Hub sealing ring with ultralow rotating friction torque

The utility model provides a hub sealing ring with ultralow rotating friction torque. The hub sealing ring comprises a rubber sealing body, a first metal framework and a second metal framework, the first metal framework comprises a first framework part, a second framework part and a third framework...

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Bibliographische Detailangaben
Hauptverfasser:	LING YI, CHEN ZENGBAO, SUN WEIHUA, YE TONG, GAO SHUIQUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a hub sealing ring with ultralow rotating friction torque. The hub sealing ring comprises a rubber sealing body, a first metal framework and a second metal framework, the first metal framework comprises a first framework part, a second framework part and a third framework part; the second metal framework comprises a fourth framework part and a fifth framework part; the rubber sealing body comprises a first rubber body fixedly adhered to the inner side face of the fourth framework part and a second rubber body fixedly adhered to the inner side face of the fifth framework part, and a first sealing lip extending towards the third framework part is formed at the end, away from the second rubber body, of the first rubber body. A second sealing lip extending towards the inner side of the third framework part, a third sealing lip extending towards the inner side of the second framework part and a fourth sealing lip extending towards the outer side of the first framework part are sequential