JPH0354209U - - Google Patents
Info
- Publication number
- JPH0354209U JPH0354209U JP11498089U JP11498089U JPH0354209U JP H0354209 U JPH0354209 U JP H0354209U JP 11498089 U JP11498089 U JP 11498089U JP 11498089 U JP11498089 U JP 11498089U JP H0354209 U JPH0354209 U JP H0354209U
- Authority
- JP
- Japan
- Prior art keywords
- guide hole
- cam
- valve
- cylindrical
- recess
- 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
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は本考案の一実施例によるシリンダヘツ
ドのガイド孔部分の斜視図、第２図は第１図にお
ける−線断面図、第３図は従来装置における
シリンダヘツドのガイド孔部分の斜視図、第４図
は第３図における−線断面図、第５図は本考
案の実施例および従来装置に共通する直動バケツ
ト式動弁機構の構成例を示す断面図である。
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……カム逃し
凹部、６ｂ……下端縁、７……オイル供給路、８
……オイル孔、９……オイル溝。
Fig. 1 is a perspective view of a guide hole portion of a cylinder head according to an embodiment of the present invention, Fig. 2 is a sectional view taken along the line - - in Fig. 1, and Fig. 3 is a perspective view of a guide hole portion of a cylinder head in a conventional device. , FIG. 4 is a cross-sectional view taken along the line -- in FIG. 3, and FIG. 5 is a cross-sectional view showing a configuration example of a direct-acting bucket valve mechanism common to the embodiment of the present invention and the conventional device. 1...Cylinder head, 2...Valve stem,
3... Valve lifter, 4... Valve spring,
5...Cam, 6...Guide hole, 6a...Cam relief recess, 6b...Lower edge, 7...Oil supply path, 8
...Oil hole, 9...Oil groove.
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装置であ
つて、前記ガイド孔の上端部分に前記カムとの干
渉を避けるためのカム逃し凹部が形成されていて
、この凹部の前記ガイド孔内周面における下端縁
が前記ガイド孔の軸線に対して傾斜していること
を特徴とするエンジンの動弁装置。 A direct-acting bucket valve system 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. A cam relief recess is formed at the upper end of the guide hole to avoid interference with the cam, and a lower edge of the recess on the inner circumferential surface of the guide hole is aligned with the axis of the guide hole. An engine valve train characterized by being inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11498089U JPH0354209U (en) | 1989-09-30 | 1989-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11498089U JPH0354209U (en) | 1989-09-30 | 1989-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354209U true JPH0354209U (en) | 1991-05-24 |
Family
ID=31663326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11498089U Pending JPH0354209U (en) | 1989-09-30 | 1989-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354209U (en) |
-
1989
- 1989-09-30 JP JP11498089U patent/JPH0354209U/ja active Pending