Electro-hydraulic ventilation butterfly valve

The invention relates to the technical field of butterfly valves, in particular to an electro-hydraulic ventilation butterfly valve which comprises a valve body, a control box is fixedly connected to the outer wall of the valve body, a hand wheel is rotatably connected to the outer wall of the top of the control box, a first mounting opening is formed in the outer wall of one side of the control box, and a driving mechanism is mounted on the inner wall of the first mounting opening; a second mounting opening is formed in the outer wall of the other side of the control box, an adjusting mechanism is mounted on the inner wall of the second mounting opening, and a first gear connected with the valve plate is rotationally connected to the inner wall of the bottom of the control box. The defects in the prior art are overcome, the driving mechanism is arranged on the control box, power can be conveniently provided for adjustment of the valve plate, the adjusting mechanism is arranged on the control box, power in th