Oil retaining and silencing structure of rotor assembly, compressor and air conditioner

The invention provides an oil retaining and silencing structure of a rotor assembly, a compressor and an air conditioner, the oil retaining and silencing structure of the rotor assembly comprises the rotor assembly and an oil retaining seat, an oil retaining seat circulation hole is formed in the oil retaining seat, and the oil retaining seat circulation hole is communicated with a rotor circulation hole; an oil guide part is arranged on the second axial end face in a protruding mode in the direction away from the rotor assembly, a resonant cavity is formed in the oil guide part and extends in the protruding direction of the oil guide part, a resonant cavity neck channel is further formed in the oil blocking base, one end of the resonant cavity neck channel communicates with the oil blocking base circulation hole, and the other end of the resonant cavity neck channel communicates with the resonant cavity. Part of fluid in the oil baffle seat circulation hole can be guided into the resonant cavity through the