JPS63193707U - - Google Patents
Info
- Publication number
- JPS63193707U JPS63193707U JP8328587U JP8328587U JPS63193707U JP S63193707 U JPS63193707 U JP S63193707U JP 8328587 U JP8328587 U JP 8328587U JP 8328587 U JP8328587 U JP 8328587U JP S63193707 U JPS63193707 U JP S63193707U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- lever
- rocker arm
- lift control
- intake
- 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
Landscapes
- Valve Device For Special Equipments (AREA)
Description
第１図はこの考案に係る内燃機関の吸・排気弁
リフト制御装置の第１実施例を示す側面図、第２
図はこの実施例の一部を破断して示す平面図、第
３図は本考案の第２実施例を示す要部断面図、第
４図は本考案の第３実施例を示す要部断面図、第
５図は従来の吸・排気弁リフト制御装置を示す側
面図、第６図は同従来装置の一部を破断して示す
平面図、第７図はバルブリフト特性を示すグラフ
である。
１……駆動カム、２……吸気弁、３……ロツカ
アーム、５……シリンダヘツド、７……レバー、
１１……リフト制御カム、１２……カム制御軸（
カム軸）、１５……キヤツプ、２３……嵌合部（
凹部）、２５……軸受部（凸部）。
FIG. 1 is a side view showing a first embodiment of the intake/exhaust valve lift control device for an internal combustion engine according to this invention;
The figure is a partially cutaway plan view of this embodiment, FIG. 3 is a sectional view of a main part showing a second embodiment of the present invention, and FIG. 4 is a sectional view of a main part showing a third embodiment of the present invention. 5 is a side view showing a conventional intake/exhaust valve lift control device, FIG. 6 is a partially cutaway plan view of the conventional device, and FIG. 7 is a graph showing valve lift characteristics. . 1... Drive cam, 2... Intake valve, 3... Locker arm, 5... Cylinder head, 7... Lever,
11... Lift control cam, 12... Cam control shaft (
camshaft), 15...cap, 23...fitting part (
recessed portion), 25...bearing portion (convex portion).
Claims (1)
が上記駆動カムに当接し他端が吸・排気弁のバル
ブステムに連係するロツカアームと、該ロツカア
ームの上側に載置され一端部がシリンダヘツドに
当接し、これを支点として揺動可能に支持されて
ロツカアームの揺動支点を形成するレバーと、該
レバーの上面に当接して該レバーの揺動位置を規
制するリフト制御カムと、該リフト制御カムを軸
受するキヤツプとを備えた吸・排気弁リフト制御
装置において、上記リフト制御カムを、これを支
持するカム軸に遊嵌し、該カムのカム面に、カム
軸と同心円状の凹部または凸部を形成するととも
に、上記キヤツプの内面に前記凹部または凸部と
嵌まり合う凸部または凹部を形成したことを特徴
とする内燃機関の吸・排気弁リフト制御装置。 A drive cam that rotates in synchronization with engine rotation, a rocker arm that has one end in contact with the drive cam and the other end that is linked to the valve stems of the intake and exhaust valves, and a rocker arm that is placed above the rocker arm and has one end connected to the cylinder head. a lever that abuts and is swingably supported using the lever as a fulcrum to form a swinging fulcrum of the rocker arm; a lift control cam that comes into contact with the upper surface of the lever to regulate the swinging position of the lever; In an intake/exhaust valve lift control device equipped with a cap that bears a cam, the lift control cam is loosely fitted onto a camshaft that supports the cam, and the cam surface is provided with a concave or An intake/exhaust valve lift control device for an internal combustion engine, characterized in that a convex portion is formed, and a convex portion or a concave portion that fits into the concave portion or convex portion is formed on the inner surface of the cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8328587U JPS63193707U (en) | 1987-05-30 | 1987-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8328587U JPS63193707U (en) | 1987-05-30 | 1987-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63193707U true JPS63193707U (en) | 1988-12-13 |
Family
ID=30936731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8328587U Pending JPS63193707U (en) | 1987-05-30 | 1987-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63193707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997039493A1 (en) * | 1996-04-16 | 1997-10-23 | Kyocera Corporation | Portable radio device |
-
1987
- 1987-05-30 JP JP8328587U patent/JPS63193707U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997039493A1 (en) * | 1996-04-16 | 1997-10-23 | Kyocera Corporation | Portable radio device |
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