CN215583305U

CN215583305U - Invisible zipper meshing device

Info

Publication number: CN215583305U
Application number: CN202122181310.6U
Authority: CN
Inventors: 邓金光
Original assignee: Guangzhou Jixin Zipper Co ltd
Current assignee: Guangzhou Jixin Zipper Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-21
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to an invisible zipper meshing device, including pull head and two chain belts, two chain belts all include strap and a plurality of chain tooth, a plurality of chain tooth respectively with two strap fixed connection, the pull head is worn to establish chain tooth, chain tooth include joint portion and clamping part, the clamping part with joint portion integrated into one piece, clamping part with strap one side fixed connection, the joint portion of chain tooth is relative on two straps, and joint portion includes the connecting plate of fixed connection on the clamping part, and one end fixedly connected with joint piece of connecting plate, joint piece are equipped with the arc surface, and the arc surface inclines into the arc setting towards being close to the clamping part direction by keeping away from the clamping part direction, has seted up the spacing groove on the connecting plate other end. This application has and sets up spacing groove and joint piece on the connecting plate, and when the zip fastener meshing, the spacing groove joint of the chain tooth on the joint piece of the chain tooth on one of them strap and another strap makes two chain belts of meshing be difficult for collapsing the effect of opening under the effect of external force.

Description

Invisible zipper meshing device

Technical Field

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

Background

The zip fastener has the advantage that open and shut conveniently, fast, consequently by the wide application in fields such as clothes, case and bag, the zip fastener includes strap, a plurality of chain tooth and pull head usually, and a plurality of chain tooth sets up along strap length direction, and chain tooth forms the chain belt with the strap, and every zip fastener includes two chain belts, and two chain belts open and shut under the effect of pull head, and when the zip fastener meshing, the condition that collapses out appears easily under the effect of external force in two chain belts of mutual joint.

In view of the above-mentioned related art, the inventors considered that there was a defect that two chain belts engaged with each other were easily broken.

SUMMERY OF THE UTILITY MODEL

In order to make two chain belts of mutual joint be difficult for collapsing open under the effect of external force, this application provides a stealthy interlock device of zip fastener.

The application provides a stealthy interlock device of zip fastener adopts following technical scheme:

the utility model provides an invisible zipper meshing device, 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 respectively with two 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 joint portion integrated into one piece, the clamping part with strap one side fixed connection, two the joint portion of chain tooth is relative on the strap, joint portion includes fixed connection and is in connecting plate on the clamping part, fixed connection has the joint piece on the connecting plate one end, the joint piece is equipped with the arc surface, the arc surface is by keeping away from clamping part orientation is close to the slope of clamping part orientation is the arc setting, the spacing groove has been seted up on the connecting plate other end.

Through adopting above-mentioned technical scheme, through setting up spacing groove and joint piece on the connecting plate, when the zip fastener meshing, the spacing groove joint of the chain tooth on the joint piece of the chain tooth on one of them strap and another strap makes two chain belts of meshing be difficult for collapsing open under the effect of external force.

Preferably, one side of the limiting groove, which is far away from the cloth belt, is sunken towards the direction of the arc surface.

Through adopting above-mentioned technical scheme, when meshing the zip fastener, set up the arc surface slope and set up spacing groove one end is sunken, make things convenient for the meshing of zip fastener, zip fastener in addition, two matched with chain teeth are difficult for the card to die.

Preferably, the clamping block is further provided with an inclined surface, the inclined surface is inclined from the direction close to the clamping portion to the direction far away from the clamping portion, the inclined surface is intersected with the arc surface, and the inclined surface and the arc surface are in smooth transition.

Through adopting above-mentioned technical scheme, set up inclined plane and inclined plane slope, when the zip fastener is opened to needs, the inclined plane cooperates with spacing groove depressed part to it is more smooth and easy to make to open the zip fastener, and two matched with chain teeth are difficult for blocking extremely.

Preferably, one end of each of the two opposite side surfaces of the connecting plate is fixedly connected with the clamping portion, 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 connection part, the connecting plate is close to a fixing plate on one surface of the cloth belt, the fixing plate is close to two clamping strips fixedly connected to one surface of the cloth belt, and the two clamping strips are far away from one end of the connecting plate towards the direction of the width center line of the fixing plate.

Through adopting above-mentioned technical scheme, through pressing from both sides tight strip slope setting, conveniently place the strap between two tight strips that press from both sides.

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 the stopper, enable chain tooth and the connection of strap more firm, make the chain tooth be difficult for appearing squinting on the strap or breaking 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.

Through adopting above-mentioned technical scheme, make the connection between clamp strip and stopper and the sand grip more firm, make chain tooth and strap more difficult break away from.

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 protective layer.

By adopting the technical scheme, the friction force between the zipper and the zipper teeth is reduced, the zipper is smoother when sliding, the smooth protective layer has an anti-corrosion function, and the zipper and the pull head are not easy to corrode.

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

1. through set up spacing groove and joint piece on the connecting plate, make the zipper strip of meshing be difficult for collapsing open under the effect of external force.

2. Through setting up the arc surface slope and sunken setting with spacing groove one end, make things convenient for the meshing of zip fastener, and the zip fastener is in the meshing, two matched with chain teeth are difficult for the card to die.

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 an overall structure of a concealed engaging apparatus of a slide fastener.

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

FIG. 3 is a bottom view of the fastener element.

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. a clamping block; 3121. a circular arc surface; 3122. a bevel; 313. a limiting groove; 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 1-3.

The embodiment of the application discloses a zipper invisible meshing device. Referring to fig. 1, including pull head 1 and two fastener tapes, pull head 1 wears to establish 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 clamping portions 31 of the zipper teeth 3 on the two cloth tapes 2 are opposite and staggered, 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 central 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, away from one surface of the slider 1, of the connecting plate 311 is reduced in contact area with the slider 1, so that the friction force between the slider 1 and the zipper teeth 3 is reduced, the slider 1 slides 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, 2 and 3, connecting plate 311 one end fixedly connected with joint piece 312, spacing groove 313 has been seted up to the connecting plate 311 other end, and joint piece 312 is relative with spacing groove 313, and when the zip fastener meshing, the joint piece 312 of chain tooth 3 on one of them strap 2 of two strap 2 and the spacing groove 313 joint cooperation of chain tooth 3 on another strap 2, under the effect of joint piece 312 and spacing groove 313, two chain belts of meshing are difficult for collapsing under the effect of external force.

Referring to fig. 1, 2 and 3, the clamping block 312 is provided with an arc surface 3121 and an inclined surface 3122 on the connecting plate 311, the arc surface 3121 is inclined in an arc shape from a direction away from the clamping portion 32 to a direction close to the clamping portion 32, the inclined surface 3122 is inclined from a direction close to the clamping portion 32 to a direction away from the clamping portion 32, the inclined surface 3122 intersects with the arc surface 3121, the intersection of the inclined surface 3122 and the arc surface 3121 is in smooth transition, and one end of the limiting groove 313 away from the cloth tape 2 is recessed in a direction close to the clamping block 312 and in a certain radian.

Referring to fig. 1, 2 and 3, when the zipper is closed, the circular arc surface 3121 and one end of the limiting groove 313 are arranged to be concave, so that the zipper can be conveniently meshed, the two matched zipper teeth 3 are not easy to block, the inclined surface 3122 and one end of the limiting groove 313 are arranged to be concave, when the zipper is opened, the zipper teeth 3 which are conveniently clamped with each other are separated under the action of the pull head 1, and when the zipper is separated, the two zipper teeth 3 are not easy to block.

Referring to fig. 1 and 2, clamping part 32 includes fixed connection at the connecting plate 311 and is close to the fixed plate 321 of strap 2 one side, and two clamping strip 322 of fixedly connected with are kept away from to fixed plate 321 on the connecting plate 311 one side, two clamping strip 322 one end and fixed plate 321 fixed connection, and two clamping strip 322 other ends are towards keeping away from the direction extension setting of fixed plate 321 orientation, and two clamping strip 322 keep away from connecting plate 311 one end and keep away from fixed plate 321 width central line place orientation slope, and two clamping strip 322 set up with fixed plate 321 central line symmetry, place strap 2 between two clamping strip 322, fix clamping strip 322 on strap 2 through the die-casting machine, when the chain tooth is fixed on strap 2, two clamping strip 322 are parallel to each other.

Referring to fig. 1 and fig. 2, equal fixedly connected with is no less than two stopper 323 on the relative one side of two clamp strips 322, and in this embodiment, stopper 323 is equipped with two, and in other embodiments, stopper 323 can also be three or four, and two stopper 323 are located respectively and press from both sides the strip 322 and keep away from fixed plate 321 one end and press from both sides strip 322 length central line on, strap 2 be with two press from both sides between strip 322 and the stopper 323, strap 2 with press from both sides strip 322 and stopper 323 fixed connection.

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 portion 32 is more stably connected to the cloth tape 2 by providing the clamping strip 322, the stopper 323, and the protruding strip 22, so that the fastener elements 3 are less likely to be separated 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, both the fastener elements 3 and the slider 1 are provided with a smooth protective layer (not shown), in this embodiment, the smooth protective layer is formed by laying an anticorrosive paint, in other embodiments, the smooth protective layer may also be an antirust paint, the friction between the slide fastener and the fastener elements 3 can be reduced by providing the smooth protective layer, so that the slide fastener can slide more smoothly, and the smooth protective layer has an anticorrosive function, so that the slide fastener and the slider 1 are not easily corroded by water or other substances.

The principle of the invisible zipper meshing device in the embodiment is as follows:

referring to fig. 1, fig. 2 and fig. 3, when closing the zip fastener, under the effect of arc surface 3121 and spacing groove 313, make things convenient for the meshing of zip fastener, and two matched with chain teeth 3 are difficult for the card to die, after the zip fastener is closed, under the effect of joint piece 312 with spacing groove 313 joint, two chain belts of meshing are difficult for collapsing open under the effect of external force, under the effect of pressing from both sides tight strip 322, stopper 323 and sand grip 22, chain tooth 3 is difficult for taking place the skew or droing on strap 2 because of the effect of external force down.

Referring to fig. 1, 2 and 3, when the zipper is opened, the inclined surface 3122 and one end of the limiting groove 313 are recessed, so that the zipper elements 3 which are clamped with each other can be conveniently separated under the action of the slider 1, and when the zipper is separated, the two zipper elements 3 are not easy to be blocked.

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 invisible zipper meshing device, 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) respectively with two strap (2) fixed connection, pull head (1) is worn to establish chain tooth (3), its characterized in that: chain tooth (3) are including joint portion (31) and clamping part (32), clamping part (32) with joint portion (31) integrated into one piece, clamping part (32) with strap (2) one side fixed connection, two joint portion (31) of chain tooth (3) are relative on strap (2), joint portion (31) are including fixed connection connecting plate (311) on clamping part (32), one end fixedly connected with joint piece (312) are served in connecting plate (311), joint piece (312) are equipped with arc surface (3121), arc surface (3121) is by keeping away from clamping part (32) direction is close to clamping part (32) direction slope is the arc setting, spacing groove (313) have been seted up on connecting plate (311) the other end.

2. The concealed zipper engaging apparatus according to claim 1, wherein: the limiting groove (313) is far away from one side of the cloth belt (2) and is sunken towards the direction of the arc surface (3121).

3. The concealed zipper engaging apparatus according to claim 2, wherein: the clamping block (312) is further provided with an inclined surface (3122), the inclined surface (3122) inclines from the direction close to the clamping portion (32) to the direction away from the clamping portion (32), the inclined surface (3122) intersects with the arc surface (3121), and the inclined surface (3122) and the arc surface (3121) are in smooth transition.

4. The concealed zipper engaging apparatus according to claim 3, wherein: one end of each of two opposite side surfaces of the connecting plate (311) is fixedly connected with the clamping part (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 one surface, close to the puller (1), of the connecting plate (311) is smaller than the width of one surface, far away from the puller (1), of the connecting plate (311).

5. The concealed zipper engaging apparatus according to claim 3, wherein: clamping part (32) are including fixed connection be in connecting plate (311) are close to strap (2) one side fixed plate (321), fixed plate (321) are close to two clamp strip (322) of fixedly connected with on strap (2) one side, two clamp strip (322) are kept away from connecting plate (311) one end is towards keeping away from fixed plate (321) width center line place direction slope.

6. The concealed zipper engaging apparatus according to claim 5, 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.

7. The concealed zipper engaging apparatus according to claim 6, 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.

8. The concealed zipper engaging apparatus according to claim 1, wherein: two both ends of strap (2) are fixed connection limiting plate (4).

9. The concealed zipper engaging apparatus according to claim 1, wherein: smooth protective layers are arranged on the zipper teeth (3) and the pull head (1).