CN213360774U

CN213360774U - High-strength nut with good weather resistance

Info

Publication number: CN213360774U
Application number: CN202021927452.1U
Authority: CN
Inventors: 余琪
Original assignee: Hangzhou Tangcheng Hardware Tools Co ltd
Current assignee: Hangzhou Tangcheng Hardware Tools Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-04
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a nut that high strength weatherability can be good, including the nut body, the thread groove has been seted up to the inner chamber of nut body, and the surface of nut body is provided with resistant time layer, and the internal surface of nut body is provided with the anticorrosive coating, and resistant time layer includes polyurethane dope layer, fluorocarbon dope layer and ceramic dope layer, and polyurethane dope layer is located the top of fluorocarbon dope layer and connects through the phenolic resin adhesive, and the fluorocarbon dope layer is located the top of ceramic dope layer and connects through the phenolic resin adhesive. The utility model discloses a cooperation of nut body, thread groove, resistant layer of waiting, polyurethane dope layer, fluorocarbon dope layer, ceramic dope layer, anticorrosive coating, epoxy furan dope layer and polytetrafluoroethylene dope layer is used, has reached the advantage that the weatherability is good, and it is not good to have solved current nut weatherability when using, and often the nut exposes for a long time and uses outside, leads to the nut to endure that the ability is not good, consequently influences nut life's problem.

Description

High-strength nut with good weather resistance

Technical Field

The utility model relates to a nut technical field specifically is a nut that high strength weatherability can be good.

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials, and the existing nut is poor in weather resistance when in use, and is often exposed for a long time to use, so that the tolerance capability of the nut is poor, and the service life of the nut is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a nut that high strength weatherability can be good possesses the advantage that the weatherability is good, has solved current nut and is not good when using the weatherability, and often the nut exposes for a long time and uses outside, leads to the nut tolerance not good, consequently influences nut life's problem.

(II) technical scheme

For the purpose that realizes that above-mentioned weatherability is good, the utility model provides a following technical scheme: the utility model provides a nut that high strength weatherability is good, includes the nut body, the thread groove has been seted up to the inner chamber of nut body, the surface of nut body is provided with resistant weather layer, the internal surface of nut body is provided with the anticorrosive coating.

Preferably, it includes polyurethane coating layer, fluorocarbon coating layer and ceramic coating layer to wait the layer, the polyurethane coating layer is located the top of fluorocarbon coating layer and connects through the phenolic resin adhesive, the fluorocarbon coating layer is located the top of ceramic coating layer and connects through the phenolic resin adhesive.

Preferably, the anticorrosive coating includes epoxy furan coating layer and polytetrafluoroethylene coating layer, the epoxy furan coating layer is located the top of polytetrafluoroethylene coating layer and connects through phenolic resin adhesive.

Preferably, the outer surface of the nut body is connected with the inner side of the weather-resistant layer through a phenolic resin adhesive, and the inner surface of the nut body is connected with the inner side of the anticorrosive layer through a phenolic resin adhesive.

Preferably, the thickness of the weather-resistant layer is 1 mm-2 mm, and the thickness of the anticorrosive layer is 0.6 mm-1.5 mm.

(III) advantageous effects

Compared with the prior art, the utility model provides a nut that high strength weatherability can be good possesses following beneficial effect:

1. the utility model discloses a cooperation of nut body, thread groove, resistant layer of waiting, polyurethane dope layer, fluorocarbon dope layer, ceramic dope layer, anticorrosive coating, epoxy furan dope layer and polytetrafluoroethylene dope layer is used, has reached the advantage that the weatherability is good, and it is not good to have solved current nut weatherability when using, and often the nut exposes for a long time and uses outside, leads to the nut to endure that the ability is not good, consequently influences nut life's problem.

2. The utility model discloses a polyurethane coating layer, polyurethane coating layer have that adhesive force is strong, the wearability is good, hardness is big and high and the good superiority of chemical resistance, weatherability etc.

3. The utility model discloses a fluorocarbon dope layer, fluorocarbon dope layer have weatherability, heat resistance, low temperature resistance and chemical resistance nature, have unique non-adhesion and low friction moreover.

4. The utility model discloses a ceramic coating layer, ceramic coating layer have acid resistance, alkali resistance, high temperature resistance, waterproof performance, high abrasion and weatherability.

5. 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.

6. The utility model discloses a polytetrafluoroethylene dope layer, polytetrafluoroethylene dope layer have high temperature resistant, low temperature resistant, corrosion-resistant and waterproof, have adhesive force strong, antifriction and hardness strong etc..

Drawings

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

fig. 2 is a sectional view of the nut body structure of the present invention;

FIG. 3 is a cross-sectional view of the weatherable layer structure of the present invention;

fig. 4 is a cross-sectional view of the corrosion protection layer structure of the present invention.

In the figure: 1. a nut body; 2. a thread groove; 3. a weatherable layer; 301. a polyurethane coating layer; 302. a fluorocarbon coating layer; 303. a ceramic coating layer; 4. an anticorrosive layer; 401. an epoxy furan coating layer; 402. and a polytetrafluoroethylene coating 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 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 nut body 1, thread groove 2, resistant layer 3 of waiting, polyurethane coating layer 301, fluorocarbon coating layer 302, ceramic coating layer 303, anticorrosive coating 4, epoxy furan coating layer 401 and polytetrafluoroethylene coating layer 402 part are the parts that general standard spare or field technician know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a nut with high strength and good weather resistance comprises a nut body 1, a thread groove 2 is formed in an inner cavity of the nut body 1, the nut body 1 is made of alloy, a weather-resistant layer 3 is arranged on an outer surface of the nut body 1, the weather-resistant layer 3 comprises a polyurethane coating layer 301, a fluorocarbon coating layer 302 and a ceramic coating layer 303, the polyurethane coating layer 301 is positioned on the top of the fluorocarbon coating layer 302 and connected through a phenolic resin adhesive, the fluorocarbon coating layer 302 is positioned on the top of the ceramic coating layer 303 and connected through the phenolic resin adhesive, the outer surface of the nut body 1 is connected with the inner side of the weather-resistant layer 3 through the phenolic resin adhesive, the weather-resistant layer 3 has a thickness of 1 mm-2 mm, and through the polyurethane coating layer 301, the polyurethane coating layer 301 has superior performances of strong adhesion, good wear resistance, large hardness, good chemical, through the fluorocarbon paint layer 302, the fluorocarbon paint layer 302 has weather resistance, heat resistance, low temperature resistance and chemical resistance, and has unique non-stick property and low friction, through the ceramic paint layer 303, the ceramic paint layer 303 has acid resistance, alkali resistance, high temperature resistance, waterproof performance, high wear resistance and weather resistance, the inner surface of the nut body 1 is provided with an anticorrosive coating 4, the anticorrosive coating 4 comprises an epoxy furan paint layer 401 and a polytetrafluoroethylene paint layer 402, the epoxy furan paint layer 401 is positioned on the top of the polytetrafluoroethylene paint layer 402 and is connected through a phenolic resin adhesive, the inner surface of the nut body 1 is connected with the inner side of the anticorrosive coating 4 through the phenolic resin adhesive, the thickness of the anticorrosive coating 4 is 0.6 mm-1.5 mm, through the epoxy furan paint layer 401, the epoxy furan paint layer 401 has outstanding corrosion resistance, heat resistance and wear resistance, and can also improve the function of smooth finish, through the polytetrafluoroethylene coating 402, the polytetrafluoroethylene coating 402 has high temperature resistance, low temperature resistance, corrosion resistance and waterproof, and has strong adhesive force, friction resistance, strong hardness and the like.

When the nut is used, the outer surface of the nut body 1 is provided with the weather-resistant layer 3, the outer surface of the nut body 1 is connected with the inner side of the weather-resistant layer 3 through a phenolic resin adhesive, the weather-resistant layer 3 comprises a polyurethane coating layer 301, a fluorocarbon coating layer 302 and a ceramic coating layer 303, the polyurethane coating layer 301 is positioned at the top of the fluorocarbon coating layer 302 and is connected with the inner side of the weather-resistant layer 3 through the phenolic resin adhesive, the fluorocarbon coating layer 302 is positioned at the top of the ceramic coating layer 303 and is connected with the ceramic coating layer 303 through the phenolic resin adhesive, the polyurethane coating layer 301 has the excellent performances of strong adhesive force, good wear resistance, high hardness, good chemical resistance, good weather resistance and the like, the fluorocarbon coating layer 302 has the performances of weather resistance, heat resistance, low temperature resistance and chemical resistance, and has unique non-adhesiveness and low friction, and the ceramic, High abrasion resistance and weatherability have reached the advantage that the weatherability is good through the cooperation of above-mentioned structure, have solved current nut when using weatherability not good, often the nut exposes for a long time and uses outside, lead to the nut tolerance ability not good, consequently influence nut life's problem.

While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various modifications and changes can be made in the present invention. 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 nut that high strength weatherability can be good, includes nut body (1), its characterized in that: the inner cavity of the nut body (1) is provided with a thread groove (2), the outer surface of the nut body (1) is provided with a weather-resistant layer (3), and the inner surface of the nut body (1) is provided with an anticorrosive layer (4).

2. The nut of claim 1, wherein the nut has high strength and good weather resistance, and is characterized in that: weather resistant layer (3) include polyurethane coating layer (301), fluorocarbon coating layer (302) and ceramic coating layer (303), polyurethane coating layer (301) are located the top of fluorocarbon coating layer (302) and connect through the phenolic resin adhesive, fluorocarbon coating layer (302) are located the top of ceramic coating layer (303) and connect through the phenolic resin adhesive.

3. The nut of claim 1, wherein the nut has high strength and good weather resistance, and is characterized in that: anticorrosive coating (4) include epoxy furan dope layer (401) and polytetrafluoroethylene dope layer (402), epoxy furan dope layer (401) are located the top of polytetrafluoroethylene dope layer (402) and connect through the phenolic resin adhesive.

4. The nut of claim 1, wherein the nut has high strength and good weather resistance, and is characterized in that: the outer surface of the nut body (1) is connected with the inner side of the weather-resistant layer (3) through a phenolic resin adhesive, and the inner surface of the nut body (1) is connected with the inner side of the anticorrosive layer (4) through the phenolic resin adhesive.

5. The nut of claim 1, wherein the nut has high strength and good weather resistance, and is characterized in that: the thickness of the weather-resistant layer (3) is 1-2 mm, and the thickness of the anticorrosive layer (4) is 0.6-1.5 mm.