Seat frame

Abstract

The novel seat framework relates to a seat framework, which comprises a bottom frame, side plates arranged above the left and right sides of the bottom frame respectively, top support rods arranged above the side plates, foot plate telescopic assemblies and backrest assemblies arranged on the top support rods, front rocker arms movably connected to the front sides of the side plates, connecting rods movably connected to the top of the front rocker arms, rear rocker arms movably connected to the tail end of the connecting rods, the rear rocker arms being rotatably arranged on the side plates, drive rods movably connected to the bottom of the rear rocker arms, the front end of the drive rods being connected to the foot plate telescopic assemblies, a fixed rod arranged between the front rocker arms of the left and right sides, a first electric push rod arranged between the rear side frame of the bottom frame and the fixed rod, a connecting rod arranged between the front end of the left and right side plates, a second electric push rod movably connected to the connecting rod, a cross rod movably connected to the tail end of the second electric push rod, and the two ends of the cross rod being connected to the backrest assemblies of the left and right sides respectively; the seat framework has simple structure and low cost.

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