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

Claim 9:
10. 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 motor comprises a rotating shaft, the gear reduction mechanism further comprises a planetary gear carrier and a positioning rod, the planetary gear is arranged on the planetary gear carrier, the planetary gear carrier comprises a first-stage planetary gear carrier, the first-stage planetary gear carrier comprises a center through hole, a lower end of the rotating shaft is located in the center through hole, an upper end of the transmission shaft comprises a blind hole, an upper end of the positioning rod is located in the center through hole, and a lower end of the positioning rod is located in the blind hole.