Dust cup structure of dust collector

The utility model provides a dust cup structure of a dust collector. The dust cup structure comprises a dust cup and a dust cup cover, one end of the dust cup cover is hinged to the dust cup through a rotating shaft and a conductive torsional spring, the rotating shaft is sleeved with the conductive torsional spring, and the other end of the dust cup cover is detachably connected with the dust cup through a locking assembly; a connector is fixed on the dust cup cover, a first terminal is arranged in the connector, one end of the conductive torsion spring is electrically connected with the first terminal through a first lead, and the other end of the conductive torsion spring is electrically connected with the dust cup upper cover through a second lead. According to the dust cup cover, the first lead, the second lead and the conductive torsional spring are combined into a whole, so that the lead is effectively prevented from being bent in the opening and closing process of the dust cup cover, the service life