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a fastening bolt

A technology for fastening bolts and bolt heads, applied in the direction of bolts, threaded fasteners, screws, etc., can solve the problems of cumbersome and complicated process, low work efficiency, easy to rust, etc., and achieve the effect of simple operation and improved work efficiency

Active Publication Date: 2020-06-16
浙江帛特汽车紧固件有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above problems, the present invention provides a fastening bolt, which can solve the problem that when the existing bolts are tightened, the existing washer needs to be used to prevent loosening. The existing washer is prone to rust when it is in contact with metal objects for a long time, resulting in secondary screwing. It is not easy to unscrew, and you need to find a tool of relative specifications to work when twisting. The process is cumbersome and complicated, and the work efficiency is low. It can realize more stable tightening of the working hole and automatic separation of rusted parts. It can be combined with the washer. 1. Pre-separate the rusted part before unscrewing, and the six expansion mechanisms are adjusted according to the current specifications of the screwing tool, without changing tools, and the operation is simple and the work efficiency is improved

Method used

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Embodiment Construction

[0021] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0022] Such as Figure 1 to Figure 4 As shown, a fastening bolt includes a bolt head device 1 and a screw rod 3 , and the screw rod 3 is installed at the lower end of the bolt head device 1 .

[0023] The bolt head device 1 includes a bolt head 11, a pad 12, a chute 13, a slider 14, a limit mechanism 15, six expansion mechanisms 16, an intermediate pad 17, two connecting plates 18, and two working cylinders 19 , two jacking blocks 20, connecting column 21, limit upper plate 22, limit lower plate 23 and clamping plate 24, the left and right ends of the bolt head 11 are respectively p...

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Abstract

The invention relates to a fastening bolt. The fastening bolt comprises a bolt head device and a threaded rod, wherein the threaded rod is installed at the lower end of the bolt head device. By meansof the fastening bolt, the problems that when an existing bolt is screwed down, an existing gasket needs to be used for preventing loosening, the existing gasket is in contact with a metal object fora long time, is easily rusted, and is not easily unscrewed during secondary screwing, a tool with the relative specification needs to be found during screwing for working, the process is fussy and complex, and the working efficiency is low are solved; it can be achieved that a working hole is more stably screwed down, the automatic separation function at a rusting portion can be achieved, the working hole and the gasket are integrated, the rusting portion is pre-separated before unscrewing, six enlarging mechanisms 6 are pertinently adjusted according to the screwing tool with the current specification, the tool does not need to be replaced, operation is easy, and the working efficiency is improved.

Description

technical field [0001] The invention relates to the field of bolts, in particular to a fastening bolt. Background technique [0002] Bolts are a type of fastener consisting of two parts, a head and a cylinder with external threads on the screw rod. There are various types of bolt heads. The present invention is aimed at hexagonal head bolts. When the existing bolts are tightened, the existing washers are needed. To prevent loosening, the existing gasket is prone to rust due to long-term contact with metal objects, which makes it difficult to unscrew during the second screwing. When screwing, it is necessary to find a tool with a corresponding specification to work. The process is cumbersome and complicated, and the work efficiency is low. Contents of the invention [0003] In order to solve the above problems, the present invention provides a fastening bolt, which can solve the problem that when the existing bolts are tightened, the existing washer needs to be used to prev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B23/00F16B37/04F16B37/00
CPCF16B23/0092F16B37/00F16B37/04
Inventor 储国亲
Owner 浙江帛特汽车紧固件有限公司
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