CN213882005U

CN213882005U - Zipper long chain

Info

Publication number: CN213882005U
Application number: CN202023198535.4U
Authority: CN
Inventors: 陈志建; 郑志华
Original assignee: Jinjiang Xurisheng Zipper Manufacturing Co ltd
Current assignee: Jinjiang Xurisheng Zipper Manufacturing Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-08-06
Anticipated expiration: 2030-12-26

Abstract

The application relates to a zipper long chain, which comprises two cloth belts and two tooth chains, wherein the two tooth chains are respectively arranged at the edges of the opposite sides of the two cloth belts and positioned on the same side of the two cloth belts, each tooth chain comprises teeth which are sequentially and spirally connected along the extension direction of the cloth belts, all the teeth are surrounded and surrounded by a rib belt, each cloth belt comprises a surrounding part and a free part, the surrounding parts are coated on the tooth chains except the other side edges of one side of the other tooth chain, and the surrounding parts are sewn with the rib belt; the free part is connected to one side of the surrounding part and is provided with a connecting piece, when the two tooth chains are meshed, the two free parts are mutually abutted, and the two connecting pieces of the two free parts are mutually connected; the connecting piece is a magnetic block. The utility model provides a zip fastener long chain can make between two free portions the butt inseparabler through setting up the magnetic path, reduces the clearance between two free portions, improves the dirty condition that causes the zip fastener to open and close not smooth and easy in getting into the sprocket that gets into.

Description

Zipper long chain

Technical Field

The application relates to the technical field of zipper design, in particular to a zipper long chain.

Background

Zippers are broadly divided into two categories: the first type is a normal type slide fastener in which right and left element rows to be engaged are exposed on a tape surface of a fastener tape, and the second type is a concealed type slide fastener (concealed slide fastener) in which the right and left element rows to be engaged are concealed from view. Among them, the concealed slide fastener has an advantage that it does not hinder the design of products due to its concealing property, and is suitably applied to products such as various clothes and shoes.

The stealthy zip fastener among the prior art is usually fixed the strap into the U type completely, and after the sprocket intermeshing of two chains, the U type end of two straps is mutually supported and is pasted to hide the zip fastener, realize the stealthy of zip fastener.

In view of the above-mentioned related art, the inventors consider that the following drawbacks exist:

because the engaged zipper teeth still have certain movement allowance, the two cloth belts are not tightly attached, dirt easily enters the zipper teeth from the gap between the two cloth belts, and the zipper is unsmooth to open and close.

SUMMERY OF THE UTILITY MODEL

In order to improve the dirty condition that causes the zip fastener to open and close in getting into the sprocket not smoothly, this application provides a zip fastener long chain.

The zipper long chain adopts the following technical scheme:

a zipper long chain comprises two cloth belts and two tooth chains, wherein the two tooth chains are respectively arranged at the edges of the opposite sides of the two cloth belts and positioned on the same side of the two cloth belts, each tooth chain comprises chain teeth which are sequentially and spirally connected along the extension direction of the cloth belts, a rib belt is encircled and surrounded by all the chain teeth, each cloth belt comprises a surrounding part and a free part, the surrounding parts are wrapped on the other side edges of the tooth chains except the side edge right opposite to the other tooth chain, and the surrounding parts are sewn with the rib belt; the free part is connected to one side of the surrounding part, the free part is provided with a connecting piece, when the two tooth chains are meshed, the two free parts are mutually abutted, and the two connecting pieces of the two free parts are mutually connected.

By adopting the technical scheme, the surrounding part is coated on the other side edges of the zipper except the side opposite to the other zipper, and is used for hiding, so that the other side edges of the zipper are not directly exposed out of the cloth belt, and the integrity and the attractiveness of an article provided with the zipper are improved; when the two tooth chains are engaged, the two free parts are mutually abutted and used for hiding one side of the tooth chain opposite to the other tooth chain; in addition, the arrangement of the two connecting pieces can enable the free parts to be abutted more tightly, gaps between the two free parts are reduced, the condition that the two bending sections are separated from each other can be reduced, and the condition that the zipper is opened and closed unsmoothly due to the fact that dirt enters the zipper teeth is improved.

Optionally, the connecting piece is a magnetic block, and the magnetic poles of the two magnetic blocks at opposite sides are opposite.

By adopting the technical scheme, the connecting piece is set to be the magnetic block, and the two magnetic blocks enable the free ends of the two cloth belts to be tightly abutted in a magnetic adsorption mode, so that the possibility that dirt enters the zipper teeth to cause unsmooth opening and closing of the zipper is reduced; the non-physical connection mode between the two magnetic blocks ensures that the connecting piece does not need to be additionally disassembled when the zipper is opened, and the convenience of the zipper in use is not influenced.

Optionally, the free portion includes a bending section and a straight line section, one end of the bending section is connected to the surrounding portion, and the other end of the bending section is connected to the straight line section; when the two tooth chains are meshed, the two bending sections are abutted; the magnetic block is matched and arranged on one side of the bending section, which is far away from the other bending section.

By adopting the technical scheme, the free part comprises the straight line section and the bending section, wherein the straight line section has the function of hiding the zipper head of the zipper, so that the integrity and the attractiveness of an article provided with the zipper can be further improved; the bending section is used for mounting the magnetic block.

The magnetic block is installed after the bending section in a matching manner and has the following advantages: firstly, the magnetic block can be hidden in the cloth belt, so that the integrity and the attractiveness of an article provided with the zipper are further improved; secondly, the magnetic block is easy to adsorb dust, a layer of cloth is arranged at the outer side of the magnetic block after the magnetic block is arranged on the bending section, and the magnetic force applied to the dust outside the cloth is small, so that the dust is not easy to accumulate in the gap between the two free parts; and thirdly, the magnetic block can play a role in fixing the shape of the free part, so that the free part becomes rigid.

Optionally, the cross section of the magnetic block along the extension direction of the cloth belt is circular.

Through adopting foretell technical scheme, establish the cross section shape of magnetic path along strap extending direction into circularly, when the straightway was close to the surrounding part, the arc surface of magnetic path can make the free portion have circular third dimension, improves the decorative of strap.

Optionally, the cross section of the magnetic block along the extension direction of the cloth tape is rectangular.

By adopting the technical scheme, one side of the free part, which faces the other free part, becomes stiff by the magnetic blocks, the abutting area between the two bent sections is large, the tightness between the opposite sides of the two free parts can be improved when the two magnetic blocks are adsorbed, and the possibility of dirt entering the inside of the sprocket is further reduced; the rectangular magnetic block can also reduce the situation that the bending section moves towards the direction close to the surrounding part, so that the possibility that the zipper teeth sewed on the surrounding part are concave or convex is reduced.

Optionally, the cross section of the magnetic block along the extension direction of the cloth belt is oval.

By adopting the technical scheme, the cross section of the magnetic block along the extension direction of the cloth belt is designed to be oval, so that the magnetic block has the advantages of a rectangular magnetic block and a circular magnetic block; when the oval small circular arc surface makes the free part have the fillet third dimension, the oval large circular arc surface can improve the tightness of butt between two free parts, and the possibility that dirt enters the inside of the sprocket is reduced.

Optionally, a limiting layer is arranged between two end portions of the bending section, and the magnetic block is located between the limiting layer and the bending section.

By adopting the technical scheme, the limiting layers are arranged between the two end parts of the bending section, and the magnetic block is arranged between the limiting layers and the bending section and can limit the movement of the magnetic block, so that the positions of the magnetic block are kept relatively fixed when the two tooth chains are engaged or disengaged.

Optionally, the magnetic blocks are multiple, and all the magnetic blocks are arranged at intervals along the extension direction of the cloth belt.

Through adopting foretell technical scheme, set up all magnetic paths along the extending direction interval of strap, compare in a whole magnetic path, the magnetic path local deformation appears in the magnetic path of limited width, and the cracked possibility is less even, is favorable to prolonging the life of magnetic path.

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

1. the arrangement of the two magnetic blocks can enable the free parts to be abutted more tightly, reduce the gap between the two free parts and improve the condition that the zipper is not smoothly opened and closed due to dirt entering the zipper teeth;

2. the zipper and the magnetic block are both hidden in the cloth belt, so that the integrity and the attractiveness of an article provided with the zipper are improved;

3. the magnetic blocks are arranged at intervals, so that the possibility of local deformation and even breakage of the magnetic blocks can be reduced, and the service life of the magnetic blocks can be prolonged.

Drawings

FIG. 1 is an overall structural view of embodiment 1 of the present application;

FIG. 2 is a sectional view of a fastener chain in the extending direction of a tape in example 1 of the present application;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 of the present application;

FIG. 4 is a sectional view of a fastener chain in the extending direction of a tape in example 2 of the present application;

FIG. 5 is a sectional view of a fastener stringer along a tape extending direction in example 3 of the present application.

Description of reference numerals: 1. a cloth belt; 11. an enclosing section; 111. a first enclosure section; 112. a second enclosure section; 113. a third surrounding section; 12. a free portion; 121. bending the section; 1211. a limiting layer; 122. a straight line segment; 2. a chain; 21. a sprocket; 3. a tendon band; 4. a magnetic block.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Example 1

The embodiment of the application discloses a zipper long chain.

Referring to fig. 1 and 2, a zipper long chain comprises two cloth belts 1 and two tooth chains 2, wherein the two tooth chains 2 are respectively arranged at opposite side edges of the two cloth belts 1, and the two tooth chains 2 are positioned at the same side surface of the two cloth belts 1; the tooth chain 2 comprises chain teeth 21 which are sequentially spirally connected along the extending direction of the cloth belt 1, and all the chain teeth 21 are surrounded by the rib belt 3.

Referring to fig. 2, each cloth tape 1 includes a surrounding portion 11 and a free portion 12, the surrounding portion 11 includes a first surrounding section 111, a second surrounding section 112 and a third surrounding section 113 which are connected in sequence, the second surrounding section 112 is located on one side of a tooth chain 2 arranged on the cloth tape 1 and departing from another tooth chain 2, the first surrounding section 111 and the third surrounding section 113 are respectively located on two sides of the tooth chain 2 adjacent to the second surrounding section 112, and the first surrounding section 111 and the third surrounding section 113 are all sewn to a rib belt 3 in a tooth 21; the surrounding portion 11 is provided to play a role of hiding the fastener chain 2 when the fastener chain 2 is closed.

Referring to fig. 2, each free portion 12 includes a bending section 121 and a straight section 122, one end of the bending section 121 is connected to one end of the third surrounding section 113 far away from the second surrounding section 112, and the other end of the bending section 121 is connected to one end of the straight section 122; when the teeth 21 of the two links 2 are engaged, the bent sections 121 abut against each other, thereby completely hiding the slide fastener.

Referring to fig. 2, a connecting piece is installed on one side of each bending section 121 deviating from the other bending section 121, the connecting piece is preferably a magnetic block 4, and magnetic poles on opposite sides of the two magnetic blocks 4 are opposite, so that the two magnetic blocks 4 can attract each other across the two bending sections 121, the abutting tightness of the two bending sections 121 can be improved, the situation that the two bending sections 121 are separated from each other is reduced, the effect of hiding the magnetic blocks 4 can be achieved, and the integrity and the attractiveness of an article provided with the zipper are improved.

Referring to fig. 2, the cross-sectional shape of the magnetic block 4 along the extension direction of the cloth tape 1 is circular, the arc surface of the magnetic block 4 can keep the shape of the bending section 121, and when the straight line segment 122 approaches to the surrounding part 11, the free part 12 is not easy to have an obvious convex corner, so that the bending section 121 has a rounded stereoscopic impression, and the decoration performance of the cloth tape 1 is improved.

Referring to fig. 3, a plurality of magnetic blocks 4 are arranged at each bending section 121, and the plurality of magnetic blocks 4 are arranged at equal intervals along the extending direction of the cloth tape 1; the magnetic blocks 4 with limited width have low possibility of local deformation and even fracture, the service life of the magnetic blocks 4 is prolonged, and the gaps between the adjacent magnetic blocks 4 can be used as transition areas when the cloth belts 1 are bent, so that the cloth belts 1 can be bent along the length direction of the cloth belts 1, and the magnetic blocks have good toughness.

Referring to fig. 2 and 3, a limiting layer 1211 is disposed between two end portions of each bending section 121, and the limiting layer 1211 is wrapped on the other side edge of the magnetic block 4 away from the bending section 121 and is used for fixing the position of the magnetic block 4; the stopper 1211 is formed by weaving elastic yarns.

The implementation principle of the embodiment 1 of the application is as follows:

when the two tooth chains 2 are engaged, the bending sections 121 of the two cloth belts 1 are mutually abutted, so that the tooth chains 2 are hidden under the cloth belts 1, and the integrity and the attractiveness of an article provided with the zipper are improved; the two magnetic blocks 4 are mutually attracted, so that the tightness when the two bent sections 121 are abutted is improved, the gap between the two bent sections 121 is reduced, the condition that the two bent sections 121 are mutually separated can also be reduced, and the condition that the zipper is opened and closed unsmoothly due to the fact that dirt enters the zipper teeth 21 is improved.

Example 2

The embodiment of the application discloses a zipper long chain.

Referring to fig. 4, a zipper chain disclosed in the embodiment of the present application is different from that of embodiment 1 in that:

the cross section of the magnetic block 4 in the embodiment of the application along the extension direction of the cloth belt 1 is rectangular.

The implementation principle of embodiment 2 of the present application is as follows:

the rectangular magnetic block 4 enables the bending sections 121 to become rigid, the abutting area between the two bending sections 121 is large, the abutting tightness between the two bending sections 121 is favorably improved, and the possibility that dirt enters the inside of the sprocket 21 is further reduced; the corners of the rectangular magnetic block 4 make the bending section 121 not easy to slide, so that the situation that the bending section 121 moves towards the third surrounding section 113 can be reduced, and the possibility that the zipper teeth 21 sewed on the third surrounding section 113 are concave or convex is reduced.

Example 3

The embodiment of the application discloses a zipper long chain.

Referring to fig. 5, a zipper chain disclosed in the embodiment of the present application is different from that of embodiment 2 in that:

the cross section of the magnetic block 4 in the embodiment of the application along the extension direction of the cloth tape 1 is oval, and the long axis of the magnetic block 4 is parallel to the opposite sides of the two bent sections 121.

The implementation principle of embodiment 3 of the application is as follows:

the elliptic magnetic block 4 enables the bending sections 121 to have a round corner stereoscopic impression, and meanwhile, the contact area between the two bending sections 121 is large, so that the abutting tightness between the two bending sections 121 can be improved, and the possibility that dirt enters the inside of the sprocket 21 is reduced.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, 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 a zipper long chain, includes two strap (1) and two chain (2), two chain (2) set up respectively in two the edge of strap (1) opposite side, and be located two strap (1) is same side, chain (2) include the edge the extending direction of strap (1) is spiral connection's sprocket (21) in proper order, and all sprocket (21) encircle to enclose rib area (3), its characterized in that: the cloth belt (1) comprises a surrounding part (11) and a free part (12), the surrounding part (11) is covered on the other side edges of the tooth chain (2) except the side opposite to the other tooth chain (2), and the surrounding part (11) is in seam joint with the rib belt (3); the free portion (12) is connected to one side of the surrounding portion (11), the free portion (12) is provided with a connecting piece, when the two tooth chains (2) are meshed, the two free portions (12) are mutually abutted, and the two connecting pieces of the two free portions (12) are mutually connected.

2. The zipper chain of claim 1, wherein: the connecting piece is a magnetic block (4), and the magnetic poles at the opposite sides of the two magnetic blocks (4) are opposite.

3. The zipper chain of claim 2, wherein: the free part (12) comprises a bending section (121) and a straight line section (122), one end of the bending section (121) is connected to the surrounding part (11), and the other end of the bending section is connected to the straight line section (122); when the two tooth chains (2) are engaged, the two bending sections (121) are abutted; the magnetic block (4) is matched and installed on one side, away from the other bending section (121), of the bending section (121).

4. The zipper chain of claim 3, wherein: the cross section of the magnetic block (4) along the extension direction of the cloth belt (1) is circular.

5. The zipper chain of claim 3, wherein: the cross section of the magnetic block (4) along the extension direction of the cloth belt (1) is rectangular.

6. The zipper chain of claim 3, wherein: the cross section of the magnetic block (4) along the extension direction of the cloth belt (1) is oval.

7. The zipper chain of claim 3, wherein: and a limiting layer (1211) is arranged between two end parts of the bending section (121), and the magnetic block (4) is positioned between the limiting layer (1211) and the bending section (121).

8. The zipper chain of claim 3, wherein: the magnetic blocks (4) are arranged in a plurality, and all the magnetic blocks (4) are arranged at intervals along the extension direction of the cloth belt (1).