Multifunctional fire-resistant air pipe

The utility model discloses a multifunctional fire-resistant air pipe which comprises a first side plate, a second side plate and an end flange, the first side plate and the second side plate are paired, the first side plate is in a U shape, and meanwhile first connecting holes are formed in the fou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	XIE HUIYANG
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 multifunctional fire-resistant air pipe which comprises a first side plate, a second side plate and an end flange, the first side plate and the second side plate are paired, the first side plate is in a U shape, and meanwhile first connecting holes are formed in the four corners of the first side plate; the side face of the second side plate is provided with an inserting groove used for allowing the inserting part to be inserted in a matched mode, and the end of the inserting groove is provided with a second connecting hole corresponding to the first connecting hole. The end flange comprises a flange body, a connecting frame is arranged on the inner side face of the flange body, and a third connecting hole corresponding to the second connecting hole is formed in the connecting frame. The first side plate and the second side plate each comprise an inner plate and an outer plate which are arranged at intervals, a filling cavity is formed between the inner plate and the outer plate,