Assembled warning column

The utility model discloses an assembled warning bar, which belongs to the technical field related to warning, aims to solve the problems that the height of the warning bar is usually fixed, the actual placing environment requirement is inconvenient to adjust, and the warning bar can not be used for warning and retaining at different heights in the prior art, and comprises a rod body, a plurality of sets of telescopic rods are fixedly connected between every two sets of rod bodies, the first handle drives the threaded rod to rotate, the threaded rod can rotate in the barrel and move towards the end away from or close to the barrel at the position of the barrel, then the total height of the barrel and the threaded rod can be changed, and the height of the barrel and the threaded rod can be adjusted while adjustment is conducted. The screw rods can drive the corresponding connecting rods and the two sets of rod bodies to move synchronously so that the distance between the two sets of rod bodies and the other tw