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Novel primary-auxiliary bolt

A technology of sub-bolts and bolts, which is applied in the field of new sub-bolts, can solve the problems of affecting the appearance of the structure and harming the operator

Inactive Publication Date: 2015-05-06
董增斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The connecting bolts in the prior art are mostly used for connecting with nuts. Because the bolt heads protrude, sometimes it will hurt the operator and affect the appearance of the whole structure

Method used

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  • Novel primary-auxiliary bolt
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Experimental program
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Embodiment Construction

[0010] As shown in Fig. 1, 2, the present invention is made up of sub-bolt and female bolt, and described sub-bolt is made up of first screw head 1 and first stud 2, is provided with external thread on the outer periphery of first stud 2, so Described female bolt is made up of second screw head 3 and second bolt post 4, and described second bolt post 4 is hollow structure, is provided with internal thread on the inner wall of second bolt post 4, on the outer periphery of first bolt post 2 The external thread of the second bolt 4 is matched with the internal thread on the second bolt 4, and cross-shaped grooves 5 are respectively provided on the end faces of the first screw head 1 and the second screw head 3 . Through the above configuration, the present invention is used for the connection between parts. The first screw head 1 and the second screw head 3 can be fastened in two directions at the same time. After fastening, the connection is firm and there is no phenomenon of exp...

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PUM

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Abstract

The invention discloses a primary-auxiliary bolt which consists of an auxiliary bolt and a primary bolt. The primary-auxiliary bolt is characterized in that the auxiliary bolt consists of a first screw head and a first bolt column, wherein external threads are formed at the periphery of the first bolt column; the primary bolt consists of a second screw head and a second bolt column; the second bolt column is a hollow structure; internal threads are formed in the inner wall of the second bolt column; external threads at the periphery of the first bolt column are matched with internal threads on the second bolt column; cross grooves are formed in end surfaces of the first screw head and the second screw head respectively. The novel primary-auxiliary bolt is used for connecting between parts, can be fastened in a bidirectional manner, firm in connection after being fastened, free of a bolt head exposure phenomenon, and attractive and neat, and does not injure an operator.

Description

technical field [0001] The invention relates to a bolt, in particular to a novel sub-nut bolt. Background technique [0002] The connecting bolts in the prior art are mostly used for connecting with nuts, and because the head of the bolt protrudes, sometimes it will hurt the operator and affect the aesthetic appearance of the whole structure. Contents of the invention [0003] The purpose of the present invention is to provide a new type of sub-bolt which is convenient to fasten and firmly connected. [0004] In order to achieve the above object, the present invention consists of a sub-bolt and a female bolt, the sub-bolt is composed of a first screw head and a first stud, an external thread is provided on the outer circumference of the first stud, and the female bolt is formed by a second stud. The screw head and the second bolt column are composed of a hollow structure, and internal threads are provided on the inner wall of the second bolt column, and the external threa...

Claims

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Application Information

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IPC IPC(8): F16B35/04F16B37/00F16B23/00
CPCF16B35/04
Inventor 董增斌
Owner 董增斌
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