Front cover of fan

The utility model provides a front cover of fan, including the front shroud panel, a plurality of exhaust vents have been offered to front shroud panel formula structure as an organic whole on the front shroud panel, and the aperture of exhaust vent dwindles to outside the fan from wind vanes gradually. Because the aperture of exhaust vent dwindles to the fan outside from wind vanes gradually, when wind vanes ordered about the air and passes through from the exhaust vent, the air was quickened in the exhaust vent for the air -out wind speed improves. Under the same power, for traditional fan, use the utility model discloses an air -out wind speed of front cover of fan's fan can effectively be improved to improve the cooling effect, the gear that need not to adjust the fan can make the wind speed obtain improving, and then can reduce the energy consumption effectively.