Structure of a vehicle maintenance washing apparatus

摘要

An improved structure of a vehicle maintenance and washing apparatus is disclosed and the apparatus comprises an air compressor with a pulse pump as a driven source, a one check valve, an engine oil fine filter, at least one or a plurality of strainers, a plurality of three way joints, a plurality of four way joints and a plurality of butterfly valves, characterized an inlet/outlet oil tube and a solvent tube are mounted thereof and the inlet oil tube passes the 1^st four way joint and then divides into two routes, the 1^st route inlet oil tube may or may not pass the strainer connecting the 2^nd four way joint, and the 2^nd route inlet oil tube passes the engine oil fine filter, the 3^rd butterfly valve and the 1^st three way joint and is then connected to the pulse pump, the solvent tube connected to the 4^th butterfly valve passes the 2^nd three way joint and the 1^st three way joint and enters the pulse pump outlet oil tube and from the pulse pump to the one check valve connecting the 2^nd four way joint, and from the 2^nd four way joint to the external, the inlet/outlet oil tube is connected to engine lubricating system, or ejector or auto gearshift box which needed to be cleaned.