Round tube supporting foot stool for office chair

The utility model discloses a round tube support foot stand for office chairs, which comprises a base and a plurality of rotating tubes rotatably connected to the inner surface of the base, the inner surfaces of the plurality of rotating tubes are all in threaded connection with round rods, the inner surfaces of the plurality of round rods are all in sliding connection with square rods, one end of each square rod is fixedly connected to the inner surface of the base, and the other end of each square rod is fixedly connected to the inner surface of the base. Gears are fixedly connected to the outer surfaces of the rotating pipes. The utility model relates to the technical field of office chairs. According to the round tube supporting foot stool for the office chair, all gears are driven to rotate simultaneously by rotating a gear ring, a rotating tube is driven to rotate when the gears rotate, a round rod is driven to move through internal threads when the rotating tube rotates, and the round rod passes throug