JPH0359409U

JPH0359409U -

Info

Publication number: JPH0359409U
Application number: JP12073189U
Authority: JP
Priority date: 1989-10-16
Filing date: 1989-10-16
Publication date: 1991-06-12

Description

[Brief explanation of drawings]

第１図は本考案を適用したエンジンの縦断正面
図、第２図は油圧タペツトを破断した動弁機構部
の拡大断面図、第３図は同平面図、第４図はロツ
カーホルダーの横断平面図、第５図は同側面図、
第６図はロツカーシヤフト部分のオイルの流れを
示す断面図、第７図はそのロツカーホルダー部分
の拡大図、第８図はロツカーシヤフト中間部材の
拡大断面図、第９図ａ乃至ｃは第８図の矢印Ａ方
向及び矢印Ｂ方向からの各端面図と同矢印Ｃ−Ｃ
線に沿つた断面図、第１０図はロツカーシヤフト
端部部材の拡大断面図、第１１図ａ乃至ｃは第１
０図の矢印Ａ−Ａ線に沿つた断面図と同矢印Ｂ方
向からの端面図及び同矢印Ｃ−Ｃ線に沿つた断面
図である。尚、図面中、３はシリンダヘツド、１１，１２
はバルブ、１６はカムシヤフト、２１，２２，２
３はロツカーホルダー、２４，２７はロツカーシ
ヤフト、２５，２８はロツカーシヤフト内オイル
通路、２６，２９はロツカーアーム、３１はロツ
カーアーム内オイル通路、３２は油圧タペツト、
３３は点火プラグ挿入孔、３８，３９はロツカー
ホルダー内オイル通路、４１はロツカーシヤフト
内オイル通路開口端の下半部堰、５１はロツカー
シヤフト内オイル通路開口端である。 Figure 1 is a vertical sectional front view of an engine to which the present invention is applied, Figure 2 is an enlarged sectional view of the valve mechanism with the hydraulic tappet cut away, Figure 3 is a plan view of the same, and Figure 4 is a cross-sectional view of the rocker holder. Plan view, Figure 5 is the same side view,
Fig. 6 is a sectional view showing the oil flow in the rocker shaft part, Fig. 7 is an enlarged view of the rocker holder part, Fig. 8 is an enlarged sectional view of the rocker shaft intermediate member, and Figs. 9 a to c are Fig. 8. Each end view from the direction of arrow A and the direction of arrow B and the same arrow C-C
10 is an enlarged sectional view of the rocker shaft end member, and FIGS. 11a to 11c are the first
FIG. 2 is a sectional view taken along the line A-A of FIG. 0, an end view taken from the direction of the arrow B, and a sectional view taken along the line C-C of FIG. In addition, in the drawing, 3 is the cylinder head, 11, 12
is the valve, 16 is the camshaft, 21, 22, 2
3 is a rocker holder, 24, 27 is a rocker shaft, 25, 28 is an oil passage in the rocker shaft, 26, 29 is a rocker arm, 31 is an oil passage in the rocker arm, 32 is a hydraulic tappet,
33 is a spark plug insertion hole, 38 and 39 are oil passages in the rocker holder, 41 is a lower half weir at the opening end of the oil passage in the rocker shaft, and 51 is the opening end of the oil passage in the rocker shaft.

Claims

[Scope of claims for utility model registration] 1. A rocker shaft divided into multiple parts in the axial direction,
A rocker holder that fits and holds the divided portions of the rocker shaft, a rocker arm supported on the rocker shaft, and a hydraulic tappet embedded in the end of the rocker arm, the hydraulic tappet located at a higher position than the rocker shaft, In an engine that supplies oil through passages formed in the rocker shaft, the rocker holder, and the rocker arm, the opening end of the oil passage in the rocker shaft is offset above the rocker shaft axis. An engine oil passage characterized by: 2. The oil passage for an engine according to claim 1, wherein the oil passage in the rocker holder is bent downward so as to be lower than the oil passage in the rocker shaft.