JPS63160303U

JPS63160303U -

Info

Publication number: JPS63160303U
Application number: JP5380487U
Authority: JP
Priority date: 1987-04-09
Filing date: 1987-04-09
Publication date: 1988-10-20
Anticipated expiration: 2002-04-09
Also published as: JPH0636244Y2

Description

[Brief explanation of the drawing]

第１図乃至第４図は水平対向エンジンの吸気、
排気の動弁系に応用した本考案の油圧式バルブラ
ツシユアジヤスタ内装型ロツカーアームのそれぞ
れの実施例の略式断面図であり、第５図は従来の
油圧式バルブラツシユアジヤスタ内装型ロツカー
アームの略式断面図である。１……カム、２……ロツカーアーム、３……ロ
ツカーシヤフト、４……バルブステム、５……バ
ルブスプリング、６……シリンダヘツド油回路、
７……孔、８……溝、９……油通路、１０……プ
ラグ、１１……空気逃し孔、１２……リザーバ、
１３……開口、１８……円筒形ボアー、１９……
取付孔、２０……バルブラツシユアジヤスタ、２
１……プランジヤ、２２……アジヤスタボデイ、
２３……リターンスプリング、２４……チエツク
弁、２５……高圧室、２６……油導入部、２７…
…リテーナ、３０……円筒プラグ、３１……スリ
ツト型空気逃し孔、３１′……空気逃し孔、３２
……リザーバ、３３……環状溝、３４……連通口
、ＯＬ……油面、Ｘ―Ｘ……軸線。 Figures 1 to 4 show the intake air of a horizontally opposed engine;
FIG. 5 is a schematic sectional view of each embodiment of a Rocker arm with a built-in hydraulic valve lash adjuster according to the present invention applied to an exhaust valve train system, and FIG. It is a schematic cross-sectional view. 1...Cam, 2...Rocker arm, 3...Rocker shaft, 4...Valve stem, 5...Valve spring, 6...Cylinder head oil circuit,
7... Hole, 8... Groove, 9... Oil passage, 10... Plug, 11... Air relief hole, 12... Reservoir,
13...Opening, 18...Cylindrical bore, 19...
Mounting hole, 20...Valve brush adjuster, 2
1...Pranja, 22...Asiasta body,
23...Return spring, 24...Check valve, 25...High pressure chamber, 26...Oil introduction part, 27...
...Retainer, 30...Cylindrical plug, 31...Slit type air relief hole, 31'...Air relief hole, 32
... Reservoir, 33 ... Annular groove, 34 ... Communication port, OL ... Oil level, X-X ... Axis line.

Claims

[Claims for Utility Model Registration] (1) Rotatably attached to a rocker shaft 3 having an oil supply passage 6 inside, and one end of which is attached to an operating cam 1.
The rocker arm 2 is connected to the mounting hole 19 of the rocker arm 2 in which the valve lash adjuster 20 is fitted, and the other end is connected to the outside. One end is closed and the other end is open, and the open end is connected to the bore 18.
8, an annular groove 33 formed in the bore at the outer periphery of the plug, and an oil connecting the annular groove and the oil supply passage 6 inside the rocker shaft. passages 7, 8, 9 and the annular groove 33 provided in the plug 30 at a position on the opposite side of the rocker shaft 3 with respect to the axis XX of the plug 30;
and a communication port 34 between the annular groove 33 and the inside of the plug, and air relief holes 31 and 31' provided in the rocker arm 2 to communicate the upper part of the annular groove 33 to the outside. Rotscar arm with built-in adjustment adjuster. (2) The air release hole 31 communicating the upper part of the annular groove 33 with the outside is connected to the bore 1 of the rocker arm 2.
8. A hydraulic valve lash adjuster internal type rocker arm according to claim 1, which is a slit provided in the slit. (3) The hydraulic valve according to claim 1, wherein the air relief hole 31' communicating the upper part of the annular groove 33 to the outside is formed by a small hole penetrating the wall of the rocker arm 2. Rotscar arm with built-in lock adjuster.