CN213711577U

CN213711577U - Underwater anti-loosening corrosion-resistant screw

Info

Publication number: CN213711577U
Application number: CN202022765180.6U
Authority: CN
Inventors: 韩金煌
Original assignee: Xiamen Yidebao Rhenium Material Technology Co ltd
Current assignee: Xiamen Yidebao Rhenium Material Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-16
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an underwater anti-loosening corrosion-resistant screw, which comprises a bolt, equal fixed mounting all around of bolt has the locating piece, the thread groove has been seted up on the surface of bolt, the bolt includes main part layer and protective coating, protective coating is located the surface of main part layer, the main part layer includes wearing layer, enhancement layer and sandwich layer, protective coating includes corrosion-resistant coating and anti-rust coating, the wearing layer is located the surface of enhancement layer, the enhancement layer is located the surface of sandwich layer, corrosion-resistant coating is located anti-rust coating's surface, anti-rust coating is located the surface of wearing layer, the wearing layer is the tungsten carbide layer. The utility model discloses used bolt, wearing layer, enhancement layer, sandwich layer, corrosion resistant coating, anti rust coating, spiral shell groove and locating piece, it is not good to have solved current screw corrosion-resistant effect, and life is shorter when using under water, and the locking problem that the effect is not good that takes off.

Description

Underwater anti-loosening corrosion-resistant screw

Technical Field

The utility model relates to a screw technical field specifically is an underwater anti-loosening corrosion-resistant screw.

Background

The screw is a tool for fastening machine parts of the device step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, the screw is an indispensable industrial necessity in daily life, large screws are used for engineering, buildings and bridges, and large and small screws are used for traffic appliances, airplanes, electric cars, automobiles and the like, but the existing screw has poor corrosion resistance effect, short service life when used underwater, and poor loosening prevention effect, so that the loosening prevention corrosion resistance screw for underwater use is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an underwater anti-loosening corrosion-resistant screw, it is good to possess corrosion-resistant effect, and anti-loosening advantage effectual, has solved current screw corrosion-resistant effect not good, and life is shorter when using under water, and anti-loosening effect not good problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an underwater anti-loosening corrosion-resistant screw, includes the bolt, equal fixed mounting has the locating piece all around of bolt, the thread groove has been seted up on the surface of bolt, the bolt includes main part layer and protective coating, protective coating is located the surface of main part layer, the main part layer includes wearing layer, enhancement layer and sandwich layer, protective coating includes corrosion-resistant coating and anti rust coating.

Preferably, the wear layer is located on an outer surface of the reinforcement layer, which is located on an outer surface of the core layer.

Preferably, the corrosion-resistant coating is positioned on the outer surface of the anti-rust coating, and the anti-rust coating is positioned on the outer surface of the wear-resistant layer.

Preferably, the wear-resistant layer is a tungsten carbide layer, the reinforcing layer is a tungsten-cobalt alloy layer, and the core layer is a carbon steel layer.

Preferably, the corrosion-resistant coating is a polyurethane coating, and the antirust coating is a zinc coating.

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

the utility model discloses the appointed position is twisted with the bolt to the accessible spiral groove, the top of locating piece is provided with the rubber pad, screw up back locating piece and required fixed article contact, can increase frictional force, prevent that the bolt from becoming flexible, the wearing layer has increased bolt corrosion resistance, and have the advantage that the wearability is good and intensity is high, the enhancement layer has further increased the intensity of bolt, and chemical property is stable, the intensity of bolt has been guaranteed to the sandwich layer, corrosion-resistant coating has increased the wear-resisting and corrosion-resistant on bolt surface, anti rust coating has increased the rust resistance of bolt, it is not good to have solved current screw corrosion-resistant effect, life is shorter when using under water, and the locking takes off problem that the effect is not good.

Drawings

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

FIG. 2 is an enlarged structural view of a partial cross section of the bolt of the present invention;

FIG. 3 is a schematic cross-sectional view of the main body layer of the present invention;

fig. 4 is a schematic diagram of the enlarged structure of the section of the protective coating of the present invention.

In the figure: 1. a bolt; 101. a body layer; 1011. a wear layer; 1012. a reinforcing layer; 1013. a core layer; 102. a protective coating; 1021. a corrosion-resistant coating; 1022. an antirust coating; 2. a screw groove; 3. and (5) positioning the blocks.

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.

The utility model discloses a bolt 1, main part layer 101, wearing layer 1011, enhancement layer 1012, sandwich layer 1013, protective coating 102, corrosion-resistant coating 1021, antirust coating 1022, spiral groove 2 and locating piece 3 part are the parts that general standard component or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental methods.

Referring to fig. 1-4, an underwater anti-loosening and anti-corrosion screw includes a bolt 1, positioning blocks 3 are fixedly mounted around the bolt 1, a screw groove 2 is formed on the surface of the bolt 1, the bolt 1 includes a main body layer 101 and a protective coating 102, the protective coating 102 is located on the outer surface of the main body layer 101, the main body layer 101 includes a wear-resistant layer 1011, a reinforcing layer 1012 and a core layer 1013, the wear-resistant layer 1011 is located on the outer surface of the reinforcing layer 1012, the reinforcing layer 1012 is located on the outer surface of the core layer 1013, the wear-resistant layer 1011 is a tungsten carbide layer, the reinforcing layer 1012 is a tungsten-cobalt alloy layer, the core layer 1013 is a carbon steel layer, the protective coating 102 includes a corrosion-resistant coating 1021 and an anti-corrosion coating 1022, the corrosion-resistant coating 1021 is located on the outer surface of the anti-corrosion coating 1022, the corrosion coating 1021 is a polyurethane coating, the anti-corrosion, the top of locating piece 3 is provided with the rubber pad, screw up back locating piece 3 and required fixed article contact, can increase frictional force, prevent that bolt 1 is not hard up, wearing layer 1011 has increased bolt 1 corrosion resistance, and have the advantage that the wearability is good and intensity is high, enhancement layer 1012 has further increased bolt 1's intensity, and the chemical property is stable, bolt 1's intensity has been guaranteed to sandwich layer 1013, corrosion-resistant coating 1021 has increased bolt 1 surperficial wear-resisting and corrosion resistance, rust-resistant coating 1022 has increased bolt 1's rust resistance, it is not good to have solved current screw corrosion-resistant effect, life is shorter when using under water, and the problem that the locking loose effect is not good.

During the use, accessible thread groove 2 twists appointed position with bolt 1, the top of locating piece 3 is provided with the rubber pad, screw up back locating piece 3 and required fixed article contact, can increase frictional force, prevent that bolt 1 is not hard up, wearing layer 1011 has increased bolt 1 corrosion resistance, and have the advantage that the wearability is good and intensity is high, enhancement layer 1012 has further increased bolt 1's intensity, and the chemical property is stable, bolt 1's intensity has been guaranteed to sandwich layer 1013, corrosion-resistant coating 1021 has increased the wear-resisting and corrosion-resistant on bolt 1 surface, rust-resistant coating 1022 has increased bolt 1's antirust property, it is not good to have solved current screw corrosion-resistant effect, life is shorter when using under water, and the problem that the locking effect of taking off is not good.

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. The utility model provides an underwater anti-loosening corrosion-resistant screw, includes bolt (1), its characterized in that: all fixed mounting all around of bolt (1) has locating piece (3), thread groove (2) have been seted up on the surface of bolt (1), bolt (1) includes main part layer (101) and protective coating (102), protective coating (102) are located the surface of main part layer (101), main part layer (101) include wearing layer (1011), enhancement layer (1012) and sandwich layer (1013), protective coating (102) include corrosion resistant coating (1021) and antirust coating (1022).

2. The underwater anti-loosening corrosion-resistant screw as claimed in claim 1, wherein: the wear layer (1011) is located on an outer surface of the reinforcement layer (1012), and the reinforcement layer (1012) is located on an outer surface of the core layer (1013).

3. The underwater anti-loosening corrosion-resistant screw as claimed in claim 1, wherein: the corrosion-resistant coating (1021) is positioned on the outer surface of the antirust coating (1022), and the antirust coating (1022) is positioned on the outer surface of the wear-resistant layer (1011).

4. The underwater anti-loosening corrosion-resistant screw as claimed in claim 1, wherein: the wear-resistant layer (1011) is a tungsten carbide layer, the reinforcing layer (1012) is a tungsten-cobalt alloy layer, and the core layer (1013) is a carbon steel layer.

5. The underwater anti-loosening corrosion-resistant screw as claimed in claim 1, wherein: the corrosion-resistant coating (1021) is a polyurethane coating, and the antirust coating (1022) is a zinc coating.