CN218185578U

CN218185578U - Plastic auto-lock zipper head easy to assemble

Info

Publication number: CN218185578U
Application number: CN202222225720.0U
Authority: CN
Inventors: 程春银
Original assignee: Anhui Yinlong Plastic Technology Co ltd
Current assignee: Anhui Yinlong Plastic Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-03
Anticipated expiration: 2032-08-24

Abstract

The utility model belongs to the technical field of zipper puller, in particular to an easy-to-install full plastic self-locking zipper puller, which comprises a zipper body, a top cover and a pull tongue, wherein the top cover is clamped above the zipper body, the front end of the zipper body is provided with a horizontally arranged inverted convex groove, a front top block and a rear top block are arranged above the zipper body, and a vertically arranged limiting through groove is arranged in the middle of the rear top block; the top cover comprises a strip-shaped cover plate, the bottom of the strip-shaped cover plate is provided with a front hook body and a rear hook body, and the bottom of the rear hook body is provided with two locking claws; the front end of the bottom of the strip-shaped cover plate is provided with a front guide sheet, and the rear end of the bottom of the strip-shaped cover plate is provided with a rear guide sheet. Compared with the prior art, the utility model has the following advantages: the overall design is reasonable, the parts of the zipper head are reduced, the zipper has better connection strength and pull-off prevention effect, the reasonable arrangement of the L-shaped clamping plate and the inclined guide surface simplifies the installation process, and the yield is high; all parts are made of plastic materials, do not contain metal materials, accord with the international plastic-limited ban, are convenient to recycle again, and meet the international environmental protection requirement.

Description

Plastic auto-lock zipper head easy to assemble

Technical Field

The utility model belongs to the technical field of draw zipper head, concretely relates to plastic auto-lock that easy to assemble draws zipper head.

Background

In the existing self-locking zipper puller, a hook locks a zipper inserted into a zipper tooth, and no matter a double-claw hook or a single-claw hook is clamped according to the zipper on one side corresponding to the position of the hook, so that the problem that the stress is deflected to one side during clamping exists; in addition, the existing self-locking zipper puller is usually clamped and fixed with a zipper puller main body by a cover cap, and in order to ensure the clamping stability, the structure is more complex, and the production cost is higher, for example, the automatic locking zipper puller with the patent number of 971108250 comprises a main body, a pull tongue, a locking piece and a cover; 2014106853205 zipper head assembly structure, including a zipper head body, an elastic element, a pull tab, a pull guide block, a hook and a pivot; therefore, it should be studied how to simplify the structure of the slider while satisfying stable clamping.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastic auto-lock zipper puller easy to assemble to the current zipper puller subassembly is more, the higher problem of manufacturing cost.

The utility model discloses a realize through following technical scheme: a full-plastic self-locking zipper puller convenient to mount comprises a zipper body, a top cover and a pull tongue, wherein the top cover is clamped above the zipper body, the zipper body comprises an upper wing plate, a lower wing plate and a guide pillar, a horizontally arranged inverted convex groove is arranged at the front end of the zipper body, a group of front ejector blocks which are arranged in a bilateral symmetry mode are arranged above the inverted convex groove, a front guide surface is arranged on the rear side of each front ejector block, a rear ejector block is arranged behind the front ejector block, a rear guide surface is arranged on the front side of each rear ejector block, and a vertically arranged limiting through groove is formed in the middle of each rear ejector block; a rectangular open groove is formed in the rear side of the upper wing plate, and the front end of the rectangular open groove is located below the rear jacking block;

the top cover comprises a strip-shaped cover plate, the bottom of the front side of the strip-shaped cover plate is connected with an inward-bent front hook body, the bottom of the front hook body is provided with an L-shaped clamping plate which is bent forward, the bottom of the rear side of the strip-shaped cover plate is connected with an inward-bent rear hook body, the upper surface of the rear hook body is provided with a vertical clamping piece close to the front, the bottom of the rear hook body is provided with two locking claws, and the two locking claws are positioned on the diagonal line of the bottom surface of the rear hook body; the front end of the bottom of the strip-shaped cover plate is provided with a front guide sheet, and the rear end of the bottom of the strip-shaped cover plate is provided with a rear guide sheet;

the pull tongue is provided with a U-shaped groove, the front end of the U-shaped groove is fixedly provided with a column-shaped cross rod, and the inner side of the column-shaped cross rod is provided with a clamping convex block.

In order to reasonably clamp the front hook body and the L-shaped clamping plate, the inverted convex groove comprises an upper groove and a lower groove, the upper groove is matched with the front hook body, and the lower groove is matched with the L-shaped clamping plate.

Specifically, the width of the rectangular open slot is matched with the rear hook body; after the top cover is clamped with the zipper body, the vertical clamping piece is positioned in the center of the rectangular slot;

the reasonable arrangement of the front hook body and the rear hook body ensures that the front and the rear of the top cover are matched with the front and the rear of the zipper body when the top cover is clamped above the zipper body.

Specifically, the interval between the preceding kicking blocks and the width phase-match of preceding guide vane, back guide vane, wherein preceding guide vane is located between the preceding kicking blocks, improves the stability behind top cap and the zip fastener main part joint.

Specifically, the outer edge of the clamping convex block is an arc surface, so that the clamping convex block can smoothly rotate when rotating.

Specifically, the upper end of the front side face of the front ejector block is provided with an inclined guide face which plays a role in guiding the L-shaped clamping plate during installation; the bottom of the strip-shaped cover plate is provided with an inclined clamping surface corresponding to the inclined guide surface, and the inclined clamping surface is matched with the inclined guide surface.

Specifically, the thickness of the vertical clamping piece is not more than 1/5 of the length of the limiting through groove, and the vertical clamping piece is clamped into the limiting through groove in an inclined mode in an initial state.

After the top cover is clamped with the zipper main body, the front guide surface, the rear guide surface, the front guide piece and the rear guide piece form a structure similar to a diamond, a cross rod of the pull tongue has a certain moving space, and when the pull tongue is perpendicular to the zipper main body, the clamping convex block generates upward jacking force on the strip-shaped cover plate, so that the two lock claws are driven to be upward, the zipper is in an unlocked state, and the zipper is convenient to pull at the moment; the zipper is in a locked state when the pull tab is up or down.

When the installation, place the pull tongue in between preceding leading surface and the back leading surface, then follow zip fastener main part rear portion with the vertical card of top cap from down up insert spacing logical inslot, press down the bar apron front end, L type cardboard slides down along the slope leading surface and blocks in going into the undercut type recess, accomplish the installation.

The conventional self-locking zipper puller is usually clamped and limited by arranging a metal hook elastic sheet, but the metal hook elastic sheet has a small overall structure and is relatively complex to install, so that the assembly efficiency is influenced; and need to separate metal hook shell fragment and plastic part when retrieving, be unfavorable for retrieving.

Compared with the prior art, the utility model has the following advantages: the integral design is reasonable, the parts of the zipper head are reduced, the vertical clamping piece and the L-shaped clamping plate realize the clamping stability of the zipper main body in multiple directions from front to back, so that the zipper has better connection strength and pull-off prevention effect, the reasonable arrangement of the L-shaped clamping plate and the inclined guide surface simplifies the installation process, and compared with the existing self-locking zipper head, the assembly efficiency is high, and the yield is high; all parts are made of plastic materials, do not contain metal materials, accord with the international plastic-limited ban, are convenient to recycle again, and meet the international environmental protection requirement.

Drawings

Fig. 1 is a schematic view of the exploded structure of the present invention.

Fig. 2 is a schematic view of the structure of the slide fastener body.

FIG. 3 is a plan view of the fastener body.

FIG. 4 is a rear view of the zipper body.

Fig. 5 is a schematic structural view of the top cover.

Fig. 6 is a side view of the top cover.

Fig. 7 is a bottom view of the top cover.

The zipper comprises a zipper body 1, an upper wing plate 11, an upper groove 111, a rectangular groove 112, a guide post 12, a lower groove 121, a front top block 13, an inclined guide surface 131, a front guide surface 132, a rear top block 14, a rear guide surface 141, a limiting through groove 142, a top cover 2, a strip-shaped cover plate 21, a front hook 22, a clamping plate 221L, an inclined clamping surface 222, a rear hook 23, a vertical clamping plate 231, a first locking claw 232, a second locking claw 233, a front guide 24, a rear guide 25, a pull tab 3, a groove 31U, a cross bar 32 and a clamping convex block 321.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-7, an all-plastic self-locking zipper slider convenient to mount comprises a zipper main body 1, a top cover 2 and a pull tab 3, wherein the top cover 2 is clamped above the zipper main body 1, the zipper main body 1 comprises an upper wing plate 11, a lower wing plate and a guide post 12, the front end of the zipper main body 1 is provided with a horizontally arranged inverted convex groove, the inverted convex groove comprises an upper groove 111 and a lower groove 121, the upper groove 111 is matched with a front hook body 22, and the lower groove 121 is matched with an L-shaped clamping plate 221, wherein the upper groove 111 is a groove on the upper wing plate 11, and the lower groove 121 is a groove on the guide post 12; a group of front top blocks 13 which are arranged in bilateral symmetry are arranged above the inverted convex groove, and the separated structure is mainly matched with a front guide sheet 24 at the bottom of the top cover 2 to play a limiting role in the left-right direction; the upper end of the front side surface of the front ejector block 13 is provided with an inclined guide surface 131 which plays a role in guiding the L-shaped clamping plate 221 when being installed, the rear side of the front ejector block 13 is provided with a front guide surface 132, the corresponding rear part of the front ejector block 13 is provided with a rear ejector block 14, the front side of the rear ejector block 14 is provided with a rear guide surface 141, and the middle of the rear ejector block 14 is provided with a vertically arranged limiting through groove 142; a rectangular open slot 112 is formed in the rear side of the upper wing plate 11, the front end of the rectangular open slot 112 is located below the rear ejector block 14, and the width of the rectangular open slot 112 is matched with that of the rear hook body 23;

the top cover 2 comprises a strip-shaped cover plate 21, and an inclined clamping surface 222 is arranged at the bottom of the strip-shaped cover plate 21 corresponding to the inclined guide surface 131 and matched with the inclined guide surface 131; the bottom of the front side of the strip-shaped cover plate 21 is connected with the front hook body 22 which is bent inwards, the bottom of the front hook body 22 is provided with an L-shaped clamping plate 221 which is bent forwards, the bottom of the rear side of the strip-shaped cover plate 21 is connected with the rear hook body 23 which is bent inwards, the upper surface of the rear hook body 23 is provided with a vertical clamping piece 231 close to the front, the thickness of the vertical clamping piece 231 is not more than 1/5 of the length of the limiting through groove 142, and the vertical clamping piece can be clamped into the limiting through groove 142 in an inclined mode conveniently in an initial state; after the top cover 2 is clamped with the zipper body 1, the vertical clamping piece 231 is positioned at the center of the rectangular slot 112; the bottom of the rear hook body 23 is provided with a first locking claw 232 and a second locking claw 233 which are positioned on the diagonal of the bottom surface of the rear hook body 23; the front end of the bottom of the strip-shaped cover plate 21 is provided with a front guide vane 24, the rear end of the bottom of the strip-shaped cover plate is provided with a rear guide vane 25, the distance between the front top blocks 13 is matched with the width of the front guide vane 24 and the width of the rear guide vane 25, the front guide vane 24 is positioned between the front top blocks 13, and the stability of the top cover 2 after being clamped with the zipper main body 1 is improved; the front hook body 22 and the rear hook body 23 are reasonably arranged, so that when the top cover 2 is clamped above the zipper main body 1, the front and the rear of the top cover 2 are matched with the front and the rear of the zipper main body 1;

the pull tab 3 is provided with a U-shaped groove 31, the front end of the U-shaped groove 31 is fixed with a column-shaped cross rod 32, the inner side of the column-shaped cross rod 32 is provided with a clamping convex block 321, and the outer edge of the clamping convex block 321 is an arc surface, so that the clamping convex block 321 can rotate smoothly when rotating.

The working principle is that after the top cover 2 is clamped with the zipper body 1, the front guide surface 132, the rear guide surface 141, the front guide piece 24 and the rear guide piece 25 form a structure similar to a diamond shape when viewed from the side surface of the zipper body 1, so that a certain moving space is formed on the cross rod 32 of the pull tab 3, and when the pull tab 3 is perpendicular to the zipper body 1, the clamping convex block 321 generates upward jacking force on the strip-shaped cover plate 21, thereby driving the two locking claws to be upward, so that the zipper is in an unlocked state, and the zipper is convenient to pull at the moment; the zipper is in a locked state with the pull tab 3 up or down.

When the zipper is installed, the pull tab 3 is placed between the front guide surface 132 and the rear guide surface 141, then the vertical clamping piece 231 of the top cover 2 is inserted into the limiting through groove 142 from bottom to top from the rear part of the zipper body 1, the front end of the strip-shaped cover plate 21 is pressed downwards, and the L-shaped clamping plate 221 slides downwards along the inclined guide surface 131 and is clamped into the lower groove 121 of the inverted convex groove, so that the installation is completed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A full-plastic self-locking zipper puller convenient to install comprises a zipper body, a top cover and a pull tongue, wherein the top cover is clamped above the zipper body, the zipper body comprises an upper wing plate, a lower wing plate and a guide pillar, and is characterized in that a horizontally arranged inverted convex groove is arranged at the front end of the zipper body, a group of front ejector blocks which are arranged in bilateral symmetry are arranged above the inverted convex groove, a front guide surface is arranged on the rear side of each front ejector block, a rear ejector block is arranged behind the front ejector block correspondingly, a rear guide surface is arranged on the front side of each rear ejector block, and a vertically arranged limiting through groove is formed in the middle of each rear ejector block; a rectangular open groove is formed in the rear side of the upper wing plate, and the front end of the rectangular open groove is located below the rear jacking block;

the top cover comprises a strip-shaped cover plate, the bottom of the front side of the strip-shaped cover plate is connected with an inward-bent front hook body, the bottom of the front hook body is provided with an L-shaped clamping plate which is bent forward, the bottom of the rear side of the strip-shaped cover plate is connected with an inward-bent rear hook body, the upper surface of the rear hook body is provided with a vertical clamping piece close to the front position, the bottom of the rear hook body is provided with two locking claws, and the two locking claws are positioned on the diagonal line of the bottom surface of the rear hook body; the front end of the bottom of the strip-shaped cover plate is provided with a front guide vane, and the rear end of the bottom of the strip-shaped cover plate is provided with a rear guide vane;

2. The easy-to-install all-plastic self-locking zipper slider according to claim 1, wherein the inverted convex-shaped groove comprises an upper groove and a lower groove, the upper groove is matched with the front hook body, and the lower groove is matched with the L-shaped clamping plate.

3. The ready-to-mount all-plastic self-locking slider as recited in claim 1, wherein the rectangular slot has a width matching the width of the rear hook; after the top cover is clamped with the zipper main body, the vertical clamping piece is positioned at the center of the rectangular groove.

4. The ready-to-mount all-plastic self-locking slider as recited in claim 1, wherein the distance between the front top blocks is matched with the width of the front and rear guide pieces.

5. The easy-to-install all-plastic self-locking zipper puller according to claim 1, wherein the outer edge of the locking projection is a circular arc surface.

6. The easy-to-install all-plastic self-locking zipper puller according to claim 1, wherein an inclined guide surface is provided at the upper end of the front side surface of the front top block; and an inclined clamping surface is arranged at the bottom of the strip-shaped cover plate corresponding to the inclined guide surface.

7. The ready-to-mount, all-plastic, self-locking slider of claim 1, wherein the vertical tab has a thickness no greater than 1/5 of the length of the restraining channel.