CONNECTING STRUCTURE BETWEEN FEET AND CENTRAL MEMBER, FEET, CENTRAL MEMBER, CHASSIS AND CHAIR

摘要

The present disclosure relates to a connecting structure for connecting support feet and a center piece, a support foot, a center piece, a chassis and a seat, and belongs to the technical field of seat connection structures. The connecting structure for connecting support feet and a center piece includes: center piece connecting portions provided on the outer periphery of the center piece for connecting with the support feet; support foot connecting portions provided on one end of the support feet for connecting with the center piece. Two side walls of each of the center piece connecting portions are further provided with rotation limit grooves, with a clamping platform arranged inside; two side surfaces of the support foot connecting portion are respectively provided with rotation limit protrusions outwardly protruding, an abutting portion is provided on the lower surface. The connecting structure for connecting support feet and the center piece is stable in force, and no stress point with weak strength exists, such that the corresponding chassis and seat have reliable performance and long service life.