Detection type worm gear butterfly valve

The utility model belongs to the technical field of valves, and particularly relates to a detection type worm gear butterfly valve, which structurally comprises a worm gear butterfly valve main body, a first runner pipe, an automatic stop valve, a second runner pipe and a detection device, the right end of the worm gear butterfly valve main body is fixedly connected with the first runner pipe, and the right end of the first runner pipe is fixedly connected with the automatic stop valve; the worm gear butterfly valve has the advantages that in order to solve the problem that the flow detection precision of the worm gear butterfly valve is low, the detection device is arranged on the outer side of the automatic stop valve, the thin through pipe is supported through the supporting rod, the detection device is arranged on the outer side of the automatic stop valve, and therefore the detection precision of the worm gear butterfly valve is improved. And the thin through pipe provides small space flow, so that the s