CN103844451B - Double-deck Strong zip fastener - Google Patents
Double-deck Strong zip fastener Download PDFInfo
- Publication number
- CN103844451B CN103844451B CN201410084390.5A CN201410084390A CN103844451B CN 103844451 B CN103844451 B CN 103844451B CN 201410084390 A CN201410084390 A CN 201410084390A CN 103844451 B CN103844451 B CN 103844451B
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- China
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- slide fastener
- tooth bar
- chain tooth
- depressed part
- chain cloth
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Abstract
A kind of double-deck Strong zip fastener, including two slide fastener chain cloth, chain tooth bar and slider of zipper fastener, the two upper and lower two sides of slide fastener chain cloth correspondence lateral margin are all sewed with chain tooth bar；Chain tooth bar is that plastic strip winds the strip forming multiple spiral coil sprockets continuously, sprocket includes bite and suturing part, each suturing part is equipped with the depressed part that cross section is W-shaped, having the projection protruded to notch direction from bottom land in the middle part of depressed part, the depressed part of protruding both sides respectively forms a suture groove；The depressed part of the chain tooth bar of slide fastener chain cloth lateral margin place one side surface is arranged at chain tooth bar and deviates from a side surface of slide fastener chain cloth, and the depressed part of the chain tooth bar on opposite side surface, slide fastener chain cloth lateral margin place is located at a chain tooth bar side surface towards slide fastener chain cloth, the protruding card in depressed part embeds slide fastener chain cloth.Owing to the chain tooth bar of side makes so that projection embeds slide fastener chain cloth that sprocket is firm fixing not easily to be loosened, outwardly, stitching thread is positioned the depressed part of the chain tooth bar of opposite side by two suture grooves, slide fastener not cracky or pop.
Description
Technical field
The present invention relates to zipper technology field, particularly relate to a kind of double-deck Strong zip fastener.
Background technology
Case, wrap in our daily life for loading medicated clothing, luggage and other the articles for daily use, in travelling, especially played great role, and the good closure effect of the slide fastener that case, bag use plays vital effect for avoiding object in case, bag to lose.Although, existing slide fastener folding frequency repeatedly is higher, slide fastener is easily worn and torn tear, especially, house in case, bag object is more and during stretching slide fastener and in case, bag handling process, all that the requirement of strength of slide fastener itself is higher, now, slide fastener is very easy to occur damaged and pop, and causes that the property in case, bag very easily is lost or stolen.
As No. 201220335087.4 Chinese utility model patents disclose a kind of slide fastener, the suturing part of each of which sprocket is provided with groove for housing stitching thread on the side surface deviating from slide fastener band chain cloth.But, only by the suturing of stitching thread between its sprocket and slide fastener band chain cloth, it combines still defective tightness, and situation that is softened and that make slide fastener breakage even pop easily occurs.
Summary of the invention
The technical problem to be solved is to provide a kind of double-deck Strong zip fastener, and its sprocket can firm be combined with slide fastener chain cloth, can be prevented effectively from slide fastener breakage.
For solving above-mentioned technical problem, the present invention provides a kind of double-deck Strong zip fastener, including two slide fastener chain cloth, the chain tooth bar being sutured on slide fastener chain cloth and the slider of zipper fastener for making chain tooth bar be engaged or separate, the upper and lower two sides, corresponding lateral margin place of described two slide fastener chain cloth are all sewed with chain tooth bar, and the chain tooth bar being sutured in the corresponding side surface of two slide fastener chain cloth lateral margins respectively realizes synchronizing occlusion or separating by described slider of zipper fastener；Described chain tooth bar is the strip that plastic strip winds the sprocket forming multiple spiral coil continuously, described sprocket includes being positioned at side in order to the bite being engaged each other and for being sutured in the suturing part on slide fastener chain cloth, described each suturing part is equipped with the depressed part that a cross section is W-shaped, the middle part of depressed part has the projection protruded from bottom land to notch direction, and the depressed part of protruding both sides respectively forms a suture groove；The depressed part of the chain tooth bar of described each slide fastener chain cloth lateral margin place one side surface is arranged at chain tooth bar and deviates from a side surface of slide fastener chain cloth, and the depressed part of the chain tooth bar on opposite side surface, each slide fastener chain cloth lateral margin place is arranged at a chain tooth bar side surface towards slide fastener chain cloth, and the protruding card in the middle part of depressed part embeds slide fastener chain cloth.
The invention has the beneficial effects as follows: adopt bilayer Strong zip fastener of the present invention, when sewing up, the protruding cocker in sprocket depressed part is embedded in slide fastener chain cloth, is fixed on corresponding slide fastener chain cloth not easily loosens so that sprocket is firm.And, when being applied to double-layered slide fastener product, the depressed part on the chain tooth bar of slide fastener chain cloth side can be made to arrange outwardly, and the depressed part on the chain tooth bar on opposite side surface is arranged inwardly, stitching thread is positioned well by the suture groove of the depressed part arranged outwardly, and make the chain tooth bar that depressed part is arranged outwardly also be fixed very well, so that slide fastener not cracky or pop, the performance of especially anti-lateral pull is greatly improved.
Accompanying drawing explanation
Fig. 1 is the double-deck Strong zip fastener cross-sectional view of the present invention.
Fig. 2 is the cross-sectional view of the single sprocket of the chain tooth bar of the double-deck Strong zip fastener of the present invention.
Detailed description of the invention
In order to more clearly set forth, the present invention is the present invention be further described below in conjunction with accompanying drawing.
As shown in Figures 1 and 2, the present invention provides a kind of double-deck Strong zip fastener, described double-deck Strong zip fastener include two slide fastener chain cloth 1,2, the chain tooth bar that is sutured on two slide fastener chain cloth 1,2 respectively and the slider of zipper fastener (not shown go out) for promoting chain tooth bar to be engaged mutually or separate, the upper and lower two sides, corresponding lateral margin place of described two slide fastener chain cloth 1,2 are all sewed with chain tooth bar (figure does not indicate), and the chain tooth bar being sutured in the corresponding side surface of two slide fastener chain cloth 1,2 lateral margins respectively realizes synchronizing occlusion or separating by described slider of zipper fastener.
The structure of the chain tooth bar that described correspondence is sutured in a lateral margin place of slide fastener chain cloth 1,2 is identical, is plastic strip and winds the strip of the sprocket forming multiple spiral coil continuously, but two chain tooth bars are that symmetry is sutured on slide fastener chain cloth 1,2.Shown in Fig. 2, for the single sprocket 30 of the chain tooth bar that is sutured on slide fastener chain cloth 1 so that the concrete structure of sprocket to be described, described sprocket 30 includes being positioned at side in order to the bite (figure does not indicate) being engaged each other and the suturing part 32 for being sutured on slide fastener chain cloth 1, described each suturing part 32 is equipped with the depressed part that a cross section is W-shaped, the middle part of depressed part has the projection 34 protruded from bottom land to notch direction, and the depressed part of protruding both sides respectively forms a suture groove 36.When sewing up, projection 36 cocker in sprocket 30 depressed part is embedded in slide fastener chain cloth 1, so that sprocket 30 corresponding firm being fixed on not easily loosens on slide fastener chain cloth 1.
In one embodiment of the present of invention as shown in Figure 1, the upper and lower surface at slide fastener chain cloth 1 one lateral margin place has respectively seamed a chain tooth bar, and the upper and lower surface at slide fastener chain cloth 2 one lateral margin place has also respectively seamed a chain tooth bar, thus forming double-layered slide fastener, two the chain tooth bars wherein laying respectively at slide fastener chain cloth 1,2 upper surface can be mutually twisted, and two the chain tooth bars laying respectively at slide fastener chain cloth 1,2 lower surface also can be mutually twisted.And, when sewing up each chain tooth bar, the depressed part making the sprocket of the chain tooth bar of described each slide fastener chain cloth 1,2 lateral margin place one side surface is arranged at this sprocket and deviates from a side surface (namely arranging outwardly) of slide fastener chain cloth, and the sprocket depressed part of the chain tooth bar on opposite side surface, slide fastener chain cloth 1,2 lateral margin place is arranged at this sprocket side surface (namely arranging inwardly) towards slide fastener chain cloth, and the protruding card in the middle part of depressed part embeds slide fastener chain cloth 1,2.In the embodiment shown in fig. 1, it is make the depressed part being located at the sprocket 30,40 of the chain tooth bar of described each slide fastener chain cloth 1,2 lateral margin place downside surface be arranged at this sprocket 30,40 to deviate from a side surface of slide fastener chain cloth 1,2, and sprocket 60,70 depressed part being located at the chain tooth bar of slide fastener chain cloth 1,2 uper side surface is arranged at this sprocket 60,70 side surface towards slide fastener chain cloth 1,2, and projection 64,74 card in the middle part of depressed part embeds slide fastener chain cloth 1,2.By being so designed that, when sewing up, protruding 64,74 cards are embedded in slide fastener chain cloth 1,2, and the chain tooth bar of slide fastener chain cloth 1,2 lateral margin place uper side surface can be fixed on accordingly and not easily loosen on slide fastener chain cloth 1,2.And stitching thread 8 can be well carried out location by each suture groove 36,46 of the sprocket 30,40 of slide fastener chain cloth 1,2 lateral margin uper side surface, and the chain tooth bar of slide fastener chain cloth 1,2 lateral margin place downside surface also can be well fixed.So that slide fastener not cracky, the performance of especially anti-lateral pull is greatly improved.
Certainly, also the depressed part that can make the sprocket 60,70 of the chain tooth bar of each slide fastener chain cloth 1,2 lateral margin place uper side surface is arranged at this sprocket 60,70 and deviates from a side surface of slide fastener chain cloth 1,2, and sprocket 30,40 depressed part being located at the chain tooth bar of slide fastener chain cloth 1,2 downside surface is arranged at this sprocket 30,40 side surface towards slide fastener chain cloth 1,2, and projection 34,44 card in the middle part of depressed part embeds slide fastener chain cloth 1,2.And the equally possible above-mentioned good fixed effect of acquisition and anti-lateral pull performance.
The several specific embodiments being only the present invention disclosed above, but the present invention is not limited to this, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (1)
1. a double-deck Strong zip fastener, including two slide fastener chain cloth, the chain tooth bar being sutured on slide fastener chain cloth and the slider of zipper fastener for making chain tooth bar be engaged or separate, the upper and lower two sides, corresponding lateral margin place of described two slide fastener chain cloth are all sewed with chain tooth bar, and the chain tooth bar being sutured in the corresponding side surface of two slide fastener chain cloth lateral margins respectively realizes synchronizing occlusion or separating by described slider of zipper fastener；Described chain tooth bar is the strip that plastic strip winds the sprocket forming multiple spiral coil continuously, it is characterized in that, described sprocket includes being positioned at side in order to the bite being engaged each other and for being sutured in the suturing part on slide fastener chain cloth, described each suturing part is equipped with the depressed part that a cross section is W-shaped, the middle part of depressed part has the projection protruded from bottom land to notch direction, and the depressed part of protruding both sides respectively forms a suture groove；The depressed part of the chain tooth bar of described each slide fastener chain cloth lateral margin place one side surface is arranged at chain tooth bar and deviates from a side surface of slide fastener chain cloth, and the depressed part of the chain tooth bar on opposite side surface, each slide fastener chain cloth lateral margin place is arranged at a chain tooth bar side surface towards slide fastener chain cloth, and the protruding card in the middle part of depressed part embeds slide fastener chain cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084390.5A CN103844451B (en) | 2014-03-07 | 2014-03-07 | Double-deck Strong zip fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084390.5A CN103844451B (en) | 2014-03-07 | 2014-03-07 | Double-deck Strong zip fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103844451A CN103844451A (en) | 2014-06-11 |
| CN103844451B true CN103844451B (en) | 2016-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410084390.5A Active CN103844451B (en) | 2014-03-07 | 2014-03-07 | Double-deck Strong zip fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103844451B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183847B (en) * | 2017-06-20 | 2021-03-02 | 刘科军 | Single-lock type waterproof and windproof zipper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2647096Y (en) * | 2003-08-28 | 2004-10-13 | 梁玄龙 | Improvement of zipper structure |
| CN200983903Y (en) * | 2006-11-03 | 2007-12-05 | 张介宾 | Novel abrasion-proof slide fastener |
| CN201139140Y (en) * | 2008-01-24 | 2008-10-29 | 王联洲 | Tadpole shaped teeth for slide fastener |
| CN102247038A (en) * | 2011-04-07 | 2011-11-23 | 王联洲 | Double-layer tadpole-shaped chain tooth zipper and zipper head thereof |
| CN202112446U (en) * | 2011-06-17 | 2012-01-18 | 晋江福兴拉链有限公司 | Improved zipper |
| CN203860576U (en) * | 2014-03-07 | 2014-10-08 | 深圳市宝丽拉链有限公司 | Double-layer powerful zipper and zipper teeth |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1927429U (en) * | 1965-04-12 | 1965-11-18 | Prym Werke William | ZIPPER. |
| GB1128413A (en) * | 1966-09-06 | 1968-09-25 | Lightning Fasteners Ltd | Improvements in or relating to stringers for sliding clasp fasteners of the concealed element type |
| AT326067B (en) * | 1971-06-17 | 1975-11-25 | Yoshida Kogyo Kk | ZIPPER |
| JPS5429924Y2 (en) * | 1974-03-07 | 1979-09-21 |
-
2014
- 2014-03-07 CN CN201410084390.5A patent/CN103844451B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2647096Y (en) * | 2003-08-28 | 2004-10-13 | 梁玄龙 | Improvement of zipper structure |
| CN200983903Y (en) * | 2006-11-03 | 2007-12-05 | 张介宾 | Novel abrasion-proof slide fastener |
| CN201139140Y (en) * | 2008-01-24 | 2008-10-29 | 王联洲 | Tadpole shaped teeth for slide fastener |
| CN102247038A (en) * | 2011-04-07 | 2011-11-23 | 王联洲 | Double-layer tadpole-shaped chain tooth zipper and zipper head thereof |
| CN202112446U (en) * | 2011-06-17 | 2012-01-18 | 晋江福兴拉链有限公司 | Improved zipper |
| CN203860576U (en) * | 2014-03-07 | 2014-10-08 | 深圳市宝丽拉链有限公司 | Double-layer powerful zipper and zipper teeth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103844451A (en) | 2014-06-11 |
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