ROTOR HOLDER, ROTOR ASSEMBLY, MOTOR, AND ELECTRIC TOOTHBRUSH

Abstract: a rotor holder, a rotor assembly, a motor, and an electric toothbrush. the rotor holder includes a center shaft and a mounting portion. the mounting portion protrudes from an outer peripheral surface of the center shaft; wherein a surface of the mounting portion away from the center shaft defines a plurality of accommodation slots spaced around an axis of the center shaft. the surface of the mounting portion away from the center shaft further defines a material reduction slot, and a bottom of the material reduction slot extends around the axis of the center shaft and passes through a bottom wall surface of each of the plurality of accommodation slots.

Inventor(s): Hongxin Ye

CPC Classification: H02K1/274 (Rotor cores with permanent magnets)

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