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Anti-theft bolt with anti-theft sleeve

A technology of anti-theft bolts and anti-theft sleeves, which is applied in the field of bolts and fasteners, can solve the problems of damage, anti-theft bolts with unsatisfactory anti-theft effect, loss of anti-theft performance, etc., and achieve the effect of firm fixation, good anti-theft effect, and not easy to separate

Active Publication Date: 2019-11-08
海盐尚科五金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The anti-theft effect of the existing anti-theft bolts is not ideal enough, it cannot meet the needs well, and it is easy to be damaged by the positive and lose the anti-theft performance

Method used

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  • Anti-theft bolt with anti-theft sleeve

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Embodiment Construction

[0015] refer to figure 1 , an anti-theft bolt with an anti-theft sleeve according to the present invention, comprising a bolt head 1, a bolt shaft 10, an auxiliary cover 2, an anti-theft sleeve 3, a card slot 21, and a movable rod 33, the bolt head 1 is hexagonal, and the bottom of the bolt head 1 A bolt rod 10 is fixed in the center, and an auxiliary cover 2 with an open lower end is set on the bolt head 1. The auxiliary cover 2 and the bolt head 1 are fixed. There is an anti-theft cover 3 with an open lower end. The bottom of the anti-theft cover 3 is provided with a through hole 30 covering the auxiliary cover 2. The inner diameter of the through hole 30 is slightly larger than the outer diameter of the auxiliary cover 2. A ring is provided on the outside of the auxiliary cover 2. shaped slot 21, the inner wall of the through hole 30 is provided with several side holes 31 corresponding to the slot 21, and a movable rod 33 is arranged in the side hole 31, between the movable...

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Abstract

The invention discloses an anti-theft bolt with an anti-theft sleeve. A bolt head, a bolt rod, an auxiliary cover, the anti-theft sleeve, clamping grooves and a movable rod are included; the bolt headis in a hexagon shape; the bolt rod is fixed to the bottom center of the bolt head which is sleeved with the auxiliary cover with an opening in the lower end; the auxiliary cover and the bolt head are fixed; the exterior of the auxiliary cover is cylindrical; the auxiliary cover is sleeved with the anti-theft sleeve with an opening in the lower end; the bottom of the anti-theft sleeve is providedwith a through hole sleeving the auxiliary cover; the inner diameter of the through hole is slightly larger than the outer diameter of the auxiliary cover; the exterior of the auxiliary cover is provided with one circle of ring-shaped clamping grooves; the inner wall of the through hole is provided with a plurality of side holes corresponding to the clamping grooves; and the movable rod is arranged in the side holes. According to the anti-theft bolt with the anti-theft sleeve, the movable rod and the clamping grooves are combined so that the anti-theft sleeve and the auxiliary cover are not prone to separation, slipping happens during rotating so that the bolt cannot be easily unscrewed, and a very good anti-theft effect is achieved.

Description

【Technical field】 [0001] The invention relates to the technical field of fasteners, especially the technical field of bolts. 【Background technique】 [0002] Bolt is a kind of fastener commonly used, and its application is comparatively extensive. Bolts are used in fields such as high-speed rail, oil exploration, and wind power, and sometimes some bolts are required to have anti-theft functions. The anti-theft effect of the existing anti-theft bolts is not ideal enough, and cannot meet the demand well, and is easy to be damaged by the opposite direction and lose the anti-theft performance. 【Content of invention】 [0003] The purpose of the present invention is to solve the problems in the prior art, and propose an anti-theft bolt with an anti-theft sleeve, which can make the bolt have good anti-theft performance. [0004] In order to achieve the above object, the present invention proposes an anti-theft bolt with an anti-theft sleeve, including a bolt head, a bolt shaft, ...

Claims

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Application Information

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IPC IPC(8): F16B41/00
CPCF16B41/002F16B41/005
Inventor 陈明辉
Owner 海盐尚科五金有限公司
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