Fire-resistant hydraulic oil pipe joint

The utility model discloses a fire-resistant hydraulic oil pipe joint, which comprises a nut, a clamping core and a clamping sleeve, wherein an inner step is arranged at one end of an inner hole of the nut, and the clamping core is a cylindrical body with a shaft shoulder at one end; one end of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YIN CHUANQUAN, QIU XUEFENG
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 fire-resistant hydraulic oil pipe joint, which comprises a nut, a clamping core and a clamping sleeve, wherein an inner step is arranged at one end of an inner hole of the nut, and the clamping core is a cylindrical body with a shaft shoulder at one end; one end of the shaft shoulder of the clamping core is connected onto the inner step of the inner hole of the nut in a clamping way, and the clamping sleeve is a cylindrical body of which one end is connected onto the clamping core; and a cavity for installing an oil pipe is arranged between the other end of the clamping sleeve and the clamping core. The fire-resistant hydraulic oil pipe joint is characterized in that: the clamping sleeve is in sealing interference fit connection with the clamping core. The fire-resistant hydraulic oil pipe joint has greatly enhanced sealing and good fire-resistant performances. Proved by experiments, the oil pipe with the fire-resistant hydraulic oil pipe joint can meet the requirements of classi