CN211608390U

CN211608390U - Waterproof zipper

Info

Publication number: CN211608390U
Application number: CN201922487356.3U
Authority: CN
Inventors: 李安庆
Original assignee: Zhejiang Weixing Industrial Development Co Ltd
Current assignee: Zhejiang Weixing Industrial Development Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-02
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a waterproof zipper, including the chain belt with fix the chain tooth on the chain belt side, the chain tooth includes the tooth head, the chain tooth middle part has the well face of parallel chain belt, the leading flank of tooth head is followed the orientation of face in the orientation and is extended forward according to first predetermined inclination, in order to form the tooth head bulge. After the teeth on two sides of the zipper are engaged, a certain gap is often formed between the tooth head and the chain belt on the other side, and liquid usually passes through the gap to cause water leakage of the zipper. This application forms the tooth head bulge at the zip fastener leading flank, and the tooth head bulge extends to the chain belt of opposite side, and tooth head bulge and the laminating of opposite side chain belt avoid liquid to pass through behind the chain tooth meshing, and then has realized water-proof effects. Meanwhile, the zipper teeth do not need to be mutually extruded, so that the waterproof effect is stable and the zipper teeth are easy to pull.

Description

Waterproof zipper

Technical Field

The utility model relates to a dress accessory technical field, in particular to waterproof zip fastener.

Background

Slide fasteners are widely used in products such as clothes, daily sundries, and industrial goods, and function to open and close the products. Some bags and clothes need to have a certain waterproof function, so that waterproof zippers are often adopted.

Professional waterproof zipper teeth on the market today prevent water from entering by waterproofing agents and squeezing the zipper teeth. The mutual extrusion of the zipper teeth of the zipper leads the zipper to be difficult to close, and meanwhile, the stress borne by the zipper teeth is large, so that the zipper teeth are easy to damage, and the service life and the waterproof effect of the waterproof zipper are influenced.

Therefore, how to provide a waterproof zipper with stable waterproof effect and easy pull-close is a technical problem which needs to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a waterproof zipper, the leading flank of its tooth has the tooth head bulge, and the tooth head bulge can reduce the clearance on the zip fastener, makes the chain tooth need not mutual extrusion and can play the water-proof effects, makes waterproof zipper water-proof effects stable and draw easily to close.

In order to achieve the above object, the present invention provides a waterproof zipper, including the chain belt with fix the chain tooth on the chain belt side, the chain tooth includes the tooth head, the chain tooth middle part has the parallel the well face of chain belt, the leading flank of tooth head is along the orientation the direction of well face is according to first predetermined inclination extend forward, in order to form the tooth head bulge.

Preferably, the side edge of the chain belt connected with the teeth is provided with a band rib, and the band rib is attached to the tooth head protruding part to prevent liquid from passing through.

Preferably, the fastener element further includes an engaging notch located behind the element head and perpendicular to two side surfaces of the fastener tape, the engaging notch extending toward the inner side of the fastener element and being engaged with the element head of the fastener element on the other side, and an engaging portion is formed between the engaging notch and the engaging notch.

Preferably, each of the left and right sides of the head has a head recess formed to extend to an inner side of the element at a second predetermined slope in a direction toward the middle plane, and each of the left and right sides of the engaging portion has an engaging protrusion formed to extend to an outer side of the element at a second predetermined slope in a direction toward the middle plane to be engaged with the head recess.

Preferably, each of the left and right sides of the tooth head has a tooth head protrusion extending to the outside of the element at a second predetermined slope in the direction toward the middle plane, and each of the left and right sides of the engagement portion has an engagement recess extending to the inside of the element at a second predetermined slope in the direction toward the middle plane to be engaged with the tooth head protrusion.

Preferably, the tooth head left side and the right side alternative have along the orientation the direction of well face is according to the second preset inclination to the tooth head concave part that the inboard extension of chain tooth formed, the opposite side has along the orientation the direction of well face is according to the second preset inclination to the tooth head convex part that the outside extension of chain tooth formed, meshing portion with tooth head concave part complex side has along the orientation the direction of well face is according to the second preset inclination to the meshing convex part that the outside extension of chain tooth formed, another side of meshing portion has along the orientation the direction of well face is according to the second preset inclination to the meshing concave part that the inboard extension of chain tooth formed.

Preferably, the periphery of the zipper teeth is provided with a waterproof groove which is positioned in a plane parallel to the zipper belt and extends along the circumferential direction and a waterproof bulge matched with the waterproof groove.

Preferably, the fastener element further comprises a fastener tail connected with the chain belt, a fastener tail concave portion formed by extending towards the inner side of the fastener element along the direction towards the middle plane according to a third preset inclination is formed in one of two sides of the fastener tail, and a fastener tail convex portion formed by extending towards the outer side of the fastener element along the direction towards the middle plane according to the third preset inclination is formed in the other side face of the fastener tail.

The utility model provides a waterproof zipper, including the chain belt with fix the chain tooth on the chain belt side, the chain tooth includes the tooth head, the chain tooth middle part has the well face of parallel chain belt, the leading flank of tooth head is followed the orientation of face in the orientation and is extended forward according to first predetermined inclination, in order to form the tooth head bulge.

After the teeth on two sides of the zipper are engaged, a certain gap is often formed between the tooth head and the chain belt on the other side, and liquid usually passes through the gap to cause water leakage of the zipper. This application forms the tooth head bulge at the zip fastener leading flank, and the tooth head bulge extends to the chain belt of opposite side, and tooth head bulge and the laminating of opposite side chain belt avoid liquid to pass through behind the chain tooth meshing, and then has realized water-proof effects. Meanwhile, the zipper teeth do not need to be mutually extruded, so that the waterproof effect is stable and the zipper teeth are easy to pull.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of the waterproof zipper of the present invention;

FIG. 2 is a schematic view of a side of the tooth of FIG. 1;

fig. 3 is a schematic view of the structure of the other side of the tooth in fig. 1.

Wherein the reference numerals in fig. 1 to 3 are:

the fastener element 1, the fastener tape 2, the band 3, the element head 11, the engaging portion 12, the element tail 13, the element head protruding portion 111, the element head protruding portion 112, the element head recessed portion 113, the engaging protruding portion 121, the engaging recessed portion 122, the element tail protruding portion 131, and the element tail recessed portion 132.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a waterproof zipper according to the present invention; FIG. 2 is a schematic view of a side of the tooth of FIG. 1; fig. 3 is a schematic view of the structure of the other side of the tooth in fig. 1.

The utility model provides a waterproof zipper, including chain belt 2 and the chain tooth 1 of fixing on chain belt 2 side. Specifically, the two chain belts 2 are provided, the chain teeth 1 are fixed on opposite side edges of the two chain belts, the side edges are called mounting edges, and after the zipper head is pulled to be closed, the chain teeth 1 on the two chain belts 2 are engaged with each other, so that the two chain belts 2 are sealed. The tooth element 1 comprises a tooth head 11, an engaging part 12 and a tooth tail 13, wherein the tooth tail 13 is fixedly connected with the mounting edge, and the engaging part 12 and the tooth head 11 extend towards the direction far away from the mounting edge. Meshing portion 12 is located between tooth head 11 and tooth tail 13, meshing portion 12 both sides are the meshing breach that extends to chain tooth 1 inboard along the direction on parallel installation limit, meshing portion 12 both sides form the meshing breach on the one hand, on the other hand both sides of tooth head 11 form for meshing portion 12 along the direction on parallel installation limit to chain tooth 1 inboard extension arch, at the in-process of chain tooth 1 meshing, the protruding meshing breach meshing on two chain teeth 1 rather than the relative one side of tooth head 11 both sides, realize the pulling of zip fastener and close.

After the zipper is closed, the distance between the tooth head 11 and the other side is far, and liquid can pass through the gap between the tooth head and the other side, so that the waterproof effect is influenced. The middle part of the chain tooth 1 in the direction perpendicular to the chain belt 2 is selected to be parallel to the plane of the chain belt 2 to serve as a middle plane, and the middle plane is generally coincided with the plane where the chain belt 2 is located. The side of the tooth head 11 facing away from the mounting edge is a front side, and the front side extends forwards along the direction facing the middle plane with a first preset slope, so that a tooth head convex part 111 extending forwards is formed on the front side. The thread protrusion 111 can reduce the distance between the thread 11 and the other side fastener tape 2, thereby improving the waterproof effect of the waterproof slide fastener. Accordingly, the side of the engagement indentation facing away from the mounting edge is engaged with the dental-head protrusion 111, and the side has a groove structure engaged with the dental-head protrusion 111. It should be noted that the first preset inclination may be a specific value, the dental head protrusion 111 forms a wedge-shaped structure, and the user may also establish a relationship between the protrusion length of the dental head 11 and the first preset value, so that the dental head protrusion 111 forms an arc-shaped surface.

Further, a band rib 3 is arranged on the mounting edge of the chain belt 2, and the tooth tail 13 is fixedly connected with the band rib 3. The band 3 can be made of rubber and other materials, after the waterproof zipper is closed, the band 3 is attached to the tooth head protruding part 111, certain pressure can be generated between the band and the tooth head protruding part, and then liquid is prevented from passing through the band.

In this embodiment, tooth head 11 has tooth head bulge 111 that extends forward, and tooth head bulge 111 can reduce the gap between tooth head 11 and the other side chain belt 2 after waterproof zipper draws to close, and then prevents that liquid from passing through, and chain tooth 1 on two related need not mutual extrusion, makes things convenient for waterproof zipper to draw to close, and reducing wear has guaranteed that water-proof effects is stable. On the other hand, the tooth head convex part 111 is matched with the groove structure, so that the stroke of liquid passing through the waterproof zipper can be increased, and the waterproof effect is further improved.

The projections on both sides of the element 11 are engaged with the engagement notches to realize the zipper closing, but a gap is also formed between the projections and the engagement portion 12 to allow liquid to pass through. Therefore, the waterproof effect of the waterproof slide fastener can be improved by matching the convex part and the concave part with reference to the tooth head protrusion part 111 and the groove structure between the protrusion and the engaging part 12. Specifically, the convex part can extend to the outer side of the fastener element 1 along the direction towards the middle surface according to the second preset inclination, the concave part can extend to the inner side of the fastener element 1 along the direction towards the middle surface according to the second preset inclination, and the convex part and the concave part are matched to reduce the gap and prolong the liquid stroke, so that the waterproof effect is improved. Meanwhile, the slopes of the convex part and the concave part are the same, and the convex part and the concave part cannot be extruded in the pulling-in process, so that the abrasion of the convex part and the concave part is reduced, the service life of the waterproof zipper is prolonged, and the stability of the waterproof effect is ensured.

Specifically, in one embodiment of the present application, the left and right sides of the tooth head 11 each have a head recess 113 formed to extend toward the inside of the element 1 at a second predetermined slope in the direction toward the middle plane, and the left and right sides of the engaging portion 12 each have an engaging protrusion 121 formed to extend toward the outside of the element 1 at a second predetermined slope in the direction toward the middle plane. The engagement protrusion 121 is engaged with the tooth head recess 113 to provide a waterproof function. In another embodiment of the present invention, the head protrusions 112 are formed on the left and right sides of the head 11, and the engaging recesses 122 are formed on the left and right sides of the engaging portion 12, thereby achieving the waterproof effect.

Further, the present application also provides an embodiment, as shown in fig. 2 and 3, the left and right sides of the dental head 11 are provided with a dental head concave part 113, and the other side is provided with a dental head convex part 112. The engaging portion 12 is also provided at both sides thereof with engaging projections 121 and engaging recesses 122, respectively, to be fitted with the dental head recesses 113 and the dental head projections 112. In addition, a waterproof slide fastener is generally provided with a lower stop for limiting the movement range of the slider and preventing the slider from falling off, and in order to make the slide fastener easier to close, the convex surface of the element head 11 is generally provided on the side of the element head 11 away from the lower stop, the concave surface of the element head 11 is provided on the side close to the lower stop, and accordingly, the engaging convex portion 121 is also provided on the side of the engaging portion 12 away from the lower stop, and the engaging concave portion 122 is provided on the side of the engaging portion 12 close to the lower stop.

For the stroke of further increase liquid, improve water-proof effects, 1 periphery of chain tooth be equipped with the capillary groove and with capillary groove matched with waterproof arch, capillary groove and waterproof arch all are located parallel chain belt 2's plane, and extend along the periphery of chain tooth 1, waterproof zip fastener draws the back of closing, in waterproof arch embedding capillary groove, the gap between chain tooth 1 is passed to the direction that liquid need follow perpendicular chain belt 2, capillary groove and waterproof arch can make liquid constantly flow along the curve, and then increase the stroke of liquid.

In addition, in order to reduce the gap between the tooth tails 13, the tooth tail 13 is provided with a tooth tail concave part 132 formed by extending towards the inner side of the tooth 1 along the direction towards the middle plane according to a third preset gradient and a tooth tail convex part 131 formed by extending towards the outer side of the tooth 1 along the direction towards the middle plane according to the third preset gradient, the tooth tail convex part 131 and the tooth tail concave part 132 are respectively arranged on two side surfaces of the vertical mounting edge of the tooth tail 13, and the tooth tail convex part 131 and the tooth tail concave part 132 are matched to ensure that liquid needs to flow along the broken line to pass through the tooth tail 13, so that the liquid stroke is increased. Of course, the setting method of the second preset inclination and the third preset inclination may refer to the first preset inclination, and will not be described herein again.

In this embodiment, the two sides of the teeth 11 and the two sides of the engaging portion 12 are matched with each other through the convex portion and the concave portion, so that the formation of liquid passing through the zipper is increased on the basis of not influencing the closing difficulty, the flowing resistance of the liquid is further increased, and the waterproof effect of the waterproof zipper is improved.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above is a detailed description of the waterproof zipper provided by the utility model. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a waterproof zipper, its characterized in that includes chain belt (2) and fixes chain tooth (1) on chain belt (2) side, chain tooth (1) is including tooth head (11), chain tooth (1) middle part has the parallel the well face of chain belt (2), the leading flank of tooth head (11) is along the orientation the direction of well face is according to first preset inclination extend forward, in order to form tooth head bulge (111).

2. The waterproof zipper according to claim 1, wherein the side of the zipper tape (2) connected with the zipper teeth (1) is provided with a band (3), and the band (3) is attached to the tooth head protrusion (111) to prevent liquid from passing through.

3. The waterproof slide fastener according to claim 1, wherein said fastener element (1) further comprises an engaging notch extending inwardly of said fastener element (1) on both side surfaces perpendicular to said fastener tape (2) behind said element head (11) to be engaged with said element head (11) of said fastener element (1) on the other side, and an engaging portion (12) is formed between both said engaging notches.

4. The waterproof slide fastener according to claim 3, wherein each of left and right sides of said element head (11) has an element head recess (113) formed to extend to an inner side of said element (1) at a second predetermined slope in a direction toward said middle plane, and each of left and right sides of said engaging section (12) has an engaging protrusion (121) formed to extend to an outer side of said element (1) at a second predetermined slope in a direction toward said middle plane to be engaged with said element head recess (113).

5. The waterproof slide fastener according to claim 3, wherein each of left and right sides of said element head (11) has an element head protrusion (112) formed to extend to an outer side of said element (1) at a second predetermined slope in a direction toward said middle plane, and each of left and right sides of said engaging section (12) has an engaging recess (122) formed to extend to an inner side of said element (1) at a second predetermined slope in a direction toward said middle plane to mate with said element head protrusion (112).

6. The waterproof slide fastener according to claim 3, wherein one of the left and right sides of the element head (11) has an element head recess (113) formed by extending to the inside of the element (1) at a second predetermined slope in the direction toward the central plane, the other side has an element head protrusion (112) formed by extending to the outside of the element (1) at a second predetermined slope in the direction toward the central plane, the side of the engaging part (12) which is engaged with the element head recess (113) has an engaging protrusion (121) formed by extending to the outside of the element (1) at a second predetermined slope in the direction toward the central plane, and the side of the engaging part (12) has an engaging recess (122) formed by extending to the inside of the element (1) at a second other predetermined slope in the direction toward the central plane.

7. The waterproof slide fastener according to any one of claims 3 to 6, characterized in that the outer periphery of the fastener element (1) is provided with a waterproof groove extending in the circumferential direction in a plane parallel to the fastener tape (2) and a waterproof projection engaged with the waterproof groove.

8. The waterproof slide fastener according to any one of claims 1 to 6, wherein the fastener element (1) further comprises a tail (13) connected to the fastener tape (2), wherein one side of the tail (13) has a tail recess (132) formed by extending to the inside of the fastener element (1) at a third predetermined slope in the direction toward the central plane, and the other side has a tail protrusion (131) formed by extending to the outside of the fastener element (1) at a third predetermined slope in the direction toward the central plane.