CN111887544B - 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 from passing through, and a better waterproof effect is provided.

Description

waterproof zipper

technical field

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

Background technique

In daily life, the design and application of zippers are very popular, and they are often found on clothing, bags, tents, sleeping bags and other commodities. Referring to Fig. 1, the existing slide fastener mainly comprises two chain belts 1, and each chain belt 1 comprises a cloth belt 11, a plurality of chain teeth 12 arranged at intervals along the length direction of the cloth belt 11, and a movable supply The zipper puller 2 through which the sprockets 12 are passed can control the staggered meshing of the sprockets 12 to close or open the zipper by pulling the zipper puller 2 to move up and down. However, after the zipper is closed, there are still pores 13 between adjacent chain teeth 12, so water will seep into the inside of the zipper along the pores 13, and the waterproof effect cannot be achieved, which increases the user's ability to wear in rainy or humid environments. or inconvenience in use.

Contents of the invention

The object of the present invention is to provide a waterproof slide fastener with water resistance.

The waterproof slide fastener of the present invention comprises two chain belts and a clip chain unit. Each chain belt includes a plurality of sprockets arranged at intervals along the length direction of the chain belt, and the sprocket teeth of the two chain belts can be interlaced and meshed 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 correspondingly to each other, when the two chain belts pass through When the sprockets are engaged with each other, the first clip chain and the second clip chain can snap engage with each other.

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

In some implementation aspects, 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 width direction of the chain belt, and any two adjacent protruding fasteners Define a card slot, the second clip chain has at least one protruding buckle extending along the length direction of the chain belt, and the first clip chain, the protruding buckle and the card slot of the second clip chain Can be snapped into each other.

In some implementation aspects, each of the chain belts further includes a covering layer, the covering layer is arranged on one of the surfaces of the chain belt and covers the chain teeth, has an overlapping surface at the edge, and when the When the two chain belts are combined with each other, the overlapping surfaces of the two covering layers will face each other and overlap up and down. The first clip chain and the second clip chain are respectively arranged on the overlapping surfaces. When the two chain belts are interlaced and meshed with each other through the chain teeth, the first clip chain and the second clip chain will snap engage with each other.

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

In some implementation aspects, 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, and any two adjacent protruding fasteners Define a card slot, the second clip chain has at least one protruding buckle extending along the length direction of the chain belt, and the first clip chain, the protruding buckle and the card slot of the second clip chain Can be snapped into each other. In addition, another object of the present invention is to provide a waterproof zipper without using the above-mentioned chain teeth, and the waterproof zipper further includes a slider disposed on the adjacent side of the chain belts. Each chain belt also includes an upper end surface adjacent to another 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 chain is simultaneously driven The chain and the second clip chain are snap-engaged with each other, thereby engaging the chain straps with each other.

In some implementation aspects, the side walls 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 buckle of the hook member, the hook member can be slid in the groove along the length direction of the chain belt, so that the first clip chain and the second clip chain correspond to each other.

In some implementation aspects, the first clip chain and the second clip chain are respectively perpendicular to the upper end surface, and have the function of extending along the length direction of the chain belt and arranged at intervals along the width direction of the chain belt. a plurality of protruding fasteners, and a card slot is defined between any two adjacent protruding fasteners. One can snap engage with the other of any one of the protruding fasteners and any one of the slots of the second clip chain.

In some implementation aspects, when the chain belt is in the closed position, the two upper end surfaces will overlap each other up and down, and the first clip chain and the second clip chain are respectively parallel to the upper end surfaces, when the When the chain belt is in the closed position, the first clip chain and the second clip chain are relatively fitted and connected with each other.

The beneficial effect of the present invention is that: the first clip chain and the second clip chain respectively arranged on the two chain belts are snapped and engaged with each other to prevent water from leaking through and provide a better waterproof effect.

Description of drawings

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

Fig. 1 is a schematic diagram of an existing slide fastener;

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

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

Figure 4 is a partial sectional view drawn from the section line IV-IV of Figure 3;

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

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

Fig. 7 is the schematic diagram of the fourth embodiment of waterproof slide fastener of the present invention; And

Fig. 8 is a schematic diagram of a fifth embodiment of the waterproof zipper 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 denoted by the same numerals.

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

Wherein, each chain belt 3 includes a belt body 31 arranged on the edge of the chain belt 3 , and several chain teeth 32 arranged at intervals along the length direction D1 of the chain belt 3 . The chain teeth 32 can be combined with the belt body 31 by means of 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 interlock with each other, thereby combining the two chain belts 3 .

In detail, the belt body 31 can be selected from plastic, woven fabric, or non-woven fabric, etc., and the chain teeth 32 can be selected from metal, such as copper alloy or aluminum alloy, or plastic. Since the relevant structures and materials of the belt body 31 and the sprockets 32 are well known 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 interact with each other. Snap fit.

In detail, the first clip chain 41 extends along the length direction D1 of the chain belt 3 and is arranged on the periphery of the sprocket 32 of one of the chain belts 3 , and has two chains along the length direction D1 of the chain belt 3 . The elongated first protruding fasteners 411 are extended and 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 sprocket 32 of another chain belt 3 , and has a long strip extending along the length direction D1 of the chain belt 3 . The shape and position of the second protruding fastener 421 corresponding to the slot 412, the second protruding fastener 421 and the clamping slot 412 can be engaged with each other.

The material of the first clip chain 41 and the second clip chain 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 protruding fastener 411 and the second protruding fastener 421 may also have different numbers or shapes depending on the application or design. For example, the second clip chain 42 may be the same as The first clip chain 41 has two second protruding fasteners 421 and a card slot therebetween, and in use, only one of the first protruding fasteners 411 needs to correspond to the clip of the second clip chain 42 groove, or let one of the second protruding fasteners 421 correspond to the card groove 412 of the first clip chain 41, which can also achieve the purpose of snapping and sealing, or the first protruding fastener 411 and the second protruding fastener can be changed 421 shape, so that it has better adhesion. The first embodiment is only described by taking one implementation manner as an example, but the actual implementation is not limited thereto.

When the user uses the waterproof zipper according to the first embodiment of the present invention, the chain teeth 32 of the chain belt 3 are staggered and meshed with each other by pulling the slider 5, so that when the chain teeth 32 are engaged, the The second protruding buckle 421 of the second clip chain 42 disposed on the periphery of the sprocket 32 of the other chain belt 3 is snapped and engaged with the corresponding first clip formed on the one chain belt 3 . The slots 412 of the chain 41 are used to engage and seal the gaps 33 between the chain teeth 32 to achieve a better waterproof effect. In addition, the clip chain unit 4 disposed on the sprocket 32 of the chain belt 3 can also assist the engagement of the sprocket 32, which can prevent decoupling and prolong the life of the waterproof zipper.

Referring to Fig. 5, the second embodiment of the waterproof zipper of the present invention has a structure substantially the same as that of the first embodiment, the difference is that each of the chain belts 3 also includes a surface arranged on its corresponding surface, along the The length direction D1 of the chain belt 3 extends and covers the covering layer 34 of the chain teeth 32 . The clip chain unit 4 is disposed on the covering layer 34 of the chain belt 3 .

In detail, the covering layer 34 has a hydrophobic surface so that water cannot penetrate through the covering layer 34 . The covering layer 34 can be selected from a hydrophobic material itself, such as polyurethane (PU, polyurethane), or it can be formed by coating a hydrophobic paint on 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 will face each other and overlap up and down when the two fastener tapes 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 arranged at intervals along the height direction D3 of the chain belt 3 , and the adjacent two first The locking slot 412 is defined between the protruding fasteners 411 . The second protruding buckle 421 of the second clip chain 42 extends along the length direction D1 of the chain belt 3 , and its position corresponds to the slot 412 . When the two chain belts 3 are staggered and meshed with each other through the sprockets 32, the covering layers 34 can be synchronously driven to approach each other so that the overlapping surfaces 341 overlap each other, so that the overlapping surfaces 341 arranged on the covering layers 34 The second protruding fastener 421 of the stacking surface 341 snaps into the slot 412 to prevent moisture from infiltrating. In addition, in the present invention, the buckle joint is performed in a manner of overlapping up and down, so that the waterproof effect can be more effectively achieved. In addition, disposing the clip chain unit 4 on the cover layer 34 is relatively simple in manufacturing process and can reduce 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 chain teeth 32 , and the first clip chain 41 and the second clip chain 42 are vertically arranged on the chain belt 3 respectively. And, the side walls of the slider 5 contacting the first clip chain 41 and the second clip chain 42 respectively have a hook member 51, and the first clip chain 41 and the second clip chain 42 There are respectively at least one first groove 414 and second groove 424 which can be buckled by the hook member 51 .

In detail, the belt body 31 of each chain belt 3 also 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 arranged 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 chains along the chain belt 3 . The elongated first protruding fasteners 411 extend along the length direction D1 of the chain belt 3 and are arranged at intervals 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 chain body 422 vertically arranged on the upper end surface 35 of the other belt body 31 and extending along the length direction D1 of the chain belt 3 , and at least one The second protruding fasteners 421 extending in the length direction D1 of the elongated strip and corresponding to the slots 412, and the second protruding fasteners 421 and the slots 412 can be engaged with each other. . In Fig. 6, three first protruding fasteners 411 and two second protruding fasteners 421 are taken as an example. In addition, when there are multiple second protruding fasteners 421, any two adjacent second protruding fasteners An engaging slot 423 for any one of the first protruding fasteners 411 can also be defined between the protruding fasteners 421 . 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 sections depending on the thickness of the inner clothing during practical use. , The second protruding fastener 421 to adjust the space after the zipper is closed. However, in practice, there may be only two first protruding fasteners 411 and one second protruding fastener 421 , and it 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 slid on the first side along the length direction D1 of the chain belt 3 respectively. The groove 414 and the second groove 424, when the user pulls the slider 5 to move the chain belt 3 between the open position and the closed position, can further be squeezed by the hook member 51 , improving the tightness of the first clip chain 41 and the second clip chain 42 when they are in the closed position. In addition, the first groove 414 and the second groove 424 may be provided in multiples depending on the design or in accordance with the number of the first protruding fasteners 411 and the second protruding fasteners 421. Accordingly, When the user uses the first protruding fastener 411 and the second protruding fastener 421 to buckle different clip chain sections, the user can also adjust the first groove 414 and the second groove 424 respectively. Located at the outer side of the first clip chain body 413 and the second clip chain body 422, for the hook member 51 to buckle and press and fix corresponding to different clip chain sections, and when the first clip chain 41 is lifted to the closed position And the tightness of the second clip chain 42. The third embodiment is only described by taking one of the implementation modes as an example, but the actual implementation is not limited thereto. 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 embodiment, no further details will be added here. repeat.

When the user wants to close the chain belt 3, by driving the slider 5 to move towards the closing direction, the upper end surface 35 of the belt body 31 is made to approach each other, so that the first clip chain body 413 and the The second protruding buckle 421 of the second clip chain body 422 snaps into the slot 412, synchronously snaps and closes the chain belts 3 to each other, so that the chain belt 3 is in the closed position, and can Stop water from penetrating. When the user wants to open the chain belt 3, it is by driving the slider 5 to move toward the opening direction, so that the first clip chain body 413 and the second convex buckle of the second clip chain body 422 The member 421 is away from the slot 412, so that the chain belts 3 are separated from each other and located at the open position.

In this embodiment, two chain straps 3 are directly buckled together through the clip chain unit 4 to prevent water from leaking through the waterproof zipper. In addition, since the chain teeth 32 do not need to be provided, the manufacturing process can be simplified and the production cost can be reduced.

Referring to Fig. 7, the fourth embodiment of the waterproof zipper of the present invention has substantially the same structure as the third embodiment, the difference is that the first clip chain body 413 and the second clip chain body 422 are respectively set 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 buckle 411 and the second protruding buckle 421 are disposed on 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 engaging slot 412 and the second protruding buckle 421 can be correspondingly engaged with each other. Accordingly, when the user pulls the slider 5 to move towards the closing direction, the upper end surfaces 35 of the two straps 31 will overlap each other up and down, so that the second protruding buckle disposed on the two upper end surfaces 35 The component 421 is snapped into the slot 412 to combine with the chain belt 3 to prevent moisture from infiltrating. The waterproof effect can be achieved more effectively by making the first clip chain 41 and the second clip chain 42 overlapped and joined together up and down.

It should be explained again that the hook 51 of the slider 5 and the first groove 414 and the second groove correspondingly arranged on 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, it is not necessary to set the hook member 51, The first groove 414 and the second groove 424 .

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

It should be noted that, in the third to fifth embodiments of the present invention, any inner wall of the slider 5 in contact with the first clip chain 41 and the second clip chain 42 can be provided with, for example, threads or rough surface, etc., to increase the friction during fastening.

To sum up, the present invention sets up the clip chain unit 4, and after the two chain belts 3 are combined by snapping the clip chain unit 4 alone, it can prevent water from penetrating into the chain belt 3 through the gap, or use the The clip chain unit 4 cooperates with the sprocket 32, and the first clip chain 41 and the second clip chain 42 are arranged on the periphery of the sprocket 32, or the first clip chain 41 and the The second clip chain 42 is arranged on the cover layer 34, thereby, when the two chain belts 3 are staggered and meshed with each other through the sprockets 32, the first clip chain 41 and the second clip chain can be synchronized. 42 are snapped together to achieve the purpose of preventing water infiltration. So the purpose of the present invention can be achieved indeed.

The above is only an embodiment of the present invention, and should not limit the scope of the present invention with this, that is, all simple equivalent changes and modifications made according to the claims of the present invention and the contents of the description are still within the scope of this invention. the scope of the invention.

Claims (9)

1. A waterproof slide fastener, characterized in that it comprises:

each chain belt comprises a plurality of chain teeth which are arranged at intervals along the length direction of the chain belt, and the chain teeth of the chain belts can be mutually staggered and meshed to combine the chain belts; and

a clamping unit having a first clamping chain and a second clamping chain respectively disposed on the chain belt, wherein the first clamping chain and the second clamping chain can be correspondingly embedded with each other, and when the chain belts are engaged with each other via the teeth, the first clamping chain and the second clamping chain can be mutually engaged with each other;

each chain belt still includes the overburden, the overburden is located one of them surface of chain belt covers the sprocket, has the overlap face that is located the edge, works as two when two chain belts combine each other, two the overlap face of overburden can be relative each other to overlap from top to bottom, first double-layered chain with the second double-layered chain sets up respectively in the overlap face, when two chain belts via when the sprocket is crisscross engaged with each other, first double-layered chain with the second double-layered chain can be buckle joint each other.

2. The waterproof slide fastener according to claim 1, wherein: the first clip chain and the second clip chain are respectively arranged on the periphery of the chain teeth of the chain belt.

3. The waterproof slide fastener according to claim 2, wherein: the first clip chain is provided with a plurality of convex fasteners which extend along the length direction of the chain belt and are arranged at intervals along the width direction of the chain belt, a clamping groove is defined between any two adjacent convex fasteners, the second clip chain is provided with at least one convex fastener which extends along the length direction of the chain belt, and the convex fasteners and the clamping grooves of the first clip chain and the second clip chain can be mutually buckled and connected.

4. The waterproof slide fastener according to claim 1, wherein: the cover layer has a hydrophobic surface.

5. The waterproof slide fastener according to claim 1, wherein: the first clip chain is provided with a plurality of convex fasteners extending along the length direction of the chain belt and arranged along the height direction of the chain belt at intervals, a clamping groove is defined between any two adjacent convex fasteners, the second clip chain is provided with at least one convex fastener extending along the length direction of the chain belt, and the convex fasteners and the clamping groove of the first clip chain and the second clip chain can be mutually buckled and connected.

6. A waterproof slide fastener, characterized in that it comprises:

two elongated chain belts arranged adjacent to each other, each chain belt including an upper end surface adjacent to the other chain belt;

the chain clamping unit comprises a first clamping chain and a second clamping chain which are respectively arranged on the upper end surface, and the first clamping chain and the second clamping chain can be correspondingly embedded with each other; and

and a slider disposed on one side of the fastener tapes adjacent to each other and capable of moving back and forth along a longitudinal direction of the fastener tapes to move the fastener tapes between an open position and a closed position, wherein when the fastener tapes are in the closed position, the first clip chain and the second clip chain can be engaged with each other by being engaged with each other by a snap fit, thereby engaging the fastener tapes with each other.

7. The waterproof zipper according to claim 6, wherein: the side walls of the pull head, which are contacted with the first clamping chain and the second clamping chain, are respectively provided with a clamping hook piece, the first clamping chain and the second clamping chain are respectively provided with at least one groove for the clamping hook piece to be buckled, the clamping hook piece can be arranged in the groove in a sliding mode along the length direction of the chain belt, and the first clamping chain and the second clamping chain are correspondingly embedded with each other.

8. The waterproof zipper according to claim 6, wherein: the first clip chain and the second clip chain are respectively vertical to the upper end face, and are respectively provided with a plurality of convex fasteners which extend along the length direction of the chain belt and are arranged at intervals along the width direction of the chain belt, and a clamping groove is defined between any two adjacent convex fasteners.

9. The waterproof zipper according to claim 6, wherein: when the chain belt is in the closed position, the two upper end surfaces are overlapped up and down, the first clamping chain and the second clamping chain are parallel to the upper end surfaces respectively, and when the chain belt is in the closed position, the first clamping chain and the second clamping chain are relatively embedded and connected with each other.

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