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

Claim 20:
21. The electric valve according to the claim 17, wherein the motor comprises a rotating shaft and a transmission rod fixedly connected to the rotating shaft, the transmission rod comprises a side wall portion, the input gear comprises a large-diameter portion and a small-diameter portion, a groove is defined at an upper end of the large-diameter portion, at least part of the transmission rod is located in the groove, the groove comprises a groove wall portion configured to abut against the side wall portion, a circumferential movement gap is defined between the groove wall portion and the side wall portion, a circumferential outer wall of the small-diameter portion comprises a sun gear, the gear reduction mechanism further comprises a gear ring and a partition plate, the gear ring is fixedly connected to the partition plate, the gear ring is substantially cylindrical, at least part of the sun gear is located in an inner chamber of the gear ring, the planetary gear is located in the inner chamber of the gear ring, the sun gear meshes with the planetary gear, the partition plate comprises a center hole, and the small-diameter portion penetrates through the center hole.