Electronic expansion valve rotor assembly

• Main Author: HE ZEMIAO
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2020
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

An electronic expansion valve rotor assembly is composed of a shell, a positioning shaft, a supporting seat, a stop rod, a magnetic ring, a valve needle spring, a spring support, a guide nut, a seat ring, a side connecting pipe, a straight pipe, a flow guide plate, a valve needle, a valve seat, a lead screw, a welding ring, a connecting sleeve, a guide rail shaft and a sliding ring. The supportingseat is an injection molding piece, is integrated with the positioning shaft and the stop rod through injection molding, and is riveted with the shell for pit pressing and locking; the guide nut is an injection molding piece and is integrated with the welding ring through injection molding, and the guide rail shaft is an injection molding piece and can replace a traditional spring guide rail anda guide rail shaft; the flow guide plate is additionally arranged to balance energy carried by the refrigerant, and noise generated by vibration of the valve needle and breakage of refrigerant bubblesis reduced; through struct