Pipeline plugging device with good sealing performance

The utility model discloses a pipeline plugging device with good sealing performance, which relates to the technical field of gas engineering and comprises a fixing ring and a sealing assembly, a main pipe body is arranged in the fixing ring, the sealing assembly is arranged at the rear end of the f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TANG ZHIMAN, FU YOULIANG, CHEN YING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a pipeline plugging device with good sealing performance, which relates to the technical field of gas engineering and comprises a fixing ring and a sealing assembly, a main pipe body is arranged in the fixing ring, the sealing assembly is arranged at the rear end of the fixing ring, and the sealing assembly comprises a sealing sleeve, an anti-skid rubber ring, a threaded groove, a gas pipeline, a valve and an elastic air bag. An anti-skid rubber ring is additionally arranged on the outer side of the sealing sleeve, a threaded groove is formed in the sealing sleeve, a gas conveying pipeline is connected to the middle end in the sealing sleeve, a valve is installed in the middle of the gas conveying pipeline, an elastic air bag is installed at the front end of the gas conveying pipeline, and an anti-skid rubber ring is additionally arranged on the outer side of the sealing sleeve. According to the pipeline plugging device with the good sealing performance, through the arrangement of