JPH0482332U - - Google Patents
Info
- Publication number
- JPH0482332U JPH0482332U JP12700790U JP12700790U JPH0482332U JP H0482332 U JPH0482332 U JP H0482332U JP 12700790 U JP12700790 U JP 12700790U JP 12700790 U JP12700790 U JP 12700790U JP H0482332 U JPH0482332 U JP H0482332U
- Authority
- JP
- Japan
- Prior art keywords
- screw member
- throttle valve
- butterfly
- carburetor
- adjustment device
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は本考案の蝶形絞り弁のアイドル開度調
整装置を示す図、第２図は従来構成の蝶形絞り弁
のアイドル開度調整装置を示す。
１……主吸気通路、２……蝶形絞り弁、３……
回動レバー、４……絞り弁回動軸、５……気化器
の筺体、６……めねじが形成されている気化器筺
体の孔、７ａ……第１の螺子部材、７ｂ……第２
の螺子部材、８……コイルスプリング、９……開
方向を示す矢印、１０……ロツクナツト。
FIG. 1 shows an idle opening adjustment device for a butterfly throttle valve according to the present invention, and FIG. 2 shows a conventional idle opening adjustment device for a butterfly throttle valve. 1... Main intake passage, 2... Butterfly throttle valve, 3...
Rotating lever, 4... Throttle valve rotating shaft, 5... Carburetor housing, 6... Hole of the carburetor housing in which a female thread is formed, 7a... First screw member, 7b... Number 2
8... Coil spring, 9... Arrow indicating opening direction, 10... Lock nut.
Claims (1)
よつて閉方向に付勢された蝶形絞り弁２のアイド
ル開度を、該蝶形絞り弁２と一体に回動する回動
レバー３に前記絞り弁２の閉弁を阻止する方向に
当接する螺子部材によつて調整する蝶形絞り弁の
アイドル開度調整装置であつて、前記気化器の筺
体５の、めねじが形成された孔６に螺合するおね
じが外周面に形成され、内周面にめねじが形成さ
れている中空筒状の第１の螺子部材７ａと；該第
１の螺子部材７ａのおねじと螺合して該第１の螺
子部材７ａを前記気化器の筺体５に固定するロツ
クナツト１０と；前記第１の螺子部材７ａの、め
ねじが形成されている内周面に螺合する第２の螺
子部材７ｂと；前記第１の螺子部材７ａの頭部７
ａ−２と前記第２の螺子部材７ｂの頭部７ｂ−１
との間に該第２の螺子部材７ｂと同心に配置され
たコイルスプリング８とからなり、前記回動レバ
ー３と前記第１の螺子部材７ａの端面７ａ−３と
を当接させ該第１の螺子部材７ａによつて前記蝶
形絞り弁２を、エンジンが回転を維持し得る最小
開度に調整後、前記第１の螺子部材７ａを前記ロ
ツクナツト１０によつて前記気化器の筺体５に固
定し、エンジンの停止を招くことなく前記第２の
螺子部材７ｂによる前記蝶形絞り弁２の適正なア
イドル開度調整を行うことができることを特徴と
する蝶形絞り弁のアイドル開度調整装置。 The idle opening of the butterfly-shaped throttle valve 2, which is disposed in the main intake passage 1 of the carburetor and is biased in the closing direction by a spring, is controlled by the rotating lever 3, which rotates together with the butterfly-shaped throttle valve 2, as described above. An idle opening adjustment device for a butterfly-shaped throttle valve that is adjusted by a screw member that abuts in a direction to prevent the throttle valve 2 from closing; a hollow cylindrical first screw member 7a having a male thread formed on its outer peripheral surface and a female thread formed on its inner peripheral surface; a lock nut 10 that fixes the first screw member 7a to the casing 5 of the carburetor; a second screw member that screws into the inner circumferential surface of the first screw member 7a on which a female thread is formed; 7b; head 7 of the first screw member 7a;
a-2 and the head 7b-1 of the second screw member 7b
and a coil spring 8 disposed concentrically with the second screw member 7b, and the rotary lever 3 and the end surface 7a-3 of the first screw member 7a are brought into contact with each other, and the first After adjusting the butterfly-shaped throttle valve 2 to the minimum opening degree at which the engine can maintain rotation using the screw member 7a, the first screw member 7a is attached to the carburetor casing 5 by the lock nut 10. An idle opening adjustment device for a butterfly throttle valve, characterized in that the idle opening adjustment device for the butterfly throttle valve 2 can be adjusted appropriately by the second screw member 7b without causing a stoppage of the engine. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12700790U JPH0482332U (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12700790U JPH0482332U (en) | 1990-11-29 | 1990-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0482332U true JPH0482332U (en) | 1992-07-17 |
Family
ID=31874530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12700790U Pending JPH0482332U (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0482332U (en) |
-
1990
- 1990-11-29 JP JP12700790U patent/JPH0482332U/ja active Pending
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