CN103844451A - Double-layer strong-force zipper and zipper teeth of zipper - Google Patents
Double-layer strong-force zipper and zipper teeth of zipper Download PDFInfo
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- CN103844451A CN103844451A CN201410084390.5A CN201410084390A CN103844451A CN 103844451 A CN103844451 A CN 103844451A CN 201410084390 A CN201410084390 A CN 201410084390A CN 103844451 A CN103844451 A CN 103844451A
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- Prior art keywords
- zipper
- slide fastener
- cloth
- tooth bar
- chain cloth
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Abstract
The invention discloses a double-layer strong-force zipper and zipper teeth of the zipper. The double-layer strong-force zipper comprises two pieces of zipper cloth, zipper tooth strips and a zipper head, wherein the zipper tooth strips are respectively sewed at the upper side surface and the lower side surface of the corresponding side edge parts of the two pieces of zipper cloth, and the zipper tooth strips respectively sewed at the upper side surface and the lower side surface of the corresponding side edge parts of the two pieces of zipper cloth realize the synchronous engagement or separation through the zipper head; the zipper tooth strips are long strips with a plurality of spiral coil-shaped zipper teeth and are formed by continuously coiling and winding the plastic strips, the zipper teeth comprise engaging parts and sewing parts, a recessed part with the W-shaped cross section is respectively arranged on each sewing part, the middle of each recessed part is respectively provided with a bulge projected in a direction from the groove bottom to the notch, and the recessed parts arranged at the two sides of the bulges respectively form a thread sewing groove. The bulges arranged in the recessed parts of the zipper teeth are embedded in the zipper cloth, so the zipper teeth are firmly fixed on the zipper cloth and cannot easily become loose, the recessed parts of the zipper tooth strip arranged at one side of the zipper cloth can also be arranged in the outward direction, sewing threads are positioned by the thread sewing grooves of the recessed part arranged in the outward direction, and the zipper cannot be easily damaged or cannot easily burst.
Description
Technical field
The present invention relates to slide fastener technical field, relate in particular to a kind of double-deck Strong zip fastener and zipper sprocket thereof.
Background technology
Case, wrap in our daily life for loading clothing, luggage and other daily necessities, especially aspect travelling, played great role, and the good closure effect of the slide fastener that case, bag use is for avoiding object in case, bag to lose the vital effect of playing.Although, existing slide fastener folding frequency is repeatedly higher, make slide fastener easily wear and tear and tear, especially, in case, bag when the more and stretching slide fastener of accommodating object and at case, wrap in handling process, all higher to the requirement of strength of slide fastener itself, now, slide fastener is very easy to occur damaged and pops, and causes property in case, bag very easily to lose or stolen.
Chinese utility model patent discloses a kind of slide fastener as No. 201220335087.4, and the suturing part of its each sprocket is provided with groove for accommodating suture on a side surface that deviates from slide fastener band chain cloth.But, between its sprocket and slide fastener band chain cloth, only depend on sutural suturing, still defective tightness of its combination, and be prone to situation softened and that slide fastener breakage is even popped.
Summary of the invention
Technical problem to be solved by this invention is, a kind of zipper sprocket is provided, and can firmly be combined with slide fastener chain cloth, effectively avoids slide fastener breakage.
The further technical problem to be solved of the present invention is, a kind of double-deck Strong zip fastener is provided, and can effectively avoid slide fastener breakage.
For solving the problems of the technologies described above, first the present invention provides a kind of zipper sprocket, comprise and be positioned at a side in order to the bite of interlock each other and for being sutured in the suturing part on slide fastener chain cloth, on described each suturing part, be equipped with the depressed part that a cross section is W shape, the middle part of depressed part has the projection of protruding to notch direction from bottom land, a suture groove of the each formation of depressed part of protruding both sides.
On the other hand, the present invention also provides a kind of double-deck Strong zip fastener, comprise two slide fastener chain cloth, be sutured in chain tooth bar on slide fastener chain cloth and for making the slider of zipper fastener of the interlock of chain tooth bar or separation, 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 respectively in the corresponding side surface of two slide fastener chain cloth lateral margins is realized synchronous interlock or separation by described slider of zipper fastener; Described chain tooth bar is the rectangular of the plastic strip continuous reeling sprocket that forms multiple helix rounds, described sprocket comprises and is positioned at a side in order to the bite of interlock each other and for being sutured in the suturing part on slide fastener chain cloth, on described each suturing part, be equipped with the depressed part that a cross section is W shape, the middle part of depressed part has the projection of protruding to notch direction from bottom land, a suture groove of the each formation of depressed part of protruding both sides.
Further, the depressed part of the chain tooth bar of described each slide fastener chain cloth lateral margin place one side surface is arranged at the side surface that chain tooth bar deviates from slide fastener chain cloth, and the depressed part of the chain tooth bar on each opposite side surface, slide fastener chain cloth lateral margin place is arranged at the side surface of chain tooth bar towards slide fastener chain cloth, and the protruding inlay card at depressed part middle part enters slide fastener chain cloth.
The invention has the beneficial effects as follows: adopt the double-deck Strong zip fastener of the present invention, in the time sewing up, the projection in sprocket depressed part can inlay card in slide fastener chain cloth, thereby make sprocket firm be fixed on corresponding slide fastener chain cloth, be difficult for loosening.And, in the time being applied to double-layered slide fastener product, can make the depressed part on the chain tooth bar of slide fastener chain cloth one side arrange outwardly, and depressed part on the chain tooth bar on opposite side surface arranges inwardly, suture is located well by the suture groove of the depressed part arranging outwardly, and it is fine fixing that chain tooth bar that depressed part arranges is also obtained, thereby make not cracky or pop of slide fastener outwardly, the performance of especially anti-lateral pull is greatly improved.
Accompanying drawing explanation
Fig. 1 is 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 double-deck Strong zip fastener of the present invention.
The specific embodiment
In order more clearly to set forth the present invention, below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figures 1 and 2, the invention provides a kind of double-deck Strong zip fastener and zipper sprocket thereof, described double-deck Strong zip fastener comprises two slide fastener chain cloth 1,2, is sutured in chain tooth bar on two slide fastener chain cloth 1,2 and for impelling the slider of zipper fastener (scheming not shown) of the phase interlock of chain tooth bar or separation respectively, 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 do not indicate), and the chain tooth bar being sutured in respectively in the corresponding side surface of two slide fastener chain cloth 1,2 lateral margins is realized synchronous interlock or separation by described slider of zipper fastener.
The structure of chain tooth bar that described correspondence is sutured in a lateral margin place of slide fastener chain cloth 1,2 is identical, be plastic strip continuous reeling and form sprocket rectangular of multiple helix rounds, but two chain tooth bars is that symmetry is sutured on slide fastener chain cloth 1,2.Shown in Fig. 2, the concrete structure of sprocket is described as an example of the single sprocket 30 that is sutured in the chain tooth bar on slide fastener chain cloth 1 example, described sprocket 30 comprises and is positioned at a side in order to the bite of interlock each other (figure does not indicate) and for being sutured in the suturing part 32 on slide fastener chain cloth 1, on described each suturing part 32, be equipped with the depressed part that a cross section is W shape, the middle part of depressed part has the projection 34 of protruding to notch direction from bottom land, a suture groove 36 of the each formation of depressed part of protruding both sides.In the time sewing up, the projection 36 in sprocket 30 depressed parts can inlay card in slide fastener chain cloth 1, thereby make corresponding firm be fixed on slide fastener chain cloth 1 of sprocket 30 and be difficult for loosening.
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 places has respectively seamed a chain tooth bar, and the upper and lower surface at slide fastener chain cloth 2 one lateral margin places has also respectively seamed a chain tooth bar, thereby formation double-layered slide fastener, wherein lay respectively at two chain tooth bar interlocks mutually of slide fastener chain cloth 1,2 upper surfaces, and lay respectively at the also interlock mutually of two chain tooth bars of slide fastener chain cloth 1,2 lower surfaces.And, in the time sewing up each chain tooth bar, make the depressed part of the sprocket of the chain tooth bar of described each slide fastener chain cloth 1,2 lateral margin place one side surface be arranged at the side surface (arranging) that this sprocket deviates from slide fastener chain cloth outwardly, and the sprocket depressed part of the chain tooth bar on slide fastener chain cloth 1,2 opposite side surfaces, lateral margin place is arranged at the side surface (inwardly arrange) of this sprocket towards slide fastener chain cloth, and the protruding inlay card at depressed part middle part enters slide fastener chain cloth 1,2.In the embodiment shown in fig. 1, to make the depressed part of the sprocket 30,40 of the chain tooth bar of being located at described each slide fastener chain cloth 1,2 lateral margin place downside surface be arranged at the side surface that this sprocket 30,40 deviates from slide fastener chain cloth 1,2, and sprocket 60,70 depressed parts of being located at the chain tooth bar of slide fastener chain cloth 1,2 uper side surfaces are arranged at the side surface of this sprocket 60,70 towards slide fastener chain cloth 1,2, and projection 64,74 inlay cards at depressed part middle part enter slide fastener chain cloth 1,2.By design like this, in the time sewing up, projection 64,74 inlay cards are in slide fastener chain cloth 1,2, and the chain tooth bar of slide fastener chain cloth 1,2 lateral margin place uper side surfaces can be fixed on accordingly on slide fastener chain cloth 1,2 and be difficult for loosening.And suture 8 can be positioned well by each suture groove 36,46 of the sprocket 30,40 of slide fastener chain cloth 1,2 lateral margin place uper side surfaces, and the chain tooth bar of slide fastener chain cloth 1,2 lateral margin place downside surfaces also can be well fixed.Thereby make not cracky of slide fastener, the performance of especially anti-lateral pull is greatly improved.
Certainly, also can make the depressed part of the sprocket 60,70 of the chain tooth bar of each slide fastener chain cloth 1,2 lateral margin place uper side surface be arranged at the side surface that this sprocket 60,70 deviates from slide fastener chain cloth 1,2, and sprocket 30,40 depressed parts of being located at the chain tooth bar of slide fastener chain cloth 1,2 downside surfaces are arranged at the side surface of this sprocket 30,40 towards slide fastener chain cloth 1,2, and projection 34,44 inlay cards at depressed part middle part enter slide fastener chain cloth 1,2.And can obtain equally above-mentioned good fixed effect and anti-lateral pull performance.
Disclosed is above only several specific embodiment of the present invention, but the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (3)
1. a zipper sprocket, comprise and be positioned at a side in order to the bite of interlock each other and for being sutured in the suturing part on slide fastener chain cloth, it is characterized in that, on described each suturing part, be equipped with the depressed part that a cross section is W shape, the middle part of depressed part has the projection of protruding to notch direction from bottom land, a suture groove of the each formation of depressed part of protruding both sides.
2. a double-deck Strong zip fastener, comprise two slide fastener chain cloth, be sutured in chain tooth bar on slide fastener chain cloth and for making the slider of zipper fastener of the interlock of chain tooth bar or separation, 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 respectively in the corresponding side surface of two slide fastener chain cloth lateral margins is realized synchronous interlock or separation by described slider of zipper fastener; Described chain tooth bar is the rectangular of the plastic strip continuous reeling sprocket that forms multiple helix rounds, it is characterized in that, described sprocket comprises and is positioned at a side in order to the bite of interlock each other and for being sutured in the suturing part on slide fastener chain cloth, on described each suturing part, be equipped with the depressed part that a cross section is W shape, the middle part of depressed part has the projection of protruding to notch direction from bottom land, a suture groove of the each formation of depressed part of protruding both sides.
3. double-deck Strong zip fastener according to claim 2, it is characterized in that, the depressed part of the chain tooth bar of described each slide fastener chain cloth lateral margin place one side surface is arranged at the side surface that chain tooth bar deviates from slide fastener chain cloth, and the depressed part of the chain tooth bar on each opposite side surface, slide fastener chain cloth lateral margin place is arranged at the side surface of chain tooth bar towards slide fastener chain cloth, and the protruding inlay card at depressed part middle part enters 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 true CN103844451A (en) | 2014-06-11 |
| CN103844451B CN103844451B (en) | 2016-07-06 |
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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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183847A (en) * | 2017-06-20 | 2017-09-22 | 刘科军 | Monolock formula water proof wind proof slide fastener |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE679362A (en) * | 1965-04-12 | 1966-09-16 | ||
| 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 |
| GB1344046A (en) * | 1971-06-17 | 1974-01-16 | Yoshida Kogyo Kk | Slider-operated zip fasteners |
| US3919744A (en) * | 1974-03-07 | 1975-11-18 | Yoshida Kogyo Kk | 4Concealed slide fastener |
| 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 |
-
2014
- 2014-03-07 CN CN201410084390.5A patent/CN103844451B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE679362A (en) * | 1965-04-12 | 1966-09-16 | ||
| 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 |
| GB1344046A (en) * | 1971-06-17 | 1974-01-16 | Yoshida Kogyo Kk | Slider-operated zip fasteners |
| US3919744A (en) * | 1974-03-07 | 1975-11-18 | Yoshida Kogyo Kk | 4Concealed slide fastener |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183847A (en) * | 2017-06-20 | 2017-09-22 | 刘科军 | Monolock formula water proof wind proof slide fastener |
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| Publication number | Publication date |
|---|---|
| CN103844451B (en) | 2016-07-06 |
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