Inner clamping structure, forming method of inner clamping structure and packaging box

The invention relates to the technical field of packaging, in particular to an inner clamping structure, a forming method of the inner clamping structure and a packaging box. The inner clamping structure comprises a first inner clamp, the first inner clamp comprises a containing part, a limiting part and a first abutting block, and the containing part is used for bearing packaged objects; the limiting part is arranged at the peripheral side of the placing part in a surrounding manner; and the first abutting block is rotationally connected with the limiting part, and the bottom face of the first abutting block can abut against the top faces of the packaged objects. The inner clamping structure is simple in structure, can adapt to the different packaged objects, effectively prevents the packaged objects from being damaged, and allows the packaged objects to be very conveniently packages and taken out . 本发明涉及包装技术领域，尤其涉及一种内卡结构、内卡结构的成型方法及包装箱。所述内卡结构包括第一内卡，所述第一内卡包括放置部、限位部和第一抵接块，所述放置部用以承载被包装物；所述限位部围设在所述放置部周侧；所述第一抵接块与