Design method of internal thread type copper ball valve for gas

• Main Author: LIN WEIQIAN
• Format: Patent
• Language: Chinese; English
• Published: 16.10.2018
• 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 an internal thread type ball valve for gas. The copper ball valve comprises a valve body, an intake port, an exhaust port, a valve ball, a valve rod connected with the valve ball, a handle for driving the valve rod to rotate, and the like; the valve ball is positioned in the valve body, and cooperates with the valve body; the valve rod is inserted in an upper channel of thevalve body, and is connected with the valve ball; the handle is connected with the valve rod; internal threads are arranged in the intake port of the valve body; internal threads are arranged out ofthe exhaust port of the valve body; the two ends of the ball valve are sealed; and the copper ball valve is safe in use, reasonable in cost, convenient to install and suitable for such functions as switch control of natural gas, artificial gas, liquefied petroleum gas and water ways. 本发明公开了种内牙型燃气用球阀，种铜球阀，包括阀体、进气口、出气口、阀球、与阀球连接的阀杆以及带动阀杆转动的手柄等设备组成；阀球位于阀体内并与阀体相配合，阀杆穿入阀体的上通道并与阀球相连，手柄与阀杆相连；阀体进气口设置有内牙，阀体出气口外设置有内螺纹，密封球阀两端，使用安全，价格合