The invention relates to a foot stand device of an auxiliary chair.The side stand of the foot stand device is respectively provided with a front foot bar and a rear foot bar.The bottom ends of the front foot bar and the rear foot bar are pivoted with casters.And a cross bottom bar is arranged between the front foot bar and the rear foot bar.In front of the bottom bar,There are front holes and back holes at the rear.And the front foot pole and the rear foot pole are respectively provided with straight penetration.And each of them is locked by a threading element.And the front end of the bottom bar,The rear end has a front slot hole.Back slot；Accordingly,By means of the transverse bottom bar, the front foot bar and the rear foot bar are directly connected.In order to increase the strength of its assembly,In order to avoid bending of the front foot bar and the rear foot bar,The front slot hole of the cross bottom bar is also used.The rear slot hole can be directly connected with the front pedal.Rear poleThe utility model has the advantages of simplifying the components.本創作係一種輔具椅之腳架裝置，係指腳架裝置的側腳架分別具有前腳桿及後腳桿，前腳桿及後腳桿的底端各樞接腳輪，且前腳桿及後腳桿之間設置有橫底桿，而橫底桿的前、後方各具有前孔及後孔，且分別供前腳桿及後腳桿直向穿設，且各由穿組元件鎖結，又橫底桿的前端、後端具有前槽孔、後槽孔；據此，藉由橫底桿係由前腳桿及後腳桿直向穿設的組接結構，以俾增其組接強度，以避免前腳桿及後腳桿產生彎折的情形，又利用橫底桿的前槽孔、後槽孔而可直接樞接前踏板、後桿，更具有簡化構件的功效增進處。
