Self -control purifies machine of buying oil

The utility model relates to a mechanical equipment maintains the device, specifically is a self -control purifies machine of buying oil, square oil tank is drawn together to the press packed bale of buying oil, and the top of oil tank is equipped with sealed top cap, be fixed with the motor on the top cap, the oil pump is connected in the pivot of motor, the oil pump sets up in the oil tank, and the inside hollow portion of oil pump is equipped with that two intermeshing just can do, the oily gear of counterclockwise direction moving drum, the oil outlet of oil pump is connected to the pressure regulating valve on the top cap through a three -way pipe, pressure regulating valve is last still to be connected with two cross valves, two two cross valves are connected back oil pipe respectively and are gone out oil pipe, be equipped with the high pressure filter on the play oil pipe, it connects inside the oil tank to return oil pipe. This equipment structure is simple, self developed, and it is extensive to inv