CN220255859U - Double-layer zipper - Google Patents
Double-layer zipper Download PDFInfo
- Publication number
- CN220255859U CN220255859U CN202321912726.3U CN202321912726U CN220255859U CN 220255859 U CN220255859 U CN 220255859U CN 202321912726 U CN202321912726 U CN 202321912726U CN 220255859 U CN220255859 U CN 220255859U
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- CN
- China
- Prior art keywords
- inlayer
- layer zipper
- double
- chain belt
- tape
- Prior art date
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- 239000007795 chemical reaction product Substances 0.000 claims description 18
- 238000009958 sewing Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000010409 ironing Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 98
- 239000002355 dual-layer Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The embodiment of the utility model provides a double-layer zipper, which comprises an inner layer zipper and an outer layer zipper arranged on the outer side of the inner layer zipper, wherein the inner layer zipper comprises two inner layer zipper strips which are arranged in parallel, inner layer zipper teeth which are respectively sewn at the mutually adjacent inner side edges of the two inner layer zipper strips, and an inner layer zipper head assembly which is respectively matched with the inner layer zipper teeth on the two inner layer zipper strips to realize the opening and closing of the inner layer zipper, the outer layer zipper comprises two outer layer zipper strips which are arranged in parallel, outer layer zipper teeth which are respectively sewn at the mutually adjacent inner side edges of the two outer layer zipper strips, and an outer layer zipper head assembly which is respectively matched with the outer layer zipper teeth on the two outer layer zipper strips to realize the opening and closing of the outer layer zipper, wherein the inner layer zipper strips and the outer layer zipper strips which are positioned on the same side are formed by correspondingly folding the same cloth belt in the width direction, and the inner layer zipper strips and the outer layer zipper strips have different widths. The double-layer zipper is convenient to manufacture, and the manufacturing cost is effectively reduced.
Description
Technical Field
The embodiment of the utility model relates to the technical field of zippers, in particular to a double-layer zipper.
Background
The existing double-layer zipper generally comprises an inner layer zipper and an outer layer zipper arranged on the outer side of the inner layer zipper, wherein the inner layer zipper comprises two inner layer zipper belts arranged in parallel, inner layer zipper teeth sewn on the mutually adjacent inner side edges of the two inner layer zipper belts respectively, and inner layer zipper head components which are matched with the inner layer zipper teeth on the inner layer zipper belts respectively to realize opening and closing of the inner layer zipper, and the outer layer zipper comprises two outer layer zipper belts arranged in parallel, outer layer zipper teeth sewn on the mutually adjacent inner side edges of the two outer layer zipper belts respectively and outer layer zipper head components which are matched with the outer layer zipper teeth on the outer layer zipper belts respectively to realize opening and closing of the outer layer zipper.
However, the inventors have found in practice that the above-described double-layer slide fastener still has the following drawbacks: the outer layer chain belt and the inner layer chain belt positioned on the same side are required to be sewn and connected through the sewing threads by two different cloth belts, and the outer layer chain belt and the inner layer chain belt on two sides are required to be sewn and connected for two times correspondingly, so that the process of producing the zipper is time-consuming, consumption of raw materials such as the sewing threads is relatively high, and the cost is increased.
Disclosure of Invention
The technical problem to be solved by the embodiment of the utility model is to provide the double-layer zipper which can be manufactured conveniently and effectively reduces the manufacturing cost.
In order to solve the technical problems, the embodiment of the utility model adopts the following technical scheme: the utility model provides a double-deck zip fastener, includes the inlayer zip fastener and set up in the inlayer zip fastener outside the inlayer zip fastener, the inlayer zip fastener include two parallel arrangement's inlayer chain belts, sew up respectively in two inlayer chain belt's inlayer chain teeth of each other adjacent medial side department and respectively with two inlayer chain belt the inlayer chain cooperation is in order to realize inlayer zip fastener inner layer pull head subassembly that inner zip fastener opened and shut, the inlayer zip fastener includes two parallel arrangement's outer chain belts, sew up respectively in two outer chain belt's outer chain teeth of each other adjacent medial side department and respectively with two outer chain belt the cooperation of outer chain teeth is in order to realize outer zip fastener outer pull head subassembly that outer zip fastener opened and shut, wherein, be located with one side inlayer chain belt with outer chain belt is by corresponding folding of same strap in the width direction and form, just inlayer chain belt with outer chain belt has different width.
Further, the cloth belt is integrally woven, and reinforcing ribs which have a predetermined width and enable the positions of the inner layer chain belt and the outer layer chain belt adjacent to the folding lines to be mutually bonded and connected into a whole are also woven on the cloth belt at the folding lines which are correspondingly folded to form the inner layer chain belt and the outer layer chain belt.
Further, a turning shaping part formed by ironing after the cloth belt is folded is arranged around the folding line of the cloth belt.
Further, the cloth tape is a cloth tape having elasticity in the width direction.
Further, the inner layer chain belt is provided with a sewing portion covered by the outer layer chain belt and used for sewing the double-layer zipper to a corresponding end product.
Further, the outer layer zipper strip is provided with a sewing part for sewing the double-layer zipper on a corresponding end product.
By adopting the technical scheme, the embodiment of the utility model has at least the following beneficial effects: according to the embodiment of the utility model, the inner layer chain belt and the outer layer chain belt which are positioned at the same side are designed to be formed by correspondingly folding the same cloth belt in the width direction, and the inner layer chain belt and the outer layer chain belt have different widths, so that a user can conveniently select different layers of zippers, and the end product adopting the double-layer zipper has different volumes so as to meet the use requirement of the user. The double-layer zipper of the utility model can be widely applied to various end products such as bags, luggage bags, tents, clothes, shoes and the like.
Drawings
FIG. 1 is a schematic view of the construction of an alternative embodiment of the dual layer zipper of the present utility model.
FIG. 2 is a schematic cross-sectional view of an alternative embodiment of the dual layer zipper of the present utility model.
FIG. 3 is a schematic cross-sectional view of another alternative embodiment of the dual layer zipper of the present utility model.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific examples. It should be understood that the following exemplary embodiments and descriptions are only for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that the embodiments and features of the embodiments of the utility model may be combined with one another without conflict.
As shown in fig. 1 and 2, an alternative embodiment of the present utility model provides a double-layered slide fastener, comprising an inner layer slide fastener 1 and an outer layer slide fastener 2 disposed outside the inner layer slide fastener 1, the inner layer slide fastener 1 comprising two inner layer tapes 11 disposed in parallel, inner layer elements 12 sewn respectively at mutually adjoining inner side edges of the two inner layer tapes 11, and inner layer slider assemblies 13 respectively engaged with the inner layer elements 12 on the two inner layer tapes 11 to effect opening and closing of the inner layer slide fastener 1, the outer layer slide fastener 2 comprising two outer layer tapes 21 disposed in parallel, outer layer elements 22 sewn respectively at mutually adjoining inner side edges of the two outer layer tapes 21, and outer layer slider assemblies 23 respectively engaged with the outer layer elements 22 on the two outer layer tapes 21 to effect opening and closing of the outer layer slide fastener 2, wherein the inner layer tapes 11 and the outer layer tapes 21 on the same side are formed by folding the same tape correspondingly in the width direction, and the inner layer tapes 11 and the outer layer tapes 21 have different widths.
In a specific implementation, when the double-layer zipper is sewn on the end product 5, the width combination of the outer layer zipper belt 21 and the inner layer zipper belt 11 can be flexibly selected according to actual requirements, for example, the outer layer zipper belt 21 is set to be larger in width and the inner layer zipper belt 11 is set to be smaller in width, or the inner layer zipper belt 11 is set to be larger in width and the outer layer zipper belt 21 is set to be smaller in width, and the purpose of adjusting the volume of the end product 5 can be achieved through the two width combinations. For convenience of description, the embodiment shown in fig. 1 and 2 is described by taking the case that the width of the outer layer chain belt 21 is small and the width of the inner layer chain belt 11 is large as an example, and it should be understood that the description and limitation of these related structures are only for convenience of description and understanding of the related technical features, and should not be construed as limiting the present utility model.
According to the embodiment of the utility model, the inner layer chain belt 11 and the outer layer chain belt 21 which are positioned on the same side are designed to be formed by correspondingly folding the same cloth belt in the width direction, and the inner layer chain belt 11 and the outer layer chain belt 21 have different widths, so that a user can conveniently select different layers of zippers, and the end product 5 adopting the double-layer zipper has different volumes so as to meet the use requirement of the user, and the inner layer zipper 1 and the outer layer zipper 2 do not need to be sewn and connected, so that the manufacturing process is simpler and easier, the use of a seam is reduced, and the cost can be effectively reduced. The double-layer zipper of the utility model can be widely applied to various end products 5 such as bags, luggage bags, tents, clothes, shoes and the like.
In an alternative embodiment of the present utility model, as shown in fig. 1 and 2, the cloth tape is integrally woven, and the cloth tape is further woven with a reinforcing rib 3 having a predetermined width at a folding line corresponding to the folding to form the inner and outer chain belts 11 and 21, and the inner and outer chain belts 11 and 21 are respectively bonded to each other and integrally connected to each other at positions adjacent to the folding line. In this embodiment, adopt integrated into one piece's strap, the inside and outside two-layer chain belt of integrated into one piece promptly produces in the shaping strap promptly to make things convenient for follow-up direct application to reduce manufacturing cost, in addition, through weaving the strengthening rib 3 in the folding line department of inlayer chain belt 11 and outer chain belt 21, can promote well inlayer chain belt 11 with the position that outer chain belt 21 is adjacent the folding line respectively can mutually paste and link as an organic wholely, make outer chain belt 21 remain in the outside of inlayer chain belt 11 all the time, and can effectively promote the intensity of here, anti side pulling performance is good. In a specific implementation, the reinforcing ribs 3 are realized by adding corresponding knitting threads at a predetermined position when knitting and forming the cloth belt.
In an alternative embodiment of the present utility model, as shown in fig. 1 and 2, a turning shaping portion 8 formed by ironing after the tape is folded is provided around the folding line of the tape. In this embodiment, the cloth tape is further integrated by ironing after folding to form the turning and shaping portion 8, so that the inner layer chain belt 11 and the outer layer chain belt 21 can be closely attached to each other, so that the outer layer chain belt 21 is always kept outside the inner layer chain belt 11.
In an alternative embodiment of the present utility model, as shown in fig. 1 and 2, the cloth tape is a cloth tape having elasticity in the width direction. According to the embodiment, the cloth belt with elasticity in the width direction is adopted, after the zipper teeth on the chain belts on the two sides of the corresponding layer are meshed under the promotion of the pull head assembly, the chain belts on the two sides can be further stretched by objects in the terminal product 5 using the double-layer zipper due to certain elasticity, so that the volume of the terminal product 5 is improved.
In an alternative embodiment of the present utility model, as shown in fig. 1 and 2, the inner stringers 11 are provided with stitching 110 covered by the outer stringers and used to stitch the double-layer zipper to the corresponding end product 5. In this embodiment, the stitching portion 110 on the inner layer chain belt 11 is stitched on the corresponding end product 5 by means of the stitching thread 6, and the stitching portion 110 is covered by the outer layer chain belt 21 and is not exposed, so that the overall appearance is not affected, materials are conveniently obtained, and the aesthetic degree of the end product 5 is ensured.
In an alternative embodiment of the present utility model, in another sewing scene of the double-layered zipper, as shown in fig. 3, in order to avoid the sewing thread 6 from being exposed to the outside of the corresponding end product 5, the outer-layer fastener tape 2 is further provided with a sewing portion 110 for sewing the double-layered zipper to the corresponding end product 5. In this embodiment, the stitching portion 110 on the outer layer chain belt 2 is stitched on the corresponding end product 5 by the stitching thread 6, and the stitching portion 5 is covered by the corresponding end product 5 and is not exposed, so that the overall appearance is not affected, the materials are conveniently obtained, and the aesthetic degree of the end product 5 is ensured.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many changes may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.
Claims (6)
1. The utility model provides a double-deck zip fastener, includes the inlayer zip fastener and set up in the inlayer zip fastener outside the inlayer zip fastener, the inlayer zip fastener include two parallel arrangement's inlayer chain belts, sew up respectively in two inlayer chain belt's inlayer chain teeth of each other adjacent medial side department and respectively with two inlayer chain belt the inlayer chain cooperation is in order to realize inlayer zip fastener opening and shutting inlayer pull head subassembly, the inlayer zip fastener includes two parallel arrangement's outer chain belts, sew up respectively in two outer chain belt's outer chain teeth of each other adjacent medial side department and respectively with two outer chain belt the cooperation of outer chain teeth is in order to realize outer zip fastener opening and shutting outer pull head subassembly, its characterized in that is located with inlayer chain belt and outer chain belt of one side is by same strap corresponding folding in the width direction and forms, just inlayer chain belt and outer chain belt have different width.
2. The double-layer slide fastener according to claim 1, wherein the tape is integrally woven, and reinforcing ribs having a predetermined width and formed by bonding and integrating the portions of the inner and outer tapes adjacent to the folding lines, respectively, are further woven on the tape at the folding lines corresponding to the folding to form the inner and outer tapes.
3. A double-layer slide fastener according to claim 1, wherein a turning shaping portion formed by ironing after folding the tape is provided around the folding line of the tape.
4. A double-layer slide fastener according to claim 1 or 2 or 3, wherein the tape is a tape having elasticity in a width direction.
5. A double-layered slide fastener according to claim 1, 2 or 3, wherein the inner tape is provided with a seam covered by the outer tape and used for sewing the double-layered slide fastener to a corresponding end product.
6. A double-layered slide fastener according to claim 1, 2 or 3, wherein the outer-layer fastener tape is provided with a seam for sewing the double-layered slide fastener to a corresponding end product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321912726.3U CN220255859U (en) | 2023-07-19 | 2023-07-19 | Double-layer zipper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321912726.3U CN220255859U (en) | 2023-07-19 | 2023-07-19 | Double-layer zipper |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220255859U true CN220255859U (en) | 2023-12-29 |
Family
ID=89318339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321912726.3U Active CN220255859U (en) | 2023-07-19 | 2023-07-19 | Double-layer zipper |
Country Status (1)
Country | Link |
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CN (1) | CN220255859U (en) |
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2023
- 2023-07-19 CN CN202321912726.3U patent/CN220255859U/en active Active
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