Stop valve

• Main Author: KONG XIANMEI
• 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; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model belongs to the field of heat supply pipeline accessory equipment, and particularly relates to a stop valve which comprises a valve body and a valve element, the valve element comprises an adjusting rod, a valve element sleeve, a control valve rod, a thrust valve rod and a valve clack, the valve element sleeve is clamped in a connecting pipe opening in a main pipeline, the upper portion of the valve element sleeve is located in a containing cavity of the valve body, and the lower portion of the valve element sleeve is located in the main pipeline. The control valve rod comprises a rod body, the upper end of the rod body is a connecting section, and the lower end of the rod body is provided with an abutting joint. The valve clack is located at the lower end of the thrust valve rod, a vertically-through movable channel is formed in the thrust valve rod, an exhaust flow channel is formed in the valve clack, the control valve rod and the thrust valve rod are vertically arranged and located in the