Title:
CONNECTING PIPE ASSEMBLY AND CONTROL VALVE ASSEMBLY HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2023/045984
Kind Code:
A1
Abstract:
A connecting pipe assembly and a control valve assembly having same. The connecting pipe assembly comprises: a first connecting pipe (10) having a first end and a second end opposite to each other; a connecting sleeve (20), the first end of the first connecting pipe (10) being located in the connecting sleeve (20), the connecting sleeve (20) having a first end and a second end opposite to each other, the first end of the connecting sleeve (20) being connected to the outer side wall of the first connecting pipe (10), a gap being formed between the inner wall of the middle of the connecting sleeve (20) and the outer wall of the first end of the first connecting pipe (10), and the gap forming an accommodating cavity (30); and a second connecting pipe (40), one end of the second connecting pipe (40) being connected to the second end of the connecting sleeve (20), and an end portion of the second connecting pipe (40) being located in the connecting sleeve (20). The connecting pipe assembly solves the problem that normal use of a control valve may be affected due to poor welding.
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| WO/1999/060299 | DEVICE FOR CONNECTING TWO TUBULAR ELEMENTS |
| JPH0847541 | CONNECTOR FOR LIQUID INJECTING CONTAINER |
Inventors:
ZHU JIAFENG (CN)
Application Number:
PCT/CN2022/120311
Publication Date:
March 30, 2023
Filing Date:
September 21, 2022
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16L21/00; F16K27/00
Foreign References:
| CN216158525U | 2022-04-01 | |||
| CN113236879A | 2021-08-10 | |||
| CN111594669A | 2020-08-28 | |||
| CN110366655A | 2019-10-22 | |||
| CN205781507U | 2016-12-07 | |||
| CN109519389A | 2019-03-26 | |||
| EP3683484A1 | 2020-07-22 | |||
| GB391966A | 1933-05-11 | |||
| US20210285579A1 | 2021-09-16 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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