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Anti-rust bolt

A technology for anti-corrosion and bolts, which is applied in the direction of bolts, nuts, threaded fasteners, etc., can solve the problems of easy rust and other problems, achieve the effect of improving performance, protecting normal screwing and disassembly, and preventing bolts from rusting

Inactive Publication Date: 2017-12-08
太仓永固精密制件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Bolts are prone to rust after long-term use, especially for bolts that have been in water for a long time

Method used

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  • Anti-rust bolt

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Embodiment Construction

[0015] Combine below figure 1 And further illustrate the technical solution of the present invention through specific examples.

[0016] An anti-corrosion bolt, comprising an integrally formed screw 1 and a bolt head 2, the outer circle of the bolt head 2 forms a hexagonal structure, and a screw coaxial with the screw 1 is provided on the upper surface of the bolt head 2 away from the screw 1 counterbore 21, the counterbore 21 is provided with a partition 3 that divides the counterbore 21 into an upper chamber 22 and a lower chamber 23, and the inner coaxial line of the screw 1 is provided with a blind extending along the length direction of the screw 1. hole 11, the lower chamber 23 is provided with several pipes 4 leading into the blind 11 holes, the pipes 4 are respectively provided with branch pipes 5 spaced along the length direction of the pipe 4, and the branch pipes 5 point to the outside of the screw rod 1 round.

[0017] In the above, the lubricating oil is stored ...

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Abstract

The invention discloses an anti-rust bolt. The anti-rust bolt comprises a screw rod and a bolt head integrally molded; the outer circle of the bolt head is of a hexagonal structure; a counter bore coaxial with the screw rod is formed in the upper surface, far from the screw rod, of the bolt head; a separation plate for dividing the counter bore into an upper cavity and a lower cavity is arranged in the counter bore; a blind hole extending in the length direction of the screw rod is coaxially formed in the screw rod; multiple pipes extending in the blind hole are arranged in the lower cavity; branch pipes spaced in the length directions of the pipes are respectively arranged on the pipes; and the branch pipes are pointed to the outer circle of the screw rod. In the anti-rust bolt, after the bolt is used for a long time, the bolt is easy to generate rust; and lubricating oil is injected through the counter bore, and flows into a thread of the screw rod along with the pipes, so that rusting of the bolt can be prevented, a lubricating effect is achieved, normal screwing and disassembly of the bolt are guaranteed, and the use performance of the bolt is improved.

Description

technical field [0001] The invention relates to fasteners, in particular to an anti-corrosion bolt. Background technique [0002] As a kind of fastener used for object connection, bolt has the characteristics of detachment, which is convenient for connection and replacement between connected parts, so it is widely used in various instruments. [0003] Bolts are prone to rust after being used for a long time, especially for bolts that have been in water for a long time. For rusty screws, never use a wrench to tighten them hard to prevent the hexagonal corners of the screw from slipping, breaking the screw or damaging the wrench. Therefore, how to improve the antirust ability of bolts is the main problem to solve the disassembly and installation of rusty bolts. Contents of the invention [0004] The object of the present invention is to provide an anti-corrosion bolt, which can prevent the bolt from rusting and has a lubricating effect, protects the bolt from screwing in a...

Claims

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Application Information

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IPC IPC(8): F16B33/06
CPCF16B33/06
Inventor 张庆怡
Owner 太仓永固精密制件有限公司