JPH02105503U - - Google Patents
Info
- Publication number
- JPH02105503U JPH02105503U JP1263689U JP1263689U JPH02105503U JP H02105503 U JPH02105503 U JP H02105503U JP 1263689 U JP1263689 U JP 1263689U JP 1263689 U JP1263689 U JP 1263689U JP H02105503 U JPH02105503 U JP H02105503U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- rocker
- shaft
- rocker arm
- valve
- 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
- 239000011435 rock Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係る一実施例のエンジンにお
ける１シリンダの一部省略斜視図、第２図は１動
弁装置の斜視図、第３図は同断面図、第４図は連
結切換機構を示す断面図、第５図は給油系の回路
図である。
１…エンジン、２…吸気通路、３…排気通路、
２０…ピストン、２１…燃焼室、２２…吸気口、
２３…排気口、２４…吸気弁、２５……排気弁、
２６…点火プラグ、２７，２８…弁ばね、３０…
カムシヤフト、３１，３２…低速用カム、３３…
高速用カム、３４…ロツカーシヤフト、３５…第
１ロツカーアーム、３６…第２ロツカーアーム、
３７…自由ロツカーアーム、３８…タペツトねじ
、３９…ロストモーシヨンスプリング、４０…第
１切換ピン、４１…第２切換ピン、４２…規制ピ
ン、４３…油圧室、４４…通路、４５…油圧路、
４５ａ…横穴、４５ｂ…連通溝、４６…戻しばね
、４７…孔、４８…軸部、４９…凹部、５０…ス
プリングピン、５１，５２…溝条、５３，５４…
Ｏリング、６０…オイルパン、６１…オイルポン
プ、６２…リリーフ弁、６３…オイルフイルタ、
６４…オイルクーラ、６５…オイルギヤラリ、６
６…フイルタ、６７…切換弁。
Fig. 1 is a partially omitted perspective view of one cylinder in an engine according to an embodiment of the present invention, Fig. 2 is a perspective view of one valve train, Fig. 3 is a sectional view thereof, and Fig. 4 is a connection switching mechanism. FIG. 5 is a circuit diagram of the oil supply system. 1...engine, 2...intake passage, 3...exhaust passage,
20...Piston, 21...Combustion chamber, 22...Intake port,
23...exhaust port, 24...intake valve, 25...exhaust valve,
26... Spark plug, 27, 28... Valve spring, 30...
Camshaft, 31, 32...Low speed cam, 33...
High-speed cam, 34...Lotsuker shaft, 35...1st Lotsuker arm, 36...2nd Lotsuker arm,
37... Free rocker arm, 38... Tappet screw, 39... Lost motion spring, 40... First switching pin, 41... Second switching pin, 42... Regulation pin, 43... Hydraulic chamber, 44... Passage, 45... Hydraulic path,
45a... Lateral hole, 45b... Communication groove, 46... Return spring, 47... Hole, 48... Shaft, 49... Recess, 50... Spring pin, 51, 52... Groove, 53, 54...
O-ring, 60...Oil pan, 61...Oil pump, 62...Relief valve, 63...Oil filter,
64...Oil cooler, 65...Oil gear rally, 6
6...Filter, 67...Switching valve.
Claims (1)
フトに機関弁を開閉駆動する複数のロツカーアー
ムが枢支され、ロツカーアームには前記ロツカー
シヤフトの油圧路と連通する油圧室が形成され同
油圧室の内圧により隣接するロツカーアームを連
結または解除する連結切換機構を備える内燃機関
の動弁装置において、前記ロツカーシヤフトの前
記ロツカーアームの油圧室への油圧連通路を間に
してその両側摺動面に周方向に亘つて油圧リーク
防止手段を備えたことを特徴とするロツカーシヤ
フト構造。 A plurality of rocker arms for opening and closing the engine valve are pivotally supported on a fixed rocker shaft having a hydraulic path formed therein, and a hydraulic chamber communicating with the hydraulic path of the rocker shaft is formed in the rocker arm. In a valve train for an internal combustion engine that is equipped with a connection switching mechanism that connects or disconnects a rocker arm, hydraulic leakage is prevented in the circumferential direction on sliding surfaces on both sides of the rocker shaft, with a hydraulic communication path to the hydraulic chamber of the rocker arm in between. A rock shaft structure characterized by being equipped with means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1263689U JPH02105503U (en) | 1989-02-07 | 1989-02-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1263689U JPH02105503U (en) | 1989-02-07 | 1989-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02105503U true JPH02105503U (en) | 1990-08-22 |
Family
ID=31222251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1263689U Pending JPH02105503U (en) | 1989-02-07 | 1989-02-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02105503U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6131610A (en) * | 1984-07-24 | 1986-02-14 | Honda Motor Co Ltd | Valve operation pause device for internal-combustion engine |
| JPS6238402B1 (en) * | 1967-09-11 | 1987-08-18 | Crucible Inc |
-
1989
- 1989-02-07 JP JP1263689U patent/JPH02105503U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6238402B1 (en) * | 1967-09-11 | 1987-08-18 | Crucible Inc | |
| JPS6131610A (en) * | 1984-07-24 | 1986-02-14 | Honda Motor Co Ltd | Valve operation pause device for internal-combustion engine |
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