Motor for centrifugal fan

The utility model discloses a motor for a centrifugal fan, and aims to provide a motor for a centrifugal fan, which can keep the rotation balance of an impeller, reduce vibration and noise and improve the stability of the pre-tightening force of a bearing. The rotor comprises a rotor shell, an impeller and a rotating shaft, the impeller and the rotor shell are integrally formed, the impeller is located outside the rotor shell, and the rotating shaft is connected to the interior of the rotor shell. The centrifugal blower is applied to the technical field of air conditioner centrifugal blowers. 本实用新型公开了一种离心风机用马达，旨在提供一种能够保持叶轮转动平衡、减少振动及噪音和提高轴承预紧力的稳定性的离心风机用马达。本实用新型包括转子壳体、叶轮和转轴，所述叶轮与所述转子壳体一体成型，且位于所述转子壳体的外部，所述转轴连接于所述转子壳体的内部。本实用新型应用于空调离心送风机的技术领域。