WO2022099641A1

WO2022099641A1 - Triangle teeth zipper tooth and zipper

Info

Publication number: WO2022099641A1
Application number: PCT/CN2020/128791
Authority: WO
Inventors: 吕濠; 张祐诚
Original assignee: 浙江华圣达拉链科技有限公司
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2022-05-19

Abstract

A triangle teeth zipper tooth (100) and a zipper. The triangle teeth zipper tooth has a meshing end (101) and a fixing end (102), and comprises an upper tooth structure (10) and a lower tooth structure (20) fixedly provided on the upper tooth structure (10). The upper tooth structure (10) comprises a front end portion (11) having a triangular structure and a rear end portion (12) fixedly provided on the front end portion (11); a protruding structure (13) is provided on the end side of the front end portion (11) and the rear end portion (12) away from the lower tooth structure (20). The lower tooth structure (20) is provided with a connecting portion (21) and a tail end portion (22) fixedly provided on the connecting portion (21); the end of the connecting portion (21) away from the tail end portion (22) is provided with a protrusion portion (211), and a recessed portion (212) adjacent to the protrusion portion (211) is further provided on the connecting portion (21). The problem that a zipper is inconvenient to use due to the fact that the conventional zipper teeth generate large friction force on a zipper puller.

Description

Triangle teeth and zippers

technical field

The present application relates to the technical field of daily necessities, in particular to a triangular fastener element and a zipper.

Background technique

With the development of human society, economy and science and technology, the chain teeth have developed from metal materials to non-metal materials at first, and single-type and single-function to multi-type and multi-specification comprehensive functions. evolution process. Its performance, structure, and materials are changing with each passing day, and it is widely used. It has penetrated into various fields such as military, medical, and civilian use.

The traditional fastener elements generally have a flat structure on both sides. When the slider is installed for use, the internal contact area between the fastener element and the slider is large, so the friction force the slider is subjected to when sliding is large. The above-mentioned traditional fastener elements are laborious to pull the slider, which is inconvenient to use.

technical problem

One of the purposes of the embodiments of the present application is to provide a triangular fastener element and a zipper, which aims to solve the problem that the conventional fastener element is inconvenient to use due to the large friction force on the slider due to the flat sides of the conventional fastener element.

technical solutions

In order to solve the above-mentioned technical problems, the technical solutions adopted in the embodiments of the present application are:

In a first aspect, a triangular fastener element is provided for engaging with each other to form a zipper structure, the triangular fastener element has an engaging end and a fixed end, including an upper thread structure and a lower thread structure fixed on the upper thread structure, the upper thread The structure includes a front end part with a triangular structure and a rear end part fixed on the front end part. The front end part and the rear end part are provided with a protruding structure on one end side away from the lower tooth structure, and the protruding structure is along the triangle element. The cross-section in the arrangement direction is a conical cross-section; the lower tooth structure has a connecting part and a tail end fixed on the connecting part; The protruding portions are adjacent, the coupling portion corresponds to the front end portion and forms an engaging end, and the rear end portion corresponds to the rear end portion and forms a fixed end.

In one embodiment, the raised structures completely cover the front and rear ends.

In one embodiment, the raised structure completely covers the front end portion and extends continuously and partially covers the rear end portion.

In one embodiment, the raised structure has a side end face parallel to the end face of the rear end portion remote from the front end portion.

In one embodiment, the raised structure includes a first convex surface and a second convex surface intersecting the first convex surface.

In one embodiment, the first convex surface and the second convex surface intersect and form an edge on a side away from the front end.

In one embodiment, the length of the front end portion increases from the end away from the coupling portion to the end close to the coupling portion, and the length of the coupling portion increases from the end away from the front end portion to the direction close to the front end portion.

In one embodiment, an upper groove is formed on the rear end portion, a lower groove is formed on the rear end portion, and the upper groove and the lower groove are combined to form a mounting groove for fixing on the zipper mandrel.

In one embodiment, the coupling portion is integrally formed with the front end portion.

A second aspect provides a slide fastener having the above-mentioned triangular fastener elements.

beneficial effect

The beneficial effect of the triangular fastener element provided by the embodiment of the present application is that the triangular fastener element includes two parts, an upper element structure and a lower element structure, and the upper element structure includes a front end portion and a rear end portion in a triangular structure. The structure includes a coupling part with a convex part and a concave part and a tail end part. By designing the upper teeth structure and the lower teeth structure as two parts with different shapes, the zipper has a better tactile feeling under the condition of satisfying the use conditions of the zipper. It can meet the requirements on the structure and appearance of the elements of the zipper under different occasions; at the same time, a convex structure is provided on one end side of the front end and the rear end, and the convex structure is arranged in the direction of the triangular element. The section is a tapered section. When the zipper is used, the slider slides on the triangular elements of the zipper, and the contact area between the convex structure and the inner side of the slider is small, that is, the frictional force on the slider is relatively small when sliding. It is small, which makes it more convenient and labor-saving for the user to use the zipper to pull the slider.

The beneficial effect of the zipper provided by the embodiment of the present application is that on the basis of the above-mentioned triangular fastener elements, the zipper is more labor-saving and convenient to use.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments or exemplary technologies. Obviously, the drawings in the following description are only for the present application. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic three-dimensional structure diagram of a triangular fastener element provided in an embodiment of the present application;

FIG. 2 is a schematic front view structure of a triangular fastener element provided in an embodiment of the present application;

3 is a schematic top-view structure diagram of a triangular fastener element provided in an embodiment of the present application;

4 is a schematic view of the bottom structure of the triangular fastener element provided by the embodiment of the present application;

FIG. 5 is a schematic three-dimensional structure diagram of another triangular fastener element provided in the embodiment of the application;

FIG. 6 is a schematic front view structure of another triangular fastener element provided in the embodiment of the present application;

FIG. 7 is a schematic top-view structural diagram of another triangular fastener element provided in an embodiment of the present application.

Among them, each reference sign in the figure:

Triangle fastener element 100, engaging end 101, fixed end 102, upper tooth structure 10, front end 11, rear end 12, upper groove 121, raised structure 13, first convex surface 131, second convex surface 132, edge 133, side end surface 134, lower tooth structure 20, coupling part 21, convex part 211, concave part 212, tail end part 22, lower groove 221.

Embodiments of the present invention

In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of description, rather than indicating or implying the referred device Or the elements must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be construed as a limitation to the present application, and those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations. The terms "first" and "second" are only used for the purpose of description, and should not be understood as indicating or implying relative importance or implying indicating the number of technical features. "Plurality" means two or more, unless expressly specifically limited otherwise.

In order to illustrate the technical solutions described in the present application, a detailed description is given below with reference to the specific drawings and embodiments.

Referring to FIGS. 1 to 4 , this embodiment provides a triangular fastener element 100 for engaging with each other to form a zipper structure. The triangular fastener element 100 has an engaging end 101 and a fixed end 102 , and each triangular fastener element 100 serves as a One of the units of the zipper is fixed to the fabric on one side through the fixed end 102 of the triangular fastener element 100 at intervals to form an element row, and the two fastener element rows are pulled together by a slider, so that the two fastener element rows are on the The engaging ends 101 of the corresponding triangular fastener elements 100 are engaged with each other. The triangular fastener element 100 includes an upper fastener element 10 and a lower fastener element 20 fixed on the upper fastener element 10. Specifically, the upper fastener element 10 and the lower fastener element 20 are integrally molded by synthetic resin injection, so that the triangular fastener element 100 Has strong overall structural strength.

The upper thread structure 10 includes a front end portion 11 of a triangular structure and a rear end portion 12 fixed on the front end portion 11. The front end portion 11 is of a triangular structure. When the zipper is engaged, the two opposite triangular fastener elements 100 are engaged with each other, and the front end portions 11 of the two triangular fastener elements 100 are respectively abutted against each other through their side surfaces, so as to form a zipper structure that engages with each other. The front end portion 11 and the rear end portion 12 are provided with a protruding structure 13 at one end side away from the lower tooth structure 20, and the cross-section of the protruding structure 13 along the arrangement direction of the triangular fastener elements 100 is a tapered cross-section; when using a zipper, pull the When the slider slides on the zipper, the protruding structure 13 can directly contact the inner side of the slider, and the contact part between the protruding structure 13 and the inner side of the slider is only the protruding part of the protruding structure 13, and the contact area is small, thereby causing friction The force is also smaller, which is more convenient and labor-saving when using the zipper to pull the slider.

The lower tooth structure 20 has a coupling portion 21 and a tail end portion 22 fixed on the coupling portion 21. The end portion of the coupling portion 21 away from the tail end portion 22 is provided with a convex portion 211, and the coupling portion 21 is also provided with a concave portion 212. The concave portion 212 It is adjacent to the convex part 211 . When the zipper is engaged, two opposite triangular elements 100 are engaged with each other, and the convex portion 211 of the coupling portion 21 of one triangular element 100 is correspondingly inserted into the concave portion 212 of the coupling portion 21 of the other triangular element 100 , to form an intermeshing zipper structure. The coupling portion 21 corresponds to the front end portion and forms the engaging end 101 , and the rear end portion 12 corresponds to the rear end portion 22 and forms the fixed end 102 .

The triangular fastener element 100 provided by the present application includes two parts, an upper tooth structure 10 and a lower tooth structure 20 , and the upper tooth structure 10 includes a front end portion 11 and a rear end portion 12 in a triangular structure, and the lower tooth structure 20 includes a The coupling part 21 of the convex part 211 and the concave part 212 and the tail end part 22, by designing the upper tooth structure 10 and the lower tooth structure 20 as two parts of different shapes, under the condition of satisfying the use conditions of the zipper, the zipper has better performance. At the same time, it can meet the requirements on the structure and appearance of the fastener elements of the zipper under different occasions; at the same time, a protruding structure 13 is provided on one end side of the front end portion 11 and the rear end portion 12, and the protruding structure is located on the triangular teeth. The cross-section in the arrangement direction of the fastener elements is a tapered cross-section. When a zipper is used, the slider slides on the triangular element 100 of the zipper, and the contact area between the convex structure 13 and the inner side of the slider is small, that is, when sliding The frictional force on the slider is also relatively small, which makes it more convenient and labor-saving for the user to use the zipper to pull the slider.

Referring to FIG. 2 , in one embodiment, the length of the front end portion 11 increases from the end away from the coupling portion 21 to the end close to the coupling portion 21 , and the length of the coupling portion 21 increases from the end away from the front end portion 11 to the end close to the front end portion. The direction of one end of 11 is incremented. The longitudinal direction of the front end portion 11 refers to the direction in which the front end portion 11 faces the rear end portion 12 , and the longitudinal direction of the coupling portion 21 refers to the direction in which the coupling portion 21 faces the rear end portion 22 . Due to the structure that the length of the front end portion 11 increases from the end away from the coupling portion 21 to the end close to the coupling portion 21 , when the two opposite triangle elements 100 are engaged, the length of the end of the front end portion 11 close to the coupling portion 21 The length is longer, that is, the mutual engagement is more sufficient, and the length of the end of the front end portion 11 away from the coupling portion 21 is shorter. Under the condition that the zipper can be fully engaged, the triangular fastener elements 100 on both sides of the zipper at the beginning of the zipper can also be easily pulled. In the same way, through the structure in which the length of the coupling portion 21 increases from the end away from the front end portion 11 to the end close to the front end portion 11 , under the condition that the zipper can be pulled and fully engaged, the two sides of the zipper can be opened when the zipper is opened. The triangular fastener elements 100 can also be easily separated.

Referring to FIG. 2 , in one embodiment, an upper groove 121 is formed on the rear end portion 12 , a lower groove 221 is formed on the rear end portion 22 , and the upper groove 121 and the lower groove 221 are combined to be fixed in the Mounting slot on the zipper mandrel. The upper groove 121 and the lower groove 221 are both semi-cylindrical groove bodies, and a cylindrical groove body for fixing on the zipper mandrel is formed by splicing the upper groove 121 and the lower groove 221 . The upper groove 121 opened at the rear end portion 12 and the lower groove 221 opened at the rear end portion 22 are used to form a mounting groove, so as to fix the triangular fastener element 100 on the zipper mandrel, so as to achieve the securement of fixing the triangular fastener element 100. Effect.

In one embodiment, the coupling portion 21 is integrally formed with the front end portion 11 . The integral structure of the coupling portion 21 and the front end portion 11 is utilized, so that the integrity of the coupling portion 21 and the front end portion 11 is stronger, and the overall structure of the triangular fastener element 100 is better.

Example 1

Referring to FIGS. 1 to 4 , in one embodiment, the protruding structure 13 completely covers the front end portion 11 and extends continuously and partially covers the rear end portion 12 . By using the protruding structure 13 to completely cover the front end 11 and partially covering the rear end 12, the part of the protruding structure 13 on the rear end 12 is plane-cut and beveled to form a vertical depression, so that the The volume of the raised structure 13 that is in contact and rubbed with the inner side of the slider is reduced, and the inner side of the slider is suspended in the reduced portion of the raised structure 13, so that the contact area between the slider and the triangular fastener element 100 is further reduced, and the resistance also increases. The reduction will make the movement of the slider on the zipper smoother, and the user will be more labor-saving and convenient to use the zipper.

The protruding structure has a side end surface 134 , and the side end surface 134 is parallel to the end surface of the rear end portion 12 away from the front end portion 11 . Since the side end surface 134 of the protruding structure is parallel to the end surface of the rear end portion 12 away from the front end portion 11, when the element row of the slide fastener is formed by the triangular element 100, the side end surface of the protruding structure 13 of each triangular element 100 134 can form a flush plane, which makes the zipper more regular and beautiful.

Meanwhile, the protruding structure 13 includes a first convex surface 131 and a second convex surface 132 intersecting with the first convex surface 131 . The first convex surface 131 of the convex structure 13 intersects with the second convex surface 132, and contacts the inner side of the slider at the intersection, so that when the slider slides on each triangular fastener element 100, the slider and the convex structure 13 The contact area of the zipper is reduced, thereby effectively reducing the moving resistance of the slider on the triangular fastener element 100, which facilitates the user's use and operation of the zipper.

In one embodiment, the first convex surface 131 and the second convex surface 132 intersect on a side away from the front end portion 11 to form an edge 133 . Through the intersection of the first convex surface 131 and the second convex surface 132 to form the structure of the edge 133, when the slider slides on the triangular fastener element 100, the structure of the edge 133 effectively reduces the inner side of the slider and the convex structure 13. Therefore, the moving resistance of the slider on the triangular fastener element 100 is further reduced, so that the user can use the zipper more smoothly.

Example 2

Referring to FIGS. 5 to 7 , in one embodiment, the protruding structure 13 completely covers the front end portion 11 and the rear end portion 12 . The protruding structure 13 is completely covered on the front end 11 and the rear end 12. When using a zipper, the slider will contact the protruding structure 13 completely covering the front end 11 and the rear end 12 when sliding, so that the sliding is more stable .

In one embodiment, the present application also provides a slide fastener having the above-mentioned triangular fastener elements 100 . The zipper provided by the present application is more labor-saving and convenient to use on the basis of having the above-mentioned triangular fastener elements 100 .

The above are only optional embodiments of the present application, and are not intended to limit the present application. Various modifications and variations of this application are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the scope of the claims of this application.

Claims

A triangular fastener element is used to engage with each other to form a zipper structure, the triangular fastener element has an engaging end and a fixed end, and is characterized in that it comprises an upper thread structure and a lower thread structure fixed on the upper thread structure, The upper tooth structure includes a front end part in a triangular structure and a rear end part fixed on the front end part, and the front end part and the rear end part are provided with a protrusion on one end side away from the lower tooth structure. The cross-section of the protruding structure along the arrangement direction of the triangular fastener elements is a tapered cross-section; the lower tooth structure has a coupling part and a tail end fixed on the coupling part, the coupling A convex part is provided at one end of the part away from the tail end part, a concave part is also opened on the coupling part, the concave part is adjacent to the convex part, the coupling part corresponds to the front end part and forms the an engaging end, the rear end portion corresponds to the rear end portion and forms the fixed end.
The triangular fastener element according to claim 1, wherein the protruding structure completely covers the front end portion and the rear end portion.
The triangular fastener element according to claim 1, wherein the protruding structure completely covers the front end portion and extends continuously and partially covers the rear end portion.
The triangular fastener element according to claim 3, wherein the protruding structure has a side end surface, and the side end surface is parallel to the end surface of the rear end portion away from the front end portion.
The triangular fastener element according to claim 2 or 4, wherein the convex structure comprises a first convex surface and a second convex surface intersecting with the first convex surface.
The triangular fastener element according to claim 5, wherein the first convex surface and the second convex surface intersect and form an edge on a side away from the front end portion.
The triangular fastener element according to claim 6, wherein the length of the front end portion increases from the end away from the coupling portion to the direction close to the end of the coupling portion, and the length of the coupling portion is away from the coupling portion. One end of the front end portion increases in a direction closer to one end of the front end portion.
The triangular fastener element according to claim 1, wherein an upper groove is formed on the rear end portion, a lower groove is formed on the rear end portion, and the upper groove and the lower groove are formed. The grooves combine to form a mounting groove for fixing on the zipper mandrel.
The triangular fastener element according to claim 1, wherein the coupling portion and the front end portion are integrally formed.
A slide fastener is characterized by comprising the triangular fastener element according to any one of claims 1 to 9.