Upper and lower limb fitness training device with adjustable extensive scope

The present invention discloses an apparatus for training the lower limbs healthy wide range of adjustable amplitude, comprising: a crank, a first link, second link, joined to the frame bar, rack, support; crank end with the frame hinge is formed swivel joint, the other end of the first link articulated with the head end of the sub-rotated form, the end of the first link and the second link form a first end rotatably hinged sub, the first end of the second link connected with an end of the rack bar swivel joint hinge is formed, the end of the side link with the sub-chassis rotatable hinge formed; supported on the worm wheel fixedly connected to the worm gear, the worm gear is articulated on the slide guideway, by mounting the slider guide sub auxiliary drive coil on the first link or the second link. And a connecting rod driven by a crank on the chassis frame power mechanism. The present invention is simple and compact structure, wide application range, can be grafted onto other rehabilitation and exercise equipment, can be applied to the upper / lower limb rehabilitation training and fitness equipment.