REVERSING VALVE

WIPO Patent Application WO/2023/051307

A1

The present application provides a reversing valve, comprising: a valve body, the valve body having a tubular structure, and an end of the valve body being a connecting end; an end cover, the end cover comprising a cover body, a conical cylinder and a cylinder, the end of the conical cylinder having a small outer diameter being connected to the cover body, the end of the conical cylinder having a large outer diameter being connected to the cylinder, both the conical cylinder and the cylinder penetrating into the connecting end, and both an outer wall of the conical cylinder and an outer wall of the cylinder being welded with an inner wall of the connecting end; and a welding recess, which is used for being filled with solder, the welding recess comprising a first recess section and a second recess section that communicate with one another, the first recess section being located between the outer wall of the conical cylinder and the inner wall of the connecting end, and the second recess section being located between the outer wall of the cylinder and the inner wall of the connecting end. By means of the technical solution provided in the present application, the problem in the existing technology that the quality of welding is poor between end cover and an inner wall of a valve body can be solved.

CAI BIN (CN)
FENG FAN (CN)

PCT/CN2022/119670

April 06, 2023

September 19, 2022

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ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)

F16K27/00

CN216200947U	2022-04-05
CN102200191A	2011-09-28
CN103256417A	2013-08-21
JP2005098471A	2005-04-14

KANGXIN PARTNERS, P.C. (CN)

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