CN213096491U - Novel airtight zipper - Google Patents

Abstract

The utility model discloses a novel airtight zipper, which comprises a first zipper cloth and a second zipper cloth, zipper teeth are arranged on the opposite sides of the first zipper cloth and the second zipper cloth, airtight coatings are further arranged on the first zipper cloth and the second zipper cloth, a zipper head is arranged between the first zipper cloth and the second zipper cloth and comprises an upper pressing plate and a lower pressing plate, a supporting core is arranged between the upper pressure plate and the lower pressure plate, the supporting core is arranged at the central position of the upper pressure plate and the lower pressure plate, the supporting core comprises an upper supporting core and a lower supporting core, the width of the upper supporting core is less than that of the lower supporting core, the novel airtight zipper of the utility model has strong connecting strength while having sealing performance, the friction force between the airtight coating on the first zipper cloth and the second zipper cloth and the zipper head can be reduced, and the abrasion of the airtight coating on the first zipper cloth and the second zipper cloth can be reduced.

Description

Novel airtight zipper

Technical Field

The utility model relates to a zip fastener technical field, specific theory relates to a novel airtight zip fastener.

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 a novel airtight zip fastener, when having sealing performance, joint strength is also enough strong to can reduce first zip fastener cloth and second and zip fastener cloth on airtight coating and the frictional force of drawing the zipper head and reduce the first wearing and tearing of zip fastener cloth and the airtight coating that draw on the second zip fastener cloth.

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

the utility model provides a novel airtight zip fastener, draws zipper cloth including first zip fastener cloth and second, first zip fastener cloth and second draw zipper cloth relative one side all to be provided with the chain tooth, all be provided with airtight coating on first zip fastener cloth and the second draw zipper cloth, draw zipper head still to be provided with between first zip fastener cloth and the second zip fastener cloth, draw zipper head to include top board and holding down plate, be provided with a core between top board and the holding down plate, it sets up in the central point of top board and holding down plate to prop up the core, prop up the core and include a core and a lower core, the width of going up a core is less than the width of lower core.

Furthermore, the inner side edges of the airtight coatings of the first zipper cloth and the second zipper cloth are oblique edges and are symmetrical to each other, and the two sides of the upper supporting core are oblique edges and are symmetrical to each other.

Further, the inner side edges of the airtight coatings of the first zipper cloth and the second zipper cloth are oblique edges and are parallel to each other, and the two sides of the upper supporting core are oblique edges and are parallel to each other.

Further the inboard edge of the airtight coating of first zip fastener cloth is provided with sealed concave button, the inboard edge of the airtight coating of second zip fastener cloth is provided with sealed protruding knot, and the opening of sealed concave button is less than the biggest external diameter of sealed protruding knot, the both sides of going up the core are vertical limit.

Further the inboard side of the airtight coating of first zip fastener cloth is provided with sealed recess, the inboard side of the airtight coating of second zip fastener cloth is provided with sealed lug, the width of sealed lug equals the width of sealed recess to sealed lug extension length equals the groove depth of sealed recess, the both sides of going up the core are vertical limit.

Furthermore, the two sides of the lower surface of the upper pressing plate are provided with upper enclosing baffles, the two sides of the upper surface of the lower pressing plate are provided with lower enclosing baffles, and the height of the upper enclosing baffles is larger than that of the lower enclosing baffles.

Further, the airtight coating is made of rubber.

Furthermore, the tail end of the pull nose is of a hook-shaped structure.

Further, the length of the upper supporting core is larger than that of the lower supporting core.

The utility model provides a novel airtight zip fastener, draws zipper cloth including first zip fastener cloth and second, first zip fastener cloth and second draw zipper cloth relative one side all to be provided with the chain tooth, all be provided with airtight coating on zipper cloth and the second draws zipper cloth, airtight coating draws zipper cloth and second to draw zipper cloth to go up to extend to cover on the chain tooth, draw zipper head still to be provided with between zipper cloth and the second draw zipper cloth, draw zipper head including drawing nose, top board and holding down plate, be provided with a core between top board and the holding down plate, a core sets up in the central point of top board and holding down plate and puts, a core includes top branch core and holding down core, the width of top branch core is greater than the width of holding down core.

Compared with the prior art, the beneficial effects of the utility model are that: the airtight coatings are arranged on the first zipper cloth and the second zipper cloth, the airtight coatings on the first zipper cloth and the second zipper cloth are extruded and closed when the zipper teeth on the first zipper cloth and the second zipper cloth are connected, the connection of the zipper teeth ensures the connection strength of the zipper, the zipper is sealed by the closing of the airtight coatings, the support core of the zipper puller comprises an upper support core and a lower support core, the upper support core is used for separating the airtight coatings, the lower support core is used for separating the zipper teeth, the width of the upper support core is smaller than that of the lower support core, so when the airtight coatings (zipper teeth) on the first zipper cloth and the second zipper cloth are closed or separated by the zipper puller, the friction of the airtight coatings on the first zipper cloth and the second zipper cloth can be reduced, the zipper puller cannot be clamped due to overlarge friction force with the airtight coatings on the first zipper cloth and the second zipper cloth in the use process and cannot cause overlarge abrasion to the airtight coatings on the first zipper cloth and the second zipper cloth, and draw the draw zipper head after often using and draw the nose can with the top board clearance grow, draw the nose end to be provided with the crotch, can prevent that the pulling-on piece from droing.

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 front view of a novel airtight zipper of the present invention;

FIG. 2 is a rear view of the novel airtight zipper of the present invention;

fig. 3 is a schematic view of the fastener elements and the airtight coating on the first fastener cloth and the second fastener cloth (inner side edges are oblique lines and are symmetrical to each other);

FIG. 4 is a schematic view showing the coupling of the fastener elements and the closure of the airtight coating on the first fastener cloth and the second fastener cloth;

fig. 5 is a front view of the slider (both sides of the upper core are oblique sides and symmetrical to each other);

fig. 6 is a schematic view of the fastener elements and the airtight coating on the first fastener cloth and the second fastener cloth (inner side edges are oblique lines and are parallel to each other);

FIG. 7 is a schematic view showing the coupling of the fastener elements and the closure of the airtight coating on the first fastener cloth and the second fastener cloth;

fig. 8 is a front view of the slider (both sides of the upper core are oblique sides and are parallel to each other);

fig. 9 is a schematic view of the zipper teeth and the airtight coating on the first zipper cloth and the second zipper cloth (the inner side of the airtight coating on the first zipper cloth is provided with a sealing concave buckle, and the inner side of the airtight coating on the second zipper cloth is provided with a sealing convex buckle);

fig. 10 is a schematic view showing the coupling of the fastener elements and the closure of the airtight coating on the first fastener cloth and the second fastener cloth;

fig. 11 is a schematic view of the zipper teeth and the airtight coating on the first zipper cloth and the second zipper cloth (the inner side of the airtight coating on the first zipper cloth is provided with a sealing groove, and the inner side of the airtight coating on the second zipper cloth is provided with a sealing bump);

fig. 12 is a schematic view showing the coupling of the fastener elements and the closure of the airtight coating on the first fastener cloth and the second fastener cloth;

fig. 13 is a front view of the slider (both sides of the upper core are vertical sides);

fig. 14 is a perspective view of the slider;

fig. 15 is a side view of the slider;

fig. 16 is a schematic view showing the coupling of the fastener elements and the closure of the airtight coating on the first fastener cloth and the second fastener cloth;

fig. 17 is a front view of the slider.

Labeled as: 1. a slider of a zipper fastener; 11. an upper pressure plate; 12. a lower pressing plate; 13. an upper core; 14. a lower core; 15. an upper enclosure; 16. a lower enclosure; 17. pulling a nose; 2. a first zipper cloth; 21. an airtight coating on the first zipper cloth; 3. a second zipper cloth; 31. an airtight coating on the second zipper cloth; 4. the zipper teeth.

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 novel airtight zipper of the present invention will be further described with reference to fig. 1 to 17.

The utility model provides a novel airtight zip fastener, draws zipper cloth 3 including first zip fastener cloth 2 and second, first zip fastener cloth 2 and second draw zipper cloth 3 relative one side all to be provided with chain tooth 4, all be provided with airtight coating on first zip fastener cloth 2 and the second draw zipper cloth 3, first zip fastener cloth 2 and second draw zipper cloth 3 between still be provided with and draw zipper head 1, draw zipper head 1 to include top board 11 and holding down plate 12, be provided with a core between top board 11 and the holding down plate 12, a core sets up in the central point of top board 11 and holding down plate 12 and puts, a core includes top branch core 13 and holding down core 14, the width of top branch core 13 is less than the width of holding down core 14.

The zipper head 1 is used for being meshed with the zipper teeth 4 on the first zipper cloth 2 and the second zipper cloth 3, the airtight coatings on the first zipper cloth 2 and the second zipper cloth 3 can be squeezed and then sealed in a closed mode, the airtight coatings of the first zipper cloth 2 and the second zipper cloth 3 are separated by the upper support core 13 of the zipper head 1, the zipper teeth 4 on the first zipper cloth 2 and the second zipper cloth 3 are separated by the lower support core 14, and because the width of the upper support core 13 is smaller than that of the lower support core 14, although the inner sides of the airtight coatings on the first zipper cloth 2 and the second zipper cloth 3 can exceed the edges of the zipper teeth 4 on the first zipper cloth 2 and the second zipper cloth 3, the airtight coatings on the first zipper cloth 2 and the second zipper cloth 3 cannot be subjected to large friction force, and abrasion cannot be aggravated.

Preferably, the inner side edges of the airtight coatings of the first zipper cloth 2 and the second zipper cloth 3 are both beveled and symmetrical with each other, as shown in fig. 3; both sides of the upper supporting core 13 are oblique sides and are symmetrical to each other, as shown in fig. 5, the shapes of both sides of the upper supporting core 13 are matched with the shapes of the inner sides of the airtight coatings of the first zipper cloth 2 and the second zipper cloth 3, and friction and abrasion of the airtight coatings of the first zipper cloth 2 and the second zipper cloth 3 are reduced to the greatest extent.

Preferably, the inner side edges of the airtight coatings of the first zipper cloth 2 and the second zipper cloth 3 are both beveled and parallel to each other, as shown in fig. 6, the two sides of the upper support core 13 are both beveled and parallel to each other, as shown in fig. 8, the shapes of the two sides of the upper support core 13 are matched with the shapes of the inner side edges of the airtight coatings of the first zipper cloth 2 and the second zipper cloth 3, and friction and abrasion of the airtight coatings of the first zipper cloth 2 and the second zipper cloth 3 are reduced to the greatest extent.

Preferably, a sealing concave buckle is arranged on the inner side edge of the airtight coating 21 of the first zipper cloth, a sealing convex buckle is arranged on the inner side edge of the airtight coating 31 of the second zipper cloth, an opening of the sealing concave buckle is smaller than the maximum outer diameter of the sealing convex buckle, the opening of the sealing concave buckle is smaller than the maximum outer diameter of the sealing convex buckle, so that complete contact can be ensured when the sealing concave buckle and the sealing convex buckle are closed, and the sealing performance is improved, as shown in fig. 9, the sealing concave buckle is a C-shaped concave buckle, and the sealing convex buckle is a semicircular convex buckle; the two sides of the upper support core 13 are vertical edges, as shown in fig. 13, the shapes of the two sides of the upper support core 13 are matched with the shapes of the inner sides of the airtight coatings of the first zipper cloth 2 and the second zipper cloth 3, and friction and abrasion of the airtight coatings of the first zipper cloth 2 and the second zipper cloth 3 are reduced to the greatest extent.

Preferably, a sealing groove is formed in the inner side of the airtight coating 21 of the first zipper cloth, a sealing protrusion is formed in the inner side of the airtight coating 31 of the second zipper cloth, the width of the sealing protrusion is equal to the width of the sealing groove, and the protruding length of the sealing protrusion is equal to the depth of the sealing groove, as shown in fig. 11, when the sealing protrusion and the sealing groove are closed, the sealing protrusion just extends into the sealing groove to form a sealing structure; go up the both sides of branch core 13 and be vertical limit, go up the shape of branch core 13 both sides and the shape cooperation of the inboard side of the airtight coating of first zip fastener cloth 2 and second zip fastener cloth 3, the friction and the wearing and tearing that the airtight coating that furthest reduced first zip fastener cloth 2 and second zip fastener cloth 3 received.

Preferably, both sides of the lower surface of the upper press plate 11 are provided with upper barriers 15, both sides of the upper surface of the lower press plate 12 are provided with lower barriers 16, the height of the upper barriers 15 is greater than the height of the lower barriers 16, as shown in fig. 13, the upper barriers 15 and the lower barriers 16 form a threading seam in the middle, the first zipper cloth 2 and the second zipper cloth 3 are placed in the threading seam, and the height of the upper barriers 15 is greater than the height of the lower barriers 16, so that the zipper teeth 4 under the first zipper cloth 2 and the second zipper cloth 3 can be tightly engaged.

Preferably, the airtight coating is made of rubber having reversible deformation capability, and is compressed to be deformed and then closed to seal the hermetic slide fastener when the coupling elements 4 are coupled, and is restored to its original shape when the coupling elements 4 are separated, and the rubber itself has excellent water resistance, abrasion resistance and airtightness.

Preferably, as shown in fig. 15, a hook is arranged at the end of the pull nose 17, the hook is a semicircular hook, a semicircular opening of the hook faces the front side of the zipper head, after the zipper head is frequently used, a gap between the end of the pull nose 17 and the upper press plate is enlarged, and the hook is arranged at the end of the pull nose 17, so that the pull piece can be prevented from falling off.

Preferably, as shown in fig. 15, the length of the upper core 13 is greater than the length of the lower core 14.

A novel airtight zipper comprises a first zipper cloth 2 and a second zipper cloth 3, wherein zipper teeth 4 are arranged on one side of the first zipper cloth 2 opposite to the second zipper cloth 3, airtight coatings are arranged on the first zipper cloth 2 and the second zipper cloth 3 respectively, the airtight coatings extend from the first zipper cloth 2 and the second zipper cloth 3 to cover the zipper teeth 4, a zipper head 1 is further arranged between the first zipper cloth 2 and the second zipper cloth 3, the zipper head 1 comprises a zipper nose 17, an upper pressing plate 11 and a lower pressing plate 12, a support core is arranged between the upper pressing plate 11 and the lower pressing plate 12, the support core is arranged at the central position of the upper pressing plate 11 and the lower pressing plate 12 and comprises an upper support core 13 and a lower support core 14, and the width of the upper support core 13 is larger than that of the lower support core 14;

as shown in fig. 16, the side where the airtight coating is located is the front side facing the outside, the airtight coating extends from the first zipper cloth 2 and the second zipper cloth 3 to cover the zipper teeth 4, so that the zipper teeth 4 can be hidden, the zipper head 1 is matched with the zipper teeth 4, the pull nose 17 of the zipper head 1 is located at the side where the first zipper cloth 2 and the second zipper cloth 3 are located, therefore, the zipper teeth 4 are matched with the upper support core 13 of the zipper head 1, and the airtight coating is matched with the lower support core 14 of the zipper head 1.

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 (10)

1. The utility model provides a novel airtight zip fastener, draws zipper cloth including first zip fastener cloth and second, first zip fastener cloth and second draw zipper cloth relative one side all to be provided with the chain tooth, all be provided with airtight coating on first zip fastener cloth and the second zip fastener cloth, still be provided with between first zip fastener cloth and the second zip fastener cloth and draw zipper head, its characterized in that: the zipper head comprises a pull nose, an upper pressing plate and a lower pressing plate, a support core is arranged between the upper pressing plate and the lower pressing plate, the support core is arranged at the center of the upper pressing plate and the center of the lower pressing plate, the support core comprises an upper support core and a lower support core, and the width of the upper support core is smaller than that of the lower support core.

2. The novel airtight zipper as set forth in claim 1, wherein: the inner side edges of the airtight coatings of the first zipper cloth and the second zipper cloth are oblique edges and are symmetrical to each other, and the two sides of the upper supporting core are oblique edges and are symmetrical to each other.

3. The novel airtight zipper as set forth in claim 1, wherein: the inner side edges of the airtight coatings of the first zipper cloth and the second zipper cloth are oblique edges and are parallel to each other, and the two sides of the upper supporting core are oblique edges and are parallel to each other.

4. The novel airtight zipper as set forth in claim 1, wherein: the inner side edge of the airtight coating of the first zipper cloth is provided with a sealing concave buckle, the inner side edge of the airtight coating of the second zipper cloth is provided with a sealing convex buckle, the opening of the sealing concave buckle is smaller than the maximum outer diameter of the sealing convex buckle, and two sides of the upper support core are vertical edges.

5. The novel airtight zipper as set forth in claim 1, wherein: the inner side of the airtight coating of the first zipper cloth is provided with a sealing groove, the inner side of the airtight coating of the second zipper cloth is provided with a sealing lug, the width of the sealing lug is equal to the width of the sealing groove, the extending length of the sealing lug is equal to the groove depth of the sealing groove, and two sides of the upper support core are vertical edges.

6. The novel airtight zipper as claimed in claim 2, 3, 4 or 5, wherein: the lower surface both sides of top board are provided with and enclose the fender, the upper surface both sides of holding down plate are provided with down and enclose the fender, it is higher than the height that encloses the fender down to enclose the fender on enclosing.

7. The novel airtight zipper of claim 6, wherein: the airtight coating is made of rubber.

8. The novel airtight zipper as set forth in claim 1, wherein: the tail end of the pull nose is provided with a hook which is a semicircular hook, and a semicircular opening of the hook faces to the front side of the zipper head.

9. The novel airtight zipper as set forth in claim 1, wherein: the length of the upper supporting core is greater than that of the lower supporting core.

10. The utility model provides a novel airtight zip fastener, draws zipper cloth including first zip fastener cloth and second, first zip fastener cloth and second draw zipper cloth relative one side all to be provided with the chain tooth, all be provided with airtight coating on first zip fastener cloth and the second zip fastener cloth, airtight coating draws zipper cloth and second to draw zipper cloth to go up to extend and cover on the chain tooth, still be provided with between first zip fastener cloth and the second zip fastener cloth and draw zipper head, its characterized in that: the zipper head comprises a pull nose, an upper pressing plate and a lower pressing plate, a support core is arranged between the upper pressing plate and the lower pressing plate, the support core is arranged at the center of the upper pressing plate and the center of the lower pressing plate, the support core comprises an upper support core and a lower support core, and the width of the upper support core is larger than that of the lower support core.

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