Simple grain storage multi-pipe ventilation system

The utility model discloses a simple grain storage multi-pipe ventilation system which comprises an induced draft fan, a distribution box, a hose and an insertion pipe which are connected in sequence. A rotationally connected shifting plate is arranged in the distribution box, an induced draft fan connecting port is formed in one side of the shifting plate, the other side of the shifting plate corresponds to the arc-shaped inner wall, and a plurality of sets of hose connecting ports are formed in the arc-shaped inner wall; the shifting plate can rotate back and forth towards one side of the hose connector; and the hose is sleeved on the hose connector. The distribution box is novel in structure, adopts the distribution box to control the pipeline to supply air, is convenient to connect and adjust, and effectively solves the technical problem of inconvenience in use in the prior art. 本实用新型公开了一种简易储粮多管通风系统，包括依次连接的引风机、分拨箱、软管和插管；所述分拨箱内设有一片转动连接的拨板，所述拨板的一侧设有引风机连接口，另一侧对应圆弧形内壁，圆弧形内壁上设有多组软管连接口；所述拨板可以向软管连接口一侧来回转动；所述软管套接