Abstract: Provided are an elderly chair support and an elderly chair.

Abstract: A seat bracket includes a base mechanism, an electric motor, a transmission mechanism, and a telescopic mechanism, where the transmission mechanism includes a transmission piece, a transmission rod, and a link, the transmission piece and the transmission rod are rotatably connected through the link, the transmission piece is rotatably connected to the telescopic mechanism, the transmission rod is rotatably connected to the base mechanism, the electric motor, an output end of the electric motor is connected to the transmission rod, and the electric motor is configured to drive the transmission rod to cause the transmission rod to drive the transmission piece and the link to rotate so that the telescopic mechanism extends or retracts.

Abstract: A seat frame includes a base, a driving member and a stretching member. The driving member and the stretching member are disposed on the base. The stretching member includes backrest assemblies, cushion support assemblies and leg rest plate assemblies which are positioned on left and right sides of the base and set in pairs. A front end and a rear end of the cushion support assembly are hinged with one end of the backrest assembly and one end of the leg rest plate assembly respectively. When the seat frame is in a television (TV) posture and a lying posture, and the leg rest plate frame is inclined upward with respect to a horizontal plane.

Abstract: A sofa (1) having adjustable backrest position, and including a seat frame (10), a backrest frame (20), a guide-rail frame (30) and a driving device (40); the guide-rail frame (30) includes a guide-rail (300) which is fixedly connected to the seat frame (10) and which extends in the front-back direction of the sofa (1); a first end of a support frame (50) is connected to the backrest frame (20); a second end of the support frame (50) is connected to the guide-rail (300) so as to be able so slide relative thereto; the driving device (40) is arranged so as to be linked-motion connected to the support frame (50) in order to lead the second end of the support frame (50) to slide relative to the guide-rail (300).

Abstract: A sofa (1) having adjustable backrest position, and including a seat frame (10), a backrest frame (20), a guide-rail frame (30) and a driving device (40); the guide-rail frame (30) includes a guide-rail (300) which is fixedly connected to the seat frame (10) and which extends in the front-back direction of the sofa (1); a first end of a support frame (50) is connected to the backrest frame (20); a second end of the support frame (50) is connected to the guide-rail (300) so as to be able so slide relative thereto; the driving device (40) is arranged so as to be linked-motion connected to the support frame (50) in order to lead the second end of the support frame (50) to slide relative to the guide-rail (300).