A kind of seat synchronous folding mechanism structure of stair lifting chair of what is closed in the utility model system,Main system include a seat body,Single-revolution seat group,One connection rod set,One foot-operated group and a lifting push rod； The seat body system includes the seat portion above a body and the setting what body,The revolving bed system can be rotatably set the what body,And the front of the position what seat portion,The connecting rod system connects the bottom of the what revolving bed group with one end,And the foot-operated group is connected to the other end,The what internal body is arranged in the lifting push rod system,And with the bottom of one end connection what revolving bed group； The utility model system pushes up the revolving bed group,Drive the foot-operated group folding simultaneously by the connection rod set,Without gradation folding,It is extremely practical and convenient.本新型係關於一種樓梯升降椅之座椅同步收折結構，主要係包括一座椅本體、一迴轉座組、一連桿組、一腳踏組及一升降推棒；該座椅本體係包括有一機體及一設置於該機體上方的座椅部，該迴轉座組係可轉動地設置於該機體，並位於該座椅部之前方，該連桿組係以一端連接於該迴轉座組的底部，並以另一端連接至該腳踏組，該升降推棒係設置於該機體內部，並以一端連接於該迴轉座組的底部；本新型係向上推動該迴轉座組，藉由該連桿組同時帶動該腳踏組收折，無需分次收折，極為實用方便。
