Cooling fan

• Main Authors: LI YUE, ZHANG GUOPING, ZHOU CHUIYOU, TA JINGNING, DING HONGYU, SHI JINGXIN, LI QIUMEI
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2017
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The invention provides a cooling fan. The cooling fan comprises a motor, an impeller and a transmission mechanism connected between the motor and the impeller. The motor is provided with an output shaft. The impeller comprises a hub and a plurality of fan blades. The transmission mechanism comprises a driving gear, a driven gear in transmission connection with the driving gear, and a connecting piece fixedly connected with the driven gear. The connecting piece is contained in the hub and fixedly connected with the hub. At least part of the motor is contained in the hub. The output shaft of the motor is fixedly connected with the driving gear, so that the transmission mechanism is driven to act, and finally the impeller is driven to rotate. According to the cooling fan, the motor and the transmission mechanism are matched to drive the impeller to rotate; and the size of the motor is small, so that the overall weight and material consumption of the fan are effectively reduced, and the cost is reduced. 种冷却风扇，包括电