CN213929092U

CN213929092U - Stainless steel bolt with good rust prevention effect

Info

Publication number: CN213929092U
Application number: CN202022304396.2U
Authority: CN
Inventors: 汪凯
Original assignee: Harbin Zhonghe Power Station Fittings Co ltd
Current assignee: Harbin Zhonghe Power Station Fittings Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-08-10
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a stainless steel bolt that rust-resistant effect is good, including the bolt body, the bolt body includes the stratum basale, the surface of stratum basale bonds through the metal bonding agent has first antirust coat, first antirust coat includes nickel alloy layer and copper alloy layer, and the surface of first antirust coat bonds through the metal bonding agent has the second antirust coat, and the second antirust coat includes electro-galvanization layer and titanium alloy layer. The utility model discloses it has first antirust coat to bond through the metal bonding agent at the surface of stratum basale, nickel alloy layer and copper alloy layer that first antirust coat includes all have better rust-resistant effect of losing, it has the second antirust coat to bond through the metal bonding agent at the surface of first antirust coat, the electro-galvanizing layer and the titanium alloy layer that the second antirust coat includes all have better rust-resistant effect of losing, the purpose that rust-resistant effect is good has been reached, the current stainless steel bolt of having solved does not possess the function that rust-resistant effect is good, lead to its easy corrosion and the problem of damage.

Description

Stainless steel bolt with good rust prevention effect

Technical Field

The utility model relates to a bolt technical field specifically is a stainless steel bolt that rust-resistant effect is good.

Background

The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, a fastener composed of a head part and a screw (a cylinder with an external thread) needs to be matched with the nut and is used for fastening and connecting two parts with through holes, wherein a stainless steel bolt is involved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel bolt that rust-resistant effect is good to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a stainless steel bolt with a good rust prevention effect comprises a bolt body, wherein the bolt body comprises a substrate layer, a first rust prevention layer is bonded on the outer surface of the substrate layer through a metal adhesive, the first rust prevention layer comprises a nickel alloy layer and a copper alloy layer, a second rust prevention layer is bonded on the outer surface of the first rust prevention layer through the metal adhesive, and the second rust prevention layer comprises an electroplated zinc layer and a titanium alloy layer.

Preferably, the copper alloy layer is located on an outer surface of the base layer, and the outer surface of the copper alloy layer and an inner surface of the nickel alloy layer are bonded by a metal adhesive.

Preferably, the thickness of the nickel alloy layer is the same as that of the copper alloy layer, and the thickness of the first rust preventive layer is 0.5 to 0.6 times the radius of the base layer.

Preferably, the titanium alloy layer is positioned on the outer surface of the first anti-rust layer, and the outer surface of the titanium alloy layer is bonded with the inner surface of the electroplated zinc layer through a metal adhesive.

Preferably, the thickness of the electroplated zinc layer is the same as that of the titanium alloy layer, and the thickness of the second antirust layer is 0.2-0.3 times of the radius of the substrate layer.

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

the utility model discloses it has first antirust coat to bond through the metal bonding agent at the surface of stratum basale, nickel alloy layer and copper alloy layer that first antirust coat includes all have better rust-resistant effect of losing, it has the second antirust coat to bond through the metal bonding agent at the surface of first antirust coat, the electro-galvanizing layer and the titanium alloy layer that the second antirust coat includes all have better rust-resistant effect of losing, the purpose that rust-resistant effect is good has been reached, the current stainless steel bolt of having solved does not possess the function that rust-resistant effect is good, lead to its easy corrosion and the problem of damage.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the bolt body of the present invention;

FIG. 3 is a schematic structural view of a first antirust layer of the present invention;

FIG. 4 is a schematic structural view of a second antirust layer of the present invention.

In the figure: 1. a bolt body; 11. a base layer; 12. a first antirust layer; 121. a nickel alloy layer; 122. a copper alloy layer; 13. a second antirust layer; 131. electroplating a zinc layer; 132. a titanium alloy layer.

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 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 bolt body 1, the substrate layer 11, the first antirust layer 12, the nickel alloy layer 121, the copper alloy layer 122, the second antirust layer 13, the electro-galvanized layer 131 and the titanium alloy layer 132 of the present invention are all parts known by the general standard or the skilled in the art, and the structure and the principle thereof can be known by the technical manual or by the conventional experimental method.

Referring to fig. 1-4, a stainless steel bolt with good rust prevention effect comprises a bolt body 1, wherein the bolt body 1 comprises a substrate layer 11, a first rust prevention layer 12 is adhered to the outer surface of the substrate layer 11 through a metal adhesive, the first rust prevention layer 12 comprises a nickel alloy layer 121 and a copper alloy layer 122, the copper alloy layer 122 is positioned on the outer surface of the substrate layer 11, the outer surface of the copper alloy layer 122 is adhered to the inner surface of the nickel alloy layer 121 through the metal adhesive, the thickness of the nickel alloy layer 121 is the same as that of the copper alloy layer 122, the thickness of the first rust prevention layer 12 is 0.5-0.6 times of the radius of the substrate layer 11, a second rust prevention layer 13 is adhered to the outer surface of the first rust prevention layer 12 through the metal adhesive, the second rust prevention layer 13 comprises an electroplated zinc layer 131 and a titanium alloy layer 132, the titanium alloy layer 132 is positioned on the outer surface of the first rust prevention layer 12, the outer surface of the titanium alloy layer 132 is adhered to the inner surface of the electroplated zinc layer 131 through the metal adhesive, the thickness of the electro-galvanized layer 131 is the same as that of the titanium alloy layer 132, the thickness of the second anti-rust layer 13 is 0.2-0.3 times of the radius of the substrate layer 11, the first anti-rust layer 12 is bonded on the outer surface of the substrate layer 11 through a metal adhesive, the nickel alloy layer 121 and the copper alloy layer 122 included in the first anti-rust layer 12 both have a good anti-rust effect, the second anti-rust layer 13 is bonded on the outer surface of the first anti-rust layer 12 through a metal adhesive, and the electro-galvanized layer 131 and the titanium alloy layer 132 included in the second anti-rust layer 13 both have a good anti-rust effect, so that the purpose of good anti-rust effect is achieved.

When the anti-rust bolt is used, the first anti-rust layer 12 is bonded on the outer surface of the base layer 11 through the metal adhesive, the nickel alloy layer 121 and the copper alloy layer 122 which are included in the first anti-rust layer 12 have a good anti-rust effect, the second anti-rust layer 13 is bonded on the outer surface of the first anti-rust layer 12 through the metal adhesive, the electro-zinc plating layer 131 and the titanium alloy layer 132 which are included in the second anti-rust layer 13 have a good anti-rust effect, the purpose of good anti-rust effect is achieved, and the problem that the existing stainless steel bolt is easy to rust and damage due to the fact that the existing stainless steel bolt does not have the function of good anti-rust effect is solved.

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 a rust-resistant effectual stainless steel bolt, includes bolt body (1), its characterized in that: the bolt body (1) comprises a substrate layer (11), a first antirust layer (12) is bonded to the outer surface of the substrate layer (11) through a metal adhesive, the first antirust layer (12) comprises a nickel alloy layer (121) and a copper alloy layer (122), a second antirust layer (13) is bonded to the outer surface of the first antirust layer (12) through the metal adhesive, and the second antirust layer (13) comprises an electroplated zinc layer (131) and a titanium alloy layer (132).

2. The stainless steel bolt with good antirust effect according to claim 1, characterized in that: the copper alloy layer (122) is positioned on the outer surface of the base layer (11), and the outer surface of the copper alloy layer (122) and the inner surface of the nickel alloy layer (121) are bonded through a metal adhesive.

3. The stainless steel bolt with good antirust effect according to claim 1, characterized in that: the thickness of the nickel alloy layer (121) is the same as that of the copper alloy layer (122), and the thickness of the first antirust layer (12) is 0.5-0.6 times of the radius of the substrate layer (11).

4. The stainless steel bolt with good antirust effect according to claim 1, characterized in that: the titanium alloy layer (132) is positioned on the outer surface of the first anti-rust layer (12), and the outer surface of the titanium alloy layer (132) is bonded with the inner surface of the electro-galvanized layer (131) through a metal adhesive.

5. The stainless steel bolt with good antirust effect according to claim 1, characterized in that: the thickness of the electro-galvanized layer (131) is the same as that of the titanium alloy layer (132), and the thickness of the second anti-rust layer (13) is 0.2-0.3 times of the radius of the substrate layer (11).