Building passageway air distribution system

The utility model discloses a building passageway air distribution system, including base, wind guide, middle jointing member, fan, air -out piece, wind guide and air -out piece are fixed on the base, and the fan is fixed inside middle jointing member, wind guide and air -out piece are arranging in middle jointing member both sides of toper and relative symmetry, middle jointing member is including the round cylinder part, hand pole, the connection piece that have the breach, the hand pole becomes the arc, and the one of which end hinge connects the one end at circle cylinder part's breach, and middle end is articulated with the one end of connection piece, the connection piece is the arc, and the other end of connection piece is articulated with the other end of circle cylinder part's breach, the wind wheel includes conical wheel hub, a plurality of ARC blade, blade distribution is on wheel hub, the rear end of motor has a hemispherical kuppe. The utility model discloses can solve and how improve its air out