CN212938352U

CN212938352U - Zipper head

Info

Publication number: CN212938352U
Application number: CN202022478497.1U
Authority: CN
Inventors: 林志强; 林志静; 伍永贵
Original assignee: Wenzhou Hongye Technology Co ltd
Current assignee: Wenzhou Hongye Technology Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-04-13
Anticipated expiration: 2030-10-31

Abstract

The application relates to a zipper puller, which comprises a puller body, a cap buckle and a pull handle, wherein one end of the cap buckle is hinged with the puller body, the other end of the cap buckle is fixedly provided with a connecting block, the puller body is provided with a connecting groove for the connecting block to extend into, when the connecting block extends into the connecting groove, a connecting cavity is formed between the cap buckle and the puller body, and the pull handle is provided with a abdicating hole for the side wall of the cap buckle to pass through; the puller body is provided with a locking piece, the locking piece comprises a locking block and a locking spring, the side wall of the connecting groove is provided with the locking groove, one end of the locking spring abuts against the inner wall of the locking groove, the other end of the locking spring is fixedly connected with the locking block, the side surface of the connecting block is provided with a limiting groove for the locking block to extend into, and when the connecting block extends into the connecting groove, the locking block extends into the limiting groove under the action of the locking spring; the slider body is provided with a moving piece for moving the locking block out of the limiting groove. This application has the effect that replacement cost is little after the pull handle damages.

Description

Zipper head

Technical Field

The application relates to the technical field of zippers, in particular to a zipper puller.

Background

The zipper is a connecting piece which enables articles to be combined or separated by means of continuously arranged zipper teeth, and is widely applied to production and processing of clothes, packaging bags, tents and the like. The slide fastener is composed of elements, a slider, an upper stop and a lower stop or a locking piece, and the like, wherein the slider is a moving part for enabling the elements to be meshed and unzipped.

In the related art, chinese patent No. CN2368333Y discloses a zipper slider, which includes a slider body, a separating and combining groove for separating and combining rails to pass through and a positioning pull handle are disposed on the slider body, a closed positioning ring is disposed on the slider body, and a closed linking structure is formed by a pull ring on the pull handle and the positioning ring. The zipper head is produced by one-step molding of plastic, and the pull ring of the pull handle and the positioning ring of the zipper head form a closed linking structure, so that the pull handle is not easy to separate from the zipper head.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the zipper puller is formed by plastic in one step, the pull handle and the zipper puller body cannot be detached, the pull handle is easily damaged due to frequent friction in actual use, the whole zipper puller can only be scrapped after the pull handle is damaged, and the replacement cost is high and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to reduce the replacement cost after the pull handle damages, this application provides a draw zipper head.

The application provides a draw zipper head adopts following technical scheme:

a zipper puller comprises a puller body, a cap buckle and a pull handle, wherein one end of the cap buckle is hinged with the puller body, the other end of the cap buckle is fixedly provided with a connecting block, the puller body is provided with a connecting groove for the connecting block to extend into, when the connecting block extends into the connecting groove, a connecting cavity is formed between the cap buckle and the puller body, and the pull handle is provided with a abdicating hole for the side wall of the cap buckle to pass through; the zipper head comprises a zipper head body and is characterized in that a locking piece is arranged on the zipper head body, the locking piece comprises a locking block and a locking spring, a locking groove is formed in the side wall of a connecting groove, one end of the locking spring abuts against the inner wall of the locking groove, the other end of the locking spring is fixedly connected with the locking block, a limiting groove for the locking block to extend into is formed in the side face of a connecting block, and when the connecting block extends into the connecting groove, the locking block extends into the limiting groove under the action of the locking spring; the slider body is provided with a moving piece for moving the locking block out of the limiting groove.

By adopting the technical scheme, when the pull handle is assembled, the cap buckle is firstly rotated towards one side far away from the pull head main body, and then the pull handle is moved so that the side wall of the cap buckle penetrates into the abdicating hole; then the cap buckle is rotated to one side close to the puller body, so that the connecting block extends into the connecting groove, the locking block extends into the limiting groove under the action of the locking spring, and the connecting block is limited to move out of the connecting groove. The end of the pull handle is now locked in the connection cavity by the cap buckle, which does not separate from the slider body when the pull slider body is moved. After the pull handle breaks and damages, make the locking block shift out the spacing groove through the moving member earlier, rotate cap buckle to the one side of keeping away from the pull head main part again for connecting block and spread groove separation, thereby split pull handle and cap buckle so that change new pull handle, need not to scrap whole pull zipper head after the pull handle damages, and the replacement cost is little.

Preferably, the moving member includes fixing the carriage release lever that keeps away from spread groove one side at the locking block, the locking groove is kept away from and is equipped with the removal hole on the lateral wall of spread groove, the carriage release lever is worn to establish in removing the hole and one end surpasss the pull head main part.

Through adopting above-mentioned technical scheme, when demolising the pull handle, can surpass the outside pulling of the tip of pull head main part with the carriage release lever to drive the locking piece and shift out the spacing groove, need not during the operation with the help of other instruments, pull handle easy dismounting.

Preferably, a shifting block is fixed at one end of the moving rod, which exceeds the slider body, and one side edge of the shifting block exceeds the slider body.

Through adopting above-mentioned technical scheme, to the small zipper head that draws, the carriage release lever is owing to the inconvenient staff direct operation of its small size, and people can surpass the tip of pull head main part with the finger effect at the shifting block this moment to drive the carriage release lever and remove, the mode finger that compares in direct pulling carriage release lever is difficult for more slippage.

Preferably, a return spring is fixed on the side wall of the connecting groove far away from the opening of the connecting groove.

Through adopting above-mentioned technical scheme, when demolising the pull handle, after the locking block shifted out the spacing groove, reset spring had the effort towards spread groove opening direction to the connecting block for the cap is detained and is rotated to the one side of keeping away from the pull head main part automatically, has improved the efficiency of demolising of pull handle.

Preferably, a reset block is fixed at the end of the reset spring.

Through adopting above-mentioned technical scheme, reset block has increased the area of contact of reset spring with the connecting block, has improved reset spring's effect that resets.

Preferably, a rubber pad is fixed at one end of the reset block, which is far away from the reset spring.

Through adopting above-mentioned technical scheme, the rubber pad separates to keep off between reset block and connecting block, not only plays the absorbing effect of buffering, still makes even reset block and the difficult production wearing and tearing of connecting block, has prolonged the life who draws zipper head.

Preferably, one end of the inner wall of the abdicating hole, which is close to the hinge of the cap buckle, is provided with a concave arc surface.

Through adopting above-mentioned technical scheme, when the pull handle drove the pull head main part and removes, cap buckle lateral wall can with the pore wall butt of the hole of stepping down, the setting of concave cambered surface has improved the smooth and easy degree when the relative cap buckle of pull handle removes.

Preferably, a compression ring is hinged to one side, close to the cap buckle, of the slider main body, a horse hook is fixed to one side, close to the slider main body, of the compression ring, a through hole for a tooth chain to penetrate through is formed in the slider main body, and an elastic sheet is fixed to one side, close to the slider main body, of the cap buckle; when the connecting block stretches into the connecting groove, the spring plate presses the end part of the hook into the through hole, and one side of the pressing ring, which is close to the connecting block, is provided with a positioning hole for the end part of the pull handle to stretch into.

By adopting the technical scheme, when the zipper head is assembled with the zipper belt for use, the zipper teeth of the zipper belt are arranged in the through holes in a penetrating mode, and the hook hooks can be embedded into gaps of the zipper teeth under the action of the elastic pieces, so that the zipper cannot automatically slide open after being pulled and closed. The lateral wall of clamping ring wears to establish in the hole of stepping down, and when the pull handle moved to the one side of keeping away from the pull head main part, the clamping ring can drive the horse hook along with pull handle synchronous movement and extrusion shell fragment to make horse hook and chain separation. The locating hole can supply the tip immigration of pull handle or shift out the clamping ring, has ensured the dismouting of pull handle and clamping ring.

Preferably, the opening of the positioning hole is gradually increased from the side far away from the connecting block to the side close to the connecting block.

Through adopting above-mentioned technical scheme, the opening that the locating hole is close to connecting block one end is big, has the effect that makes things convenient for the pull handle tip to stretch into the clamping ring, has improved the assembly efficiency of pull handle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cap buckle is hinged with the pull head main body, and one side of the cap buckle can be opened, so that the pull handle and the pull head main body can be detached, and the pull handle can be detached and replaced independently when damaged, so that the replacement cost is low compared with the mode of scrapping the whole zipper head, and resources are saved;

2. when the pull handle is assembled, the cap buckle is rotated firstly to enable the connecting block to extend into the connecting groove, the side wall of the cap buckle penetrates into the abdicating hole, then the locking block extends into the limiting groove, the locking spring has acting force towards the limiting groove direction on the locking block, so that the connecting block is not easy to separate from the connecting groove, and the pull handle is not easy to separate from the cap buckle;

3. after the connecting block stretched into the spread groove, reset spring had the effort towards spread groove opening direction to the connecting block, and locking block and spacing groove after-separating, this effort can order about the connecting block and remove to the one side of keeping away from the spread groove automatically, has improved the efficiency of demolising of pull handle.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application;

fig. 3 is an enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. a slider body; 11. a through hole; 12. connecting grooves; 121. a return spring; 122. a reset block; 123. a rubber pad; 13. a locking groove; 14. a travel bar; 15. moving the hole; 16. shifting blocks; 2. a cap buckle; 21. connecting blocks; 211. a limiting groove; 22. a spring plate; 3. pulling a handle; 31. a hole of abdication; 32. a concave arc surface; 4. a connecting cavity; 5. pressing a ring; 51. pressing the hole; 52. a horse hook; 53. positioning holes; 6. a locking member; 61. a locking block; 62. a locking spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a zipper head. Referring to fig. 1 and 2, the zipper head includes a slider body 1, a cap button 2 and a pull handle 3, a through hole 11 extending horizontally is provided on the slider body 1, and when the slider body 1 is assembled with a chain belt for use, a part of the chain belt is located in the through hole 11.

Referring to fig. 1 and 2, one end of the cap buckle 2 is hinged to the slider body 1, the other end of the cap buckle 2 is fixed with a connecting block 21, a connecting groove 12 is arranged on the end surface of the slider body 1 close to the cap buckle 2, and the connecting groove 12 is located at one end of the slider body 1 far away from the hinged position of the slider body and the cap buckle 2. When the connecting block 21 is inserted into the connecting groove 12, a connecting cavity 4 is formed between the cap buckle 2 and the slider body 1, and the connecting cavity 4 can be used for the end part of the pull handle 3 to extend into.

Referring to fig. 1 and 2, the pull handle 3 is provided with a yielding hole 31, the width of the yielding hole 31 is greater than the thickness of the sidewall of the cap buckle 2, and one end of the inner wall of the yielding hole 31, which is close to the cap buckle 2, is provided with a concave arc surface 32. When the pull handle 3 is connected with the cap buckle 2, the side wall of the abdicating hole 31 is positioned in the connecting cavity 4, and the side wall of the cap buckle 2 is positioned in the abdicating hole 31. When the pull handle 3 drives the pull head main body 1 to move, the cap buckle 2 can contact with the side wall of the abdicating hole 31, and the concave cambered surface 32 is a curved surface, so that the smoothness of the pull handle 3 relative to the cap buckle 2 during moving is improved.

Referring to fig. 2, a press ring 5 is hinged to one side of the slider body 1 close to the cap buckle 2, the press ring 5 is made of sheet metal and has certain elastic deformation capacity, the press ring 5 is annular, a press hole 51 is formed in the middle of the press ring 5, and a horse hook 52 is integrally formed on one side of the press ring 5 close to the slider body 1. A spring piece 22 is fixed on one side of the cap buckle 2 close to the slider body 1, and the spring piece 22 is in a convex arc shape protruding towards one side of the slider body 1. When the free end of the cap buckle 2 is connected with the slider body 1, the spring piece 22 can press the press ring 5 downwards and enable the horse hook 52 to be embedded into the space between the zipper teeth, so that the zipper cannot automatically slide open after being closed.

Referring to fig. 2, a positioning hole 53 communicated with the press hole 51 is formed in one side of the press ring 5 close to the connecting block 21, the opening of the positioning hole 53 is gradually enlarged from one side far away from the connecting block 21 to one side close to the connecting block 21, and the minimum distance between two opposite side walls of the positioning hole 53 is slightly smaller than the thickness of the pull handle 3. The positioning hole 53 can be used for the end of the pull handle 3 to extend into, so that the pull handle 3 is connected with the press ring 5, the pull handle 3 drives the press ring 5 and the hook 52 to move conveniently, and the hook 52 moves into or out of the through hole 11.

Referring to fig. 2 and 3, the slider body 1 is provided with a locking piece 6, the locking piece 6 comprises a locking block 61 and a locking spring 62, a locking groove 13 extending along the horizontal direction is arranged on the inner wall of the connecting groove 12, and the locking groove 13 is positioned on one side of the connecting groove 12 far away from the hinged end of the cap buckle 2. One end of the locking spring 62 abuts against the side wall of the locking groove 13 far away from the connecting groove 12, the other end of the locking spring 62 is fixedly connected with the locking block 61, and when the locking spring 62 is in a natural state, the locking block 61 extends into the connecting groove 12 under the action of the locking spring 62.

Referring to fig. 2 and 3, the slider body 1 is further provided with a moving member, the moving member includes a moving rod 14 fixedly connected with the locking block 61, the moving rod 14 is located on one side of the locking block 61 far away from the connecting groove 12, and the locking spring 62 is sleeved on the outer side of the moving rod 14. A moving hole 15 is formed on a side wall of the locking groove 13 away from the connecting groove 12, and a moving rod 14 is inserted into the moving hole 15 and has one end protruding out of the slider body 1. A shifting block 16 is fixed on the outer side of one end of the moving rod 14 penetrating through the slider body 1, and the side edge of the shifting block 16 close to the cap buckle 2 exceeds the slider body 1. The shifting block 16 is manually operable to drive the moving rod 14 along the moving hole 15, thereby moving the end of the locking block 61 into or out of the connecting groove 12.

Referring to fig. 2 and 3, a limiting groove 211 is formed in the side wall of the connecting block 21, the limiting groove 211 is formed in the end face of the connecting block 21, which is far away from the hinge of the cap buckle 2, the length of the limiting groove 211 is slightly greater than that of the locking block 61, and the width of the limiting groove 211 is slightly greater than that of the locking block 61. When the pull handle 3 is assembled, the locking block 61 is pulled outwards by the shifting block 16, so that the locking block 61 moves out of the connecting groove 12, and meanwhile, the connecting block 21 is inserted into the connecting groove 12; after the locking block 61 is aligned with the limiting groove 211, the shifting block 16 is loosened, the locking block 61 can extend into the limiting groove 211 under the action of the locking spring 62, so that the connecting block 21 is prevented from being separated from the connecting groove 12, and the connection strength of the cap buckle 2 and the slider body 1 is high.

Referring to fig. 2 and 3, a return spring 121 is fixed on a side wall of the connecting groove 12 away from the opening thereof, a return block 122 is fixed at one end of the return spring 121 close to the opening of the connecting groove 12, and a rubber pad 123 is fixed on an end surface of the return block 122 away from the return spring 121. When the connecting block 21 is inserted into the connecting groove 12 and pressed downward, the limit groove 211 is aligned with the locking block 61 when the return spring 121 reaches the maximum compression state. After the locking block 61 moves out of the limiting groove 211, the connecting block 21 can automatically rotate to one side far away from the connecting groove 12 under the action of the elastic force of the return spring 121, so that the splitting efficiency of the end part of the cap buckle 2 and the puller body 1 is improved, and the pulling handle 3 is high in splitting and replacing efficiency.

The implementation principle of the zipper head of the embodiment of the application is as follows: when the pull handle 3 is assembled, the cap buckle 2 is firstly rotated to move the connecting block 21 out of the connecting groove 12, then the pull handle 3 is sleeved into the side wall of the cap buckle 2, so that the side wall of the cap buckle 2 penetrates through the abdicating hole 31, and the end part of the pull handle 3 extends into the connecting cavity 4. The locking block 61 is then driven by the shifting block 16 to move out of the coupling groove 12 while the cap buckle 2 is rotated to insert the connecting block 21 into the coupling groove 12 until the return spring 121 reaches the maximum compression. After the shifting block 16 is loosened, the locking block 61 is embedded into the limiting groove 211 under the action of the locking spring 62, so that the connecting block 21 is limited to move out of the connecting groove 12, the cap buckle 2 is not easy to separate from the slider body 1, and the pull handle 3 is not easy to separate. After the pull handle 3 is damaged, the shifting block 16 is pulled towards one side far away from the locking block 61, so that the locking block 61 is moved out of the limiting groove 211, the connecting block 21 can pop up under the action of the reset spring 121, people can rotate the cap buckle 2 towards one side far away from the pull head body 1, so that the connecting cavity 4 is opened, the pull handle 3 can be conveniently and independently replaced, the whole pull head does not need to be scrapped, and resources are saved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a draw zipper head, includes pull head main part (1), cap button (2) and pull handle (3), its characterized in that: one end of the cap buckle (2) is hinged with the puller main body (1), the other end of the cap buckle (2) is fixed with a connecting block (21), the puller main body (1) is provided with a connecting groove (12) for the connecting block (21) to extend into, when the connecting block (21) extends into the connecting groove (12), a connecting cavity (4) is formed between the cap buckle (2) and the puller main body (1), and the pull handle (3) is provided with a abdicating hole (31) for the side wall of the cap buckle (2) to pass through; the slider is characterized in that a locking piece (6) is arranged on the slider body (1), the locking piece (6) comprises a locking block (61) and a locking spring (62), a locking groove (13) is formed in the side wall of the connecting groove (12), one end of the locking spring (62) abuts against the inner wall of the locking groove (13), the other end of the locking spring (62) is fixedly connected with the locking block (61), a limiting groove (211) for the locking block (61) to extend into is formed in the side face of the connecting block (21), and when the connecting block (21) extends into the connecting groove (12), the locking block (61) extends into the limiting groove (211) under the action of the locking spring (62); the slider body (1) is provided with a moving piece for moving the locking block (61) out of the limiting groove (211).

2. A slider according to claim 1, wherein: the moving member is including fixing removal pole (14) of keeping away from connecting groove (12) one side at locking block (61), locking groove (13) are kept away from and are equipped with removal hole (15) on the lateral wall of connecting groove (12), removal pole (14) are worn to establish in removal hole (15) and one end surpasss pull head main part (1).

3. A slider according to claim 2, wherein: one end of the moving rod (14) exceeding the slider body (1) is fixed with a shifting block (16), and one side edge of the shifting block (16) exceeds the slider body (1).

4. A slider according to claim 1, wherein: and a return spring (121) is fixed on the side wall of the connecting groove (12) far away from the opening of the connecting groove.

5. The slider according to claim 4, wherein: and a reset block (122) is fixed at the end part of the reset spring (121).

6. The slider according to claim 5, wherein: and a rubber pad (123) is fixed at one end of the reset block (122) far away from the reset spring (121).

7. A slider according to claim 1, wherein: one end of the inner wall of the abdicating hole (31) close to the hinge of the cap buckle (2) is provided with a concave cambered surface (32).

8. A slider according to claim 1, wherein: a pressing ring (5) is hinged to one side, close to the cap buckle (2), of the slider main body (1), a horse hook (52) is fixed to one side, close to the slider main body (1), of the pressing ring (5), a through hole (11) for a tooth chain to penetrate through is formed in the slider main body (1), and an elastic sheet (22) is fixed to one side, close to the slider main body (1), of the cap buckle (2); when connecting block (21) stretched into spread groove (12), shell fragment (22) impressed clevis (52) tip through-hole (11), one side that clamping ring (5) were close to connecting block (21) is equipped with locating hole (53) that confession pull handle (3) tip stretched into.

9. A slider according to claim 8, wherein: the opening of the positioning hole (53) is gradually increased from one side far away from the connecting block (21) to one side close to the connecting block (21).