Title:
PIPE ASSEMBLY AND FOUR-WAY VALVE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2023/078363
Kind Code:
A1
Abstract:
Disclosed is a pipe assembly, comprising a valve pipe (10), having a fixed end (101) and a free end (102) which are oppositely arranged; and a sleeve (20), having a first matching end (201) and a second matching end (202) which are oppositely arranged, the first matching end (201) being matched with and fixed to the free end (102), the second matching end (202) being configured to be fitted over the outer side of a pipe to be connected (30) and being welded and fixed to the pipe to be connected (30), the sleeve (20) being provided with a spacing section (21), the spacing section (21) being located between the first matching end (201) and the second matching end (202), and the inner diameter of at least part of the spacing section (21) being smaller than the outer diameter of the pipe to be connected (30). Further disclosed is a four-way valve provided with the pipe assembly. Therefore, the problem in the prior art that overlap is prone to falling into a valve body is solved.
Inventors:
ZHU JIAFENG (CN)
Application Number:
PCT/CN2022/129618
Publication Date:
May 11, 2023
Filing Date:
November 03, 2022
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16L13/02
Foreign References:
| CN216743242U | 2022-06-14 | |||
| CN205036530U | 2016-02-17 | |||
| CN204003349U | 2014-12-10 | |||
| US20170059078A1 | 2017-03-02 | |||
| JP3180153U | 2012-12-06 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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