US 12,146,581 B2
Electric valve
Ming Lv, Shaoxing (CN); Jiancheng Zhi, Shaoxing (CN); and Damai Yang, Shaoxing (CN)
Assigned to Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd., Shaoxing (CN)
Filed by Zhejiang Sanhua Commercial Refrigeration Controls Co., Ltd., Shaoxing (CN)
Filed on Sep. 11, 2023, as Appl. No. 18/465,018.
Application 18/465,018 is a continuation of application No. 16/961,631, granted, now 11,788,642, previously published as PCT/CN2018/087275, filed on May 17, 2018.
Claims priority of application No. 201810094300.9 (CN), filed on Jan. 31, 2018.
Prior Publication US 2023/0417340 A1, Dec. 28, 2023
Int. Cl. F16K 31/04 (2006.01); F16K 1/02 (2006.01); F16K 1/36 (2006.01); F16K 1/42 (2006.01); F16K 31/50 (2006.01)
CPC F16K 31/047 (2013.01) [F16K 1/36 (2013.01); F16K 1/42 (2013.01); F16K 31/50 (2013.01); F16K 1/02 (2013.01); F16K 31/508 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An electric valve, comprising a valve seat component, a valve body component, a valve core component, and a valve core guiding component, wherein the valve seat component comprises a sealing portion, the valve core component is arranged in a valve chamber of the electric valve, and the valve core component comprises a valve core body,
the valve core body is substantially tubular, the valve core body has an integral structure, and the valve core body comprises an annular thin-walled portion to abut against the sealing portion of the valve seat component,
the valve core guiding component is provided in the valve chamber and comprises a guide sleeve, and the guide sleeve is fixedly connected with the valve body component;
the valve core body comprises a diameter-reduced section and a large-diameter section, and a second axial through hole is provided between the diameter-reduced section and the large-diameter section; an accommodating space is provided between an outer wall of the diameter-reduced section and an inner wall of the guide sleeve, a sealing assembly is provided in the accommodating space, and the sealing assembly is provided between the outer wall of the diameter-reduced section and the inner wall of the guide sleeve; and the outer wall of the large-diameter section is in sliding fit with the inner wall of the guide sleeve, a transition section is provided between the diameter-reduced section and the large-diameter section, and the sealing assembly is arranged above the transition section.