Public vehicle that keeps off device and use device is enclosed in breast -feed

The utility model relates to a public vehicle that keeps off device and use device is enclosed in breast -feed. Wherein the breast -feed encloses and keeps off the device including being used for enclosing into the check apron in breast -feed space and the check apron mount pad that is used for hanging the check apron, and the check apron has topside and base, the topside is fixed on the check apron mount pad, and the base is connected with vertical traction mechanism, and the check apron has the state of packing up and the downward fender state that encloses that expandes that upwards piles up under vertical traction mechanism's tractive, perhaps the check apron has the side of connection between topside and base, is equipped with the check apron guide rail on the check apron mount pad, has evenly arranged the slider on the check apron guide rail, and the topside is fixed on each slider so that the check apron has the state of packing up that piles up and launches on the horizontal direction on the horizonta