Patent ID: 11959561
Assignee: ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 29:
30. The electronic expansion valve according to claim 29, wherein the lifting assembly (4-7) comprises a spring (4-71), a gasket (4-72) and a ball (4-73); the spring (4-71) is mounted in the lifting assembly (4-7), one end of the spring is connected to the lead screw assembly (4-9), the other end of the spring is connected to the gasket (4-72) and is connected to the valve needle (4-5) by the ball (4-73), and the ball (4-73) is disposed between the gasket (4-72) and the valve needle (4-5).