Electronic Expansion Valve

Abstract

An electronic expansion valve, including: a valve seat, wherein the valve seat is provided with a first mounting channel extending in an axial direction, and a valve port is provided in the first mounting channel; a valve needle, which is movably mounted in the first mounting channel to block or avoid of the valve port, wherein a mounting gap is provided between a wall surface of the first mounting channel and an outer wall of the valve needle; and a first sealing piece, which is mounted on the valve needle, wherein the first sealing piece is located in the mounting gap, so as to seal the mounting gap by means of the first sealing piece. The electronic expansion valve can solve the technical problems in the related art of poor sealing performance of an electronic expansion valve and a valve needle being prone to moving.

Dependencies are inferred from the claim text.