Household smoke exhaust ventilator with high washing efficiency

The invention is suitable for the technical field of daily life, and provides a household smoke exhaust ventilator with high washing efficiency. The appearance of the household smoke exhaust ventilator is a pipe-shaped smoke tube, a spraying device is installed at the top of the pipe-shaped smoke tube, a driving motor is installed above the spraying device, a washing groove is formed in the bottomof the pipe-shaped smoke tube, a driving rod is fixed to an output shaft of the driving motor and extends into the pipe-shaped smoke tube, a liquid penetration impeller is arranged below the sprayingdevice, the axis position of the liquid penetration impeller and the driving rod are fixed, an oil filtering device is arranged below the liquid penetration impeller, a smoke inlet is formed in the position, between the oil filtering device and the washing groove, of the pipe-shaped smoke tube, and a smoke outlet pipe communicates with the top of the pipe-shaped smoke tube. By means of the deviceof the structure, all plac