Rotor of motor
AssigneeHa Nam Electricity Co., Ltd.
InventorsYoung Gun CHOI, Jin Won CHAE, Jun Hyeok JANG
Life of this patent
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Abstract
A rotor of a motor according to the present invention comprises: a shaft; a rotor core having a shaft insertion hole, into which the shaft is inserted and coupled; a magnet coupled to the outer peripheral surface of the rotor core; and a rotor cover comprising an upper cap and a lower cap, which cover the upper and lower portions of the rotor core and of the magnet, respectively, wherein the outer periphery of the rotor core comprises a first corner portion and a second corner portion, and the inner periphery of the magnet comprises a first inner peripheral portion, which corresponds to the first corner portion, and a second inner peripheral portion, which corresponds to the second corner portion.
Claims6
A rotor of a motor, comprising:
- a shaft;
- a rotor core having a shaft insertion hole, into which the shaft is inserted and coupled;
- a magnet coupled to an outer peripheral surface of the rotor core;
- and
- a rotor cover comprising an upper cap and a lower cap, which cover upper and lower portions of the rotor core and of the magnet, respectively,
- wherein the outer periphery of the rotor core comprises a first corner portion and a second corner portion, and the inner periphery of the magnet comprises a first inner peripheral portion, which corresponds to the first corner portion, and a second inner peripheral portion, which corresponds to the second corner portion.
A method for manufacturing a rotor of a motor, comprising:
- coupling a shaft to a center of a rotor core;
- coupling a cylindrical magnet to an outer periphery surface of the rotor core;
- placing in an insert injection mold in a state having the rotor core and the magnet coupled;
- and
- forming a rotor cover formed in the upper and lower portions of the magnet by insert injection.
Dependencies are inferred from the claim text.