CN212545911U

CN212545911U - Waterproof airtight zip fastener

Info

Publication number: CN212545911U
Application number: CN202020896365.8U
Authority: CN
Inventors: 骆炳华; 谭徽民
Original assignee: Quanzhou Xinheng Outdoor Equipment Co ltd
Current assignee: Quanzhou Xinheng Outdoor Equipment Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-02-19
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to the field of zipper products, in particular to a waterproof airtight zipper, which comprises a left belt body, a right belt body and zipper heads arranged on the left belt body and the right belt body, wherein one side of the left belt body adjacent to the right belt body is provided with a sealing base, more than two groups of sealing assemblies are uniformly distributed on the sealing base along the thickness direction of the sealing base, and each sealing assembly comprises a first sealing bulge and a second sealing bulge; when the zipper is closed, a first sealing groove used for clamping the first sealing bulge is formed between every two adjacent second sealing bulges, and a second sealing groove used for clamping the second sealing bulge is formed between every two adjacent first sealing bulges. The utility model discloses be applied to during waterproof airtight zip fastener product, provide a structural strength big, be difficult for stagger leading to the waterproof airtight zip fastener structure of cooperation inefficacy between the chain because of the chain belt slides each other.

Description

Waterproof airtight zip fastener

Technical Field

The utility model relates to a zip fastener product field, concretely relates to waterproof airtight zip fastener.

Background

In the prior art, as shown in CN 105495876 a, a waterproof sealing separating zipper is preferred, which comprises: the first chain belt and the second chain belt are respectively provided with a first track part and a second track part which are used for mutually linking the two chain belts at the opposite closed sides; a sliding component which is combined between the first track part and the second track part in a sliding way and drives the first track part and the second track part to be linked or separated with each other; the square block is combined at the tail end of the first track part of the first chain belt and provides the function of inserting and fixing the tail end of the second track part of the second chain belt; and the first track part is provided with a convex part, the second track part is provided with a concave part corresponding to the convex part, and the convex part is embedded into the concave part when one end of the second track part is inserted into the square block.

The zipper structure of the technical scheme mainly adopts two zipper belts made of plastics, the corresponding surfaces of the zipper belts respectively form a track part, and each track part forms a convex rail and a groove, so that the track parts of the two zipper belts are connected through a zipper head, and the track parts of the two zipper belts can be mutually linked (occluded) or separated when the zipper head is slid. However, the slide fastener of this structure does not have the function of resisting the axial misalignment of the element engaging structure, and when a force is applied in the longitudinal direction of the slide fastener, the two fastener tapes are easily displaced by sliding and are misaligned, so that the slide fastener is opened.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a waterproof airtight zip fastener has solved two chain belts of current zip fastener and has received external force easily and slide each other and stagger the problem that leads to the cooperation inefficacy between the chain belt.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a waterproof airtight zipper comprises a left belt body, a right belt body and zipper heads arranged on the left belt body and the right belt body, wherein sealing bases are arranged on one adjacent side of the left belt body and the right belt body, more than two groups of sealing assemblies are uniformly distributed on each sealing base along the thickness direction of the sealing base, and each sealing assembly comprises a first sealing bulge and a second sealing bulge; when the zipper is closed, a first sealing groove used for clamping the first sealing bulge is formed between every two adjacent second sealing bulges, and a second sealing groove used for clamping the second sealing bulge is formed between every two adjacent first sealing bulges.

Preferably, there are two sets of seal assembly along its thickness direction equipartition on the sealed base, the right side is provided with two first sealed archs on the area body, forms a second sealed recess between two adjacent first sealed archs, the second sealed arch by three equipartition corresponds on the area body of the left side and is formed with two first sealed recesses, and when the zip fastener chain was fashionable, two first sealed protruding card is put in first sealed recess, is located the centre the sealed protruding card of second is put in the sealed recess of second.

Preferably, there are two sets of seal assembly along its thickness direction equipartition on the sealed base, it is protruding that a first sealed arch and two second are sealed to have set gradually from top to bottom on the area body of a left side, it is protruding that two corresponding second seal arch and a first sealed arch to set gradually from top to bottom on the area body of a right side.

Preferably, the first sealing protrusion is uniformly provided with a plurality of protruding blocks for preventing the axial staggering of the zipper, and the first sealing groove is internally provided with a clamping groove matched with each protruding block.

Preferably, the cross section of the first sealing protrusion is spherical.

Preferably, when the zipper is closed, the upper end and the lower end of the sealing base on the left belt body and the right belt body are positioned on the same horizontal plane.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the utility model provides an improved seal structure, through the structure that sets up multiunit seal assembly between the left side area body and the right side area body, form the first sealed arch that the shape that sets up at zip fastener thickness direction is different, first seal groove cooperation and the sealed arch of second, two kinds of sealed forms of second seal groove complex, and two kinds of sealed forms are mutually supported, supplement, structurally compare in the multiunit duplication and adopt the seal structure of same form can have stronger structural stability, seal assembly can bear bigger axial force, it leads to the function of cooperation inefficacy between the seal assembly to have more powerful anti-skidding dislocation.

Drawings

Fig. 1 is a schematic cross-sectional structural view (after separation and linkage) of a first embodiment of the present invention;

fig. 2 is a schematic sectional structure diagram of a second embodiment of the present invention;

fig. 3 is a schematic sectional structure diagram of a third embodiment of the present invention;

fig. 4 is a schematic view of a distribution structure of the bumps and the slots according to a third embodiment of the present invention.

Detailed Description

The following detailed description will be given with reference to specific embodiments, so as to solve the technical problems by applying technical means, and to fully understand and implement the technical effects of the present invention.

Example one

Referring to fig. 1, a waterproof airtight zipper comprises a left belt body 1, a right belt body 2 and zipper sliders (not shown in the figure) arranged on the left belt body 1 and the right belt body 2, wherein the left belt body 1 and the right belt body 2 are made of waterproof airtight materials, a sealing base 3 is arranged on one side of the left belt body 1 adjacent to the right belt body 2, two groups of sealing assemblies 4 are uniformly distributed on the sealing base 3 along the thickness direction of the sealing base, and each sealing assembly 4 comprises a first sealing bulge 41 and a second sealing bulge 42; when the zipper is closed, a first sealing groove 51 for clamping the first sealing protrusion 41 is formed between two adjacent second sealing protrusions 42, and a second sealing groove 52 for clamping the second sealing protrusion 42 is formed between two adjacent first sealing protrusions 41;

in this embodiment, there are two sets of seal assembly 4 along its thickness direction equipartition on the sealed base 3, it is concrete, be provided with two first sealed archs 41 on the right side area body 2, form a sealed recess 52 of second between the two adjacent first sealed archs 41, the second sealed protruding 42 correspondence by three equipartition on the left side area body 1 is formed with two first sealed recesses 51, and when the zip fastener chain was fashionable, two first sealed protruding 41 card is put in first sealed recess 51, is located the centre the sealed protruding 42 card of second is put in second sealed recess 52. Specifically, the first sealing protrusion 41 is arranged on the right belt body 2, the second sealing protrusion 42 is arranged on the left belt body 1, and the sealing assemblies 4 on the left belt body 1 and the right belt body 2 are designed in different structures;

when the zipper is in a closed state, the upper end and the lower end of the sealing base 3 on the left belt body 1 and the right belt body 2 are positioned on the same horizontal plane, namely, when the zipper is in a closed state, the sealing base 3 and the sealing assembly 4 between the left belt body 1 and the right belt body 2 are matched and then are in a plane structure at the upper end and the lower end; the structure can reduce the probability of medium entering from the gap by reducing the matching gap between the sealing components, and simultaneously reduces the occurrence of the condition that the gap is enlarged due to the action of foreign objects;

specifically, the cross section of the first sealing protrusion 41 is spherical; correspondingly, the first sealing groove 51 is also in a spherical groove-shaped structure; the second sealing bulges 42 are of a convex structure with edges, the thickness of the end part of the second sealing bulge 42 is slightly larger than that of the root part of the second sealing bulge, the second sealing bulge 42 is embedded between the two first sealing bulges 41, the three second sealing bulges 42 and the two first sealing bulges 41 are mutually restricted after the zipper is closed, the structure is stable, and the spherical cross section structure is more beneficial to the zipper closing of the zipper.

Example two

Referring to fig. 2, compare with the embodiment, there are two sets of seal assembly 4 along its thickness direction equipartition on the sealed base 3, a first sealed arch 41 and two second sealed archs 42 have set gradually from top to bottom on the left side area body 1, two corresponding second sealed archs 42 and a first sealed arch 41 have set gradually from top to bottom on the right side area body 2. In this embodiment, the left belt body and the right belt body are in a central symmetrical structure, the first sealing protrusion 41 and the adjacent second sealing protrusion 42 form a second sealing groove 52, the second sealing protrusion 42 located at the middle position is embedded in the second sealing protrusion, and two sets of sealing connection structures are formed in the middle of the left belt body 1 and the right belt body 2.

By adopting the structure, in production, the parameters of a set of die can be adopted to participate in the production of the sealing components on the left belt body and the right belt body, so that the investment of research and development energy is reduced; meanwhile, the produced product has the same bearing strength no matter from the front or the back of the zipper, and is suitable for more application occasions; compared with the first embodiment, under the condition that the thickness of the sealing assembly is not increased, a group of sealing connection structures are additionally arranged, and the sealing performance and the structural strength of the product are further improved.

EXAMPLE III

Referring to fig. 3 and 4, compared with the first embodiment, a plurality of protrusions 411 for preventing axial misalignment of the zipper are uniformly disposed on the first sealing protrusion 41, and a slot 511 (only a part of the zipper is shown in fig. 4, so only 5 protrusions 411 and 5 slots 511 are shown) which is matched with each protrusion 411 is disposed in the first sealing groove 51. Specifically, each of the bumps 411 is disposed at an end of the first sealing protrusion 41 away from the sealing base 3, and after the zipper is closed, each of the bumps 411 is respectively embedded in the corresponding slot 511, so as to form a plurality of sets of locking structures in the axial direction of the zipper, thereby preventing the zipper from being staggered due to axial force, and further improving the stability of the zipper structure.

The embodiment only shows a position form of the protrusion 411, and on the premise of meeting processing possibility and use requirements, the positions of the protrusion 411 and the slot 511 can be set as required, so that multiple groups of clamping structures can be formed in the axial direction of the zipper.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a waterproof airtight zip fastener, includes the left side area body, the right side area body and locates the zipper head on the left side area body, the right side area body, its characterized in that: the side, adjacent to the right belt body, of the left belt body is provided with a sealing base, more than two groups of sealing assemblies are uniformly distributed on the sealing base along the thickness direction of the sealing base, and each sealing assembly comprises a first sealing bulge and a second sealing bulge;

when the zipper is closed, a first sealing groove used for clamping the first sealing bulge is formed between every two adjacent second sealing bulges, and a second sealing groove used for clamping the second sealing bulge is formed between every two adjacent first sealing bulges.

2. The waterproof airtight zipper of claim 1, wherein: the first sealing bulge is uniformly provided with a plurality of lugs for preventing the axial staggering of the zipper, and a clamping groove matched with each lug is arranged in the first sealing groove.

3. The waterproof airtight zipper of claim 2, wherein: the section of the first sealing bulge is in a spherical shape.

4. The waterproof airtight zipper of claim 1, 2 or 3, wherein: two groups of sealing assemblies are uniformly distributed on the sealing base along the thickness direction of the sealing base, two first sealing bulges are arranged on the right belt body, a second sealing groove is formed between every two adjacent first sealing bulges, two first sealing grooves are correspondingly formed on the left belt body by the second sealing bulges of the three uniform distributions, and when a zipper is chained, the first sealing bulges are clamped in the first sealing grooves and positioned in the middle of the second sealing bulges and are clamped in the second sealing grooves.

5. The waterproof airtight zipper of claim 1, 2 or 3, wherein: the last edge of sealed base has two sets of seal assembly along its thickness direction equipartition, it is protruding that a first sealed arch and two second are sealed to have set gradually from top to bottom on the left side area body, it is protruding that two corresponding second are sealed and a first sealed arch to have set gradually from top to bottom on the right side area body.

6. The waterproof airtight zipper of claim 1, 2 or 3, wherein: when the zipper is closed, the upper end and the lower end of the sealing base on the left belt body and the right belt body are positioned on the same horizontal plane.