Waterproof drainage device capable of being folded and stored

The utility model relates to the technical field of hydraulic engineering, and discloses a waterproof drainage device capable of being folded and stored, which comprises a filter screen, an upper frame is arranged at the upper end of the filter screen, a lower frame is arranged at the lower end of the filter screen, and hinges are fixedly connected to two ends of the lower side of the upper frame. The other ends of the hinges are fixedly connected with the two ends of the upper side of the lower frame, locking assemblies are rotationally connected to the two sides of the upper end of the lower frame, locking holes are formed in the two sides of the lower end of the upper frame, the locking assemblies are matched with the locking holes, and adjusting assemblies are arranged in the upper frame and the lower frame; according to the novel waterproof drainage device capable of being folded and stored, the upper frame and the lower frame are arranged, an original frame body can be folded in half through the upper f