END SURFACE TAPER CENTERING AND INTERLOCKING LOCKNUT KIT

WIPO Patent Application WO/2022/205435

A1

An end surface taper centering and interlocking locknut kit, comprising an upper nut having an axial threaded through hole I and a lower nut having an axial threaded through hole II. One end surface of the upper nut is configured to be a boss, and the end surface of the boss has a taper; a cylindrical recess adapted to the boss is formed on one end surface of the lower nut in a recessed manner; a taper adapted to the end surface of the boss is made at a contact plane of the bottom of the recess and the end surface of the boss. In an assembly state, the end surface of the boss is located at the bottom of the recess, the central axis of the threaded through hole I coincides with the central axis of the threaded through hole II, and the boss of the upper nut is in clearance fit with the cylindrical recess of the lower nut. According to the nut kit, by using a novel end surface taper centering and interlocking locknut kit having end surface taper centering to avoid the situation that lateral force is additionally applied to a screw rod due to decentration, the thread lateral stress caused by matching the side surface of an eccentric cone is avoided, and the safety and the anti-shock performance of the novel end surface taper centering and interlocking locknut kit are both superior to those of existing shockproof nuts in the market.

ZHOU FENG (CN)

PCT/CN2021/085346

October 06, 2022

April 02, 2021

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ZHOU FENG (CN)

F16B39/12

CN110645254A	2020-01-03
CN204961532U	2016-01-13
CN108119491A	2018-06-05
CN108679073A	2018-10-19
CN206458702U	2017-09-01
JP2016133136A	2016-07-25
JP2016125622A	2016-07-11

BEIJING ZHUANYING PATENT AGENCY CO., LTD. (CN)

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