Double O-shaped sealing ring type sealing device

The utility model discloses a double O-shaped sealing ring type sealing device which comprises the following components: a tank body sealing surface which is provided on the tank body, a tank door sealing surface which is provided on the tank door, sealing ring grooves which are provided on the tank...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI ZHANGAN, ZHAO ZHONGYI, GAO FENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a double O-shaped sealing ring type sealing device which comprises the following components: a tank body sealing surface which is provided on the tank body, a tank door sealing surface which is provided on the tank door, sealing ring grooves which are provided on the tank body sealing surface, and O-shaped sealing rings which are equipped in the sealing ring groove. The utility model is characterized in that: the sealing ring grooves comprise at least two sealing ring grooves; the O-shaped sealing rings comprise at least two O-shaped sealing rings with different diameters of cross section; and the O-shaped sealing rings with different diameters of cross section are equipped in the corresponding sealing ring grooves from inner part to outer part according to a sequence that the diameters of the cross sections enlarge. According to the utility model, two sealing rings with different diameters of cross section are adopted for sealing the tank door, and the pressure generated by the at