Ball valve with extended stem

• Main Author: ZHA ZHAO
• Format: Patent
• Language: English
• Published: 22.10.2014
• 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 provides a ball valve with an extended stem, belongs to the technical field of machinery and solves the problem that an existing ball valve is small in application range. The ball valve with the extended stem comprises a valve body, a valve spool arranged in the valve body, a valve stem and a handle. The inner end of the valve stem extends into the valve body and is fixedly connected with the valve spool, and the outer end of the valve stem extends out of the valve body. The ball valve further comprises the columnar extended stem and a cylindrical protecting cover, the extended stem and the valve stem are coaxially arranged, the inner end of the extended stem and the outer end of the valve stem are circumferentially fixed, the outer end of the extended stem and the handle are circumferentially fixed, the protecting cover sleeves the extended stem, and two ends of the extended stem are arranged in the protecting cover. The outer end of the protecting cover and the handle are circumferentially fixed, and the inner end of the protecting cover and the valve stem are axially limited. The ball valve with the extended stem has the advantage of high applicability.