| 摘要 |
PURPOSE: An underwater running machine is provided, which is used for an exerciser with weak joint to exercise to reduce the load to the joint and muscle, and can also be used as a common running machine after water is discharged. CONSTITUTION: The underwater running machine comprises a bottom plate; a lower body(10) comprising two hole that a hose connecting a water pump penetrates through; a middle body(30) comprising two hole that a hose connecting a water pump penetrates through; an inner body(40) fixed to the middle body; a water pump(20) fixed onto the bottom plate, a nozzle(23) placed in front and rear of the inner body, and a hose(21, 22) connecting the nozzle and the water pump; a packing preventing the water leakage at the bottom gap between the inner body and the middle body; a water discharge stopper(300); a pipe connector(301) fixed on the bottom of the lower body; a water discharge hose(303) connected with the pipe connector; a front and rear two axes(80, 80a) penetrating the wall of the inner body, and two rollers(81, 81a) welded onto the axes; a rubber packing and a bearing supporting the axes, a snap ring maintaining the position of the axes, and a bearing cover supporting the bearing; a bevel gear(82) assembled to the front axis; an upper body(100); a velocity reduction motor(90); another bevel gear(94) geared in the bevel gear(82); a perpendicular axis(93) where the another bevel gear is assembled; an axis supporter(50); a coupling(92) connecting the another axis and the axis of the motor; a rubber belt(60); a plurality of rods(71); a roller frame(70); and two hand rails(110).
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