-theft, the present application provides a zipper pull head with improved structure.

[0004] A zipper pull head with improved structure provided by the present application adopts the following technical solutions:

[0005] A zipper pull head with improved structure includes a connecting seat. An upper plate is arranged at the top of the connecting seat, and a lower plate is arranged at the bottom of the connecting seat. A V-shaped locking rod is hinged at the upper plate. A braking claw is arranged at the end of the locking rod far from the guide post. A first spring is arranged at the end of the locking rod close to the connecting seat. An activity cavity is opened on the connecting seat. The end of the first spring far from the locking rod is connected to the bottom of the activity cavity. An installation groove is opened on the upper plate. An installation shaft is rotatably arranged in the installation groove. A driving rod is arranged at the top of the installation shaft. A driving block is coaxially arranged on the installation shaft. A connecting rod is arranged between the driving block and the locking rod. The connecting rod is slidably arranged on the upper plate. One end of the connecting rod is slidably connected to the end of the locking rod close to the guide post, and the other end is slidably connected to the driving block.

[0006] By adopting the above technical solutions, when the staff rotates the driving rod, the driving block will be driven to rotate during the rotation of the driving rod. The connecting rod will be pushed to move during the rotation of the driving block. The end of the locking rod far from the braking claw will be pushed during the movement of the connecting rod, so that the first spring is compressed, and then the end of the locking rod close to the braking claw will tilt up, so that the braking claw is away from the zipper. At this time, the staff can pull the pull head. When the staff pulls the pull head to the designated position, the driving rod is rotated towards the position close to the middle of the upper plate. During the rotation of the driving rod, the driving block will rotate synchronously, and the first spring will be able to push the end of the locking rod far from the braking claw to reset, so that the braking claw presses the zipper to play a fixing role.

[0007] Optionally, a fixing component for fixing itself is provided at one end of the driving rod away from the mounting shaft. The fixing component includes a fixing rod, a fixing cap, and a second spring. The fixing rod is slidably arranged on the driving rod in the vertical direction. The fixing cap is arranged at the top of the fixing rod. The second spring is sleeved on the fixing rod. One end of the second spring is connected to the fixing cap, and the other end is connected to the driving rod. A fixing hole is formed in the upper plate, and the bottom of the fixing rod is inserted into the fixing hole.

[0008] By adopting the above technical solution, when the driving rod is located at the middle position of the upper plate, the braking claw presses the zipper. By providing the fixing component, the driving rod can be fixed, thereby improving the stability of the braking claw during operation.

[0009] Optionally, a sliding groove for facilitating the sliding of the connecting rod is formed in the upper plate. Third springs are arranged on both sides of the connecting rod. One end of the third spring away from the connecting rod is connected to the groove wall of the sliding groove, and the third spring is located at one end of the connecting rod away from the connecting seat.

[0010] By adopting the above technical solution, when the driving block drives the connecting rod to move towards the locking rod, the third spring is compressed. When the end of the driving block rotates to a position away from the connecting rod, the third spring will push the connecting rod to move back to its original position, thereby realizing reset.

[0011] Optionally, a strip-shaped groove is formed in the middle of the upper plate, and the strip-shaped groove penetrates the upper plate. One end of the locking rod away from the connecting seat is located in the strip-shaped groove.

[0012] By adopting the above technical solution, the locking rod is located in the strip-shaped groove, and its upper surface is simple, smooth, and does not affect the appearance of the zipper head.

[0013] Optionally, a limiting block is provided on the upper plate.

[0014] By adopting the above technical solution, when the driving rod contacts the limiting block, it indicates to the staff that the braking claw has disengaged from the zipper, and at this time, the zipper head can be pulled.

[0015] Optionally, an arc-shaped groove for facilitating the rotation of the end of the driving rod is formed in the limiting block.

[0016] By adopting the above technical solution, the end of the driving rod is located in the arc-shaped groove, so that the limiting block does not affect the normal rotation of the driving rod.

[0017] Optionally, a rotating shaft is provided on the locking rod, and both ends of the rotating shaft are rotatably connected to the upper plate.

[0018] By adopting the above technical solution, the locking rod can rotate stably on the upper plate.

[0019] Optionally, the distance from the brake claw to the rotating shaft is greater than the distance from the first spring mounting position to the rotating shaft.

[0020] By adopting the above technical solution, when one end of the locking rod close to the first spring rotates a small distance, the other end of the locking rod can rotate a large distance.

[0021] The utility model has the following advantages:

[0022] 1. By arranging the driving rod, the driving block, the connecting rod, the locking rod and the brake claw, on the basis of canceling the traditional pull tab on the pull head, the unlocking and the sliding of the pull head can be realized by directly operating the driving rod by hand, reducing the interference of the pull tab;

[0023] 2. By arranging the fixing component, the stability of the brake claw during braking can be improved, making the pull head not easy to slide;

[0024] 3. By arranging the limiting block, when the driving rod contacts the limiting block, it indicates to the staff that the brake claw has disengaged from the zipper, so that the staff can pull the zipper head, and the operation is convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of the whole utility model;

[0026] Figure 2 is Figure 1 a sectional view of;

[0027] Figure 3 is a schematic structural diagram of the utility model when the driving rod rotates to a position close to the limiting block;

[0028] Figure 4 is Figure 3 a sectional view of;

[0029] Figure 5 is a schematic installation structure diagram of the third spring;

[0030] In the figure: 1. connecting seat; 11. upper plate; 12. lower plate; 13. locking rod; 14. brake claw; 15. first spring; 16. movable cavity; 2. installation groove; 21. installation shaft; 22. driving rod; 23. driving block; 24. connecting rod; 3. fixing component; 31. fixing rod; 32. fixing cap; 33. second spring; 34. fixing hole; 4. sliding groove; 41. third spring; 42. strip-shaped groove; 43. limiting block; 44. arc-shaped groove; 45. rotating shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] The following further describes the present utility model with reference to the drawings, but the protection scope of the present utility model is not limited to the following.

[0032] As shown Figures 1 to 5 in the figure, a zipper puller with improved structure includes a connecting base 1. An upper plate 11 is installed on the top of the connecting base 1, and a lower plate 12 is installed on the bottom of the connecting base 1. A V-shaped locking rod 13 is hinged at the upper plate 11. A brake claw 14 is installed at the end of the locking rod 13 far from the guide post. The brake claw 14 is used to press the zipper. A first spring 15 is installed at the end of the locking rod 13 close to the connecting base 1. An activity cavity 16 is formed on the connecting base 1. The end of the first spring 15 far from the locking rod 13 is connected to the bottom of the activity cavity 16. An installation groove 2 is formed on the upper plate 11. An installation shaft 21 is rotatably installed in the installation groove 2. A driving rod 22 is installed at the top of the installation shaft 21. A driving block 23 is coaxially installed on the installation shaft 21. In this embodiment, the driving block 23 is in the shape of an "8". A connecting rod 24 is installed between the driving block 23 and the locking rod 13. The connecting rod 24 is slidably installed on the upper plate 11. One end of the connecting rod 24 is slidably connected to the end of the locking rod 13 close to the guide post, and the other end is slidably connected to the driving block 23. When the staff rotates the driving rod 22, the driving rod 22 will drive the driving block 23 to rotate during the rotation process. The driving block 23 will push the connecting rod 24 to move during the rotation process. The connecting rod 24 will push the end of the locking rod 13 far from the brake claw 14 during the movement process, so that the first spring 15 is compressed, and then the end of the locking rod 13 close to the brake claw 14 is lifted, so that the brake claw 14 is away from the zipper. At this time, the staff can pull the puller. When the staff pulls the puller to the designated position, rotate the driving rod 22 towards the position close to the middle of the upper plate 11. During the rotation process of the driving rod 22, the driving block 23 will rotate synchronously, and the first spring 15 will be able to push the end of the locking rod 13 far from the brake claw 14 to reset, so that the brake claw 14 presses the zipper to play a fixing role.

[0033] As shown Figures 1 to 5As shown, a fixing component 3 for fixing itself is installed at one end of the driving rod 22 away from the mounting shaft 21. The fixing component 3 includes a fixing rod 31, a fixing cap 32 and a second spring 33. The fixing rod 31 is slidably installed on the driving rod 22 along the vertical direction. The fixing cap 32 is installed at the top of the fixing rod 31. The second spring 33 is sleeved on the fixing rod 31. One end of the second spring 33 is connected to the fixing cap 32 and the other end is connected to the driving rod 22. A fixing hole 34 is formed in the upper plate 11, and the bottom of the fixing rod 31 is inserted into the fixing hole 34. When the driving rod 22 is located at the middle position of the upper plate 11, the brake claw 14 presses the zipper. By setting the fixing component 3, the driving rod 22 can be fixed, thereby improving the stability of the brake claw 14 during operation. When the staff needs to rotate the driving rod 22, the staff holds the fixing cap 32 and then moves the fixing cap 32 in a direction away from the fixing hole 34. At this time, the second spring 33 is compressed, so that the fixing rod 31 moves away from the fixing hole 34. When the staff rotates the driving rod 22 to the middle position of the upper plate 11, the fixing rod 31 will be inserted into the fixing hole 34 again, thereby fixing the driving rod 22.

[0034] As Figures 1 to 5 shown, a chute 4 for facilitating the sliding of the connecting rod 24 is formed in the upper plate 11. Third springs 41 are installed on both sides of the connecting rod 24. One end of the third spring 41 away from the connecting rod 24 is connected to the groove wall of the chute 4, and the third spring 41 is located at one end of the connecting rod 24 away from the connecting seat 1. When the driving block 23 drives the connecting rod 24 to move towards the locking rod 13, the third spring 41 is compressed. When the end of the driving block 23 rotates to a position away from the connecting rod 24, the third spring 41 will push the connecting rod 24 to move back to its original position, thereby realizing reset.

[0035] As Figures 1 to 5 shown, a strip-shaped groove 42 is formed in the middle of the upper plate 11, and the strip-shaped groove 42 penetrates the upper plate 11. One end of the locking rod 13 away from the connecting seat 1 is located in the strip-shaped groove 42. The upper surface of the locking rod 13 located in the strip-shaped groove 42 is simple and smooth, which does not affect the appearance of the zipper head.

[0036] As Figures 1 to 5 shown, a limiting block 43 is installed on the upper plate 11. The limiting block 43 is located at one end of the upper plate 11 away from the brake claw 14. When the driving rod 22 contacts the limiting block 43, it indicates to the staff that the brake claw 14 has disengaged from the zipper, and at this time, the zipper head can be pulled.

[0037] As Figures 1 to 5 shown, an arc-shaped groove 44 for facilitating the rotation of the end of the driving rod 22 is formed in the limiting block 43. The end of the driving rod 22 is located in the arc-shaped groove 44, so that the limiting block 43 does not affect the normal rotation of the driving rod 22.

[0038] As shown Figures 1 to 5 As shown, a rotating shaft 45 is installed on the locking lever 13, and both ends of the rotating shaft 45 are rotatably connected to the upper plate 11, so that the locking lever 13 can rotate stably on the upper plate 11.

[0039] As shown Figures 1 to 5 As shown, the distance from the brake claw 14 to the rotating shaft 45 is greater than the distance from the installation position of the first spring 15 to the rotating shaft 45; according to the lever principle, when one end of the locking lever 13 close to the first spring 15 rotates a small distance, the other end of the locking lever 13 can rotate a large distance.

[0040] The implementation principle of this embodiment is as follows: The staff rotates the driving lever 22. During the rotation of the driving lever 22, the driving block 23 will be driven to rotate. During the rotation of the driving block 23, the connecting rod 24 will be pushed to move. During the movement of the connecting rod 24, the end of the locking lever 13 away from the brake claw 14 will be pushed, so that the first spring 15 is compressed, and then the end of the locking lever 13 close to the brake claw 14 will tilt up, so that the brake claw 14 is away from the zipper. At this time, the staff can pull the slider.

[0041] The above is only the preferred embodiment of the present invention, and does not impose any form of limitation on the present invention. Any person skilled in the art can make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes, without departing from the scope of the technical solution of the present invention. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention all fall within the protection scope of this technical solution.

Claims

1. A zipper pull with improved structure, characterized in that: The invention comprises a connecting seat (1), wherein an upper plate (11) is arranged on the top of the connecting seat (1), a lower plate (12) is arranged on the bottom of the connecting seat (1), a V-shaped locking rod (13) is hingedly connected to the upper plate (11), a braking claw (14) is arranged on the end of the locking rod (13) away from the guide column, a first spring (15) is arranged on the end of the locking rod (13) close to the connecting seat (1), and an active cavity (16) is provided on the connecting seat (1), and an end of the first spring (15) away from the locking rod (13) is connected to the bottom of the active cavity (16). The upper plate (11) is provided with a mounting groove (2), a mounting shaft (21) is rotatably arranged in the mounting groove (2), a driving rod (22) is arranged at the top of the mounting shaft (21), a driving block (23) is coaxially arranged on the mounting shaft (21), a connecting rod (24) is arranged between the driving block (23) and the locking rod (13), the connecting rod (24) is slidably arranged on the upper plate (11), one end of the connecting rod (24) is slidably connected to one end of the locking rod (13) close to the guide column, and the other end is slidably connected to the driving block (23).

2. A zipper pull with improved structure according to claim 1, characterized in that: A fixing assembly (3) for fixing the driving rod (22) is arranged at one end away from the mounting shaft (21), the fixing assembly (3) comprising a fixing rod (31), a fixing cap (32) and a second spring (33); the fixing rod (31) is slidably arranged on the driving rod (22) along a vertical direction; the fixing cap (32) is arranged on the top of the fixing rod (31); the second spring (33) is sleeved on the fixing rod (31); one end of the second spring (33) is connected to the fixing cap (32) and the other end is connected to the driving rod (22); a fixing hole (34) is opened on the upper plate (11); the bottom of the fixing rod (31) is inserted into the fixing hole (34).

3. A zipper pull with improved structure according to claim 2, characterized in that: The upper plate (11) is provided with a slide groove (4) for facilitating the sliding of the connecting rod (24), and third springs (41) are provided on both sides of the connecting rod (24), and an end of the third spring (41) away from the connecting rod (24) is connected to a groove wall of the slide groove (4), and the third spring (41) is located at an end of the connecting rod (24) away from the connecting seat (1).

4. The zipper pull with improved structure according to claim 1, characterized in that: A strip groove (42) is provided in the middle of the upper plate (11), the strip groove (42) passes through the upper plate (11), and one end of the locking rod (13) away from the connecting seat (1) is located in the strip groove (42).

5. The zipper puller with improved structure according to claim 2, characterized in that: A limit block (43) is provided on the upper plate (11).

6. The zipper puller with improved structure according to claim 5, characterized in that: The limit block (43) is provided with an arc-shaped groove (44) for facilitating the rotation of the end of the driving rod (22).

7. The zipper pull with improved structure according to claim 1, characterized in that: The locking rod (13) is provided with a rotating shaft (45), and both ends of the rotating shaft (45) are respectively rotatably connected to the upper plate (11).

8. The zipper puller with improved structure according to claim 7, characterized in that: The distance between the braking claw (14) and the rotating shaft (45) is greater than the distance between the installation position of the first spring (15) and the rotating shaft (45).

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