CN213096494U

CN213096494U - Airtight zipper

Info

Publication number: CN213096494U
Application number: CN202020977084.5U
Authority: CN
Inventors: 陈魏凯; 梁孝瑜; 陈兆森; 魏晓欧; 陈利众; 金昌谱
Original assignee: Jiaxing Zion Industry Co ltd
Current assignee: Jiaxing Zion Industry Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-05-04
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses an airtight zipper, including strap and sprocket, the strap includes main part, turn back portion and connecting portion, the both ends of turn back portion are connected respectively to main part and connecting portion, form the gap that supplies the pull head installation between main part and the connecting portion, the sprocket is fixed in on the connecting portion, the strap includes left strap and right strap, is provided with the sealing strip in the one side that turn back portion of left strap and the turn back portion of right strap are relative, the sealing strip on left strap and the right strap contacts each other, and the surface and the main part of sealing strip flush, the utility model discloses all hide whole pull head and sprocket, make the strap surfacing outwards.

Description

Airtight zipper

Technical Field

The utility model belongs to the zip fastener field, more specifically the airtight zip fastener that relates to that says so.

Background

In general, a slide fastener is roughly classified into two representative types, a normal type of slide fastener in which left and right element rows that are engaged are disposed on the tape surface side of a fastener tape and exposed, and a concealed type of slide fastener (so-called concealed slide fastener) in which the left and right element rows that are engaged can be concealed so as not to be visible from the outside. The concealed slide fastener is suitably used for various articles such as clothes and shoes by effectively utilizing the advantage that the design of the article is not impaired due to its concealing property, and recently, is also used for seat covers for seats of automobiles and trains.

The existing common invisible zipper in the current market covers the zipper teeth with the cloth belt to achieve the invisible effect, but the cloth belt covers the zipper teeth to enable the cloth belt to protrude out of the whole fabric, so that the invisible zipper is still obvious.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a with whole pull head and sprocket all hidden, make the strap surface smooth airtight zip fastener outwards.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an airtight zipper, includes strap and sprocket, and the strap includes main part, turn back portion and connecting portion, the both ends of turn back portion are connected respectively to main part and connecting portion, form the gap that supplies the pull head installation between main part and the connecting portion, the sprocket is fixed in on the connecting portion, the strap includes left strap and right strap, is provided with the sealing strip in the one side that the turn back portion of left strap and the turn back portion of right strap are relative, and the sealing strip on left strap and the right strap contacts each other, and the surface and the main part of sealing strip flush.

The opposite surfaces of the sealing strips on the left cloth belt and the right cloth belt are vertical surfaces.

The opposite side of the sealing strips on the left cloth belt and the right cloth belt is a wedge-shaped surface.

The sealing strip on the left cloth belt is provided with a positioning groove to form a concave buckle, the sealing strip on the right cloth belt is provided with a positioning bulge to form a convex buckle, and the convex buckle extends into the concave buckle.

The cloth belt is further a composite cloth made of PP, PVC, EVA, PE and TPU.

The cloth belt is further made of films of PP, PVC, EVA, PE and TPU.

The cloth belt is further made by coating PP, PVC, EVC, PE or TPU layers on woven belt cloth and mesh cloth.

The surface of the main body part is further coated with PP, PVC, EVC, PE or TPU to form a sealing layer, and the sealing layer is connected with the sealing strip.

Compared with the prior art, the beneficial effects of the utility model are that: through the strap of "U" font, make sprocket and pull head all be in one side of main part, the main part can realize surfacing, and the sealing strip of both sides contacts each other and realizes hiding pull head and sprocket, simultaneously the utility model discloses a sealed water-proof effects can be realized to the zip fastener.

Drawings

FIG. 1 is a schematic view of the structure of a first embodiment of the airtight zipper of the present invention;

FIG. 2 is a schematic view showing the structure of a second embodiment of the airtight zipper of the present invention;

FIG. 3 is a schematic structural view of a third embodiment of the airtight zipper of the present invention;

FIG. 4 is a schematic structural view of a fourth embodiment of the airtight zipper of the present invention (the male fastener extends into the female fastener);

FIG. 5 is a schematic structural view of a fourth embodiment of the airtight zipper of the present invention (the male fastener extends out of the female fastener);

fig. 6 is a schematic structural view of a fifth embodiment of the airtight zipper of the present invention.

Reference numerals: 11. a main body portion; 12. a fold-back portion; 13. a connecting portion; 14. a gap; 2. a zipper tooth; 3. a sealing strip; 31. concave buckling; 32. a convex buckle; 15. a sealing layer; 5. and (3) an adhesive.

Detailed Description

Embodiments of the airtight zipper of the present invention will be further described with reference to fig. 1 to 6.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The first embodiment is as follows: as shown in fig. 1, an airtight zipper comprises a cloth tape and zipper teeth, the cloth tape comprises a main body part 11, a folding part 12 and a connecting part 13, the main body part 11 and the connecting part 13 are respectively connected with two ends of the folding part 12, a gap 14 for installing a slider is formed between the main body part 11 and the connecting part 13, the zipper teeth are fixed on the connecting part 13, the cloth tape comprises a left cloth tape and a right cloth tape, a sealing strip 3 is arranged on one surface of the folding part 12 of the left cloth tape and the folding part 12 of the right cloth tape, the sealing strips 3 on the left cloth tape and the right cloth tape are in contact with each other, the surface of the sealing strip 3 is flush with the main body part 11, and the side of the main body part.

The opposite surfaces of the sealing strips 3 on the left cloth belt and the right cloth belt are vertical surfaces.

The zipper covers the zipper teeth and the connecting portion 13 in the embodiment, when the zipper is closed, the left zipper teeth and the right zipper teeth are closed in a mutual pulling mode, the two sealing strips 3 are in mutual contact, the zipper teeth and the zipper head are hidden, the surface of the main body portion 11 is flat, scratches caused by back-and-forth friction of the zipper head cannot occur on one side of the main body portion 11 facing outwards, and the whole zipper is more attractive.

The cloth belt of the embodiment is preferably a composite cloth made of PP, PVC, EVA, PE and TPU.

The cloth belt in the embodiment can also be made of films of PP, PVC, EVA, PE and TPU.

The cloth belt in the embodiment can also be made by coating a PP, PVC, EVC, PE or TPU layer on woven belt cloth and mesh cloth.

Example two: as shown in fig. 2, the one side that sealing strip 3 on left strap and the right strap is relative in this embodiment is the wedge-shaped face, and all the other technical characteristics are the same with embodiment one, through the wedge-shaped face of mutually supporting, when drawing and shutting, left side sealing strip 3 and right side sealing strip 3 superpose each other, and sealed effect is better.

Example three: as shown in fig. 3, in the present embodiment, the surface of the main body 11 is coated with a sealing layer 15 formed of PP, PVC, EVC, PE, or TPU, the sealing layer 15 is joined to the weather strip 3, and the sealing layer 15 and the fastener element 2 are respectively on opposite sides of the main body 11.

The structure of the sealing strip 3 can adopt the form of the first embodiment, the second embodiment or the fourth embodiment, at this time, the surface of the whole main body part 11 has good sealing and waterproof performance, and the whole zipper is invisible and sealed and waterproof by matching with the sealing strip 3.

Example four: as shown in fig. 4 and 5, in this embodiment, the sealing strip 3 on the left cloth strap is provided with a positioning groove to form a concave buckle 31, the sealing strip 3 on the right cloth strap is provided with a positioning protrusion to form a convex buckle 32, the convex buckle 32 extends into the concave buckle 31, other technical features are the same as those of the first embodiment, and by using the cooperation of the convex buckle 32 and the concave buckle 31, better sealing is realized, and the two are not easy to separate.

Example five: as shown in fig. 6, in this embodiment, the gap 14 between the connecting portion 13 and the body portion 11 is filled with the adhesive 5, and at this time, the slider covers the element and the body portion 11, and when the element 2 is pulled, not only the female fastener 31 and the male fastener 32 can be engaged together, but also a pressing force can be applied to the female fastener 31 and the male fastener 32, and the female fastener 31 and the male fastener 32 can be smoothly engaged together by the slider.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an airtight zip fastener, includes strap and sprocket, its characterized in that: the strap includes main part, turning back portion and connecting portion, the both ends of turning back portion are connected respectively to main part and connecting portion, form the gap that supplies the pull head installation between main part and the connecting portion, the sprocket is fixed in on the connecting portion, the strap includes left strap and right strap, is provided with the sealing strip on the relative one side of the turning back portion of left strap and right strap, the sealing strip on left strap and the right strap contacts each other, and the surface and the main part of sealing strip flush.

2. The hermetic slide fastener according to claim 1, wherein: the opposite surfaces of the sealing strips on the left cloth belt and the right cloth belt are vertical surfaces.

3. The hermetic slide fastener according to claim 1, wherein: the opposite side of the sealing strips on the left cloth belt and the right cloth belt is a wedge-shaped surface.

4. The hermetic slide fastener according to claim 1, wherein: the sealing strip on the left cloth belt is provided with a positioning groove to form a concave buckle, the sealing strip on the right cloth belt is provided with a positioning bulge to form a convex buckle, and the convex buckle extends into the concave buckle.

5. The airtight zipper according to any one of claims 1 to 4, wherein: the cloth belt is made by coating PP, PVC, EVC, PE or TPU layers on woven belt cloth and mesh cloth.

6. The airtight zipper according to any one of claims 1 to 4, wherein: the surface of the main body part is coated with PP, PVC, EVC, PE or TPU to form a sealing layer, and the sealing layer is connected with the sealing strip.