CN111887544A - Waterproof zipper - Google Patents

Abstract

A waterproof zipper comprises two zipper belts, a zipper clamping unit and a pull head. The zipper clamping unit is provided with a first zipper and a second zipper which are respectively arranged on the chain belt, the first zipper and the second zipper are mutually buckled and jointed by pulling the pull head, water leakage is prevented, and a better waterproof effect is provided.

Description

Waterproof zipper

technical field

The present invention relates to a zipper, in particular to a waterproof zipper which can prevent water from leaking through.

Background technique

In daily life, the design and application of zipper is very popular, and it is common in clothing, bags, tents, sleeping bags and other commodities. 1, the existing zipper mainly includes two chain belts 1, each chain belt 1 includes a cloth belt 11, a plurality of chain teeth 12 spaced along the length direction of the cloth belt 11, and a movable supply By pulling the zipper head 2 to move up and down, the zipper head 2 through which the sprocket teeth 12 are inserted can control the sprocket teeth 12 to engage in a staggered manner, thereby closing or opening the zipper. However, after the zipper is closed, there are still pores 13 between the adjacent sprockets 12. Therefore, water will penetrate into the inside of the zipper along the pores 13, and the waterproof effect cannot be achieved. or inconvenience in use.

SUMMARY OF THE INVENTION

An object of the present invention is to provide a waterproof slide fastener with waterproofness.

The waterproof slide fastener of the present invention includes two chain belts and a clip chain unit. Each chain belt includes a plurality of chain teeth spaced along the length direction of the chain belt, and the chain teeth of the two chain belts can be interdigitated with each other, thereby combining the two chain belts. The clip chain unit includes a first clip chain and a second clip chain respectively arranged on the chain belt, and the first clip chain and the second clip chain can be fitted with each other correspondingly. When the sprocket teeth are engaged with each other, the first clip chain and the second clip chain can be snap-fitted to each other.

In some embodiments, the first clip chain and the second clip chain are respectively disposed on the periphery of the sprocket teeth of the chain belt.

In some embodiments, the first clip chain has a plurality of male fasteners extending along the length direction of the chain belt and spaced along the width direction of the chain belt, and any two adjacent male fasteners are located between them. A card slot is defined, the second clip chain has at least one male fastener extending along the length direction of the chain belt, and the first clip chain, the male fastener of the second clip chain and the clip slot Can be snap-fitted to each other.

In some embodiments, each chain belt further includes a cover layer, the cover layer is provided on one surface of the chain belt and covers the chain teeth, and has an overlapping surface located at the edge, when the When the two chain belts are combined with each other, the overlapping surfaces of the two covering layers will be opposite to each other and overlap up and down, and the first clip chain and the second clip chain are respectively arranged on the overlapping surfaces. When the two chain belts are interlaced with each other through the sprocket teeth, the first clip chain and the second clip chain are snap-fitted to each other.

In some embodiments, the cover layer has a hydrophobic surface.

In some embodiments, the first clip chain has a plurality of male fasteners extending along the length direction of the chain belt and spaced along the height direction of the chain belt, and any two adjacent male fasteners are located between them. A card slot is defined, the second clip chain has at least one male fastener extending along the length direction of the chain belt, and the first clip chain, the male fastener of the second clip chain and the clip slot Can be snap-fitted to each other. In addition, another object of the present invention is to provide a waterproof slide fastener that does not require the use of the above-mentioned fastener elements, the waterproof slide fastener further includes a slider provided on one side of the fastener tapes adjacent to each other. Each chain belt further includes an upper end surface adjacent to the other chain belt, the first clip chain and the second clip chain are respectively arranged on the upper end surface, when the slider is pulled, the first clip is simultaneously driven The chain and the second clip chain are snap-fitted to each other, thereby connecting the chain straps to each other.

In some embodiments, the sidewalls of the slider contacting the first clip chain and the second clip chain respectively have hooks, and the first clip chain and the second clip chain respectively have at least A groove for the hooking member to be buckled, the hooking member can be slidably arranged in the groove along the length direction of the chain belt, so that the first clip chain and the second clip chain are mate with each other.

In some embodiments, the first clip chain and the second clip link are respectively perpendicular to the upper end surface, respectively extending along the length direction of the chain belt and being spaced along the width direction of the chain belt. a plurality of male fasteners, and a card slot is defined between any two adjacent male fasteners, when the chain is in the closed position, any male fastener of the first clip chain and any one of the card grooves One can be snap-fitted with the other one of any one of the protruding fasteners and any one of the card slots of the second clip chain.

In some embodiments, when the chain belt is in the closed position, the two upper end surfaces overlap each other up and down, and the first clip chain and the second clip chain are respectively parallel to the upper end surface. When the chain belt is in the closed position, the first clip chain and the second clip chain are connected to each other by fitting and fitting relative to each other.

The beneficial effect of the present invention is that the first clip chain and the second clip chain respectively disposed on the two chain belts are snap-fitted to each other, so that water leakage is prevented and a better waterproof effect is provided.

Description of drawings

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the accompanying drawings, wherein:

1 is a schematic diagram of an existing zipper;

Fig. 2 is the schematic diagram of the first embodiment of the waterproof zipper of the present invention;

FIG. 3 is a schematic diagram of a pair of sprockets engaging with each other in the first embodiment;

Fig. 4 is a partial cross-sectional view obtained by section line IV-IV of Fig. 3;

Fig. 5 is the schematic diagram of the second embodiment of the waterproof zipper of the present invention;

Fig. 6 is the schematic diagram of the third embodiment of the waterproof zipper of the present invention;

7 is a schematic diagram of a fourth embodiment of the waterproof slide fastener of the present invention; and

8 is a schematic diagram of a fifth embodiment of the waterproof slide fastener of the present invention.

Detailed ways

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

Referring to FIGS. 2 , 3 and 4 , the first embodiment of the waterproof slide fastener of the present invention includes two chain belts 3 , a clip chain unit 4 , and a slider 5 .

Wherein, each chain belt 3 includes a belt body 31 disposed at the edge of the chain belt 3 , and a plurality of chain teeth 32 spaced along the length direction D1 of the chain belt 3 . The chain teeth 32 can be combined with the belt body 31 by sewing or threading. The slider 5 is movably provided for the sprockets 32 to pass through, and the user operates the slider 5 to make the sprockets 32 interlacely engage with each other, thereby combining the two chain belts 3 .

Specifically, the belt body 31 can be selected from plastics, woven fabrics, or non-woven fabrics, etc., and the sprockets 32 can be selected from metals, such as copper alloys or aluminum alloys, or materials such as plastics. Since the related structures and materials of the belt body 31 and the sprocket teeth 32 are well known to those skilled in the art, they will not be repeated here.

The zipper unit 4 includes a first zipper 41 and a second zipper 42 respectively corresponding to the belt body 31 , and the first zipper 41 and the second zipper 42 can be mutually Snap-fit.

In detail, the first clip chain 41 extends along the length direction D1 of the chain belt 3 and is disposed on the periphery of the teeth 32 of one chain belt 3 , and has two chains along the length direction D1 of the chain belt 3 . The elongated first protruding fasteners 411 extend and are arranged at intervals along the width direction D2 of the chain belt 3 , and a slot 412 is defined between the two first protruding fasteners 411 . The second clip chain 42 extends along the length direction D1 of the chain belt 3 and is arranged on the periphery of the teeth 32 of the other chain belt 3 , and has a long strip extending along the length direction D1 of the chain belt 3 . The second protruding fastener 421 has a shape and a position corresponding to the slot 412 , and the second protruding fastener 421 and the slot 412 can be snap-engaged with each other.

The material of the first clip chain 41 and the second clip link 42 can be used, but not limited to, for example, thermoplastic polyurethane (TPU, Thermoplastic Polyurethane) can be made by thermocompression molding. In addition, it should be noted that the first male fasteners 411 and the second male fasteners 421 may have different numbers or shapes depending on the application or design. For example, the second clip chain 42 may be the same as the The first clip 41 has two second protruding fasteners 421 and a slot therebetween, and in use, only one of the first protruding fasteners 411 is required to correspond to the clip of the second clip 42 slot, or let one of the second protruding fasteners 421 correspond to the slot 412 of the first clip chain 41, the purpose of snapping and sealing can also be achieved, or the first protruding fastener 411 and the second protruding fastener can be changed. 421 shape for better adhesion. The first embodiment only takes one of the implementation aspects as an example, but the actual implementation is not limited to this.

When the user uses the waterproof zipper according to the first embodiment of the present invention, he pulls the slider 5 to make the chain teeth 32 of the chain belt 3 engage with each other in a staggered manner. The second male fasteners 421 of the second clip chain 42 disposed on the periphery of the teeth 32 of the other chain belt 3 are snap-fitted to the corresponding first clips formed on one of the chain belts 3 . In the slot 412 of the chain 41 , the holes 33 between the sprocket teeth 32 are locked and sealed, so that a better waterproof effect can be achieved. In addition, the chain clip unit 4 provided on the chain teeth 32 of the chain belt 3 can also assist the engagement of the chain teeth 32, which can prevent the hook from being disengaged and prolong the life of the waterproof slide fastener.

Referring to FIG. 5 , the structure of the second embodiment of the waterproof zipper of the present invention is substantially the same as that of the first embodiment, except that each of the chain belts 3 further includes a The length direction D1 of the chain belt 3 extends and covers the cover layer 34 of the chain teeth 32 . The chain clip unit 4 is provided on the cover layer 34 of the chain belt 3 .

In detail, the cover layer 34 has a hydrophobic surface so that water cannot penetrate through the cover layer 34 . The cover layer 34 can be selected from materials with inherent hydrophobicity, such as polyurethane (PU, polyurethane), or can be formed by applying a hydrophobic coating to the cloth layer. Wherein, each covering layer 34 has an overlapping surface 341 located at the edge, and the overlapping surfaces 341 of the two covering layers 34 are opposite to each other and overlap up and down when the two link belts 3 are joined together.

The first clip chain 41 and the second clip chain 42 are respectively disposed on the overlapping surface 341 . The two first protruding fasteners 411 of the first clip chain 41 extend along the length direction D1 of the chain belt 3 and are spaced along the height direction D3 of the chain belt 3 , and two adjacent first The card slots 412 are defined between the protruding fasteners 411 . The second protruding fastener 421 of the second clip chain 42 extends along the length direction D1 of the chain belt 3 , and the position corresponds to the locking slot 412 . When the two chain belts 3 are interlaced with each other through the sprocket teeth 32 , the cover layers 34 can be driven to approach each other synchronously, so that the overlapping surfaces 341 overlap each other, so that the overlapped surfaces 341 disposed on the cover layer 34 are made to overlap each other. The second protruding fasteners 421 of the stacking surface 341 are snap-fitted into the engaging grooves 412 to prevent moisture from infiltrating. In addition, the present invention can achieve the effect of waterproofing more effectively by snap-fitting in a way of overlapping up and down. In addition, disposing the clip chain unit 4 on the cover layer 34 is relatively simple in manufacturing process, which can reduce the production cost.

Referring to FIG. 6 , the third embodiment of the waterproof zipper of the present invention has the same structure as the first embodiment, including two chain straps 3 , the clip chain unit 4 , and the slider 5 . The difference is that the two chain belts 3 of the third embodiment are not provided with the sprocket teeth 32 , and the first clip chain 41 and the second clip chain 42 are respectively vertically arranged on the chain belt 3 . And, the side walls of the slider 5 contacting the first clip chain 41 and the second clip chain 42 have a hook member 51 respectively, and the first clip chain 41 and the second clip chain 42 There are respectively at least one first groove 414 and a second groove 424 for the hook member 51 to be locked.

Specifically, the belt body 31 of each chain belt 3 further includes an upper end surface 35 adjacent to the other belt body 31 . The first clip chain 41 includes a first clip chain body 413 vertically disposed on the upper end surface 35 of one of the belt bodies 31 and extending along the length direction D1 of the chain belt 3 , and a plurality of chain belts 31 along the chain belt 3 . The elongated first protruding fasteners 411 extend in the length direction D1 of the chain belt 3 and are spaced along the width direction D2 of the chain belt 3 , and a slot 412 is defined between any two adjacent first protruding fasteners 411 . The second clip chain 42 has a second clip link body 422 vertically disposed on the upper end surface 35 of the other belt body 31 and extending along the length direction D1 of the link belt 3 , and at least one second clip link body 422 along the link belt 3 . The second protruding fasteners 421 are extended in the length direction D1 of the slack, are elongated and have positions corresponding to the slots 412, and the second protruding fasteners 421 and the slots 412 can be snap-fitted to each other. . In FIG. 6 , three first protruding fasteners 411 and two second protruding fasteners 421 are used as examples for illustration. In addition, when there are multiple second protruding fasteners 421 , any two adjacent second protruding fasteners 421 are used for illustration. A latching slot 423 can also be defined between the protruding fasteners 421 for any one of the first protruding fasteners 411 to be clamped. By changing the number of the first protruding fasteners 411 and the second protruding fasteners 421 , the user can snap and engage the first protruding fasteners 411 in different intervals according to the thickness of the inner garment during practical use. and a second convex fastener 421 to adjust the space after the zipper is closed. However, in actual implementation, there may be only two first protruding fasteners 411 and one second protruding fastener 421 , which is not limited thereto.

The slider 5 is arranged on one side of the chain belt 3 adjacent to each other, and the two hooks 51 of the slider 5 can be respectively slid on the first side along the length direction D1 of the chain belt 3 . The groove 414 and the second groove 424 can be further squeezed by the hook member 51 when the user moves the chain belt 3 between the open position and the closed position by pulling the slider 5 , to improve the tightness of the first clip chain 41 and the second clip chain 42 in the closed position. In addition, a plurality of the first grooves 414 and the second grooves 424 can be provided according to the design or according to the quantity of the first male fasteners 411 and the second male fasteners 421 . Accordingly, When the user uses the first protruding fastener 411 and the second protruding fastener 421 to fasten different clip segments, the user can also adjust the first groove 414 and the second groove 424 respectively. It is located at the outer position of the first clip body 413 and the second clip body 422, so that the hook member 51 can be pressed and fixed corresponding to different clip chains, and the first clip 41 is lifted when it is in the closed position. and the tightness of the second clip chain 42 . The third embodiment only takes one of the implementation aspects as an example, but the actual implementation is not limited to this. Since the relevant structures and materials of the belt body 31 , the slider 5 , the first clip chain 41 , and the second clip chain 42 are substantially the same as those described in the previous embodiments, there is no need to add any more here. Repeat.

When the user wants to close the chain belt 3, by driving the slider 5 to move toward the closing direction, the upper end surfaces 35 of the belt body 31 are brought close to each other, and the first clip body 413 and the The second protruding fasteners 421 of the second clip body 422 are snap-fitted into the snap-in slots 412 to simultaneously snap and close the chain belts 3 to each other, so that the chain belts 3 are in the closed position, and the Prevent water penetration. When the user wants to open the chain belt 3 , he drives the slider 5 to move toward the opening direction, so that the second protruding buckles of the first clip body 413 and the second clip body 422 are driven. The member 421 is away from the card slot 412, so that the chain belts 3 are separated from each other in the open position.

In this embodiment, the two chain straps 3 are directly snap-coupled by the clip chain unit 4 to prevent water from leaking through the waterproof zipper. In addition, because the sprocket teeth 32 do not need to be provided, the manufacturing process can also be simplified and the production cost can be reduced.

Referring to FIG. 7 , the structure of the fourth embodiment of the waterproof zipper of the present invention is substantially the same as that of the third embodiment, except that the first clip body 413 and the second clip body 422 are respectively provided On the upper end surface 35 of the belt body 31 , there are respectively parallel regions parallel to the upper end surface 35 , and the first protruding fasteners 411 and the second protruding fasteners 421 are disposed in the parallel regions. When the chain belt 3 is in the closed position, the two upper end surfaces 35 overlap each other up and down, so that the locking slot 412 and the second male fastener 421 can be engaged with each other correspondingly. Accordingly, when the user moves toward the closing direction by pulling the slider 5 , the upper end surfaces 35 of the two belt bodies 31 will overlap each other up and down, so that the second protruding buckles disposed on the two upper end surfaces 35 are formed. The element 421 is snap-fitted into the slot 412 so as to be combined with the chain belt 3 to achieve the purpose of preventing the penetration of moisture. The first clip chain 41 and the second clip chain 42 are joined together in an overlapping manner to achieve a more effective waterproof effect.

It should be further explained that the hook member 51 of the slider 5 and the first groove 414 and the second groove corresponding to the first clip chain 41 and the second clip chain 42 The purpose of 424 is to help improve the tightness of the first clip chain 41 and the second clip chain 42 in the closed position. Therefore, depending on the requirements and purposes, it is not necessary to provide the hook members 51 and 42. The first trench 414 and the second trench 424 .

Referring to FIG. 8 , the structure of the fifth embodiment of the waterproof zipper of the present invention is substantially the same as that of the fourth embodiment, except that the parallel regions of the second clip body 422 are joined to the corresponding belt bodies 31, the first groove 414 is arranged on the long sidewall of the first clip 41, and the second groove 424 is arranged on the surface of the second clip 42 away from the first clip 41 , and the slider 5 is in an inverted L shape, so that the hooks 51 of the slider 5 can be slidably installed in the first groove 414 and the second groove 424 respectively. Accordingly, there is no gap between the second clip body 422 and the belt body 31 , and the manufacturing process is relatively simple, which can reduce the production cost.

It is worth noting that, in the third to fifth embodiments of the present invention, any inner side wall of the slider 5 in contact with the first clip chain 41 and the second clip chain 42 can be provided with threads or rough edges, for example. surface, etc., to increase the friction force when snapping.

To sum up, the present invention achieves preventing water from infiltrating into the chain belt 3 through the gap, or using all the The clip chain unit 4 cooperates with the sprocket teeth 32 to set the first clip chain 41 and the second clip chain 42 on the periphery of the sprocket teeth 32, or the first clip chain 41 and the The second clip chain 42 is disposed on the cover layer 34 , whereby when the two chain belts 3 are interdigitated with each other through the sprocket teeth 32 , the first clip chain 41 and the second clip chain can be synchronously connected 42 snap-fit to prevent water infiltration. Therefore, the object of the present invention can indeed be achieved.

The above are only examples of the present invention, and should not limit the scope of implementation of the present invention, that is, any simple equivalent changes and modifications made according to the claims of the present invention and the contents of the description still belong to the present invention. scope of invention.

Claims (10)

1. A waterproof zipper, wherein the waterproof zipper comprises: two chain belts, each chain belt includes a plurality of sprocket teeth spaced along the length direction of the chain belt, and the chain teeth of the chain belt can be interlocked with each other to combine the chain belts; and The clip chain unit has a first clip chain and a second clip chain respectively arranged on the chain belt, and the first clip chain and the second clip chain can be fitted with each other correspondingly, when the chain belt passes through When the sprocket teeth are engaged with each other, the first clip chain and the second clip chain can be snap-fitted to each other. 2 . The waterproof zipper according to claim 1 , wherein the first clip chain and the second clip chain are respectively arranged on the periphery of the sprocket teeth of the chain belt. 3 . 3 . The waterproof zipper according to claim 2 , wherein the first clip chain has a plurality of convex fasteners extending along the length direction of the chain belt and arranged at intervals along the width direction of the chain belt, 4 . And any two adjacent protruding fasteners define a slot, the second clip chain has at least one protruding fastener extending along the length direction of the chain belt, and the first clip chain, the second clip chain The protruding fasteners and the card grooves of the clip chain can be engaged with each other by snapping. 4. The waterproof zipper according to claim 1, wherein each chain belt further comprises a cover layer, the cover layer is arranged on one surface of the chain belt and covers the chain teeth, and has On the overlapping surface of the edge, when the two chain belts are combined with each other, the overlapping surfaces of the two covering layers will be opposite to each other and overlap up and down, the first clip chain and the second clip chain are respectively It is arranged on the overlapping surface, and when the two chain belts engage with each other through the chain teeth, the first clip chain and the second clip chain will be snap-fitted to each other. 5. The waterproof zipper of claim 4, wherein the cover layer has a hydrophobic surface. 6 . The waterproof zipper according to claim 4 , wherein the first clip chain has a plurality of protruding fasteners extending along the length direction of the chain belt and arranged at intervals along the height direction of the chain belt, 6 . And any two adjacent protruding fasteners define a slot, the second clip chain has at least one protruding fastener extending along the length direction of the chain belt, and the first clip chain, the second clip chain The protruding fasteners and the card grooves of the clip chain can be engaged with each other by snapping. 7. A waterproof zipper, characterized in that the waterproof zipper comprises: Two long chain belts are arranged adjacent to each other, and each chain belt includes an upper end face adjacent to the other chain belt; a clip chain unit, comprising a first clip chain and a second clip chain respectively disposed on the upper end surface, and the first clip chain and the second clip chain can be fitted with each other correspondingly; and The slider is arranged on one side of the chain belt adjacent to each other, and can move back and forth along the length direction of the chain belt, so as to make the chain belt change between the open position and the closed position, wherein, when the chain belt When the straps are in the closed position, the first clip link and the second clip link can be snap-engaged with each other to engage the chain straps with each other. 8 . The waterproof zipper according to claim 7 , wherein the side walls of the slider contacting the first clip chain and the second clip chain have hooks respectively, and the first clip chain and The second clip chain respectively has at least one groove for the hook member to be fastened, and the hook member can be slidably arranged in the groove along the length direction of the chain belt, so that the first The clip chain and the second clip chain are fitted with each other correspondingly. 9 . The waterproof zipper according to claim 7 , wherein the first clip chain and the second clip chain are respectively perpendicular to the upper end surface, respectively extending along the length direction of the chain belt and extending along the length direction of the chain belt. 10 . A plurality of convex fasteners are arranged at intervals in the width direction of the chain belt, and a slot is defined between any two adjacent convex fasteners. When the chain belt is in the closed position, any protrusion of the first clip chain is One of the fastener and any one of the card slots can be snap-fitted with any one of the male fasteners of the second clip chain and the other of any one of the card slots. 10 . The waterproof zipper according to claim 7 , wherein when the chain belt is in the closed position, the two upper end surfaces overlap each other up and down, and the first clip chain and the second clip The chains are respectively parallel to the upper end surface, and when the chain belt is in the closed position, the first clamp chain and the second clamp chain are fitted and connected to each other relative to each other.

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