Rolled and sealed reinforced zipper

Abstract

The utility model provides a calendered and sealed reinforced zipper, which belongs to the technical field of zippers and comprises a zipper tape with an opening part, a pair of zipper tooth chains positioned at the opening part of the zipper tape, a puller mounted on the zipper tooth chains in a sliding manner, and stop pieces arranged at two end parts of the zipper tooth chains, a waterproof sealing strip is arranged on the outer side of each zipper tooth chain, a reinforcing sealing strip is arranged on the side, close to the other waterproof sealing strip, of each waterproof sealing strip in a calendering mode, and the two reinforcing sealing strips extend oppositely and abut against each other in an interference mode to form sealing. The reinforcing sealing strip is arranged on the waterproof sealing strip through the calendaring technology, a high-performance single-side sealing structure can be formed on the zipper, the waterproof requirement can be met even if no waterproof structure is arranged on the inner side of the zipper, the overall thickness of the zipper is reduced, and particularly the situation that the inner side of the zipper protrudes too much, and the flexibility, comfort and the like of the zipper are affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of zippers, in particular to a reinforced zipper with calendering sealing. Background Art

[0002] A zipper is a connecting piece that relies on continuously arranged chain teeth to join or separate items, and is now widely used in clothing, bags, tents, etc. A zipper consists of chain teeth, a slider, upper and lower stops (front and rear codes) or locking parts, etc. Among them, the chain teeth are the key part, which directly determines the side pull strength of the zipper. Generally, a zipper has two tape strips, each with a row of chain teeth, and the two rows of chain teeth are arranged staggered with each other. The slider clamps the chain teeth on both sides and slides along the pull tab, enabling the chain teeth on both sides to mesh or disengage from each other.

[0003] The patent with the publication number of CN209403749U previously applied by the applicant discloses a sealed waterproof zipper, which includes a pair of zipper tooth chains at the opening of the zipper tape, a slider slidably installed on the zipper tooth chains, and stop members provided at both ends of the zipper tooth chains. Waterproof layers capable of two-way sealing are provided on both sides of each zipper tooth chain, and a sealing strip for covering the zipper tooth chain is provided on one side of each waterproof layer facing the other waterproof layer. In this way, a waterproof structure is formed on both the inner and outer sides of the zipper. Although the sealed waterproof performance of the zipper is improved, the overall thickness of the zipper will increase, especially a certain thickness of protrusion is formed on the inner side of the zipper, which is not conducive to installation and use in some occasions. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the defects and deficiencies existing in the prior art, and provide a reinforced zipper with calendering sealing.

[0005] The technical solution adopted by the utility model is as follows: The present application provides a reinforced zipper with calendering sealing, which includes a zipper tape with an opening, a pair of zipper tooth chains at the opening of the zipper tape, a slider slidably installed on the zipper tooth chains, and stop members provided at both ends of the zipper tooth chains. A waterproof sealing strip is provided on the outer side of each zipper tooth chain, and a reinforcing sealing strip is calendered on one side of each waterproof sealing strip close to the other waterproof sealing strip. The two reinforcing sealing strips extend towards each other and are in interference fit to form a seal.

[0006] In some embodiments, one side of each reinforcing sealing strip close to the other reinforcing sealing strip is a sealing side, and the sealing side includes an outer sealing lip and an inner sealing lip, and a V-shaped groove is formed between the outer sealing lip and the inner sealing lip.

[0007] In some embodiments, a first sealing inclined surface is provided on one side of each of the outer sealing lips facing the other outer sealing lip, and the side of the first sealing inclined surface close to the zipper teeth chain inclines away from the other outer sealing lip.

[0008] In some embodiments, a second sealing inclined surface is provided on one side of each of the inner sealing lips facing the other inner sealing lip, and the side of the second sealing inclined surface close to the zipper teeth chain inclines away from the other inner sealing lip.

[0009] In some embodiments, the inclination angles of the first sealing inclined surface and the second sealing inclined surface are 30° - 60°.

[0010] In some embodiments, one side of each of the reinforcing sealing strips close to the other reinforcing sealing strip is a sealing side, and the sealing side includes an upper sealing lip and a lower sealing lip. The cross-sections of the upper sealing lip and the lower sealing lip are both J-shaped, and the arc portions of the two J-shaped upper sealing lips abut against each other to form a seal, and the arc portions of the two J-shaped lower sealing lips abut against each other to form a seal.

[0011] In some embodiments, the zipper teeth chain includes a plurality of U-shaped teeth and a connecting portion disposed between adjacent teeth. The teeth include a bent meshing portion and plate portions on both sides of the bent meshing portion. The zipper tape is located between the two plate portions, and the connecting portion is disposed between the plate portions of adjacent teeth and is integrally formed therewith.

[0012] In some embodiments, a connecting channel is provided on the zipper teeth chain, the connecting channel penetrates through the plate portion and the connecting portion, and a connecting rope is disposed in the connecting channel.

[0013] In some embodiments, a sewing groove is provided on the plate portion, and the sewing groove penetrates through the plate portion along the direction of the connecting portion.

[0014] In some embodiments, positioning convex points are provided on both sides of the inner wall of the plate portion corresponding to the sewing groove.

[0015] The beneficial effects of the present utility model are as follows: In the present utility model, a reinforcing sealing strip is provided on the waterproof sealing strip through a calendering process, which can form a high-performance single-sided sealing structure on the zipper. Even if no waterproof structure is provided on the inner side of the zipper, the waterproof requirement can be met, reducing the overall thickness of the zipper, especially avoiding excessive protrusion on the inner side of the zipper, which affects its flexibility, comfort, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, obtaining other drawings based on these drawings still belongs to the scope of the present invention.

[0017] Figure 1 Schematic diagram of a calendering-sealed reinforced zipper in the present invention Figure 1 ;

[0018] Figure 2 Schematic diagram of a calendering-sealed reinforced zipper in the present invention Figure 2 ;

[0019] Figure 3 Cross-sectional view of a calendering-sealed reinforced zipper in the present invention;

[0020] Figure 4 Cross-sectional view of Structure 1 of the reinforcement sealing strip in the present invention;

[0021] Figure 5 Cross-sectional view of Structure 2 of the reinforcement sealing strip in the present invention;

[0022] Figure 6 Partial schematic diagram of a calendering-sealed reinforced zipper in the present invention;

[0023] Figure 7 Partial schematic diagram of the zipper chain teeth in the present invention. Specific implementation manners

[0024] The following description provides specific application scenarios and requirements of this specification, aiming to enable those skilled in the art to manufacture and use the content in this specification. For those skilled in the art, various partial modifications to the disclosed embodiments are obvious, and without departing from the spirit and scope of this specification, the general principles defined here can be applied to other embodiments and applications. Therefore, this specification is not limited to the shown embodiments, but has the widest scope consistent with the claims.

[0025] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, the orientation or positional relationship indicated by terms such as "longitudinal", "transverse", "radial", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation or be constructed and operated in a specific orientation.

[0026] Secondly, terms such as "first", "second" and similar words do not denote any order, quantity or importance, but are only used to distinguish different components and should not be construed as limiting the embodiments of the present application.

[0027] In addition, terms such as "installed", "set", "provided with", "connected", "linked" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, elements or components.

[0028] For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0029] Regarding the drawings of the present application, it should be clearly understood that the drawings are only for the purpose of illustration and description, and are not intended to limit the scope of this specification. It should also be understood that the drawings are not drawn to scale.

[0030] Embodiment 1:

[0031] As Figures 1 to 7 shown, this embodiment provides a calendered-sealed reinforced zipper, which includes a zipper tape 1 having an opening, a pair of zipper teeth chains 2 located at the opening of the zipper tape 1, a slider 3 slidably mounted on the zipper teeth chains 2, and stoppers provided at both ends of the zipper teeth chains 2. A waterproof sealing strip 4 is provided on the outer side of each zipper teeth chain 2, and a reinforcing sealing strip 5 is calendered on one side of each waterproof sealing strip 4 close to the other waterproof sealing strip 4. The two reinforcing sealing strips 5 extend towards each other and are in interference contact to form a seal. By calendering the reinforcing sealing strip 5 on the waterproof sealing strip 4, a high-performance single-sided sealing structure can be formed on the zipper, and the waterproof requirement can be met even if no waterproof structure is provided inside the zipper, reducing the overall thickness of the zipper, especially avoiding excessive protrusion inside the zipper, which affects its flexibility, comfort, etc. For example, when it is used on close-fitting clothing, the zipper is lighter, easier to bend and more comfortable.

[0032] There are various structures for strengthening the sealing strip 5. In this embodiment, the following two are provided as preferred solutions, specifically as follows:

[0033] Structure One: As shown in Figure 4 , on one side of each of the reinforcing sealing strips 5 close to another reinforcing sealing strip 5 is a sealing side, and the sealing side includes an outer sealing lip 51 and an inner sealing lip 52. A V-shaped groove 53 is formed between the outer sealing lip 51 and the inner sealing lip 52. The structure formed by the V-shaped groove 53 provides a larger contact area, which helps to improve the tightness of the seal. At the same time, the mutual cooperation between the outer sealing lip 51 and the inner sealing lip 52 can effectively prevent the penetration of moisture and air.

[0034] On one side of each of the outer sealing lips 51 facing another outer sealing lip 51, a first sealing inclined surface 510 is provided. The side of the first sealing inclined surface 510 close to the zipper teeth chain 2 is inclined in a direction away from another outer sealing lip 51, and / or on one side of each of the inner sealing lips 52 facing another inner sealing lip 52, a second sealing inclined surface 520 is provided. The side of the second sealing inclined surface 520 close to the zipper teeth chain 2 is inclined in a direction away from another inner sealing lip 52. Through this setting, the design of the inclined surface enables the outer sealing lip 51 and the inner sealing lip 52 to better withstand external pressure, increasing the overall compressive resistance and durability of the sealing strip.

[0035] The inclination angles of the first sealing inclined surface 510 and the second sealing inclined surface 520 are 30° - 60°, and the preferred inclination angle is 40°.

[0036] Structure Two: As shown in Figure 5 , on one side of each of the reinforcing sealing strips 5 close to another reinforcing sealing strip 5 is a sealing side, and the sealing side includes an upper sealing lip 54 and a lower sealing lip 55. The cross-sections of both the upper sealing lip 54 and the lower sealing lip 55 are J-shaped. The arc portions of the two J-shaped upper sealing lips 54 abut against each other to form a seal, and the arc portions of the two J-shaped lower sealing lips 55 abut against each other to form a seal, having good flexibility and adaptability. When the zipper is closed, the arc portions of the two J-shaped upper sealing lips 54 and the lower sealing lips 55 abut against each other, forming an effective sealing barrier to prevent the penetration of moisture and air. At the same time, the J-shaped design enables the sealing lips to better fit the contact surface when subjected to external forces, forming an adaptive seal, effectively reducing the gaps generated due to the movement or bending of the zipper and maintaining the sealing performance.

[0037] As shown in Figure 6 And Figure 7As shown, the zipper chain 2 includes a plurality of U-shaped teeth 21 and connecting parts 22 arranged between adjacent teeth 21. The teeth 21 include bent meshing parts 211 and plate parts 212 located on both sides of the bent meshing parts 211. The zipper tape 1 is located between the two plate parts 212. The connecting parts 22 are arranged between the plate parts 212 of adjacent teeth 21 and are integrally formed therewith, reducing the number of components, simplifying the manufacturing and assembly processes, reducing production costs, improving production efficiency, and at the same time enhancing the overall strength of the zipper chain 2 and prolonging the service life of the zipper.

[0038] A connecting channel is provided on the zipper chain 2. The connecting channel penetrates through the plate part 212 and the connecting part 22. A connecting rope 6 is arranged in the connecting channel to further enhance the overall strength of the zipper chain 2 and prevent individual teeth 21 from falling off.

[0039] A sewing groove 213 is provided on the plate part 212. The sewing groove 213 penetrates through the plate part 212 along the direction of the connecting part 22. When sewing the zipper chain 2 onto the zipper tape 1, the sewing thread just fits into the sewing groove 213, making the zipper chain 2 more firmly attached to the zipper tape 1 and not easily prone to the situation of individual teeth 21 being skewed or falling off.

[0040] Positioning bumps 214 are provided on both sides of the inner wall of the plate part 212 corresponding to the sewing groove 213. After the zipper chain 2 is sewn onto the zipper tape 1, the positioning bumps 214 form a pressing force against the zipper tape 1, making the connection between the zipper chain 2 and the zipper tape 1 more firm and reliable.

[0041] For other structures, reference can be made to the patent with the publication number CN209403749U previously applied by the applicant, which discloses a sealed waterproof zipper.

[0042] In summary, after reading this detailed disclosure, those skilled in the art can understand that the foregoing detailed disclosure may be presented only by way of example and may not be restrictive. Although not explicitly stated here, those skilled in the art can understand that the requirements of this application encompass various reasonable changes, improvements, and modifications to the embodiments. These changes, improvements, and modifications are intended to be proposed by this application and are within the spirit and scope of the exemplary embodiments of this application.

[0043] In addition, it should be understood that in the foregoing description of the embodiments of the present application, for the purpose of helping to understand a feature and for the purpose of simplifying the present application, the present application combines various features in a single embodiment, drawing, or its description. However, this does not mean that the combination of these features is necessary. When reading the present application, those skilled in the art may very well mark out some of the devices as separate embodiments for understanding. That is to say, the embodiments in the present application can also be understood as the integration of multiple sub-embodiments. And it is also valid when the content of each sub-embodiment is less than all the features of a single foregoing disclosed embodiment.

[0044] Finally, it should be understood that the embodiments of the application disclosed herein are illustrative of the principles of the embodiments of the present application. Other modified embodiments are also within the scope of the present application. Therefore, the embodiments disclosed in the present application are merely examples and not limitations. Those skilled in the art can adopt alternative configurations according to the embodiments in the present application to implement the application in the present application. Therefore, the embodiments of the present application are not limited to the embodiments precisely described in the application.

Claims

1. A calender-sealed reinforced zipper, comprising a zipper tape (1) having an opening, a pair of zipper chains (2) located at the opening of the zipper tape (1), a slider (3) mounted on the zipper chains (2) in a sliding manner, and stoppers arranged at both ends of the zipper chains (2), characterized in that: A waterproof sealing strip (4) is arranged on the outer side of each zipper chain (2), and a reinforcing sealing strip (5) is arranged on the side of each waterproof sealing strip (4) close to another waterproof sealing strip (4) by rolling, and the two reinforcing sealing strips (5) extend towards each other and interfere with each other to form a seal.

2. A calender-sealed reinforced zipper according to claim 1, characterized in that: The side of each of the reinforcing sealing strips (5) close to another reinforcing sealing strip (5) is a sealing side, and the sealing side comprises an outer sealing lip (51) and an inner sealing lip (52), and a V-shaped groove (53) is formed between the outer sealing lip (51) and the inner sealing lip (52).

3. A calender-sealed reinforced zipper according to claim 2, characterized in that: A first sealing slope (510) is provided on the side of each outer sealing lip (51) facing the other outer sealing lip (51), and the side of the first sealing slope (510) close to the zipper chain (2) is inclined in a direction away from the other outer sealing lip (51).

4. A calender-sealed reinforced zipper according to claim 3, characterized in that: A second sealing slope (520) is provided on the side of each inner sealing lip (52) facing the other inner sealing lip (52), and the side of the second sealing slope (520) close to the zipper chain (2) is inclined in a direction away from the other inner sealing lip (52).

5. A calender-sealed reinforced zipper according to claim 4, characterized in that: The inclination angles of the first sealing inclined surface (510) and the second sealing inclined surface (520) are 30°-60°.

6. The calender-sealed reinforced zipper according to claim 1, characterized in that: The side of each of the reinforcing sealing strips (5) close to the other reinforcing sealing strip (5) is a sealing side, and the sealing side comprises an upper sealing lip (54) and a lower sealing lip (55), and the cross-sections of the upper sealing lip (54) and the lower sealing lip (55) are both J-shaped, and the arc-shaped parts of the two J-shaped upper sealing lips (54) abut against each other to form a seal, and the arc-shaped parts of the two J-shaped lower sealing lips (55) abut against each other to form a seal.

7. The calender-sealed reinforced zipper according to claim 1, characterized in that: The zipper chain (2) comprises a plurality of U-shaped chain teeth (21) and a connecting portion (22) arranged between adjacent chain teeth (21); the chain teeth (21) comprise a bent meshing portion (211) and a plate portion (212) located on both sides of the bent meshing portion (211); the zipper tape (1) is located between the two plate portions (212); the connecting portion (22) is arranged between the plate portions (212) of adjacent chain teeth (21) and is integrally formed therewith.

8. The calender-sealed reinforced zipper according to claim 7, characterized in that: The zipper chain (2) is provided with a connecting channel, the connecting channel passes through the plate portion (212) and the connecting portion (22), and a connecting rope (6) is provided in the connecting channel.

9. The calender-sealed reinforced zipper according to claim 8, characterized in that: The plate portion (212) is provided with a suture groove (213), and the suture groove (213) penetrates the plate portion (212) along the direction of the connecting portion (22).

10. The calender-sealed reinforced zipper according to claim 9, characterized in that: Positioning protrusions (214) are provided on both sides of the inner wall of the plate portion (212) corresponding to the suture groove (213).

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