EXPANSION JOINT

The utility model relates to the technique of machining working, which is an expansion joint for adjusting the linear variation of conduit axial direction and the angular variation of the delivery conduit which are caused by the change of temperature and length. The utility model adopts sleeve-type...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUANG DAHANG, ZHAO XIAOGUANG ET AL, FENG HONGZHI
Format:	Patent
Sprache:	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 relates to the technique of machining working, which is an expansion joint for adjusting the linear variation of conduit axial direction and the angular variation of the delivery conduit which are caused by the change of temperature and length. The utility model adopts sleeve-type twofold self-seal structure, and an oil sump is added between two seal rings; one of the two seal rings is an O-shaped seal ring, and the other is Y-shaped seal ring; the sleeve type is that the left side is an external joint sleeve, and the right side is an internal joint sleeve; the external and the internal sleeves of the expansion joint can slide freely in a sliding sleeve 4, and is flexible; the second seal ring uses proof high-pressure rubbery material.