This creation is about a main support structure of Walker.Especially the main support structure installed on the walker,The main support includes: two exhibition and closing frame,One hanger rod,A reinforcing rod；The retractable frame is composed of the first strut.Second strut,Bottom barUpper pivot adapter,It is composed of a bottom pivot joint base and an expansion support.The first strut,The second supporting rod system is pivoted in parallel between the upper pivoting seat and the bottom pivoting seat.The front end of the bottom bar is fixedly connected to the bottom pivot seat.One end of the telescopic support is pivoted on the second support rod.And the other end is pivoted on the rear end of the bottom bar.The hanger rod and reinforcing rod system are in the shape of u3107.The two side ends of the hanger rod are respectively fixed on the pivoting seat on the two unfolding frame.The two side ends of the reinforcing bar are respectively fixed on the first strut of the second extension and retraction frame.Because of the support of hanger rod and reinforcing rod,So that the two exhibition frames can stand stably.By means of the telescopic push support of the telescopic support,So that the first support rod and the second support rod can be extended or closed.To facilitate the use of walking aids.本創作係有關一種助行器主支架結構，該尤指裝設於助行器上之主支架結構，該主支架包含有：二展收架、一吊架桿、一補強桿；該展收架係由第一支撐桿、第二支撐桿、底桿、上樞接座、底樞接座及伸縮支撐器所組成，該第一支撐桿、第二支撐桿係以平行狀樞接於上樞接座與底樞接座之間，該底桿之前端係固接於底樞接座，而伸縮支撐器之一端樞接於第二支撐桿上，而另一端則樞接於底桿之後端上，吊架桿及補強桿係呈ㄇ形，該吊架桿之二側端係分別固設於二展收架之上樞接座上，而補強桿之二側端則分別固設於二展收架之第一支撐桿上，因吊架桿及補強桿之撐持，使二展收架得以穩固地站立，藉由伸縮支撐器之伸縮推撐，使第一支撐桿及第二支撐桿得以做展升或收合動作，以達助行器展收使用之便利性者。
