Explosion-proof device for liquid crystal screen

The utility model relates to the technical field of liquid crystal screen explosion prevention, in particular to a liquid crystal screen explosion-proof device which comprises a display screen and a protection frame arranged on the outer side of the display screen, the display screen comprises an explosion-proof film, a liquid crystal screen and a backlight source, a fixing frame is arranged on the outer side of the display screen, and a supporting frame is arranged on the outer side of the fixing frame. A spring piece is arranged between the fixing frame and the supporting frame, a shell is arranged on the outer side of the supporting frame, a mounting base is arranged on the inner side of the shell, and the supporting frame is connected with the mounting base through screws. The display screen is properly supported through the spring piece, the fixing stability of the display screen is improved, shaking is avoided, meanwhile, the moving position is limited through the fixing frame, and it is guaranteed that