Chest wound protection device

The chest wound protection device comprises a shell and a pressure applying assembly, a movable opening is formed in the rear side of the shell, an abutting pad covers the outer side of the movable opening, elastic plate bodies are rotationally connected to the two sides of the movable opening, and torsional springs are installed at the connecting ends of the elastic plate bodies and the movable opening; the other ends of the two elastic plate bodies extend towards each other and are staggered to form an overlapping area, the space between the elastic plate bodies and the abutting pad is filled with a pad core, and fixing belt bodies are arranged on the two sides of the shell. The pressing assembly comprises a motor and a rotating shaft, the rotating shaft is rotationally connected into the shell and located on the side, away from the abutting pad, of the overlapping area of the two elastic plate bodies, a cam is arranged on the rotating shaft and abuts against the adjacent elastic plate body, the motor is in