valve stem seal

基本解釋

According to the international informations and Santana engine, the seal mechanism and effective factors of valve stem oil seal is analyzed in this paper.
本文根據(jù)國外資料并結(jié)合桑塔納汽車發(fā)動機，分析了氣門桿油封的密封性機理及影響因素。
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.
在閥桿左端伸出閥座孔的部分與閥座的接觸處采用線密封，閥桿的密封面為球面；
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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.
閥桿采用下裝式、設(shè)置帶有密封墊片的倒密封結(jié)構(gòu)，倒密封的密封力隨閥腔介質(zhì)壓力的增高而增大，從而確保閥桿的密封效果。