High -efficient low lift is dirty pump stealthily

The utility model relates to a high -efficient low lift is dirty pump stealthily, it is including dive motor, the device of being qualified for the next round of competitions, volute, pump cover and impeller. Wherein the bolt hookup is on the bottom end cover of dive motor for the pump cover, and dive electric motor rotor axle passes from the pump cover, and the key fastening is on the rotor shaft for the impeller, and the volute is adorned on the pump cover, impeller choma and volute water inlet sealing connection, water pump and the coaxial hookup of dive motor, the flow surface of pump cover is streamlined, the impeller is the mixed -flow structure to the back shroud design is the pitch arc type, impeller, pump cover, volute post assembling form the semi -closed shape of slick and sly similar streamline, dive motor stator outside scribbles the insulating paint of heat conduction material, and the cable outlet of dive motor is other in the motor side. The utility model discloses high -efficient low lift is