Portable motor pump

摘要

A portable motor pump of the type in which a pump section driven by a motor is installed inside a liquid chamber, with a discharge port of the pump section being opened into the liquid chamber, and in which water which is to be pumped is led from the outside of the liquid chamber to a suction port of the pump section and the pumped water is discharged from the liquid chamber to the outside is disclosed. The liquid chamber is defined by a motor pump body, a pump outer casing outwardly spaced from and surrounding the motor pump body, a motor head cover covering an upper opening of the pump outer casing and a bottom plate covering a lower opening of the pump outer casing. A circulating water suction port for self-priming of the motor pump is opened into the liquid chamber. A suction port which communicates with the suction port of the pump section and a discharge port for discharging the pumped water to the outside are provided in the motor head cover.