Portable fan

The utility model discloses a portable fan which comprises an outer shell and a fan wheel, the fan wheel is contained in the outer shell, an air inlet is formed in the position, corresponding to the fan wheel, of the outer shell, an air outlet is further formed in the outer shell, and the outer shell further comprises a switch cover arranged at the air inlet. The opening and closing cover can move in the axial direction of the air inlet so as to be switched between an opening position and a closing position, the opening and closing cover protrudes out of the outer side of the air inlet when located at the opening position, an air inlet channel allowing external air to flow into the air inlet is formed between the opening and closing cover and the air inlet, and when the opening and closing cover is located at the closing position, the opening and closing cover is closed. And the air inlet is shielded by the switch cover. 本实用新型公开一种便携风扇，包括外壳及扇轮，所述扇轮收容于所述外壳内，所述外壳对应所述扇轮所在位置设有进风口，且所述外壳上还设有出风口，所述外壳还包括设于所述进风口处的开关盖，所