Installation device suitable for outdoor thin display screen

The utility model belongs to the technical field of display screen installation, and provides an installation device suitable for an outdoor thin display screen. Comprising a pair of first mounting parts, a pair of second mounting parts and a front cover plate, the first mounting part comprises a plurality of first mounting pieces, and each first mounting piece is provided with a first inserting groove, a second inserting groove and a fixing groove; the second mounting part comprises a plurality of second mounting pieces, and each second mounting piece is provided with a third slot and a fourth slot; wherein the widths of the first slot and the third slot are equal to the thickness of a to-be-mounted display screen module frame, and the widths of the second slot and the fourth slot are equal to the thickness of the front cover plate; the distance between the first slot and the second slot and the distance between the third slot and the fourth slot are not smaller than the thickness of a display screen to be i