Long-life adjusting valve

• Main Authors: LI SHUBING, SUN JINGKUAN, JIN AIMING
• Format: Patent
• Language: Chinese; English
• Published: 26.11.2021
• 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 invention discloses a long-life adjusting valve. The valve comprises a valve body, a liquid inlet hole is formed at the lower end of the valve body, a liquid outlet hole is formed in the side face of the valve body, a valve cavity with an opening at the upper end is formed in the valve body, a valve port is formed at the bottom of the valve cavity, a first communicating hole is formed in the side wall of the valve cavity, and a valve clack support is fixedly arranged at the bottom of the valve cavity; and a static valve plate is arranged in the valve clack support, and a plug is fixedly arranged at the upper end of the valve cavity. A lower valve rod is rotationally connected into the plug, a convex shoulder is arranged at the outer side of the lower valve rod, a convex rod is arranged in the center of the convex shoulder, a movable valve plate is arranged at the position, located at the lower end of the convex rod, in a mounting hole, a limiting groove is formed at the upper end of the movable valve plat