Novel zipper puller

Abstract

The novel zipper puller comprises a puller body, a horse hook and an elastic piece, a mounting 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 mounting 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. The top surface of the pivoting end of the horse hook is downwards sunken to form the arc-shaped first avoiding part, the riveting piece covers the first avoiding part and is in pivot joint with the first avoiding part, meanwhile, the elastic piece abuts against the pivoting end of the horse hook, the pulling piece is pulled to drive the movable end to move upwards, and 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] The invention relates to the technical field of zippers, and in particular to a novel zipper head. Background Art

[0002] Zippers are widely used in daily life, and one of their important parts is the slider, which is used to open and close the chain. The slider generally needs to be used in conjunction with a pull tab, which is for users to grasp and pinch to pull the slider.

[0003] At present, the traditional self-locking sliders on the market often have a spring piece and a hook inside the self-locking slider, and the self-locking function is often achieved by the hook and spring piece installed on the slider body. For example, Chinese invention patent CN106560108B is a modular combined zipper head, which is fixed in the cap, the hook is placed in the cap, and the front and rear ends of the upper wing plate of the slider body are respectively provided with a cap seat, and the two ends of the cap are respectively engaged with the cap seat. The cap is provided with a hook for locking and a spring piece for resetting the hook. The pull piece passes through the hook, and the self-locking can be released when the pull piece is pulled. Therefore, the installation and fixation of the spring piece in the cap is particularly important. The commonly used method in the prior art is to first fix the spring piece in the cap separately, then put the cap with the spring piece back into the vibrating plate for feeding, and finally rivet the cap onto the slider body so that the spring piece is finally installed on the hook. When the spring piece is riveted and fixed, it is necessary to allow the spring piece to have a certain activity space to achieve deformation and reset, so the processing accuracy of the spring piece, the cap and other components is relatively high, and the difficulty of assembly is also increased. Therefore, the existing spring piece fixing method and performance of the zipper head are far from satisfactory.

[0004] In view of this, the inventor of this case conducted in-depth research on the above-mentioned issues, which resulted in this case. Summary of the invention

[0005] The object of the present invention is to provide a self-locking slider which has a simple structure and is easy to assemble.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a new type of zipper head, comprising a slider body, a cap connected to the slider body, and a locking assembly arranged between the slider body and the cap and used to lock or unlock the zipper teeth, the locking assembly comprising a horse hook and an elastic member, the slider body is provided with a mounting groove for placing the horse hook, the horse hook comprises a pivot end and a movable end, the mounting groove is provided with a first groove for placing the elastic member, the elastic member is arranged in the first groove and the upper end portion abuts against the lower end of the pivot end, the slider body is provided with a rivet, the top surface of the pivot end is a downwardly recessed first arc-shaped avoidance portion, and the horse hook is pivotally connected to the middle portion of the rivet through the first avoidance portion.

[0007] Furthermore, a slot is provided in the middle of the riveted part, and the riveted part is divided into a first riveted part and a second riveted part by the slot, one end of the first riveted part away from the slot and one end of the second riveted part away from the slot are respectively fixedly connected to the slider body, one end of the first riveted part close to the slot and one end of the second riveted part close to the slot respectively bypass the first avoidance portion, and the two are riveted together.

[0008] Furthermore, the slider body includes an upper wing plate, a lower wing plate and a guide column connecting the upper wing plate and the lower wing plate, the upper wing plate is provided with a cap seat extending upward, the mounting groove is arranged on the cap seat, the mounting groove is provided with a second groove passing through the upper wing plate at the position corresponding to the movable end, the movable end can be movably arranged in the second groove and lock or unlock the chain teeth of the zipper.

[0009] Furthermore, 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 portion and a hook portion, the stop portion is arranged at the front end or the rear end of the hook portion, a step is arranged on the second groove to limit the downward movement of the stop portion, and the hook portion passes through the second groove and is connected to the chain tooth.

[0010] Furthermore, the hook portion includes a supporting portion and a locking head, the thickness of the supporting portion is greater than the thickness of the locking head, a first guide slope is provided on the left and / or right side of the locking head, and the thickness of the locking head along the left and right direction gradually decreases from one end close to the supporting portion to an end away from the supporting portion.

[0011] Furthermore, the hook portion includes a supporting portion and a locking head, the width of the supporting portion is greater than the width of the locking head, a second guide slope is provided at the front end of the hook portion, and the width of the locking head along the front-to-back direction gradually decreases from one end close to the supporting portion to one end away from the supporting portion.

[0012] Furthermore, a first positioning column and a second positioning column are symmetrically arranged in the front-to-back direction inside the shell of the cap, the first positioning column abuts against the rivet, and the movable end is provided with a second avoidance portion corresponding to the second positioning column.

[0013] Furthermore, a limiting groove is provided at the lower end of the first positioning column / or the second positioning column for limiting the first riveted component and the second riveted component to be respectively away from the slot, and one end of the first riveted component close to the slot and one end of the second riveted component close to the slot are against the limiting groove.

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

[0015] Furthermore, a first electroplating liquid hole is provided on the slider body, the first electroplating liquid hole passes through the upper wing plate and the lower wing plate, and a second electroplating liquid hole is provided on the first groove and passes through the guide column.

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

[0017] By adopting the above-mentioned design scheme, the beneficial effects of the present invention are as follows: through the first arc-shaped avoidance portion that is recessed downward on the top surface of the pivot end of the horse hook, and through the riveted part covering the first avoidance portion and pivotally connected to the first avoidance portion, at the same time, the elastic member abuts against the pivot end of the horse hook, and pulling the pull tab drives the movable end to move upward to unlock the zipper teeth. At this time, the pivot end presses the elastic member downward; when the pull tab is released, according to the rebound force of the elastic member, the pivot end is driven to rotate along the first positioning portion, so that the hook of the horse hook locks the zipper teeth; at the same time, symmetrical first and second positioning portions are provided. When installing the cap, it is not necessary to judge the front and rear directions for assembly. The cap only needs to be directly riveted to the upper wing plate, eliminating the riveting process of the spring sheet inside the cap in the prior art, so that the zipper head has the advantage of being easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 This is an exploded view of the first embodiment of the present invention in an unriveted state; Figure 3 This is an exploded view of a riveted state of the first embodiment of the present invention; Figure 4 is a cross-sectional view of the first embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of the horse hook in the first embodiment of the present invention; Figure 6 This is an exploded view of the unriveted state of the second embodiment of the present invention; Figure 7 is a cross-sectional view of a second embodiment of the present invention; Figure 8 This is a schematic diagram of the structure of the horse hook in the second embodiment of the present invention; In the figure: the slider body 1, the upper wing plate 11, the lower wing plate 12, the guide column 13, the cap seat 14, the mounting groove 141, the first groove 142, the second groove 143, the step 1431, the rivet 15, the first rivet 151, the second rivet 152, the slot 153, the first electroplating liquid hole 161, the second electroplating liquid hole 162, the cap 2, the first positioning column 21, the limiting groove 211, the second positioning column 22, the horse hook 3, the pivot end 31, the first avoidance portion 311, the second avoidance portion 312, the movable end 32, the stopper 321, the hook portion 322, the bearing portion 3221, the locking head 3222, the first guide slope 3223, the second guide slope 3224, the connecting end 33, and the elastic member 4. DETAILED DESCRIPTION

[0019] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] The terms "first", "second", "third", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units that are inherent to these processes, methods, products or devices.

[0021] Embodiment 1, refer to Figures 1 to 4 A novel zipper head includes a slider body 1, a cap 2, a locking assembly and a pull tab (not shown in the figure), the cap 2 is cast from a metal material, the cap 2 is riveted to the slider body 1 by a riveting machine, and the locking assembly includes a horse hook 3 and an elastic member 4.

[0022] For the convenience of description, this article defines the orientation of the cap 2 as up, the orientation of the slider body 1 as down, the length direction of the cap 2 as front and back, wherein the side close to the guide column 13 is the back, and the side away from the guide column 13 is the front, the width direction of the cap 2 is left and right, and the length of each part of the horse hook 3 along the left and right direction is the thickness of the horse hook 3.

[0023] The locking assembly is disposed between the slider body 1 and the cap 2 and is used to lock or unlock the zipper teeth. The zipper teeth can be locked or unlocked by pulling the pull tab. It is worth noting that the elastic member 4 in this embodiment includes one of a spring, a C-shaped spring or a torsion spring, and is certainly not limited to the above-mentioned elastic member 4.

[0024] The slider 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 are combined to form a roughly Y-shaped slideway for a zipper tooth to pass through. A cap seat 14 extending upward is provided on the upper wing plate 11. The cap 2 is integrally cast and formed by a metal material, but is certainly not limited to metal materials. The cap 2 is a rectangular semi-enclosed shell structure with an opening on one side. The cap 2 is buckled and set on the cap seat 14. At the same time, a riveting mechanism is used to punch a concave point on the side wall of the cap 2 to fix the cap 2 on the cap seat 14.

[0025] Furthermore, the cap seat 14 is provided with a mounting groove 141 for placing the horse hook 3, and the mounting groove 141 is provided with a first groove 142 for placing the elastic member 4 and a second groove 143 that penetrates the upper wing plate 11. It is worth noting that the mounting groove 141 is a rectangular groove with an upper opening, and the length of the rectangular groove along the left and right direction is equivalent to the thickness of the horse hook 3, so as to limit the swing of the horse hook 3 and make the horse hook 3 more stable. It is worth noting that the upper wing plate 11, the lower wing plate 12, the guide column 13, the cap seat 14, the mounting groove 141, the first groove 142 and the second groove 143 are integrally cast and formed by metal materials, and of course are not limited to metal materials.

[0026] The slider body 1 is integrally cast with a rivet 15, a slot 153 is provided in the middle of the rivet 15, and the rivet 15 is divided into a first rivet 151 and a second rivet 152 by the position of the slot 153. The first rivet 151, the second rivet 152 and the slot 153 form a rivet 15 with a U-shaped structure, and one end of the first rivet 151 away from the slot 153 and one end of the second rivet 152 away from the slot 153 are respectively integrally cast and connected with the slider body 1, one end of the first rivet 151 close to the slot 153 and one end of the second rivet 152 close to the slot 153 respectively bypass the first avoidance portion 311, and one end of the first rivet 151 close to the slot 153 and one end of the second rivet 152 close to the slot 153 are riveted together. It is worth noting that, in this embodiment, the slot 153 is the gap between the first riveted component 151 and the second riveted component 152 , that is, the minimum width of the slot 153 can be close to 0.

[0027] Furthermore, the first positioning column 21 and the second positioning column 22 are symmetrically arranged in the front-to-back direction inside the shell of the cap 2, and the cap 2 and the first positioning column 21 and the second positioning column 22 are integrally cast, and the lower end of the first positioning column 21 or the second positioning column 22 is provided with a limiting groove 211 for limiting the separation of the first rivet 151 and the second rivet 152, and the top of the rivet 15 is pressed against the limiting groove 211. The limiting groove 211 limits the separation of the first rivet 151 and the second rivet 152, and also further limits the shaking of the cap 2, making the present invention more stable, and at the same time, the symmetrical first positioning part 21 and the second positioning part 22 are provided. When installing the cap 2, it is not necessary to judge the front-to-back direction for assembly, and the cap 2 only needs to be riveted to the upper wing plate 11, eliminating the riveting process of the spring in the prior art, so that the zipper head has the advantage of being easy to assemble.

[0028] Furthermore, the horse hook 3 is an integrally formed sheet structure, comprising 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 arranged at the front and rear ends of the horse hook 3. The elastic member 4 is arranged in the first groove 142 and the upper end of the elastic member 4 is abutted against the lower end of the pivot end 31. The pivot end 31 is provided with a first avoidance portion 311 corresponding to the first positioning column 21, and the first avoidance portion 311 is an arc-shaped groove that is recessed downward on the top surface of the connecting end 33 near the pivot end 31. The horse hook 3 is pivotally connected to the rivet 15 through the first avoidance portion 311 in the form of an arc-shaped groove; the movable end 32 is provided with a second avoidance portion 312 corresponding to the second positioning column 22, and the second avoidance portion 312 is an arc-shaped groove that is recessed downward on the top surface of the connecting end 33 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 avoidance portion 312 in the form of an arc-shaped groove.

[0029] Furthermore, the movable end 32 includes a stopper 321 and a hook 322. The stopper 321 is arranged in front of the hook 322. A step 1431 for limiting the downward movement of the stopper 321 is arranged on the front side of the second groove 143. The hook 322 passes through the second groove 143 and is connected to the zipper teeth. The hook 322 is movably arranged in the second groove 143 and locks or unlocks the zipper teeth. When the hook 322 is inserted into the second groove 143 and engages with the zipper teeth, the stopper 321 abuts against the step 1431.

[0030] Further, the hook portion 322 includes a bearing portion 3221 and a locking head 3222, the thickness of the bearing portion 3221 is greater than the thickness of the locking head 3222, a first guiding inclined surface 3223 is provided on the left and / or right side of the locking head 3222, and the thickness of the locking head 3222 along the left-right direction gradually decreases from the end close to the bearing portion 3221 to the end away from the bearing portion 3221. That is, when the first guiding inclined surface 3223 is provided on the left side of the locking head 3222, the right side surface of the locking head 3222 and the right side surface of the bearing portion 3221 are located on the same plane; when the first guiding inclined surface 3223 is provided on the right side of the locking head 3222, the left side surface of the locking head 3222 and the left side surface of the bearing portion 3221 are located on the same plane. By setting the first guiding bevel 3223, the hook portion 322 can have a guiding effect when locked on the zipper chain tooth, making the insertion smoother and more labor-saving, facilitating self-locking, and reducing the friction between the hook portion 322 and the zipper chain tooth, thereby reducing the wear of the horse hook 3 and extending the service life.

[0031] Furthermore, the length of the receiving portion 3221 along the front-to-back direction is greater than the length of the locking head 3222 along the front-to-back direction, and a second guiding slope 3224 is provided at the front end of the locking head 3222. Furthermore, the second guiding slope 3224 is provided at the front side of the locking head 3222, and the width of the locking head 3222 along the front-to-back direction gradually decreases from the end close to the receiving portion 3221 to the end away from the receiving portion 3221. The second guiding slope 3224 is provided to enable the hook portion 322 to have a guiding effect when unlocking the zipper teeth, so that the hook portion 322 can be pulled out more smoothly and labor-savingly, and is convenient for unlocking, and can reduce the friction between the hook portion 322 and the zipper teeth, reduce the wear of the horse hook 3, and extend the service life.

[0032] Furthermore, the slider body 1 is provided with a first electroplating liquid hole 161, which penetrates the upper wing plate 11 and the lower wing plate 12, and the first groove 142 is provided with a second electroplating liquid hole 162 which penetrates the guide column 13. The zipper is subjected to multiple water washing, activation, polishing, film removal and other operations before electroplating to make the surface activity of the zipper higher, and then the surface is electroplated. The first electroplating liquid hole 161 and the second electroplating liquid hole 162 can better control the electroplating time and temperature, and the electroplating liquid used has good dispersibility and deep plating ability, high cathode current efficiency, excellent performance, and the obtained electroplating layer has low porosity, high brightness and good plating quality.

[0033] Example 2, refer to Figure 1 , Figures 5 to 7 The difference between this embodiment and the first embodiment is that the movable end 32 includes a stopper 321 and a hook 322, the stopper 321 is arranged behind the hook 322, a step 1431 is arranged on the rear side of the second groove 143 to limit the downward movement of the stopper 321, the hook 322 passes through the second groove 143 and is connected to the zipper teeth, the hook 322 is movably arranged in the second groove 143 and locks or unlocks the zipper teeth. When the hook 322 is inserted into the second groove 143 and engages with the zipper teeth, the stopper 321 abuts against the step 1431.

[0034] When assembling the zipper head of the present invention, first, one end of the elastic member 4 is placed in the first positioning groove 144, and the elastic member 4 is fixed relative to the upper wing plate 12; then, the horse hook 3 is placed in the installation groove 141 and located between the first rivet member 151 and the second rivet member 152, so that the pivot end 31 abuts against the elastic member 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 one end thereof close to each other by a riveting mechanism, so that the pivot end 31 of the horse hook 3 is limited below the first rivet 151 and the second rivet 152; then, the cap 2 is sleeved on the cap seat 14 from top to bottom, so that the limiting groove 211 of the first positioning column 21 of the cap 2 is pressed against the rivet 15 (the upper surface of the first rivet 151 and the second rivet 152) to prevent the horse hook 3 from detaching from between the first rivet 151 and the second rivet 152; finally, a riveting mechanism is used to punch a concave point on the side wall of the cap 2, so that the cap 2 is fixed on the cap seat 14, thereby completing the assembly of the zipper head.

[0035] When an external force is applied to lift the hook 3 upward through a pull tab, the hook 3 is pulled by the pull rod of the pull tab and rotates clockwise around the rivet 15 through the first avoidance portion 311, the pivot end 31 presses downward against the elastic member 4, and the hook 322 is pulled out of the second groove 143 of the upper wing plate 12 to unlock the zipper head. After the external force is removed, the elastic member 4 rebounds and pushes the pivot end 31 upward, causing the hook 3 to rotate counterclockwise around the rivet 15, and the hook 322 is reinserted into the second groove 143 to self-lock the zipper head.

[0036] As can be seen from the above description, the present invention provides a riveting member 15 and a first avoidance portion 311 of the hook 3, so that the hook 3 is pivotally connected to the cap 2, one end of the elastic member 4 is fixed on the upper wing plate 12, and the other end is in contact with the pivot end 31, so that during operation, the hook 3 can be subjected to a relatively stable elastic force. Moreover, when assembling the zipper head, it is only necessary to rivet the cap 2 on the upper wing plate 12, eliminating the riveting process of the spring sheet in the prior art, so that the zipper head has the advantage of being easy to assemble; the hook 3 is provided on the installation groove 141, which can limit the hook 3 and prevent the hook 3 from shifting, effectively improving the stability of the zipper head; at the same time, a symmetrical first positioning portion 21 and a second positioning portion 22 are provided, so that when installing the cap 2, it is not necessary to judge the front and rear direction of the cap 2 for assembly, and it is only necessary to rivet the cap 2 on the upper wing plate 11, eliminating the riveting process of the spring sheet in the prior art, so that the zipper head has the advantage of being easy to assemble.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of zipper head, characterized in that: The zipper comprises a slider body, a cap connected to the slider body, and a locking assembly arranged between the slider body and the cap and used for locking or unlocking the zipper teeth, the locking assembly comprising a horse hook and an elastic member, the slider body is provided with a mounting groove for placing the horse hook, the horse hook comprises a pivot end and a movable end, the mounting groove is provided with a first groove for placing the elastic member, the elastic member is arranged in the first groove and the upper end portion abuts against the lower end of the pivot end, the slider body is provided with a rivet, the two ends of the rivet are arranged on the mounting groove of the slider body, the top surface of the pivot end is a first arc-shaped avoidance portion which is recessed downward, and the horse hook is pivotally connected to the middle portion of the rivet through the first avoidance portion.

2. A novel zipper pull according to claim 1, characterized in that: A slot is provided in the middle of the riveted part, and the riveted part is divided into a first riveted part and a second riveted part by the slot. One end of the first riveted part away from the slot and one end of the second riveted part away from the slot are respectively fixedly connected to the slider body, one end of the first riveted part close to the slot and one end of the second riveted part close to the slot respectively bypass the first avoidance portion, and the two are riveted together.

3. The novel zipper pull according to claim 1, characterized in that: The slider body includes an upper wing plate, a lower wing plate and a guide column connecting the upper wing plate and the lower wing plate, the upper wing plate is upwardly extended with a cap seat, the mounting groove is arranged on the cap seat, the mounting groove corresponds to the position of the movable end and is provided with a second groove penetrating the upper wing plate, the movable end can be movably arranged in the second groove and lock or unlock the chain teeth of the zipper.

4. The novel zipper pull according to claim 1, 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 stopper and a hook. The stopper is arranged at the front end or the rear end of the hook. A step is arranged on the second groove to limit the downward movement of the stopper. 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, a first guide slope is provided on the left side and / or right side of the locking head, and the thickness of the locking head along the left and right directions gradually decreases from one end close to the bearing portion to the end away from the bearing portion.

6. The novel zipper pull according to claim 4, characterized in that: The hook portion includes a bearing portion and a locking head. A second guiding slope is arranged at the front end of the hook portion. The width of the locking head along the front-to-back direction gradually decreases from an end close to the bearing portion to an end away from the bearing portion.

7. The novel zipper pull according to claim 1, characterized in that: The shell of the cap has a first positioning column and a second positioning column symmetrically arranged in the front-to-back direction, the first positioning column abuts against the rivet, and the movable end is provided with a second avoidance portion corresponding to the second positioning column.

8. The novel zipper pull according to claim 7, characterized in that: The lower end of the first positioning column and / or the lower end of the second positioning column is provided with a limiting groove for limiting the first riveted component and the second riveted component to be respectively away from the slot, and the slot of the riveted component abuts against the limiting groove.

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

10. The novel zipper pull according to claim 1, characterized in that: The slider body is provided with a first electroplating liquid hole, which passes through the upper wing plate and the lower wing plate, and the first groove is provided with a second electroplating liquid hole which passes through the guide column.

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