Dustproof mechanism, dust collection station and cleaning equipment

The invention relates to the technical field of cleaning equipment, in particular to a dustproof mechanism, a dust collection station and cleaning equipment. The dust collection station comprises a dust collection bin provided with a dust collection air duct, the cleaning device comprises a dust collection cup and a dust cup sealing cover, the end, facing the dust collection cup, of the dust collection air duct is a communication opening, the dust collection cup is communicated with the dust collection air duct through the communication opening, and the dust collection station further comprises a dustproof mechanism which can swing relative to the communication opening so that the communication opening can be selectively opened or closed. When the cleaning device is arranged on the dust collection station, at least part of the dustproof mechanism can be attached to the dust cup sealing cover, and the dustproof mechanism and the dust cup sealing cover move synchronously. The dustproof mechanism is attached to