Title:
SELF-LOCKING DEVICE SUITABLE FOR MOTOR, AND LINEAR ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2023/279998
Kind Code:
A1
Abstract:
A self-locking device suitable for a motor. The self-locking device comprises an end cover (100), which is mounted on a motor, and a friction ring (200), which is sleeved on a motor driving shaft (110), wherein the friction ring (200) is provided with a notch (210), and a limiting portion (220) is provided on the periphery of the friction ring (200); and the end cover (100) cooperates with the limiting portion (220), such that the friction ring (200) tightly holds the driving shaft (110) when the driving shaft (110) rotates in a first direction. By means of the self-locking device, a motor has a self-locking performance. The self-locking device has good stability, and low noise during operation, and the user experience is good. Further disclosed is a linear actuator comprising the self-locking device.
Inventors:
WU SHIQI (CN)
CHEN LIGANG (CN)
CHEN LIGANG (CN)
Application Number:
PCT/CN2022/101491
Publication Date:
January 12, 2023
Filing Date:
June 27, 2022
Export Citation:
Assignee:
ZHEJIANG JIECANG LINEAR MOTION TECH CO LTD (CN)
International Classes:
F16D65/09; F16D49/00; F16D65/14; F16D121/14; F16H37/12
Domestic Patent References:
| WO2021047355A1 | 2021-03-18 |
Foreign References:
| CN113653782A | 2021-11-16 | |||
| CN112531965A | 2021-03-19 | |||
| CN104343918A | 2015-02-11 | |||
| US20190178236A1 | 2019-06-13 | |||
| US20020180310A1 | 2002-12-05 | |||
| US20110132139A1 | 2011-06-09 | |||
| CN110752706A | 2020-02-04 | |||
| GB685982A | 1953-01-14 | |||
| CN212726723U | 2021-03-16 |
Attorney, Agent or Firm:
HANGZHOU HUADING INTELLECTUAL PROPERTY LAW FIRM (CN)
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