Rainproof display screen box convenient for outdoor installation

The utility model discloses a rainproof display screen box convenient for outdoor installation, which comprises a display screen box body, a support table assembly fixedly arranged on the bottom surface of the display screen box body and a telescopic hoisting structure arranged on the top surface of the display screen box body, the telescopic hoisting structure comprises a mounting limiting plate fixedly mounted on the top face of the display screen box body and a mounting box fixedly arranged on the bottom face of the mounting limiting plate, the mounting box is embedded in the top face of the display screen box body, and a hoisting stretching rod used for hoisting is longitudinally connected to the top face of the mounting limiting plate in an inserted mode. The lifting stretching rod penetrates into an inner cavity of the mounting box and is connected with a lifting component, a rainproof shield is fixedly arranged on the side face of the display screen box body, and the lifting stretching rod is of an E-s