Zipper puller

By setting a stop in the zipper pull to limit the flip angle of the zipper tab and using a spring to provide elasticity so that it can automatically reset, the problem of frequent deformation of the spring caused by excessive flip of the zipper tab is solved, thus improving the service life of the zipper pull and the user experience.

CN223845094UActive Publication Date: 2026-01-30ZHEJIANG WEIXING IND DEV
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Patent Information

Application Number
CN202520495258.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-01-30
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

The zipper pull lacks a flip-out limit structure, causing frequent deformation of the spring and reduced lifespan. When the flip-out angle is too large, the pull tab cannot automatically reset, affecting the user experience.

Method used

A stop is set on the pull tab to limit its flipping angle, and a spring is provided to provide elastic force to make the pull tab automatically reset. The pull tab is provided with a first fixing block and a second fixing block on both sides of the pull tab, with the stop block located between them. The stop block abuts against the pull tab to limit the flipping angle, and the spring provides elastic force during the flipping process of the pull tab to restore it to its initial state.

Benefits of technology

It effectively limits the flip angle of the pull tab, avoids deformation of the spring, improves the service life of the spring, and ensures that the pull tab can automatically reset, thus enhancing the user experience.

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Abstract

The utility model discloses a zipper puller, which relates to the technical field of clothing accessories and comprises a zipper pull, a first fixing block and a second fixing block are arranged on two sides of the zipper pull, and the zipper pull is rotatably connected onto a puller body. The stop block is arranged in an area between the opposite surfaces of the two first fixing blocks, and the stop block is provided with a stop surface which abuts against the pull piece; the blocking surface is arranged in a way that when the pull piece rotates and abuts against the blocking surface, the included angle between the pull piece and the end surface of one end of the tail part of the puller body ranges from 90 degrees to 120 degrees; the elastic piece provides elastic force for the pull piece, so that the pull piece can bear the elastic force when rotating to any posture in the process of abutting against the blocking face from the lying posture in the direction of the tail of the pull head body, and the pull piece automatically recovers to the lying posture. The zipper puller solves the technical problems that an upper plate body of an existing self-locking puller is not provided with a limiting device, so that the rotatable range of a pull piece rotating shaft is too large, a pull piece can not automatically rebound and reset, the self-locking puller can not be locked with a zipper, and the zipper is opened due to the fact that the puller automatically slides down.
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Description

TECHNICAL FIELD

[0001] The utility model relates to clothing accessories technical field, especially a zipper puller. BACKGROUND

[0002] The zipper is a kind of auxiliary material for clothing, and it is composed of puller, cloth belt, chain teeth and square plug, etc., and the puller not only affects the opening and closing of the zipper, but also affects the appearance, use convenience, etc.The common puller is divided into many kinds, such as ordinary puller, guide rail head puller, train head puller and spring head puller.

[0003] Among them, the spring head puller includes puller body, spring piece and pull piece, when the pull piece is in the state of drooping, the spring piece is inserted into the puller body and connected with the zipper chain teeth, so as to lock the puller body and the zipper, and the zipper cannot be pulled down, when the user lifts the pull piece, the pull piece rotating shaft rotates and holds the spring piece, the spring piece is separated from the zipper chain teeth, and the puller body can smoothly slide on the zipper to open the zipper, but in the specific use process, the puller body is not provided with pull piece rotation limiting structure, the pull piece is flipped more randomly, which leads to more frequent deformation of the spring piece, reduces the service life of the spring piece, and when the pull piece is flipped at too large angle, the spring piece cannot automatically reset the pull piece, the puller body can freely slide along the zipper to open the zipper, which affects the user experience.

[0004] In summary, it is an urgent problem for the person skilled in the art to develop a zipper puller capable of limiting the flip angle of pull piece. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a zipper puller, which solves the technical problem that the puller body is not provided with pull piece flip limiting structure, leading to frequent deformation of the spring piece, reduction of service life of the spring piece, and too large flip angle of the pull piece, and the spring piece cannot reset the pull piece.

[0006] To achieve the above-mentioned purpose, the utility model provides a zipper puller, which comprises:

[0007] The pull piece is provided with first fixing block and second fixing block on both sides, and the first fixing block and the second fixing block rotatably connect the pull piece to the puller body;

[0008] The stop block is arranged in the region between the opposite faces of the two first fixing blocks, and the stop block is provided with stop surface abutting against the pull piece;

[0009] When the pull piece rotates and abuts against the stop surface, the included angle between the pull piece and the end surface of the tail end of the puller body ranges from 90° to 120°;

[0010] The spring piece provides elastic force for the pull piece, so that the pull piece can be automatically restored to the lying posture in any posture during the rotation from the lying posture to the abutting posture against the stop surface.

[0011] Preferably, the end of the pull-tab extends in the direction of the first fixing block, and the first fixing block and the second fixing block clamp the rotating shaft.

[0012] Preferably, an eccentric shaft is arranged between the two rotating shafts, and the two rotating shafts form a notch at the eccentric shaft. The pull-tab is provided with a mounting hole on the side of the eccentric shaft away from the rotating shaft, and the elastic piece is arranged in the pull-tab and abuts against the side wall of the eccentric shaft.

[0013] Preferably, the rotating shaft is arranged between the first fixing block and the second fixing block, and a rotating groove extending along the axis of the rotating shaft is arranged below the rotating shaft. The bottom of the rotating groove is lower than the end surface of the puller body, and the inner wall of the rotating groove is connected to the stop surface through a concave surface.

[0014] Preferably, the elastic piece is bent to form a fixing plate and a locking plate on both sides of the eccentric shaft. The puller body is provided with a fixing groove and a locking hole on both sides perpendicular to the axis of the rotating shaft. The fixing plate extends into the fixing groove to connect the elastic piece and the puller body, and the locking plate extends into the locking hole and is inserted into the chain teeth. The locking plate locks the position of the puller body.

[0015] Preferably, the width of the stop block, the first fixing block, the second fixing block and the rotating shaft in the vertical direction gradually decreases away from the puller body, and each tapered end is provided with a rounded corner.

[0016] Preferably, the side surface of the stop block, the first fixing block, the second fixing block and the rotating shaft away from the rotating shaft is an arc surface.

[0017] Preferably, the width of the rotating groove is greater than the diameter of the rotating shaft, and the rotating shaft can slide in the rotating groove along the width direction of the rotating groove.

[0018] Preferably, the height of the stop block and the height of the first fixing block are in a certain proportion, and the proportion is in the range of 1 / 3 to 3 / 5.

[0019] Preferably, the puller body further comprises a first plate body provided with the first fixing block and the second fixing block. The first plate body and the second plate body clamp the movement core. The movement core is arranged along the length direction of the puller body, and the movement core is arranged on the side of the puller body provided with the first fixing block. Relative to the second fixing block, the first fixing block is closer to the movement core.

[0020] With respect to the above background art, the zipper puller provided by the utility model comprises: a puller body, first fixing blocks and second fixing blocks are arranged on both sides of the end face of the puller body, a pull tab is rotatably arranged on the puller body, the two side edges of the pull tab along the rotation shaft direction are respectively clamped and fixed between each first fixing block and each second fixing block, a stop block is arranged on the side of each first fixing block close to the pull tab, the stop block is located on the rotation path of the pull tab, the stop block is provided with a stop surface capable of abutting against the side wall of the pull tab, the pull tab abuts against the stop surface after being turned to a certain angle, and the end part of the pull tab is locked by the first fixing block and the second fixing block and cannot slide horizontally, that is, the stop block limits the turning angle range of the pull tab, it should be noted that when the side wall of the pull tab abuts against the stop surface, the included angle between the pull tab and the end face of one end of the tail part of the puller body is 90° to 120°, a spring piece is further arranged on the puller body and abuts against the spring piece during the rotation of the pull tab, the spring piece exerts a spring force on the pull tab, the pull tab is turned to one side of the tail part of the puller body after being subjected to the spring force of the spring piece, and the spring force can make the pull tab in any posture restore to a lying state, thereby completing the reset of the pull tab. The zipper puller provided by the utility model limits the turning angle of the pull tab through the stop block, and then pushes the pull tab through the spring piece, so that the pull tab can automatically rebound, thereby improving the use experience of users. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only embodiments of the utility model, and other drawings can also be obtained by the provided drawings without creative labor for those skilled in the art.

[0022] Figure 1 The explosion view of the zipper puller provided by the embodiments of the utility model;

[0023] Figure 2 The top view of the puller body provided by the embodiments of the utility model;

[0024] Figure 3 The structure diagram of the puller body provided by the second embodiment of the utility model;

[0025] Figure 4 The structure diagram of the puller body provided by the third embodiment of the utility model;

[0026] Figure 5 The structure diagram of the puller body provided by the fourth embodiment of the utility model;

[0027] Figure 6 The structure diagram of the puller body of the counterclockwise turned pull tab provided by the embodiments of the utility model.

[0028] 1 - pull tab; 11 - rotating shaft; 12 - eccentric shaft; 13 - mounting hole; 2 - puller body; 21 - first fixed block; 22 - second fixed block; 23 - stop block; 24 - fixed groove; 25 - locking hole; 26 - first plate body; 27 - second plate body; 28 - end face; 3 - spring piece; 31 - locking plate; 32 - fixed plate; 4 - movement; 5 - rotating groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0030] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0031] The present application provides a zipper puller, which comprises a puller body 2, a pull tab 1 is arranged on the puller body 2, first fixed blocks 21 and second fixed blocks 22 are arranged on both sides of the pull tab 1, the first fixed blocks 21 and the second fixed blocks 22 clampingly fix the two side edges of the pull tab 1, and the pull tab 1 can rotate on the puller body 2, a stop block 23 is arranged on one side of the first fixed block 21 close to the pull tab 1, the stop block 23 is provided with an abutting stop surface which can abut against the pull tab 1, the distance between each stop block 23 is less than the width of the pull tab 1, that is to say, the stop block 23 is located on the rotating path of the pull tab 1, when the pull tab 1 rotates to a certain angle on the puller body 2, the pull tab 1 abuts against the stop surface of the stop block 23, the stop block 23 limits the rotating range of the pull tab 1, and the pull tab 1 is prevented from rotating and turning over too large an angle, the puller body 2 is further provided with a spring piece 3, the pull tab 1 abuts against the spring piece 3 during the turning over of the pull tab 1, the spring piece 3 deforms and exerts a spring force on the pull tab 1, the spring force makes the pull tab 1 turn over to one end of the tail part of the puller body 2, and the automatic rebound of the pull tab 1 is realized. It should be noted that when the pull tab 1 abuts against the stop surface of the stop block 23, the included angle between the pull tab 1 and the end face 28 of one end of the tail part of the puller body 2 ranges from 90° to 120°, and the angle range ensures that the pull tab 1 can rebound and reset from any angle after being subjected to the spring force.

[0032] Preferably, two rotating shafts 11 are arranged along the width direction of the pull tab 1 at the end of the pull tab 1 close to the first fixed block 21 and the second fixed block 22, the rotating shafts 11 extend between the first fixed block 21 and the second fixed block 22, the first fixed block 21 and the second fixed block 22 clamp and fix the rotating shafts 11, so that the pull tab 1 is flipped around the axis of the rotating shafts 11, further, an eccentric shaft 12 is arranged between the rotating shafts 11, the eccentric shaft 12 is arranged parallel to the rotating shafts 11, and when the pull tab 1 is in the flipped state, the axis of the eccentric shaft 12 is away from the end surface 28 of the puller body 2 relative to the axis of the rotating shafts 11, in addition, a mounting hole 13 is arranged on the pull tab 1, the mounting hole 13 is located on the side of the eccentric shaft 12 away from the rotating shafts 11, a spring piece 3 is arranged in the mounting hole 13, the arrangement direction of the spring piece 3 is perpendicular to the axis of the eccentric shaft 12, the ends of the spring piece 3 located on both sides of the eccentric shaft 12 are respectively bent towards the side close to the puller body 2, so that the spring piece 3 has a fixing plate 32 and a locking plate 31, wherein the width of the locking plate 31 gradually shrinks towards the side close to the puller body 2, the end of the locking plate 31 has a locking needle, and the end of the fixing plate 32 extends in the width direction of the fixing plate 32 and has a clamping block, please refer to the drawings Figure 2 A fixing groove 24 and a locking hole 25 are arranged on the puller body 2, the fixing groove 24 and the locking hole 25 are respectively arranged on both sides in the direction perpendicular to the axis of the rotating shafts 11, the fixing plate 32 of the spring piece 3 extends into the fixing groove 24 and is clamped with the fixing groove 24 through the clamping block, the fixing plate 32 fixedly connects the spring piece 3 and the puller body 2, correspondingly, the locking plate 31 cooperates with the locking hole 25, the locking hole 25 is communicated with the inner cavity of the puller body 2, the locking plate 31 extends into the inner cavity of the puller body 2 through the locking hole 25 and is inserted with the zipper teeth in the puller body 2, so as to lock the puller body 2 and the teeth, avoiding that the puller body 2 slides down to pull open the zipper.

[0033] In an embodiment of the utility model, the pull tab 1 is not turned over and is in a lying state, at this time the elastic sheet 3 is not deformed, the locking plate 31 extends into the locking hole 25 of the puller body 2 and is inserted with the zipper teeth in the inner cavity of the puller body 2, the puller body 2 is in a locking state with the zipper, after the pull tab 1 is turned over, the rotating shaft 11 is fixed between the first fixed block 21 and the second fixed block 22, the rotating shaft 11 is not changed in distance with the puller body 2 in the rotating process, the eccentric shaft 12 is arranged at a distance from the rotating shaft 11, in the process that the pull tab 1 is turned from 0 ° to 90 °, the distance between the eccentric shaft 12 and the end face 28 gradually increases until equal to the distance between the rotating shaft 11 and the eccentric shaft 12, since the elastic sheet 3 is arranged in the mounting hole 13 and the mounting hole 13 is located on the side of the eccentric shaft 12 away from the rotating shaft 11, in the process that the pull tab 1 is turned over, the eccentric shaft 12 lifts the elastic sheet 3, further, the fixed plate 32 at one end of the elastic sheet 3 is clamped in the fixed groove 24 of the puller body 2, in the process that the eccentric shaft 12 lifts the elastic sheet 3, the position of the one end of the elastic sheet 3 provided with the fixed plate 32 is locked, the one end provided with the locking plate 31 is lifted with the rotation of the eccentric shaft 12, the locking needle at the end of the locking plate 31 is separated from the zipper teeth, the puller body 2 is in a separated state with the zipper, the user can pull the puller body 2 through the pull tab 1 and pull open the zipper.

[0034] Preferably, the stopper 23 is arranged on the side of the first fixed block 21 close to the pull tab 1, the stop surface of the stopper 23 is arranged perpendicularly to the end face 28, that is, the pull tab 1 is turned over at an angle of 90 ° in the state that the stop surface is completely attached to the side wall of the pull tab 1, please refer to the drawings in the description Figure 3 A rotating groove 5 is arranged between each first fixed block 21 and each second fixed block 22, each rotating groove 5 is arranged along the axis direction of the rotating shaft 11, the bottom surface of the rotating groove 5 is lower than the end face 28 of the puller body 2, the rotating shaft 11 is contained in the rotating groove 5, the width of the rotating groove 5 is greater than the diameter of the rotating shaft 11, that is, the rotating shaft 11 can slide perpendicularly to the axis direction of the rotating shaft 11 in the rotating groove 5, when the side wall of the pull tab 1 is completely attached to the stop surface, if the pull tab 1 is continuously rotated and the end of the stopper 23 is abutted, the rotating shaft 11 in the sliding groove slides to the side away from the stopper 23 until abutting with the side wall of the rotating groove 5, the rotating groove 5 is arranged in this way, the turning-over angle of the pull tab 1 is further increased, it should be noted that the maximum turning-over angle of the elastic sheet 3 is 120 °.

[0035] It should be noted that the stop surface of the stopper 23 extends into the rotating groove 5, a concave surface is arranged between the side wall of the rotating groove 5 and the stop surface, the concave surface can be attached to the side wall of the rotating shaft 11, so that the turning-over process of the pull tab 1 is more smooth.

[0036] Please refer to the drawings in the description Figure 6The elastic sheet 3 extends with a rebound plate, the rebound plate is bent to the side close to the fixed plate 32, the elastic sheet 3, the rebound plate and the locking plate 31 are arranged around the outer periphery of the eccentric shaft 12, the rebound plate is arranged at a certain angle with the elastic sheet 3, when the pull tab 1 is turned counterclockwise to the maximum angle, the rebound plate applies the elastic force in the clockwise direction to the eccentric shaft 12, when the user releases the pull tab 1, the elastic force of the rebound plate makes the pull tab 1 rotate counterclockwise until the pull tab 1 returns to the lying state, the elastic sheet 3 returns to the original state, the locking plate 31 is inserted into the locking hole 25, and the puller body 2 is locked with the zipper.

[0037] Please refer to the drawings in the description Figure 1 The height of the first fixed block 21 is greater than the height of the stop block 23, and the height of the stop block 23 is in the range of 1 / 3-3 / 5 of the height of the first fixed block 21, so as to avoid that the first fixed block 21 affects the limiting function of the stop block 23. In addition, the widths of the first fixed block 21, the second fixed block 22 and the stop block 23 are tapered to the side away from the puller body 2, and the tapered end of each of the above components is provided with a rounded corner. The side of the first fixed block 21, the second fixed block 22 and the stop block 23 away from the rotating shaft 11 is specifically a curved arc surface. The outer surface of the first fixed block 21, the second fixed block 22 and the stop block 23 with the above structure is softer in contact with clothes, so as to avoid scratching clothes when pulling the zipper, and also avoid scratching the user.

[0038] Preferably, the end of the first fixed block 21 and the second fixed block 22 away from the puller body 2 is bent to the side close to the rotating shaft 11, the bent parts of the first fixed block 21 and the second fixed block 22 abut each other, and the rotating shaft 11 is locked between the first fixed block 21 and the second fixed block 22, so as to avoid that the pull tab 1 is separated from between the first fixed block 21 and the second fixed block 22 during the turning process. It should be noted that the height of the first fixed block 21 and the second fixed block 22 after being bent is still greater than the height of the stop block 23.

[0039] The puller body 2 comprises a first plate body 26 and a second plate body 27, the first plate body 26 is provided with the first fixed block 21 and the second fixed block 22, and the machine core 4 is clamped between the first plate body 26 and the second plate body 27. The machine core 4 is arranged along the length direction of the puller body 2, and is located at the side of the puller body 2 provided with the first fixed block 21, that is, the side of the puller body 2 sliding during pulling and closing the zipper. The two side edges of the end of the first plate body 26 close to the machine core 4 are bent to the side close to the machine core 4, for guiding the zipper plug to extend into the puller body 2. The top surface of the first plate body 26 is provided with a protrusion corresponding to the machine core 4, the height of the protrusion increases to the side close to the first fixed block 21, and the side of the protrusion away from the first fixed block 21 is a curved surface. The second plate body 27 is symmetrical to the machine core 4, and the second plate body 27 on both sides of the machine core 4 is slightly bent to the side close to the first plate body 26. The puller body 2 with the above structure makes the process of pulling and closing the zipper more smooth.

[0040] Please refer to the accompanying drawings Figure 3 to the accompanying drawings Figure 5 The position of the stop block 23 can be adjusted according to requirements. In the second embodiment of the present application, the stop block 23 is spaced apart from the first fixed block 21, and the stop surface is in the same plane as the vertical side wall of the first fixed block 21. In the third embodiment of the present application, the stop block 23 is spaced apart from the first fixed block 21, and the stop surface is parallel to and not coplanar with the vertical side wall of the first fixed block 21. In the fourth embodiment of the present application, the stop block 23 is spaced apart from the end surface 28, and the stop block 23 is fixed to the side wall of the first fixed block 21 close to the movement core 4, that is, the stop block 23 is suspended on the first fixed block 21. The stop block 23 in the above embodiments is located on the side of the first fixed block 21 close to the pull tab 1, that is, the stop block 23 is located on the turning path of the pull tab 1, thereby limiting the maximum turning angle of the pull tab 1.

[0041] In summary, the zipper puller provided by the present application limits the turning angle of the pull tab 1 by arranging the stop block 23 on the turning path of the pull tab 1, avoids frequent deformation of the elastic piece 3, reduces the service life of the elastic piece 3, prevents the turning angle of the pull tab 1 from being too large, and prevents the elastic piece 3 from automatically rebounding the pull tab 1, thereby affecting the user experience.

[0042] It should be noted that the relational terms herein, such as first and second, are used only to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between or among the entities.

[0043] The principles and implementation modes of the present application are described by applying specific examples. The above description of the embodiments is only used to help understand the method of the present application and its core idea. It should be pointed out that for ordinary skilled persons in the technical field, without departing from the principles of the present application, the present application can be improved and modified in many ways, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A slide fastener puller characterized by, The utility model relates to a zipper puller, which comprises: a pull tab (1) provided with a first fixed block (21) and a second fixed block (22) on both sides, the first fixed block (21) and the second fixed block (22) rotatably connecting the pull tab (1) to a puller body (2); a stop block (23) provided in the region between the opposite faces of the two first fixed blocks (21), the stop block (23) being provided with a stop surface abutting against the pull tab (1); the stop surface is arranged such that when the pull tab (1) rotates and abuts against the stop surface, the angle between the pull tab (1) and the end surface (28) of the tail end of the puller body (2) is in the range of 90° to 120°; a spring (3) providing a spring force to the pull tab (1), so that the pull tab (1) can be restored to the lying posture from any posture in the process of rotating from the lying posture to abutting against the stop surface, under the action of the spring force.

2. The slide fastener of claim 1, wherein The end of the pull tab (1) extends in the direction close to each first fixed block (21) to form two rotating shafts (11), and the first fixed block (21) and the second fixed block (22) clamping and fixing the rotating shafts (11).

3. The slide fastener of claim 2, wherein An eccentric shaft (12) is arranged between the two rotating shafts (11), the two rotating shafts (11) form a notch at the eccentric shaft (12), the pull tab (1) is provided with a mounting hole (13) on the side of the eccentric shaft (12) away from the rotating shafts (11), the spring (3) is arranged in the pull tab (1), and the spring (3) abuts against the side wall of the eccentric shaft (12).

4. The slide fastener of claim 3, wherein The rotating shafts (11) are arranged between the first fixed block (21) and the second fixed block (22), and rotating grooves (5) extending along the axis of the rotating shafts (11) are arranged below the rotating shafts (11), the bottom of the rotating grooves (5) is lower than the end surface (28), and the inner wall of the rotating grooves (5) is connected to the stop surface through a concave surface.

5. The slide fastener of claim 4, wherein The spring (3) is bent to form a fixed plate (32) and a locking plate (31) on both sides of the eccentric shaft (12), the puller body (2) is provided with a fixed groove (24) and a locking hole (25) on both sides perpendicular to the axis of the rotating shafts (11), the fixed plate (32) extends into the fixed groove (24) to connect the spring (3) and the puller body (2), the locking plate (31) extends into the locking hole (25) and is inserted into a chain tooth, and the locking plate (31) locks the position of the puller body (2).

6. The slide fastener of claim 2, wherein The width of the stop block (23), the first fixed block (21), the second fixed block (22) and the rotating shafts (11) in the vertical direction gradually decreases towards the side away from the puller body (2), and each gradually decreasing end is provided with a rounded corner.

7. The slide fastener of claim 6, wherein The side of the stop block (23), the first fixed block (21) and the second fixed block (22) away from the rotating shafts (11) is an arc surface.

8. The slide fastener of claim 5, wherein The width of the rotating groove (5) is greater than the diameter of the rotating shafts (11), and the rotating shafts (11) can slide in the rotating groove (5) along the width direction of the rotating groove (5).

9. The slide fastener of claim 6, wherein The height of the stop block (23) is in a certain proportion to the height of the first fixed block (21), and the proportion ranges from 1 / 3 to 3 / 5.

10. The slide fastener of any of claims 1-9, wherein, The puller body (2) further comprises a first plate body (26) provided with the first fixed block (21) and the second fixed block (22), the first plate body (26) and the second plate body (27) clamping connect the movement (4), the movement (4) is arranged along the length direction of the puller body (2), and the movement (4) is arranged on one side of the puller body (2) provided with the first fixed block (21); compared with the second fixed block (22), the first fixed block (21) is closer to the movement (4).