Anti-loose and anti-theft high-strength bolt

Abstract

The utility model relates to the technical field of bolts, in particular to an anti-loose anti-theft high-strength bolt which comprises a bolt head, a screw rod is fixedly installed at the bottom end of the bolt head, the fixing mode can be replaced by welding or bolts, the screw rod comprises a base material layer, a plating layer is arranged on the base material layer, a phosphate coating is arranged on the plating layer, and the phosphate coating is arranged on the base material layer. A phosphate coating is arranged at the top end of the screw head, a silicon coating is arranged on the phosphate coating, a lubricating layer is arranged on the silicon coating, six through holes are formed in the top end of the screw head, and an injection mechanism is arranged in the screw head. According to the anti-theft bolt, the injection mechanism is arranged, after the bolt is installed, glue liquid can be conveniently injected between the screw rod and the bolt installation hole, so that the anti-theft purpose is achieved, through the arrangement of the through hole, insertion of a rivet is facilitated, the bolt is prevented from loosening, the installation stability of the bolt is improved, and use of the bolt is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to an anti-loosening and anti-theft high-strength bolt. Background Art

[0002] Bolts are a common fastener, usually made of metal.

[0003] There are many types of bolts, such as ordinary bolts, high-strength bolts, stainless steel bolts, etc. Different types of bolts have different uses and performance requirements. Bolts are available in a variety of sizes, with various diameters, lengths and thread specifications to meet different engineering requirements.

[0004] At present, the existing bolts are easy to loosen when in use and are in the process of being disassembled and stolen. At the same time, the existing bolt structure needs to be improved. Utility Model Content

[0005] The utility model aims to solve the above-mentioned shortcomings in the prior art and proposes a high-strength bolt that is anti-loosening and anti-theft.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A high-strength bolt is designed to prevent loosening and theft, including a screw head, characterized in that a screw rod is fixedly installed at the bottom end of the screw head, and the fixing method can be replaced by welding or bolts. The screw rod includes a base material layer, a coating layer is provided on the base material layer, a phosphating layer is provided on the coating layer, a silicon coating is provided on the phosphating layer, and a lubricating layer is provided on the silicon coating. A through hole is opened at the top of the screw head, and the number of the through holes is six. An injection mechanism is provided in the screw head.

[0008] Furthermore, the injection mechanism includes a first injection hole, the first injection hole is opened on the screw head, the inner wall of the first injection hole is provided with a thread, and the inner wall of the first injection hole is threadedly connected to a cap.

[0009] Furthermore, a second injection hole is provided at the bottom end of the screw, and the second injection hole is connected to the first injection hole.

[0010] Furthermore, a branch hole is opened on the surface of the screw, and the branch hole is connected to the second injection hole.

[0011] Furthermore, the substrate layer is made of carbon steel.

[0012] Furthermore, the plating layer is made of nickel plating, and the phosphating layer is made of zinc phosphide.

[0013] Furthermore, the silicon coating is made of silicon, and the lubricating layer is made of lubricant.

[0014] The utility model proposes an anti-loosening and anti-theft high-strength bolt, which has the beneficial effects of: by providing an injection mechanism, after the bolt is installed, it is convenient to inject glue between the screw rod and the bolt installation hole, so as to achieve the purpose of anti-theft; by providing a through hole, it is convenient to insert the rivet, prevent the bolt from loosening, improve the installation stability of the bolt, and facilitate the use of the bolt; by providing a coating, it has the functions of anti-corrosion and increasing the surface hardness of the bolt; by providing a phosphating layer, it provides additional anti-corrosion protection and friction reduction functions; by providing a silicon coating, it plays the purpose of providing higher wear resistance and corrosion resistance; by providing a lubricating layer, the friction resistance of the bolt during the tightening process can be reduced, making the tightening smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a top view of the overall structure of the utility model;

[0017] Figure 3 It is a cross-sectional view of the overall structure of the utility model;

[0018] Figure 4 It is a bottom view of the overall structure of the utility model;

[0019] Figure 5 It is a partial cross-sectional view of the screw of the utility model.

[0020] In the figure: 1, screw head; 2, screw; 21, base material layer; 22, coating; 23, phosphating layer; 24, silicon coating; 25, lubricating layer; 31, branch hole; 32, cap; 33, second injection hole; 34, first injection hole; 4, through hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-5A high-strength bolt for preventing loosening and theft includes a screw head 1, characterized in that: a screw rod 2 is fixedly installed at the bottom end of the screw head 1, and the fixing method can be replaced by welding or bolts. The screw rod 2 includes a base material layer 21, which is the main body of the screw rod 2 and is made of carbon steel. The base material layer 21 provides strength and rigidity of the screw rod 2. A coating layer 22 is provided on the base material layer 21. The coating layer 22 has the function of preventing corrosion and increasing the surface hardness of the bolt. A phosphating layer 23 is provided on the coating layer 22. The phosphating layer 23 provides additional corrosion protection and friction reduction. A silicon coating 24 is provided on the phosphating layer 23. By providing a silicon coating 24, it is possible to provide higher wear resistance and corrosion resistance. A lubricating layer 25 is provided on the silicon coating 24. By providing the lubricating layer 25, the friction resistance of the bolt during tightening can be reduced, making the tightening smoother. A through hole 4 is provided at the top of the screw head 1. The number of the through holes 4 is six. The through holes 4 are provided to facilitate the insertion of rivets, prevent the bolts from loosening, improve the installation stability of the bolts, and facilitate the use of the bolts. An injection mechanism is provided in the screw head 1. By providing the injection mechanism, after the bolts are installed, it is convenient to inject glue between the screw rod 2 and the bolt installation hole, thereby achieving the purpose of anti-theft.

[0023] In detail, the injection mechanism includes a first injection hole 34, which is opened on the screw head 1. The inner wall of the first injection hole 34 is threaded, and the inner wall of the first injection hole 34 is threadedly connected with a cap 32. The cap 32 is provided to facilitate closing the first injection hole 34.

[0024] Furthermore, a second injection hole 33 is provided at the bottom end of the screw 2 . The second injection hole 33 is provided to facilitate the flow of the glue, and the second injection hole 33 is connected to the first injection hole 34 .

[0025] Furthermore, a branch hole 31 is provided on the surface of the screw rod 2 , and the branch hole 31 is connected to the second injection hole 33 . The branch hole 31 facilitates the glue to enter the bolt installation hole.

[0026] In more detail, the base layer 21 is made of carbon steel, which is usually stronger than other types of steel and can be used to manufacture structural parts that need to withstand greater force and pressure. The base layer 21 provides strength and rigidity to the screw 2.

[0027] In general, the plating layer 22 is made of nickel plating, which can effectively prevent the metal from being corroded by air, water, acid and other substances, and extend the service life of the metal. Nickel plating can provide additional hardness and wear resistance, making the surface of the plated object more durable. Nickel plating can provide a bright surface to improve the decorative effect of the plated object. The phosphating layer 23 is made of zinc phosphide, which can form a dense zinc-phosphorus compound protective film, forming an effective anti-corrosion layer on the steel surface, which can effectively block the erosion of oxygen, moisture and other corrosive substances, and extend the service life of the metal material. Zinc phosphide can firmly bond with the metal surface to form a solid protective layer with strong adhesion and is not easy to fall off. The anti-corrosion effect of zinc phosphide is long-lasting and can form multi-layer protection to increase the anti-corrosion effect. Zinc phosphide is an environmentally friendly anti-corrosion material, does not contain harmful substances, is non-toxic and harmless to the human body and the environment, has good chemical stability, can resist the erosion of chemical substances such as acids and alkalis, and has strong resistance to chemical corrosion. The setting of the phosphating layer 23 provides additional anti-corrosion protection and friction reduction functions.

[0028] Finally, the silicon coating 24 is made of silicon, which is an inorganic material with high hardness and wear resistance, and can resist wear and friction. In addition, silicon has good corrosion resistance and can resist corrosion from chemical substances such as acids, alkalis, and salts. Therefore, silicon materials are often used to make wear-resistant and corrosion-resistant products, such as chemical pipelines, valves, pump bodies, etc., and the silicon coating 24 is provided to provide higher wear resistance and corrosion resistance. The lubricating layer 25 is made of lubricant. The lubricating layer 25 can reduce the friction resistance of the bolt during the tightening process, making the tightening smoother.

[0029] Working method: By setting a substrate layer 21 made of carbon steel, the strength of carbon steel is usually higher than other types of steel, and it can be used to manufacture structural parts that need to withstand greater force and pressure. The substrate layer 21 provides strength and rigidity for the screw 2. By setting a coating 22, the coating 22 is made of nickel plating. Nickel plating can effectively prevent metal from being corroded by air, water, acid and other substances, and prolong the service life of the metal. Nickel plating can provide additional hardness and wear resistance, making the surface of the plated object more durable. Nickel plating can provide a bright surface and improve the decorative effect of the plated object. By setting a phosphating layer 23, the phosphating layer 23 is made of zinc phosphide. Zinc phosphide can form a dense zinc-phosphorus compound protective film to form an effective anti-corrosion layer on the steel surface, which can effectively prevent It can prevent the corrosion of oxygen, moisture and other corrosive substances and extend the service life of metal materials. Zinc phosphide can be firmly combined with the metal surface to form a solid protective layer, which has strong adhesion and is not easy to fall off. The anti-corrosion effect of zinc phosphide is long-lasting, and it can form multi-layer protection to increase the anti-corrosion effect. Zinc phosphide is an environmentally friendly anti-corrosion material, does not contain harmful substances, is non-toxic and harmless to the human body and the environment, and has good chemical stability. It can resist the erosion of chemical substances such as acids and alkalis and has strong resistance to chemical corrosion. The setting of the phosphating layer 23 provides additional anti-corrosion protection and friction reduction functions. By setting a silicon coating 24, the silicon coating 24 is made of silicon. Silicon is an inorganic material with high hardness and wear resistance, and can resist wear and friction. In addition, silicon has good corrosion resistance and can resist the corrosion of chemical substances such as acids, alkalis, and salts. Therefore, silicon materials are often used to make wear-resistant and corrosion-resistant products, such as chemical pipelines, valves, pump bodies, etc. By providing a silicon coating 24, it can provide higher wear resistance and corrosion resistance. By providing a lubricating layer 25, the friction resistance of the bolt during the tightening process can be reduced, making the tightening smoother.

[0030] After the bolt is installed, the rivet is inserted into the installation surface through the through hole 4 to prevent the bolt from loosening, improve the installation stability of the bolt, and facilitate the use of the bolt. Then the cap 32 is polished, and the glue is injected into the first injection hole 34 through a syringe. The glue will enter the installation hole of the bolt along the first injection hole 34, the second injection hole 33 and the branch hole 31, which is convenient for reinforcing the bolt and thus achieving the purpose of anti-theft.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-strength bolt for preventing loosening and theft, comprising a screw head (1), characterized in that: A screw rod (2) is fixedly mounted at the bottom end of the screw head (1), and the fixing method can be replaced by welding or bolts. The screw rod (2) comprises a base material layer (21), a coating layer (22) is provided on the base material layer (21), a phosphating layer (23) is provided on the coating layer (22), a silicon coating (24) is provided on the phosphating layer (23), and a lubricating layer (25) is provided on the silicon coating (24). A through hole (4) is opened at the top end of the screw head (1), and the number of the through holes (4) is six. An injection mechanism is provided inside the screw head (1).

2. The anti-loosening and anti-theft high-strength bolt according to claim 1, characterized in that: The injection mechanism comprises a first injection hole (34), the first injection hole (34) is opened on the screw head (1), the inner wall of the first injection hole (34) is provided with a thread, and the inner wall of the first injection hole (34) is threadedly connected to a cap (32).

3. The anti-loosening and anti-theft high-strength bolt according to claim 2, characterized in that: A second injection hole (33) is provided at the bottom end of the screw (2), and the second injection hole (33) is connected to the first injection hole (34).

4. The anti-loosening and anti-theft high-strength bolt according to claim 3, characterized in that: A branch hole (31) is provided on the surface of the screw (2), and the branch hole (31) is connected to the second injection hole (33).

5. The anti-loosening and anti-theft high-strength bolt according to claim 1, characterized in that: The substrate layer (21) is made of carbon steel.

6. The anti-loosening and anti-theft high-strength bolt according to claim 1, characterized in that: The plating layer (22) is made of nickel plating, and the phosphating layer (23) is made of zinc phosphide.

7. The anti-loosening and anti-theft high-strength bolt according to claim 1, characterized in that: The silicon coating (24) is made of silicon, and the lubricating layer (25) is made of lubricant.

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