CN217328026U

CN217328026U - Hexagon socket head cap screw of difficult rupture

Info

Publication number: CN217328026U
Application number: CN202220940910.8U
Authority: CN
Inventors: 吴烈峰
Original assignee: Zhejiang Shuguang Fastener Co ltd
Current assignee: Zhejiang Shuguang Fastener Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-08-30
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to a bolt technical field especially relates to a hexagon socket head cap screw of difficult rupture. The technical scheme comprises the following steps: the utility model discloses a dustproof dish, including cup, reinforcement sleeve and threaded rod, the threaded rod is installed through the cone to the one end of cup, and the reinforcement sleeve is installed to the outside screw thread of threaded rod, and the surface of reinforcement sleeve is provided with the maintenance layer, and the maintenance layer includes nickel coating, oxidation film layer, organic polymer paint layer, and the cup other end is provided with the joint dish, and dustproof disc is installed through the disc draw-in groove in the inside of joint dish. The utility model discloses a nickel coating layer, oxidation film layer, organic polymer paint layer in the maintenance layer can be effectively keep apart metal and corrosive environment to restrain the production of corrosion process, or reduce corrosive medium and metal outward appearance contact, avoid the base member metal to form the corruption at stainless steel standard component medium because of the contact corrosion, and reach the purpose of avoiding or alleviateing the corruption, make its hexagon socket head cap screw can use in abominable environment, enlarged hexagon socket head cap screw life.

Description

Hexagon socket head cap screw of difficult rupture

Technical Field

The utility model relates to a bolt technical field specifically is a hexagon socket head cap screw of difficult rupture.

Background

The outer edge of the screw head of the inner hexagonal screw is round, the hexagon which is recessed in the middle is arranged, the hexagonal screw is a hexagon on the edge of a common screw head, the inner hexagonal screw is commonly used on machinery and mainly has the advantages of convenience in fastening, detachment, difficulty in sliding corners and the like, the inner hexagonal screw is widely applied in the fields of electronics, electric appliances, electricity, electric power, chemical industry, water conservancy, mechanical equipment, furniture and the like, and for improving the durability of the inner hexagonal screw, the inner hexagonal screw which is not easy to break is provided.

Through the retrieval, patent publication No. CN214888227U discloses a special bolt of hexagon socket head groove, including the bolt body, the bolt body includes bolt head and double-screw bolt, double-screw bolt fixed connection terminal surface middle part department under the bolt head, the bolt head upper end is seted up flutedly, a word groove has been seted up at terminal surface middle part under the recess, the bolt head is close to the front and back end inner wall and all is provided with the reinforcing face.

The existing inner hexagonal bolt which is not easy to break has the following defects:

1. the existing inner hexagonal bolt which is not easy to break does not have an anti-corrosion function, so that the inner hexagonal bolt is contacted with a corrosive medium in use in a severe environment, and a base metal is corroded in a stainless steel standard part medium due to contact corrosion, so that the service life of the inner hexagonal bolt is shortened, and the use range of the inner hexagonal bolt is also reduced;

2. the existing inner hexagon bolt which is not easy to break does not have a protection structure, the inner hexagon bolt is easily damaged by threads due to external force, fastening force of the inner hexagon bolt is influenced, mechanical strength is reduced, the inner hexagon bolt is easy to break, and the hexagon bolt provides the inner hexagon bolt which is not easy to break to solve the existing problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hexagon socket head cap screw of difficult rupture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hexagon socket head cap screw of difficult rupture, includes cup head, reinforcement sleeve and threaded rod, the threaded rod is installed through the cone to the one end of cup head, the reinforcement sleeve is installed to the outside screw thread of threaded rod, the surface of reinforcement sleeve is provided with the maintenance layer, the maintenance layer is including nickel coating, oxidation film layer, organic polymer paint layer, the cup head other end is provided with the joint dish, the inside cross draw-in groove that is provided with of joint dish, dustproof disc is installed through the disc draw-in groove in the inside of joint dish.

The nickel-plated layer, the oxidation film layer and the organic polymer paint layer in the maintenance layer can effectively isolate the metal from the corrosive environment to inhibit the generation of the corrosion process, or reducing the contact between corrosive media and the outer surface of the metal, avoiding the corrosion of the base metal caused by the contact corrosion on the stainless steel standard medium, thereby achieving the purpose of avoiding or reducing corrosion, leading the inner hexagon bolt to be used in severe environment, prolonging the service life of the inner hexagon bolt, the reinforcing sleeve can protect the threaded rod, effectively prevent the threaded rod from being damaged by external force, ensure the thread fastening force of the threaded rod, meanwhile, the reinforcing sleeve can also increase the mechanical strength of the threaded rod and improve the torque force of the threaded rod, so that the fastening force of the hexagon socket head cap screw is stronger, and the threaded rod is not easy to break, thereby improving the durability of the threaded rod and prolonging the service life of the hexagon socket head cap screw.

Preferably, the inside of the cup head is provided with an inner hexagonal groove, and the outer side of the cup head is equidistantly provided with anti-slip grooves. Through interior hexagonal groove can be convenient for the staff through the instrument joint, the staff dismouting device of being convenient for, the protective structure of cup head has been multiplicable in the antiskid groove, has improved cup head non-skid property.

Preferably, one side of the reinforcing sleeve is provided with a conical ring, and an inner groove is formed in the reinforcing sleeve. The cone ring has increased the fastness of reinforcement sleeve installation, has improved the fastening nature of reinforcement sleeve installation, and the reinforcement sleeve can carry out the dismouting with threaded rod threaded connection through interior screw channel simultaneously, the reinforcement sleeve of being convenient for.

Preferably, the top of the nickel-plated layer is provided with an oxide film layer, and the top of the oxide film layer is provided with an organic polymer paint layer. The nickel-plated layer, the oxidation film layer and the organic polymer paint layer can effectively isolate metal from a corrosive environment, and prevent the base metal from being corroded due to contact corrosion in a stainless steel standard medium.

Preferably, the conical head is installed to the one end of threaded rod, and the button head is installed to the one end of conical head. The conical head and the round head can facilitate the positioning of the threaded rod, and the efficiency of positioning and mounting the threaded rod is improved.

Preferably, the outer side of the dustproof disc is equidistantly provided with clamping feet, and one side of the dustproof disc is provided with a hexagonal plug. The clamping pin can be clamped with the cross clamping groove, the cross clamping groove is convenient to protect, the hexagonal plug can protect the hexagonal plug, and the hexagonal plug is prevented from being blocked by dust.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the nickel-plated layer, the oxidation film layer and the organic polymer paint layer in the maintenance layer can effectively isolate the metal from a corrosive environment to inhibit the generation of a corrosion process or reduce the contact between a corrosive medium and the surface of the metal, so that the corrosion of the base metal caused by the contact corrosion on the stainless steel standard part medium is avoided, the purpose of avoiding or reducing the corrosion is achieved, the hexagon socket head cap screw can be used in a severe environment, and the service life of the hexagon socket head cap screw is prolonged.

2. Can protect the threaded rod through the reinforcement sleeve, prevent effectively that the threaded rod from receiving external force and leading to the impaired problem of screw thread, guaranteed the screw fastening power of threaded rod, the while reinforcement sleeve also can increase the mechanical strength of threaded rod, has improved the moment of torsion power of threaded rod for this hexagon socket head cap screw fastening power is stronger, and is difficult for the rupture, thereby has improved threaded rod durability, has prolonged hexagon socket head cap screw life.

Drawings

Fig. 1 is a front view of the present invention;

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

fig. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic view of the local structure of the maintenance layer of the present invention.

In the figure: 1. a cup head; 101. a cone; 102. an inner hexagonal groove; 103. an anti-slip groove; 2. a reinforcing sleeve; 201. a conical ring; 202. an inner spiral groove; 3. maintaining the protective layer; 301. plating a nickel layer; 302. oxidizing the film layer; 303. an organic polymer paint layer; 4. a threaded rod; 401. a conical head; 5. clamping a connecting disc; 501. a cross clamping groove; 502. a disc slot; 6. a dust-proof disc; 601. clamping a pin; 602. a hexagonal plug.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a hexagon socket head cap screw of difficult rupture, including cup 1, reinforcement sleeve 2 and threaded rod 4, threaded rod 4 is installed through cone 101 to the one end of cup 1, and reinforcement sleeve 2 is installed to the outside screw thread of threaded rod 4, and the surface of reinforcement sleeve 2 is provided with maintenance layer 3, and maintenance layer 3 is including nickel-plating layer 301, oxidation film layer 302, organic polymer paint layer 303, and the cup 1 other end is provided with

joint dish

5, and 5 inside cross draw-in grooves 501 that are provided with of joint dish, and dustproof disc 6 is installed through disc draw-in groove 502 in the inside of joint dish 5.

The working principle of the inner hexagon bolt not easy to break based on the first embodiment is as follows: the reinforcing sleeve 2 can protect the threaded rod 4, effectively prevent the threaded rod 4 from being damaged by external force, ensure the thread fastening force of the threaded rod 4, simultaneously the reinforcing sleeve 2 can also increase the mechanical strength of the threaded rod 4, improve the torque force of the threaded rod 4, enable the fastening force of the inner hexagonal bolt to be stronger and not to be broken easily, thereby improving the durability of the threaded rod 4, prolonging the service life of the inner hexagonal bolt, effectively isolate metal from corrosive environment through the nickel plating layer 301, the oxidation film layer 302 and the organic polymer paint layer 303 in the maintenance layer 3 to inhibit the generation of a corrosion process or reduce the contact of corrosive medium and metal surface, avoid the corrosion of matrix metal formed in stainless steel standard medium due to contact corrosion, achieve the purpose of avoiding or reducing the corrosion, and enable the inner hexagonal bolt to be used in severe environment, the service life of the hexagon socket head cap screw is prolonged, the cross clamping groove 501 can increase the connection mode, a worker can conveniently disassemble and assemble the device through the cross cutter, the inner hexagon groove 102 can be protected through the dustproof disc 6, and the hexagonal plug 602 is prevented from being blocked by dust.

Example two

As shown in fig. 1-4, the present invention provides a hexagon socket head cap screw that is not easy to break, compared with the first embodiment, the present embodiment further includes: hexagonal groove 102 in the inside of cup 1 is provided with, and the outside equidistance of cup 1 is provided with anti-skidding groove 103, one side of reinforcement sleeve 2 is provided with awl ring 201, and the inside of reinforcement sleeve 2 is provided with interior spiral shell 202, nickel coating 301 top is provided with oxidation rete 302, oxidation rete 302 top is provided with organic polymer paint layer 303, conical head 401 is installed to the one end of threaded rod 4, and conical head 401's one end installs the button head, card foot 601 is installed to the outside equidistance of dustproof disc 6, and hexagonal stopper 602 is installed to 6 one side of dustproof disc.

In the embodiment, the inner hexagonal groove 102 is convenient for a worker to clamp through a tool, the worker can conveniently disassemble and assemble the device, the anti-slip groove 103 can increase the protective structure of the cup head 1, the anti-slip performance of the cup head 1 is improved, the conical ring 201 increases the installation firmness of the reinforcing sleeve 2 and improves the installation tightness of the reinforcing sleeve 2, meanwhile, the reinforcing sleeve 2 can be in threaded connection with the threaded rod 4 through the inner spiral groove 202, the reinforcing sleeve 2 can be conveniently disassembled and assembled, the nickel-plated layer 301, the oxidation film layer 302 and the organic polymer paint layer 303 can effectively isolate metal from corrosive environment, the corrosion of matrix metal caused by contact corrosion in a stainless steel standard medium is avoided, the conical head 401 and the round head can conveniently position the threaded rod 4, the positioning and installation efficiency of the threaded rod 4 is improved, the clamping feet 601 can be clamped with the cross clamping groove 501, the cross clamping groove 501 can be conveniently protected, the hexagonal plug 602 can conveniently protect the hexagonal plug 602, preventing dust from clogging the hex plug 602.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a hexagon socket head cap screw of difficult rupture, includes cup head (1), strengthens cover (2) and threaded rod (4), its characterized in that: threaded rod (4) are installed through cone (101) to the one end of cup (1), uide bushing (2) is installed to the outside screw thread of threaded rod (4), the surface of uide bushing (2) is provided with maintenance layer (3), maintenance layer (3) are including nickel coating (301), oxide film layer (302), organic polymer paint layer (303), cup (1) other end is provided with joint dish (5), joint dish (5) inside is provided with cross draw-in groove (501), dustproof disc (6) are installed through disc draw-in groove (502) in the inside of joint dish (5).

2. A non-frangible socket head cap screw according to claim 1, wherein: an inner hexagonal groove (102) is formed in the cup head (1), and anti-skidding grooves (103) are formed in the outer side of the cup head (1) at equal intervals.

3. A non-frangible socket head cap screw according to claim 1, wherein: one side of the reinforcing sleeve (2) is provided with a conical ring (201), and an inner spiral groove (202) is formed in the reinforcing sleeve (2).

4. A non-frangible socket head cap screw according to claim 1, wherein: an oxide film layer (302) is arranged on the top of the nickel-plated layer (301), and an organic polymer paint layer (303) is arranged on the top of the oxide film layer (302).

5. A non-frangible socket head cap screw according to claim 1, wherein: conical head (401) are installed to the one end of threaded rod (4), and the button head is installed to the one end of conical head (401).

6. A non-frangible socket head cap screw according to claim 1, wherein: card foot (601) are installed to the outside equidistance of dustproof disc (6), and install hexagonal stopper (602) on one side of dustproof disc (6).