A kind of portable wheel chair,Comprising two chair frames,One seat cushion,Two handrails,One back pad,Two main wheels,Two connecting traction wheels and a gearing fold unit,The chair frame has vertical bar before a seat pillar and one,The preceding vertical bar has one first positioning region,The gearing folds unit and is installed in below seat cushion,And include that an operating stick and two are connected to the interlock plate at the operating stick both ends,The interlock plate have one set what middle section first axle point,One is pivoted the second axis point on what seat pillar,And the hook portion on the outside of the what first axle point,In use state,The hook portion of the interlock plate is to hook to be located on the first positioning region of the preceding vertical bar,It is pivoted on the basis of the interlock plate is through the second axis point,And then the hook portion is allowed to be detached from from above-mentioned first positioning region,Folding wheelchair is quickly received with sharp.一種便攜式輪椅，包含二椅架、一座墊、二扶手、一背墊、二主輪、二連動輪及一連動收合單元，該椅架具一座墊桿及一前豎桿，該前豎桿具一第一定位部，該連動收合單元裝設在座墊下方，並包含一操作桿及二連接在該操作桿兩端的連動板，該連動板具有一設於中段的第一軸點、一樞設於座墊桿上的第二軸點，及一位於該第一軸點外側的鉤部，在使用狀態，該連動板的鉤部是勾設在該前豎桿的第一定位部上，當該連動板藉著該第二軸點為基準而樞轉，進而讓該鉤部自上述第一定位部脫離，以利快速收摺輪椅。
