Rotatable centrifugal fan

The utility model discloses a rotatable centrifugal fan, including support and main part, be provided with the workstation on the support, be connected with the motor in the main part, be provided with annular shaped support plates in the main part, be provided with the annular contact board on the support, the annular contact sleeve -board connects in annular shaped support plates, annular contact board and annular shaped support plates normal running fit, a plurality of screw hole has been seted up in annular shaped support plates and the annular contact board coincidence part, threaded hole is provided with and screws up the screw, the utility model discloses a set up annular shaped support plates in the main part, set up the annular contact board on the support, make the annular contact board normal running fit on annular shaped support plates and the support to make the main part rotate in vertical orientation, realize changing the purpose of centrifugal fan's air outlet orientation. 本实用新型公开了种可旋转的离心风机，包括