JPH0459305U

JPH0459305U -

Info

Publication number: JPH0459305U
Application number: JP10181890U
Authority: JP
Priority date: 1990-09-28
Filing date: 1990-09-28
Publication date: 1992-05-21

Description

[Brief explanation of drawings]

第１図は供給油流量と油中気泡濃度との関係を
示すグラフ、第２図は本考案による油圧式バルブ
ラツシユアジヤスタの断面図、第３図は従来の油
圧式バルブラツシユアジヤスタの断面図である。８……ボデイ、９……プランジヤ、１６……第
１給油溝、１６ａ……大径部、１６ｂ……小径部
、１７……第１油孔、１８……第２給油溝、１９
……第２油孔、２０……リザーバ室。 Figure 1 is a graph showing the relationship between supplied oil flow rate and bubble concentration in oil, Figure 2 is a sectional view of the hydraulic valve lash adjuster according to the present invention, and Figure 3 is a conventional hydraulic valve lash adjuster. FIG. 8... Body, 9... Plunger, 16... First oil groove, 16a... Large diameter part, 16b... Small diameter part, 17... First oil hole, 18... Second oil groove, 19
...Second oil hole, 20...Reservoir chamber.

Claims

[Scope of utility model registration request]

A hollow plunger is slidably fitted into an upwardly open cylinder body, and an oil discharge port is provided above the plunger 12 to communicate a reservoir chamber formed in the plunger with the outside. A high pressure chamber is formed in a portion surrounded by the bottom and the lower part of the plunger, and a check valve is provided below the plunger to allow flow only from the reservoir chamber to the high pressure chamber. a first oil supply groove having a portion;
A second oil supply groove is provided in the fitting sliding portion between the body and the plunger, and the first oil groove and the second oil supply groove are mutually connected to each other by a first oil hole opened in the large diameter portion. A hydraulic valve latch adjuster characterized in that a second oil hole is provided in the peripheral wall of the plunger and is opened to communicate between the second oil supply groove and the reservoir.