JPH0345405U - - Google Patents
Info
- Publication number
- JPH0345405U JPH0345405U JP9373990U JP9373990U JPH0345405U JP H0345405 U JPH0345405 U JP H0345405U JP 9373990 U JP9373990 U JP 9373990U JP 9373990 U JP9373990 U JP 9373990U JP H0345405 U JPH0345405 U JP H0345405U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- helical gear
- gear
- valve
- head cover
- 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 1
- UEXQBEVWFZKHNB-UHFFFAOYSA-N intermediate 29 Natural products C1=CC(N)=CC=C1NC1=NC=CC=N1 UEXQBEVWFZKHNB-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本実施例の概要を示す断面図、第２図
は第１図のシリンダヘツドカバーの下面図、第３
図は同前弁体の斜視図、第４図は作動説明図、第
５図は他の弁体の斜視図、第６図は第５図のＡ−
Ａ矢視図である。
１はクランク軸、５はシリンダ、６はシリンダ
ヘツドカバー、８は吸気口、９は排気口、１１は
弁体、１２は弁孔、１９は被動平歯ギア、２２は
点火栓、２３は中間平歯ギア、２９は駆動斜歯ギ
ア、３２は中間斜歯ギアを示す。
Figure 1 is a sectional view showing the outline of this embodiment, Figure 2 is a bottom view of the cylinder head cover in Figure 1, and Figure 3 is a bottom view of the cylinder head cover in Figure 1.
The figure is a perspective view of the same valve body, Figure 4 is an explanatory diagram of the operation, Figure 5 is a perspective view of another valve body, and Figure 6 is A--A in Figure 5.
It is a view from arrow A. 1 is a crankshaft, 5 is a cylinder, 6 is a cylinder head cover, 8 is an intake port, 9 is an exhaust port, 11 is a valve body, 12 is a valve hole, 19 is a driven spur gear, 22 is a spark plug, 23 is an intermediate 29 is a driving helical gear, and 32 is an intermediate helical gear.
Claims (1)
合せしめ、ヘツドカバーの所要位置に吸気口、排
気口を穿設すると共に点火栓を設け、前記弁体に
シリンダ内部に連通する弁孔を設け弁体の回転に
よつて吸気口、点火栓、排気口が順次弁孔と合致
する如くすると共にクランク軸と弁体の回転軸と
を弁体がクランク軸に対し２：１に減速される様
に連結し且連結途中に軸方向にスライド可能な斜
歯ギアと該斜歯ギアと同軸に固着した平歯ギアと
該平歯ギアに噛合する被動平歯ギア、前記斜歯ギ
アに噛合する駆動斜歯ギアからなるギア列と、前
記斜歯ギアの軸にカム溝を刻設し、該カム溝に嵌
合する案内棒とを備えたことを特徴とする４サイ
クルエンジンのバルブ構造。 A valve body is rotatably engaged with the head cover of the cylinder, an intake port and an exhaust port are provided at required positions on the head cover, and an ignition plug is provided, and a valve hole that communicates with the inside of the cylinder is provided in the valve body, and the valve body is rotated. The intake port, spark plug, and exhaust port are sequentially aligned with the valve hole, and the crankshaft and the rotating shaft of the valve body are connected so that the speed of the valve body is reduced by 2:1 with respect to the crankshaft. A helical gear that is slidable in the axial direction during connection, a spur gear fixed coaxially with the helical gear, a driven spur gear that meshes with the spur gear, and a driving helical gear that meshes with the helical gear. 1. A valve structure for a four-stroke engine, comprising: a gear train; a cam groove cut into the shaft of the helical gear; and a guide rod that fits into the cam groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9373990U JPH0345405U (en) | 1990-09-06 | 1990-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9373990U JPH0345405U (en) | 1990-09-06 | 1990-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0345405U true JPH0345405U (en) | 1991-04-26 |
Family
ID=31643107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9373990U Pending JPH0345405U (en) | 1990-09-06 | 1990-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0345405U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5058408A (en) * | 1973-09-25 | 1975-05-21 | ||
| JPS5110213A (en) * | 1974-07-12 | 1976-01-27 | Toyota Motor Co Ltd | KAITENSHIKIKYUHAIKIBENOSONAETA OFUKUDOSHIKINAINENKIKAN |
-
1990
- 1990-09-06 JP JP9373990U patent/JPH0345405U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5058408A (en) * | 1973-09-25 | 1975-05-21 | ||
| JPS5110213A (en) * | 1974-07-12 | 1976-01-27 | Toyota Motor Co Ltd | KAITENSHIKIKYUHAIKIBENOSONAETA OFUKUDOSHIKINAINENKIKAN |
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