CONTROL SPEED suction flow and vacuum cleaner fitted with MI

摘要

FIELD: personal usage articles.;SUBSTANCE: proposed is a device for adjustment of the vacuum cleaner suck-in flow rate. The suck-in flow rate adjustment device includes the first suck-in flow channel (100) the ends whereof are connected to the vacuum cleaner main body (1) and the brush unit (2) respectively. The device includes the second suck-in flow channel (200) that is formed inside the handle (3) positioned on the connective means (18) with a flow channel including the first hole (210) connected to the outside and the second hole (220) connected to the first suck-in flow channel. The opening/closing device (300) is installed for opening/closing the second hole (220).;EFFECT: device design improvement.;15 cl, 8 dwg