Buckle formula fixed connector and join in marriage chair that is equipped with this fixed connector

The utility model discloses a buckle formula fixed connector, including buckle base and buckle spare, the buckle base is fixed to be set up on the bottom surface of seat support, buckle spare lock is connected on the buckle base just form between buckle spare and the buckle base one with the pore of the diameter looks adaptation of the tubulose support body of chair frame. The chair of installing foretell buckle formula fixed connector is still disclosed. The utility model has the advantages of utilize the utility model discloses a buckle formula fixed connector fixes chair frame on the seat support bottom surface, need not to use screw accessory and instrument, only need the hand push alright realize independent quick installation, simple and convenient, the structure is reliable.