CN214661386U

CN214661386U - Effectual bolt for automobile engine of high temperature resistant

Info

Publication number: CN214661386U
Application number: CN202120858378.0U
Authority: CN
Inventors: 杨清山
Original assignee: Jinjiang Shuguang Machinery Co ltd
Current assignee: Jinjiang Shuguang Machinery Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-09
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses an effectual bolt for automobile engine of high temperature resistant, the screw cap comprises a nut, the bottom fixedly connected with screw rod of nut, the surface cover of nut is equipped with the nut cover, the screw rod includes the basic unit, the surface of basic unit is provided with the heat-resistant layer, the surface of heat-resistant layer is provided with the wearing layer, the surface of wearing layer is provided with wear-resistant coating, the nut cover includes rubber buffer layer, rubber buffer layer's surface is provided with the enhancement layer, the surface of enhancement layer is provided with the anticorrosive coating, the material of nut is the same with the screw rod. The utility model discloses a set up nut, screw rod, nut cover, basic unit, heat-resistant layer, wearing layer, wear-resistant coating, rubber buffer layer, enhancement layer and anticorrosive coating, improved the high temperature resistance and the wear resistance of whole bolt, solved the lower problem of bolt practicality for current automobile engine, this bolt for automobile engine possesses the advantage that the practicality is high, is worth promoting.

Description

Effectual bolt for automobile engine of high temperature resistant

Technical Field

The utility model relates to an auto-parts technical field specifically is a high temperature resistant effectual bolt for automobile engine.

Background

The automobile is driven by power, the non-rail borne vehicle that has four or more than four wheels, mainly used transport personnel or goods, auto-parts are the product that constitutes each unit of car whole and serve the car, auto-parts's a great variety, along with people's improvement of living standard, people are also more and more to the consumption of car, this market of auto-parts also becomes bigger and bigger, in recent years auto-parts manufacturing plant also develops at a rapid pace, some positions need use the bolt to fix on the automobile engine, but current bolt practicality is relatively poor, the bolt does not have fine wear resistance and high temperature resistance, use under the high temperature environment for a long time and reduced the life of bolt, be unfavorable for the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant effectual bolt for automobile engine possesses the high advantage of practicality, has solved the lower problem of bolt practicality for current automobile engine.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an effectual bolt for automobile engine of high temperature resistant, includes the nut, the bottom fixedly connected with screw rod of nut, the surface cover of nut is equipped with the nut cover, the screw rod includes the basic unit, the surface of basic unit is provided with the heat-resistant layer, the surface of heat-resistant layer is provided with the wearing layer, the surface of wearing layer is provided with wear-resistant coating, the nut cover includes rubber buffer layer, rubber buffer layer's surface is provided with the enhancement layer, the surface of enhancement layer is provided with the anticorrosive coating, the material of nut is the same with the screw rod.

Preferably, the surface of screw rod is equipped with gasket and nut from last to overlapping in proper order down, the surface and the nut of screw rod pass through threaded connection, the surface and the gasket contact of screw rod.

Preferably, the base layer is made of a carbon steel alloy material, and the heat-resistant layer is made of a ceramic metal material.

Preferably, the wear-resistant layer is made of a nichrome layer, and the wear-resistant coating is made of tungsten carbide cobalt hard alloy.

Preferably, the rubber buffer layer is made of rubber, the reinforcing layer is made of PPS (polyphenylene sulfide), and the anticorrosive layer is made of a polytetrafluoroethylene coating.

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

1. the utility model discloses a set up nut, screw rod, nut cover, basic unit, heat-resistant layer, wearing layer, wear-resistant coating, rubber buffer layer, enhancement layer and anticorrosive coating, improved the high temperature resistance and the wear resistance of whole bolt, solved the lower problem of bolt practicality for current automobile engine, this bolt for automobile engine possesses the advantage that the practicality is high, is worth promoting.

2. The utility model discloses a set up the nut cover, can play the effect of protection nut, through setting up the heat-resistant layer, ceramic metal material can improve the high temperature resistance ability of whole bolt, through setting up wearing layer and wear-resistant coating, nickel-chromium alloy layer and tungsten carbide cobalt carbide can improve the wear resistance ability on whole bolt surface, through setting up the rubber buffer layer, rubber material can play the effect of buffering, better protection nut, through setting up the enhancement layer, the PPS polyphenylene sulfide has mechanical strength height, high temperature resistance, chemical resistance, fire-retardant, thermal stability is good, advantages such as electrical property is good, electronic, automobile, machinery and chemical industry all have the wide application, can protect the nut better, through setting up the anticorrosive coating, the polytetrafluoroethylene coating can play corrosion-resistant effect, improve the life of nut cover.

Drawings

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

FIG. 2 is a schematic view of the screw of the present invention;

fig. 3 is a schematic view of the nut sleeve of the present invention.

In the figure: 1. a nut; 2. a screw; 3. a nut sleeve; 4. a base layer; 5. a heat-resistant layer; 6. a wear layer; 7. a wear-resistant coating; 8. a rubber buffer layer; 9. a reinforcing layer; 10. an anticorrosive layer; 11. a gasket; 12. and a nut.

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. 1-3, a bolt for an automobile engine with good high temperature resistance effect comprises a nut 1, a screw 2 is fixedly connected to the bottom of the nut 1, a nut sleeve 3 is sleeved on the surface of the nut 1, the screw 2 comprises a base layer 4, a heat-resistant layer 5 is arranged on the surface of the base layer 4, a wear-resistant layer 6 is arranged on the surface of the heat-resistant layer 5, a wear-resistant coating 7 is arranged on the surface of the wear-resistant layer 6, the nut sleeve 3 comprises a rubber buffer layer 8, a reinforcing layer 9 is arranged on the surface of the rubber buffer layer 8, an anti-corrosion layer 10 is arranged on the surface of the reinforcing layer 9, the nut 1 is made of the same material as the screw 2, a gasket 11 and a nut 12 are sequentially sleeved on the surface of the screw 2 from top to bottom, the surface of the screw 2 is connected with the nut 12 through threads, the surface of the screw 2 is in contact with the gasket 11, the base layer 4 is made of a carbon steel alloy material, and the heat-resistant layer 5 is made of a ceramic metal material, the material of the wear-resistant layer 6 is a nickel-chromium alloy layer, the material of the wear-resistant coating layer 7 is tungsten carbide cobalt hard alloy, the material of the rubber buffer layer 8 is made of rubber, the material of the reinforcing layer 9 is PPS polyphenylene sulfide, the material of the anticorrosive layer 10 is a polytetrafluoroethylene coating, the nut sleeve 3 is arranged to play a role in protecting the nut 1, the ceramic metal material can improve the high-temperature resistance of the whole bolt by arranging the heat-resistant layer 5, the wear-resistant layer 6 and the wear-resistant coating layer 7 can improve the wear resistance of the surface of the whole bolt by arranging the nickel-chromium alloy layer and the tungsten carbide cobalt hard alloy, the rubber buffer layer 8 can play a role in buffering, the nut 1 is better protected, and the PPS has the advantages of high mechanical strength, high temperature resistance, chemical resistance, flame resistance, good thermal stability, excellent electrical property and the like by arranging the reinforcing layer 9, at electron, the car, machinery and chemical industry field all have the wide application, can protect nut 1 better, through setting up anticorrosive coating 10, the polytetrafluoroethylene coating can play corrosion-resistant effect, improve nut cover 3's life, through setting up nut 1, screw rod 2, nut cover 3, basic unit 4, heat-resistant layer 5, wearing layer 6, wear-resistant coating 7, rubber buffer layer 8, enhancement layer 9 and anticorrosive coating 10, the high temperature resistance and the wear resistance of whole bolt have been improved, the lower problem of bolt practicality for current automobile engine has been solved, this bolt for automobile engine, possess the advantage that the practicality is high, be worth promoting.

During the use, nut cover 3 can play the effect of protection nut 1, the ceramic metal material in heat-resistant layer 5 can improve the high temperature resistance ability of whole bolt, nickel chromium alloy layer and tungsten carbide cobalt carbide in wearing layer 6 and the wear-resistant coating 7 can improve the wear resistance ability on whole bolt surface, rubber material in rubber buffer layer 8 can play the effect of buffering, better protection nut 1, the PPS polyphenylene sulfide in enhancement layer 9 has mechanical strength height, high temperature resistance, chemical resistance, difficult combustion, thermal stability is good, advantages such as electrical property is good, in electronics, automobile, machinery and chemical industry all have wide application, can better protection nut 1, the polytetrafluoroethylene coating in anticorrosive coating 10 can play corrosion-resistant effect, improve nut cover 3's life.

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 high temperature resistant effectual bolt for automobile engine, includes nut (1), its characterized in that: the bottom fixedly connected with screw rod (2) of nut (1), the surface cover of nut (1) is equipped with nut cover (3), screw rod (2) are including basic unit (4), the surface of basic unit (4) is provided with heat-resistant layer (5), the surface of heat-resistant layer (5) is provided with wearing layer (6), the surface of wearing layer (6) is provided with wear-resistant coating (7), nut cover (3) are including rubber buffer layer (8), the surface of rubber buffer layer (8) is provided with enhancement layer (9), the surface of enhancement layer (9) is provided with anticorrosive coating (10), the material of nut (1) is the same with screw rod (2).

2. The bolt for the automobile engine with good high-temperature resistance effect according to claim 1, is characterized in that: the surface of screw rod (2) is from last to overlapping in proper order down and is equipped with gasket (11) and nut (12), the surface and the nut (12) of screw rod (2) pass through threaded connection, the surface and the gasket (11) contact of screw rod (2).

3. The bolt for the automobile engine with good high-temperature resistance effect according to claim 1, is characterized in that: the base layer (4) is made of carbon steel alloy materials, and the heat-resistant layer (5) is made of ceramic metal materials.

4. The bolt for the automobile engine with good high-temperature resistance effect according to claim 1, is characterized in that: the wear-resistant layer (6) is made of a nichrome layer, and the wear-resistant coating (7) is made of tungsten carbide cobalt hard alloy.

5. The bolt for the automobile engine with good high-temperature resistance effect according to claim 1, is characterized in that: the rubber buffer layer (8) is made of rubber, the reinforcing layer (9) is made of PPS polyphenylene sulfide, and the anticorrosive layer (10) is made of a polytetrafluoroethylene coating.