Rotor assembly, motor, fan and electrical equipment

Abstract

The utility model provides a rotor assembly, a motor, a blower fan and electrical equipment, the rotor assembly comprises a rotor iron core, the rotor iron core is provided with a shaft hole and a plurality of installation grooves arranged around the shaft hole at intervals, and the shaft hole is internally provided with a first positioning part; the rotating shaft is mounted in the shaft hole, a second positioning part is arranged on the rotating shaft, and the first positioning part is matched with the second positioning part; the plurality of magnetic parts are arranged in the plurality of mounting grooves; wherein the rotating shaft is an integrated plastic shaft; or the rotating shaft comprises a core shaft and a plastic part formed on the radial outer side of the core shaft, and the core shaft is made of a metal material or a plastic material.

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