CN215270946U - Double-opening zipper - Google Patents

Abstract

The utility model discloses a double-open zipper, which comprises a pull head and a stopping part for limiting the pull head sliding off, wherein the stopping part comprises a right stopping part and a left stopping part which are arranged oppositely; the outer side of the left stop is provided with a left limiting wall and a left avoiding wall which are smoothly connected, the left limiting wall is matched with the lower side of a left convex point arranged on the side wall of a left cavity of the pull head, and the left avoiding wall is separated from the upper side of the left convex point. When the pull head separates from the stopping part, the right stopping part stirs the left stopping part to rotate around the left convex point by depending on a gap between the left avoiding wall and the upper side of the left convex point, and the pull head separates from the occluded chain teeth directly connected with the stopping part under the common guide of the right limiting wall and the left limiting wall. The utility model discloses an optimize the structure of backstop portion, make left backstop rotate for right backstop when the pull head slides, avoid the pull head to block, do benefit to and open the zip fastener fast.

Description

Double-opening zipper

Technical Field

The utility model relates to a zip fastener field, in particular to two divisions of zip fasteners.

Background

A slide fastener generally includes fastener elements, a slider, an upper stop, and a lower stop, two rows of the fastener elements are arranged uniformly on a fastener tape, and the slider slides along the fastener elements to connect or separate two fastener tapes. The upper stop and the lower stop are respectively fixed at the upper end and the lower end of the chain belt, so that the puller is always engaged with the chain teeth, and the puller is limited to be separated from the chain belt. Obviously, the upper stop and the lower stop are used as key parts of the zipper, and the optimization of the structures of the upper stop and the lower stop is particularly necessary.

Considering that the length of the zipper on the middle-long jacket is usually longer, for the rapid opening and closing zipper, the clothes mostly adopt a double-opening zipper, the zipper belt of the double-opening zipper is usually provided with an upper pull head and a lower pull head, and the upper pull head and the lower pull head are utilized to open and close the zipper teeth from two ends of the zipper belt respectively. The two ends of the zipper belt are respectively provided with an upper stopper and a lower stopper, so that the two sliders are limited to be separated from the zipper belt, and in addition, the zipper can be opened along the upper stopper by the upper slider and can be opened along the lower stopper by the lower slider. However, due to the structural limitation of the upper stop and the lower stop of the existing double-open zipper, the upper stop and the lower stop still have design defects, so that the upper slider is very easy to be clamped at the upper stop or the lower slider is very easy to be clamped at the lower stop, and the two sliders are very unsmooth when the zipper teeth are opened, so that the zipper cannot be opened quickly.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a two zippers that open, when pulling separation backstop's right backstop and left backstop, the right backstop relies on the gap of left backstop and pull head to stir left backstop and is rotatory around left bump, and the pull head separates the interlock chain tooth that directly links to each other with backstop portion under the guide of backstop portion, avoids the pull head jamming, conveniently opens the zip fastener fast.

The utility model provides a two division zippers, its characterized in that, including pull head and the backstop portion that is used for restricting the pull head that slides and deviates from, backstop portion includes relative right backstop and the left backstop that sets up, the outside of right backstop is equipped with the right spacing wall identical with the right side die cavity lateral wall of pull head, the outside of left backstop is equipped with smooth continuous left spacing wall and left dodges the wall, left spacing wall is identical with the left bump downside that the left side die cavity lateral wall of pull head was established, left dodges the wall and separates with left bump upside;

when the pull head separates from the stopping part, the right stopping part stirs the left stopping part to rotate around the left convex point by depending on a gap between the left avoiding wall and the upper side of the left convex point, and the pull head separates from the occluded chain teeth directly connected with the stopping part under the common guide of the right limiting wall and the left limiting wall.

Preferably, the inner side of the right stopping block is provided with a limiting tooth, and the inner side of the left stopping block is provided with a limiting groove which is matched with the limiting tooth and used for limiting the movement of the right stopping block and the left stopping block along the thickness direction and the width direction of the slider.

Preferably, the groove bottom plate of the limiting groove is triangular and is integrally embedded in the inner side of the left stop.

Preferably, one end of the left stopping block close to the limiting groove is provided with an engaging part engaged with the first zipper teeth close to the left stopping block, and the engaging part comprises an engaging groove matched with the zipper teeth of the zipper teeth and an engaging tooth matched with the neck of the zipper teeth.

Preferably, the engaging tooth is embedded with a stop tooth which is abutted against an abutting groove arranged on the side surface of the first element and used for limiting the element to move along the thickness direction of the slider.

Preferably, one end of the left stop, which is far away from the occlusion part, is provided with a round ball head.

Preferably, one end of the left stop, which is far away from the limit groove, bends and tilts towards the end far away from the right stop.

Preferably, two sides of one end, away from the limiting teeth, of the right stop are provided with protruding blocks which respectively abut against the upper bottom plate and the lower bottom plate of the slider.

Preferably, the side surface of the limit tooth is flush with the side surface of the right stop close to the upper bottom plate.

Preferably, the convex block has a circular arc shape.

Compared with the prior art, the utility model provides a two zip fasteners that open, including pull head and backstop portion, utilize the pull head that backstop portion restriction slided to deviate from. The stopping part comprises a right stopping part and a left stopping part which are oppositely arranged, the outer side of the right stopping part is provided with a right limiting wall, and the right limiting wall is matched with the side wall of a right cavity of the pull head; the outer side of the left stop is provided with a left limiting wall and a left avoiding wall which are smoothly connected, the left limiting wall is matched with the lower side of a left convex point arranged on the side wall of a left cavity of the pull head, and the left avoiding wall is separated from the upper side of the left convex point.

When the pull head separates from the stopping part, the pull head slides to the occluded chain teeth along the outer side of the right stopping block and the outer side of the left stopping block respectively, the right stopping block stirs the left stopping block to rotate around the left convex point by depending on a gap between the left avoiding wall and the upper side of the left convex point, and the pull head separates from the occluded chain teeth directly connected with the stopping part under the common guide of the right limiting wall and the left limiting wall. Obviously, the utility model provides a two division zippers make left backstop rotate for right backstop when the pull head slides through optimizing backstop's structure, effectively avoid the pull head card in backstop portion department, and the pull head slides more smoothly, does benefit to and opens the zip fastener fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a view showing a structure of a double-open slide fastener according to an embodiment of the present invention;

FIG. 2 is an assembled view of the stop portion and the coupling element of FIG. 1;

FIG. 3 is an assembled cross-sectional view of the slider and stop shown in FIG. 1 with the stop closed;

FIG. 4 is an assembled cross-sectional view of the slider and stop of FIG. 1 with the stop about to separate;

FIG. 5 is an assembled cross-sectional view of the slider and stop shown in FIG. 1 with the stop separated;

FIG. 6 is an assembled view of the stop portion of FIG. 1 engaged with a first element;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is an axial view of the left stop of FIG. 1;

FIG. 9 is another axial view of the left stop of FIG. 1;

FIG. 10 is a front view of the left stop of FIG. 8;

FIG. 11 is a bottom view of the left stop of FIG. 8;

FIG. 12 is an axial view of the right stop of FIG. 1;

FIG. 13 is another axial view of the right stop of FIG. 1;

FIG. 14 is a front view of the right stop of FIG. 12;

fig. 15 is a bottom view of the right stop of fig. 12.

The reference numbers are as follows:

the zipper tape 1, the zipper teeth 2, the slider 3, the upper pull piece 41, the lower pull piece 42 and the stopping part 5;

a support core 11 and a reinforcement 12;

sprocket 21 and neck 22;

an upper slider 301 and a lower slider 302;

a left salient point 31, a movement 32 and an upper bottom plate 33;

left and right stops 51 and 52;

a right limit wall 521, a limit tooth 522 and a bump 523;

the left limiting wall 511, the left avoiding wall 512, the limiting groove 513, the groove bottom plate 514, the engagement groove 515, the engagement teeth 516, the stop teeth 517 and the spherical head 518.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 15, fig. 1 is a structural diagram of a double-open zipper according to an embodiment of the present invention;

FIG. 2 is an assembled view of the stop portion and the coupling element of FIG. 1; FIG. 3 is an assembled cross-sectional view of the slider and stop shown in FIG. 1 with the stop closed; FIG. 4 is an assembled cross-sectional view of the slider and stop of FIG. 1 with the stop about to separate;

FIG. 5 is an assembled cross-sectional view of the slider and stop shown in FIG. 1 with the stop separated; FIG. 6 is an assembled view of the stop portion of FIG. 1 engaged with a first element; FIG. 7 is an exploded view of FIG. 6; FIG. 8 is an axial view of the left stop of FIG. 1;

FIG. 9 is another axial view of the left stop of FIG. 1; FIG. 10 is a front view of the left stop of FIG. 8; FIG. 11 is a bottom view of the left stop of FIG. 8; FIG. 12 is an axial view of the right stop of FIG. 1; FIG. 13 is another axial view of the right stop of FIG. 1; FIG. 14 is a front view of the right stop of FIG. 12; fig. 15 is a bottom view of the right stop of fig. 12.

The embodiment of the utility model discloses double-end zipper, be adapted to well surplus dress.

The utility model provides a double-end zip fastener includes two chain belts 1, two rows locate the chain tooth 2 of two chain belts 1 opposite sides respectively, adorn last pull head 301 and lower head 302 on two rows of chain teeth 2, adorn respectively in last pull-on piece 41 and the lower pull-on piece 42 of last pull head 301 and lower head 302 and two sets of backstop portion 5 of adorning in two chain belts 1 both ends respectively, every backstop portion 5 of group all is used for restricting the pull head 3 that slides and deviates from, avoids pull head 3 to throw off chain belt 1.

For preventing that chain 2 from puncturing chain belt 1, the opposite side of two chain belts 1 has woven respectively and has supported core 11, and the cross section of supporting core 11 is circular, and the diameter of supporting core 11 is greater than the thickness of chain belt 1, and chain 2 die-casting prevents that chain 2 from warping on supporting core 11, is favorable to promoting chain belt 1's aesthetic property and life.

Both ends of two chain belts 1 all design and have reinforcing part 12, and every group backstop portion 5 all is equipped with on reinforcing part 12, prevents that chain belt 1 warp or damaged. The reinforcement 12 may be made of, but not limited to, cloth glue.

The stopping portion 5 includes a right stopping portion 52 and a left stopping portion 51, which are oppositely disposed, and specifically, the right stopping portion 52 and the left stopping portion 51 are respectively integrally disposed on opposite sides of the two chain belts 1.

The right stop 52 is provided with a right stop wall 521 at the outer side, which is matched with the side wall of the right cavity of the slider 3, so that the slider 3 is guided by the right stop 52 to smoothly slide to the engaged element 2. The outer side of the right stopper 52 refers to the side of the right stopper 52 away from the left stopper 51. The right side cavity is a cavity positioned on the right side of the pole core of the pull head 3, and the side wall of the right side cavity is the inner side wall of the split type side plate formed by combining the flanging of the upper bottom plate 33 and the flanging of the lower bottom plate of the pull head 3.

The outer side of the left stopper 51 is provided with a left limit wall 511 and a left avoidance wall 512 which are smoothly connected, the side wall of a left cavity of the pull head 3 is provided with a left convex point 31 which protrudes inwards, the left limit wall 511 is matched with the lower side of the left convex point 31, so that the pull head 3 slides downwards to the zipper teeth 2 under the guidance of the right limit wall 521 and the left limit wall 511, and a condition is provided for separating the zipper teeth 2. The left avoiding wall 512 is separated from the upper side of the left salient point 31, that is, the inclination of the left avoiding wall 512 is greater than that of the upper side of the left salient point 31, so that the right stopper 52 can rotate. The outer side of the left stopper 51 refers to the side of the right stopper 52 away from the right stopper 52.

Specifically, the stopping portion 5 includes an upper stopping portion and a lower stopping portion respectively disposed at the upper end and the lower end of the chain belt 1, the upper stopping portion is used for limiting the upper slider 301, the lower stopping portion is used for limiting the lower slider 302, and the upper stopping portion and the lower stopping portion have the same structure, which is referred to above. The right backstop 52 of the upper backstop part and the right backstop 52 of the lower backstop part are respectively arranged at the upper end and the lower end of the right chain belt, and the left backstop 51 of the upper backstop part and the left backstop 51 of the lower backstop part are respectively arranged at the upper end and the lower end of the left chain belt.

When the pull head 3 separates the stopping part 5, the pull head 3 slides to the engaging element 2 along the outer side of the right stopping part 52 and the outer side of the left stopping part 51 respectively, the right stopping part 52 stirs the left stopping part 51 to rotate around the left salient point 31 by depending on a gap between the left avoiding wall 512 and the upper side of the left salient point 31, one end of the left stopping part 51 close to the element 2 is close to the right stopping part 52, the width of one end of the stopping part 5 close to the element 2 is smaller than the maximum width of a cavity of the pull head 3, and the pull head 3 is separated from the engaging element 2 directly connected with the stopping part 5 under the common guide of the right limiting wall 521 and the left limiting wall 511.

To sum up, the utility model provides a two open zippers make left backstop 51 rotate for right backstop 52 when pull head 3 slides through optimizing backstop 5's structure, effectively avoid pull head 3 card in backstop 5 department, pull head 3 slides more smoothly, do benefit to and open the zip fastener fast.

The inner side of the right stopper 52 is provided with a limiting tooth 522, the inner side of the left stopper 51 is provided with a limiting groove 513, the limiting tooth 522 is matched with the limiting groove 513, and the right stopper 52 and the left stopper 51 are limited to move along the thickness direction and the width direction of the slider 3, so that when the slider 3 is positioned at the stopping part 5, the zipper teeth 2 can be reliably occluded, and the occluded zipper teeth 2 are prevented from being dislocated. The inner side of the right stopper 52 and the inner side of the left stopper 51 are both directed toward the movement 32 of the slider 3.

The groove bottom plate 514 of the limiting groove 513 is triangular, and the groove bottom plate 514 is integrally embedded in the inner side of the left stop 51. The groove bottom plate 514 may be a right triangle, and the bevel edge of the groove bottom plate 514 is smoothly connected with the upper half of the inner side surface of the left stopper 51, so that the width of the lower part of the left stopper 51 is gradually widened in the direction approaching the fastener element 2. The depth of the stopper groove 513 is related to the thickness of the stopper tooth 522 and is not particularly limited.

One end of the left stopper 51 close to the limit groove 513 is provided with an engaging part, and the first element 2 close to the left stopper 51 is matched with the engaging part to guide the slider 3 to slide to the engaged element 2 quickly and accurately. The fastener element 2 includes a tooth root, a tooth 21 and a neck portion 22, the tooth root is connected to the fastener tape 1, the neck portion 22 is connected between the tooth 21 and the tooth root, and the width of the neck portion 22 is smaller than the width of the tooth 21 and the tooth root respectively. The engaging part comprises an engaging groove 515 and an engaging tooth 516, the engaging groove 515 is matched with the zipper teeth 21 of the zipper teeth 2, and the engaging tooth 516 is matched with the neck part 22 of the zipper teeth 2. The occlusion groove 515 is an arc groove, the occlusion teeth 516 are arc teeth, and the occlusion groove 515 is smoothly connected with the occlusion teeth 516.

The engaging teeth 516 are embedded with stop teeth 517, the side surface of the first element 2 is provided with a butting groove, and the stop teeth 517 are matched with the butting groove and used for limiting the element 2 to move along the thickness direction of the slider 3, so that the stop part 5 is further ensured to guide the slider 3 to slide to the element 2 quickly, and the slider 3 and the element 2 are prevented from being dislocated. Specifically, the stopper tooth 517 is a triangular tooth having an apex angle of 90 degrees. The abutting groove is specifically arranged on one side of the first zipper element 2 close to the lower bottom plate of the pull head 3.

One end, away from the occlusion part, of the left stopping piece 51 is provided with a round ball head 518, so that the left stopping piece 51 is prevented from scratching fingers of a user, and the user experience feeling is favorably improved.

The end of the left stop 51 away from the limit groove 513 is arc-shaped, and the arc-shaped structure is bent and tilted away from the right stop 52 to avoid interfering the sliding of the slider 3. The radian of the arc-shaped end of the left stopper 51 and the outer slope thereof are set according to the side wall of the slider 3, and are not particularly limited herein, but in any case, it is necessary to ensure that the left stopper 51 does not interfere with the sliding of the slider 3 toward the element 2. In addition, the width of the end of the left stopper 51 far away from the limiting groove 513 is smaller than that of the left cavity, so that the left stopper 51 can be conveniently pulled out of the cavity of the slider 3 when the slider 3 abuts against the right stopper 52.

The two sides of one end of the right stop 52 far away from the limit tooth 522 are provided with the convex blocks 523, when the zipper teeth 2 are occluded, the slider 3 is separated from the zipper teeth 2 and slides to the stop part 5, at this time, the upper bottom plate 33 and the lower bottom plate of the slider 3 are respectively abutted against the convex blocks 523 arranged on the upper side and the lower side of the right stop 52, and the slider 3 is prevented from being separated from the right stop 52. The bump 523 is arc-shaped to prevent the bump from scratching the user's finger.

It should be noted that one side of the limit tooth 522 is flush with one side of the right stopper 52 close to the upper base plate 33, and the height of the groove bottom plate 514 at the right stopper 52 is set according to the thickness of the limit tooth 522. The structure of the right backstop 52 and the left backstop 51 of above-mentioned record is recombined, the utility model discloses a whole structure of optimizing backstop portion 5 makes and still can cooperate with left backstop 51 on the left side chain belt 1 after the 180 degrees backs of upset around the right side chain belt 1, and the user need not to distinguish the upper and lower both ends of left side chain belt, and need not to overturn the adjustment left side chain belt repeatedly during the use, and it is more convenient to use.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A double-open zipper is characterized by comprising a pull head (3) and a stopping part (5) used for limiting the pull head (3) sliding through to be separated, wherein the stopping part (5) comprises a right stopping part (52) and a left stopping part (51) which are oppositely arranged, the outer side of the right stopping part (52) is provided with a right limiting wall (521) matched with the side wall of a right side cavity of the pull head (3), the outer side of the left stopping part (51) is provided with a left limiting wall (511) and a left avoiding wall (512) which are smoothly connected, the left limiting wall (511) is matched with the lower side of a left convex point (31) arranged on the side wall of the left side cavity of the pull head (3), and the left avoiding wall (512) is separated from the upper side of the left convex point (31);

when the pull head (3) separates the stopping part (5), the right stopping block (52) stirs the left stopping block (51) to rotate around the left salient point (31) by means of a gap between the left avoiding wall (512) and the upper side of the left salient point (31), and the pull head (3) separates the meshing chain teeth (2) directly connected with the stopping part (5) under the common guidance of the right limiting wall (521) and the left limiting wall (511).

2. The double-open zipper according to claim 1, wherein the right stopper (52) is provided at an inner side thereof with a limiting tooth (522), and the left stopper (51) is provided at an inner side thereof with a limiting groove (513) which is engaged with the limiting tooth (522) and is used for limiting the movement of the right stopper (52) and the left stopper (51) in the thickness direction and the width direction of the slider (3).

3. The double-open zipper according to claim 2, wherein the groove bottom plate (514) of the limiting groove (513) is triangular and integrally embedded at the inner side of the left stopper (51).

4. The double-opening zipper according to claim 2, wherein one end of the left stopper (51) close to the limiting groove (513) is provided with an engaging part engaged with the first zipper element (2) close to the left stopper (51), and the engaging part comprises an engaging groove (515) matched with the zipper teeth (21) of the zipper elements (2) and an engaging tooth (516) matched with the neck part (22) of the zipper elements (2).

5. The double open slide fastener according to claim 4, wherein said engaging tooth (516) is embedded with a stopper tooth (517) which abuts against an abutment groove provided on a side surface of a first of said elements (2) and limits movement of said elements (2) in a thickness direction of said slider (3).

6. Double open zipper according to claim 4, characterised in that the end of the left stop (51) remote from the bite is provided with a rounded head (518).

7. The double-open zipper according to claim 2, wherein the end of the left stopper (51) far away from the limiting groove (513) is bent and tilted away from the right stopper (52).

8. The double-opening zipper according to any one of claims 2 to 7, wherein two sides of one end of the right stopper (52) far away from the limit teeth (522) are provided with convex blocks (523) which respectively abut against the upper bottom plate (33) and the lower bottom plate of the slider (3).

9. The double open zipper according to claim 8, wherein the side of the stop tooth (522) is flush with the side of the right stop (52) close to the upper base plate (33).

10. The double-open slide fastener according to claim 8, wherein said projecting blocks (523) are circular-arc shaped.

Images