Regulating valve convenient for observing flow velocity

The invention discloses a regulating valve facilitating flow velocity observation, and relates to the technical field of regulating valves. A water tank is formed in the valve body in the transverse direction, a channel is formed in the upper portion of the valve body, a control assembly and an observation assembly are arranged on the upper portion of the valve body, a valve matched in the channel in a sliding mode is arranged at the output end of the control assembly, a motor is arranged in the valve body, a rotating shaft is arranged at the output end of the motor, and a plurality of spoon plates are arranged on the peripheral side of the rotating shaft. The control assembly comprises a cylinder arranged on the upper portion of the valve body, an iron block elastically slides in the cylinder, an electromagnet is arranged at the lower end of the inner wall of the cylinder, and an electric wire is connected between the electromagnet and the motor. Through the spoon plate, when water flows, the rotating shaft