CN215649557U

CN215649557U - Zipper meshing device

Info

Publication number: CN215649557U
Application number: CN202122202576.4U
Authority: CN
Inventors: 邓金光
Original assignee: Guangzhou Jixin Zipper Co ltd
Current assignee: Guangzhou Jixin Zipper Co ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-01-28
Anticipated expiration: 2031-09-11

Abstract

The application relates to an engagement device of zipper, including pull head and two chain belts, two chain belts all include strap and a plurality of chain tooth, a plurality of chain tooth and strap fixed connection, the pull head is worn to establish on the chain tooth, pull head and chain tooth sliding connection, the chain tooth includes joint portion and clamping part, clamping part and strap fixed connection, joint portion includes that fixed connection is close to the connecting plate that the pull head was served at the clamping part, equal fixedly connected with fixture block on the connecting plate both ends, two fixture blocks are last fixture block and lower fixture block respectively, all be equipped with the recess on the connecting plate both ends, be upper groove and lower recess respectively. This application has when the zip fastener meshing, is located the chain tooth meshing on two strap, and the last fixture block of the chain tooth on one of them strap and the lower fixture block joint of the chain tooth on another strap, the mutual joint of chain tooth on the chain tooth on two straps and spacing to the effect that the chain tooth that makes mutual joint is difficult for collapsing out under the effect of external force.

Description

Zipper meshing device

Technical Field

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

Background

The zipper comprises a puller and two zipper belts, wherein each zipper belt is provided with a row of zipper teeth, the two rows of zipper teeth on the two zipper belts are arranged in a staggered mode, and when the zipper is meshed, the two rows of zipper teeth on the two zipper belts are mutually clamped.

The existing zipper is ubiquitous, when the zipper is meshed, the zipper teeth which are mutually clamped are easy to separate under the action of external force, so that the zipper is broken

In view of the above-described related art, the inventors consider that there is a defect that the fastener elements of the slide fastener are easily broken.

SUMMERY OF THE UTILITY MODEL

In order to prevent the zipper teeth which are mutually clamped from being easily broken open under the action of external force when the zipper is meshed, the application provides a zipper meshing device.

The application provides an engagement device of zip fastener adopts following technical scheme:

the utility model provides an engagement device of zip fastener, includes pull head and two chain belts, two the chain belt all includes strap and a plurality of chain tooth, a plurality of the chain tooth with strap fixed connection, the pull head is worn to establish the chain tooth, the chain tooth includes joint portion and clamping part, the clamping part with strap fixed connection, joint portion includes fixed connection the clamping part is close to the connecting plate that the pull head was served, equal fixedly connected with fixture block on the connecting plate both ends, two the fixture block is last fixture block and lower fixture block respectively, go up the fixture block and the fixture block all is equipped with the arc surface down, the arc surface is by keeping away from the clamping part and towards being close to the slope of clamping part direction, all be equipped with the recess on the connecting plate both ends, be upper groove and low groove respectively.

Through adopting above-mentioned technical scheme, when the zip fastener meshing, be located the chain tooth meshing on two strap, the last fixture block of the chain tooth on one of them strap and the lower fixture block joint of the chain tooth on another strap, the chain tooth on one of them strap is located respectively on another strap between two adjacent chain teeth, and the last fixture block and the lower fixture block of the chain tooth on one of them strap are located respectively on another strap lower draw-in groove and last draw-in groove of two adjacent chain teeth, the mutual joint of chain tooth on two straps and spacing, thereby make the chain tooth of mutual joint be difficult for collapsing open under the effect of external force.

Preferably, the upper clamping block and the lower clamping block are provided with inclined planes, the inclined planes are inclined towards the direction away from the clamping part near the clamping part, and the arc surfaces are intersected with the inclined planes.

Through adopting above-mentioned technical scheme, set up the inclined plane on last fixture block and the fixture block down, the chain tooth separation of convenient mutual joint, two matched with chain teeth are difficult for the card dead in the meshing moreover.

Preferably, one end of each of the two opposite side surfaces of the connecting plate is fixedly connected with the fixing plate, the other end of each of the two opposite side surfaces of the connecting plate is obliquely arranged towards the direction close to the central line of the connecting plate, and the width of the side, close to the puller, of the connecting plate is smaller than the width of the side, far away from the puller, of the connecting plate.

By adopting the technical scheme, the contact area of the connecting plate and the pull head is reduced, so that the friction force between the pull head and the zipper teeth is reduced, the pull head slides more smoothly on the two zipper strips, and the pull head and the zipper teeth are not easy to block.

Preferably, the clamping part comprises a fixed plate, one end of the fixed plate is fixedly connected with the connecting plate, the other end of the fixed plate is fixedly connected with two clamping strips, and the two clamping strips are away from one end of the connecting plate and are obliquely arranged towards the direction of the central line of the fixed plate.

Through adopting above-mentioned technical scheme, will press from both sides tight strip slope and set up bordure and put into the strap and press from both sides between the tight strip, will press from both sides tight strip through external force and press from both sides tightly in strap one side.

Preferably, two the stopper is no less than two to the equal fixedly connected with in the one side that presss from both sides the relative of tight strip, strap one side is located two between the stopper and with two press from both sides tight strip and stopper fixed connection.

Through adopting above-mentioned technical scheme, set up and press from both sides tight strip and stopper, enable the chain tooth and be connected more firm with the strap, make the chain tooth be difficult for appearing the skew on the strap or break away from the strap.

Preferably, the strap is including connecting cloth and sand grip, the sand grip with connecting cloth fixed connection, sand grip thickness is greater than connecting cloth thickness, the sand grip is located two between the stopper and with two press from both sides tight strip and stopper fixed connection.

Preferably, two both ends of strap are all fixed connection limiting plate.

By adopting the technical scheme, the puller is not easy to be separated from the zipper when the zipper is opened and closed.

Preferably, the zipper teeth and the pull head are both provided with a smooth waterproof layer.

Through adopting above-mentioned technical scheme, reduce the frictional force between zip fastener and the chain tooth, make the zip fastener more smooth and easy when sliding, and smooth protective layer has waterproof function, enables zip fastener and pull head and is difficult for receiving the corruption of water.

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

1. through last fixture block, lower fixture block, upper groove and low groove, when the chain tooth meshing, the mutual joint of chain tooth and spacing on the chain tooth on two strap to the chain tooth that makes mutual joint is difficult for collapsing out under the exogenic action.

2. The two side surfaces of the connecting plate are obliquely arranged, so that the contact area between the connecting plate and the puller is reduced, the friction force between the puller and the zipper teeth is reduced, the puller slides more smoothly on the two zipper belts, and the puller and the zipper teeth are not easy to block.

3. Through setting up and pressing from both sides tight strip and stopper, enable the chain tooth and be connected more firm with the strap, make the chain tooth be difficult for appearing the skew on the strap or break away from the strap.

Drawings

Fig. 1 is a schematic view showing the overall construction of an engaging device of a slide fastener.

FIG. 2 is a schematic view of a fastener element structure.

Description of reference numerals:

1. a slider; 2. a cloth belt; 21. connecting cloth; 22. a convex strip; 3. a zipper tooth; 31. a clamping part; 311. a connecting plate; 312. an upper clamping block; 3121. a circular arc surface; 3122. a bevel; 313. a lower clamping block; 314. a groove; 315. a baffle plate; 32. a clamping portion; 321. a fixing plate; 322. a clamping bar; 323. a limiting block; 4. and a limiting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a zipper meshing device. Referring to fig. 1, including pull head 1 and two fastener tapes, pull head 1 wears to establish on two fastener tapes, pull head 1 and two fastener tape sliding connection, two fastener tapes are the joint cooperation under pull head 1's effect, and two fastener tapes all include strap 2 and a plurality of chain tooth 3, a plurality of chain tooth 3 respectively with two strap 2 relative one side fixed connection, pull head 1 wears to establish chain tooth 3.

Referring to fig. 1 and 2, the zipper teeth 3 include a clamping portion 31 and a clamping portion 32, the clamping portion 32 is fixedly connected with the clamping portion 31 and is integrally formed, the clamping portion 32 is fixedly connected with the cloth tapes 2, the zipper teeth 3 on the two cloth tapes 2 are arranged in a staggered manner, the clamping portion 31 includes a connecting plate 311 fixedly connected with the clamping portion 32, one end of each of two opposite side surfaces of the connecting plate 311 is fixedly connected with the clamping portion 32, the other end of each of the two opposite side surfaces of the connecting plate 311 is obliquely arranged towards the direction close to the center line of the connecting plate 311, the width of one surface, close to the slider 1, of the connecting plate 311 is smaller than the width of the other surface, far away from the slider 1, of the connecting plate 311, the contact area of the connecting plate 311 and the slider 1 is reduced, so that the friction force between the slider 1 and the zipper teeth 3 is reduced, the slider 1 can slide more smoothly on the two zipper tapes, and the slider 1 and the zipper teeth 3 are not easy to be jammed.

Referring to fig. 1 and 2, two ends of the connecting plate 311 are fixedly connected with a latch, the two latches are an upper latch 312 and a lower latch 313, respectively, and the upper latch 312 and the lower latch 313 are arranged in a mirror image manner by using a thickness center line of the connecting plate 311.

Referring to fig. 1 and 2, the clamping portion 32 includes a fixing plate 321 fixedly connected to a side of the connecting plate 311 away from the slider 1, a thickness of the connecting plate 311 is smaller than that of the fixing plate 321, a thickness center line of the connecting plate 311 and a thickness center line of the fixing plate 321 are in the same plane, two blocking plates 315 are fixedly connected to two ends of the connecting plate 311, the two blocking plates 315 are respectively located at two sides of the connecting plate 311, and the blocking plates 315 can limit the upper clamping block 312 and the lower clamping block 313, so that the zipper teeth clamped with each other are not easy to fall off.

Referring to fig. 1 and 2, the upper fixture block 312, the lower fixture block 313, the fixing plate 321, the blocking plate 315 and the connecting plate 311 are connected to each other to form two grooves 314, the two grooves 314 are respectively an upper groove and a lower groove, the length of the groove 314 is greater than that of the fixture block length connecting plate 311, when the zipper teeth 3 are engaged, the fixture block enters the groove 314, the upper fixture block 312 and the lower fixture block 313 are pulled towards each other, so that the clamping is more stable, and the zipper is not easily broken under the action of external force.

Referring to fig. 1 and 2, each of the upper latch 312 and the lower latch 313 is provided with an arc surface 3121 and an inclined surface 3122, the two arc surfaces 3121 are inclined from being far away from the clamping portion 32 to being close to the clamping portion 32 to form an arc shape, the two inclined surfaces 3122 are inclined from being close to the clamping portion 32 to being far away from the clamping portion 32, one end of the inclined surface 3122 close to the slider 1 intersects with one end of the arc surface 3121 far away from the slider 1, the inclined surface 3122 is integrally formed with the arc surface 3121, and a connecting portion between the inclined surface 3122 and the arc surface 3121 is chamfered.

Referring to fig. 1 and 2, when the slide fastener is engaged, the fastener elements 3 on the two tapes 2 are engaged, and the upper fixture 312 of the fastener element 3 on one tape 2 is engaged with the lower fixture 313 of the fastener element 3 on the other tape 2. The arc surface 3121, the inclined surface 3122 and the round angle are arranged on the clamping block, so that the contact area of the two chain teeth 3 is reduced when the chain teeth 3 are meshed with each other or separated from each other, the two chain teeth 3 are clamped or separated more smoothly, and the clamping is not easy to occur.

Referring to fig. 1 and 2, the clamping portion 32 further includes two clamping strips 322, one ends of the two clamping strips 322 are fixedly connected to one end of the fixing plate 321 far away from the slider 1, the two clamping strips 322 are inclined towards a direction far away from a center line of a width of the fixing plate 321, the two clamping strips 322 are symmetrically arranged with respect to the center line of the fixing plate 321, one side of the cloth tape 2 is placed between the two clamping strips 322, the two clamping strips 322 are fixed on the cloth tape 2 by using a die casting machine, and when the fastener elements 3 are fixedly connected with the cloth tape 2, the two clamping strips 322 are parallel to each other.

Referring to fig. 1 and 2, two or more limiting blocks 323 are fixedly connected to the opposite surfaces of the two clamping strips 322, in this embodiment, two limiting blocks 323 are provided, and in other embodiments, three or four limiting blocks may also be provided, one limiting block 323 is located at one end of the clamping strip 322 far away from the slider 1, the other limiting block 323 is located in the middle of the clamping strip 322, and the cloth tape 2 is fixedly connected to the clamping strips 322 and the limiting blocks 323.

Referring to fig. 1 and 2, the cloth tape 2 includes a connection cloth 21 and a protruding strip 22, the protruding strip 22 is fixedly connected with the connection cloth 21, the thickness of the protruding strip 22 is greater than that of the connection cloth 21, and the protruding strip 22 is fixedly connected with a limiting block 323 and a limiting strip.

Referring to fig. 1 and 2, the clamping strip 322 and the limiting block 323 are arranged to enable the connection between the fastener elements 3 and the cloth tape 2 to be more stable, so that the fastener elements 3 are not easy to deviate from the cloth tape 2 or to separate from the cloth tape 2.

Referring to fig. 1, the equal fixed connection limiting plate 4 in both ends of two strap 2, it is relative to be located two strap 2 with two limiting plate 4 of one end, when the zip fastener was closed, is located two strap 2 with two limiting plate 4 butts of one end to make pull head 1 be difficult for breaking away from the zip fastener when the zip fastener that opens and shuts.

Referring to fig. 1, the fastener elements 3 and the slider 1 are both provided with a smooth waterproof layer (not shown in the figure), in this embodiment, the smooth protective layer is formed by laying an anti-rust paint, and in other embodiments, the smooth waterproof layer can also be an electroplated layer, so that the friction between the zipper and the fastener elements 3 can be reduced, the zipper can slide more smoothly, and the smooth waterproof layer has a waterproof function, so that the zipper and the slider 1 are not easily corroded by water.

The principle of the engagement device of the slide fastener in this embodiment is as follows:

referring to fig. 1 and 2, when the zipper is engaged, the zipper teeth 3 on the two cloth tapes 2 are engaged, the upper fixture block 312 of the zipper tooth 3 on one cloth tape 2 is clamped with the lower fixture block 313 of the zipper tooth 3 on the other cloth tape 2, the upper fixture block 312 of the zipper tooth 3 on one cloth tape 2 enters the lower groove of the zipper tooth 3 on the other cloth tape 2, the upper fixture block 312 is limited in the lower groove, and the two zipper teeth are mutually clamped and limited, so that the zipper is not easy to be broken open under the action of external force.

Referring to fig. 1 and 2, when the upper latch 312 is latched to the lower latch 313, the arc surface 3121 of the upper latch 312 abuts against the arc surface 3121 of the lower latch 313 and slides relatively, so that the zipper is engaged more smoothly and the zipper is not easily jammed.

Referring to fig. 1 and 2, when the slide fastener is separated, the fastener elements 3 on the two tapes 2 are separated, and the two fastener elements 3 engaged with each other can be more easily separated by the respective slopes.

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 an engagement device of zip fastener, includes pull head (1) and two fastener tapes, two the fastener tape all includes strap (2) and a plurality of chain tooth (3), a plurality of chain tooth (3) with strap (2) fixed connection, pull head (1) is worn to establish chain tooth (3), its characterized in that: the zipper teeth (3) comprise clamping portions (31) and clamping portions (32), the clamping portions (32) are fixedly connected with the cloth belts (2), the clamping portions (31) comprise connecting plates (311) fixedly connected to one ends, close to the sliders (1), of the clamping portions (32), clamping blocks are fixedly connected to two ends of the connecting plates (311), the two clamping blocks are respectively an upper clamping block (312) and a lower clamping block (313), the upper clamping block (312) and the lower clamping block (313) are respectively provided with an arc surface (3121), the arc surface (3121) inclines towards the direction close to the clamping portions (32) by being far away from the clamping portions (32), and the two ends of the connecting plates (311) are respectively provided with grooves (314) which are respectively an upper groove and a lower groove.

2. The engaging device of a slide fastener according to claim 1, wherein: the upper clamping block (312) and the lower clamping block (313) are both provided with inclined surfaces (3122), the inclined surfaces (3122) are inclined towards the direction far away from the clamping portion (32) near the clamping portion (32), and the arc surfaces (3121) are intersected with the inclined surfaces (3122).

3. The engaging device of a slide fastener according to claim 2, wherein: one end of each of two opposite side surfaces of the connecting plate (311) is fixedly connected with the clamping portion (32), the other end of each of the two opposite side surfaces of the connecting plate (311) is obliquely arranged towards the direction close to the central line of the connecting plate (311), and the width of the side, close to the puller (1), of the connecting plate (311) is smaller than the width of the side, far away from the puller (1), of the connecting plate (311).

4. The engaging device of a slide fastener according to claim 1, wherein: clamping part (32) including fixed plate (321), fixed plate (321) one end with connecting plate (311) fixed connection, fixed plate (321) other end fixedly connected with presss from both sides tight strip (322), two press from both sides tight strip (322) and keep away from connecting plate (311) one end is towards keeping away from fixed plate (321) central line direction slope sets up.

5. The engaging device of a slide fastener according to claim 4, wherein: two the equal fixedly connected with of the one side that presss from both sides that clamp strip (322) is relative is no less than two stopper (323), strap (2) one side is located two between stopper (323) and with two press from both sides clamp strip (322) and stopper (323) fixed connection.

6. The engaging device of a slide fastener according to claim 5, wherein: cloth strap (2) are including connecting cloth (21) and sand grip (22), sand grip (22) with connecting cloth (21) fixed connection, sand grip (22) thickness is greater than connecting cloth (21) thickness, sand grip (22) are located two between stopper (323) and with two press from both sides tight strip (322) and stopper (323) fixed connection.

7. The engaging device of a slide fastener according to claim 1, wherein: two both ends of strap (2) are fixed connection limiting plate (4).

8. The engaging device of a slide fastener according to claim 1, wherein: and smooth waterproof layers are arranged on the zipper teeth (3) and the pull head (1).