This creation is a kind of armrest seat structural improvement of related wheelchair of what,A link plate is set on the armrest seat system what handrail block,And link plate tail end system's continuous bend is in S shape,Make link plate tail end that there is pivoted hole and location hole,And pivoted hole and location hole are respectively provided with the first open slot and the second open slot,And the two sides back rest of wheelchair is equipped with a pivoted pole and locating rod,And pivoted pole and locating rod top extend radially outwardly fastening part,It is the pivoted pole that armrest seat is embedded in back rest with the first open slot,In the pivoted hole for making pivoted pole insertion armrest seat,And rotate armrest seat forward,And then make the locating rod of the second open slot insertion back rest of armrest seat,And locating rod will be embedded in the positioning hole of armrest seat,Thereby structure in order to the fast quick-detach of sharp user or assembles the armrest seat person of this creation.本創作係有關於一種輪椅之扶手座結構改良,該扶手座係於扶手塊上設置一連結板,而連結板尾端係連續彎曲呈S狀,使連結板尾端具有樞接孔及定位孔,且樞接孔及定位孔分別具有第一開口槽及第二開口槽,而輪椅之兩側靠背架上設有一樞接桿及定位桿,且樞接桿及定位桿頂端徑向向外延伸有卡制部,其係將扶手座以第一開口槽嵌入靠背架之樞接桿,使樞接桿嵌入扶手座之樞接孔內,並以樞接桿及樞接孔為中心使扶手座向前旋轉,進而使扶手座之第二開口槽嵌入靠背架之定位桿,而定位桿將嵌入扶手座之定位孔內,藉此結構俾利使用者快速拆卸或組裝本創作之扶手座者。