Hinder mobile device more

The utility model provides a hinder mobile device more, relates to stair auxiliary equipment technical field, including drive assembly and electric motor car, drive assembly fixed mounting is in emptyside of facing of stair, drive assembly includes a plurality of stands, rack and U type guide rail, the rack with U type guide rail both ends are open connection, stand align to grid and fixed mounting are on the step of stair, the upper end fixedly connected with of stand the rack, the lower extreme fixedly connected with of stand U type guide rail, tooth of rack orientation with the opening direction of U type guide rail is relative, be equipped with the drive wheel in the electric motor car, the drive wheel is located one side of electric motor car, the drive wheel with rack toothing is located drive wheel one side the wheel card of electric motor car is in in the U type guide rail. This novel own upstairs or downstairs of the inconvenient crowd of legs and feet that not only enables does not need the stranger