JPS61122329U - - Google Patents
Info
- Publication number
- JPS61122329U JPS61122329U JP564785U JP564785U JPS61122329U JP S61122329 U JPS61122329 U JP S61122329U JP 564785 U JP564785 U JP 564785U JP 564785 U JP564785 U JP 564785U JP S61122329 U JPS61122329 U JP S61122329U
- Authority
- JP
- Japan
- Prior art keywords
- rack
- bearing bushing
- sliding
- shaft portion
- insertion hole
- 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.)
- Granted
Links
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図はこの考案の一実施例を示す２サイクル
エンジンの右側面図、第２図は高回転時における
第１図−線断面図、第３図は低回転時におけ
る第１図の第−線断面図、４図は高回転時に
おける第１図−線断面図、第５図は第４図
−線断面図、第６図はこの考案の他の実施例を
示す横断面図、第７図は従来の排気制御装置の一
例を高回転時において示す説明図、第８図は第７
図に示す排気制御装置において開閉バルブの回転
駆動装置の一例を示す説明図、第９図は従来の排
気制御装置の一例を低回転時において示す説明図
、第１０図は第９図に示す排気制御装置において
開閉バルブの回転駆動装置の一例を示す説明図で
ある。
２……シリンダブロツク（基台）、１４……バ
ルブピニオン、１５……駆動ラツク、１６……摺
動軸部、１７……ラツク摺動孔、３５……ラツク
挿通孔。
Fig. 1 is a right side view of a two-stroke engine showing an embodiment of this invention, Fig. 2 is a sectional view taken along the line - Fig. 1 at high speed, and Fig. 3 is a cross-sectional view taken along the line - - of Fig. 1 at low speed. 4 is a cross-sectional view taken along the line taken from FIG. 1 during high rotation, FIG. 5 is a cross-sectional view taken taken along the line taken from FIG. 4, and FIG. The figure is an explanatory diagram showing an example of a conventional exhaust control device at high rotation speed.
FIG. 9 is an explanatory diagram showing an example of a rotary drive device for an opening/closing valve in the exhaust control device shown in FIG. 9. FIG. 9 is an explanatory diagram showing an example of a conventional exhaust control device at low rotation speed. FIG. It is an explanatory view showing an example of the rotational drive device of the opening-and-closing valve in a control device. 2... Cylinder block (base), 14... Valve pinion, 15... Drive rack, 16... Sliding shaft portion, 17... Rack sliding hole, 35... Rack insertion hole.
Claims (1)
通孔における一側に、ラツク軸受ブツシユを、他
側に、ラツク摺動孔を設けるとともに、上記ラツ
ク軸受ブツシユに摺動自在に支持され一端に上記
ラツク摺動孔内で摺動する摺動軸部を有する駆動
ラツクを、上記バルブピニオンに噛み合わせ、上
記摺動軸部の外周部を、ラツク軸心方向の縦断面
において曲面状に膨出する形状としてなる駆動ラ
ツク装置。 A rack insertion hole is formed in the base, a rack bearing bushing is provided on one side of the rack insertion hole, a rack sliding hole is provided on the other side, and a rack bearing bushing is slidably supported by the rack bearing bushing at one end. A drive rack having a sliding shaft portion that slides in the rack sliding hole is engaged with the valve pinion, and the outer peripheral portion of the sliding shaft portion is bulged into a curved shape in a longitudinal section in the direction of the rack axis. A drive rack device that takes the form of a
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP564785U JPH0238030Y2 (en) | 1985-01-18 | 1985-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP564785U JPH0238030Y2 (en) | 1985-01-18 | 1985-01-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61122329U true JPS61122329U (en) | 1986-08-01 |
| JPH0238030Y2 JPH0238030Y2 (en) | 1990-10-15 |
Family
ID=30482342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP564785U Expired JPH0238030Y2 (en) | 1985-01-18 | 1985-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0238030Y2 (en) |
-
1985
- 1985-01-18 JP JP564785U patent/JPH0238030Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0238030Y2 (en) | 1990-10-15 |
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