CN210726865U - Zipper tooth and zipper - Google Patents

Abstract

The utility model provides a pair of draw zipper tooth, including tooth core and tooth body, tooth core is the metal material, and tooth body is the resin material, and tooth body cladding is in tooth core outside, and forms the outside profile of drawing zipper tooth. The zipper tooth formed by adopting the mode of combining the two materials has the advantages that the appearance can achieve the texture of metal teeth and resin teeth, the use smoothness of the resin zipper tooth is achieved, and the combination of the fixing part made of the metal material and the zipper strip is firmer. The scheme also provides a zipper with the zipper teeth.

Description

Zipper tooth and zipper

Technical Field

The utility model belongs to the technical field of the zip fastener, in particular to zip fastener tooth and zip fastener.

Background

The existing zipper teeth are made of resin materials or metal materials. Generally, since the metallic texture is more expensive from the appearance, people prefer to select a metal zipper, but the conventional metal zipper teeth are soft in texture, easy to deform and yet to be improved in use smoothness, while the resin zipper teeth are not easily broken but have poor texture compared to the metal zipper teeth.

Therefore, it is an urgent problem to be solved by those skilled in the art how to maintain the texture of the metal zipper teeth and to have the smoothness of the resin zipper teeth in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zip fastener tooth and zip fastener both remain the feel of metal zipper tooth, have the use smoothness of resin zipper tooth again.

In order to solve the above technical problem, the utility model provides a zipper tooth, include:

a tooth body which forms the outer contour of the zipper tooth and is made of resin;

the tooth body wraps the outer side of the tooth core body and is made of metal.

Preferably, in the above-described fastener element, the element body is made of a transparent or translucent material.

Preferably, in the above fastener element, a narrowest portion of the element core corresponds to a narrowest portion of the element body;

the widest part of the tooth core body corresponds to the widest part of the tooth body.

Preferably, in the above-described fastener element, the element body is integrally formed by injection molding.

Preferably, in the above-mentioned fastener element, one end of the element core body is provided with a core body coupling groove for fastening and coupling with the fastener stringer.

Preferably, in the above-described fastener element, the element body is provided at the same end as the element core body with a body coupling groove corresponding to the core body coupling groove.

Preferably, in the above-mentioned zipper tooth, the core body coupling groove includes a strip groove close to the outer edge and a cylindrical groove or a square groove communicated with the strip groove, and a diameter of the cylindrical groove or the square groove is larger than a width dimension of the zipper strip.

Preferably, in the above-described fastener element, the element core is made of copper, aluminum, or stainless steel, and the element body is made of POM, PC, or ABS.

Preferably, in the above-described fastener element, the element body is provided with an avoidance groove at a position opposite to the other side fastener stringer.

The present disclosure also provides a zipper comprising the zipper teeth as described above.

The utility model provides a pair of draw zipper tooth, including tooth core and tooth body, tooth core is the metal material, and tooth body is the resin material, and tooth body cladding is in tooth core outside, and forms the outside profile of drawing zipper tooth. The zipper tooth formed by adopting the mode of combining the two materials has the advantages that the appearance can achieve the texture of metal teeth and resin teeth, the use smoothness of the resin zipper tooth is achieved, and the combination of the fixing part made of the metal material and the zipper strip is firmer. The scheme also provides a zipper with the zipper teeth.

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 view of a structure of a zipper tooth according to the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

fig. 5 is a right side view of fig. 1.

In the upper diagram:

a tooth body 1; an arc-shaped slot 101; the body is connected with a card slot 102; avoiding the groove 103; a tooth core body 2; the core is connected with the clamping groove 201.

Detailed Description

The core of the utility model is to provide a zip fastener tooth and zip fastener, both remain the feel of metal zipper tooth, have the use smoothness of resin zipper tooth again.

In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, the zipper teeth provided by the present invention include a tooth core 2 and a tooth body 1, wherein the tooth core 2 is made of metal, the tooth body 1 is made of resin, and the tooth body 1 is wrapped on the outer side of the tooth core 2 to form an outer profile of the zipper teeth.

The tooth core body 2 and the tooth body 1 are manufactured by adopting an integral forming process. Specifically, the one end of tooth core 2 is for being used for the fixed part be connected with the zip fastener strip, and the other end of tooth body 1 is for being used for adjacent zip fastener tooth intermeshing's interlock portion, is provided with the arc wall 101 that is used for with the adjacent zip fastener tooth interlude interlock of zip fastener strip on the interlock portion.

Specifically, the arc-shaped grooves 101 are provided on both sides of the coupling portion (i.e., on the contact surfaces of the adjacent fastener elements) in an inwardly depressed arc-shaped configuration. A zip fastener is whole to include two and draws zipper strips, evenly distributed a plurality of zip fastener tooth on drawing zipper strip, and the slip that corresponding zip fastener tooth passed through the pull head on two draw zipper strips is drawn zipper teeth about and is drawn zipper tooth and can be passed through this arc wall 101 interlude interlock. The part where the zipper teeth are mutually engaged is the engaging part of the zipper teeth, and the part connected with the zipper strip is a fixed part.

In the description of the present embodiment, it should be understood that the "two sides" are the side shown in fig. 2 and the side opposite to the side. The positional or positional relationships indicated herein are merely for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present solution.

The utility model provides a zipper tooth, including tooth core 2 and tooth body 1, tooth core 2 is the metal material, and tooth body 1 is the resin material, and 1 cladding of tooth body is in the outside of tooth core 2, and forms zipper tooth's outside profile. The zipper tooth formed by adopting the mode of combining the two materials has the advantages that the appearance can achieve the texture of metal teeth and resin teeth, the use smoothness of the resin zipper tooth is achieved, and the combination of the fixing part made of the metal material and the zipper strip is firmer.

In a preferred embodiment, the tooth body 1 is made of a transparent material or a translucent material. The metallic luster of the element core body 2 can be seen through the element body 1 from the appearance of the entire fastener element. The effect like 'gold inlaid with jade' can be achieved through reasonable color mixing in the process, so that the zipper teeth are more fashionable.

In order to enable the tooth body 1 to be more uniformly coated on the outer side of the tooth core body 2, the tooth body has an attractive effect. The narrowest part of the tooth core body 2 corresponds to the narrowest part of the tooth body 1; the widest part of the tooth core 2 corresponds to the widest part of the tooth body 1. The above "width and narrow" are relative to the width ratio in fig. 3 (i.e., the height direction in the drawing) so that the tooth core body 2 is fitted in the center position of the tooth body 1 with a reasonable size and ratio.

Specifically, the tooth body 1 is integrally formed by injection molding, and the process method can finish the tooth core body 2 row of teeth made of metal materials firstly and then use the tooth body 1 made of resin materials to carry out coating injection molding through a mold to obtain the tooth.

In the preferred embodiment, one end of the tooth core 2 is provided with a core coupling groove 201 for fastening coupling with the fastener stringer. Core connecting groove 201 and the joint of zip fastener strip, the shape design of core connecting groove 201 becomes to be unanimous with the zip fastener strip appearance, because the metal material texture that tooth core 2 adopted is softer, can compress tightly fixedly the one end of tooth core 2, core connecting groove 201 and the junction of zip fastener strip promptly, and the joint degree is higher. In order to further improve the fastening connection between the core body connecting clamping groove 201 and the zipper strip, a plurality of insections may be disposed on the groove wall of the core body connecting clamping groove 201 to increase the friction force on the contact surface.

In addition to the above embodiments, the tooth body 1 is provided with the body coupling groove 102 corresponding to the core body coupling groove 201 at the same end as the tooth core body 2. The body connecting clamping groove 102 and the core body connecting clamping groove 201 have the same or similar cross sections. The body connector slot 102 may be designed to have the same thickness as the core connector slot 201, or the body connector slot 102 shown in fig. 1 may be designed to have a thickness greater than that of the core connector slot 201. It should be understood that reference throughout to "thickness" is to the length from one side shown in fig. 1 to the opposite side.

Because the existing zipper strip is designed to have a convex structure at the connecting end with the zipper teeth, further, the body connecting clamping groove 102 can be designed to comprise a strip-shaped groove close to the outer edge and a cylindrical groove or a square groove communicated with the strip-shaped groove, and the diameter of the cylindrical groove or the square groove is larger than the width size of the zipper strip. Of course, the cylindrical groove may have other groove structures, and the nominal diameter of the groove structure should be larger than the width dimension of the zipper strip. The axial direction of the groove structure is consistent with the length direction of the zipper strips, and the groove structure is matched with the bulge structure of the zipper strips.

Specifically, the material of the tooth core body 2 is copper, aluminum or stainless steel, and the material of the tooth body 1 is POM (polyoxymethylene), PC (polycarbonate) or ABS (acrylonitrile butadiene styrene copolymer). The tooth body 1 is made of transparent or semitransparent materials.

When the zipper teeth on the zipper strips on one side are meshed with the zipper teeth on the zipper strips on the other side, the tooth body 1 on the zipper teeth on one side is provided with an avoiding groove 103 at the position opposite to the zipper strips on the other side, and the avoiding groove 103 reserves an avoiding position for the zipper strips in the meshing process.

In addition, the present application further discloses a zipper, which includes zipper teeth, and the zipper teeth are the zipper teeth disclosed in the above embodiments, so that the zipper having the zipper teeth also has all the technical effects described above, and no further description is provided herein.

In a specific implementation mode, the zipper comprises a group of zipper strips, a pull head and a plurality of zipper teeth arranged on the zipper strips, two rows of zipper teeth arranged on the group of zipper strips can be penetrated and meshed through the sliding of the pull head, and the left zipper teeth and the right zipper teeth are meshed together.

The zipper tooth in this scheme contains two kinds of materials, is metal material (copper, aluminium, stainless steel etc.) and transparent or translucent resin respectively and constitutes, and the back of moulding plastics is being accomplished, can see the inside metal tooth core structure (tooth core can design multiple pattern) of wrapping up in resin tooth body, is a very beautiful zipper tooth.

This scheme of adoption provides structural design, draws zipper tooth through making traditional resin to combine together with the metal tooth effectively, develops a new zip fastener variety, has realized the lightweight design of drawing zipper tooth, and can guarantee again to draw zipper tooth and the fastness that draws zipper strip to and draw zipper tooth's tooth head smoothness, promoted resin zipper's market share.

Further, the term "plurality" means two or more unless specifically limited otherwise.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

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 (10)

1. A fastener element, comprising:

a tooth body (1) which forms the outer contour of the zipper tooth and is made of resin;

the tooth core body (2), tooth body (1) cladding is in tooth core body (2) outside, and is the metal material.

2. The fastener element according to claim 1, wherein the element body (1) is made of a transparent or translucent material.

3. The fastener element according to claim 1, wherein the narrowest portion of the element core (2) corresponds to the narrowest portion of the element body (1);

the widest part of the tooth core body (2) corresponds to the widest part of the tooth body (1).

4. The fastener element according to any one of claims 1 to 3, wherein the element body (1) is integrally formed by injection molding.

5. The fastener element according to any one of claims 1 to 3, wherein one end of the element core body (2) is provided with a core body coupling groove (201) for fastening coupling with the fastener stringer.

6. The fastener element according to claim 5, wherein the element body (1) is provided with a body coupling groove (102) corresponding to the core body coupling groove (201) at the same end as the element core body (2).

7. The fastener element according to claim 5, wherein the core body coupling groove (201) comprises a strip groove near an outer edge and a cylindrical groove or a square groove communicating with the strip groove, the diameter of the cylindrical groove or the square groove being larger than the width dimension of the fastener stringer.

8. The fastener element according to any one of claims 1 to 3, wherein the element core (2) is made of copper, aluminum or stainless steel, and the element body (1) is made of POM, PC or ABS.

9. The fastener element according to any one of claims 1 to 3, wherein the element body (1) is provided with an escape groove (103) at a position opposite to the other side fastener stringer.

10. A slide fastener comprising fastener elements according to any one of claims 1 to 9.

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