Butterfly valve with filtering function

• Main Authors: YE BOTONG, LU BING, LI YANFEI
• Format: Patent
• Language: Chinese; English
• Published: 05.06.2020
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TAPS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VALVES; WEAPONS

The utility model relates to a butterfly valve with a filtering function. The butterfly valve comprises a valve body, a valve seat, a butterfly plate and a valve rod, the valve seat is connected withthe butterfly plate; the outer diameter of the valve seat is in interference fit with the inner diameter of the valve body; wherein the valve body is provided with an opening and closing hole matchedwith the valve rod, the valve rod and the butterfly plate are arranged in a linkage mode, the filtering cover is connected with the valve body, the end face of the filtering cover is provided with a plurality of filtering holes, and the distance between the filtering holes and a rotating shaft of the valve rod is larger than the radius of the butterfly plate. The butterfly valve with the filteringfunction can reduce abrasion of the valve seat when a medium passes through the valve seat due to large-particle impurities in a filtering medium. 本实用新型涉及一种带过滤功能的蝶阀，包括阀体、阀座、蝶板和阀杆，所述阀座所述蝶板连接，所述阀座外径与所述阀体内径过盈配合，所述阀体设有和所述阀杆配合的启闭孔，