This creation is a kind of auxiliary wheel seat structure of related wheelchair of what,The two sides of the auxiliary wheel seat system what substrate are pivoted with idler wheel,And what substrate is equipped with two opposite wing plates,And two are equipped with a handlebar between wing plate,Multiple two wing plate upper end of what opens up an embeded slot,And each embeded slot is respectively arranged below with two positioning tubes,And a latch held by spring top is equipped in each positioning tube,And limited block links on the outside of latch Hou end system and positioning tube,And be to be linked between the relative positioning cylinder limited block of two wing plates with a tricing line,And take turns be respectively equipped on the chair frame plates of two sides below seat cushion a tool lug fixed link,One long arc slot,And a positioning hole is offered below what long arc slot,Assist wheel seat system by the embeded slot and latch on two wing plates,Be respectively embedded into wheelchair two sides chair frame plate fixed link and long arc slot,Positioning hole,Thereby structure is in order to person on the fast quick-detach of sharp user or assembling auxiliary wheel seat what wheelchair.本創作係有關於一種輪椅之輔助輪座結構，該輔助輪座係於基板之兩側樞設有滾輪，並於基板上設有兩相對之翼板，且兩翼板間設有一把手桿，復於兩翼板上端開設一嵌合槽，且各嵌合槽下方分別設有兩定位筒，而各定位筒內設有一受彈簧頂持之插梢，且插梢後端係與定位筒外側限位塊連結，而兩翼板之相對定位筒限位塊間係以一控制繩連結，而輪椅座墊下方兩側之椅架板上分別設有一具凸耳之固定桿、一長弧槽，並於長弧槽下方開設有一定位孔，輔助輪座係藉兩翼板上之嵌合槽及插梢，分別嵌入輪椅兩側椅架板之固定桿及長弧槽、定位孔內，藉此結構俾利使用者快速拆卸或組裝輔助輪座於輪椅上者。
