Electric control valve for preventing ball body from drooping

The invention provides an electric control valve for preventing a ball body from drooping. The electric control valve comprises a valve body. A valve cover is arranged at one side of the valve body; aball body is arranged in the valve body; the upper end of the ball body is connected with a rotating shaft for controlling the ball body to rotate; an upper positioning hole is formed in the right upper end of the center of the outer surface of the ball body; the upper positioning hole is embedded with a positioning column at the lower end of the rotating shaft; a temperature sensor base is arranged at the position, located at the right lower end of the center of the ball body, of the valve body; the temperature sensor base runs through a lower positioning hole in the right lower end of the center of the ball body and enters the ball body; and the temperature sensor base is embedded into the lower positioning hole. The upper positioning hole is fixedly matched with the rotating shaft, andthe lower positioning hol