Hinge structure and packaging box

The utility model relates to the technical field of hinges, and particularly discloses a hinge structure which is simple in structure and capable of limiting a corner, the hinge structure comprises a first connecting piece and a second connecting piece, an inserting groove is formed in the first connecting piece, and a rotating shaft matched with the inserting groove is arranged on the second connecting piece. The second connecting piece rotates relative to the first connecting piece when the rotating shaft is inserted into the slot and is subjected to external force; a limiting groove is formed in the inner wall of the inserting groove, the outer surface of the rotating shaft protrudes to form a clamping strip, and the clamping strip is embedded into the limiting groove when the rotating shaft is inserted into the inserting groove and rotates relative to the first connecting piece so as to limit the relative rotating angle between the first connecting piece and the second connecting piece. The utility model