Waterproof curtain reinforcing structure

The utility model discloses a waterproof curtain reinforcing structure, and relates to the technical field of waterproof curtains, the waterproof curtain reinforcing structure comprises a main reinforcing plate, an extension reinforcing plate and an angle plate, the extension reinforcing plate is slidably arranged at the top of the main reinforcing plate, the main reinforcing plate and the extension reinforcing plate are both connected with the angle plate through fixing bolts, a driving part is fixedly mounted on the side wall of an inner cavity of the main reinforcing plate, and the driving part is fixedly mounted on the side wall of the inner cavity of the main reinforcing plate. And the output end of the driving part is in threaded connection with a threaded block, the top of the threaded block is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with the extending reinforcing plate, and a sliding part is installed between the main reinforcing plate and the ex