Rack telescopic type knuckle rehabilitation training device for old people

The invention relates to the technical field of knuckle rehabilitation, and discloses a rack telescopic type knuckle rehabilitation training device for old people. The rack telescopic type knuckle rehabilitation training device comprises a wrist supporting sleeve plate, a rack, an upright rod and a five-finger pull rod, wherein the wrist supporting sleeve plate is internally provided with the rackin meshed connection with a starter gear, the other end of the rack is provided with the vertical upright rod, the upper end of the upright rod is in hinged connection with the five-finger pull rod by means of a connecting rod, and the five-finger pull rod is in slipknot connection with finger rings by means of pulling ropes. According to the rack telescopic type knuckle rehabilitation training device, the starter gear fixed on the wrist supporting sleeve plate rotates to drive the upright rod fixed on the rack, the five-finger pull rod and the finger rings to move, so that fingers contractedin circles extend and str