| 摘要 |
FIELD: personal use and household items.SUBSTANCE: invention is aimed to provide a device for cleaning floors with front and back suction units and to either increase degree of negative pressure generated in the suction unit, or to increase the instantaneous suction volume consumption without changing the power of the turbine creating the negative pressure. Invention discloses device (1) cleaning floors including: a) front part (16) and rear part (17), wherein rear part (17) has two lateral rear wheels (3); b) frame (2); and c) cleaning unit (4) attached to frame (2), wherein cleaning unit (4) comprises at least one rotating brush (20) which is installed in front of front section (16) of device (1) for cleaning floors so that it can contact with floor (12); suction device 25 including front suction unit (8) installed before at least one brush (20), and back suction unit (7) installed behind at least one brush (20), wherein front suction unit (8) has front suction channel (29) and closing element (26) to close front suction channel (29).EFFECT: invention relates to a floor cleaning device.27 cl, 5 dwg |
