CN213096492U - Airtight zip fastener of double-deck chain tooth - Google Patents
Airtight zip fastener of double-deck chain tooth Download PDFInfo
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- CN213096492U CN213096492U CN202020976868.6U CN202020976868U CN213096492U CN 213096492 U CN213096492 U CN 213096492U CN 202020976868 U CN202020976868 U CN 202020976868U CN 213096492 U CN213096492 U CN 213096492U
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- zipper cloth
- zipper
- cloth
- narrow
- zip fastener
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Abstract
The utility model discloses an airtight zip fastener of double-deck chain tooth, including zip fastener cloth and chain tooth, zip fastener cloth including first zip fastener cloth and second zip fastener cloth, the both sides of zip fastener cloth all are provided with the chain tooth, be provided with narrow zip fastener cloth between chain tooth and the zip fastener cloth, one side of narrow zip fastener cloth and zip fastener cloth pass through sticky fixed, and narrow zip fastener cloth opposite side is fixed through the suture with the chain tooth, and first zip fastener cloth all is provided with sealed limit with the second zip fastener cloth on relative inboard side, the utility model provides an airtight zip fastener of double-deck chain tooth, this zip fastener have the leakproofness to adopt the closed holistic joint strength of making the zip fastener of double-deck chain tooth to improve.
Description
Technical Field
The utility model relates to a zip fastener technical field, more specifically the airtight zip fastener of double-deck chain tooth that says so relates to.
Background
Slide fasteners are connecting members for joining or separating articles by means of continuously arranged fastener elements, and are widely used for clothing, bags, tents, and the like. A fastener consisting of two belts each provided with a row of metal teeth or plastic teeth is used for connecting the edge of an opening (such as clothes or a bag opening), and a sliding piece can pull the two rows of teeth into an interlocking position to seal the opening; chains attached to something (as a suspended or dropped object) to tension, stabilize or guide the object. With the development of human social economy and science and technology, the zipper is developed from an initial metal material to a non-metal material, from a single variety and single function to a multi-variety and multi-specification comprehensive function, and goes through a long evolution process from a simple structure to the modern exquisite and beautiful appearance and colorful appearance. The performance, structure and material of the small zipper are changed day by day, the small zipper has wide application, and the small zipper extends into various fields of aerospace, aviation, military, medical treatment, civil use and the like, plays an increasingly large role in the life of people, and shows the importance and vitality of the small zipper more and more. A slide fastener has been loaded into historical books as one of ten inventions most practical for humans in this century.
The existing clothes zipper simply connects clothes divided into two sides together, when it rains or is splashed with water, the water can enter the clothes along the gaps between the chain teeth to wet the inside of the clothes, so a sealed zipper is needed; common sealed zip fastener is used for transparent pen bag and cell-phone sealed bag mostly, adopts rubber materials or plastics to make, and zip fastener one side is the sand grip, and the opposite side is the recess, uses the zip fastener head to make both sides closed reach sealed effect, though this type of zip fastener can reach sealedly, but its intensity of connecting is not enough, and the atress can make the zip fastener separation, so needs a zip fastener that has the leakproofness and the joint strength is enough.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model provides an airtight zip fastener of double-deck chain tooth, this zip fastener have the leakproofness to adopt the closed holistic joint strength of double-deck chain tooth messenger zip fastener to obtain improving.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an airtight zip fastener of double-deck chain tooth, includes draws zipper cloth and chain tooth, draw zipper cloth including first draw zipper cloth and second to draw zipper cloth, draw zipper cloth's both sides all to be provided with the chain tooth, be provided with narrow zipper cloth between chain tooth and the zipper cloth, one side of narrow zipper cloth and draw zipper cloth to pass through sticky fixed, narrow zipper cloth opposite side and chain tooth pass through the suture fixed, and first zipper cloth and second draw zipper cloth to go up relative inboard limit and all are provided with the sealed limit.
Furthermore, the opposite sides of the sealing edges of the first zipper cloth and the second zipper cloth are both in S-shaped arc shapes, and the first zipper cloth and the second zipper cloth are centrosymmetric.
Furthermore, the opposite sides of the sealing edges of the first zipper cloth and the second zipper cloth are both in a step shape, and the first zipper cloth and the second zipper cloth are in central symmetry.
Furthermore, the opposite sides of the sealing edges of the first zipper cloth and the second zipper cloth are inclined planes and are parallel to each other.
Furthermore, the opposite sides of the sealing edges of the first zipper cloth and the second zipper cloth are vertical planes.
Furthermore, a sewing line is arranged between the narrow zipper cloth on one side of the zipper cloth and the zipper cloth, and the sewing line penetrates through the narrow zipper cloth and the zipper cloth to fix the narrow zipper cloth and the zipper cloth.
And sewing threads are arranged between the narrow zipper cloth and the zipper cloth on the two sides of the zipper cloth, penetrate through the narrow zipper cloth and the zipper cloth to fix the narrow zipper cloth and the zipper cloth, and the sewing threads on the two sides are arranged in a staggered mode.
Furthermore, the zipper cloth is made of fiber, rubber or plastic composite materials, and the sealing edge is made of plastic elastomer materials.
Compared with the prior art, the beneficial effects of the utility model are that: by arranging the zipper teeth on both sides of the zipper cloth, compared with the zipper teeth arranged on one side, the zipper teeth on both sides are meshed, so that the integral connection strength of the zipper can be further improved; the narrow zipper cloth is arranged between the zipper teeth and the zipper cloth and is connected with the zipper cloth through gluing, and the narrow zipper cloth and the zipper cloth can be tightly connected in the connecting mode without damaging the sealing performance of the first zipper cloth and the narrow zipper cloth; sealing edges are arranged on the inner side edges of the first zipper cloth and the second zipper cloth, and when the zipper teeth are meshed, the sealing edges are tightly attached and closed, so that the zipper is in a sealing state; the connecting strength of the zipper cloth and the narrow zipper cloth is further improved by arranging the sewing thread between the zipper cloth and the narrow zipper cloth.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a cross-sectional view (closed element) of a double-layer element airtight zipper of the present invention;
fig. 2 is a cross-sectional view of the double-layer fastener element airtight zipper of the present invention (the fastener elements are not closed);
FIG. 3 is a cross-sectional view of the airtight double-layer zipper teeth zipper of the present invention (the side of the sealing edge is stepped);
fig. 4 is a cross-sectional view of the double-layer fastener element airtight zipper of the present invention (the sealing side surface is an inclined surface);
fig. 5 is a cross-sectional view of the double-layer fastener element airtight zipper of the present invention (the sealing edge side is a vertical plane);
fig. 6 is a cross-sectional view of the double-layer fastener element airtight zipper of the present invention (a sewing line is provided between the narrow zipper cloth on one side of the zipper cloth and the zipper cloth);
fig. 7 is a cross-sectional view of the double-layer zipper tooth airtight zipper of the present invention (stitches are provided between the narrow zipper cloth and the zipper cloth on both sides of the zipper cloth);
fig. 8 is a sectional view of the double-layer fastener element airtight zipper of the present invention;
fig. 9 is a sectional view of the double-layer zipper teeth airtight zipper of the present invention.
Labeled as: 1. a first zipper cloth; 2. a second zipper cloth; 3. a zipper tooth; 4. narrow zipper cloth; 5. sealing the edges; 6. and (4) sewing.
Detailed Description
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:
a double-layer zipper tooth airtight zipper comprises zipper cloth and zipper teeth 3, wherein the zipper cloth comprises a first zipper cloth 1 and a second zipper cloth 2, the zipper teeth 3 are arranged on two sides of the zipper cloth, a narrow zipper cloth 4 is arranged between the zipper teeth 3 and the zipper cloth, one side of the narrow zipper cloth 4 is fixed with the zipper cloth through gluing, the other side of the narrow zipper cloth 4 is fixed with the zipper teeth 3 through stitches 6, and sealing edges 5 are arranged on the opposite inner side edges of the first zipper cloth 1 and the second zipper cloth 2;
in the zipper, the zipper teeth 3 are arranged on both sides of the zipper cloth, so that the integral connection strength of the zipper can be further improved by meshing the zipper teeth 3 on both sides compared with the zipper teeth 3 arranged on one side; a narrow zipper cloth 4 is arranged between the zipper teeth 3 and the zipper cloth, the narrow zipper cloth 4 is connected with the zipper cloth through gluing, the narrow zipper cloth 4 can be tightly connected with the zipper cloth in a connection mode, and the sealing performance of the first zipper cloth 1 and the narrow zipper cloth 4 cannot be damaged; the inner side edges of the first zipper cloth 2 and the second zipper cloth 2 which are opposite are provided with sealing edges 5, and when the zipper teeth 3 are meshed, the sealing edges 5 are tightly closed, so that the zipper is in a sealing state.
Preferably, the opposite sides of the sealing edge 5 of the first zipper cloth 1 and the second zipper cloth 2 are both in an S-shaped arc shape, and the two are centrosymmetric; as shown in fig. 1 and 2, when the fastener elements 3 on both sides of the zipper cloth are engaged, the sealing edges 5 on the first zipper cloth 1 and the second zipper cloth 2 are close to each other and then closed to achieve the sealing effect, and the side surfaces of the sealing edges 5 are in an S-shaped arc shape, so that the sealing edges 5 can be locked and attached to each other more tightly when being attached, and the sealing performance is better.
Preferably, the opposite sides of the sealing edge 5 of the first zipper cloth 1 and the second zipper cloth 2 are both in a step shape, and the two are in central symmetry; as shown in fig. 3, when the zipper teeth 3 on both sides of the zipper cloth are engaged, the sealing edges 5 on the first zipper cloth 1 and the second zipper cloth 2 are close to each other and then closed to achieve the sealing effect, and the sealing edges 5 on the first zipper cloth 1 and the second zipper cloth are stepped, so that the sealing edges 5 are more compact during the engagement and the sealing effect is better.
Preferably, the opposite sides of the sealing edge 5 of the first zipper cloth 1 and the second zipper cloth 2 are inclined planes and are parallel to each other; as shown in fig. 4, when the zipper teeth 3 on both sides of the zipper cloth are engaged, the sealing edges 5 on the first zipper cloth 1 and the second zipper cloth 2 are close to each other and then closed to achieve the sealing effect, and the opposite sides of the sealing edges 5 of the first zipper cloth 1 and the second zipper cloth 2 are both inclined planes, so that the sealing edges 5 are more compact during the engagement and the sealing effect is better.
Preferably, the opposite sides of the sealing edge 5 of the first zipper cloth 1 and the second zipper cloth are vertical planes; as shown in fig. 5, when the zipper teeth 3 on both sides of the zipper cloth are engaged, the sealing edges 5 on the first zipper cloth 1 and the second zipper cloth 2 are close to each other and then closed to achieve the sealing effect, and the opposite sides of the sealing edges 5 of the first zipper cloth 1 and the second zipper cloth 2 are both vertical planes, so that the production and the processing are easy.
Preferably, a sewing thread 6 is arranged between the narrow zipper cloth 4 and the zipper cloth on one side of the zipper cloth, and the sewing thread 6 penetrates through the narrow zipper cloth 4 and the zipper cloth to fix the two; as shown in fig. 6, by providing the sewing thread 6 on one side of the fastener cloth, the strength of the connection between the narrow fastener cloth 4 on the one side and the fastener cloth is further enhanced, and the structure is simple and the cost is low.
Preferably, stitches 6 are arranged between the narrow zipper cloth 4 and the zipper cloth on the two sides of the zipper cloth, the stitches 6 penetrate through the narrow zipper cloth 4 and the zipper cloth to fix the narrow zipper cloth 4 and the zipper cloth, and the stitches 6 on the two sides are arranged in a staggered mode; the connecting strength between the narrow zipper cloth 4 on the two sides of the zipper cloth and the zipper cloth is further enhanced by arranging the stitches 6 on the two sides of the zipper cloth, as shown in fig. 7, on the first zipper cloth 1, the stitches 6 on the lower side are arranged on the left side, the stitches 6 on the upper side are arranged on the right side, the stitches 6 on the two sides are arranged in a staggered manner, on the second zipper cloth 2, the stitches 6 on the lower side are arranged on the right side, the stitches 6 on the upper side are arranged on the left side, and the stitches 6 on the two sides are arranged in a staggered manner, so that the stitches 6 on one side are prevented from being damaged by external force;
preferably, as shown in fig. 7, the narrow fastener tapes 4 on the upper sides of the first fastener tape 1 and the second fastener tape 2 cover the lower side stitches 6, so that water leakage due to the destruction of the sealability at the stitches 6 can be avoided.
Preferably, the zipper cloth is made of fiber, rubber or plastic composite materials, and the sealing edge is made of plastic elastomer materials; after the zipper cloth and the sealing edge are made of the materials, when the zipper teeth 3 on two sides of the zipper cloth are engaged, the sealing edges 5 of the first zipper cloth 1 and the second zipper cloth 2 are tightly attached and closed, so that a sealing effect can be achieved.
Example two:
a double-layer zipper tooth airtight zipper is shown in figure 8 and comprises zipper cloth and zipper teeth 3, wherein the zipper cloth comprises first zipper cloth 1 and second zipper cloth 2, the zipper teeth 3 are arranged on two sides of the zipper cloth, narrow zipper cloth 4 is arranged between one side of the zipper cloth and the zipper teeth 3, one side of the narrow zipper cloth 4 is fixed with the zipper cloth through gluing, the other side of the narrow zipper cloth 4 is fixed with the zipper teeth 3 through stitches 6, and sealing edges 5 are arranged on opposite inner side edges of the first zipper cloth 1 and the second zipper cloth 2;
preferably, the opposite sides of the sealing edge 5 of the first zipper cloth 1 and the second zipper cloth 2 are both in an S-shaped arc shape, and the two are centrosymmetric; as shown in fig. 8 and 9, when the fastener elements 3 on both sides of the zipper cloth are engaged, the sealing edges 5 on the first zipper cloth 1 and the second zipper cloth 2 are close to each other and then closed to achieve the sealing effect, and the side surfaces of the sealing edges 5 are in an S-shaped arc shape, so that the sealing edges 5 can be tightly locked and attached to each other during attachment, and the sealing performance is better.
Preferably, as shown in fig. 9, the width of the narrow fastener tape 4 is the same as the width of the fastener element 3, and the narrow fastener tape 4 can be hidden by the fastener element 3, thereby achieving an aesthetic effect.
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 (8)
1. The utility model provides an airtight zip fastener of double-deck chain tooth, includes draws zipper cloth and chain tooth, draw zipper cloth to include first zip fastener cloth and second and draw zipper cloth, its characterized in that: zipper cloth's both sides all are provided with the chain tooth, be provided with narrow zipper cloth between chain tooth and the zipper cloth, one side of narrow zipper cloth is fixed through gluing with zipper cloth, and narrow zipper cloth opposite side is fixed through the suture with the chain tooth, and the inboard edge relative on first zipper cloth and the second zipper cloth all is provided with the sealing edge.
2. The airtight slide fastener of claim 1, wherein: the opposite sides of the sealing edges of the first zipper cloth and the second zipper cloth are both in S-shaped arc shapes, and the first zipper cloth and the second zipper cloth are centrosymmetric.
3. The airtight slide fastener of claim 1, wherein: the opposite sides of the sealing edges of the first zipper cloth and the second zipper cloth are in a step shape, and the first zipper cloth and the second zipper cloth are in central symmetry.
4. The airtight slide fastener of claim 1, wherein: the opposite sides of the sealing edges of the first zipper cloth and the second zipper cloth are inclined planes and are parallel to each other.
5. The airtight slide fastener of claim 1, wherein: the opposite sides of the sealing edges of the first zipper cloth and the second zipper cloth are vertical planes.
6. The airtight slide fastener of claim 1, wherein: and a sewing thread is arranged between the narrow zipper cloth on one side of the zipper cloth and the zipper cloth, and penetrates through the narrow zipper cloth and the zipper cloth to fix the narrow zipper cloth and the zipper cloth.
7. The airtight slide fastener of claim 1, wherein: the narrow zipper cloth on the two sides of the zipper cloth and the zipper cloth are provided with stitches therebetween, the stitches penetrate through the narrow zipper cloth and the zipper cloth to fix the narrow zipper cloth and the zipper cloth, and the stitches on the two sides are arranged in a staggered mode.
8. The airtight slide fastener of claim 1, wherein: the zipper cloth is made of fiber, rubber or plastic composite materials, and the sealing edge is made of plastic elastomer materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020976868.6U CN213096492U (en) | 2020-06-01 | 2020-06-01 | Airtight zip fastener of double-deck chain tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020976868.6U CN213096492U (en) | 2020-06-01 | 2020-06-01 | Airtight zip fastener of double-deck chain tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213096492U true CN213096492U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020976868.6U Active CN213096492U (en) | 2020-06-01 | 2020-06-01 | Airtight zip fastener of double-deck chain tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213096492U (en) |
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2020
- 2020-06-01 CN CN202020976868.6U patent/CN213096492U/en active Active
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