Engine and valve oil seal thereof

The invention discloses an engine and a valve oil seal of the engine. The valve oil seal comprises a framework, a rubber body and a first sealing portion, wherein one end of the framework is fixed to a valve body portion, the rubber body is installed on the inner side of the framework, and the first...

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Main Authors WANG YINGJIE, YAO WEI, LIU JUN, MU FANGYING, YANG LEI, ZHANG YAZHOU, LUO JUN, YE ZHIWEI, ZHANG YINGBING, CHEN YOUXIANG, QIAN DEMENG, LIU TONG, WANG YOUCHENG, CHEN LIANG, ZOU KAI, OUYANG CAIYUN
Format Patent
LanguageChinese
English
Published 23.07.2014
Subjects
BLASTING
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:The invention discloses an engine and a valve oil seal of the engine. The valve oil seal comprises a framework, a rubber body and a first sealing portion, wherein one end of the framework is fixed to a valve body portion, the rubber body is installed on the inner side of the framework, and the first sealing portion is arranged at a valve opening portion. The valve oil seal further comprises a second sealing portion. The second sealing portion inclines relative to the axial direction of a valve. The bottom of the second sealing portion abuts against the opening end face of the valve body portion. According to the valve oil seal, the valve opening portion is sealed through the first sealing portion, the valve body portion is also sealed through the second sealing portion, and consequently the sealing effect is further improved, engine oil flow is reduced, the performance of the engine is ensured, and engine oil consumption is reduced.
Bibliography:Application Number: CN20141166555