Anti-falling valve

The utility model relates to the technical field of valves, and discloses an anti-falling valve which comprises a valve body and a pipeline, a first branch pipe and a second branch pipe are installed at the two ends of the valve body respectively, the middle of the pipeline is disconnected, and the opening end of the first branch pipe and the opening end of the second branch pipe are in butt joint with two fractures of the pipeline respectively. The first branch pipe and the second branch pipe are each provided with a locking sleeve in a sliding mode, and the two locking sleeves are connected to the outer walls of the two fractures of the pipeline in a threaded and sleeving mode correspondingly and are fastened through bolts. The two fracture tangent planes of the pipeline are each provided with a backing ring. According to the utility model, the joint of the pipeline and the first branch pipe and the joint of the pipeline and the second branch pipe can be locked to play a role in stable installation, finally