Booster automatic waterflow overspeed resistance increasing device

• Main Author: YU NAIFU
• Format: Patent
• Language: Chinese; English
• Published: 26.12.2012
• 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 booster automatic waterflow overspeed resistance increasing device which comprises a valve body, a valve plate and a valve shaft, wherein two ends of the valve body are in a opening cylindrical form, and the two sides of the valve body are respectively integrally molded with a projective eccentric mounting chamber which is provided with the valve shaft; a valve plate body of the valve plate is arranged on the valve shaft through a shaft base fixed on the valve plate body, and the edge of a water face of the valve plate body is integrally molded with a warp tilted upwards; a semiellipse part of one side, opposite to the warp, of the valve plate body is provided with a dewatering hole, the upper and lower parts of the inner wall of the valve body are respectively fixedly provided with a first check ring and a second check ring, and the two check rings are matched with the upper and lower edge positions of the valve plate; the inner wall of the valve body is positioned below the two sid