External thread stop valve

• Main Authors: LI HUASONG, HUANG QUAN, LI HUAJIANG
• Format: Patent
• Language: Chinese; English
• Published: 02.05.2023
• 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 an external thread stop valve, which comprises a valve body, a valve cover, a valve rod and a valve clack, and is characterized in that one end of the valve body is provided with a water inlet, the other end of the valve body is provided with a water outlet, two ends of the water inlet and the water outlet of the valve body are provided with threads, an opening and closing groove is arranged in the valve body, the opening and closing groove is positioned below the valve clack, and the valve cover is arranged on the valve rod. The stop valve is characterized in that the stop valve body is provided with an opening and closing groove, the opening and closing groove is communicated with a pipeline of the water inlet and a pipeline of the water outlet, a filtering assembly is arranged in the pipeline of the water inlet, and a non-return assembly is arranged in the pipeline of the water outlet. By arranging the water inlet and the water outlet, the backflow of liquid is prevented, a good