Large-air-volume fan

• Main Authors: CHO HYUNG HAENG, XU JIANBIAO, NI YANQIN, LIANG FAN, CHENG JI
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2022
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses a large-air-volume fan which comprises an air duct, a motor and an impeller driven by the motor to rotate are installed in the air duct, the impeller comprises a cross-shaped connecting piece and four blades, the middle of the cross-shaped connecting piece is connected to an output shaft of the motor, the four blades are connected to the cross-shaped connecting piece, and the four blades are in a twisted and inclined blade shape. Four connecting parts capable of being attached to the surfaces of the four blades respectively are arranged on the periphery of the cross-shaped connecting piece, and the four blades are fixedly connected to the four connecting parts respectively. The utility model provides the large-air-volume fan which has larger air volume and improves the ventilation efficiency under the same specification and rotating speed. 本实用新型公开了一种大风量风机，包括风筒，风筒内安装有电机以及通过电机驱动旋转的叶轮，所述叶轮包括中部连接于电机输出轴上的十字型连接件以及连接于十字型连接件上的四个叶片，四个所述叶片呈扭曲且倾斜的叶形，所述十字型连接件外周为四个可分别与四个所述叶片表面贴合的连接部，四个所述叶片分别固定连