Swing type autorotation spraying device

The utility model belongs to the technical field of liquid spraying, and particularly relates to a swing type autorotation spraying device, which comprises a barrel body, a spray head, a flow guide device and a fan arranged in the barrel body, and is characterized by further comprising a hollow shell, a vertical pesticide pipe hole is formed in the bottom wall of the shell, the barrel body is arranged in the shell, and the spray head is arranged in the shell. The flow guiding device is arranged on one side of the barrel in a penetrating mode, a spraying pipe communicated with the interior of the barrel is arranged on the outer side of the barrel, the liquid outlet end of the pesticide pipe penetrates through the pesticide pipe hole and extends out of the shell, and the spraying head and the connector are located below the pesticide pipe hole, located outside the shell and located on one side of the connector. And an output shaft of the motor is connected with the fastener. The utility model has the advantages