Flame-retardant nylon zipper

Abstract

The utility model discloses a flame-retardant nylon zipper which comprises a first zipper tape, a second zipper tape is arranged on one side of the first zipper tape, zipper teeth are arranged on the inner wall of the first zipper tape and the inner wall of the second zipper tape, a zipper head is installed on the outer wall of the lower end of each zipper tooth, and a zipper nose is fixed to the center of the surface of each zipper head. The outer wall of the lower end of the zipper nose is sleeved with a pull handle, locking frames are arranged at the lower ends of the surfaces of the first zipper belt and the second zipper belt, rubber gaskets are installed on the inner walls of the locking frames, the inner walls of the rubber gaskets make contact with the outer wall of the pull handle, a first meshing groove is formed in the outer wall of one side of each zipper tooth, and a second meshing groove is formed in the outer wall of the other side of each zipper tooth. The zipper not only ensures the closing effect when the zipper is used, but also reduces the phenomenon that the zipper head slips after the zipper is closed, and can effectively reduce the fire risk and prolong the service life of the zipper.

Description

TECHNICAL FIELD

[0001] The utility model relates to zip fastener technical field, concretely is a kind of flame-retardant nylon zip fastener. BACKGROUND

[0002] As a common connecting piece, zip fastener is widely used in various products such as clothing, luggage, tent, etc. Nylon zip fastener occupies an important position in the market due to its high strength, light weight and low cost. However, the traditional nylon zip fastener is easy to burn when encountering fire, which not only damages the zip fastener itself, but also may cause more serious fire accidents, posing a threat to personnel and property safety. Therefore, it is of great practical significance to develop a nylon zip fastener with flame-retardant property.

[0003] Referring to the announcement number CN222149217U, a kind of flame-retardant nylon zip fastener, it includes two symmetrical distribution chain belts, the link side of each chain belt is provided with zipper tooth, it further includes the zipper head for pulling together zipper tooth, the inner and outer sides of the chain belt are all provided with the flame-retardant wear-resistant layer located the side of zipper tooth;The inner side of each chain belt is further provided with the L-shaped sealing baffle of flame-retardant material matched with zipper head, the end face of one L-shaped sealing baffle is provided with the sealing plug-in connector with C-shaped structure in cross section, the sealing plug-in connector is matched with the end face of another L-shaped sealing baffle, the present zip fastener has the characteristics of effectively improving the fire-retardant effect, according to the above, although the zip fastener can be well applied, it is usually inconvenient to enhance the engagement force between zip fastener teeth, so that the zip fastener is easy to open after being pulled closed due to external factors, which often troubles the user. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of flame-retardant nylon zip fastener to solve the problem that zip fastener can be well applied in the above background art, but it is usually inconvenient to enhance the engagement force between zip fastener teeth, so that the zip fastener is easy to open after being pulled closed due to external factors.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of flame-retardant nylon zip fastener, including first zip fastener belt, the side of the first zip fastener belt is provided with second zip fastener belt, the inner wall of the first zip fastener belt and second zip fastener belt is all provided with zip fastener tooth, the outer wall of the lower end of two zip fastener tooth is installed with zipper head, the center position of the surface of the zipper head is fixed with pull nose, the outer wall of the lower end of the pull nose is sleeved with pull handle, the lower end of the surface of the first zip fastener belt and second zip fastener belt is all provided with locking frame, the inner wall of the locking frame is installed with rubber pad, the inner wall of the rubber pad and the outer wall of pull handle are touched.

[0006] Preferably, the surface of the first zipper tape and the second zipper tape is coated with a lower flame-retardant nylon layer, and the outer surface of the first zipper tape and the second zipper tape away from the lower flame-retardant nylon layer is coated with an upper flame-retardant nylon layer, so as to improve the flame-retardant performance of the zipper through the arrangement of the upper and lower flame-retardant nylon layers.

[0007] Preferably, the outer wall on one side of the zipper tooth is provided with a first engagement groove, and the outer wall on the other side of the zipper tooth is provided with a second engagement groove, so as to improve the engagement performance between adjacent zipper teeth through the arrangement of the first and second engagement grooves.

[0008] Preferably, the zipper head comprises a lower connecting plate and a lower limiting frame, the front of the zipper tooth is provided with an upper connecting plate, and the rear of the zipper tooth is provided with a lower connecting plate, so as to arrange the lower limiting frame and the upper limiting frame through the arrangement of the upper and lower connecting plates.

[0009] Preferably, the zipper head comprises a lower limiting frame and an upper limiting frame, the inner wall on both sides of the lower connecting plate is provided with a lower limiting frame, and the inner wall on both sides of the upper connecting plate is provided with an upper limiting frame, so as to open and close the two groups of zipper teeth through the arrangement of the lower and upper limiting frames.

[0010] Preferably, the zipper head further comprises a connecting block, the inner wall of the lower connecting plate between the lower limiting frames is provided with a connecting block, and one end of the connecting block away from the lower connecting plate is fixedly connected with the inner wall of the upper connecting plate, so as to connect the lower connecting plate and the upper connecting plate through the arrangement of the connecting block.

[0011] Compared with the prior art, the flame-retardant nylon zipper not only ensures the closing effect during use, but also reduces the sliding phenomenon of the zipper head after closing, and can effectively reduce the fire risk and prolong the service life of the zipper.

[0012] (1) The first and second engagement grooves are arranged on the outer walls on both sides of the zipper tooth, when the zipper is closed, the zipper teeth on the inner wall of the first zipper tape engage with the zipper teeth on the inner wall of the second zipper tape, at this time, the front end of the zipper teeth on the inner wall of the second zipper tape engages in the first and second engagement grooves of the two zipper teeth on the inner wall of the first zipper tape, and the front end of the zipper teeth on the inner wall of the first zipper tape engages in the first and second engagement grooves of the two zipper teeth on the inner wall of the second zipper tape, so as to enhance the engagement force between the two groups of zipper teeth on the inner walls of the first and second zipper tapes, thereby ensuring the closing effect during use.

[0013] (2) through the first zipper tape and the second zipper tape surface both ends are provided with locking frame, and the inner wall of the locking frame is installed with rubber pad, when pulling down the zipper head to the lowermost end of the zipper, rotating the handle to insert both ends in the inner side of the locking frame, so that the inner wall of the rubber pad is attached to the outer wall of the handle, that is, the purpose of limiting the installation of the handle is achieved, thereby reducing the phenomenon of the zipper head slipping after the zipper is closed;

[0014] (3) through the first zipper tape and the second zipper tape of both sides of the outer surface are respectively provided with upper and lower flame-retardant nylon layer, which can effectively improve the flame-retardant performance of the zipper, thereby effectively reducing the risk of fire and prolonging the service life of the zipper. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structure schematic diagram of the utility model;

[0016] Figure 2 It is a zipper head top view structure schematic diagram of the utility model;

[0017] Figure 3 It is a zipper tooth partial structure schematic diagram of the utility model;

[0018] Figure 4 It is a zipper head side view structure schematic diagram of the utility model.

[0019] In the drawing: 1, first zipper tape; 2, second zipper tape; 3, zipper tooth; 301, first occlusion groove; 302, second occlusion groove; 4, zipper head; 401, lower connecting plate; 402, lower limiting frame; 403, upper connecting plate; 404, upper limiting frame; 405, connecting block; 5, pull nose; 6, handle; 7, locking frame; 701, rubber pad; 8, upper flame-retardant nylon layer; 9, lower flame-retardant nylon layer. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides an embodiment: a flame-retardant nylon zipper, comprising a first zipper tape 1, the surface of the first zipper tape 1 and the second zipper tape 2 is coated with a lower flame-retardant nylon layer 9, the outer surface of the side of the first zipper tape 1 and the second zipper tape 2 away from the lower flame-retardant nylon layer 9 is coated with an upper flame-retardant nylon layer 8;

[0022] When using, the upper flame-retardant nylon layer 8 and the lower flame-retardant nylon layer 9 are arranged to improve the flame-retardant performance of the zipper;

[0023] The first zipper tape 1 is provided with the second zipper tape 2, the inner wall of the first zipper tape 1 and the second zipper tape 2 is provided with the zipper tooth 3, the outer wall of one side of the zipper tooth 3 is provided with the first engagement groove 301, the outer wall of the other side of the zipper tooth 3 is provided with the second engagement groove 302;

[0024] In use, the first engagement groove 301 and the second engagement groove 302 are arranged to improve the engagement performance between adjacent zipper teeth 3;

[0025] The outer wall of the lower end of the two zipper teeth 3 is provided with the zipper head 4, the zipper head 4 comprises the lower connecting plate 401 and the lower limiting frame 402, the front of the zipper tooth 3 is provided with the upper connecting plate 403, and the rear of the zipper tooth 3 is provided with the lower connecting plate 401;

[0026] In use, the upper connecting plate 403 and the lower connecting plate 401 are arranged to facilitate the installation of the lower limiting frame 402 and the upper limiting frame 404;

[0027] The zipper head 4 comprises the lower limiting frame 402 and the upper limiting frame 404, the inner wall of both sides of the lower connecting plate 401 is provided with the lower limiting frame 402, and the inner wall of both sides of the upper connecting plate 403 is provided with the upper limiting frame 404;

[0028] In use, the lower limiting frame 402 and the upper limiting frame 404 are arranged to facilitate the opening and closing of the two groups of zipper teeth 3;

[0029] The zipper head 4 further comprises the connecting block 405, the inner wall of the lower connecting plate 401 between the lower limiting frames 402 is provided with the connecting block 405, and the end of the connecting block 405 away from the lower connecting plate 401 is fixedly connected with the inner wall of the upper connecting plate 403;

[0030] In use, the connecting block 405 is arranged to facilitate the connection of the lower connecting plate 401 and the upper connecting plate 403;

[0031] The zipper head 4 is fixedly provided with the pull nose 5 at the center position of the surface, the pull handle 6 is sleeved on the outer wall of the lower end of the pull nose 5, the lower end of the surface of the first zipper tape 1 and the second zipper tape 2 is provided with the locking frame 7, the inner wall of the locking frame 7 is provided with the rubber pad 701, and the inner wall of the rubber pad 701 is in contact with the outer wall of the pull handle 6.

[0032] The application is used, first of all, through the lower end of the first zipper tape 1 and the second zipper tape 2 surface is provided with locking frame 7, and the inner wall of the locking frame 7 is installed with rubber pad 701, when pulling down the zipper head 4 to the lowermost end of the zipper, rotating the handle 6 will be inserted in the inner side of the locking frame 7, so that the inner wall of the rubber pad 701 is attached to the outer wall of the handle 6, that is, the purpose of limiting the installation of the handle 6 can be achieved, to reduce the phenomenon of zipper head 4 slip after the zipper is closed, then through the outer wall on both sides of the zipper teeth 3 is respectively provided with the first bite groove 301 and the second bite groove 302, when the zipper is closed, the zipper teeth 3 in the inner wall of the first zipper tape 1 bite in the zipper teeth 3 in the inner wall of the second zipper tape 2, at this time, the front end of the zipper teeth 3 in the inner wall of the second zipper tape 2 bite in the first bite groove 301 and the second bite groove 302 of the two zipper teeth 3 in the inner wall of the first zipper tape 1, and the front end of the zipper teeth 3 in the inner wall of the first zipper tape 1 bite in the first bite groove 301 and the second bite groove 302 of the two zipper teeth 3 in the inner wall of the second zipper tape 2, to enhance the bite force between the two groups of zipper teeth 3 in the inner wall of the first zipper tape 1 and the second zipper tape 2, to ensure the closing effect of the zipper, finally, through the outer surface of the first zipper tape 1 and the second zipper tape 2 on both sides is respectively provided with upper flame retardant nylon layer 8 and lower flame retardant nylon layer 9, which can effectively improve the flame retardant performance of the zipper, to reduce the phenomenon of burning loss of the zipper, in addition, the upper flame retardant nylon layer 8 and the lower flame retardant nylon layer 9 are prepared by adding appropriate amount of flame retardant, plasticizer, stabilizer and other additives on the basis of traditional nylon resin through melting blending, extruding and other processes, so as to complete the use of the zipper.

Claims

1. A flame resistant nylon zipper characterized in that: The utility model provides a first zipper strip (1) one side is equipped with second zipper strip (2), and the inner wall of first zipper strip (1) and second zipper strip (2) is equipped with zipper tooth (3), and the outer wall of two zipper tooth (3) lower end is installed zipper head (4), and the surface center position of zipper head (4) is fixed with pull nose (5), and the outer wall of pull nose (5) lower end is equipped with pull handle (6), and the lower end of first zipper strip (1) and second zipper strip (2) surface is equipped with locking frame (7), and the inner wall of locking frame (7) is installed rubber pad (701), and the inner wall of rubber pad (701) and the outer wall of pull handle (6) touch.

2. A flame resistant nylon zipper as defined in claim 1, wherein: The surface of first zipper strip (1) and second zipper strip (2) is coated with lower flame -retardant nylon layer (9), and the outer surface of first zipper strip (1) and second zipper strip (2) away from lower flame -retardant nylon layer (9) side is coated with upper flame -retardant nylon layer (8).

3. A flame resistant nylon zipper as defined in claim 1, wherein: The outer wall of zipper tooth (3) one side is equipped with first occlusal groove (301), and the outer wall of zipper tooth (3) other side is equipped with second occlusal groove (302).

4. A flame resistant nylon zipper as defined in claim 1, wherein: The zipper head (4) contains lower connecting plate (401) and lower limit frame (402), and the front of zipper tooth (3) is equipped with upper connecting plate (403), and the rear of zipper tooth (3) is equipped with lower connecting plate (401).

5. A flame resistant nylon zipper as defined in claim 4, wherein: The zipper head (4) contains lower limit frame (402) and upper limit frame (404), and the inner wall of both sides of lower connecting plate (401) is equipped with lower limit frame (402), and the inner wall of both sides of upper connecting plate (403) is equipped with upper limit frame (404).

6. A flame resistant nylon zipper as defined in claim 5, wherein: The zipper head (4) also contains connecting block (405), and the inner wall of lower connecting plate (401) between lower limit frame (402) is equipped with connecting block (405), and the inner wall of upper connecting plate (403) is fixedly connected with the end of connecting block (405) away from lower connecting plate (401).

Images