CN214386373U

CN214386373U - Plastic-steel airtight zipper

Info

Publication number: CN214386373U
Application number: CN202120300867.4U
Authority: CN
Inventors: 朱法林; 吴艺谦
Original assignee: Zhongshan Kemis Airtight Zipper Co ltd
Current assignee: Zhongshan Kemis Airtight Zipper Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-15
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses an airtight zip fastener of plastic steel, include: the chain tooth part and the lock head are fixed in the middle of the rubber cloth; the rubber cloth is characterized by comprising more than two layers of base cloth, wherein each layer of base cloth is fixedly laminated by a rubber layer, and the upper surface and the lower surface of each layer of base cloth are coated with the rubber layers; the zipper tooth part consists of two zipper teeth, namely a first zipper tooth and a second zipper tooth, and each zipper tooth comprises a plurality of upper zipper heads and a plurality of lower zipper heads which are arranged at equal intervals; the upper zipper head and the lower zipper head are both provided with a main body part, the inner side and the outer side of the main body part are respectively provided with a closed tooth head and a positioning table, and two grooves are formed between the closed tooth head and the positioning table. The plastic steel airtight zipper of the utility model has the advantages of excellent sealing performance, good waterproof and air leakage preventing effects and long service life.

Description

Plastic-steel airtight zipper

Technical Field

The utility model relates to a zip fastener technical field, more specifically the airtight zip fastener of plastic steel that says so relates to.

Background

A zipper is a connecting piece for combining or separating articles by means of continuously arranged zipper teeth, and is widely used in the fields of clothes, bags, tents and the like at present. The traditional zipper has poor air-tight and water-proof performance because of the defects of the structural design and the gap between the closed zipper and the core part.

Therefore, how to provide a plastic-steel airtight zipper capable of solving the above problems is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an airtight zip fastener of plastic steel, it has that sealing performance is good, waterproof leak protection gas is effectual, long service life moreover.

In order to achieve the above object, the utility model provides a following technical scheme:

plastic steel airtight zip fastener includes: the chain tooth part and the lock head are fixed in the middle of the rubber cloth; the rubber cloth is characterized by comprising more than two layers of base cloth, wherein each layer of base cloth is fixedly laminated by a rubber layer, and the upper surface and the lower surface of each layer of base cloth are coated with the rubber layers; the zipper tooth part consists of two zipper teeth, namely a first zipper tooth and a second zipper tooth, and each zipper tooth comprises a plurality of upper zipper heads and a plurality of lower zipper heads which are arranged at equal intervals; the upper zipper head and the lower zipper head are both provided with a main body part, the inner side and the outer side of the main body part are respectively provided with a closed tooth head and a positioning table, and two grooves are formed between the closed tooth head and the positioning table.

Preferably, in the plastic-steel airtight zipper, a positioning piece is arranged at the bottom of the rubber cloth.

Preferably, in the plastic-steel airtight zipper, the lock head is provided with a T-shaped pulling piece.

Preferably, in the plastic-steel airtight zipper, the upper and lower zipper heads of the first zipper teeth and the upper and lower zipper heads of the second zipper teeth are mutually extruded to form a sealing structure under the driving of the lock head.

Preferably, in the plastic-steel airtight zipper, the positioning table is fixed to the rubber cloth.

Preferably, in the plastic-steel airtight zipper, two ends of the closed tooth head are provided with arc parts, and the arc parts are matched with the grooves.

Preferably, in the plastic-steel airtight zipper, the base fabric is provided with two layers.

Known from the above technical scheme, compare with prior art, the utility model has the following characteristics:

the rubber cloth of the utility model adopts a laminated composite structure of a plurality of layers of base cloth and rubber layers, even if the outer rubber layer is forced to be damaged, the inner rubber layer can still be used, thereby not only prolonging the service life, but also having stronger water-gas sealing performance;

the lock head is slidably arranged on the closed parts of the two rows of the first zipper teeth and the second zipper teeth, and when the two rows of the zipper teeth are in an engaged state, the rubber cloths at two ends of the opening are tightly combined together through the pulling and closing action of the lock head, so that no gap is left.

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 diagram of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the open state of the present invention.

Fig. 3 is a schematic structural diagram of an enlarged view of a portion a of the present invention.

Fig. 4 is a schematic view of the sprocket structure of the present invention.

Fig. 5 is a schematic diagram of the rubber cloth structure of the present invention.

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.

Referring to fig. 1-5, the plastic steel airtight zipper disclosed by the present invention specifically comprises:

the rubber cloth 1, and a sprocket part 2 and a lock head 3 which are fixed in the middle of the rubber cloth 1; the rubber cloth 1 comprises more than two layers of base cloth 11, each layer of base cloth is fixedly laminated by a rubber layer 12, and the upper surface and the lower surface of each layer of base cloth are coated with the rubber layers; the zipper tooth part 2 consists of two zipper teeth, namely a first zipper tooth 21 and a second zipper tooth 22, and each zipper tooth comprises a plurality of upper zipper heads 23 and lower zipper heads 34 which are arranged at equal intervals; the upper zipper head and the lower zipper head are both provided with a main body part 25, the inner side and the outer side of the main body part are respectively provided with a closed tooth head 26 and a positioning table 27, and two grooves 28 are formed between the closed tooth head and the positioning table.

In order to further optimize the technical scheme, the bottom of the rubber cloth 1 is provided with a positioning sheet 13.

In order to further optimize the above technical solution, a T-shaped pull tab 31 is mounted on the lock head 3.

In order to further optimize the technical scheme, the upper and lower zipper heads of the first zipper teeth and the upper and lower zipper heads of the second zipper teeth are mutually extruded to form a sealing structure under the driving of the lock head.

In order to further optimize the technical scheme, the positioning table is fixed with the rubber cloth.

In order to further optimize the technical scheme, arc parts are arranged at two ends of the closed tooth head, and the arc parts 29 are matched with the grooves.

In order to further optimize the technical scheme, the base cloth is provided with two layers.

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 device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Plastic steel airtight zip fastener includes: the chain tooth part and the lock head are fixed in the middle of the rubber cloth; the rubber cloth is characterized by comprising more than two layers of base cloth, wherein each layer of base cloth is fixedly laminated by a rubber layer, and the upper surface and the lower surface of each layer of base cloth are coated with the rubber layers; the zipper tooth part consists of two zipper teeth, namely a first zipper tooth and a second zipper tooth, and each zipper tooth comprises a plurality of upper zipper heads and a plurality of lower zipper heads which are arranged at equal intervals; the upper zipper head and the lower zipper head are both provided with a main body part, the inner side and the outer side of the main body part are respectively provided with a closed tooth head and a positioning table, and two grooves are formed between the closed tooth head and the positioning table.

2. The plastic-steel airtight zipper according to claim 1, wherein a positioning piece is provided at the bottom of said rubber cloth.

3. The plastic-steel airtight zipper according to claim 1, wherein a T-shaped pull tab is mounted on said lock head.

4. The plastic steel airtight zipper according to claim 1, wherein the upper and lower zipper heads of the first zipper teeth and the upper and lower zipper heads of the second zipper teeth are mutually squeezed to form a sealing structure under the driving of the lock head.

5. The plastic-steel airtight zipper according to claim 1, wherein said positioning table is fixed to a rubber cloth.

6. The plastic-steel airtight zipper according to claim 4, wherein both ends of said closing tooth head are provided with circular arc portions, and said circular arc portions are matched with the grooves.

7. The plastic-steel airtight zipper according to claim 1, wherein said base fabric is provided with two layers.