Title:
LIFTING DRIVING DEVICE WITH ONE-WAY BRAKING LOCKING FUNCTION AND LIFTING TABLE USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/116783
Kind Code:
A1
Abstract:
A lifting driving device with a one-way braking locking function and a lifting table using same. The lifting driving device comprises a transmission shaft (1) and a lifting stand column assembly (8), wherein the transmission shaft is in transmission connection with a power input end in the lifting stand column assembly; a locking structure is mounted on the transmission shaft and same comprises a brake seat housing (5), a brake seat (7) and a brake spring (6); the brake seat housing sleeves the transmission shaft in a clearance fit manner; the brake seat sleeves the transmission shaft in an interference fit manner; the brake spring sleeves the brake seat in a fitting manner; a mounting groove (51) is provided inside the brake seat housing, and the brake seat is mounted in the mounting groove; and the brake spring is a spiral spring, a direction of rotation of the spiral spring is consistent with a direction in which the transmission shaft and the brake seat rotate when the lifting stand column assembly extends, and the spiral spring is provided with a first end head (61) and a second end head (62), the first end head being limited by the mounting groove, and the second end head being in a free state.
Inventors:
LU HAIRONG (CN)
HUANG CHUNRONG (CN)
ZHAO ZHENPU (CN)
HUANG CHUNRONG (CN)
ZHAO ZHENPU (CN)
Application Number:
PCT/CN2021/129633
Publication Date:
June 09, 2022
Filing Date:
November 09, 2021
Export Citation:
Assignee:
QIDONG VISION MOUNTS MFG CO LTD (CN)
International Classes:
H02K7/102; A47B9/00; A47B13/02; H02K7/06
Foreign References:
| CN112398273A | 2021-02-23 | |||
| CN104872994A | 2015-09-02 | |||
| CN209915306U | 2020-01-10 | |||
| CN102594014A | 2012-07-18 | |||
| EP3244084A1 | 2017-11-15 |
Attorney, Agent or Firm:
BEIJING JINXINCHENGTAI INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)
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