Smooth telescopic hinge assembly

The utility model relates to a smoothly telescopic hinge assembly which comprises a hinge base and a sliding assembly, a U-shaped connecting block and a first connecting piece are arranged on the hinge base, and the U-shaped connecting block is connected with a first solid plate; the sliding assembly comprises a telescopic rod rotationally connected with the first connecting piece and a second connecting piece connected with the telescopic rod, and the second connecting piece is connected with a second solid plate. The hinge assembly is installed on the first solid plate through a U-shaped connecting block on the hinge base, and the second connecting piece is fixedly installed on the second solid plate. One end of a telescopic rod on the sliding assembly is rotationally connected to the hinge base, the telescopic rod at the other end is fixedly arranged on the second connecting piece, so that the second connecting piece rotates around the hinge base to open or close the second solid plate and the first solid