A wheelchair is disclosed. Two ends of each of the seat connection tubes are connected with the seat frame and the corresponding side frame. The seat frame and the seat connection tubes are telescopic by the combination of button units and holes. Two ends of each of the front connection tubes are connected with the front tube and the corresponding side frame. The front tube and the front connection tubes are telescopic by the combination of button units and holes. Two ends of each of the rear connection tubes are connected with the rear tube and the corresponding side frame. The rear tube and the rear connection tubes are telescopic by the combination of button units and holes. Each of the back connection tubes are connected with the back unit and the corresponding supporting frame. The back unit and the back connection tubes are telescopic by the screws.本創作係揭露一種輪椅。各座墊連接管之兩端係分別與座墊架與對應之側架連接。座墊架與座墊連接管係藉由複數按壓單元與複數調節孔之組合而可伸縮。各前連接管之兩端係分別與前管與對應之側架連接。前管與前連接管係藉由複數按壓單元與複數調節孔之組合而可伸縮。各後連接管之兩端係分別與後管與對應之側架連接。後管與後連接管係藉由複數按壓單元與複數調節孔之組合而可伸縮。各椅背連接管係分別與椅背單元及對應之支持單元連接。椅背單元與椅背連接管係藉由複數螺鎖件而可伸縮。1‧‧‧輪椅101‧‧‧座墊102‧‧‧便器103、104‧‧‧腳踏11、12‧‧‧側架13、14‧‧‧輪體15、16‧‧‧前輪30‧‧‧伸縮前補強管組51、52‧‧‧支持單元53‧‧‧扶手管60‧‧‧伸縮椅背組B‧‧‧按壓鈕
