Vehicle air conditioner system electronic expansion valve

• Main Authors: ZHU FANGYING, WANG DINGJUN
• Format: Patent
• Language: Chinese; English
• Published: 09.10.2018
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; COMBINED HEATING AND REFRIGERATION SYSTEMS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The invention provides a vehicle air conditioner system electronic expansion valve. The vehicle air conditioner system electronic expansion valve comprises a valve body, a rotor assembly and a valve seat assembly. The rotor assembly is arranged on the valve seat assembly. The valve body is provided with an inlet channel, an outlet channel and a middle channel through which the inlet channel communicates with the outlet channel. The valve seat assembly is detachably arranged and fixed in the middle channel. The valve seat assembly comprises a valve seat and a supporting base, and the valve seatand the supporting base are fixedly connected after being separably formed. The valve seat comprises a valve port and a communication channel communicating with the inlet channel. The rotor assemblycomprises a valve needle matched with the valve port, the valve body is provided with a first thread located in the middle channel, and the supporting base is provided with a second thread which is inscrewing fit with the firs