This creation is a kind of Walker lifting mechanism.The utility model has two support frames connected into a rectangular frame body.And the top ends of the two side support frames are provided with an upper armrest part.Moreover, the support frames on both sides are respectively provided with front andFoot post for rear landing,And the foot bar of the support frame is composed of a first tube and a second tube which can slide linearly relative to the first tube.The first tube is internally provided with a servo motor.The output end of the servo motor is provided with a guide screw which can be extended to the second tube.The second pipe is provided with a fixed screw sleeve for the guide screw screw at the end of the corresponding first pipe.When the guide screw rotates, it can drive the second pipe of the fixing screw sleeve.Downward displacementIn this way,Using the servo motor between the first tube and the second tube of the foot bar,Guide screw and fixing screw sleeve,So that the foot bar can be changed in real time.And can coordinate with the height of the emissary for endless adjustment.Fully meet the height needs of users.It is practical and convenient.本創作係一種助行器升降機構，其具有兩連接成矩形框體之支撐架，又兩側支撐架頂端具有一上扶手部，再者兩側支撐架分別具有前、後著地之腳桿，又前述支撐架的腳桿係由一第一管及一可於第一管相對線性滑移之第二管所組成，且該第一管內部固設有一伺服馬達，又該伺服馬達輸出端具有一可伸設於第二管之導螺桿，再者第二管於對應第一管的端部設有一供導螺桿螺設之固定螺套，供導螺桿轉動時可帶動具固定螺套之第二管上、下位移，藉此，利用腳桿之第一管與第二管間的伺服馬達、導螺桿及固定螺套，使腳桿能被即時改變長度，且能配合使者身高進行無段調整，完全滿足使用者的身高需求，具有實用性與便利性。
