Anti-deformation aluminum square tube

The utility model relates to the field of aluminum square tubes, and discloses an anti-deformation aluminum square tube which effectively solves the problems that an existing aluminum square tube is high in ductility, C-shaped and prone to deformation of the outer wall when pressed, and comprises an aluminum square tube body, a supporting assembly is installed in the aluminum square tube body and comprises connecting blocks arranged in the aluminum square tube body at equal intervals, and the connecting blocks are connected with the aluminum square tube body. The top end and the bottom end of the connecting block are symmetrically and rotationally connected with rotating rods, one end of each rotating rod is rotationally connected with a sliding block, the sliding blocks are connected into sliding grooves in a sliding mode, and the sliding grooves are symmetrically formed in the inner top wall and the inner bottom wall of the aluminum square tube. The supporting force of the rotating rod on the upper wall and