JPH0228505U - - Google Patents
Info
- Publication number
- JPH0228505U JPH0228505U JP10776388U JP10776388U JPH0228505U JP H0228505 U JPH0228505 U JP H0228505U JP 10776388 U JP10776388 U JP 10776388U JP 10776388 U JP10776388 U JP 10776388U JP H0228505 U JPH0228505 U JP H0228505U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- rocker arm
- closing
- opening
- shaft
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は同じく平面図である。第３図はシヤフトの
正面図、第４図は同じく側面図、第５図は分解斜
視図である。第６図は他の実施例を示すシヤフト
の正面図、第７図は同じく側面図、第８図は分解
斜視図である。
１……カムシヤフト、２……開弁用カム、３…
…閉弁用カム、４……バルブ、５……開弁用ロツ
カアーム、６……アジヤストスクリユ、７……ピ
ボツト、９……シリンダヘツド、１１……球面受
け、１５……閉弁用ロツカアーム、１６……シヤ
フト、１６ｃ，１６ｄ，１６ｅ……軸部、１７…
…リテーナ、１８……コレツト、２１……フラン
ジ、２２……長孔、２３……ネジ穴、２４……ボ
ルト。
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, and FIG. 2 is a plan view of the same. FIG. 3 is a front view of the shaft, FIG. 4 is a side view, and FIG. 5 is an exploded perspective view. FIG. 6 is a front view of a shaft showing another embodiment, FIG. 7 is a side view, and FIG. 8 is an exploded perspective view. 1...Camshaft, 2...Valve opening cam, 3...
... Valve closing cam, 4... Valve, 5... Valve opening rocker arm, 6... Adjustment screw, 7... Pivot, 9... Cylinder head, 11... Spherical receiver, 15... Valve closing Locker arm, 16...Shaft, 16c, 16d, 16e...Shaft portion, 17...
...Retainer, 18...Collet, 21...Flange, 22...Elongated hole, 23...Screw hole, 24...Bolt.
Claims (1)
、開弁用カムと閉弁用カムをそれぞれ形成し、開
弁用カムに摺接する開弁用ロツカアームを設け、
この開弁用ロツカアームはその基端をエンジンブ
ロツクに対して揺動自在に支持させるとともに、
その先端をバルブの頭部に摺接させる一方、閉弁
用カムに摺接する閉弁用ロツカアームを設け、こ
の閉弁用ロツカアームと開弁用ロツカアームとを
揺動自在に連結するシヤフトを設け、このシヤフ
トは開弁用ロツカアームを挿通する軸部と、閉弁
用ロツカアームに挿通する軸部とを互いに偏心さ
せるとともに、開弁用ロツカアームと閉弁用ロツ
カアームのいずれか一方に対するシヤフトの回転
角度を調整する手段を設けたことを特徴とする内
燃機関の弁強制開閉装置。 A valve opening cam and a valve closing cam are respectively formed on a camshaft which is rotationally driven in synchronization with the engine, and a valve opening rocker arm is provided which slides into contact with the valve opening cam.
This valve opening rocker arm has its base end swingably supported against the engine block, and
A valve-closing rocker arm is provided, the tip of which slides into contact with the head of the valve, and a valve-closing rocker arm is slidably contacted with the valve-closing cam, and a shaft is provided to swingably connect the valve-closing rocker arm and the valve-opening rocker arm. The shaft allows the shaft part that passes through the valve-opening rocker arm and the shaft part that passes through the valve-closing rocker arm to be eccentric to each other, and adjusts the rotation angle of the shaft with respect to either the valve-opening rocker arm or the valve-closing rocker arm. 1. A forced valve opening/closing device for an internal combustion engine, characterized in that it is provided with a means.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10776388U JPH0622091Y2 (en) | 1988-08-16 | 1988-08-16 | Valve forced opening / closing device for internal combustion engine |
| EP89115020A EP0355659B1 (en) | 1988-08-16 | 1989-08-14 | Rocker arm arrangement for internal combustion engine poppet valves and the like |
| DE8989115020T DE68905010T2 (en) | 1988-08-16 | 1989-08-14 | ROCKER ARM ARRANGEMENT FOR PLATE VALVES OF AN INTERNAL COMBUSTION ENGINE. |
| US07/394,091 US4944256A (en) | 1988-08-16 | 1989-08-15 | Rocker arm arrangement for internal combustion engine poppet valves and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10776388U JPH0622091Y2 (en) | 1988-08-16 | 1988-08-16 | Valve forced opening / closing device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0228505U true JPH0228505U (en) | 1990-02-23 |
| JPH0622091Y2 JPH0622091Y2 (en) | 1994-06-08 |
Family
ID=31342470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10776388U Expired - Lifetime JPH0622091Y2 (en) | 1988-08-16 | 1988-08-16 | Valve forced opening / closing device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0622091Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018035689A (en) * | 2016-08-29 | 2018-03-08 | スズキ株式会社 | Overhead valve actuation mechanism of engine |
| WO2019186887A1 (en) * | 2018-03-29 | 2019-10-03 | 本田技研工業株式会社 | Internal combustion engine valve gear |
-
1988
- 1988-08-16 JP JP10776388U patent/JPH0622091Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018035689A (en) * | 2016-08-29 | 2018-03-08 | スズキ株式会社 | Overhead valve actuation mechanism of engine |
| WO2019186887A1 (en) * | 2018-03-29 | 2019-10-03 | 本田技研工業株式会社 | Internal combustion engine valve gear |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0622091Y2 (en) | 1994-06-08 |