Novel zipper puller

Abstract

The utility model discloses a novel zipper puller which comprises a puller body, a horse hook and an elastic piece, an installation groove is formed in the puller body, the horse hook comprises a pivoting end and a movable end, a first groove is formed in the installation groove, the elastic piece is arranged in the first groove and abuts against the pivoting end, and a riveting piece is arranged on the puller body. The two ends of the riveting piece are arranged on the mounting groove, and the top face of the pivoting end is provided with an arc-shaped first receding part which is sunken downwards. According to the utility model, the top surface of the pivoting end of the horse hook is recessed downwards to form the arc-shaped first avoiding part, the riveting piece covers the first avoiding part and is pivoted with the first avoiding part, meanwhile, the elastic piece is propped against the pivoting end of the horse hook, and the pulling piece is pulled to drive the movable end to move upwards, so that the zipper teeth are unlocked; at the moment, the pivoting end downwards extrudes the elastic piece; when the pulling piece is loosened, the pivoting end is driven to rotate along the first positioning part according to the resilience force of the elastic piece, so that the hook part of the horse hook locks the zipper teeth.

Description

Technical Field

[0001] This utility model relates to the field of zipper technology, specifically to a novel zipper head. Background Technology

[0002] Zippers are widely used in daily life, and one of their important components is the zipper pull, used to open and close the zipper. The zipper pull usually needs to be used in conjunction with a pull tab, which is given to the user to squeeze and pull the zipper pull.

[0003] Currently, traditional self-locking zipper pulls on the market typically have a spring and a hook inside. Their self-locking function usually relies on the hook and spring mounted on the zipper pull body. For example, Chinese invention patent CN106560108B describes a modular zipper pull. This design fixes the spring inside a cap, places the hook inside the cap, and has cap seats at the front and rear ends of the upper wing plate of the zipper pull body. The cap's two ends engage with these cap seats. The cap contains a hook for locking and a spring for resetting the hook. The pull tab passes through the hook; pulling the pull tab releases the self-locking mechanism. Therefore, the installation and fixation of the spring inside the cap is crucial. The common practice in existing technologies is to first fix the spring clip separately inside the cap, then put the cap with the spring clip back into the vibratory feeder, and finally rivet the cap to the zipper pull body, so that the spring clip is finally installed above the hook. During the riveting and fixing of the spring clip, a certain amount of room for movement is required to allow for deformation and repositioning. Therefore, the processing precision requirements for the spring clip and other components are relatively high, which also increases the assembly difficulty. Therefore, the existing spring clip fixing methods and performance of zipper pulls are far from meeting usage requirements.

[0004] In view of this, the inventors of this case conducted in-depth research on the above-mentioned problems, which led to the creation of this case. Utility Model Content

[0005] The purpose of this invention is to provide a simple and easy-to-assemble self-locking zipper pull.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a novel zipper head, comprising a zipper head body, a cap connected to the zipper head body, and a locking assembly disposed between the zipper head body and the cap for locking or unlocking the zipper teeth. The locking assembly includes a hook and an elastic element. The zipper head body is provided with a mounting groove for placing the hook. The hook includes a pivot end and a movable end. The mounting groove is provided with a first groove for placing the elastic element. The elastic element is disposed in the first groove and its upper end abuts against the lower end of the pivot end. The zipper head body is provided with a riveting element. The top surface of the pivot end is recessed downwards in an arc-shaped first clearance portion. The hook is pivotally connected to the middle part of the riveting element through the first clearance portion.

[0007] Furthermore, the riveting component has a slot in the middle, and the riveting component is divided into a first riveting component and a second riveting component by the slot. The end of the first riveting component away from the slot and the end of the second riveting component away from the slot are respectively fixedly connected to the pull head body. The end of the first riveting component near the slot and the end of the second riveting component near the slot respectively bypass the first clearance part, and the two are riveted together.

[0008] Furthermore, the zipper head body includes an upper wing plate, a lower wing plate, and a guide post connecting the upper wing plate and the lower wing plate. The upper wing plate extends upward to have a cap seat. The mounting groove is disposed on the cap seat. The mounting groove is provided with a second groove penetrating the upper wing plate at the position corresponding to the movable end. The movable end is movably disposed in the second groove and locks or unlocks the zipper teeth.

[0009] Furthermore, the length direction of the cap is defined as front-to-back, and the width direction of the cap is defined as left-to-right. The movable end includes a stop and a hook. The stop is disposed at the front end or rear end of the hook. A step is provided on the second groove to restrict the downward movement of the stop. The hook passes through the second groove and is connected to the chain tooth.

[0010] Furthermore, the hook portion includes a bearing portion and a locking head. The thickness of the bearing portion is greater than the thickness of the locking head. The left and / or right sides of the locking head are provided with a first guide slope. The thickness of the locking head in the left-right direction gradually decreases from the end closer to the bearing portion to the end farther away from the bearing portion.

[0011] Furthermore, the hook includes a bearing portion and a locking head. The width of the bearing portion is greater than the width of the locking head. The front end of the hook is provided with a second guide slope. The width of the locking head in the front-back direction gradually decreases from the end closer to the bearing portion to the end farther away from the bearing portion.

[0012] Furthermore, the cap housing has a first positioning post and a second positioning post symmetrically arranged in the front-to-back direction. The first positioning post abuts against the riveting part, and the movable end is provided with a second clearance part corresponding to the second positioning post.

[0013] Furthermore, the lower end of the first positioning post / or the second positioning post is provided with a limiting groove for restricting the first riveting member and the second riveting member from moving away from the slot, and the end of the first riveting member near the slot and the end of the second riveting member near the slot abut against the limiting groove.

[0014] Furthermore, the elastic element includes one of a spring, a C-shaped spring, or a torsion spring.

[0015] Furthermore, the slider body is provided with a first electroplating liquid hole, which penetrates the upper wing plate and the lower wing plate, and the first groove is provided with a second electroplating liquid hole that penetrates the guide post.

[0016] Furthermore, it also includes a pull tab, which is sleeved on the cap, and the pull rod of the pull tab is disposed between the hook and the upper wing plate.

[0017] By adopting the aforementioned design scheme, the beneficial effects of this utility model are as follows: A first, arc-shaped relief portion is recessed downwards at the top of the pivot end of the hook, and a riveting component covers and pivotally connects to this first relief portion. Simultaneously, an elastic component abuts against the pivot end of the hook. Pulling the pull tab causes the movable end to move upwards, unlocking the zipper teeth. At this time, the pivot end presses downwards against the elastic component. When the pull tab is released, the rebound force of the elastic component causes the pivot end to rotate along the first positioning portion, locking the hook portion of the hook into the zipper teeth. Simultaneously, symmetrical first and second positioning portions are provided. When installing the cap, it is not necessary to determine the front-to-back direction for assembly; the cap can be directly riveted to the upper wing plate, eliminating the riveting process of the spring piece inside the cap as in the prior art. This makes the zipper head easy to assemble. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is an exploded view of the unriveted state of Embodiment 1 of this utility model;

[0020] Figure 3 This is an exploded view of the riveting state in Embodiment 1 of this utility model;

[0021] Figure 4 This is a cross-sectional view of Embodiment 1 of the present utility model;

[0022] Figure 5 This is a schematic diagram of the hook structure in Embodiment 1 of this utility model;

[0023] Figure 6 This is an exploded view of Embodiment 2 of the present invention in its unriveted state;

[0024] Figure 7 This is a cross-sectional view of Embodiment 2 of the present invention;

[0025] Figure 8 This is a schematic diagram of the hook structure in Embodiment 2 of this utility model;

[0026] In the diagram: 1. Slider head body, 11. Upper wing plate, 12. Lower wing plate, 13. Guide post, 14. Cap seat, 141. Mounting groove, 142. First groove, 143. Second groove, 1431. Step, 15. Riveting component, 151. Second riveting component, 152. Slot, 153. First electroplating liquid hole, 161. Second electroplating liquid hole, 162. Cap, 2. First positioning post, 211. Limiting groove, 22. Second positioning post, 3. Hook, 3. Pivoting end, 311. First clearance part, 312. Movable end, 321. Stop part, 322. Hook part, 3221. Bearing part, 3221. Locking head, 3222. First guide slope, 3223. Second guide slope, 3224. Connecting end, 4. Elastic component. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] The terms "first," "second," "third," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or apparatuses.

[0029] Example 1, refer to Figures 1 to 4

[0030] A novel zipper head includes a zipper head body 1, a cap 2, a locking assembly, and a pull tab (not shown in the figure). The cap 2 is cast from metal material and is riveted to the zipper head body 1 by a riveting machine. The locking assembly includes a hook 3 and an elastic element 4.

[0031] For ease of description, this article defines the position of the cap 2 as "up", the position of the zipper body 1 as "down", the length direction of the cap 2 as "front and back", where the side closer to the guide post 13 is "back" and the side farther from the guide post 13 is "front", the width direction of the cap 2 as "left and right", and the length of each part of the hook 3 along the left and right direction is the thickness of the hook 3.

[0032] The locking component is disposed between the zipper pull body 1 and the cap 2 and is used to lock or unlock the zipper teeth. Pulling the zipper pull will lock or unlock the zipper teeth. It is worth noting that the elastic element 4 in this embodiment includes one of a spring, a C-shaped spring, or a torsion spring, but is not limited to the above-mentioned elastic element 4.

[0033] The zipper pull body 1 includes an upper wing plate 11, a lower wing plate 12, and a guide post 13 connecting the upper wing plate 11 and the lower wing plate 12. The upper wing plate 11, the lower wing plate 12, and the guide post 13 combine to form a roughly Y-shaped slide for a zipper tooth to pass through. A cap seat 14 extends upwards from the upper wing plate 11. The cap 2 is integrally cast from metal, but is not limited to metal. The cap 2 is a rectangular semi-closed shell structure with an opening on one side. The cap 2 is snapped onto the cap seat 14, and a riveting mechanism is used to punch recesses on the side wall of the cap 2 to fix it to the cap seat 14.

[0034] Furthermore, the cap seat 14 is provided with a mounting groove 141 for placing the hook 3. The mounting groove 141 is provided with a first groove 142 for placing the elastic element 4 and a second groove 143 penetrating the upper wing plate 11. It is worth noting that the mounting groove 141 is a rectangular groove with an opening at the top. The length of the rectangular groove in the left-right direction is approximately equal to the thickness of the hook 3, so as to limit the swing of the hook 3 and make the hook 3 more stable. It is also worth noting that the upper wing plate 11, lower wing plate 12, guide post 13, cap seat 14, mounting groove 141, first groove 142 and second groove 143 are integrally cast from metal materials, but are not limited to metal materials.

[0035] The slider body 1 is integrally cast with a riveting component 15. The riveting component 15 has a slot 153 in the middle. The riveting component 15 is divided into two parts, a first riveting component 151 and a second riveting component 152, at the position of the slot 153. The first riveting component 151, the second riveting component 152 and the slot 153 form a U-shaped riveting component 15. The end of the first riveting component 151 away from the slot 153 and the end of the second riveting component 152 away from the slot 153 are integrally cast and connected to the slider body 1. The end of the first riveting component 151 near the slot 153 and the end of the second riveting component 152 near the slot 153 respectively bypass the first clearance part 311, and the end of the first riveting component 151 near the slot 153 and the end of the second riveting component 152 near the slot 153 are riveted together. It is worth noting that in this embodiment, the slot 153 is the gap between the first riveting member 151 and the second riveting member 152, that is, the width gap of the slot 153 can be made as close to 0 as possible.

[0036] Furthermore, the cap 2 has a first positioning post 21 and a second positioning post 22 symmetrically arranged inside its shell along the front-back direction. The cap 2 is integrally cast with the first positioning post 21 and the second positioning post 22. The lower end of either the first positioning post 21 or the second positioning post 22 has a limiting groove 211 for limiting the separation of the first riveting member 151 and the second riveting member 152. The top of the riveting member 15 abuts against the limiting groove 211. The limiting groove 211 limits the separation of the first riveting member 151 and the second riveting member 152, and also further limits the shaking of the cap 2, making the present invention more stable. At the same time, the symmetrical first positioning part 21 and the second positioning part 22 mean that when installing the cap 2, it is not necessary to determine the front-back direction for assembly. The cap 2 can be riveted to the upper wing plate 11, eliminating the riveting process of the spring piece in the prior art, thus making the zipper head easy to assemble.

[0037] Furthermore, the hook 3 is an integrally formed sheet structure including a pivot end 31, a movable end 32, and a connecting end 33 connecting the pivot end 31 and the movable end 32. The movable end 32 and the pivot end 31 are disposed at the front and rear ends of the hook 3. The elastic element 4 is disposed in the first groove 142 and the upper end of the elastic element 4 abuts against the lower end of the pivot end 31. The pivot end 31 is provided with a first clearance part 311 corresponding to the first positioning post 21. The first clearance part 311 is an arc-shaped groove with the top surface of the connecting end 33 recessed downward near the pivot end 31. The hook 3 is pivotally connected to the riveting part 15 through the first clearance part 311 with the arc-shaped groove. The movable end 32 is provided with a second clearance part 312 corresponding to the second positioning post 22. The second clearance part 312 is an arc-shaped groove with the top surface of the connecting end 33 recessed downward near the movable end 32. The movable end 32 moves up and down between the mounting groove 141 and the cap 2 through the second clearance part 312 with the arc-shaped groove.

[0038] Furthermore, the movable end 32 includes a stop portion 321 and a hook portion 322. The stop portion 321 is located in front of the hook portion 322. A step 1431 is provided on the front side of the second groove 143 to restrict the downward movement of the stop portion 321. The hook portion 322 passes through the second groove 143 and connects to the zipper teeth. The hook portion 322 is movably disposed in the second groove 143 and locks or unlocks the zipper teeth. When the hook portion 322 is inserted into the second groove 143 and engages with the zipper teeth, the stop portion 321 abuts against the step 1431.

[0039] Furthermore, the hook portion 322 includes a supporting portion 3221 and a locking head 3222. The thickness of the supporting portion 3221 is greater than the thickness of the locking head 3222. The left and / or right sides of the locking head 3222 are provided with a first guide slope 3223. The thickness of the locking head 3222 gradually decreases from the end closer to the supporting portion 3221 to the end farther away from the supporting portion 3221 in the left-right direction. That is, when the first guide slope 3223 is provided on the left side of the locking head 3222, the right side of the locking head 3222 and the right side of the supporting portion 3221 are located on the same plane; when the first guide slope 3223 is provided on the right side of the locking head 3222, the left side of the locking head 3222 and the left side of the supporting portion 3221 are located on the same plane. By setting the first guide slope 3223, the hook 322 can have a guiding effect when locked in the zipper teeth, making the insertion smoother and easier, facilitating self-locking, and reducing the friction between the hook 322 and the zipper teeth, reducing the wear of the hook 3 and extending its service life.

[0040] Furthermore, the length of the bearing portion 3221 in the front-to-back direction is greater than the length of the latch head 3222 in the front-to-back direction. The front end of the latch head 3222 is provided with a second guide slope 3224. More specifically, the second guide slope 3224 is located on the front side of the latch head 3222, and the width of the latch head 3222 in the front-to-back direction gradually decreases from the end closer to the bearing portion 3221 to the end farther away from the bearing portion 3221. The second guide slope 3224 provides a guiding function for the hook portion 322 when unlocking the zipper teeth, making it smoother and easier to pull out, facilitating unlocking, and reducing friction between the hook portion 322 and the zipper teeth, thus reducing wear on the hook 3 and extending its service life.

[0041] Furthermore, the zipper head body 1 is provided with a first electroplating solution hole 161, which penetrates the upper wing plate 11 and the lower wing plate 12. A second electroplating solution hole 162 is provided on the first groove 142, penetrating the guide post 13. Before electroplating, the zipper undergoes multiple water washing, activation, polishing, and film removal operations to achieve high surface activity. Then, electroplating is performed on its surface. The first electroplating solution hole 161 and the second electroplating solution hole 162 allow for better control of electroplating time and temperature. The electroplating solution used has good dispersing power and deep plating capability, high cathode current efficiency, and excellent performance. The resulting electroplated layer has low porosity, high brightness, and good plating quality.

[0042] Example 2, refer to Figure 1 , Figures 5 to 7

[0043] The difference between this embodiment and Embodiment 1 is only that: the movable end 32 includes a stop part 321 and a hook part 322. The stop part 321 is located behind the hook part 322. A step 1431 is provided on the rear side of the second groove 143 to restrict the downward movement of the stop part 321. The hook part 322 passes through the second groove 143 and connects with the zipper teeth. The hook part 322 is movably disposed in the second groove 143 and locks or unlocks the zipper teeth. When the hook part 322 is inserted into the second groove 143 and engages with the zipper teeth, the stop part 321 abuts against the step 1431.

[0044] In assembling the zipper head, this invention first places one end of the elastic element 4 in the first positioning groove 144, fixing the elastic element 4 relative to the upper wing plate 12; then, the hook 3 is placed in the mounting groove 141 and positioned between the first riveting element 151 and the second riveting element 152, so that the pivot end 31 abuts against the elastic element 4, and the hook portion 322 is inserted into the upper wing plate 12. The first rivet 151 and the second rivet 152 are riveted together at their closest ends by a riveting mechanism, so that the pivot end 31 of the hook 3 is restricted under the first rivet 151 and the second rivet 152. Then, the cap 2 is placed on the cap seat 14 from top to bottom, so that the limiting groove 211 of the first positioning post 21 of the cap 2 presses against the rivet 15 (the upper surface of the first rivet 151 and the second rivet 152) to prevent the hook 3 from detaching from the first rivet 151 and the second rivet 152. Finally, the side wall of the cap 2 is punched with a riveting mechanism to fix the cap 2 on the cap seat 14, thereby completing the assembly of the zipper head.

[0045] When an external force lifts the hook 3 upwards via a pull tab, the hook 3 is pulled by the pull rod of the pull tab and rotates clockwise around the rivet 15 via the first clearance part 311. The pivot end 31 presses downwards against the elastic member 4, and the hook part 322 is pulled out from the second groove 143 of the upper wing plate 12, unlocking the zipper head. After the external force is removed, the elastic member 4 rebounds and pushes upwards against the pivot end 31, causing the hook 3 to rotate counterclockwise around the rivet 15. The hook part 322 re-inserts into the second groove 143, locking the zipper head.

[0046] As described above, this utility model, by setting the riveting part 15 and the first clearance part 311 of the hook 3, pivotally connects the hook 3 to the cap 2. One end of the elastic element 4 is fixed on the upper wing plate 12, and the other end abuts against the pivot end 31, so that the hook 3 can be subjected to a relatively stable elastic force during operation. Moreover, when assembling the zipper head, it is only necessary to rivet the cap 2 onto the upper wing plate 12, eliminating the riveting process of the spring piece in the prior art, thus giving the zipper head the advantage of easy assembly. The hook 3 is set on the mounting groove 141, which can limit the hook 3 and prevent the hook 3 from deviating, effectively improving the stability of the zipper head. At the same time, the symmetrical first positioning part 21 and second positioning part 22 are set. When installing the cap 2, it is not necessary to judge the front and back direction of the cap 2 for assembly. It is only necessary to rivet the cap 2 onto the upper wing plate 11, eliminating the riveting process of the spring piece in the prior art, thus giving the zipper head the advantage of easy assembly.

[0047] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel zipper pull, characterized in that: The device includes a zipper pull body, a cap connected to the zipper pull body, and a locking assembly disposed between the zipper pull body and the cap for locking or unlocking the zipper teeth. The locking assembly includes a hook and an elastic element. The zipper pull body has a mounting groove for placing the hook. The hook includes a pivot end and a movable end. The mounting groove has a first groove for placing the elastic element. The elastic element is disposed in the first groove and its upper end abuts against the lower end of the pivot end. The zipper pull body has a riveting member. The two ends of the riveting member are disposed on the mounting groove of the zipper pull body. The top surface of the pivot end has a downward-facing, arc-shaped first clearance portion. The hook is pivotally connected to the middle part of the riveting member through the first clearance portion.

2. The novel zipper pull according to claim 1, characterized in that: The riveting component has a slot in the middle, and the riveting component is divided into a first riveting component and a second riveting component by the slot. The end of the first riveting component away from the slot and the end of the second riveting component away from the slot are respectively fixedly connected to the pull head body. The end of the first riveting component near the slot and the end of the second riveting component near the slot respectively bypass the first clearance part and are riveted together.

3. The novel zipper pull according to claim 1, characterized in that: The zipper head body includes an upper wing plate, a lower wing plate, and a guide post connecting the upper wing plate and the lower wing plate. The upper wing plate extends upward to have a cap seat. The mounting groove is disposed on the cap seat. The mounting groove is provided with a second groove penetrating the upper wing plate at the position corresponding to the movable end. The movable end is movably disposed in the second groove and locks or unlocks the zipper teeth.

4. A novel zipper pull according to claim 3, characterized in that: The length direction of the cap is defined as front and back, and the width direction of the cap is defined as left and right. The movable end includes a stop and a hook. The stop is disposed at the front end or rear end of the hook. A step is provided on the second groove to restrict the downward movement of the stop. The hook passes through the second groove and is connected to the chain tooth.

5. A novel zipper pull according to claim 4, characterized in that: The hook portion includes a bearing portion and a locking head. The thickness of the bearing portion is greater than the thickness of the locking head. The left and / or right sides of the locking head are provided with a first guide slope. The thickness of the locking head in the left-right direction gradually decreases from the end closer to the bearing portion to the end farther away from the bearing portion.

6. A novel zipper pull according to claim 4, characterized in that: The hook includes a bearing portion and a locking head. The front end of the hook is provided with a second guide slope. The width of the locking head in the front-back direction gradually decreases from the end closer to the bearing portion to the end farther away from the bearing portion.

7. A novel zipper pull according to claim 2, characterized in that: The cap's housing is symmetrically arranged with a first positioning post and a second positioning post in the front-to-back direction. The first positioning post abuts against the riveting part, and the movable end is provided with a second clearance part corresponding to the second positioning post.

8. A novel zipper pull according to claim 7, characterized in that: The lower end of the first positioning post / or the lower end of the second positioning post is provided with a limiting groove for restricting the first riveting member and the second riveting member from moving away from the slot, and the slot of the riveting member abuts against the limiting groove.

9. A novel zipper pull according to claim 1, characterized in that: The elastic element includes one of a spring, a C-shaped spring, or a torsion spring.

10. A novel zipper pull according to claim 3, characterized in that: The slider body is provided with a first electroplating liquid hole, which penetrates the upper wing plate and the lower wing plate. The first groove is provided with a second electroplating liquid hole that penetrates the guide post.

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