It introduces a new type of household multi-function fitness equipment based on the knowledge of mechanical principle and ergonomics.The fitness equipment is mainly composed of main frame,folding fitness chair,butterfly arm mechanism,and stepping machine.It uses the same barbell component as the resistance source of multiple fitness functions,and designs the corresponding innovation mechanism to realize multiple fitness functions,arranges the square hole card slot structure on the main frame.Based on the plane linkage mechanism principle conversion,it designs the butterfly arm mechanism and th...
