Water outlet flow control structure applied to underground water quality monitoring and sampling device

The utility model discloses a water outlet flow control structure applied to an underground water quality monitoring and sampling device. The water outlet flow control structure comprises a shunting control box and a water storage box, the outer wall of one side of the shunting control box is arranged on the outer wall of one side of the water storage tank; a Y-shaped shunt is arranged on the inner wall of one side of the shunt control box; a large-diameter pipeline is arranged on the outer wall of one side of the Y-shaped flow divider; a small-diameter pipeline is arranged on the outer wall of the other side of the Y-shaped flow divider; the inner wall of the other side of the flow dividing control box is movably connected with a small-impulse circular plate and a large-impulse circular plate. According to the design, the Y-shaped flow divider, the small-diameter pipeline, the large-diameter pipeline, the impulse disc and the holes are arranged, pumped water is divided through the Y-shaped flow divider, the