Marine high-density cabin door

The utility model relates to the technical field of ship cabin door fixing, in particular to a marine high-density cabin door which is provided with a cabin door body and a door handle, a cabin door linkage locking mechanism is arranged in the cabin door body and comprises linkage flat steel, a linkage rod, a locking rod and a driving rod, and a driving assembly is arranged on the linkage flat steel in the middle of the cabin door body. One end of the driving assembly is connected with the linkage flat steel, the other end of the driving assembly extends out of the cabin door body through a through hole formed in the cabin door body to be fixedly connected with a door handle, an outer clamping base with an opening facing the door handle is arranged above the through hole of the cabin door body, and the outer clamping base is fixed to the cabin door body through a supporting plate. The device has the advantages of simple structure, convenience in use, stable door opening and closing, capability of ensuring wea