Cleaning device

The utility model belongs to the technical field of vacuum dust collectors, and particularly relates to a cleaning device. The cleaning device comprises a dust cup assembly and a main machine assembly which are arranged in a butt joint mode, the main machine assembly comprises a first magnet and a rotating ring driving the first magnet to rotate in the circumferential direction, and the dust cup assembly comprises a second magnet and a dust scraping assembly which is installed on a dust cup shell. The first magnet can be driven by the rotating ring to circumferentially rotate between a magnetic attraction position and a dislocation position, in the magnetic attraction position, the motor front cover stretches into the dust cup shell, the first magnet and the second magnet are locked in a magnetic attraction mode, and in the dislocation position, the first magnet and the second magnet are unlocked in a dislocation mode. And the dust scraping assembly can scrape impurities on the outer side of the cyclone separ