Rotor core, rotor assembly and motor
The utility model discloses a rotor iron core, a rotor assembly and a motor, the rotor iron core comprises an annular part provided with a central shaft hole and a plurality of fan-shaped iron core parts protruding from the circumferential side of the annular part, a magnetic steel groove used for i...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
26.04.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a rotor iron core, a rotor assembly and a motor, the rotor iron core comprises an annular part provided with a central shaft hole and a plurality of fan-shaped iron core parts protruding from the circumferential side of the annular part, a magnetic steel groove used for installing magnetic steel is defined between every two adjacent fan-shaped iron core parts, the fan-shaped iron core parts are connected to the annular part through a plurality of inner magnetic bridges, and a plurality of stress release holes which are distributed in the circumferential direction and correspond to the plurality of magnetic steel grooves are formed in the annular part; wherein a central angle corresponding to two opposite side edges of each stress release hole along the circumferential direction of the rotor core is beta, a central angle corresponding to two inner magnetic bridges on two sides of each magnetic steel groove along the circumferential direction of the rotor core is alpha, and beta is g |
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Bibliography: | Application Number: CN202322019983U |