Rotor and motor

Abstract

A rotor (100) and a motor. The rotor comprises a rotor iron core (10) and a plurality of permanent magnets (20), wherein the rotor iron core (10) is provided with a plurality of mounting grooves (11) arranged at intervals in a circumferential direction; each mounting groove (11) comprises a first groove portion (111) and a second groove portion (112) which are in communication with each other; the plurality of permanent magnets (20) are arranged in the plurality of mounting grooves (11) in a manner of corresponding to each other on a one-to-one basis; and each permanent magnet (20) comprises a first magnet portion (21) and a second magnet portion (22), the first magnet portion (21) being fitted in the first groove portion (111), the second magnet portion (22) being fitted in the second groove portion (112), the second magnet portion (22) being connected to the side of the first magnet portion (21) facing an outer contour of the rotor iron core (10), and the width of the first magnet portion (21) being greater than that of the second magnet portion (22).

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