Detachable chair back structure, chair frame structure and chair

The utility model relates to the technical field of office furniture, in particular to a detachable chair back structure, a chair frame structure and a chair, according to the detachable chair back structure, a waist bag main body is rotatably connected with a back frame main body, so that the waist bag main body can support the waist more flexibly, and in addition, through the arrangement of a self-resetting rotary connecting piece, the back frame main body can be conveniently and rapidly supported. The waist bag main body can be automatically reset, and the practicability of the waist bag is improved. Based on the advantages of the detachable chair back structure, the utility model further provides a chair frame structure and a chair with the detachable chair back structure, so as to solve the problems of poor comfort and flexibility in the prior art. 本实用新型涉及办公家具技术领域，具体涉及一种可拆装椅背结构、椅架结构及座椅，其中，所述可拆装椅背结构通过将腰包主体与背框主体转动连接，使得该腰包主体对腰部的支撑更加灵活，此外，通过自复位转动连接件的设置，使得该腰包主体能够实现自动复位，提高了其实用性。基于上述可拆卸椅背结构的优点，本实用新型还进一步提供了带有上述可