ANTI-LOOSE THREADED PAIR AND ANTI-LOOSE THREADED PART

Title:

ANTI-LOOSE THREADED PAIR AND ANTI-LOOSE THREADED PART

Document Type and Number:

WIPO Patent Application WO/2019/114080

Kind Code:

A1

Abstract:

An anti-loose threaded pair (100) and an anti-loose threaded part, wherein the anti-loose threaded pair comprises a first threaded part (10) and a second threaded part (20); the first threaded part is internally provided with a first threaded tooth, an outer wall surface of the second threaded part is provided with a second threaded tooth, and the second threaded part and the first threaded part are in threaded connection; as the first threaded part is screwed in the direction towards the second threaded part, a side of the first threaded tooth and a side of the second threaded tooth which extrude against each other respectively form force-bearing fitting surfaces; the force-bearing fitting surfaces and the sides opposite to the force-bearing fitting surfaces then respectively form non-force-bearing fitting areas, and at least one of the force-bearing fitting surfaces and non-force-bearing fitting areas of the first threaded part and the second threaded part is provided thereon with a limiting part so as to limit the radial dislocation between the first threaded part and the second threaded part.

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Inventors:

DING XIAOYU (CN)
LIU JIANHUA (CN)
GONG HAO (CN)

Application Number:

PCT/CN2018/072390

Publication Date:

June 20, 2019

Filing Date:

January 12, 2018

Export Citation:

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Assignee:

BEIJING INSTITUTE TECH (CN)

International Classes:

F16B39/30

Foreign References:

US6669424B1	2003-12-30
CN103328835A	2013-09-25
US20070237604A1	2007-10-11
EP2224143B1	2015-04-15
US7722304B2	2010-05-25

Other References: