Motor heat dissipation device

The utility model discloses a motor heat dissipation device, which comprises a first shell, a driving motor, a filter shell, a fixed frame and a limiting device, and is characterized in that an air pipe is arranged at the top of a second shell, the other end of the air pipe is bent and extends to the driving end of the side wall of the first shell, and a rotating rod is arranged at the output end of the driving motor; the other end of the rotating rod extends into the second shell and is connected with a fan, airflow is generated when the driving motor is started to drive the fan to rotate, the airflow is conveyed to the driving motor through an air pipe, the fan of the motor is used for conducting heat dissipation on a bearing at the driving end, the temperature of the bearing during operation of the motor is controlled, and safe and stable operation of the motor is guaranteed. 本实用新型公开一种电动机散热装置，包括第一壳体、驱动电机、过滤壳、固定框和限位装置，本实用新型通过在第二壳体顶部设置风管，风管另一端弯曲延伸至第一壳体侧壁驱动端，驱动电机输出端转杆，转杆另一端伸入第二壳体内部并连接有风扇，通过启动驱动电机带动风扇旋转时产生气流，气