Title:
BIDIRECTIONAL DOOR OPENING AND CLOSING SHAFT
Document Type and Number:
WIPO Patent Application WO/2022/063008
Kind Code:
A1
Abstract:
A bidirectional door opening and closing shaft, comprising: an outer sleeve (6), a first cover portion, a second cover portion, an output shaft (1203), a sliding groove column (12), a central shaft (9), a return spring (7), etc. The sliding groove column (12) is provided with a first sliding groove (1201) and a second sliding groove (1202) which are opposite to and vertically staggered from each other; both the first sliding groove (1201) and the second sliding groove (1202) are V-shaped; a first drive shaft (901) extends into the first sliding groove (1201), and a second drive shaft (902) extends into the second sliding groove (1202); a cylindrical bottom of the sliding groove column (12) extends out of the output shaft (1203); the output shaft (1203) extends out from the inner cavity of the second cover portion; the output shaft (1203) and the sliding groove column (12) are movably connected to the second cover portion; the output shaft (1203) and the sliding groove column (12) merely perform circumferential movement in the cavity of the outer sleeve (6); and a spring stop part is fixedly embedded in the middle section of the central shaft (9).
Inventors:
WU ZHAOJIAN (CN)
Application Number:
PCT/CN2021/118585
Publication Date:
March 31, 2022
Filing Date:
September 15, 2021
Export Citation:
Assignee:
GUANGDONG ZHAOGAO METAL TECH CO LTD (CN)
International Classes:
E05F3/10
Domestic Patent References:
| WO1998023835A1 | 1998-06-04 |
Foreign References:
| US20200263471A1 | 2020-08-20 | |||
| JPH08312237A | 1996-11-26 | |||
| CN212478882U | 2021-02-05 | |||
| CN112502553A | 2021-03-16 | |||
| CN110499984A | 2019-11-26 | |||
| CN101878345A | 2010-11-03 | |||
| CN201155259Y | 2008-11-26 | |||
| CN2675820Y | 2005-02-02 |
Attorney, Agent or Firm:
DAIJVN LAWFIRM OF GUANGDONG (CN)
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