1results about How to "Turn in time" patented technology

The utility model discloses a butterfly valve with prevent deadlocking function, specifically relates to butterfly valve technical field, including valve mechanism, connecting assembly and support subassembly, the outer diameter surface of valve mechanism is provided with connecting assembly, and the upper installation of connecting assembly has support subassembly, its through valve mechanism, the scraper on the valve piece can be close to the pipe inner wall with the valve piece rotation, and timely remove the impurity, avoid sundry accumulation hinder the valve piece rotation, and the drain pipe of connecting assembly and sealing cap can discharge the ponding and deposit in the pipe in time, still can through the periodical irrigation drainage, reduce the influence of deposit to the valve piece from the source.