Transportation protection device for contrast legend

The utility model belongs to the technical field of business English translation related tools, and particularly relates to a transportation protection device for contrast legend, which comprises a storage box, partition plates are fixedly connected between the tops and the bottoms of the inner walls of the left end and the right end of the storage box, the outer walls of the partition plates are provided with sliding grooves, and the inner walls of the sliding grooves are slidably connected with sliding blocks. An extrusion plate is fixedly connected between the inner sides of the sliding blocks, linkage plates are fixedly connected to the sliding blocks at the left and right ends of the extrusion plate, internal threaded blocks are fixedly connected to the tops of the upper surfaces of the linkage plates, rotating holes are formed in the tops of the left and right sides of the upper surface of the storage box, and threaded rods are rotationally connected to the inner walls of the rotating holes. According t