a window cleaning machine

Abstract

The invention discloses a window-cleaning machine which comprises a shell, wherein a handle is arranged on the rear part of the shell; a cleaning head is mounted above the shell; a water suction port of the cleaning head is communicated with a water-air inlet of the shell; a sewage collecting box is mounted on the lower part of the shell; a water channel is arranged between the water-air inlet and the sewage collecting box; a water-air separating cavity is arranged between the water channel and the water-air inlet; an air absorbing device is arranged in the shell; an air absorbing port of the air absorbing device is arranged on a lateral wall of the water-air separating cavity; a front baffle is arranged in the water-air separating cavity; a water-air separating plate is arranged between the front baffle and the air absorbing port; a water-stopping plate is arranged in the sewage collecting box; the front end of the water-stopping plate is jointed with an inside wall at the front end of the sewage collecting box; the left and right sides of the water-stopping plate are jointed with left and right inside walls of the sewage collecting box; a clearance exists between the rear end of the water-stopping plate and the inner bottom surface of the sewage collecting box; the front end of the water-stopping plate is not lower than the rear end. The window-cleaning machine can be used for efficiently separating water from air, can prevent water from being absorbed into the air absorbing port and also can prevent water from flowing backwards out of the sewage collecting box.

Description

technical field [0001] The invention relates to the field of household equipment, in particular to a window cleaning machine capable of effectively separating water and air and preventing backflow of sewage. Background technique [0002] The window cleaning machine is mainly used to wipe the glass. The structure of the window cleaning machine mainly includes: a housing, a handle is arranged on the rear side of the housing, a wiping head with an eraser strip is arranged on the top of the housing, and a wiping head is set in the wiping head. There is a water suction port, and the water outlet end of the bottom of the water suction port extends into the water-air separation chamber in the shell. A sewage collection box is installed at the bottom of the shell. The water channel of the sewage collection box is also provided with a suction device that can suck the sewage during wiping into the water-air separation chamber from the water suction port in the housing. After the air ...

AI Technical Summary

Problems solved by technology

[0004] The disadvantage of the water-air separation device in the above-mentioned window cleaning machine is: since the water outlet end and the air suction port at the bottom of the water suction port directly extend into the water-air separation chamber, and the air mixed with sewage can flow from the front and back of the water-retaining air plate. The rear side enters the water-air separation chamber at the same time, which makes the effect of water-air separation not good. During work, water is often sucked into the induced draft fan of the suction device, which will not only dirty the shell, but also affect the cleaning of the window in severe cases. normal operation of the machine

[0005] In addition, the design of the sewage collection box of many window cleaning machines is unreasonable. During the window cleaning process, due to the excessive forward or backward tilt angle of the window cleaning machine, the sewage will flow back from the sewage collection box, and finally from the window cleaning machine. Outflow from the suction port of the head

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