CN219587932U

CN219587932U - Stainless steel bolt with long service life

Info

Publication number: CN219587932U
Application number: CN202223305027.0U
Authority: CN
Inventors: 虞阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-08-25
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a stainless steel bolt with long service life, which comprises a bolt body, wherein the bolt body comprises a connector, a cross groove, a screw rod and a gasket, a first functional layer is arranged on the surface of the bolt body, the first functional layer comprises a tungsten carbide alloy coating and a manganese alloy coating, a second functional layer is arranged on the outer surface of the first functional layer, the second functional layer comprises a KN-VS wear-resistant coating and a polyurea coating, the left side of the connector is provided with the cross groove, and the right side of the connector is fixedly connected with the screw rod. According to the utility model, through the matching of the bolt body, the connector, the cross groove, the screw, the gasket, the first functional layer, the tungsten carbide alloy coating, the manganese alloy coating, the second functional layer, the KN-VS wear-resistant coating and the polyurea coating, the problems that the existing stainless steel bolt is low in strength and poor in wear-resistant effect in the use process, and the stainless steel bolt is easy to wear are solved, so that the service life of the stainless steel bolt is shortened.

Description

Stainless steel bolt with long service life

Technical Field

The utility model relates to the technical field of bolts, in particular to a stainless steel bolt with long service life.

Background

And (3) a bolt: the mechanical parts are cylindrical threaded fasteners matched with nuts, and the fasteners consisting of a head part and a screw (a cylinder with external threads) are matched with the nuts and are used for fastening two parts with through holes.

The existing stainless steel bolt is low in strength and poor in wear-resisting effect in the using process, so that the stainless steel bolt is easy to wear, the service life of the stainless steel bolt can be reduced, and therefore, the stainless steel bolt with long service life is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the stainless steel bolt with long service life, which has the advantage of long service life, and solves the problems that the existing stainless steel bolt is low in strength and poor in wear resistance effect in the use process, so that the stainless steel bolt is easy to wear, and the service life of the stainless steel bolt is reduced.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a long service life's stainless steel bolt, includes the bolt body, the bolt body includes connector, cross groove, screw rod and gasket, the surface of bolt body is provided with first functional layer, first functional layer includes tungsten carbide alloy coating and manganese alloy coating, the surface on first functional layer sets up the second functional layer, the second functional layer includes KN-VS wear-resisting coating and polyurea coating.

Preferably, the left side of connector has seted up the cross groove, the right side fixedly connected with screw rod of connector, the surface cover of screw rod is equipped with the gasket.

Preferably, the tungsten carbide alloy coating is plated on the surface of the bolt body, and the manganese alloy coating is plated on the outer side of the tungsten carbide alloy coating.

Preferably, the KN-VS wear-resistant coating Tu Sheyu is coated on the outer side of the first functional layer, and the polyurea coating is coated on the outer side of the KN-VS wear-resistant coating.

Preferably, the thicknesses of the tungsten carbide alloy coating and the manganese alloy coating are the same, and the thicknesses of the KN-VS wear-resistant coating and the polyurea coating are the same.

Advantageous effects

Compared with the prior art, the utility model provides the stainless steel bolt with long service life, which has the following beneficial effects:

according to the utility model, through the matching of the bolt body, the connector, the cross groove, the screw, the gasket, the first functional layer, the tungsten carbide alloy coating, the manganese alloy coating, the second functional layer, the KN-VS wear-resistant coating and the polyurea coating, the problems that the existing stainless steel bolt is low in strength and poor in wear-resistant effect in the use process, and the stainless steel bolt is easy to wear are solved, so that the service life of the stainless steel bolt is shortened.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a first functional layer structure according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a first functional layer according to the present utility model;

fig. 4 is a schematic cross-sectional structure of a second functional layer of the present utility model.

In the figure: 1. a bolt body; 11. a connector; 12. a cross groove; 13. a screw; 14. a gasket; 2. a first functional layer; 21. a tungsten carbide alloy coating; 22. a manganese alloy coating; 3. a second functional layer; 31. KN-VS wear-resistant coating; 32. a polyurea coating layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, a stainless steel bolt with long service life comprises a bolt body 1, wherein the bolt body 1 comprises a connector 11, a cross groove 12, a screw 13 and a gasket 14, a first functional layer 2 is arranged on the surface of the bolt body 1, the first functional layer 2 comprises a tungsten carbide alloy coating 21 and a manganese alloy coating 22, a second functional layer 3 is arranged on the outer surface of the first functional layer 2, and the second functional layer 3 comprises a KN-VS wear-resistant coating 31 and a polyurea coating 32.

The left side of connector 11 has seted up cross groove 12, and the right side fixedly connected with screw rod 13 of connector 11, the surface cover of screw rod 13 is equipped with gasket 14.

The tungsten carbide alloy plating layer 21 is plated on the surface of the bolt body 1, and the manganese alloy plating layer 22 is plated on the outer side of the tungsten carbide alloy plating layer 21.

By providing the tungsten carbide alloy plating layer 21, the alloy has high strength and corrosion resistance, and by providing the manganese alloy plating layer 22, the alloy has high strength, high temperature resistance and corrosion resistance.

The outer side of the KN-VS wear-resistant coating 31 and Tu Sheyu of the first functional layer 2 is coated with a polyurea coating layer 32, which is arranged on the outer side of the KN-VS wear-resistant coating 31.

Through the technical scheme, the KN-VS wear-resistant coating 31 has good wear-resistant and corrosion-resistant properties, and the polyurea coating layer 32 has excellent wear resistance, ageing resistance and corrosion-resistant properties.

The tungsten carbide alloy coating 21 and the manganese alloy coating 22 have the same thickness, and the KN-VS wear-resistant coating 31 and the polyurea coating 32 have the same thickness.

When in use, the tungsten carbide alloy coating 21 is arranged, so that the high-strength and corrosion-resistant performance is realized, the manganese alloy coating 22 is arranged, the high-strength, high-temperature-resistant and corrosion-resistant performance is realized, the KN-VS wear-resistant coating 31 is arranged, the good wear-resistant and corrosion-resistant performance is realized, and the polyurea coating 32 is arranged, so that the high-strength, high-temperature-resistant and corrosion-resistant performance is realized.

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

Claims

1. The utility model provides a long service life's stainless steel bolt, includes bolt body (1), its characterized in that: bolt body (1) include connector (11), cross groove (12), screw rod (13) and gasket (14), the surface of bolt body (1) is provided with first functional layer (2), first functional layer (2) are including tungsten carbide alloy cladding material (21) and manganese alloy cladding material (22), the surface of first functional layer (2) sets up second functional layer (3), second functional layer (3) include KN-VS wear-resisting coating (31) and polyurea coating layer (32).

2. A long life stainless steel bolt according to claim 1, wherein: the left side of connector (11) has seted up cross groove (12), the right side fixedly connected with screw rod (13) of connector (11), the surface cover of screw rod (13) is equipped with gasket (14).

3. A long life stainless steel bolt according to claim 1, wherein: the tungsten carbide alloy coating (21) is coated on the surface of the bolt body (1), and the manganese alloy coating (22) is coated on the outer side of the tungsten carbide alloy coating (21).

4. A long life stainless steel bolt according to claim 1, wherein: the KN-VS wear-resistant coating (31) is coated on the outer side of the first functional layer (2), and the polyurea coating layer (32) is coated on the outer side of the KN-VS wear-resistant coating (31).

5. A long life stainless steel bolt according to claim 1, wherein: the thicknesses of the tungsten carbide alloy coating (21) and the manganese alloy coating (22) are the same, and the thicknesses of the KN-VS wear-resistant coating (31) and the polyurea coating (32) are the same.