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Title:
MULTI-WAY VALVE
Document Type and Number:
WIPO Patent Application WO/2016/123845
Kind Code:
A1
Abstract:
A multi-way valve comprising an upper valve body (1), a lower valve body (2), and a rotating valve core (3), the upper valve body (1) and the lower valve body (2) respectively being provided with an upper mounting hole and a lower mounting hole, the rotating valve core (3) respectively passing through the upper mounting hole and the lower mounting hole, a first stepped surface (31) facing the upper valve body (1) being formed on the rotating valve core (3), and the lower mounting hole being provided with an adjusting nut (4) positioned below the rotating valve core (3); by means of adjusting the adjusting nut (4), the rotating valve core (3) is moved up and down to adjust the axial gap between the first stepped surface (31) and the upper valve body (1), such that the rotating valve core (3) can flexibly rotate under different temperatures, preventing the multi-way valve from jamming.

Inventors:
WAN MINGMIN (CN)
YAO JIANSHE (CN)
GAO ZHI (CN)
LI XUEFU (CN)
CHEN YUNZHAO (CN)
Application Number:
PCT/CN2015/075044
Publication Date:
August 11, 2016
Filing Date:
March 25, 2015
Export Citation:
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Assignee:
WUHU KING BULL INFORTEC PETROLEUM EQUIPMENT CO LTD (CN)
KELAMAYI KING BULL INFORTEC PETROLEUM EQUIPMENT CO LTD (CN)
International Classes:
F16K11/072
Foreign References:
CN104613037A2015-05-13
CN204458610U2015-07-08
CN204493797U2015-07-22
CN103939641A2014-07-23
CN203036009U2013-07-03
US4328832A1982-05-11
US2996083A1961-08-15
Attorney, Agent or Firm:
KINGSOUND & PARTNERS (CN)
北京金信知识产权代理有限公司 (CN)
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