JPS63126504U - - Google Patents
Info
- Publication number
- JPS63126504U JPS63126504U JP1903987U JP1903987U JPS63126504U JP S63126504 U JPS63126504 U JP S63126504U JP 1903987 U JP1903987 U JP 1903987U JP 1903987 U JP1903987 U JP 1903987U JP S63126504 U JPS63126504 U JP S63126504U
- Authority
- JP
- Japan
- Prior art keywords
- lifter
- cam
- engine
- biasing member
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は本考案の一実施例に係るエンジンの動
弁装置を適用したエンジンの要部を拡大して示す
縦断面図、第２図は本考案の付勢部材の具体的構
造を示す斜視図、第３図はリフタと付勢部材の挙
動を示す概略説明図であり、ａはリフタと付勢部
材間が離間している状態を示す図、ｂはリフタ端
部と付勢部材端部とが当接した状態を示す図、ｃ
は付勢部材端部がリフタ表面に乗り上げた状態を
示す図、第４図は吸・排気弁のジヤンピング現象
を理論弁リフトと比較して示す図、第５図、第６
図および第７図は弁の作動特性図を示すものであ
り、第５図はカム作用角と弁リフトとの関係を示
す図、第６図はカム作用角と弁速度との関係を示
す図、第７図はカム作用角の弁加速度との関係を
示す図、第８図は従来の動弁装置を示す要部縦断
面図である。
１…カムシヤフト、２…カム、３…リフタ、３
１…リフタ端部、４…シリンダヘツド（エンジン
本体）、５…リフタ穴、６…吸・排気弁、２０…
付勢部材。
FIG. 1 is an enlarged vertical cross-sectional view showing the main parts of an engine to which an engine valve train according to an embodiment of the present invention is applied, and FIG. 2 is a perspective view showing the specific structure of the biasing member of the present invention. 3 are schematic explanatory diagrams showing the behavior of the lifter and the biasing member, where a shows a state in which the lifter and the biasing member are separated, and b shows the end of the lifter and the end of the biasing member. A diagram showing a state in which the and c are in contact with each other, c
Figure 4 shows the state in which the end of the biasing member rides on the lifter surface, Figure 4 shows the jumping phenomenon of the intake and exhaust valves in comparison with the theoretical valve lift, Figures 5 and 6
7 and 7 show the operating characteristics of the valve, FIG. 5 shows the relationship between the cam operating angle and valve lift, and FIG. 6 shows the relationship between the cam operating angle and valve speed. , FIG. 7 is a diagram showing the relationship between the cam operating angle and the valve acceleration, and FIG. 8 is a longitudinal cross-sectional view of a main part of a conventional valve operating system. 1...Camshaft, 2...Cam, 3...Lifter, 3
1... Lifter end, 4... Cylinder head (engine body), 5... Lifter hole, 6... Intake/exhaust valve, 20...
Biasing member.
Claims (1)
吸・排気弁を開閉駆動するエンジンの動弁装置に
おいて、 エンジン本体に設けたリフタ穴に摺動可能に挿
入され、カムの回転運動を直線運動に変換して吸
・排気弁の開閉を可能にするリフタを備え、この
リフタの端部とエンジン本体との間に、リフタを
カムとの当接方向に付勢する付勢部材を介装した
ことを特徴とするエンジンの動弁装置。[Scope of Claim for Utility Model Registration] In an engine valve train that opens and closes intake and exhaust valves using a cam that is integrally provided on the camshaft, the cam is slidably inserted into a lifter hole provided in the engine body, and the cam rotates. A biasing member is provided between the end of the lifter and the engine body, and biases the lifter in the direction of contact with the cam. A valve train for an engine, characterized in that it is equipped with a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1903987U JPS63126504U (en) | 1987-02-11 | 1987-02-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1903987U JPS63126504U (en) | 1987-02-11 | 1987-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63126504U true JPS63126504U (en) | 1988-08-18 |
Family
ID=30813274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1903987U Pending JPS63126504U (en) | 1987-02-11 | 1987-02-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63126504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100262090B1 (en) * | 1997-12-30 | 2000-07-15 | 정몽규 | Locker arm of valve of a car |
-
1987
- 1987-02-11 JP JP1903987U patent/JPS63126504U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100262090B1 (en) * | 1997-12-30 | 2000-07-15 | 정몽규 | Locker arm of valve of a car |
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