Title:
TELESCOPIC ASSEMBLY AND LIFTING COLUMN
Document Type and Number:
WIPO Patent Application WO/2022/160497
Kind Code:
A1
Abstract:
A telescopic assembly and a lifting column. The telescopic assembly comprises: a transmission rod (3), having one end provided with a driver (1), and the other end connected to a transmission component (7); a first transmission screw (2) sleeved outside the transmission rod (3) and having one end fixedly connected to the driver (1); a transmission nut (5) sleeved on and thread-fitted with the first transmission screw (2); a first telescopic structure (6) slidably sleeved on the transmission nut (5); a second transmission screw (8), having threads opposite to the threads of the first transmission screw (2), one end fixedly connected to the transmission nut (5), and the other end extending in a direction away from the driver (1); and a second telescopic structure (10) sleeved on and thread-fitted with the second transmission screw (8). The lifting column comprises the telescopic assembly and a sleeve sleeved outside the telescopic assembly. The telescopic assembly and the lifting column have a relatively high transmission performance, and the mechanical kinetic energy loss during driving is relatively low.
Inventors:
GAO YONGCHUAN (CN)
HUANG HONGQIANG (CN)
YANG RUNQIANG (CN)
HUANG HONGQIANG (CN)
YANG RUNQIANG (CN)
Application Number:
PCT/CN2021/092322
Publication Date:
August 04, 2022
Filing Date:
May 08, 2021
Export Citation:
Assignee:
ZHEJIANG HUTONG ERGONOMIC SCIENCE AND TECH CO LTD (CN)
International Classes:
A47B9/04; F16B7/10; B66F3/10; F16H25/20
Foreign References:
| CN112727873A | 2021-04-30 | |||
| CN111237416A | 2020-06-05 | |||
| CN106641148A | 2017-05-10 | |||
| CN209800461U | 2019-12-17 | |||
| CN209331320U | 2019-09-03 | |||
| CN109678089A | 2019-04-26 | |||
| US20180184799A1 | 2018-07-05 | |||
| US20200085184A1 | 2020-03-19 |
Attorney, Agent or Firm:
ZHEJIANG KG IP LAW FIRM (CN)
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