Floor brush mechanism and cleaning equipment

The utility model discloses a floor brush mechanism and cleaning equipment. The floor brush mechanism comprises a floor brush body and a brush shaft assembly, an adjusting piece is arranged on the outer side of the floor brush body, and a locking part is arranged on the inner side of the floor brush body; the brush shaft assembly is detachably arranged on the floor brush body and comprises a brush shaft body rotationally arranged on the floor brush body, one end, in the axial direction, of the brush shaft body is in butt joint with the floor brush body, and the other end, in the axial direction, of the brush shaft body is provided with a matching part matched with the locking part; when the brush shaft assembly is mounted on the floor brush body, the locking part can be locked with the matching part, and the brush shaft assembly is fixed on the floor brush body; when the adjusting part is adjusted, the locking part can be driven to be separated from the matching part, and the brush shaft assembly can be detac