Self-locking flange pair and flexible connecting pipe

The invention discloses a self-locking type flange pair and a flexible connecting pipe. The self-locking type flange pair comprises a locking flange, a sealing flange and a fastening ring, wherein thelocking flange and the sealing flange are connected through a bolt, and a first annular groove forme...

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Bibliographische Detailangaben
Hauptverfasser:	CHENG LIQUAN, YI YUEHUI, YANG DING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 PERFORMING OPERATIONS PIPES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The invention discloses a self-locking type flange pair and a flexible connecting pipe. The self-locking type flange pair comprises a locking flange, a sealing flange and a fastening ring, wherein thelocking flange and the sealing flange are connected through a bolt, and a first annular groove formed in the outer side of the top surface of the locking flange is matched with a second annular groove formed in the outer side of the surface, close to the locking flange, of the sealing flange to form an annular cavity for containing the fastening ring; aramid fiber layers are arranged on the surfaces, close to each other, of the locking flange and the sealing flange respectively; and when the self-locking type flange pair is used for connecting the end of the flexible connecting pipe, the endof a framework layer of the flexible connecting pipe is turned outwards along the top surface of the locking flange and wound around the fastening ring by a circle, then the framework layer is lockedthrough the locking flange