EXPANSION VALVE BLOCK

摘要

An expansion valve block, comprising: a first mounting side and an oppositely disposed second mounting side; a first control valve mounting area (10) disposed on the first mounting side, and comprising first control valve mounting area oil ports (P1, T1, B1, A1) and first control valve mounting area mounting holes (F11, F12, F13, F14); a second control valve mounting area (20) disposed on the first mounting side, and comprising second control valve mounting area oil ports (P2, T2, B2, A2) and second control valve mounting area mounting holes (F21, F22, F23, F24); an expansion valve block mounting area (30) disposed on the second mounting side, and comprising expansion valve block mounting area oil ports (P',Τ',Β',Α') and expansion valve block mounting area mounting holes (F1', F2', F3', F4'); and an inner oil duct. The first control valve mounting area oil ports (P1, T1, B1, A1) and the first control valve mounting area mounting holes (F11, F12, F13, F14) in the first control valve mounting area (10), as well as the second control valve mounting area oil ports (P2, T2, B2, A2) and the second control valve mounting area mounting holes F21, F22, F23, F24) in the second control valve mounting area (20), are central-symmetrically disposed on the first mounting side. The expansion valve block allows two four-oil-port control valves to be installed at the same time, and has a compact structure, a light weight and a small size.