CN218898620U

CN218898620U - Fastener element and zipper

Info

Publication number: CN218898620U
Application number: CN202222673866.1U
Authority: CN
Inventors: 陈秘思
Original assignee: Huafusen Trappings Shenzhen Co ltd
Current assignee: Huafusen Trappings Shenzhen Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-04-25
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to a zipper tooth and a zipper, which are applied to the zipper. The engagement head is connected with the tooth body and extends along the tooth body towards the first direction; the engagement groove is formed at the connection part of the engagement head and the tooth body, and extends along the second direction; the boss extends from one side of the tooth body towards the second direction, and the boss is provided with a first inclined surface at one end towards the engagement head; wherein the first direction and the second direction are perpendicular to each other. Because of the arrangement of the boss, the strength of the connection part between the tooth body and the meshing head can be enhanced, so that the meshing head is not easy to break, and the defect that the zipper is easy to damage in the use process is overcome. In addition, the first inclined surface is further arranged, so that the first inclined surface of one chain element is abutted with the first inclined surface of the other adjacent chain element, the interval between the engaged heads of the two adjacent engaged chain elements is ensured, and abrasion between the engaged heads of the two adjacent chain elements can be reduced.

Description

Fastener element and zipper

Technical Field

The utility model relates to the technical field of zippers, in particular to a zipper tooth and a zipper.

Background

With the development of human socioeconomic and scientific technology, the teeth are developed from original metal materials to nonmetallic materials, single-variety single functions to multi-variety multi-specification comprehensive functions, and the teeth are exquisite and beautiful, colorful and have long evolution process from simple structure to the present. The tooth has the advantages of daily and monthly performances, structure and materials, wide application, penetration into various fields of military, medical treatment, civil use and the like, and the tooth plays a larger role in the life of people and shows the importance and vitality of the tooth.

In the prior art, when the zipper is used, the connecting part between the tooth body and the meshing head is easy to break due to the meshing groove, and the zipper teeth are fragile, so that the zipper cannot be used as long as one of the zipper teeth is damaged.

Disclosure of Invention

A first object of the present utility model is to provide a fastener element. The tooth body and the meshing head are connected with each other in a connecting mode.

In order to solve the above technical problems, a fastener element is provided, which is applied to a slide fastener, and includes:

a tooth body;

the engagement head is connected with the tooth body and extends towards a first direction along the tooth body;

an engagement groove formed at a portion where the engagement head is connected to the dental body, the engagement groove extending in a second direction;

a boss extending from the tooth body side toward the second direction, the boss having a first inclined surface at one end toward the engagement head;

wherein the first direction and the second direction are perpendicular to each other.

Further, the cross-sectional area of the boss at the first inclined surface portion gradually decreases in the direction of the tooth body toward the engagement head.

Further, two first inclined surfaces are arranged, and the two first inclined surfaces are respectively arranged on two opposite sides of the boss.

Further, the included angle between the two first inclined surfaces is in the range of 30 degrees to 60 degrees.

Further, one end of the boss, which is away from the dental body, is provided with a second inclined surface.

Further, the cross-sectional area of the boss at the second inclined surface portion gradually decreases in the direction of the tooth body toward the boss.

Further, two engagement grooves are formed, and the two engagement grooves are respectively formed in two opposite sides of the tooth body.

Further, the cross section of the engaging head along the first direction is elliptical, and the area of the cross section gradually decreases in the direction of the tooth body toward the engaging head.

A second object of the present utility model is to provide a slide fastener.

A zipper, comprising:

a plurality of the above-described fastener elements;

the zipper comprises two chain belts, a plurality of zipper teeth, a plurality of connecting rods and a plurality of connecting rods, wherein the plurality of zipper teeth are sequentially arranged at one side edge of the chain belts at intervals, the zipper teeth on the two chain belts are arranged in opposite directions, so that the zipper teeth on the two chain belts are meshed with each other to form the zipper, one of the two zipper teeth on different chain belts is clamped with the other of the two zipper teeth through the engagement heads of the other zipper teeth, the two oppositely arranged zipper teeth are meshed at intervals, and the first inclined surface of one zipper tooth is abutted with the first inclined surface of the other adjacent zipper tooth.

The implementation of the embodiment of the utility model has the following beneficial effects:

the zipper teeth and the zipper in the embodiment have the advantages that due to the arrangement of the lug boss, the lug boss extends from one side of the tooth body towards the second direction, so that the strength of the connecting part between the tooth body and the meshing head can be enhanced, the meshing head is not easy to break, and the defect that the zipper is easy to damage in the use process is overcome. In addition, the first inclined surface is further arranged, so that the first inclined surface of one chain element is abutted with the first inclined surface of the other adjacent chain element, the interval between the engaged heads of the two adjacent engaged chain elements is ensured, and abrasion between the engaged heads of the two adjacent chain elements can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a structure of a fastener element according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing the structure of a fastener element according to another embodiment of the present utility model;

FIG. 3 is a perspective view of a fastener element according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a zipper according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a zipper according to an embodiment of the present utility model from another perspective;

wherein: 100. a fastener element; 110. a tooth body; 120. an engagement head; 130. a meshing groove; 140. a boss; 141. a first inclined surface; 142. a second inclined surface;

200. a zipper; 210. a chain belt.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, in order to solve the above-mentioned technical problems, a fastener element 100 is provided, which is applied to a slide fastener 200 and includes a tooth body 110, an engagement head 120, an engagement groove 130 and a boss 140. The engagement head 120 is connected to the dental body 110, and the engagement head 120 extends along the dental body 110 toward the first direction; the engagement groove 130 is formed at a portion where the engagement head 120 is connected to the dental floss 110, the engagement groove 130 extending in the second direction; the boss 140 extends from the side of the socket 110 toward the second direction, and the boss 140 has a first inclined surface 141 at one end toward the engagement head 120; wherein the first direction and the second direction are perpendicular to each other. Illustratively, in the fastener element 100 and the zipper 200 of the present embodiment, due to the arrangement of the boss 140, and the boss 140 extends from one side of the tooth body 110 toward the second direction, the strength of the connection between the tooth body 110 and the engaging head 120 can be enhanced, so that the engaging head 120 is not easy to break, and the defect that the zipper 200 is easy to be damaged in the use process is overcome. In addition, the first inclined surface 141 is further provided such that the first inclined surface 141 of one element 100 abuts against the first inclined surface 141 of another adjacent element 100, thereby ensuring the spacing between the engaging heads 120 of the adjacent two elements 100 that are engaged with each other, and further reducing the wear between the engaging heads 120 of the adjacent two elements 100. The material of the element 100 may be nylon material, resin material, or metal material.

Referring to fig. 1, 2 and 3, as an embodiment, the cross-sectional area of the boss 140 at the portion of the first inclined surface 141 gradually decreases in the direction of the tooth body 110 toward the engagement head 120. Illustratively, the first inclined surface 141 is gradually drawn toward the center of the engaging head 120 in the direction of the tooth body 110 toward the engaging head 120.

Referring to fig. 1, 2 and 3, as an embodiment, two first inclined surfaces 141 are provided, and two first inclined surfaces 141 are respectively disposed on opposite sides of the boss 140. When the fastener element 100 is used in the slide fastener 200, it is necessary that the two fastener elements 100 arranged opposite to each other are engaged with each other, that is, the engaging head 120 of one fastener element 100 is engaged with the engaging groove 130 of the other fastener element 100, and at this time, the first inclined surface 141 of one fastener element 100 abuts against the first inclined surface 141 of the other fastener element 100, so that the spacing between the engaging heads 120 of the adjacent two fastener elements 100 engaged with each other can be ensured, and further the abrasion between the engaging heads 120 of the adjacent two fastener elements 100 can be reduced. It should be noted that, the two first inclined surfaces 141 are disposed on the side close to the engaging head 120, that is, in the direction of the tooth body 110 toward the engaging head 120, the boss 140 of the portion provided with the first inclined surface 141 has a trapezoid shape, and the end with the larger width is close to the tooth body 110, and the end with the smaller width is close to the engaging head 120.

Referring to fig. 1, 2 and 3, as an embodiment, the included angle between the two first inclined surfaces 141 is in the range of 30 ° to 60 °. The included angle of the two first inclined surfaces 141 is, for example, greater than or equal to 30 ° and less than or equal to 60 °, and in this embodiment, the included angle of the two first inclined surfaces 141 is 45 °, which is, of course, not limited to this, and may be, for example, 40 ° or 50 ° in an equal angle as an alternative.

Referring to fig. 1, 2 and 3, as an embodiment, an end of the boss 140 facing away from the dental body 110 has a second inclined surface 142. Illustratively, the second inclined surface 142 is disposed at an end of the boss 140 away from the dental floss 110, where the second inclined surface 142 is understood to be rounded at the edge of the boss 140, that is, the second inclined surface 142 is arcuate. The curvature of the second inclined surface 142 is uneven, and the curvature is smallest in the middle portion of the boss 140 and gradually increases toward both sides.

Referring to fig. 1, 2 and 3, as an embodiment, the cross-sectional area of the portion of the boss 140 located at the second inclined surface 142 gradually decreases in the direction of the tooth body 110 toward the boss 140. Illustratively, the second inclined surface 142 is gradually drawn toward the center of the engaging head 120 in the direction of the tooth body 110 toward the boss 140.

Referring to fig. 1, 2 and 3, as an embodiment, two engaging grooves 130 are provided, and two engaging grooves 130 are respectively provided on opposite sides of the dental body 110. In particular applications, since the engaging grooves 130 are provided on both sides of the body 110, in the slide fastener 200, the elements 100 on both sides are engaged with each other, that is, the engaging head 120 of one element 100 is engaged with the engaging groove 130 on one side of the body 110 and the engaging head 120 of the other element 100 is engaged with the engaging groove 130 on the other side of the body 110 during use of the slide fastener 200. Thereby achieving the inter-engagement of the fastener elements 100. In the present embodiment, the engagement groove 130 has an arc shape, and the section of the arc shape is gradually reduced from the center of the engagement groove 130 to both sides. In a specific application, in order to prevent fatigue cracks from occurring on the engagement groove 130, the cross section of the engagement groove 130 is gradually reduced from the center of the engagement groove 130 to both sides, and the contact surface of the engagement groove 130 is smooth, which is beneficial to avoiding the problem of friction loss of the engagement head 120 due to the uneven surface of the engagement groove 130, thereby avoiding affecting the convenience of engagement of the fastener elements 100 of the slide fastener 200.

Referring to fig. 1, 2 and 3, as an embodiment, the cross section of the engaging head 120 along the first direction is elliptical, and the area of the cross section gradually decreases in the direction of the tooth body 110 toward the engaging head 120. In particular applications, in order to prevent the kneading head from being separated from the tooth 110 by breaking, the cross section of the engaging head 120 along the first direction is elliptical, which is not only beneficial to improving the connection strength between the engaging head 120 and the tooth 110, but also helps to make the entry or exit of the elliptical contact surface and the engaging groove 130 smoother, thereby avoiding friction loss between the engaging head 120 and the engaging groove 130.

Referring to fig. 4 and 5, a second object of the present utility model is to provide a zipper 200. The slide fastener 200 is a connecting member for combining or separating articles by means of the continuously arranged fastener elements 100, and is now used in a large number of clothing, bags, tents, etc.

Referring to fig. 4 and 5, a slide fastener 200 includes a plurality of fastener elements 100 and two fastener stringers as described above. The plurality of teeth 100 are sequentially arranged at intervals on one side edge of the chain belt, and the teeth 100 on the two chain belts are arranged in opposite directions, so that the teeth 100 on the two chain belts are meshed with each other to form the zipper 200, wherein in the two teeth 100 on different chain belts, the engagement head 120 of one tooth 100 is clamped with the engagement groove 130 of the other tooth 100, so that the two teeth 100 which are oppositely arranged are engaged at intervals, and the first inclined surface 141 of one tooth 100 is abutted with the first inclined surface 141 of the other adjacent tooth 100. In a specific application, in the process of mutual engagement of the teeth 100 on the two chain belts, the engagement heads 120 of the teeth 100 are clamped in the engagement grooves 130 of the other teeth 100, so that the two teeth 100 which are oppositely arranged are engaged at intervals, and notably, the interval engagement between the teeth 100 can effectively improve the engagement resistance of the teeth 100, so that the teeth 100 are convenient to engage, the abrasion of the teeth 100 engagement is reduced, meanwhile, the thickness of the tooth body 110 is larger than that of the engagement heads 120120, the interval between two adjacent teeth 100 in the process of mutual engagement of the teeth 100 is further ensured, meanwhile, the strength of the teeth 100 is enhanced by the thickness enhancement of the tooth body 110, so that the teeth 100 are not easy to damage in the use process, and the service life of the zipper 200 is prolonged. The material of the element 100 may be nylon material, resin material, or metal material. In addition, when the elements 100 on the two links are engaged, the first inclined surface 141 of one element 100 abuts against the first inclined surface 141 of the other adjacent element 100, so that the space between the engaging heads 120 of the adjacent two elements 100 engaged with each other is ensured, and further, the abrasion between the engaging heads 120 of the adjacent two elements 100 can be reduced.

Referring to fig. 4 and 5, as an embodiment, when two adjacent fastener elements 100 are engaged, the distance between the edge of the engagement head 120 and the edge of the engagement groove 130 is 0.15mm to 0.2mm. In particular, in order to make the interval engagement between the fastener elements 100 smooth and avoid the occurrence of the seizing phenomenon in engagement, the distance between the edge of the engagement head 120 and the edge of the engagement groove 130130 is 0.15mm to 0.2mm, preferably, the distance between the edge of the engagement head 120 and the edge of the engagement groove 130 is 0.18mm.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A fastener element for use in a slide fastener, comprising:

a tooth body;

2. The fastener element according to claim 1, wherein a cross-sectional area of the boss at the first inclined surface portion gradually decreases in a direction of the tooth body toward the engagement head.

3. The fastener element according to claim 1, wherein two of the first inclined surfaces are provided, and the two first inclined surfaces are provided on opposite sides of the boss, respectively.

4. A fastener element according to claim 3, wherein the angle between the two first inclined surfaces is in the range of 30 ° to 60 °.

5. The fastener element of claim 1, wherein an end of the boss facing away from the tooth body has a second inclined surface.

6. The fastener element according to claim 5, wherein a cross-sectional area of the boss at the second inclined surface portion gradually decreases in a direction of the tooth body toward the boss.

7. The fastener element according to claim 1, wherein two of said engagement grooves are provided, and two of said engagement grooves are provided on opposite sides of said tooth body, respectively.

8. The fastener element according to claim 1, wherein a cross section of the engagement head in the first direction is elliptical, and an area of the cross section gradually decreases in a direction of the tooth body toward the engagement head.

9. A slide fastener, comprising:

a plurality of fastener elements according to any one of claims 1 to 8;