Improved ship protective door structure

The utility model provides an improved ship protective door structure which comprises a bulkhead, a side hung door, a plurality of fixing blocks, a plurality of clamping plates and a driving device, the side hung door is installed on the bulkhead, the opening direction of the side hung door faces the interior of a cabin, and every two fixing blocks form a group and are fixedly connected to the bulkhead. The fixing blocks are located on the two sides of the vertical hinged door respectively, sliding grooves are formed in the fixing blocks, the clamping plate is horizontally arranged and connected with the fixing blocks in a sliding mode, and the driving device drives the clamping plate to slide and move in the sliding grooves of the fixing blocks. The technical problems that in the prior art, the door closing time is not fast enough, and potential safety hazards exist are solved, and the beneficial effects that a driving device can rapidly penetrate a clamping plate on a fixing block, operation is convenient,