Telescopic arm structure for fixing concealed water tank

The utility model discloses a telescopic arm structure for fixing a concealed water tank. The telescopic arm structure comprises an installation frame and the water tank arranged on the installation frame. The installation frame is provided with telescopic arms and fixedly arranged on a wall through the telescopic arms. Each telescopic arm is in a cylinder shape and is formed by integrally machining an upper telescopic arm body and a lower telescopic arm body, wherein the diameter of the upper telescopic arm body is smaller than that of the lower telescopic arm body. Through the structural improvement, because each telescopic arm is formed by integrally machining the upper telescopic arm body and the lower telescopic arm body, the manufacturing process of the telescopic arms is simplified, the strength and rigidity of the telescopic arms are improved, and accordingly the service life of the telescopic arm structure is prolonged; besides, the telescopic arms are provided with supports, the supports are provide