Patent ID: 11946555
Assignee: ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A nut assembly of an electronic expansion valve, comprising:
a nut base having a first end and a second end opposite to each other;
a stop guide rail sleeved on the nut base and having a third end;
a check ring sleeved on the nut base and capable of spirally rotating relative to the nut base along the stop guide rail; and
a limiting element disposed at the first end of the nut base, which is configured to limit a movement of the stop guide rail on the nut base along an axis of the nut base, and to limit rotation of the check ring,
wherein the limiting element is provided with a limiting portion, the third end of the stop guide rail penetrates through the limiting portion, and the limiting portion of the limiting element is capable of limiting a displacement of the third end of the stop guide rail in a radial direction of a cross section of the nut base along the axis of the nut base.