Exercise device and system

Abstract

The invention discloses an exercise device. The exercise device comprises a left supporting leg and a right supporting leg which are symmetrical left and right. An air cylinder is installed on the left side of an I-shaped connecting plate, and a piston rod of the air cylinder is movably connected to a connecting structure on the left side of the lower end of a bottom plate through a pin. An arc-shaped box body is arranged at the upper end of the right side of the bottom plate, and a plurality of sets of massage rotary drums are arranged in the cavity. Two sets of connecting plates are movablyconnected to the right supporting leg through connecting shafts. An air bag is arranged on the inner side of the limiting seat, and a thigh limiting structure located between the two sets of horizontal plates is arranged at the upper end of the bottom plate. Rollers are slidably connected to the arc-shaped sliding grooves in the inner sides of the vertical plates at the upper ends of the left supporting legs. After the air bag is inflated and expanded, the thighs can be extruded and massaged. When a user sits up, a piston rod of the air cylinder stretches out. The bottom plate can rotate withthe connecting shaft as the circle center. The left end of the bottom plate is lifted. The arc-shaped box body is in a high-left and low-right state, and the waist and abdomen strength of the user during sit-up is increased.

Description

technical field [0001] The invention relates to the technical field of exercise devices, in particular to an exercise device and a system. Background technique [0002] Sit-ups are a way to exercise your body. Lie on your back, keep your legs together, use your abdominal muscles to contract, quickly get into a sitting position, continue to bend your upper body forward, touch your feet with your hands, bow your head; then return to a sitting position. And so on continuously. The existing exercise device for sit-ups does not have an adjustment function, so that the user cannot increase the exercise intensity of the waist and abdomen according to his own situation, and the existing exercise device for sit-ups has a single function and cannot be used satisfactorily. For this reason, we An exercise device and system are presented. Contents of the invention [0003] The object of the present invention is to provide an exercise device and system to solve the problems raised in...

AI Technical Summary

Problems solved by technology

The existing exercise device for sit-ups does not have an adjustment function, so that the user cannot increase the exercise intensity of the waist and abdomen according to his own situation, and the existing exercise device for sit-ups has a single function and cannot be used satisfactorily. For this reason, we Introduced an exercise device and system

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