Paper-plastic composite combined type e-commerce express box structure

The utility model relates to a paper-plastic composite combined type e-commerce express box structure. The packaging box comprises a paper box body and a plastic reinforced keel, the paper box body isof a closed box body structure with a rectangular axial section. The plastic reinforced keel comprises a lining keel and a sheath keel, the lining keel is of a frame structure coaxially distributed with the paper box body and embedded in the paper box body, and the sheath keel wraps the paper box body, is of a frame structure coaxially distributed with the paper box body and comprises a bearing base, a protective top plate and telescopic stand columns. On one hand, the overall structural strength, the compression resistance and the impact resistance of the box body are effectively improved, so that the safety and the reliability of commodity packaging and transferring are greatly improved; and on the other hand, the recycling rate is good, repeated use of the packaging box can be achieved, and therefore the use c