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Hexagon bolt

A technology of hexagonal bolts and bolts, applied in the direction of bolts, screws, nuts, etc., can solve problems such as irregular threads and easy slipping of bolts, and achieve the effect of not easy slipping and simple structure

Pending Publication Date: 2018-08-31
海盐县奕涵标准件厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional bolt head is only provided with threads at the bottom of the screw rod. If the threads are irregular or notched, the bolts will easily slip off after a period of use.

Method used

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  • Hexagon bolt
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Examples

Experimental program
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Embodiment Construction

[0017] refer to figure 1 and 2 , a hexagonal bolt of the present invention, comprising a bolt head 1, a screw rod 2, a thread 3, and a washer 4, the top of the screw rod 2 is provided with a bolt head 1, and the bolt head 1 and the screw rod 2 are integrally formed, and the screw rod 2 includes Screw upper part 21, screw middle part 22 and screw rod lower part 23, described screw rod upper part 21, screw rod middle part 22 and screw rod lower part 23 are integrally formed, the bottom of described bolt head 1 is provided with washer 4, and described thread 3 comprises upper thread 31 and lower thread. Thread 32, described upper thread 31 is arranged on the outer surface of screw rod top 21, and described lower thread 32 is arranged on the outer surface of screw rod bottom 23, and described bolt head 1 is regular hexagonal structure, and described bolt head 1 comprises bolt The head side 11 and the bolt head top surface 12, the connection between the bolt head side 11 and the b...

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PUM

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Abstract

The invention discloses a hexagon bolt. The hexagon bolt comprises a bolt head, a threaded rod, threads and a gasket. The top of the threaded rod is provided with the bolt head. The bolt head and thethreaded rod are integrally formed. The threaded rod comprises an upper threaded rod part, a middle threaded rod part and a lower threaded rod part. The upper threaded rod part, the middle threaded rod part and the lower threaded rod part are integrally formed. The bottom of the bolt head is provided with the gasket. The threads include an upper thread and a lower thread. The upper thread is arranged on the outer side face of the upper threaded rod part, and the lower thread is arranged on the outer side face of the lower threaded rod part. The hexagon bolt is simple in structure, and the problem that a number of existing bolts are prone to sliding after being used for a period of time due to irregularity of threads is solved. The top and the bottom of the threaded rod are provided with the upper thread and the lower thread, the upper thread and the lower thread adopt different thread forms, the thread form of the upper thread is a triangular thread, the thread form of the lower threadadopts a rectangular thread, a bi-screwing fastening effect is achieved, and sliding is not prone to being caused even when one thread is damaged.

Description

【Technical field】 [0001] The invention relates to the technical field of bolts, in particular to the technical field of hexagonal bolts. 【Background technique】 [0002] A bolt is a cylindrical threaded mechanical part, consisting of a head and a screw with a cylindrical body with external threads. It needs to be matched with a nut to fasten and connect two through holes. Bolt is requisite, uses very extensively when neutralizing in the middle of commercial production manufacture at daily life. Traditional bolt heads are only provided with threads at the bottom of the screw rod. If the threads are irregular or notched, the bolts tend to slip off after a period of use. 【Content of invention】 [0003] The purpose of the present invention is to solve the problems in the prior art, and propose a hexagonal bolt, which is provided with upper and lower threads, and has a better fastening effect. [0004] In order to achieve the above object, the present invention proposes a hexa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/04F16B33/02
CPCF16B33/02F16B35/048
Inventor 吴国伟
Owner 海盐县奕涵标准件厂