CN219939887U

CN219939887U - Nylon airtight zipper

Info

Publication number: CN219939887U
Application number: CN202321487417.6U
Authority: CN
Inventors: 朱法林; 昊艺谦; 叶映源
Original assignee: Zhongshan Kemis Airtight Zipper Co ltd
Current assignee: Zhongshan Kemis Airtight Zipper Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-11-03
Anticipated expiration: 2033-06-12

Abstract

The utility model discloses a nylon airtight zipper, which comprises a chain belt, wherein the lower end of the chain belt is fixedly provided with a down-to-plate, the upper end of the chain belt is fixedly provided with an up-to-plate, and the chain belt is also uniformly provided with sprocket blocks; further comprises: the upper pull head is arranged on the front side of the chain belt, the rear side of the upper pull head is provided with a lower pull head, the lower pull head and the upper pull head are in contact with an upper plate to realize a sealing effect, and guide plates are fixed on the lower pull head and the upper pull head; the pull head lock is fixed on the front end face of the upper pull head, and a pull tab is connected to the pull head lock. This airtight zip fastener of nylon divides the tooth and divides the sprocket through dividing the split tooth into, and divide the length of tooth to be greater than and divide the length of sprocket, thereby form one and get up, the separating mechanism of tandem, and then improve the convenience that the zip fastener opened and shut, and through built-in roof structure, can play the function of compressing tightly the sprocket piece when merging the zip fastener, thereby broken the whole height of chain body must be greater than the forcing border that the pull head inner chamber just can not explode the chain.

Description

Nylon airtight zipper

Technical Field

The utility model relates to the technical field of nylon airtight zippers, in particular to a nylon airtight zipper.

Background

The zipper is an accessory used for opening and closing products such as clothes or bags, the airtight zipper is one of the nylon airtight zippers, and the height of the middle seam is increased through an elastic sealing material by pouring the elastic sealing material into the zipper seam, so that the sealing effect is realized when the zippers are combined, the windproof and waterproof effects of the zipper are further realized, the zipper is widely used in waterproof bags, underwater photography bags, swimming calcareous bags, water walking balls and other products, and the nylon airtight zipper is one of the nylon airtight zippers, but the existing nylon airtight zipper has some defects in practical use;

1. the sealing zipper realizes gap filling by pouring the elastic sealing material, so that the sealing effect is realized, after the zippers are combined, the zipper teeth are tightly meshed due to the elastic effect of the elastic sealing material, so that the airtight zipper is inconvenient to open after being combined;

2. when the zippers are combined, the height of the middle seam is increased by the elastomer material, so that the phenomenon of tooth explosion is easy to occur after the zippers are combined, and the normal use of the zippers is affected;

therefore, a nylon airtight zipper is required to be designed to better meet the actual use requirements.

Disclosure of Invention

The utility model aims to provide a nylon airtight zipper, which solves the problems that the zipper is inconvenient to open after being combined and the zipper is easy to generate a tooth explosion phenomenon when being combined in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the nylon airtight zipper comprises a chain belt, wherein a down plate is fixed at the lower end of the chain belt, an up plate is fixed at the upper end of the chain belt, and sprocket blocks are uniformly arranged on the chain belt;

further comprises:

the upper pull head is arranged on the front side of the chain belt, the rear side of the upper pull head is provided with a lower pull head, the lower pull head and the upper pull head are in contact with an upper plate to realize a sealing effect, and guide plates are fixed on the lower pull head and the upper pull head;

the pull head lock is fixed on the front end face of the upper pull head, and a pull tab is connected to the pull head lock;

waterproof cloth is fixed at the chain belt rear end face, and waterproof cloth is located lower pull head rear side.

Preferably, the front end face of the sprocket block is also fixed with a sealing rubber cushion, and the sealing rubber cushion contacts on the left sprocket block and the right sprocket block to realize sealing action, so that the one-time sealing waterproof of the zipper can be realized through the sealing action between the sealing rubber cushion, and the waterproof effect of the zipper is ensured.

Preferably, the upper pull head is also fixed with a glue distributing tooth, the lower end of the glue distributing tooth is of a conical structure, the glue distributing tooth can slide in contact with the sealing rubber cushion, and the two groups of sealing rubber cushion can be separated in advance when the zipper is pulled open through the action of the glue distributing tooth, so that the zipper is convenient to open and close better.

Preferably, the lower pull head is also provided with a chain dividing tooth and a top plate;

the chain dividing teeth are fixed on the lower pull head and can slide when contacting with the chain tooth blocks;

the top plate is fixed on the lower slider, and the top plate can slide in contact with the rear end surface of the sprocket block, the separation of the sprocket block can be realized when the zipper is opened through the action of the split sprocket, and pressure can be provided for the sprocket block when the zipper is closed through the action of the top plate, so that the normal occlusion of the sprocket block is ensured, and the phenomenon of tooth explosion is avoided.

Preferably, the split teeth are fixedly connected with each other, the length and the width of the split teeth are larger than those of the split teeth, and the base guarantee can be provided for better opening and closing of the zipper by limiting the sizes of the split teeth and the split teeth.

Preferably, the guide plates are symmetrically distributed left and right about the central line of the upper pull head, and are of an inclined structure, and normal matching between the sprocket blocks can be ensured through the inclined guiding function of the guide plates.

Preferably, the pull tab and the pull head lock are connected in a sleeved mode, so that the pull tab can move in any direction, the surface of the pull tab is of an anti-slip rough structure, and the friction force between the pull tab and a human hand can be effectively increased through the rough structure of the surface of the pull tab, so that the pull of the zipper is facilitated.

Preferably, magnets are further fixed on the waterproof cloth, the waterproof cloth and the magnets are distributed left and right with respect to the center line of the lower pull head, a magnetic attraction structure is formed between the magnets of the left and right groups of waterproof cloth, and the matching sealing of the two groups of magnets can be realized through the magnetic attraction effect between the magnets, so that the secondary sealing waterproof effect is realized.

Compared with the prior art, the utility model has the beneficial effects that: this airtight zip fastener of nylon divides the tooth into the tooth of gluing and divides the sprocket through splitting, and divide the tooth length of gluing to form one and get up, the separating mechanism of tandem, and then improve the convenience that the zip fastener opened and shut, and through built-in roof structure, can play the function of compressing tightly the sprocket piece when merging the zip fastener, thereby broken the whole height of chain body must be greater than the forcing that the pull head inner chamber just can not explode the chain, in sum, this airtight zip fastener of nylon has effectively solved the big and explosive tooth's of pull resistance problem of current sealed zip fastener, thereby realize the improvement effect of the airtight zip fastener of nylon.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the zipper of the present utility model;

FIG. 2 is a schematic top view of the pull-up head of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic top view of a lower slider according to the present utility model;

fig. 5 is a schematic diagram of a three-dimensional structure formed by a lower slider and an upper slider according to the present utility model.

In the figure: 1. a chain belt; 2. down to the plate; 3. up to the plate; 4. sprocket block; 401. sealing rubber cushion; 5. a pull-up head; 501. dividing rubber teeth; 6. a pull-down head; 601. a sprocket; 602. a top plate; 7. a guide plate; 8. a slider lock; 9. a pull tab; 10. waterproof cloth; 1001. a magnet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the nylon airtight zipper comprises a zipper belt 1, wherein a lower end of the zipper belt 1 is fixedly provided with a lower plate 2, an upper plate 3 is fixedly provided with an upper end of the zipper belt 1, and zipper teeth 4 are uniformly arranged on the zipper belt 1; further comprises: the upper pull head 5 is arranged at the front side of the chain belt 1, the rear side of the upper pull head 5 is provided with a lower pull head 6, the lower pull head 6 and the upper pull head 5 are contacted with the upper plate 3 to realize sealing effect, and the lower pull head 6 and the upper pull head 5 are both fixed with a guide plate 7; the pull head lock 8 is fixed on the front end face of the upper pull head 5, and a pull tab 9 is connected to the pull head lock 8; a waterproof cloth 10 is fixed on the rear end surface of the chain belt 1, and the waterproof cloth 10 is positioned at the rear side of the lower slider 6.

The front end face of the sprocket block 4 is also fixed with a sealing rubber pad 401, and the sealing rubber pads 401 on the left and right sets of sprocket blocks 4 can realize sealing effect by contact; the guide plates 7 are symmetrically distributed on the left and right sides of the central line of the upper pull head 5, and the guide plates 7 are of an inclined structure; the pull tab 9 is connected with the pull head lock 8 in a sleeving manner, so that the pull tab 9 can move in any direction, and the surface of the pull tab 9 is of an anti-skid rough structure; magnets 1001 are also fixed on the waterproof cloth 10, the waterproof cloth 10 and the magnets 1001 are distributed left and right about the central line of the lower pull head 6, and a magnetic structure is formed between the magnets 1001 of the left and right waterproof cloth 10;

when the nylon airtight zipper is used, as shown in fig. 1, 2 and 3, when the zipper is combined, the pull tab 9 is pulled upwards, the pull tab 9 is matched with a rough surface structure of the pull tab 9, so that the pull tab 9 is conveniently stressed, the pull tab lock 8, the upper pull tab 5 and the lower pull tab 6 are driven to move upwards, the guide effect of the guide plate 7 on the upper pull tab 5 and the guide plate 7 on the lower pull tab 6 is matched, the zipper teeth 4 on the left chain belt 1 and the right chain belt 1 can be meshed and combined, the sealing rubber pads 401 on the left zipper teeth 4 and the right zipper teeth 4 are matched at the moment to realize primary sealing effect, and when the left zipper teeth 4 and the right zipper teeth 4 are combined, the left zipper teeth 4 and the right zipper teeth 4 are contacted with the top plate 602 to slide, the upward extrusion force is provided for the left zipper teeth 4 and the right zipper teeth 4 through the top plate 602, so that the meshing flatness of the left zipper teeth 4 and the right zipper teeth at the moment can be effectively avoided, and after the left zipper teeth 4 are meshed and the two sets of magnets are meshed, the sealing effect can be realized through the secondary sealing effect through the suction effect between the left zipper teeth and the right zipper teeth 4;

the upper pull head 5 is also fixed with a glue dividing tooth 501, the lower end of the glue dividing tooth 501 is of a conical structure, and the glue dividing tooth 501 can slide in contact with the sealing rubber pad 401; the lower pull head 6 is also provided with a zipper dividing tooth 601 and a top plate 602; the sub-sprocket 601 is fixed on the lower slider 6, and the sub-sprocket 601 can slide by contacting with the sprocket block 4; the top plate 602 is fixed on the lower slider 6, and the top plate 602 contacts with the rear end face of the sprocket block 4 to slide; the split sprocket 601 and the split rubber tooth 501 are fixedly connected, and the length and the width of the split rubber tooth 501 are larger than those of the split sprocket 601;

when the zipper is pulled open, as shown in fig. 1, 2, 4 and 5, the pull tab 9 is pulled downwards, so that the pull tab lock 8, the upper pull tab 5 and the lower pull tab 6 are driven to move downwards, at this time, the upper pull tab 5 is contacted with the sealing rubber pad 401 for sliding at first because the length of the rubber dividing teeth 501 is longer than that of the rubber dividing teeth 601, so that the left sealing rubber pad 401 and the right sealing rubber pad 401 are separated first, then the rubber dividing teeth 601 are contacted with the zipper teeth 4 for sliding, and the two groups of meshed zipper teeth 4 can be separated, thereby realizing the separation effect of the zipper, effectively reducing the resistance through the double separation mechanism, and enabling the separation of the zipper to be more convenient and simpler, namely the working principle of the nylon airtight zipper.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The nylon airtight zipper comprises a zipper belt (1), wherein a lower plate (2) is fixed at the lower end of the zipper belt (1), an upper plate (3) is fixed at the upper end of the zipper belt (1), and sprocket blocks (4) are uniformly arranged on the zipper belt (1);

characterized by further comprising:

the upper pull head (5) is arranged on the front side of the chain belt (1), a lower pull head (6) is arranged on the rear side of the upper pull head (5), the lower pull head (6) and the upper pull head (5) are in contact with the upper plate (3) to realize a sealing effect, and guide plates (7) are fixed on the lower pull head (6) and the upper pull head (5);

the pull head lock (8) is fixed on the front end face of the upper pull head (5), and the pull head lock (8) is connected with a pull tab (9);

the waterproof cloth (10) is fixed on the rear end face of the chain belt (1), and the waterproof cloth (10) is positioned on the rear side of the lower pull head (6).

2. A nylon airtight slide fastener according to claim 1, wherein: the front end face of the sprocket block (4) is also fixed with a sealing rubber pad (401), and the sealing rubber pads (401) on the left and right groups of sprocket blocks (4) are contacted to realize sealing effect.

3. A nylon airtight slide fastener according to claim 1, wherein: and the upper pull head (5) is also fixedly provided with a glue dividing tooth (501), the lower end of the glue dividing tooth (501) is of a conical structure, and the glue dividing tooth (501) can slide in contact with the sealing rubber pad (401).

4. A nylon airtight slide fastener according to claim 1, wherein: the lower pull head (6) is also provided with a chain dividing tooth (601) and a top plate (602);

the chain dividing teeth (601) are fixed on the lower pull head (6), and the chain dividing teeth (601) can slide by contacting with the chain tooth blocks (4);

the top plate (602) is fixed on the lower pull head (6), and the top plate (602) is contacted with the rear end surface of the sprocket block (4) to slide.

5. A nylon airtight slide fastener according to claim 4, wherein: the split teeth (601) are fixedly connected with the split teeth (501), and the length and the width of the split teeth (501) are larger than those of the split teeth (601).

6. A nylon airtight slide fastener according to claim 1, wherein: the guide plates (7) are symmetrically distributed on the left and right of the central line of the upper pull head (5), and the guide plates (7) are of an inclined structure.

7. A nylon airtight slide fastener according to claim 1, wherein: the pull tab (9) is connected with the pull head lock (8) in a sleeving manner, so that the pull tab (9) can move in any direction, and the surface of the pull tab (9) is of an anti-skidding rough structure.

8. A nylon airtight slide fastener according to claim 1, wherein: magnets (1001) are further fixed on the waterproof cloth (10), the waterproof cloth (10) and the magnets (1001) are distributed left and right relative to the center line of the lower pull head (6), and a magnetic attraction structure is formed between the magnets (1001) of the left waterproof cloth and the right waterproof cloth (10).