Title:
NUT-TYPE LAP-JOINT FLANGE STRUCTURE, AND COMBINATION TOOL
Document Type and Number:
WIPO Patent Application WO/2023/070764
Kind Code:
A1
Abstract:
A nut-type lap-joint flange structure and a combination tool. In the structure, a flange of a first hubbed flange and a flange of a second hubbed flange are both provided in a nut lap-joint, one of the flanges being fixed in a threaded manner, and the other being fixed by means of a pushing screw, so as to achieve a sealed and stable connection between the two flanges, instead of achieving connection by screwing a bolt after alignment of a flange hole and another flange hole. In general, the nut-type lap-joint flange structure and the combination tool can achieve a sealed connection between the flanges without using a traditional manner of connection between multiple flange holes and multiple other flange holes, which can lower the requirement for the installation precision and improve the operation convenience, and can also achieve good assembly and disassembly on the premise of ensuring the stability of the connection between the flanges.
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Inventors:
LI YONG (CN)
ZHA FANGZHENG (CN)
LI JUN (CN)
ZHA FANGZHENG (CN)
LI JUN (CN)
Application Number:
PCT/CN2021/131096
Publication Date:
May 04, 2023
Filing Date:
November 17, 2021
Export Citation:
Assignee:
SOUTHWESTERN INST PHYSICS (CN)
International Classes:
F16L23/032; F16L23/036
Foreign References:
| CN2212697Y | 1995-11-15 | |||
| CN205859420U | 2017-01-04 | |||
| JP2013234734A | 2013-11-21 | |||
| CN213117908U | 2021-05-04 | |||
| CN203431350U | 2014-02-12 | |||
| JP2013119929A | 2013-06-17 | |||
| US4811976A | 1989-03-14 |
Attorney, Agent or Firm:
CHENGDU XINGZHI PATENT AGENCY (ORDINARY PARTNERSHIP) (CN)
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