| 摘要 |
Title: low-cost rotor structure for an external rotor motor Abstract A low-cost rotor structure for an external rotor motor, comprising an external rotor shell with a center hole, and a motor shaft, characterized in that a fixed portion extending toward a circumferential outside of the motor shaft is formed on the motor shaft, the motor shaft is located within the center hole, and the fixed portion of the motor shaft is fixed to the external rotor shell through fasteners which are detachable; a plurality of through holes are formed on the external rotor motor shell, and the through holes are arranged circumferentially at uniform intervals by taking the center hole as a center. |
