This creation system provides a kind of structural improvement of Wheelchair support,It is direct solid welding what connecting piece of the first faying face system by the first support,And direct solid welding what joined assemblies of the second faying face system of the second support,It is multiple further to enable opposite what connecting piece Hou that is pivoted of the joined assemblies,The fastening hole of the what connecting piece is positioned by the flexible buckle of control of the fastening pin and the pulling piece again,In order to can solve known respectively connecting piece still need to extend vehicle connecting end Hou be arranged bracket,Hou is arranged to still need to be fixed disadvantage each other by pin member,And then this creation is made to can reach the practical improvement person for reducing processing procedure and cost.本創作係提供一種輪椅支架之結構改良，其係藉由該第一支架之該第一結合面係直接焊固於該連結件，且該第二支架之該第二結合面係直接焊固於該連組件，復進一步令該連組件相對樞設於該連結件後，再藉由該扣合銷及該扳動件之控制伸縮嵌扣定位於該連結件之該扣合孔，俾可解決習知之各該連結件仍需延伸車製連結端後套設支架，套設後仍需藉由銷件來加以固定彼此之缺點，進而使本創作可達到降低製程及成本之實用進步性者。
