Patent attributes
The present disclosure relates to a folding chair framework, including a connecting seat, a guide rod, a guide sleeve, several chair legs, several supporting rods, several connecting rods, a first spring, a second spring, and wedge-shaped blocks; upper ends of the chair legs are all hinged with the connecting seat; the guide rod is vertically arranged and connected to the connecting seat; the guide sleeve is slidably connected to the guide rod; each connecting rod is hinged with the guide sleeve and one chair leg respectively; upper and lower ends of the first spring are respectively connected to the connecting seat and the guide sleeve; the wedge-shaped blocks are slidably connected into first grooves of the guide rod; two ends of the second spring are respectively connected to the first grooves and the wedge-shaped blocks; the guide sleeve includes an inner sleeve and an outer sleeve.
