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Title:
LOCKING NUT WITH S-SHAPED THREADS
Document Type and Number:
WIPO Patent Application WO/2023/039971
Kind Code:
A1
Abstract:
The present invention relates to the technical field of locking nuts, in particular to a locking nut with S-shaped threads. The locking nut with S-shaped threads comprises a nut body, which is characterized in that: internal threads are axially arranged on an inner side of the nut body, the internal threads comprise straight threads and S threads, the S threads are arranged on an inner side above the center of the nut body, and the straight threads are arranged above and below the S threads; the bottom of the nut body is connected to a boss, and a through hole is formed in the center of the boss; and an aluminum gasket is arranged below the nut body. Compared with the prior art, the locking nut with the S-shaped threads is provided, the threads achieve a locking function by using a technique of changing an equivalent friction angle, such that loosening is effectively avoided, and in addition, a sealing effect can be achieved due to the aluminum gasket.

Inventors:
JIANG QIONGQIONG (CN)
LI YANGYANG (CN)
SUN XIAOKANG (CN)
ZHOU CHANGLIN (CN)
Application Number:
PCT/CN2021/123974
Publication Date:
March 23, 2023
Filing Date:
October 15, 2021
Export Citation:
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Assignee:
RITAI SHANGHAI AUTOMOTIVE STANDARD PARTS CO LTD (CN)
International Classes:
F16B39/30; F16B33/02; F16B37/00; F16B43/00
Foreign References:
GB140186A1920-03-25
CN205446342U2016-08-10
CN216199730U2022-04-05
CN1942678A2007-04-04
CN212272791U2021-01-01
CN207814189U2018-09-04
CN212657113U2021-03-05
Attorney, Agent or Firm:
SHANGHAI ZHUANYI PATENT AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)
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