Liftable handle bar

The utility model relates to the technical field of dance bars, in particular to a liftable bar. The device comprises two bases, telescopic rods are fixedly connected to the upper ends of the two bases, a cross rod is fixedly connected to the output ends of the two telescopic rods through bolts, a supporting structure is arranged on the arc surfaces of the two telescopic rods, the supporting structure comprises a fixing plate, and the two ends of the fixing plate are fixedly connected with the two telescopic rods correspondingly; a sliding rail is fixedly connected to the upper surface of the fixing plate, two sliding blocks are slidably connected to the inner wall of the sliding rail, two fixing blocks are fixedly connected to the upper surface of the fixing plate, driving rods are rotatably connected to the interiors of the two fixing blocks, and opposite threads are formed in the two ends of each driving rod. The two ends of the driving rod are in threaded connection with the two sliding blocks correspondi