valve stem seal

基本解释

According to the international informations and Santana engine, the seal mechanism and effective factors of valve stem oil seal is analyzed in this paper.
本文根据国外资料并结合桑塔纳汽车发动机，分析了气门杆油封的密封性机理及影响因素。
The joint of the left end of the valve stem extending out of the valve seat hole and the valve seat adopts the linear seal. The seal face of the valve stem is a sphere surface.
在阀杆左端伸出阀座孔的部分与阀座的接触处采用线密封，阀杆的密封面为球面；
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Download-type valve stem, set down with a sealing gasket sealing structure, sealed down with the media in the valve sealing force increases with increasing pressure to ensure that the valve stem seal.
阀杆采用下装式、设置带有密封垫片的倒密封结构，倒密封的密封力随阀腔介质压力的增高而增大，从而确保阀杆的密封效果。