CN214617399U

CN214617399U - Novel bolt

Info

Publication number: CN214617399U
Application number: CN202120155459.4U
Authority: CN
Inventors: 张博
Original assignee: Shaanxi Lead Mechanical & Electrical Engineering Co ltd
Current assignee: Shaanxi Lead Mechanical & Electrical Engineering Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-05
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to a bolt technical field specifically discloses a novel bolt, including the spiral shell body, the right side fixedly connected with bolt head of the spiral shell body, the surface of the spiral shell body is scribbled and is equipped with high temperature resistant layer, the surface on high temperature resistant layer is scribbled and is equipped with the anticorrosive coating, high temperature resistant layer includes polytetrafluoroethylene dope layer, epoxy furan dope layer and polyurethane dope layer, the polytetrafluoroethylene dope layer is located the top of epoxy furan dope layer. The utility model discloses a cooperation of the spiral shell body, high temperature resistant layer, polytetrafluoroethylene dope layer, epoxy furan dope layer, polyurethane dope layer, anti-corrosion coating, zinc silicate dope layer and polypropylene dope layer has reached high temperature resistant effectual advantage, and it is not good to have solved current bolt high temperature resistant effect when using, and often the bolt meets when high temperature, and its surface can receive the influence to as for bolt life greatly reduced's problem.

Description

Novel bolt

Technical Field

The utility model relates to a bolt technical field specifically is a novel bolt.

Background

The bolt is a mechanical part, the cylindrical threaded fastener of adapted nut, a class of fastener of compriseing head and screw rod (the cylinder that has the external screw thread), need with the nut cooperation, be used for the fastening connection two parts that have the through-hole, this kind of connection form is called bolted connection, if unscrew the nut from the bolt, can make these two parts part parts separate again, so bolted connection belongs to and can dismantle the connection, and current bolt is high temperature resistant effect not good when using, often when the bolt meets high temperature, its surface can receive the influence, so that bolt life greatly reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a novel bolt possesses high temperature resistant effectual advantage, and it is not good to have solved current bolt high temperature resistant effect when using, and when often the bolt met high temperature, its surface can receive the influence to bolt life greatly reduced's problem.

The utility model discloses a novel bolt, including the screw body, the right side fixedly connected with bolt head of the screw body, the surface of the screw body is scribbled and is equipped with high temperature resistant layer, the surface on high temperature resistant layer is scribbled and is equipped with anti-corrosion coating.

The utility model discloses a novel bolt, wherein high temperature resistant layer includes polytetrafluoroethylene dope layer, epoxy furan dope layer and polyurethane dope layer, the polytetrafluoroethylene dope layer is located the top of epoxy furan dope layer, the epoxy furan dope layer is located the top of polyurethane dope layer.

The utility model discloses a novel bolt, wherein the thickness of polytetrafluoroethylene dope layer is 0.4mm ~ 0.8mm, the thickness of epoxy furan dope layer is 0.5mm ~ 1mm, the thickness of polyurethane dope layer is 1.5mm ~ 2 mm.

The utility model discloses a novel bolt, wherein the anti-corrosion coating includes zinc silicate dope layer and polypropylene dope layer, the zinc silicate dope layer is located polypropylene dope layer's top.

The utility model discloses a novel bolt, wherein the thickness of zinc silicate dope layer is 1mm ~ 2mm, the thickness of polypropylene dope layer is 0.8mm ~ 2.5 mm.

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

1. the utility model discloses a cooperation of the spiral shell body, high temperature resistant layer, polytetrafluoroethylene dope layer, epoxy furan dope layer, polyurethane dope layer, anti-corrosion coating, zinc silicate dope layer and polypropylene dope layer has reached high temperature resistant effectual advantage, and it is not good to have solved current bolt high temperature resistant effect when using, and often the bolt meets when high temperature, and its surface can receive the influence to as for bolt life greatly reduced's problem.

2. The utility model discloses a polytetrafluoroethylene dope layer, polytetrafluoroethylene dope layer have the acid-fast alkali-resistant, corrosion-resistant, anti various organic solvent and high temperature resistance can be good.

3. The utility model discloses an epoxy furan dope layer, epoxy furan dope layer have outstanding corrosion resistance, heat resistance and wear resistance, can also improve the effect of smooth finish.

4. The utility model discloses a polyurethane dope layer, polyurethane dope layer have good chemical resistance nature, oil resistance, prevent rustting, wearability and adhesive force.

5. The utility model discloses a zinc silicate dope layer, zinc silicate dope layer have the durability good, from the closure good, corrosion-resistant, high temperature resistant, resistant time and resistant ultraviolet light performance.

6. The utility model discloses a polypropylene coating layer, polypropylene coating layer have intensity height, elasticity good, wear-resisting, corrosion-resistant, electrical insulation, warmth retention and prevent static.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a cross-sectional view of the refractory layer structure of the present invention;

fig. 3 is a cross-sectional view of the corrosion protection layer structure of the present invention.

In the figure: 1. a screw body; 2. a high temperature resistant layer; 201. a polytetrafluoroethylene coating layer; 202. an epoxy furan coating layer; 203. a polyurethane coating layer; 3. an anti-corrosion layer; 301. a zinc silicate coating layer; 302. a polypropylene coating layer; 4. the bolt head.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a screw rod body 1, high temperature resistant layer 2, polytetrafluoroethylene dope layer 201, epoxy furan dope layer 202, polyurethane dope layer 203, anti-corrosion coating 3, zinc silicate dope layer 301, polypropylene dope layer 302 and bolt head 4 part are the parts that general standard spare or technical staff in the field know, and its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a novel bolt of the present invention comprises a bolt body 1, a bolt head 4 fixedly connected to the right side of the bolt body 1, a high temperature resistant layer 2 coated on the surface of the bolt body 1, the high temperature resistant layer 2 including a teflon coating layer 201, an epoxy furan coating layer 202 and a polyurethane coating layer 203, the teflon coating layer 201 being located on the top of the epoxy furan coating layer 202, the epoxy furan coating layer 202 being located on the top of the polyurethane coating layer 203, the teflon coating layer 201 having a thickness of 0.4mm to 0.8mm, the epoxy furan coating layer 202 having a thickness of 0.5mm to 1mm, the polyurethane coating layer 203 having a thickness of 1.5mm to 2mm, the teflon coating layer 201 having acid and alkali resistance, corrosion resistance, resistance to various organic solvents and high temperature resistance, the epoxy furan coating layer 202, the epoxy furan paint layer 202 has outstanding corrosion resistance, heat resistance and abrasion resistance and can also improve the effect of smoothness, the polyurethane paint layer 203 has good chemical corrosion resistance, oil resistance, rust prevention, wear resistance and adhesive force, the surface of the high temperature resistant layer 2 is coated with the anti-corrosion layer 3, the anti-corrosion layer 3 comprises a zinc silicate paint layer 301 and a polypropylene paint layer 302, the zinc silicate paint layer 301 is positioned on the top of the polypropylene paint layer 302, the thickness of the zinc silicate paint layer 301 is 1 mm-2 mm, the thickness of the polypropylene paint layer 302 is 0.8 mm-2.5 mm, the zinc silicate paint layer 301 has good durability, good self-sealing property, corrosion resistance, high temperature resistance, weather resistance and ultraviolet ray resistance, and the polypropylene paint layer 302 has high strength, good elasticity, Wear resistance, corrosion resistance, electrical insulation, heat retention and static electricity prevention.

When using the utility model discloses the time: the anti-corrosion layer 3 comprises a zinc silicate coating layer 301 and a polypropylene coating layer 302, the zinc silicate coating layer 301 is positioned on the top of the polypropylene coating layer 302, the zinc silicate coating layer 301 is arranged to have good durability, good self-sealing property, corrosion resistance, high temperature resistance, weather resistance and ultraviolet ray resistance, the polypropylene coating layer 302 is arranged to have high strength, good elasticity, wear resistance, corrosion resistance, electric insulation, heat preservation and static electricity resistance, the anti-corrosion performance of the bolt is improved through the matching of the structures, the high temperature resistance layer 2 comprises a polytetrafluoroethylene coating layer 201, an epoxy furan coating layer 202 and a polyurethane coating layer 203, the polytetrafluoroethylene coating layer 201 is positioned on the top of the epoxy furan coating layer 202, the epoxy furan coating layer 202 is positioned on the top of the polyurethane coating layer 203, the polytetrafluoroethylene coating layer 201 is arranged to have acid and alkali resistance, corrosion resistance, various organic solvents resistance and good high temperature resistance, the epoxy furan paint layer 202 is arranged to have outstanding corrosion resistance, heat resistance and wear resistance, the effect of smoothness can be improved, the polyurethane paint layer 203 is arranged to have good chemical corrosion resistance, oil resistance, rustiness prevention, wear resistance and adhesive force, the advantage of good high temperature resistance effect is achieved through the cooperation of the structure, the problems that the existing bolt is poor in high temperature resistance effect when in use, and the surface of the existing bolt is affected when the bolt meets high temperature often, so that the service life of the bolt is greatly reduced are solved.

The above is merely an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a novel bolt, includes the screw body (1), its characterized in that: the bolt is characterized in that a bolt head (4) is fixedly connected to the right side of the bolt body (1), a high-temperature-resistant layer (2) is coated on the surface of the bolt body (1), and an anti-corrosion layer (3) is coated on the surface of the high-temperature-resistant layer (2).

2. A new bolt according to claim 1, characterized in that: high temperature resistant layer (2) include polytetrafluoroethylene dope layer (201), epoxy furan dope layer (202) and polyurethane dope layer (203), polytetrafluoroethylene dope layer (201) are located the top of epoxy furan dope layer (202), epoxy furan dope layer (202) are located the top of polyurethane dope layer (203).

3. A new bolt according to claim 2, characterized in that: the thickness of the polytetrafluoroethylene coating layer (201) is 0.4-0.8 mm, the thickness of the epoxy furan coating layer (202) is 0.5-1 mm, and the thickness of the polyurethane coating layer (203) is 1.5-2 mm.

4. A new bolt according to claim 1, characterized in that: the anti-corrosion layer (3) comprises a zinc silicate coating layer (301) and a polypropylene coating layer (302), wherein the zinc silicate coating layer (301) is positioned on the top of the polypropylene coating layer (302).

5. The new bolt according to claim 4, characterized in that: the thickness of the zinc silicate coating layer (301) is 1 mm-2 mm, and the thickness of the polypropylene coating layer (302) is 0.8 mm-2.5 mm.