A wheelchair structure device capable of arbitrarily moving rider up and down and left/right translation mainly comprises a wheelchair base, a lifting structure, an armrest structure and a seat back structure. The wheelchair base comprises a support rod, footrests, front wheels and rear wheels. The lifting structure comprises a lower frame, an upper frame, a bracket, a telescopic rod, an ascending pedal and a cushion. The armrest structure comprises a fixed rod, a first armrest frame, a second armrest frame, sliding wheels, a locking member and a pivotal fixing member. The seat back structure comprises a connecting rod, a push rod, a descending handle and a knob member. This invention is characterized in that by using the lifting structure and seat back structure, the sitting height and the back support of a rider can be adjusted to an optimum position and by using the armrest structure, the rider can be moved together with the cushion laterally to other area or space, enabling a user to achieve the purpose of moving a disabled person on the wheelchair conveniently and easily depending on site requirement.一種可任意昇降及左右平移乘坐者之輪椅結構裝置,主要包含有輪椅基座、升降結構、扶手結構及椅背結構,該輪椅基座包含有支撐桿、腳踩架、前輪以及後輪,該升降結構包含有下框架、上框架、支架、伸縮桿、上升踏板以及坐墊,該扶手結構包含有固定桿、第一扶手架、第二扶手架、滑動輪、卡掣構件及樞紐固定件,該椅背結構包含有連桿、推桿以、下降把手及旋鈕構件;本發明特徵在於利用升降結構及椅背結構,將乘坐者的乘坐高度及背部的支撐性調整至最適當位置,以及利用扶手結構連同坐墊將乘坐者進行橫向的移動至其他區域或空間處,讓使用者可依場地需求,達到可方便、輕易地移動輪椅上行動不便之乘坐者為目的者。1‧‧‧輪椅基座101‧‧‧支撐桿1011‧‧‧插置槽1012‧‧‧卡掣孔102‧‧‧腳踩架103‧‧‧前輪104‧‧‧後輪105‧‧‧圓桿1051‧‧‧壓合塊2‧‧‧升降結構201‧‧‧下框架2011‧‧‧滑軌202‧‧‧上框架2021‧‧‧滑軌2022‧‧‧限位部203‧‧‧支架2031‧‧‧X型撐架2032‧‧‧樞軸2033‧‧‧固定端2034‧‧‧滾輪204‧‧‧伸縮桿205‧‧‧上升踏板2051‧‧‧管路206‧‧‧坐墊2061‧‧‧拉環3‧‧‧扶手結構301‧‧‧固定桿302‧‧‧第一扶手架3021‧‧‧嵌固孔303‧‧‧第二扶手架304‧‧‧滑動輪305‧‧‧卡掣構件3051‧‧‧凸塊3052‧‧‧彈性元件3053‧‧‧墊片3054‧‧‧拉桿頭306‧‧‧樞紐固定件4‧‧‧椅背結構401‧‧‧連桿402‧‧‧推桿403‧‧‧下降把手4031‧‧‧管路404‧‧‧旋鈕構件406‧‧‧撥片
