Rehabilitation device used for training wrist joint to bend and stretch

The invention provides a rehabilitation device used for training a wrist joint to bend and stretch, belongs to the technical field of rehabilitation aids, and relates to a rehabilitation device aimed at joint rehabilitation of a hemiplegic patient. According to the rehabilitation device used for training the wrist joint to bend and stretch, a magnetic powder clutch is used as a damper of mechanism motion, and the magnitude of current of the magnetic powder clutch is controlled so as to achieve different assistance functions. The rehabilitation device is further provided with a left hand supporting plate and a right hand supporting plate, the left hand supporting plate and the right hand supporting plate are rapidly dismounted from or mounted on a main shaft, and a liquid crystal display is embedded above a machine box. The rehabilitation device can be used by patients at different rehabilitation stages for recovering wrist joint muscle force and restraining spasm, can record rehabilitation conditions of the patients, can adopt corresponding rehabilitation therapy modes aiming at different rehabilitation degrees of the patient, has a passive working mode, an assistance working mode and a resistance working mode, and can effectively train functions of main muscle groups of a forearm. The rehabilitation device is simple in structure, novel in design, and safe and reliable.