Waterproof zipper

Abstract

The utility model discloses a waterproof zipper which comprises a first zipper tape, a second zipper tape and a puller, the first zipper tape and the second zipper tape are respectively clamped on two sides of the puller, each of the first zipper tape and the second zipper tape is composed of a tape body, a rubber strip and zipper teeth, one side of each tape body is provided with the rubber strip, and the other side of each tape body is provided with the zipper teeth. A plurality of chain teeth are mounted at the rubber strip at equal intervals; the zipper tooth comprises a zipper tooth body, a plug is arranged at the top of the zipper tooth body, and a slot matched with the plug is formed in the bottom of the zipper tooth body. According to the zipper, the adjacent zipper teeth are connected in an inserted mode through the insertion heads and the insertion grooves through matching of the insertion heads and the insertion grooves, gaps at the connecting positions can be reduced after insertion, and therefore the waterproof performance of the connecting positions is improved, the connecting positions of the insertion heads and the insertion grooves can be sealed through the arrangement of the annular sealing rubber strips, and the zipper head and the zipper teeth are both made of TPU. Good elasticity and wear resistance are achieved, and the service life is long.

Description

Technical Field

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

[0002] Zippers are connectors that rely on continuously arranged chain teeth to close or separate items. They are now widely used in products such as clothing, bags and tents, and are pulled by a slider to open or close the opening. At present, many zippers only have the function of locking the chain teeth, and water will penetrate through the zipper, which can easily cause moisture inside the zipper and poor waterproof performance.

[0003] The waterproof zipper disclosed in the existing publication number CN111109773B includes a chain tooth row, a core wire, a zipper tape and a liquid-tight layer; wherein, two chain tooth rows that are interlocked and connected to each other are arranged along the side edges of the two zipper tapes in a one-to-one correspondence, the core wire passes through the chain tooth row along the length direction of the chain tooth row, the liquid-tight layer is arranged on the outer surface of the zipper tape, and a waterproof agent is coated on the liquid-tight layer, the chain tooth row and the core wire, and a hydrophobic protective layer is formed to have good waterproof performance.

[0004] In the prior art, the waterproofing of the zipper is achieved by a waterproof layer, but the chain teeth are directly engaged, and the sealing effect is relatively poor, resulting in a relatively poor waterproofing effect. Therefore, we propose a waterproof zipper. Utility Model Content

[0005] The utility model aims to provide a waterproof zipper to solve the problem that the waterproofing of the zipper is achieved by a waterproof layer in the prior art, but the chain teeth are directly engaged, and the sealing effect is relatively poor, resulting in a relatively poor waterproofing effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof zipper, comprising a first zipper tape, a second zipper tape and a slider, wherein the first zipper tape and the second zipper tape are respectively clamped on both sides of the slider, and the first zipper tape and the second zipper tape are both composed of a tape body, a rubber strip and a sprocket, a rubber strip is arranged on one side of the tape body, and a plurality of sprockets are installed at equal intervals on the rubber strip; the sprocket comprises a sprocket body, a plug is arranged on the top of the sprocket body, a slot matching the plug is arranged on the bottom of the sprocket body, an annular sealing rubber strip is arranged on the outside of the sprocket body on the outside of the plug, and strip sealing rubber strips are arranged on both sides of the sprocket body on the sides of the plug.

[0007] Preferably, at least two strip-shaped sealing rubber strips are provided on both sides of the sprocket body located on the plug.

[0008] Preferably, a groove cooperating with the annular sealing rubber strip and the strip-shaped sealing rubber strip is formed at the bottom of the sprocket body.

[0009] Preferably, the sprocket body is provided with a slot cooperating with the rubber strip, and the rubber strip is a cylindrical structure.

[0010] Preferably, the surface of the belt body is covered with a waterproof layer.

[0011] Preferably, the waterproof layer is a waterproof coating or a waterproof film.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A slot that cooperates with the plug is provided at the bottom of the sprocket body. Through the cooperation of the plug and the slot, adjacent sprockets are plugged in through the plug and the slot. After plugging in, the gap at the connection can be reduced, thereby improving the waterproof performance of the connection. The sprocket body is located on the outside of the plug and is provided with an annular sealing rubber strip. The setting of the annular sealing rubber strip can seal the connection between the plug and the slot to prevent water from passing through the gap between the plug and the slot, thereby ensuring the waterproof effect of the plug and the slot.

[0014] 2. Strip-shaped sealing rubber strips are arranged on both sides of the sprocket body located on the plug; at least two strip-shaped sealing rubber strips are arranged on both sides of the sprocket body located on the plug. The arrangement of the strip-shaped sealing rubber strips ensures the sealing of the remaining part of the sprocket body of the sprocket, thereby realizing all-round sealing of the sprocket and ensuring the waterproof effect between the zipper tapes.

[0015] 3. The surface of the belt body is covered with a waterproof layer, which adopts a waterproof coating or a waterproof film. The waterproof layer has a waterproof effect on the belt body, prevents water from entering the belt body, and realizes all-round waterproofness of the zipper. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the chain teeth of the utility model.

[0020] In the figure: 1, first zipper tape; 2, second zipper tape; 3, slider; 11, tape body; 12, rubber strip; 13, chain tooth; 131, chain tooth body; 132, slot; 133, plug; 134, annular sealing rubber strip; 135, strip sealing rubber strip. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0022] See also Figure 1 and Figure 2 In the embodiment of the utility model, a waterproof zipper comprises a first zipper tape 1, a second zipper tape 2 and a slider 3, wherein the first zipper tape 1 and the second zipper tape 2 are respectively clamped on both sides of the slider 3, and the first zipper tape 1 and the second zipper tape 2 are both composed of a belt body 11, a rubber strip 12 and a chain tooth 13, and the surface of the belt body 11 is covered with a waterproof layer, and the waterproof layer adopts a waterproof coating or a waterproof film, and the waterproof layer has a waterproof effect on the belt body 11 to prevent water from entering the belt body 11, and a rubber strip 12 is arranged on one side of the belt body 11, and a plurality of chain teeth 13 are installed at equal intervals at the rubber strip 12, and the slider 3 and the chain tooth 13 are both made of TPU, which has good elasticity and wear resistance and a long service life;

[0023] like Figure 1 and Figure 3The sprocket 13 includes a sprocket body 131, a plug 133 is provided on the top of the sprocket body 131, and a slot matched with the plug 133 is provided at the bottom of the sprocket body 131. Through the cooperation of the plug 133 and the slot, adjacent sprockets 13 are plugged in through the plug 133 and the slot. After plugging, the gap at the connection can be reduced, thereby improving the waterproof performance of the connection. The sprocket body 131 is located on the outside of the plug 133. The setting of the annular sealing rubber strip 134 can seal the connection between the plug 133 and the slot to prevent water from passing through the gap between the plug 133 and the slot, thereby ensuring the waterproof performance of the plug 133 and the slot. Effect, strip sealing rubber strips 135 are arranged on both sides of the sprocket body 131 located on the plug 133; at least two strip sealing rubber strips 135 are arranged on both sides of the sprocket body 131 located on the plug 133, and the arrangement of the strip sealing rubber strips 135 ensures the sealing of the remaining part of the sprocket body 131 of the sprocket 13, thereby realizing the all-round sealing of the sprocket 13 and ensuring the waterproof effect between the zipper tapes; a groove cooperating with the annular sealing rubber strip 134 and the strip sealing rubber strip 135 is provided at the bottom of the sprocket body 131; a card slot 132 cooperating with the rubber strip 12 is provided on the sprocket body 131, and the rubber strip 12 is a cylindrical structure.

[0024] The working principle of the utility model is as follows: by reciprocatingly pulling the slider 3, the first zipper tape 1 and the second zipper tape 2 can be opened and closed; a slot that cooperates with the plug 133 is provided at the bottom of the sprocket body 131, and the plug 133 and the slot cooperate to allow adjacent sprockets 13 to be plugged in through the plug 133 and the slot, and after plugging in, the gap at the connection can be reduced, thereby improving the waterproof performance of the connection; the sprocket body 131 is provided with an annular sealing rubber strip 134 on the outside of the plug 133, and the setting of the annular sealing rubber strip 134 can seal the connection between the plug 133 and the slot, preventing water from passing through the gap between the plug 133 and the slot, and ensuring The plug 133 and the slot have waterproof effects; strip sealing rubber strips 135 are provided on both sides of the sprocket body 131 located at the plug 133; at least two strip sealing rubber strips 135 are provided on both sides of the sprocket body 131 located at the plug 133. The provision of the strip sealing rubber strips 135 ensures the sealing of the remaining part of the sprocket body 131 of the sprocket 13, thereby achieving all-round sealing of the sprocket 13 and ensuring the waterproof effect between the zipper belts; the surface of the belt body 11 is covered with a waterproof layer, and the waterproof layer adopts a waterproof coating or a waterproof film. The waterproof layer has a waterproof effect on the belt body 11, avoids water from entering the belt body 11, and achieves all-round waterproofing of the zipper.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A waterproof zipper, comprising a first zipper tape (1), a second zipper tape (2) and a slider (3), wherein the first zipper tape (1) and the second zipper tape (2) are respectively clamped on both sides of the slider (3), characterized in that: The first zipper tape (1) and the second zipper tape (2) are both composed of a tape body (11), a rubber strip (12) and chain teeth (13); a rubber strip (12) is provided on one side of the tape body (11), and a plurality of chain teeth (13) are installed at equal intervals on the rubber strip (12); The sprocket (13) comprises a sprocket body (131), a plug (133) is arranged on the top of the sprocket body (131), a slot matched with the plug (133) is arranged on the bottom of the sprocket body (131), an annular sealing rubber strip (134) is arranged on the outside of the plug (133) of the sprocket body (131), and strip-shaped sealing rubber strips (135) are arranged on both sides of the plug (133) of the sprocket body (131).

2. A waterproof zipper according to claim 1, characterized in that: At least two strip-shaped sealing rubber strips (135) are arranged on both sides of the sprocket body (131) located on the plug (133).

3. A waterproof zipper according to claim 1 or 2, characterized in that: The bottom of the chain tooth body (131) is provided with a groove which cooperates with the annular sealing rubber strip (134) and the strip-shaped sealing rubber strip (135).

4. A waterproof zipper according to claim 1, characterized in that: The chain tooth body (131) is provided with a slot (132) that cooperates with the rubber strip (12), and the rubber strip (12) is a cylindrical structure.

5. The waterproof zipper according to claim 1, characterized in that: The surface of the belt body (11) is covered with a waterproof layer.

6. A waterproof zipper according to claim 5, characterized in that: The waterproof layer is a waterproof coating or a waterproof film.

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