JPS61137812U - - Google Patents
Info
- Publication number
- JPS61137812U JPS61137812U JP2048885U JP2048885U JPS61137812U JP S61137812 U JPS61137812 U JP S61137812U JP 2048885 U JP2048885 U JP 2048885U JP 2048885 U JP2048885 U JP 2048885U JP S61137812 U JPS61137812 U JP S61137812U
- Authority
- JP
- Japan
- Prior art keywords
- lifter
- cam
- valve
- block member
- engine
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
Landscapes
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図ａおよび第２図ａは本考案の内燃機関の
動弁系構造の弁作動位置及び弁停止位置における
第１実施例の断面図、第１図ｂおよび第２図ｂは
第１図ａ及び第２図ｂの平面図、第３図はカムの
斜視図、第４図ａおよび第５図ａは本考案の第２
実施例の断面図、第４図ｂおよび第５図ｂはそれ
らの平面図、第６図ａ及び第７図ａは本考案の第
３図実施例の断面図、第６図ｂ及び第７図ｂはそ
れらの平面図、第８図ａ及び第９図ａは本考案の
第４実施例の断面図、第８図ｂ及び第９図ｂはそ
れらの平面図である。
１…開閉弁、６…バルブリフタ、７…カム軸、
８…カム、８ａ，８ｂ…第１及び第２カム部、９
…ノーズ部、１２…ブロツク部材、１３…ガイド
部材、８０…ばね、８３…凹所。
1a and 2a are cross-sectional views of the first embodiment of the valve train structure of an internal combustion engine according to the present invention at the valve operating position and the valve stop position, and FIGS. 1b and 2b are sectional views of the first embodiment Fig. 3 is a perspective view of the cam, and Fig. 4 a and Fig. 5 a are plan views of the cam of the present invention.
4b and 5b are plan views thereof; FIGS. 6a and 7a are sectional views of the embodiment shown in FIG. 3 of the present invention; FIGS. 6b and 7 FIG. 8b is a plan view thereof, FIGS. 8a and 9a are sectional views of the fourth embodiment of the present invention, and FIGS. 8b and 9b are plan views thereof. 1...Opening/closing valve, 6...Valve lifter, 7...Camshaft,
8...Cam, 8a, 8b...First and second cam parts, 9
...Nose portion, 12...Block member, 13...Guide member, 80...Spring, 83...Recess.
Claims (1)
タを冠着し、機関のクランク軸に調時して回転す
るカム軸に、ベース円部のみから成る第１カム部
とノーズ部を有する第２カム部とを軸方向に隣接
して成るカムを軸装して前記リフタの上方に配置
し、カム軸と平行な方向に摺動自在なガイド部材
に昇降自在に支持せしめたブロツク部材を前記カ
ムとリフタとの間に配置し、上記ブロツク部材は
ガイド部材の摺動位置に応じてカムの第２カム部
と選択的に係合、離脱して当該開閉弁を選択的に
休止せしめるように構成した可変気筒エンジンの
動弁系構造において上記ブロツク部材にこれを常
時リフタに向つて付勢する弾撥手段を付設したこ
とを特徴とする可変気筒エンジンの動弁系構造。 A lifter is attached to the head of a valve stem of an on-off valve of an internal combustion engine, and a camshaft that rotates in synchronization with the crankshaft of the engine is provided with a first cam portion consisting only of a base circular portion and a second cam portion having a nose portion. A block member is mounted above the lifter, and is supported by a guide member that is slidable in a direction parallel to the cam shaft so as to be able to move up and down. and the lifter, and the blocking member is configured to selectively engage with and disengage from the second cam portion of the cam depending on the sliding position of the guide member, thereby selectively stopping the opening/closing valve. 1. A valve train structure for a variable cylinder engine, characterized in that the block member is provided with a resilient means for constantly biasing the block member toward the lifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2048885U JPS61137812U (en) | 1985-02-18 | 1985-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2048885U JPS61137812U (en) | 1985-02-18 | 1985-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61137812U true JPS61137812U (en) | 1986-08-27 |
Family
ID=30511020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2048885U Pending JPS61137812U (en) | 1985-02-18 | 1985-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61137812U (en) |
-
1985
- 1985-02-18 JP JP2048885U patent/JPS61137812U/ja active Pending
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