Up and down reciprocation treading leisure exercise apparatus

摘要

An up and down restoration treading leisure exercise apparatus comprises a rack body, a rear wheel shaft gear, a braking component, an unidirectional flywheel, a spindle component, a chain wheel, a driving belt and a transmission belt. The spindle component is disposed to the rack body. The shaft core of the spindle component is provided for mounting the unidirectional flywheel and the chain wheel. The driving belt is circularly disposed to the unidirectional flywheel to provide unidirectional transmission force. When a user downwardly treads the braking component, the branch bar of the braking component will pull the driving belt and enable the unidirectional flywheel and the chain wheel at the same axis to synchronously rotate. The chain wheel drives the rear wheel shaft gear and the rear wheel through the transmission belt.

主权项

1. An up and down restoration treading leisure exercise apparatus comprising:
a rack body, an upper portion and a lower portion in front of the rack body respectively disposed with a handle and a front wheel, a rear end of the rack body disposed with a rear wheel; a rear wheel shaft gear axially disposed to a rear wheel shaft core; a braking component pivoted to the rack body through a branch bar; a spindle component disposed to the rack body, a shaft core of the spindle component disposed with at least connection sleeve; at least an unidirectional flywheel correspondingly disposed to the connection sleeve of the spindle component to provide unidirectional transmission power; a chain wheel disposed to a core of the spindle component; a driving belt circularly disposed to the unidirectional flywheel to allow the branch bar of the braking component to have an acting force of upwardly springing and swinging; and a transmission belt circularly disposed between the chain wheel and the rear wheel shaft gear; when a user end downwardly treading the braking component, the branch bar pulling the driving belt and enabling the unidirectional flywheel and the chain wheel at a same axis to synchronously rotate, the chain wheel driving the rear wheel shaft gear and the rear wheel through the transmission belt; while raising feet of the user end of treading the braking component, the driving belt incorporated with an idle operation of the unidirectional flywheel, the driving belt pulling the branch bar again and enabling the braking component to automatically perform upward swinging motion so as to prepare next treading motion, wherein the spindle component is bottom bracket parts having a bottom tube and a middle tube located inside the bottom tube, and a bottom shaft core is fit inside the middle tube, and two ends of the bottom shaft core are respectively exposed on the bottom tube to form a fastening portion.