Valve clack guide lifting type check valve

• Main Authors: ZOU YUAN, WANG ZHIJIAN, JU HENG, HONG LIJING
• Format: Patent
• Language: Chinese; English
• Published: 13.03.2020
• 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; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses a valve clack guide lifting type check valve. The valve comprises a valve body, a valve clack and a valve cover, the valve cover is connected with the top of the valve bodythrough bolts; valve body circular grooves are formed in the two sides of the upper surface of the side wall of the flow stopping opening of the inner cavity of the valve body; round through holes penetrating up and down are symmetrically formed in the two sides of the valve clack. A spring groove is formed in the middle of the inner side wall, facing the valve body, of the valve deck. A valve clack jacking circular ring groove is formed in the outer side of the spring groove; valve cover circular grooves are formed in the positions, corresponding to the valve body circular grooves, of the two sides of the outer ring of the annular groove; guide pin shafts are arranged between the valve deck circular groove and the valve body circular groove corresponding to the valve deck circular groovein position, the valve cl