Upper-limbs rehabilitation exerciser

The utility model relates to a limb recovery training trainer, especially an upper limb recovery training trainer. The utility model comprises a fixed axle sleeve, two cranks and a plurality of planet gear shafts. The utility model is characterized in that the fixed axle sleeve is provided with two L shaped cranks, the two cranks are corresponding provided with three groups of the planet gear shaft holes, the planet gear shaft holes are movable provided with the planet gear shafts, the planet gear shafts are provided with a plurality of planet gear shaft sleeves, and the outer surface of the planet gear shaft sleeves is uniformly provided with a plurality of bulges. The utility model can be used for upper limb recovery training; a health side limb makes initiative movement, at the same time, driving the upper limb which activity is limited makes passivity movement training to advance blood circulation, which is beneficial to limb recovery. The utility model has simple structure, low cost and installation is c