Vacuum ball valve

The utility model belongs to the technical field of vacuum production, and discloses a vacuum ball valve which comprises a valve body, a valve rod and a ball body, an installation hole is formed in the valve body, a first ring groove is formed in the installation hole in the circumferential directio...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	HUANG WENBO, GAO JIAHUI, WENG PENGBIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The utility model belongs to the technical field of vacuum production, and discloses a vacuum ball valve which comprises a valve body, a valve rod and a ball body, an installation hole is formed in the valve body, a first ring groove is formed in the installation hole in the circumferential direction, a first sealing gasket is arranged in the first ring groove, the valve rod is arranged in the installation hole in a penetrating mode, a second ring groove is formed in the valve rod in the circumferential direction, and a second sealing gasket is arranged in the second ring groove. The second ring groove and the first ring groove are arranged in a staggered mode, a first sealing ring is arranged in the second ring groove, the ball body is arranged in the valve body, and one end of the valve rod is connected with the ball body. According to the vacuum ball valve, sealing between the valve rod and the valve body can be prevented from being damaged, the sealing performance of the vacuum ball valve is guaranteed, r