The present invention is about folding wheelchair and stand-assisted chair which helping old man or disabled man to stand up and sit down. It includes a pair of side frames11 12, cross links13 connected to the two side frames, a folding chair20 connected to the cross links on the folding wheelchair10. The chair20 of the folding wheelchair10 is consisted of a right-ahead sitting portion21, a left-ahead sitting portion22, a right-behind sitting portion23, and a left-behind sitting portion24. The trailing edge of the right-ahead sitting portion and the left-ahead sitting portion are connected to the right-behind sitting portion and the left-behind sitting portion on shakable state by a first horizontal axisX1 the front of the right-ahead sitting portion and the left-ahead sitting portion are connected to the cross-links on shakable state by a second horizontal axisX2 the left side edge of the right-ahead sitting portion and the left-ahead sitting portion are connected to the right-behind sitting portion and the left-behind sitting portion on shakable state by a first vertical axisY1 the right-behind sitting portion and the left-behind sitting portion are connected to the cross-links by a string unit30.本發明提供一折疊式輪椅及起立輔助座席,可安全支援老年人或身障者等起立及就座動作,折疊式輪椅10中係具有一對側面框11、12,連結兩側面框之交叉連桿13,連結於交叉連桿上部之可折疊座席20,該折疊式輪椅10中,座席20係由右前座部21、左前座部22、右後座部23及左後座部24構成,右前座部及左前座部,於後緣藉由第一橫向軸X1於可搖動狀態下連結於右後座部及左後座部,且於前部藉由第二橫向軸X2於可搖動狀態下連結於交叉連桿,右前座部及右後座部,於左側緣藉由第一前後方向軸Y1於可搖動狀態下連結於左前座部及左後座部,右後座部及左後座部,係藉由彈性零件30連結於交叉連桿。10‧‧‧折疊式輪椅11、12‧‧‧側面框11a、12a‧‧‧車輪11b、12b‧‧‧腳輪11c、12c‧‧‧推把11d、12d‧‧‧扶手部11e、12e‧‧‧腳踏板11f‧‧‧靠背11h、12h‧‧‧車軸13‧‧‧交叉連桿13a、13b‧‧‧連結零件20‧‧‧座席21a、22a‧‧‧軸承28a、28b‧‧‧旋轉零件30‧‧‧彈性零件31c‧‧‧制動機關31d‧‧‧鋼絲34、35‧‧‧安裝零件37a、37b‧‧‧連結零件
