Self-cleaning floor scrubbing machines

Abstract

A self-cleaning floor scrubbing machine is disclosed in the present invention. The self-cleaning floor scrubbing machine comprises a roller brush, a dirt holding tank, a threaded water pumping and conveying rod, and a water blocking cover. A length direction of the dirt holding tank is the same as an axial direction of the roller brush. The dirt holding tank is located on one side of the roller brush. An opening is provided on a side of the dirt holding tank facing the roller brush. An axial direction of the threaded water pumping and conveying rod is the same as that of the roller brush. The threaded water pumping and conveying rod is mounted in the dirt holding tank. A drain outlet is disposed on the dirt holding tank. The water blocking cover is arranged above the roller brush. One end of the water blocking cover extends to the dirt holding tank.

Dependencies are inferred from the claim text.