JPH0128277Y2 - - Google Patents
Info
- Publication number
- JPH0128277Y2 JPH0128277Y2 JP6593482U JP6593482U JPH0128277Y2 JP H0128277 Y2 JPH0128277 Y2 JP H0128277Y2 JP 6593482 U JP6593482 U JP 6593482U JP 6593482 U JP6593482 U JP 6593482U JP H0128277 Y2 JPH0128277 Y2 JP H0128277Y2
- Authority
- JP
- Japan
- Prior art keywords
- lever
- valve
- valve shaft
- levers
- shafts
- 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.)
- Expired
Links
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
【考案の詳細な説明】
本考案は、同軸線上に配列した第１及び第２弁
軸と、これら弁軸と平行に配列した第３弁軸とを
備える多連気化器において、前記第１、第２及び
第３弁軸を的確且つスムーズに同期回転させるこ
とができ、且つ各弁軸間相互の回動方向の位相を
容易に調節することができるようにした、簡単有
効な弁軸連動装置を提供することを目的とする。
上記弁軸は絞弁やチヨーク弁の開閉用として用い
られるものである。[Detailed Description of the Invention] The present invention provides a multiple carburetor comprising first and second valve shafts arranged coaxially and a third valve shaft arranged parallel to these valve shafts. A simple and effective valve shaft interlocking device that allows the second and third valve shafts to rotate accurately and smoothly in synchronization, and also allows for easy adjustment of the mutual rotational phase between the valve shafts. The purpose is to provide
The above-mentioned valve shaft is used for opening and closing a throttle valve or a choke valve.
以下、図面により、本考案を絞弁開閉用弁軸の
連動装置に適用した一実施例について説明する
と、図示の多連気化器はトーチ点火式多気筒エン
ジン用であつて、右、左に並列する第１及び第２
主気化器C1，C2と、それらの中間部下方にこれ
らと並列して配置された１個の副気化器C3とよ
りなつている。第１及び第２主気化器C1，C2は、
それぞれの吸気道１1，１2で希薄混合気をつくり
多気筒エンジンの各対応する主燃焼室に供給し、
また副気化器C3は、その吸気道１3で濃厚混合気
をつくりエンジンの全副燃焼室に供給するもので
ある。 An embodiment in which the present invention is applied to a valve shaft interlocking device for opening and closing a throttle valve will be explained below with reference to the drawings. The first and second
It consists of main carburetors C 1 and C 2 and one auxiliary carburetor C 3 arranged in parallel with them below the middle. The first and second main carburetors C 1 and C 2 are
A lean mixture is created in each of the intake passages 1 1 and 1 2 and supplied to each corresponding main combustion chamber of the multi-cylinder engine,
The auxiliary carburetor C3 creates a rich air-fuel mixture in its intake passage 13 and supplies it to all the auxiliary combustion chambers of the engine.
第１及び第２主気化器C1，C2の気化器本体２1，
２2には、それらの吸気道１1，１2の中心を横切
つて互いに同軸線上に配列した第１及び第２弁軸
３1，３2がそれぞれ回転自在に支承され、第１弁
軸３1は外端に作動レバー４を備えている。第１
及び第２弁軸３1，３2には、これらの回動により
吸気道１1，１2を開閉し得るバタフライ形絞弁５
１，５2がそれぞれ固着される。 The carburetor bodies 2 1 of the first and second main carburetors C 1 , C 2 ,
2 2 , rotatably supports first and second valve shafts 3 1 and 3 2 which are arranged coaxially with each other across the centers of the intake passages 1 1 and 1 2 . 3 1 is equipped with an actuating lever 4 at the outer end. 1st
And on the second valve shafts 3 1 , 3 2 , there are butterfly type throttle valves 5 that can open and close the intake passages 1 1 , 1 2 by rotating these valve shafts.
1 and 5 2 are fixed respectively.
また副気化器C3の気化器本体２3にも、その吸
気道１3の中心を横切つて上記弁軸３1，３2と平
行に延びる第３弁軸３3が回転自在に支承され、
この弁軸３3に、その回動により吸気道１3を開閉
し得る絞弁５3が固着される。 Also, a third valve shaft 3 3 is rotatably supported in the carburetor main body 2 3 of the sub-carburetor C 3 and extends parallel to the valve shafts 3 1 and 3 2 across the center of the intake passage 1 3 . ,
A throttle valve 5 3 that can open and close the intake passage 1 3 by rotation thereof is fixed to this valve shaft 3 3 .
第１及び第２弁軸３1，３2の対向端には第１及
び第２レバー７1，７2がそれぞれ固着され、また
第３弁軸３3には第３レバー７3が固着される。 First and second levers 7 1 and 7 2 are fixed to opposite ends of the first and second valve shafts 3 1 and 3 2, respectively, and a third lever 7 3 is fixed to the third valve shaft 3 3 . Ru.
第１及び第２弁軸３1，３2は一定の間隔を置い
て配置され、その間に、第１弁軸３1の中心部か
ら突出して第２弁軸３2の中心部に回転自在に嵌
合する小径の中間軸６が配置される。この中間軸
６には２本のレバーアーム８1，８2を持つベルク
ランク形の中間レバー８が回転自在に支承され、
一方のレバーアーム８1にリンク９を介して第３
レバー７3が連結される。 The first and second valve shafts 3 1 , 3 2 are arranged at a constant interval, and between them, the valve shaft 3 1 protrudes from the center of the first valve shaft 3 1 and rotates freely to the center of the second valve shaft 3 2 . A small-diameter intermediate shaft 6 that fits is arranged. A bell crank-shaped intermediate lever 8 having two lever arms 8 1 and 8 2 is rotatably supported on the intermediate shaft 6.
A third lever arm 81 is connected to one lever arm 81 via a link 9.
Lever 73 is connected.
第１レバー７1は第１弁軸３1の軸方向に屈曲し
た一枚の連結片７1aを、また第２レバー７2は同
様に屈曲して相対向する一対の連結片７2a，７2b
をそれぞれ有し、第１及び第２レバー７1，７2の
回動方向において連結片７1aと連結片７2aとは対
向配置される。一対の連結片７2a，７2b間には中
間レバー８の他方のレバーアーム８2が挿入され、
このレバーアーム８2も両面を連結片７2a，７2bに
対向させる連結片８2aを有する。 The first lever 7 1 has a connecting piece 7 1a bent in the axial direction of the first valve shaft 3 1 , and the second lever 7 2 has a pair of connecting pieces 7 2a , 7 bent in the same way and facing each other. 2b
The connecting piece 7 1a and the connecting piece 7 2a are arranged to face each other in the rotating direction of the first and second levers 7 1 and 7 2 . The other lever arm 82 of the intermediate lever 8 is inserted between the pair of connecting pieces 72a and 72b ,
This lever arm 8 2 also has a connecting piece 8 2a with both sides facing the connecting pieces 7 2a and 7 2b .
第１レバー７1の連結片７1aには第１調節ねじ
１０1が螺合され、その先端部を第２レバー７2の
連結片７2aの切欠孔１１に緩挿する。このねじ１
０1には、連結片７2aを内外両側面より挟持する
固定挟持板１２と可動挟持板１３とが設けられ、
可動挟持板１３と連結片７1a間に第１圧縮ばね１
４1が介装される。したがつて、このばね１４1は
連結片７1a，７2aを相離反する方向に弾発すると
共に両挟持板１２，１３による連結片７2aの挟持
状態を保持する。これにより第１及び第２レバー
７1，７2間の回動方向の遊びは除去される。 A first adjusting screw 10 1 is screwed onto the connecting piece 7 1a of the first lever 7 1, and its tip is loosely inserted into the notch hole 11 of the connecting piece 7 2a of the second lever 7 2 . This screw 1
0 1 is provided with a fixed clamping plate 12 and a movable clamping plate 13 that clamp the connecting piece 7 2a from both inside and outside sides,
The first compression spring 1 is placed between the movable clamping plate 13 and the connecting piece 7 1a .
4 1 is interposed. Therefore, the spring 14 1 springs the connecting pieces 7 1a and 7 2a in opposite directions and maintains the clamping state of the connecting piece 7 2a between the clamping plates 12 and 13. This eliminates play between the first and second levers 7 1 and 7 2 in the rotational direction.
また、第２レバー７2の連結片７2aには第２調
節ねじ１０2が螺合され、その先端を中間レバー
８の連結片８2aに当接させる。この連結片８2aと
第２レバー７2の別の連結片７2b間に第２圧縮ば
ね１４2が介装される。したがつて、このばね１
４2は連結片７2b，８2aを相離反する方向に弾発し
て、連結片８2aを第２調節ねじ１０2との圧接状
態に保持する。これにより第２レバー７2及び中
間レバー８の回動方向の遊びは除去される。 Further, a second adjusting screw 10 2 is screwed into the connecting piece 7 2a of the second lever 7 2 , and its tip is brought into contact with the connecting piece 8 2a of the intermediate lever 8. A second compression spring 14 2 is interposed between this connecting piece 8 2a and another connecting piece 7 2b of the second lever 7 2 . Therefore, this spring 1
4 2 springs the connecting pieces 7 2b and 8 2a in opposite directions to hold the connecting piece 8 2a in pressure contact with the second adjusting screw 10 2 . This eliminates the play in the rotational direction of the second lever 72 and the intermediate lever 8.
前記ばね１４1，１４2は、いずれも弁軸３1，
３2，３3に通常加えられる回動力により圧縮変形
されない強さを有する。 The springs 14 1 and 14 2 are both connected to the valve shafts 3 1 and 14 2 .
It has the strength to not be compressed and deformed by the rotational force normally applied to 3 2 and 3 3 .
前記第１及び第２調節ねじ１０1，１０2には、
連結片７1a，７2aとの各螺合部の緩みを防止する
ためのロツクナツト１５1，１５2が付設される。 The first and second adjustment screws 10 1 and 10 2 include
Lock nuts 15 1 and 15 2 are provided to prevent loosening of the threaded portions with the connecting pieces 7 1a and 7 2a .
而して、作動レバー４の回動操作により、第１
弁軸３1を第２図の矢印ａ方向に回動すれば、そ
の回動力は、第１レバー７1から第１調節ねじ１
０1、固定挟持板１２及び第２レバー７2の連結片
７2aを介して第２弁軸３2に確実に伝達され、ま
た同時に第２レバー７2の連結片７2bから第２圧
縮ばね１４2、中間レバー８、リンク９及び第３
レバー７3を介して第３弁軸３3に確実に伝達さ
れ、これによつて３個の絞弁５1，５2，５3は同
時に開かれる。 Thus, by rotating the operating lever 4, the first
When the valve shaft 3 1 is rotated in the direction of arrow a in FIG. 2, the rotation force is transferred from the first lever 7 1 to the first adjusting screw 1
0 1 , is reliably transmitted to the second valve shaft 3 2 via the fixed clamping plate 12 and the connecting piece 7 2a of the second lever 7 2 , and at the same time, is transmitted from the connecting piece 7 2b of the second lever 7 2 to the second compression spring. 14 2 , intermediate lever 8, link 9 and third
It is reliably transmitted to the third valve shaft 3 3 via the lever 7 3 , whereby the three throttle valves 5 1 , 5 2 , 5 3 are opened simultaneously.
これとは反対に、第１弁軸３1を第２図の矢印
ｂ方向に回動すれば、その回動力は第１レバー７
１から第１圧縮ばね１４1及び第２レバー７2の連
結片７2aを介して第２弁軸３2に確実に伝達され、
また同時に第２レバー７2の連結片７2aから第２
調節ねじ１０2、中間レバー８、リンク９及び第
３レバー７3を介して第３弁軸３3に確実に伝達さ
れ、これによつて３個の絞弁５1，５2，５3は同
時に閉じられる。 On the contrary, if the first valve shaft 31 is rotated in the direction of arrow b in FIG.
1 to the second valve shaft 3 2 through the first compression spring 14 1 and the connecting piece 7 2a of the second lever 7 2 ,
At the same time, from the connecting piece 7 2a of the second lever 7 2 to the second
It is reliably transmitted to the third valve shaft 3 3 via the adjusting screw 10 2 , the intermediate lever 8, the link 9 and the third lever 7 3 , whereby the three throttle valves 5 1 , 5 2 , 5 3 are closed at the same time.
このような絞弁５1，５2，５3を開閉時、第１、
第２弁軸３1，３2及び中間軸６相互に製作誤差に
よる偏心があつても、それらの偏心は、切欠孔１
１での第１調節ねじ１０1の横移動、挟持板１２，
１３と連結片７2a間の滑り、第２調節ねじ１０2
と連結片８2a間の滑り等により吸収されるので、
上記の開閉はスムーズに行われる。 When opening and closing such throttle valves 5 1 , 5 2 , 5 3 , the first,
Even if there is eccentricity between the second valve shafts 3 1 , 3 2 and the intermediate shaft 6 due to manufacturing errors, these eccentricities will be
1, the lateral movement of the first adjusting screw 10 1 , the clamping plate 12,
Sliding between 13 and connecting piece 7 2a , second adjustment screw 10 2
It is absorbed by the slippage between the connecting piece 8 2a and the connecting piece 8 2a .
The opening and closing described above is performed smoothly.
第１及び第２主気化器C1，C2の絞弁５1，５2の
同調が狂つている場合には、第１調節ねじ１０1
を右または左に回わして、第１圧縮ばね１４1を
縮めたり伸ばしたりすれば、第１及び第２レバー
７1，７2間の位相が変わり、第１及び第２弁軸３
１，３2が相対的に角変位を生じるので、絞弁５1，
５2の開度を一致させ、同調状態が得られる。 If the throttle valves 5 1 , 5 2 of the first and second main carburetors C 1 , C 2 are out of synchronization, the first adjusting screw 10 1
If the first compression spring 14 1 is compressed or expanded by turning it clockwise or counterclockwise, the phase between the first and second levers 7 1 and 7 2 changes, and the first and second valve shafts 3
1 and 3 2 cause a relative angular displacement, so the throttle valves 5 1 ,
By matching the opening degrees of 5 and 2 , a state of synchronization can be obtained.
また、第２主気化器C2の絞弁５2に対する副気
化器C3の絞弁５3の開度比が狂つている場合には、
第２調節ぬじ１０2を右または左に回わして、第
２圧縮ばね１４2を縮めたり伸ばしたりすれば、
第２レバー７2及び中間レバー８間の位相が変わ
り、第２及び第３弁軸３2，３3が相対的に角変位
を生じるので、上記開度比を適正に調節すること
ができる。 Furthermore, if the opening ratio of the throttle valve 5 3 of the sub-carburizer C 3 to the throttle valve 5 2 of the second main carburetor C 2 is out of order,
By turning the second adjustment screw 102 to the right or left, the second compression spring 142 can be compressed or expanded.
Since the phase between the second lever 7 2 and the intermediate lever 8 changes, and the second and third valve shafts 3 2 and 3 3 undergo relative angular displacement, the opening ratio can be adjusted appropriately.
尚、この実施例では第１弁軸３1に作動レバー
４を固設して該弁軸を駆動側にしたが、第２弁軸
３2または第３弁軸３3を駆動側にすることもでき
る。 In this embodiment, the operating lever 4 is fixed to the first valve shaft 3 1 to make the valve shaft the drive side, but the second valve shaft 3 2 or the third valve shaft 3 3 may be the drive side. You can also do it.
以上のように本考案によれば、同軸線上に配列
した第１及び第２弁軸３1，３2と、これら弁軸３
１，３2と平行に配列した第３弁軸３3とを備える
多連気化器において、前記第１及び第２弁軸３1，
３2に第１及び第２レバー７1，７2を固設し、ま
た前記第３弁軸３3に第３レバー７3を固設し、こ
の第３レバー７3を、前記第１及び第２弁軸３1，
３2と同軸線周りに回動自在に配置された中間レ
バー８にリンク９を介して連結し、前記第１及び
第２レバー７1，７2を、これらの回動方向の位相
を相対的に調節し得る第１調節ねじ１０1を介し
て連結すると共にこれら第１及び第２レバー７1，
７2間にこれらの回動方向の遊びを除去する第１
圧縮ばね１４1を介装し、また前記第２レバー７2
及び中間レバー８を、これらの回動方向の位相を
相対的に調節し得る第２調節ねじ１０2を介して
連結すると共にこれら第２レバー７2及び中間レ
バー８間にこれらの回動方向の遊びを除去する第
２圧縮ばね１４2を介装したので、各弁軸３1，３
２，３3間の回動方向の遊びが除去されると共に第
１、第２レバー７1，７2及び中間レバー８相互の
偏心が許容され、したがつて、すべての弁軸３1，
３2，３3を的確且つスムーズに同期回動させるこ
とができ、また第１及び第２調節ねじ１０1，１
０2の螺回操作により各弁軸３1，３2，３3相互の
回動方向の位相を容易に調節することができる。
しかも、第２レバー７2は第１レバー７1及び中間
レバー８の二者との連結に供されるから、部品点
数が少なく構造が簡単である。 As described above, according to the present invention, the first and second valve shafts 3 1 and 3 2 arranged on the same axis, and the valve shafts 3
1 , 3 2 and a third valve shaft 3 3 arranged in parallel, the first and second valve shafts 3 1 ,
3 2 with first and second levers 7 1 , 7 2 fixedly installed, and a third lever 7 3 fixedly installed with the third valve shaft 3 3 , and this third lever 7 3 is connected to the first and second levers 7 3 . Second valve shaft 3 1 ,
The first and second levers 7 1 and 7 2 are connected to an intermediate lever 8 rotatably disposed about the same axis as the first lever 7 1 and 7 2 through a link 9 so that the phases of their rotational directions are relative to each other. These first and second levers 7 1 are connected via a first adjusting screw 10 1 that can be adjusted to
7. The first step to remove play in the rotational direction between the two
A compression spring 14 1 is interposed, and the second lever 7 2
and the intermediate lever 8 are connected via a second adjustment screw 10 2 that can relatively adjust the phase of these rotational directions, and there is a connection between the second lever 7 2 and the intermediate lever 8 in the rotational direction. Since the second compression spring 14 2 is installed to eliminate play, each valve shaft 3 1 , 3
The rotational play between the valve shafts 3 1 , 3 3 is eliminated, and eccentricity between the first and second levers 7 1 , 7 2 and the intermediate lever 8 is allowed.
3 2 and 3 3 can be accurately and smoothly rotated synchronously, and the first and second adjusting screws 10 1 and 1
The mutual rotational phase of the valve shafts 3 1 , 3 2 , 3 3 can be easily adjusted by the 0 2 screw operation.
Furthermore, since the second lever 72 is used for connection with the first lever 71 and the intermediate lever 8, the number of parts is small and the structure is simple.
第１図は本考案弁軸連動装置を備えた多連気化
器の横断正面図、第２図は第１図の−線断面
図、第３図は本考案弁軸連動装置の分解斜視図で
ある。
C1，C2……第１、第２主気化器、C3……副気
化器、３1〜３3……第１〜第３弁軸、６……中間
軸、７1〜７3……第１〜第３レバー、７1a，７2a，
７2b……連結片、８……中間レバー、８2a……連
結片、９……リンク、１０1，１０2……第１、第
２調節ねじ、１２……固定挟持板、１３……可動
挟持板、１４1，１４2……第１、第２圧縮ばね。
Fig. 1 is a cross-sectional front view of a multiple carburetor equipped with the valve shaft interlocking device of the present invention, Fig. 2 is a sectional view taken along the line - - of Fig. 1, and Fig. 3 is an exploded perspective view of the valve shaft interlocking device of the present invention. be. C1 , C2 ...First and second main carburetors, C3 ...Sub carburetor, 31 to 33 ...First to third valve shafts, 6...Intermediate shaft, 71 to 73 ...First to third levers, 7 1a , 7 2a ,
7 2b ... Connection piece, 8 ... Intermediate lever, 8 2a ... Connection piece, 9 ... Link, 10 1 , 10 2 ... First and second adjustment screws, 12 ... Fixed clamping plate, 13 ... Movable clamping plate, 14 1 , 14 2 ...first and second compression springs.
Claims (1)
と、これら弁軸３1，３2と平行に配列した第３弁
軸３3とを備える多連気化器において、前記第１
及び第２弁軸３1，３2に第１及び第２レバー７1，
７2を固設し、また前記第３弁軸３3に第３レバー
７3を固設し、この第３レバー７3を、前記第１及
び第２弁軸３1，３2と同軸線周りに回動自在に配
置された中間レバー８にリンク９を介して連結
し、前記第１及び第２レバー７1，７2を、これら
の回動方向の位相を相対的に調節し得る第１調節
ねじ１０1を介して連結すると共にこれら第１及
び第２レバー７1，７2間にこれらの回動方向の遊
びを除去する第１圧縮ばね１４1を介装し、また
前記第２レバー７2及び中間レバー８を、これら
の回動方向の位相を相対的に調節し得る第２調節
ねじ１０2を介して連結すると共にこれら第２レ
バー７2及び中間レバー８間にこれらの回動方向
の遊びを除去する第２圧縮ばね１４2を介装して
なる、多連気化器の弁軸連動装置。 First and second valve shafts 3 1 , 3 2 arranged on the same axis
and a third valve shaft 3 3 arranged in parallel with these valve shafts 3 1 and 3 2 , wherein the first
and the first and second levers 7 1 to the second valve shafts 3 1 , 3 2 ,
7 2 is fixed, and a third lever 7 3 is fixed to the third valve shaft 3 3 , and this third lever 7 3 is coaxial with the first and second valve shafts 3 1 and 3 2 . A second lever is connected via a link 9 to an intermediate lever 8 rotatably arranged around the first lever 7 and the second lever 7 1 and the second lever 7 2 is connected to the intermediate lever 8 rotatably arranged around the intermediate lever 8, and the first and second levers 7 1 and 7 2 can be relatively adjusted in phase in their rotation directions. A first compression spring 14 1 is interposed between the first and second levers 7 1 and 7 2 to remove play in the rotational direction, and the first and second levers 7 1 and 7 2 are connected via an adjusting screw 10 1 . The lever 7 2 and the intermediate lever 8 are connected via a second adjustment screw 10 2 that can relatively adjust the phase of their rotational directions, and the rotational direction is connected between the second lever 7 2 and the intermediate lever 8. A valve shaft interlocking device for a multiple carburetor, which includes a second compression spring 142 that eliminates play in the moving direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6593482U JPS58167745U (en) | 1982-05-06 | 1982-05-06 | Multiple carburetor valve shaft interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6593482U JPS58167745U (en) | 1982-05-06 | 1982-05-06 | Multiple carburetor valve shaft interlocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58167745U JPS58167745U (en) | 1983-11-09 |
| JPH0128277Y2 true JPH0128277Y2 (en) | 1989-08-29 |
Family
ID=30075854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6593482U Granted JPS58167745U (en) | 1982-05-06 | 1982-05-06 | Multiple carburetor valve shaft interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58167745U (en) |
-
1982
- 1982-05-06 JP JP6593482U patent/JPS58167745U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58167745U (en) | 1983-11-09 |
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