CN213176383U

CN213176383U - Corrosion-resistant screw

Info

Publication number: CN213176383U
Application number: CN202021667672.5U
Authority: CN
Inventors: 王俊达
Original assignee: Strong Automotive Fasteners Co ltd Shanghai
Current assignee: Strong Automotive Fasteners Co ltd Shanghai
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-11
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a corrosion-resistant screw, including the screw body, the screw body includes the basic unit, the fixed surface of basic unit is connected with the enhancement layer, the fixed surface of enhancement layer is connected with corrosion-resistant layer, corrosion-resistant layer's fixed surface is connected with the zirconia layer, the surface on zirconia layer is provided with wear-resistant coating, wear-resistant coating's fixed surface is connected with corrosion-resistant coating, corrosion-resistant coating includes first coating, the surface of first coating is provided with the second coating, the surface of screw body is provided with the screw thread, and the swivelling chute has been seted up at the top of screw body. The utility model discloses a set up screw body, basic unit, enhancement layer, corrosion-resistant layer, zirconia layer, wear-resistant coating, corrosion-resistant coating, first coating and second coating, can improve the corrosion resisting property of screw, solved the relatively poor problem of current screw corrosion resisting property, this screw possesses the advantage that corrosion resisting property is good, is worth promoting.

Description

Corrosion-resistant screw

Technical Field

The utility model relates to a screw technical field specifically is a corrosion-resistant screw.

Background

The screw is a tool for fastening machine parts of an object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and friction of the object, the screw is a general expression of a fastener, a daily oral expression is given, the surface of the screw is provided with threads, and the screw is an indispensable industrial necessity in daily life and has an important task in industry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant screw possesses the good advantage of corrosion resisting property, has solved the relatively poor problem of current screw corrosion resisting property.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant screw, includes the screw body, the screw body includes the basic unit, the fixed surface of basic unit is connected with the enhancement layer, the fixed surface of enhancement layer is connected with corrosion-resistant layer, corrosion-resistant layer's fixed surface is connected with the zirconia layer, the surface on zirconia layer is provided with wear-resistant coating, wear-resistant coating's fixed surface is connected with corrosion-resistant coating, corrosion-resistant coating includes first coating, the surface of first coating is provided with the second coating.

Preferably, the surface of the screw body is provided with threads, and the top of the screw body is provided with a rotating groove.

Preferably, the base layer is made of a carbon steel material, and the reinforcing layer is made of a titanium alloy material.

Preferably, the zirconia layer is made of a zirconia material, and the corrosion-resistant layer is made of a high-strength carbon fiber material.

Preferably, the wear-resistant coating is made of tungsten carbide cobalt hard alloy, the first coating is made of polyphenolic epoxy coating, and the second coating is made of fluorocarbon coating.

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

1. the utility model discloses a set up screw body, basic unit, enhancement layer, corrosion-resistant layer, zirconia layer, wear-resistant coating, corrosion-resistant coating, first coating and second coating, can improve the corrosion resisting property of screw, solved the relatively poor problem of current screw corrosion resisting property, this screw possesses the advantage that corrosion resisting property is good, is worth promoting.

2. The utility model discloses a set up the enhancement layer, titanium alloy material can increase screw intensity, through setting up corrosion resistant layer, high strength carbon fiber material has characteristics such as high temperature resistant, antifriction, electric conduction, heat conduction and corrosion resistance, can improve the high temperature resistant and corrosion resistant performance of screw, through setting up the zirconia layer, zirconia has high hardness, prevent the scotch of hardwares effectively, and high temperature chemistry nature is stable, corrosion-resistant, anti-oxidant, non-volatile, pollution-free, can improve the intensity and corrosion-resistant, oxidation resistance of screw, through setting up wear-resistant coating, tungsten carbide cobalt carbide hard alloy can play wear-resistant effect, improve the wear resistance of screw, through setting up first coating, the poly phenol-formaldehyde epoxy coating has fine anticorrosive, chemical resistance, heat resistance and wearability, can improve the corrosion resistance and the wearability of screw, through setting up the second coating, fluorocarbon coating has fine weatherability, heat resistance, low temperature resistance, chemical resistance, can improve the corrosion resisting property of screw, through setting up the screw thread, can be convenient for the use of screw, through setting up the swivelling chute, can be convenient for operate the screw.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the screw body of the present invention;

fig. 3 is a schematic view of the structure of the screw body of the present invention;

fig. 4 is a schematic structural diagram of the corrosion-resistant coating according to the present invention.

In the figure: 1. a screw body; 2. a base layer; 3. a reinforcing layer; 4. a corrosion-resistant layer; 5. a zirconium oxide layer; 6. a wear-resistant coating; 7. an anti-corrosion coating; 8. a first coating layer; 9. a second coating layer; 10. a thread; 11. a rotating trough.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a corrosion-resistant screw comprises a screw body 1, the screw body 1 comprises a base layer 2, a reinforcing layer 3 is fixedly connected to the surface of the base layer 2, a corrosion-resistant layer 4 is fixedly connected to the surface of the reinforcing layer 3, a zirconia layer 5 is fixedly connected to the surface of the corrosion-resistant layer 4, a wear-resistant coating 6 is arranged on the surface of the zirconia layer 5, a corrosion-resistant coating 7 is fixedly connected to the surface of the wear-resistant coating 6, the corrosion-resistant coating 7 comprises a first coating 8, a second coating 9 is arranged on the surface of the first coating 8, threads 10 are arranged on the surface of the screw body 1, a rotating groove 11 is formed in the top of the screw body 1, the base layer 2 is made of carbon steel material, the reinforcing layer 3 is made of titanium alloy material, the zirconia layer 5 is made of zirconia material, and the corrosion-resistant layer 4 is made of high-strength, the wear-resistant coating 6 is made of tungsten carbide cobalt hard alloy, the first coating 8 is made of polyphenolic epoxy coating, the second coating 9 is made of fluorocarbon coating, the reinforcing layer 3 is arranged, the strength of the screw can be improved by titanium alloy material, the corrosion-resistant layer 4 is arranged, the high-strength carbon fiber material has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, the high temperature resistance, corrosion resistance and the like of the screw can be improved, the zirconium oxide layer 5 is arranged, the zirconium oxide has high hardness, the abrasion of hard objects is effectively prevented, the high-temperature chemical property is stable, corrosion resistance, oxidation resistance, non-volatility and no pollution, the strength, corrosion resistance and oxidation resistance of the screw can be improved, the tungsten carbide cobalt hard alloy can play a wear-resistant role by arranging the wear-resistant coating 6, the wear-resistant performance of the screw is improved, and by arranging the first coating 8, the polyphenolic epoxy coating has good corrosion resistance, chemical resistance, heat resistance and wear resistance, the corrosion resistance and wear resistance of the screw can be improved, through the second coating 9, the fluorocarbon coating has good weather resistance, heat resistance, low temperature resistance and chemical resistance, the corrosion resistance of the screw can be improved, through the screw thread 10, the use of the screw can be facilitated, through the rotary groove 11, the operation on the screw can be facilitated, through the screw body 1, the base layer 2, the reinforcing layer 3, the corrosion-resistant layer 4, the zirconia layer 5, the wear-resistant coating 6, the corrosion-resistant coating 7, the first coating 8 and the second coating 9 are arranged, the corrosion resistance of the screw can be improved, the problem that the corrosion resistance of the existing screw is poor is solved, the screw has the advantage of good corrosion resistance, and is worthy of popularization.

When the wear-resistant composite material is used, the titanium alloy material in the reinforcing layer 3 can increase the strength of the screw, the high-strength carbon fiber material in the corrosion-resistant layer 4 has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, the high temperature resistance, corrosion resistance and the like of the screw can be improved, the zirconium oxide in the zirconium oxide layer 5 has extremely high hardness, the scratch of hard objects is effectively prevented, the high-temperature chemical property is stable, the corrosion resistance, the oxidation resistance, the non-volatility and the pollution resistance can be improved, the strength, the corrosion resistance and the oxidation resistance of the screw can be improved, the tungsten carbide cobalt hard alloy in the wear-resistant coating 6 can play a role in wear resistance, the wear resistance of the screw is improved, the polyphenolic epoxy coating in the first coating 8 has good corrosion resistance, chemical resistance, heat resistance and wear resistance, the corrosion resistance and the wear resistance of the screw can be improved, and the, The heat resistance, the low temperature resistance, the chemical resistance can improve the corrosion resistance of the screw, the screw thread 10 can facilitate the use of the screw, and the rotary groove 11 can facilitate the operation of the screw.

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

Claims

1. A corrosion-resistant screw, includes screw body (1), its characterized in that: the screw body (1) comprises a base layer (2), the surface fixed connection of the base layer (2) is provided with a reinforcing layer (3), the surface fixed connection of the reinforcing layer (3) is provided with a corrosion-resistant layer (4), the surface fixed connection of the corrosion-resistant layer (4) is provided with a zirconia layer (5), the surface of the zirconia layer (5) is provided with a wear-resistant coating (6), the surface fixed connection of the wear-resistant coating (6) is provided with an anti-corrosion coating (7), the anti-corrosion coating (7) comprises a first coating (8), and the surface of the first coating (8) is provided with a second coating (9).

2. A corrosion resistant screw as defined in claim 1, wherein: the surface of the screw body (1) is provided with threads (10), and the top of the screw body (1) is provided with a rotating groove (11).

3. A corrosion resistant screw as defined in claim 1, wherein: the base layer (2) is made of carbon steel materials, and the reinforcing layer (3) is made of titanium alloy materials.

4. A corrosion resistant screw as defined in claim 1, wherein: the zirconia layer (5) is made of zirconia materials, and the corrosion-resistant layer (4) is made of high-strength carbon fiber materials.

5. A corrosion resistant screw as defined in claim 1, wherein: the material of wear-resisting coating (6) adopts the tungsten carbide cobalt carbide to make, the material of first coating (8) adopts the poly phenol formaldehyde epoxy coating to make, the material of second coating (9) adopts the fluorocarbon coating to make.