Quickly opened and closed check gate

The utility model provides a fast opening and closing check gate, and particularly relates to the technical field of weak current tools. The fast opening and closing check gate comprises a gate plate, a filling piece and a hydraulic telescopic rod, and is characterized in that the gate plate comprises a plate body, a plurality of groups of drainage grooves are formed in the surface of the plate body, the filling piece is embedded into the gate plate, the filling piece is embedded into the drainage grooves and is rotationally connected with the gate plate, and the drainage grooves can be opened and closed by rotating the filling piece; the filling piece is connected with the gate plate through a hydraulic telescopic rod, and the hydraulic telescopic rod stretches out and draws back to drive the filling piece to rotate. The speed of opening and closing the drainage groove through the filling piece is high, during closure, the drainage groove is opened, then the flashboard falls down and is closed, and the closi