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a bolt device

A bolt and screw technology, which is applied in the direction of bolts, screws, threaded fasteners, etc., can solve the problems of low bolt tightening efficiency, achieve high bolt tightening efficiency, not easy to lose, and improve the effect of tightening efficiency

Active Publication Date: 2018-04-06
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a bolt device to solve the problem of low efficiency of bolt tightening in the prior art

Method used

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the solution will be further described in detail below in conjunction with specific embodiments.

[0025] Such as figure 2 As shown, the embodiment of the present invention provides a bolt device, which includes a bolt with a screw rod 21 and a head 22, and also includes a fitting block 31, an elastic expansion member and a cover plate 33, and the cover plate 33 is arranged on the fitting block 31 The first end; the second end of the mating block 31 is set on the circumferential surface of the head 22, and the second end is provided with an engaging hole engaging with the head 22, and the inner wall surface of the engaging hole is used for matching with the circumferential direction. The surface fits together; the first end of the mating block 31 is provided with a via hole 32 communicating with the engaging hole; one end of the elastic expansion part is co...

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Abstract

The invention provides a bolt device, which comprises a bolt, wherein the bolt is provided with a screw rod and a head; the bolt device also comprises a cooperating block, an elastic telescopic member and a cover plate; the cover plate is arranged at a first end of the cooperating block; a second end of the cooperating block is mounted on the circumferential surface of the head in a sleeving manner; the second end is provided with a clamping hole which is clamped with the head; the inner wall face of the clamping hole is used for being abutted with the circumferential surface; the first end of the cooperating block is provided with a via hole communicated with the clamping hole; one end of the elastic telescopic member is connected with the cover plate; and the other end of the elastic telescopic member penetrates through the via hole to be connected with the top surface of the head. By using the bolt device provided by the invention, the efficiency of loosening and tightening the bolt can be improved better.

Description

technical field [0001] The invention relates to the technical field of fastener structures, in particular to a bolt device. Background technique [0002] In mechanical products and equipment, bolts and nuts are often used to connect and fix two or more parts, and the parts are fastened and disassembled by tightening and loosening the bolts or nuts respectively. Auxiliary tools such as tooling are often used in some experimental testing equipment. The tooling can be moved and fixed. At this time, it is necessary to loosen the bolts to realize the movement of the tooling. When the tooling is adjusted to the required position, tighten the bolts to realize the tooling. can be fixed. [0003] Such as figure 1 As shown, in the prior art, the bolts are usually tightened and loosened by using the wrench 12. However, for the bolts that need to be tightened frequently, the opening of the wrench 12 and the opening of the bolt must be connected each time the bolt is tightened and loos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B13/48F16B23/00
CPCB25B13/485F16B23/0038
Inventor 叶飞苏媛郑朋辉高建光陈杰葛飞张超
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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