Valve rod capable of preventing misoperation

• Main Authors: HU CHENCHUN, KE YIHANG
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2022
• 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 rod capable of preventing misoperation, which comprises a valve rod and a hand wheel, a bearing is coaxially and rotatably embedded in the top of the valve rod, a rotating shaft is coaxially and fixedly sleeved in the bearing, the hand wheel is coaxially and fixedly mounted at the top of the rotating shaft, a sleeve is coaxially and slidably sleeved outside a shaft body of the rotating shaft, and a hollow sleeve cavity is arranged in the sleeve. The bottom of the sleeving cavity is slidably connected to the top of the valve rod in a sleeving mode, limiting blocks are fixedly installed on the inner walls of the two sides of the sleeving cavity, the limiting blocks are slidably clamped in limiting grooves, the limiting grooves are formed in the top of the valve rod in a concave mode, and a buffer gasket is fixedly installed on the inner wall of the top of the sleeving cavity. A clamping assembly is movably installed at the sliding connection position of the sleeve and the rot