TWI754815B - Waterproof zipper - Google Patents

Abstract

A waterproof zipper includes two chain belts, a chain clip unit, and a slider. The clip chain unit has a first clip chain and a second clip chain respectively disposed on the two chain belts, and the first clip chain and the second clip chain are snap-joined with each other by pulling the slider, Prevent water leakage and pass through, providing better waterproof effect.

Description

Waterproof zipper

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

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. The zipper mainly includes two chain belts 1, each chain belt 1 includes a cloth belt 11, a plurality of sprockets 12 arranged at intervals along the length direction of the cloth belt 11, and a movably passing through the sprockets 12. The zipper head 2, by pulling the zipper head 2 to move up and down, can control the sprocket teeth 12 to engage in a staggered manner to close or open the zipper. However, after the zipper is closed, there are still pores 13 between the adjacent sprocket teeth 12. Therefore, water will penetrate into the zipper through the pores 13, and the waterproof effect cannot be achieved. or inconvenience in use.

Therefore, the purpose of the present invention is to provide a waterproof slide fastener with waterproof properties.

Therefore, the waterproof slide fastener of the present invention includes two chain belts and a chain clip 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 interlocked with each other, so as to combine the two chain belts.

The clip chain unit includes a first clip chain and a second clip chain respectively disposed on the chain belts, and the first clip chain and the second clip chain can be fitted into each other correspondingly, when the two chain belts pass through When the chain teeth are engaged with each other, the first clip chain and the second clip chain can be snap-fitted to each other.

In addition, another object of the present invention is to provide a waterproof zipper which does not need to use the above-mentioned fastener teeth, and the waterproof zipper further includes a slider disposed on one side of the fastener tapes adjacent to each other. Each chain belt also includes an upper end surface adjacent to the other chain belt, the first clamp chain and the second clamp chain are respectively arranged on the upper end surfaces, when the slider is pulled, the first clamp chain and the second clamp chain are simultaneously driven. The second clip chains are snap-fitted to each other, thereby joining the chain straps to each other.

The effect of the present invention is as follows: the first clip chain and the second clip chain respectively disposed on the two chain belts are snap-fitted to each other, so as to prevent the leakage of water and provide a better waterproof effect.

3: Chain belt

31: Belt body

32: Sprocket

321: Head

33: Pore

34: Overlay

341: Overlapping Faces

35: Upper end face

4: Clip chain unit

41: The first clip

411: The first convex fastener

412: Card slot

413: The first clip body

414: First groove

42: Second clip

421: Second male fastener

422: Second clip body

423: Card slot

424: Second groove

5: Pull the head

51: Hook parts

Other features and effects of the present invention will be described with reference to the embodiments of the drawings 1 is a schematic diagram of a conventional zipper; FIG. 2 is a schematic diagram of a first embodiment of a waterproof zipper of the present invention; FIG. 3 is a pair of sprockets of the first embodiment. Schematic diagram; Fig. 4 is a partial cross-sectional view drawn by section line IV-IV of Fig. 3; Fig. 5 is a schematic diagram of a second embodiment of a waterproof zipper of the present invention; Fig. 6 is a schematic diagram of a third embodiment of the waterproof zipper of the present invention 7 is a schematic diagram of a fourth embodiment of the waterproof zipper of the present invention; and FIG. 8 is a schematic diagram of a fifth embodiment of the waterproof zipper of the present invention.

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 , a first embodiment of the waterproof zipper of the present invention includes two chain straps 3 , a chain clip 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 sprockets 32 arranged at intervals along the length direction of the belt body 31, and each sprocket 32 has a The heads 321 of the adjacent sprocket teeth 32 are engaged with each other. The chain teeth 32 can be combined with the belt body 31 by sewing or threading. The slider 5 is movably passed through the sprockets 32 , and the user operates the slider 5 to make the sprockets 32 of the belt bodies 31 . The heads 321 of the two chains engage with each other in a staggered manner, so that the two chain belts 3 are combined.

Specifically, the belt body 31 can be selected from plastics, woven fabrics, or non-woven fabrics, 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 bodies 31 and the sprockets 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 disposed on the belt bodies 31 , and the first zipper 41 and the second zipper 42 can be snap-fitted to each other. .

Specifically, the first clip chain 41 is disposed on the head 321 of each sprocket 32 of one of the belt bodies 31 , and extends around the circumference of the head 321 , and has two lengths along the length of the sprockets 32 . There are elongated first protruding fasteners 411 extending and spaced along the width direction, and a slot 412 is defined between the two first protruding fasteners 411 . The second clip chain 42 is disposed on the head 321 of each sprocket 32 of the other belt body 31 , and extends around the periphery of the head 321 . The second protruding fastener 421 is strip-shaped and positioned corresponding to the slot 412 , and the second protruding fastener 421 and the slot 412 can be snap-fitted to each other.

The material of the first clip chain 41 and the second clip link 42 can be made of, but not limited to, TPU (Thermoplastic Polyurethane, thermoplastic polyurethane) thermoforming. 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 first clip chain 41 and the second clip link 42 can have two first protruding fasteners 411 and two second protruding fasteners 421 respectively, and in use, only the first protruding fastener 411 and the second protruding fasteners 411 are required. One of the fasteners 421 corresponds to the opposite slot 412 , which can also achieve the purpose of snapping and sealing, or can change the shape of the first male fastener 411 and the second male fastener 421 so as to have a better seal sex. 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 of the present invention, he pulls the slider 5 to make the chain teeth 32 of the belt bodies 31 engage with each other in a staggered manner. The second protruding fasteners 421 on the periphery of the 32 are snap-fitted into the corresponding snap slots 412 , so as to snap and seal the holes 33 between the sprocket teeth 32 , thereby achieving a better waterproof effect. In addition, the clip unit 4 disposed on each sprocket 32 can also assist in the meshing of the sprockets 32 , which can prevent unhooking and prolong the life of the waterproof zipper.

Referring to FIG. 5 , a second embodiment of the waterproof zipper of the present invention has substantially the same structure as the first embodiment, except that each chain belt 3 further includes one of the corresponding chain belts 3 . surface, and will cover the cover layer 34 of the sprockets 32 , and the clip chain unit 4 is disposed on the cover layer 34 .

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 cover layer 34 has an overlap at the edge Surface 341 , and the overlapping surfaces 341 of the two covering layers 34 are opposite to each other and overlap up and down when the two chain belts 3 are joined together.

The first clip chain 41 and the second clip link 42 are respectively disposed on the overlapping surfaces 341 . The two first protruding fasteners 411 of the first clip chain 41 extend along the length direction of the cover layer 34 and are spaced apart along the width direction, and the adjacent two first protruding fasteners 411 define the Card slot 412 . The second protruding fasteners 421 of the second clip chain 42 extend along the length direction of the covering layer 34 , and the positions correspond to the locking grooves 412 . When the two chain belts 3 are interlaced with each other through the chain teeth 32 , the covering layers 34 can be driven to approach each other synchronously, so that the overlapping surfaces 341 overlap each other, so that the overlapping surfaces disposed on the covering layers 34 are overlapped with each other. The second protruding fastener 421 of the surface 341 is snap-fitted into the engaging slot 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 unit 4 on the cover layer 34 is relatively simple in manufacturing process, which can reduce the production cost.

Referring to FIG. 6 , a third embodiment of the waterproof zipper of the present invention has the same structure as the first embodiment, including the two chain straps 3 , the chain clip unit 4 , and the slider 5 . The difference is that the two chain belts 3 of the third embodiment are not provided with the chain teeth 32 , and the first clamp chain 41 and the second clamp chain 42 are respectively vertically disposed on the chain belts 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 respectively have at least one available for The first groove 414 and the second groove 424 of the hook member 51 are 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 link body 413 vertically disposed on the upper end surface 35 of the belt body 31 , a plurality of first clip link bodies 413 extending along the length direction of the first clip link body 413 , spaced and elongated along the width direction. The strip-shaped first protruding fasteners 411 define a slot 412 between any two adjacent first protruding fasteners 411 . The second zipper 42 has a second zipper body 422 vertically disposed on the upper end surface 35 of the other strap 31 , and at least one elongated and elongated zipper body 422 extending along the length of the second zipper body 422 . The positions of the second protruding fasteners 421 are respectively corresponding to the card slots 412 , and the second protruding fasteners 421 and the card 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 Between the fasteners 421 can also define a slot 423 for any 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 in different areas according to the thickness of the inner garment during practical use. 411. The second convex fastener 421 is used 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 disposed on one side of the chain belts 3 adjacent to each other, and the hook member 51 of the slider 5 can be slidably installed in the first groove 414 and the second groove along the length direction of the chain belts 3 . The groove 424, when the user moves the chain belts 3 between an open position and a closed position by pulling the slider 5, can be further squeezed by the hook member 51 to lift In the closed position, the tightness of the first clip chain 41 and the second clip chain 42 . 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 number of the first male fasteners 411 and the second male fasteners 421 . Accordingly, when the user uses the When the first protruding fastener 411 and the second protruding fastener 421 are buckled in different clip chains, it can also be pressed and fixed on the outside by adjusting the position of the latching groove of the hooking element 51, and the lifting is closed. The tightness of the first clip chain 41 and the second clip chain 42 in the position. The third embodiment only takes one of the implementation aspects as an example, but the actual implementation is not limited to this. Since the related 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, the details are not repeated here.

When the user wants to close the chain belts 3 , by driving the slider 5 to move toward the closing direction, the upper end surfaces 35 of the belt bodies 31 are brought close to each other, so that the first clip body 413 and the second chain body 413 are moved toward each other. The second protruding fastener 421 of the zipper body 422 is snap-fitted into the snap-in slot 412 , and the fastener tapes 3 are snapped and closed with each other synchronously, so that the fastener tapes 3 are in the closed position to prevent water from infiltrating. . When the user wants to open the chain belts 3 , he drives the slider 5 to move toward the opening direction, so that the second protruding fasteners 421 of the first clip body 413 and the second clip body 422 are kept away from The card slot 412 is in the open position so that the chain belts 3 are separated from each other.

In this embodiment, the two chain straps 3 are directly snapped together by the clip chain unit 4 to prevent water from leaking through the waterproof zipper. In addition, since there is no need to provide the sprockets 32, Therefore, the manufacturing process can be simplified and the production cost can be reduced.

Referring to FIG. 7 , a fourth embodiment of the waterproof zipper of the present invention has substantially the same structure as the third embodiment, except that the first clip body 413 and the second clip body 422 are respectively disposed in the The upper end surfaces 35 of the belt body 31 respectively have parallel regions parallel to the upper end surfaces 35 , and the first protruding fasteners 411 and the second protruding fasteners 421 are disposed in the parallel regions. When the chain belts 3 are 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 protruding 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 strap 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 combine the chain belts 3, so as 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, so that the waterproof effect can be more effectively achieved.

It should be noted that the purpose of the hook member 51 of the slider 5 and the first groove 414 and the second groove 424 corresponding to the first clip chain 41 and the second clip chain 42 can be It helps to improve the tightness of the first clip chain 41 and the second clip chain 42 in the closed position. Therefore, it is not necessary to provide the hook member 51, the first groove 414 and the first clip according to the needs and purposes. Two grooves 424 .

Referring to FIG. 8 , a fifth embodiment of the waterproof zipper of the present invention has substantially the same structure as the fourth embodiment, except that the second zipper body 422 is parallel to the The first groove 414 is disposed on the long sidewall of the first clip 41 , and the second groove 424 is disposed on the surface of the second clip 42 away from the first clip 41 , and the slider 5 is L-shaped, 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 surfaces, for example, Increase friction when snapping.

To sum up, the present invention achieves preventing water from infiltrating into the chain belts 3 through the gap by providing the chain clip unit 4, and using the chain chain unit 4 to snap together to join the two chain belts 3 alone, or to use the The clip chain unit 4 cooperates with the sprockets 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 second clip chain 42 Set on the covering layers 34, therefore, when the two chain belts 3 are interdigitated with each other through the sprockets 32, the first clip chain 41 and the second clip chain 42 can be snap-fitted synchronously, so as to prevent water purpose of penetration. Therefore, the object of the present invention can indeed be achieved.

However, the above are only examples of the present invention, and should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the application for patent of the present invention and the content of the patent specification are still within the scope of the present invention. within the scope of the invention patent.

3: Chain belt

31: Belt body

32: Sprocket

321: Head

4: Clip chain unit

5: Pull the head

Claims (5)

A waterproof zipper, comprising: two chain belts, each chain belt includes a plurality of sprocket teeth arranged at intervals along the length direction of the chain belt, and a covering layer, the covering layer is arranged on one of the surfaces of the chain belt and covers The chain teeth have an overlapping surface at the edge, the chain teeth of the two chain belts can be interlocked with each other to combine the two chain belts, and when the two chain belts are combined with each other, the two covering layers The overlapping surfaces are opposite to each other and overlap up and down; and a clip chain unit has a first clip chain and a second clip chain respectively arranged on the chain belts, and the first clip chain and the second clip chain The clip chains can be fitted with each other correspondingly, wherein when the two chain belts are engaged with each other through the sprocket teeth, the first clip chain and the second clip chain can be snap-fitted with each other and are respectively disposed on the overlapping surfaces. A waterproof zipper, comprising: two chain belts, and a chain clip unit, each chain belt includes a plurality of chain teeth spaced along the length direction of the chain belt, and each chain tooth has a chain element for connecting with adjacent chain teeth Heads that engage with each other, and the sprockets of the two chain belts can be interlocked with each other to combine the two chain belts, the clip chain unit has a first clip chain and a second clip chain respectively arranged on the chain belts zipper chain, and the first zipper chain and the second zipper chain can be fitted with each other correspondingly, wherein, when the two zipper belts are engaged with each other through the sprockets, the first zipper chain and the second zipper chain can be mutually snap-fit, wherein the first clip chain and the second clip link are respectively disposed on the heads of the sprocket teeth and extend around the periphery of each head. The waterproof zipper as claimed in claim 2, wherein the first clip chain has along each A plurality of protruding fasteners extending in the length direction of each sprocket and arranged at intervals along the width direction, and a slot is defined between any two adjacent protruding fasteners, the second clip chain has at least one along the length direction of each sprocket. The protruding fasteners are extended, and the protruding fasteners and the clamping grooves of the first clip chain and the second clip chain can be snap-fitted to each other. The waterproof zipper according to claim 1, wherein the cover layer has a hydrophobic surface. The waterproof zipper according to claim 1, wherein the first clip chain has a plurality of protruding fasteners extending along the length direction of the covering layer and spaced along the width direction, and any two adjacent protruding fasteners are defined between two protruding fasteners. a slot, the second clip has at least one protruding fastener extending along the length direction of the cover layer, and the first clip, the protruding clip of the second clip and the slot can be snap-fitted to each other .

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