Patent ID: 11859728
Assignee: ZHEJIANG SANHUA COMMERCIAL REFRIGERATION CONTROLS CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 16:
17. An electric valve, comprising a housing component, a valve body component, a control component and a gear reduction mechanism,
wherein the housing component is fixedly connected to the valve body component, a valve chamber of the electric valve comprises an inner chamber of the housing component and an inner chamber of the valve body component, and the inner chamber of the housing component is in communication with the inner chamber of the valve body component;
the control component and the gear reduction mechanism are arranged in the inner chamber of the housing component, the control component comprises a motor and an input gear, the motor is rotatably connected with the input gear, a stator and a rotor of the motor are located above the gear reduction mechanism, the gear reduction mechanism comprises a planetary gear and an output gear carrier, the input gear meshes with the planetary gear, and the planetary gear is configured to drive the output gear carrier to rotate; and
the valve body component comprises a valve body, a first valve seat, a valve core and a transmission shaft, the valve body is fixedly connected to the first valve seat, the valve core is arranged in the inner chamber of the valve body component, the output gear carrier is rotatably connected to the transmission shaft, and the transmission shaft is rotatably connected to the valve core,
one end of the transmission shaft extends into a hole portion of the output gear carrier, the output gear carrier is configured to drive the transmission shaft to rotate, another end of the transmission shaft extends into a groove of the valve core, and the transmission shaft is configured to drive the valve core to rotate,
the electric valve further comprises a plug-in component, wherein the plug-in component comprises a plug-in socket, a sealing glass and a pin, the plug-in socket is fixed to the housing component by welding, the plug-in socket comprises an upper portion, a middle portion and a lower portion, the upper portion comprises a plug-in chamber, the sealing glass is fixed in the middle portion by sintering, the lower portion comprises a sealing chamber, the sealing glass is fixed to the pin by sintering, the pin penetrates through the sealing glass, an upper end of the pin is located in the plug-in chamber, a lower end of the pin is located in the sealing chamber, and the lower end of the pin is electrically connected to a lead wire of the control component; and
the housing component comprises an upper housing and a lower housing, the upper housing is fixed to the lower housing by welding, an upper end of the upper housing comprises a protruding portion protruding upward, a lower end of the plug-in socket comprises a first stepped portion with a stepped surface facing downward, the protruding portion is fixed to the first stepped portion by welding, an upper end of the lower housing comprises a second stepped portion with a stepped surface facing upward, the upper housing is placed on the second stepped portion, the upper housing is fixed to the second stepped portion by welding, and the lower housing is fixed to the valve body by welding.