Oil seal capable of preventing excircle from leaking

The utility model provides an oil seal capable of preventing an excircle from leaking, which comprises an excircle skeleton (3) and a built-in ring (1), and is characterized in that: the built-in ring (1) is arranged in the excircle skeleton (3), and a rubber bulge (2) structure is adhered to the up...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	GAI MINLING
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 an oil seal capable of preventing an excircle from leaking, which comprises an excircle skeleton (3) and a built-in ring (1), and is characterized in that: the built-in ring (1) is arranged in the excircle skeleton (3), and a rubber bulge (2) structure is adhered to the upper end of the excircle skeleton (3) and is in interference fit with an assembly inner hole. The oil seal has the excircle bare skeleton, has good heat dissipation and high assembly precision, prevents the excircle from leaking oil, is more convenient to install, is simple in design, is easy to promote, and is suitable for mass production.