Projector placing seat capable of preventing people from being injured by falling

The utility model relates to the technical field of projector placing seats, in particular to a projector placing seat capable of preventing people from being hurt by falling, which comprises a placing frame and a placing cavity, the placing cavity is arranged in the placing frame, a hanging connection structure is arranged on the side edge of the outer wall of the placing frame, the hanging connection structure comprises an installation hanging ring, and the installation hanging ring is fixed on the top of the side wall of the placing frame. The side edge of the installation lifting ring is sleeved with an installation lifting hook, the installation lifting hook is connected to the middle of a multi-stage lifting chain in a hooked mode, a lifting structure is arranged at the top of the containing frame, the upper end of the multi-stage lifting chain is fixed to the lower surface of a side edge lifting plate, and an assembly hole and a bolt are arranged in the side edge lifting plate. And the mounting lifting