Wide-angle air supply fan

A wide-angle air supply fan comprises a front net, a front casing, a motor, fan blades, a rear casing and a rear net, wherein the front net is connected with the front casing, the rear casing is detachably connected with the front casing, the rear net is detachably connected with the rear casing, and the rear casing is provided with a front opening and a rear opening. Air supply holes are arranged on the circumference of the rear casing. The wide-angle air supply fan is characterized in that wind blocking boards are arranged on the circumference of the rear casing. Due to the fact that the structure is adopted, the horizontal air supply distance is large, and the air scattering effect is strong. The wide-angle air supply fan is extremely good in effect and simple and reliable in structure, does not increase cost, and is suitable for massive popularization.