Title:
BACK FRAME CONNECTION STRUCTURE AND BACK FRAME DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/041410
Kind Code:
A1
Abstract:
A back frame connection structure (100) and a back frame device (400). The back frame connection structure comprises a threaded stud (110) and a rotary connector assembly (120); the threaded stud and the rotary connector assembly are configured to be respectively provided on two adjacent back frame modules (410); first smooth regions (112) and first threaded regions (111) are alternately provided on the outer peripheral surface of the threaded stud; the rotary connector assembly comprises a nut limiting stud (121) and a rotary nut (122); second smooth regions (1222) and second threaded regions (1221) are alternately provided on the inner peripheral surface of the rotary nut; the rotary nut is rotatable about the nut limiting stud to switch the regions in which the inner peripheral surface of the rotary nut is aligned with the outer peripheral surface of the threaded stud; when the second smooth regions directly face the first threaded regions, the second threaded regions directly face the first smooth regions, so that the threaded stud is inserted into or separated from the rotary nut; and the second threaded regions and the first threaded regions are in threaded fit with each other when aligned. The back frame device comprises the back frame connection structure. The back frame connection structure enables back frames to be easily assembled and disassembled.
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Inventors:
ZHANG JIANXIONG (CN)
XIAO YULONG (CN)
CHEN QIUSHENG (CN)
XIAO YULONG (CN)
CHEN QIUSHENG (CN)
Application Number:
PCT/CN2023/112896
Publication Date:
February 29, 2024
Filing Date:
August 14, 2023
Export Citation:
Assignee:
UNILUMIN GROUP CO LTD (CN)
International Classes:
F16B7/12; G09F9/33
Domestic Patent References:
| WO2022068305A1 | 2022-04-07 |
Foreign References:
| CN217875045U | 2022-11-22 | |||
| CN213982774U | 2021-08-17 | |||
| CN212318503U | 2021-01-08 | |||
| CN105006206A | 2015-10-28 | |||
| CN211550223U | 2020-09-22 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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