Electric valve

An electric valve, comprising a valve component, a valve body assembly and a valve core, wherein the valve component comprises a sleeve, a transmission mechanism and a connecting seat;

• the sleeve is provided with a sleeve chamber, in which the transmission mechanism is at least partially arranged, and the sleeve is connected with the connecting seat;
• wherein a valve body chamber is formed in the electric valve, the valve core is arranged in the valve body chamber, and the valve core is in transmission connection with the transmission mechanism;
• the valve body assembly is connected with the connecting seat;
• wherein the transmission mechanism comprises a fixed ring gear and a planetary gear set, the planetary gear set is at least partially arranged inside the fixed ring gear;
• the connecting seat is provided with an accommodating chamber, in which the fixed ring gear is at least partially arranged, and part of the fixed ring gear abuts against the connecting seat;
• wherein the electric valve is provided with a passage, part of which is arranged between the connecting seat and the fixed ring gear and part of which is arranged at the connecting seat, and the passage communicates the sleeve chamber with the valve body chamber;
• wherein the connecting seat has a through hole through which the transmission mechanism is connected to the valve core, a communicating part and a communicating hole,
• the communicating part is arranged at one side, close to the fixed ring gear, of the connecting seat and is arranged along an axial direction of the connecting seat;
• and
• wherein the communicating hole is arranged along the axial direction of the connecting seat and penetrates through the connecting seat.