You can easily install a cushion on the wheelchair with easy work, and install various types of cushions at low prices.Solution 1 the structure 1 inserts the cap 2, a pair of pair of desorption shafts 3 and 3 to hold the cap 2, a pair of tubular members 4 and 4 which can be detachably removed from the desorption shafts 3, 3, and a pair of support shafts 102 and 102 and a pair of tubular members 4, 4 constituting a back rest portion of the wheelchair A pair of fixed metal fittings 5, 5 having a shape in which a part of the tube or tube is cut away, and a fastening member 6 capable of fixing the support shafts 102, 102 and tubular members 4, 4 to the fixing metal fitting 5, 5 are possibleA surface fastener 7 is provided on the surface fasteners 7 and 7 with a face fastener 7.Diagram【課題】簡単な作業で車椅子にクッションを取り付けることができ、しかも、車椅子に様々なタイプのクッションを低価格で装着する。【解決手段】構造1は、帽子2と、帽子2を被せる一対の脱着軸3,3と、脱着軸3,3を挿脱可能な一対の管状部材4,4と、車椅子100の背凭れ部を構成する一対の支持軸102,102及び一対の管状部材4,4のそれぞれを、空隙に貫挿させることができる、管又は管の一部が切り欠かれた形状の一対の固定金具5,5と、支持軸102,102及び管状部材4,4を、固定金具5,5に固定できる緊締部材6,6と、を備え、帽子2の表面に面ファスナー7,7を備え、面ファスナー7,7にクッションの面ファスナーを装着する。【選択図】図2