Title:
WAIST JOINT MECHANISM AND ROBOT
Document Type and Number:
WIPO Patent Application WO/2021/004178
Kind Code:
A1
Abstract:
A waist joint mechanism and a robot, comprising: a waist ball seat (1) and a waist ball cap (2), a containing cavity (3) being formed jointly thereby, and the inner sidewall of the containing cavity (3) being provided with a first sunken part (31) and a second sunken part (32) which are symmetrical; and a waist ball (4) disposed in the containing cavity (3). The sidewall of the waist ball (4) is provided with a first limiting protrusion (41) and a second limiting protrusion (42) which are symmetrical. The first limiting protrusion (41) is inlaid in the first sunken part (31), and the second sunken protrusion (42) is inlaid in the second sunken part (32). Gaps (5) are formed between the upper end face and the lower end face of the first limiting protrusion (41) and the wall face of the first sunken part (31); and gaps (5) are formed between the upper end face and the lower end face of the second limiting protrusion (42) and the wall face of the second sunken part (32).
Inventors:
HUANG QIANG (CN)
GAO JUNYAO (CN)
SHI XUANYANG (CN)
ZHANG CHUNLEI (CN)
GAO JIANCHENG (CN)
WANG JIAQI (CN)
TIAN DINGKUI (CN)
GAO JUNYAO (CN)
SHI XUANYANG (CN)
ZHANG CHUNLEI (CN)
GAO JIANCHENG (CN)
WANG JIAQI (CN)
TIAN DINGKUI (CN)
Application Number:
PCT/CN2020/092714
Publication Date:
January 14, 2021
Filing Date:
May 27, 2020
Export Citation:
Assignee:
BEIJING INSTITUTE TECH (CN)
International Classes:
B25J17/02
Foreign References:
| CN110253624A | 2019-09-20 | |||
| CN102920308A | 2013-02-13 | |||
| US5361881A | 1994-11-08 | |||
| CN108177159A | 2018-06-19 |
Attorney, Agent or Firm:
BEIJING KINWIZ INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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