CN217609821U

CN217609821U - Flame-retardant zipper and detachable zipper upper stop assembly

Info

Publication number: CN217609821U
Application number: CN202221061862.1U
Authority: CN
Inventors: 程春银
Original assignee: Anhui Yinlong Plastic Technology Co ltd
Current assignee: Anhui Yinlong Plastic Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-10-21
Anticipated expiration: 2032-05-06

Abstract

The utility model belongs to the technical field of the zip fastener accessory, concretely relates to fire-retardant zip fastener and removable top stop subassembly of zip fastener, a fire-retardant zip fastener, including two strap, chain tooth, zip fastener head, top stop piece and lower stop piece, zip fastener head end is equipped with top stop piece and lower stop piece, zip fastener head, chain tooth, top stop piece and lower stop piece are made by POM fire-retardant plastics, and the strap is made by high temperature resistant aramid fiber material; the top of the chain provided with the zipper head is provided with a detachable top stop component. Compared with the prior art, the utility model has the following advantages: the structure of the elastic pressing block and the inner stopping piece is reasonably designed, so that the zipper head can conveniently slide in; the clamping connection of the external stop piece and the internal stop piece is completed by pressing the elastic pressing block; when the zipper head needs to be replaced, the elastic pressing block is pressed, and the outer stop piece is pulled out, so that the operation method is simple, and the integral output efficiency of the zipper is improved; through the reasonable selection of the materials of the zipper head and the cloth belt, the high temperature resistance of the zipper head and the cloth belt is improved, so that the obtained zipper can be suitable for more use scenes.

Description

Flame-retardant zipper and detachable zipper upper stop assembly

Technical Field

The utility model belongs to the technical field of the zip fastener accessory, concretely relates to fire-retardant zip fastener and removable top subassembly that stops of zip fastener.

Background

The zipper is usually used for clothes, bags, tents and the like, an upper stopper and a lower stopper are arranged to prevent the zipper head from separating from the zipper teeth by means of the zipper teeth which are continuously arranged, so that the anti-falling effect is achieved, the upper stopper is usually formed by one-time injection molding, the zipper head is inconvenient to replace, and the upper stopper can be formed by injection molding after the zipper head is threaded on the zipper teeth during production, so that the production efficiency is influenced; in addition, the existing zipper head and zipper teeth have poor fireproof performance and are easy to reach ignition point quickly when meeting high temperature.

Disclosure of Invention

The utility model aims at providing a fire-retardant zip fastener and the removable top subassembly that stops of zip fastener to current zip fastener meet the problem that high temperature destroyed easily, just is difficult to change the zipper head.

The utility model discloses a realize through following technical scheme: a flame-retardant zipper comprises two cloth belts, wherein the inner sides of the cloth belts are provided with band ribs, chain teeth are uniformly distributed at the positions of the cloth belts on which the band ribs are arranged to form a chain, one chain is provided with a zipper head, the tail end of the zipper head is provided with an upper stopper and a lower stopper, the zipper head, the chain teeth, the upper stopper and the lower stopper are made of POM flame-retardant plastics, the cloth belts are made of high-temperature-resistant aramid fibers, and the high-temperature-resistant aramid fibers are all meta-aramid fibers or meta-aramid copolymer fibers containing methyl substituents and belong to high-temperature-resistant flame-retardant fibers;

the POM flame-retardant plastic reaches a flame-retardant grade A-0 through GB 8410-2006 detection;

the top of the chain provided with the zipper head is provided with a detachable top stop component.

Particularly, draw the zipper head including the pulling-on piece, be equipped with anti-skidding arch on the pulling-on piece, can effectively be anti-skidding, be difficult to the slippage when drawing the zipper head through the pulling-on piece pulling.

The anti-theft device comprises an inner stop piece, an elastic pressing block and an outer stop piece, wherein the bottom of the elastic pressing block is connected with a plurality of bendable elastic sheets, and the outer stop piece is of a v-21274type structure matched with the outer part of the inner stop piece;

the inner stopping piece is fixed on the band rib, and the size of the inner stopping piece is smaller than that of a single zipper tooth, so that the zipper head can be conveniently clamped; the size of the corresponding external stop piece is larger than that of the internal groove of the zipper head, so that the function of preventing the zipper head from slipping is realized;

the top of the inner stopping piece is provided with a boss-shaped groove, an elastic pressing block is clamped in the boss-shaped groove, and the top of the outer stopping piece is provided with a rectangular through groove capable of accommodating the elastic pressing block;

the outer stop piece is clamped outside the inner stop piece through an elastic pressing block to obtain a detachable upper stop assembly;

one side of the inner stopping piece facing the band rib is provided with a cloth band seam, the outer end of the cloth band seam is provided with an opening, and the inner side of the cloth band seam is provided with a band rib hole;

a rectangular open groove is formed in one side, away from the cloth belt seam opening, of the bottom of the inner stopping piece, a rectangular guide block matched with the rectangular open groove is arranged at the position, corresponding to the rectangular open groove, of the inner bottom surface of the outer stopping piece lift-out 21274structure, and the rectangular open groove has a guiding effect and further improves clamping stability.

Specifically, the boss-shaped groove comprises a groove upper part and a groove lower part, and the bendable elastic sheet at the bottom of the elastic pressing block is clamped in the groove lower part;

when the bendable elastic sheet is in a natural state, the elastic pressing block is positioned above the inner stopping piece; pressing down elastic pressing block, elastic pressing block all is located recess upper portion, will end the piece inwards promoting this moment outward, until elastic pressing block upwards bounce the card go into the rectangle and lead to the inslot, can accomplish the equipment.

Specifically, the elastic pressing block top is provided with a limiting hole, and the elastic pressing block is small, so that the elastic pressing block needs to be pressed by means of a tool with a tip, and the elastic pressing block can be prevented from slipping when being pressed by arranging the limiting hole.

Compared with the prior art, the utility model has the following advantages: by reasonably designing the structures of the elastic pressing block and the inner stopping piece, the elastic pressing block can move up and down under the action of pressing in a certain range on the upper part of the inner stopping piece, so that the zipper head can conveniently slide in; the outer stopping piece and the inner stopping piece are clamped by pressing the elastic pressing block and simultaneously sliding inwards; when the zipper head needs to be replaced, the elastic pressing block is pressed, and the outer stop piece is pulled out outwards, so that the operation method is simple, and the integral production efficiency of the zipper is improved; through the reasonable selection of the materials of the zipper head and the cloth belt, the high-temperature resistance of the zipper head and the cloth belt is improved, so that the obtained zipper can be suitable for more use scenes.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is an exploded view of the removable top stop assembly.

Fig. 3 is a schematic structural view of the internal stopper and the elastic pressing block after being assembled.

FIG. 4 is a schematic view of the assembled male and female stops.

FIG. 5 is a front cross-sectional view of the inner stop.

FIG. 6 is a top view of the inner stop.

The zipper is characterized by comprising 1-a cotton tape, 11-a band, 12-zipper teeth, 13-a lower stop piece, 2-a zipper head, 21-a pull sheet, 22-an anti-skidding protrusion, 3-a detachable upper stop component, 31-an inner stop piece, 311-a cloth band seam, 312-a band hole, 313-a groove upper part, 314-a rectangular groove, 315-a groove lower part, 32-an elastic pressing block, 321-a bendable elastic sheet, 322-a limiting hole, 33-an outer stop piece, 331-a rectangular through groove and 332-a rectangular guide block.

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 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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-6, a flame-retardant zipper comprises two cloth belts 1, wherein the inner sides of the cloth belts 1 are provided with band ribs 11, chain teeth 12 are uniformly distributed at positions on the cloth belts 1 where the band ribs 11 are arranged to form chains, one of the chains is provided with a zipper puller 2, the zipper puller 2 comprises a zipper pull 21, the zipper pull 21 is provided with anti-skidding protrusions 22, so that the zipper pull can effectively prevent skidding, and the zipper pull 2 is not easy to slip when pulled by the zipper pull 21;

the zipper head 2, the zipper teeth 12, the upper stopper and the lower stopper 13 are made of POM flame-retardant plastics, the cloth belt 1 is made of high-temperature-resistant aramid fiber materials, and both the POM flame-retardant plastics and the high-temperature-resistant aramid fiber materials can be purchased from the market;

the top of the chain provided with the zipper head 2 is provided with a detachable upper stop component 3, the detachable upper stop component 3 comprises an inner stop piece 31, an elastic pressing block 32 and an outer stop piece 33, the bottom of the elastic pressing block 32 is connected with a plurality of bendable elastic pieces 321, and the outer stop piece 33 is of a v-21274type structure matched with the outer part of the inner stop piece 31;

the inner stop piece 31 is fixed on the band rib 11, and the size of the inner stop piece 31 is smaller than that of the single zipper tooth 12, so that the zipper head 2 can be conveniently clamped in; the size of the corresponding external stop piece 33 is larger than the size of the internal groove of the zipper head 2, so that the function of preventing the zipper head 2 from slipping is realized;

the top of the inner stop piece 31 is provided with a boss-shaped groove, the boss-shaped groove comprises a groove upper part 313 and a groove lower part 315, the bendable elastic sheet 321 at the bottom of the elastic pressing block 32 is clamped in the groove lower part 315, and the top of the outer stop piece 33 is provided with a rectangular through groove 331 capable of accommodating the elastic pressing block 32;

one side of the inner stopping piece 31 facing the band is provided with a band seam 311, the outer end of the band seam 311 is provided with an opening, and the inner side of the band seam 311 is provided with a band hole 312;

a rectangular open slot 314 is formed in one side, away from the opening of the cloth belt seam 311, of the bottom of the inner stopping piece 31, a rectangular guide block 332 matched with the rectangular open slot is arranged at a position, corresponding to the rectangular open slot, of the inner bottom surface of the outer stopping piece 33 \ 21274.

The working principle is that when the bendable elastic sheet 321 is in a natural state, the elastic pressing block 32 is positioned above the inner stop piece 31; pressing the resilient press 32 downwardly, the resilient press 32 being located entirely within the upper portion 313 of the recess; at this time, the external stop member 33 is pushed inward until the elastic pressing block 32 is sprung upward and clamped into the rectangular through groove 331, and then the assembly is completed;

in addition, the top of the elastic pressing block 32 is provided with a limiting hole 322, and the elastic pressing block 32 is small and needs to be pressed by a tool with a tip, so that the elastic pressing block can be prevented from slipping off when being pressed by the limiting hole 322.

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 flame-retardant zipper comprises two cloth belts, wherein the inner sides of the cloth belts are provided with band ribs, chain teeth are uniformly distributed at the positions of the cloth belts on which the band ribs are arranged to form chains, one chain is provided with a zipper head, the tail end of the zipper head is provided with an upper stopper and a lower stopper, and the flame-retardant zipper is characterized in that the zipper head, the chain teeth, the upper stopper and the lower stopper are made of POM flame-retardant plastic, and the cloth belts are made of high-temperature-resistant aramid materials;

2. The flame retardant zipper of claim 1, wherein the slider comprises a pull tab having a non-slip protrusion thereon.

3. The flame-retardant zipper detachable top stop assembly of claim 1, comprising an inner stop member, an elastic pressing block and an outer stop member, wherein the bottom of the elastic pressing block is connected with a plurality of bendable elastic sheets, and the outer stop member is of a v 21274type structure matched with the outer part of the inner stop member;

the inner stopping piece is fixed on the belt rib, the size of the inner stopping piece is smaller than that of a single zipper tooth, a boss-shaped groove is formed in the top of the inner stopping piece, an elastic pressing block is clamped in the boss-shaped groove, and a rectangular through groove capable of containing the elastic pressing block is formed in the top of the outer stopping piece;

the outer piece that ends is through the elastic pressing block joint in the interior outside the piece that ends, obtains removable top subassembly that ends.

4. The separable top stop assembly of a flame retardant fastener according to claim 3, wherein said inner stop member has a tape seam on a side facing the tape, an opening is provided at an outer end of the tape seam, and a tape hole is provided at an inner side of the tape seam.

5. The flame retardant zipper removable top stop assembly of claim 4, wherein a rectangular slot is provided on a side of the bottom of the inner stop member distal from the tape slot opening, and a rectangular guide block matching the rectangular slot is provided on a portion of the inner bottom surface of the outer stop member (21274) type structure corresponding to the rectangular slot.

6. The removable top stop assembly of a fire retardant zipper of claim 3 wherein said boss-type recess comprises a recess upper portion and a recess lower portion, and a flexible resilient tab at the bottom of the resilient press block is captured within the recess lower portion;

when the bendable elastic sheet is in a natural state, the elastic pressing block is positioned above the inner stopping piece; and the elastic pressing block is pressed downwards and is completely positioned at the upper part of the groove.

7. The removable top stop assembly of a fire retardant zipper according to claim 3, wherein the top of the resilient pressing block is provided with a limiting hole.