Crankshaft oil seal

The utility model provides a crankshaft oil seal. The crankshaft oil seal is arranged between a shell and a crankshaft of an engine, and comprises a main lip which is contacted with the peripheral surface of the crankshaft and is close to the inner side of the shell and an auxiliary lip which is clo...

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Bibliographic Details
Main Authors HIROFUMI MICHIOKA, MAKIKO YUI
Format Patent
LanguageChinese
English
Published 16.07.2014
Subjects
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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Summary:The utility model provides a crankshaft oil seal. The crankshaft oil seal is arranged between a shell and a crankshaft of an engine, and comprises a main lip which is contacted with the peripheral surface of the crankshaft and is close to the inner side of the shell and an auxiliary lip which is close to the outer side of the shell; a dustproof lip curtain is arranged between the main lip and the auxiliary lip, extends towards the peripheral surface of the crankshaft and is inclined towards the outer side of the shell; a gap is reserved between the front end part of the dustproof lip curtain and the peripheral surface of the crankshaft. By adopting the structure, outside dust and the like can be further prevented from entering the engine.
Bibliography:Application Number: CN2014269467U