JPH0317155U - - Google Patents
Info
- Publication number
- JPH0317155U JPH0317155U JP7683789U JP7683789U JPH0317155U JP H0317155 U JPH0317155 U JP H0317155U JP 7683789 U JP7683789 U JP 7683789U JP 7683789 U JP7683789 U JP 7683789U JP H0317155 U JPH0317155 U JP H0317155U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- exhaust passage
- opening
- attached
- closing
- 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
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は本考案の実施例を示す側断面図、第２
図乃至第４図は従来機構の３例を示す各側断面図
である。
１……排気通路、２ａ，２ｂ……内管、３……
バルブ軸、４……開閉バルブ、５……作動レバー
、６……作動ワイヤー、７……リターンスプリン
グ、７ａ，７ｂ……端部。
Fig. 1 is a side sectional view showing an embodiment of the present invention;
Figures 4 through 4 are side sectional views showing three examples of conventional mechanisms. 1... Exhaust passage, 2a, 2b... Inner pipe, 3...
Valve shaft, 4... Opening/closing valve, 5... Operating lever, 6... Operating wire, 7... Return spring, 7a, 7b... End portion.
Claims (1)
タフライ型の開閉バルブ４を設け、該開閉バルブ
４のバルブ軸３を排気通路１外へ突出させ、該バ
ルブ軸３の突出端に作動レバー５を固設し、該作
動レバー５に、これを回転して前記開閉バルブ４
を開閉制御する駆動手段を連設し、前記バルブ軸
３の外周部に、前記排気通路１側に固定した固定
側のスプリング用内管２ａと、前記作動レバー５
側に固設した回動側のスプリング用内管２ｂとを
、相互に分離して嵌合配設し、更にこれら両内管
２ａ，２ｂの外周部にはコイル状のリターンスプ
リング７を、その一端を排気通路１側に固定し、
他端を作動レバー５側に係止し設けたことを特徴
とする内燃機関の排気系用開閉バルブ機構。 A butterfly-type on-off valve 4 for opening and closing the exhaust passage 1 to be opened and closed is provided, a valve shaft 3 of the on-off valve 4 projects outside the exhaust passage 1, and an operating lever 5 is attached to the protruding end of the valve shaft 3. is fixedly mounted on the operating lever 5, and rotated to open and close the opening/closing valve 4.
A driving means for controlling opening and closing is arranged in series, and a fixed-side spring inner tube 2a fixed to the exhaust passage 1 side is attached to the outer circumference of the valve shaft 3, and the actuation lever 5
An inner tube 2b for a spring on the rotating side is fixedly attached to the inner tube 2a, and a coiled return spring 7 is attached to the outer periphery of both inner tubes 2a and 2b. Fix one end to the exhaust passage 1 side,
An opening/closing valve mechanism for an exhaust system of an internal combustion engine, characterized in that the other end is locked to the operating lever 5 side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7683789U JPH0317155U (en) | 1989-06-29 | 1989-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7683789U JPH0317155U (en) | 1989-06-29 | 1989-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0317155U true JPH0317155U (en) | 1991-02-20 |
Family
ID=31618662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7683789U Pending JPH0317155U (en) | 1989-06-29 | 1989-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317155U (en) |
-
1989
- 1989-06-29 JP JP7683789U patent/JPH0317155U/ja active Pending