JPH0354217U - - Google Patents
Info
- Publication number
- JPH0354217U JPH0354217U JP11497789U JP11497789U JPH0354217U JP H0354217 U JPH0354217 U JP H0354217U JP 11497789 U JP11497789 U JP 11497789U JP 11497789 U JP11497789 U JP 11497789U JP H0354217 U JPH0354217 U JP H0354217U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- valve
- guide hole
- cam
- cylinder head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005461 lubrication Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は本考案の一実施例による動弁機構の断
面図、第２図は同上実施例におけるシリンダヘツ
ドのガイド孔部分の平面図、第３図は従来の動弁
機構の断面図である。
１……シリンダヘツド、２……バルブステム、
３……バルブリフタ、４……バルブスプリング、
５……カム、６……ガイド孔、６ａ，６ｂ……カ
ム逃し凹部、７……オイル供給路、８……オイル
孔、９……オイル溝、１０……オイル噴出孔。
Fig. 1 is a cross-sectional view of a valve train according to an embodiment of the present invention, Fig. 2 is a plan view of a guide hole portion of a cylinder head in the same embodiment, and Fig. 3 is a cross-sectional view of a conventional valve train. . 1... Cylinder head, 2... Valve stem,
3... Valve lifter, 4... Valve spring,
5...Cam, 6...Guide hole, 6a, 6b...Cam relief recess, 7...Oil supply path, 8...Oil hole, 9...Oil groove, 10...Oil jet hole.
Claims (1)
に上下摺動自在かつ回動自在に嵌合装着された円
筒状のバルブリフタがカムの回転に従動してバル
ブステムを駆動する直動バケツト式動弁機構にお
いて、シリンダヘツド内のオイル供給路に連通し
、前記ガイド孔内周面の中央部に開口したオイル
孔と、前記オイル供給路に連通し、前記ガイド孔
内周面の上部に開口し、前記バルブリフタの稼動
時に前記カムを回避した位置から前記バルブリフ
タの上面ごしに前記ガイド孔の反対側の内周面に
向けてオイルを噴出するオイル噴出孔とを備えた
ことを特徴とするエンジンの動弁機構の潤滑装置
。 A direct-acting bucket valve mechanism in which a cylindrical valve lifter fitted into a cylindrical guide hole formed in the cylinder head so as to be vertically slidable and rotatable follows the rotation of a cam and drives the valve stem. an oil hole that communicates with an oil supply path in the cylinder head and opens at the center of the inner peripheral surface of the guide hole; an oil spout hole that spouts oil from a position avoiding the cam through the top surface of the valve lifter toward an inner circumferential surface on the opposite side of the guide hole when the valve lifter is in operation. Valve mechanism lubrication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11497789U JPH0354217U (en) | 1989-09-30 | 1989-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11497789U JPH0354217U (en) | 1989-09-30 | 1989-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354217U true JPH0354217U (en) | 1991-05-24 |
Family
ID=31663323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11497789U Pending JPH0354217U (en) | 1989-09-30 | 1989-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006054743A1 (en) * | 2004-11-19 | 2006-05-26 | Yamaha Hatsudoki Kabushiki Kaisha | Engine |
-
1989
- 1989-09-30 JP JP11497789U patent/JPH0354217U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006054743A1 (en) * | 2004-11-19 | 2006-05-26 | Yamaha Hatsudoki Kabushiki Kaisha | Engine |
| JPWO2006054743A1 (en) * | 2004-11-19 | 2008-06-05 | ヤマハ発動機株式会社 | engine |
| JP4520469B2 (en) * | 2004-11-19 | 2010-08-04 | ヤマハ発動機株式会社 | engine |
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