JP2000345864A - Take throttle valve device - Google Patents
Take throttle valve deviceInfo
- Publication number
- JP2000345864A JP2000345864A JP11152325A JP15232599A JP2000345864A JP 2000345864 A JP2000345864 A JP 2000345864A JP 11152325 A JP11152325 A JP 11152325A JP 15232599 A JP15232599 A JP 15232599A JP 2000345864 A JP2000345864 A JP 2000345864A
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- lever
- transmission lever
- valve shaft
- throttle
- 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
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、絞弁軸の端部に
固着されているとともに絞弁を閉弁方向に付勢する絞弁
レバーを備えた吸気絞弁装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intake throttle device having a throttle lever fixed to an end of a throttle valve shaft and for urging the throttle valve in a valve closing direction.
【０００２】[0002]
【従来の技術】図５は従来の吸気絞弁装置の正面図、図
６は図５の吸気絞弁装置の断面図であり、吸気絞弁装置
は、内部に吸気通路２が形成されたボディ１を貫通した
絞弁軸３と、この絞弁軸３に固定された絞弁４と、絞弁
軸３に固定された絞弁レバー５と、絞弁軸３を囲んで２
重に配設された第１のねじりばね６及び第２のねじりば
ね７と、第１のねじりばね６と第２のねじりばね７との
間に設けれ、ねじりばね６、７相互の接触または干渉を
防止するスリーブ８と、絞弁軸３の端部に固着されアク
セル操作力がワイヤー（図示せず）を介して伝達される
アクセル伝達レバー９とを備えている。第１のねじりば
ね６及び第２のねじりばね７はともに一端部がボディ１
に係止され、他端部が絞弁レバー５に係止されており、
両ねじりばね６、７の弾性力はともに絞弁レバー５、絞
弁軸３を介して絞弁４を閉じる方向に付勢している。2. Description of the Related Art FIG. 5 is a front view of a conventional intake throttle valve device, and FIG. 6 is a sectional view of the intake throttle valve device shown in FIG. 5. The intake throttle valve device has a body in which an intake passage 2 is formed. 1, a throttle valve 4 fixed to the throttle valve shaft 3, a throttle valve lever 5 fixed to the throttle valve shaft 3, and 2 surrounding the throttle valve shaft 3.
A first torsion spring 6 and a second torsion spring 7 which are arranged in a heavy manner, and are provided between the first torsion spring 6 and the second torsion spring 7; A sleeve 8 for preventing interference and an accelerator transmission lever 9 fixed to an end of the throttle valve shaft 3 and transmitting an accelerator operation force via a wire (not shown) are provided. One end of each of the first torsion spring 6 and the second torsion spring 7 is
, And the other end is locked to the throttle valve 5,
The elastic force of both torsion springs 6 and 7 urges throttle valve 4 in the direction of closing throttle valve 4 via throttle valve lever 5 and throttle valve shaft 3.
【０００３】絞弁軸３は、図７に示すように、断面小判
形状の端部３ａを有しており、この端部３ａが絞弁レバ
ー５の小判形状の圧入孔５ａ（図９（Ａ）、図９（Ｂ）
参照）及びアクセル伝達レバー９の小判形状の圧入孔９
ａ（図８（Ａ）、図８（Ｂ）参照）に圧入し、かつナッ
ト１０が端部３ａに螺着されて、絞弁軸３、絞弁レバー
５及びアクセル伝達レバー９が一体化されている。As shown in FIG. 7, the throttle valve shaft 3 has an end 3a having an oval cross section, and the end 3a is formed into an oval press-fit hole 5a of the throttle valve 5 (see FIG. 9A). ), FIG. 9 (B)
Oval press-fit hole 9 of accelerator transmission lever 9
a (see FIGS. 8 (A) and 8 (B)), and a nut 10 is screwed to the end 3a, so that the throttle valve shaft 3, the throttle valve lever 5, and the accelerator transmission lever 9 are integrated. ing.
【０００４】上記構成の吸気絞弁装置では、運転者がア
クセルペダルの踏み込み量を加減することで、ワイヤ
ー、アクセル伝達レバー９を介して絞弁４が開弁位置に
維持している力が低下し、第１及び第２のねじりばね
６、７の弾性力で、絞弁４がアクセル伝達レバー９から
の力の変動に追従して閉弁方向に動作し、最終的には絞
弁４は全閉位置（内燃機関のアイドル運転時）で停止す
る。なお、ボディ１に固定された受け台１２に螺着され
たスクリュー１１が絞弁レバー５の端部５ａに当接して
絞弁４の全閉位置は定められている。ところで、内燃機
関の回転速度を運手者のアクセル操作に対応して正確に
制御するには絞弁４には十分な閉弁力を付与する必要性
があり、また安全性から絞弁軸３を囲って２重の第１及
び第２のねじりばね６、７が設けられている。従って、
何かの理由で一方の第１のねじりばね６、または第２の
ねじりばね７が破損した場合、閉弁方向の弾性力が半減
するものの、他方の第２のねじりばね７または第１のね
じりばね６の弾性力で絞弁４は全閉位置に戻される。In the intake throttle device having the above structure, the driver maintains the throttle valve 4 at the valve-opening position via the wire and the accelerator transmission lever 9 by reducing the amount of depression of the accelerator pedal. Then, the throttle valve 4 operates in the valve closing direction by following the fluctuation of the force from the accelerator transmission lever 9 by the elastic force of the first and second torsion springs 6 and 7, and finally the throttle valve 4 It stops at the fully closed position (during idle operation of the internal combustion engine). The fully closed position of the throttle valve 4 is determined by the screw 11 screwed to the receiving base 12 fixed to the body 1 abutting on the end 5a of the throttle valve lever 5. By the way, in order to accurately control the rotation speed of the internal combustion engine in accordance with the accelerator operation of the operator, it is necessary to apply a sufficient valve closing force to the throttle valve 4. Are provided with double first and second torsion springs 6 and 7. Therefore,
If one of the first torsion springs 6 or the second torsion spring 7 is broken for any reason, the elastic force in the valve closing direction is reduced by half, but the other second torsion spring 7 or the first torsion is used. The throttle valve 4 is returned to the fully closed position by the elastic force of the spring 6.
【０００５】[0005]
【発明が解決しようとする課題】上記の吸気絞弁装置で
は、絞弁レバー５は、絞弁４を閉じる方向に作用した第
１のねじりばね６及び第２のねじりばね７の弾性力を絞
弁軸３を介して絞弁４に伝達し、かつ絞弁４の全閉位置
を定めるために絞弁軸３に固定されている。また、アク
セル伝達レバー９も運転者のアクセルペダルの踏み込み
に絞弁４が追随するようにするために絞弁軸３に固定さ
れている。ところで、エンジンルーム内の吸気絞弁装置
のレイアウトが異なると、アクセル伝達レバー９からの
ワイヤーの引き出し方向も異なる。そのため、絞弁軸３
の端部３ａに圧入、固定され、絞弁レバー５と一体化さ
れたアクセル伝達レバー９では、ワイヤーの引き出し方
向に適用した圧入孔９ａを有するアクセル伝達レバー９
を特別に用意しなければならないという問題点があっ
た。In the above-described intake throttle valve device, the throttle valve 5 throttles the elastic force of the first torsion spring 6 and the second torsion spring 7 acting in the direction to close the throttle valve 4. It is transmitted to the throttle valve 4 via the valve shaft 3 and is fixed to the throttle valve shaft 3 to determine the fully closed position of the throttle valve 4. The accelerator transmission lever 9 is also fixed to the throttle valve shaft 3 so that the throttle valve 4 follows the depression of the accelerator pedal by the driver. When the layout of the intake throttle device in the engine room is different, the direction in which the wire is pulled out from the accelerator transmission lever 9 is also different. Therefore, the throttle valve 3
In the accelerator transmission lever 9 which is press-fitted and fixed to the end 3a of the throttle transmission lever 9 and is integrated with the throttle valve lever 5, the accelerator transmission lever 9 having a press-fitting hole 9a applied in the wire drawing direction
Had to be prepared specially.
【０００６】この発明は、かかる問題点を解決すること
を課題とするものであって、例えばワイヤーの引き出し
方向が異なるときでも共通のアクセル伝達レバーを用い
ることができる吸気絞弁装置を得ることを目的とするも
のである。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and to provide an intake throttle valve device which can use a common accelerator transmission lever even when a wire is pulled out in a different direction. It is the purpose.
【０００７】[0007]
【課題を解決するための手段】この発明の請求項１に係
る吸気絞弁装置は、内部に吸気通路が形成されたボディ
を貫通した絞弁軸と、この絞弁軸に固定された絞弁と、
前記絞弁軸を囲んで配設されているとともに一端部が前
記ボディに係止されたねじりばねと、前記絞弁軸の端部
に固着されているとともに前記ねじりばねの他端部と係
止され、前記絞弁を閉弁方向に付勢する絞弁レバーと、
この絞弁レバーに係合手段により一体化され、アクセル
操作力がワイヤーを介して伝達されるアクセル伝達レバ
ーとを備えたものである。According to a first aspect of the present invention, there is provided an intake throttle valve device which includes a throttle valve shaft penetrating a body having an intake passage formed therein, and a throttle valve fixed to the throttle valve shaft. When,
A torsion spring disposed around the throttle valve shaft and having one end locked to the body; and a torsion spring fixed to the end of the throttle valve shaft and locked to the other end of the torsion spring. A throttle valve lever for urging the throttle valve in the valve closing direction;
An accelerator transmission lever integrated with the throttle valve lever by an engaging means and transmitting an accelerator operation force via a wire is provided.
【０００８】この発明の請求項２に係る吸気絞弁装置で
は、係合手段は、アクセル伝達レバーに設けられた被係
合部と、絞弁レバーに設けられ被係合部と係合される係
合部とから構成されている。In the intake throttle device according to a second aspect of the present invention, the engaging means is engaged with the engaged portion provided on the accelerator transmission lever and the engaged portion provided on the throttle valve lever. And an engaging portion.
【０００９】この発明の請求項３に係る吸気絞弁装置で
は、係合部は突起であり、被係合部は穴である。In the intake throttle device according to a third aspect of the present invention, the engaging portion is a projection and the engaged portion is a hole.
【００１０】[0010]
【発明の実施の形態】実施の形態１．以下、この発明の
実施の形態１に係る吸気絞弁装置について説明するが、
図５ないし図９と同一または相当部分は同一符号を付し
て説明する。図１（Ａ）は実施の形態１の吸気絞弁装置
のアクセル伝達レバーの正面図、図１（Ｂ）は図１
（Ａ）のイ−イ線に沿った断面図、図２（Ａ）は絞弁レ
バーの正面図、図２（Ｂ）は図２（Ａ）のローロ線に沿
った断面図である。この吸気絞弁装置では、アクセル伝
達レバー２０には絞弁軸３の端部３ａが遊貫する貫通孔
２０ａが形成されている。また、貫通孔２０ａを介して
被係合部である穴２０ｂが一対対向して形成されてい
る。一方、絞弁レバー２１の中心部には絞弁軸３の端部
３ａが圧入される小判形状の圧入孔２１ａが形成されて
いる。また、圧入孔２１ａを介して係合部である突起２
１ｂが対向して一対形成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Hereinafter, an intake throttle device according to Embodiment 1 of the present invention will be described.
The same or corresponding parts as those in FIGS. 5 to 9 are denoted by the same reference numerals and described. FIG. 1A is a front view of an accelerator transmission lever of the intake throttle device according to the first embodiment, and FIG.
FIG. 2A is a cross-sectional view along the line II, FIG. 2A is a front view of the throttle valve lever, and FIG. 2B is a cross-sectional view along the roll line in FIG. 2A. In this intake throttle valve device, the accelerator transmission lever 20 is formed with a through hole 20a through which the end 3a of the throttle valve shaft 3 passes freely. In addition, a pair of holes 20b, which are engaged portions, are formed to face each other via the through hole 20a. On the other hand, an oval press-fitting hole 21a into which the end 3a of the throttle valve shaft 3 is press-fitted is formed in the center of the throttle valve lever 21. Further, the protrusion 2 serving as an engagement portion is formed via the press-fit hole 21a.
1b are formed to face each other.
【００１１】この実施の形態では、絞弁軸３の端部３ａ
に絞弁レバー２１が圧入、固定されており、また絞弁レ
バー２１の突起２１ｂにアクセル伝達レバー２０の穴２
０ｂが係合されて、絞弁軸３、絞弁レバー２１及びアク
セル伝達レバー２０が一体化されている。絞弁レバー２
１に対するアクセル伝達レバー２０の相対位置は、アク
セル伝達レバー２０の穴２０ｂの位置、及び絞弁レバー
２１の突起２１ｂの位置を変えることにより自由に変え
ることができる。図３（Ａ）、図３（Ｂ）はそのときの
アクセル伝達レバーの図、図３（Ａ）、図３（Ｂ）はそ
のときの絞弁レバーの図である。アクセル伝達レバー２
０は図１のものと同一であるが、絞弁レバー３０は突起
３０ｂの位置が図２のものと異なる。In this embodiment, the end 3a of the throttle valve shaft 3
The throttle valve lever 21 is press-fitted and fixed to the throttle valve 21, and the projection 21 b of the throttle valve lever 21 is
0b is engaged, and the throttle valve shaft 3, the throttle valve lever 21, and the accelerator transmission lever 20 are integrated. Throttle lever 2
The relative position of the accelerator transmission lever 20 with respect to 1 can be freely changed by changing the position of the hole 20b of the accelerator transmission lever 20 and the position of the projection 21b of the throttle valve 21. FIGS. 3A and 3B are diagrams of the accelerator transmission lever at that time, and FIGS. 3A and 3B are diagrams of the throttle valve lever at that time. Accelerator transmission lever 2
0 is the same as that of FIG. 1, but the throttle valve 30 is different from that of FIG.
【００１２】従って、エンジンルーム内の吸気絞弁装置
のレイアウトが異なり、アクセル伝達レバー２０のワイ
ヤーの引き出し方向も異なる場合でも、アクセル伝達レ
バー２０は同一のものを使用することができる。Accordingly, the same accelerator transmission lever 20 can be used even if the layout of the intake throttle device in the engine room is different and the direction in which the wire of the accelerator transmission lever 20 is pulled out is also different.
【００１３】なお、上記の実施の形態では、アクセル伝
達レバー２０に穴２０ｂが設けられているが、アクセル
伝達レバーに突起が設けられ、その突起と係合するよう
に絞弁レバーに穴を設けるようにしてもよい。In the above-described embodiment, the hole 20b is provided in the accelerator transmission lever 20, but a projection is provided in the accelerator transmission lever, and a hole is provided in the throttle valve lever so as to engage with the projection. You may do so.
【００１４】[0014]
【発明の効果】以上説明したように、この発明の請求項
１に係る吸気絞弁装置によれば、内部に吸気通路が形成
されたボディを貫通した絞弁軸と、この絞弁軸に固定さ
れた絞弁と、前記絞弁軸を囲んで配設されているととも
に一端部が前記ボディに係止されたねじりばねと、前記
絞弁軸の端部に固着されているとともに前記ねじりばね
の他端部と係止され、前記ねじりばねの弾性力を前記絞
弁軸に伝達して前記絞弁を閉弁方向に付勢する絞弁レバ
ーと、この絞弁レバーに係合手段により一体化され、ア
クセル操作力がワイヤーを介して伝達されるアクセル伝
達レバーとを備えたので、例えばエンジンルーム内の吸
気絞弁装置のレイアウトが異なり、アクセル伝達レバー
からのワイヤーの引き出し方向が異なるときでも、同一
のアクセル伝達レバーで対応することができる。As described above, according to the intake throttle device of the first aspect of the present invention, the throttle valve shaft penetrating through the body having the intake passage formed therein, and the throttle valve shaft is fixed to the throttle valve shaft. A throttle valve arranged around the throttle valve shaft and one end of which is locked to the body; and a torsion spring fixed to the end of the throttle valve shaft and the torsion spring. A throttle valve lever, which is locked to the other end, transmits the elastic force of the torsion spring to the throttle valve shaft and urges the throttle valve in the valve closing direction, and is integrated with the throttle valve lever by engaging means; And, since the accelerator operation force is provided with an accelerator transmission lever transmitted through a wire, for example, when the layout of the intake throttle valve device in the engine room is different and the drawing direction of the wire from the accelerator transmission lever is different, Same accelerator transmission level It is possible to cope with over.
【００１５】また、この発明の請求項２に係る吸気絞弁
装置によれば、係合手段は、アクセル伝達レバーに設け
られた係合部と、絞弁レバーに設けられ係合部と係合さ
れる被係合部とから構成されているので、安価で、簡単
な構成で係合手段を得ることができる。According to the intake throttle device of the second aspect of the present invention, the engagement means engages with the engagement portion provided on the accelerator transmission lever and the engagement portion provided on the throttle valve lever. The engagement means can be obtained at a low cost and with a simple configuration.
【００１６】また、この発明の請求項３に係る吸気絞弁
装置によれば、係合部は突起であり、被係合部は穴であ
るので、安価で、簡単な構成で係合部、被係合部を得る
ことができる。According to the intake throttle device according to the third aspect of the present invention, the engaging portion is a projection and the engaged portion is a hole. An engaged portion can be obtained.
【図１】 図１（Ａ）は実施の形態１の吸気絞弁装置の
アクセル伝達レバーの正面図、図１（Ｂ）は図１（Ａ）
のイ−イ線に沿った断面図である。FIG. 1A is a front view of an accelerator transmission lever of an intake throttle device according to a first embodiment, and FIG. 1B is FIG. 1A.
FIG. 4 is a cross-sectional view taken along the line ii.
【図２】 図２（Ａ）は絞弁レバーの正面図、図２
（Ｂ）は図２（Ａ）のローロ線に沿った断面図である。2A is a front view of a throttle valve lever, FIG.
FIG. 2B is a cross-sectional view taken along a roll line in FIG.
【図３】 図３（Ａ）はアクセル伝達レバーの正面図、
図３（Ｂ）は図３（Ａ）のハーハ線に沿った断面図であ
る。FIG. 3A is a front view of an accelerator transmission lever,
FIG. 3B is a cross-sectional view along the Harha line in FIG.
【図４】 図４（Ａ）は絞弁レバーの正面図、図４
（Ｂ）は図４（Ａ）のニーニ線に沿った断面図である。FIG. 4A is a front view of a throttle valve lever, FIG.
FIG. 4B is a cross-sectional view along the Nini line in FIG.
【図５】 従来の吸気絞弁装置の側面図である。FIG. 5 is a side view of a conventional intake throttle valve device.
【図６】 図５の吸気絞弁装置の断面図である。FIG. 6 is a sectional view of the intake throttle device of FIG. 5;
【図７】 図６の絞弁軸の部分斜視図である。FIG. 7 is a partial perspective view of the throttle valve shaft of FIG. 6;
【図８】 図８（Ａ）は図５の吸気絞弁装置のアクセル
伝達レバーの正面図、図８（Ｂ）は図８（Ａ）のホ−ホ
線に沿った断面図である。8 (A) is a front view of an accelerator transmission lever of the intake throttle device of FIG. 5, and FIG. 8 (B) is a cross-sectional view taken along a hoe line of FIG. 8 (A).
【図９】 図９（Ａ）は絞弁レバーの正面図、図９
（Ｂ）は図９（Ａ）のヘーヘ線に沿った断面図である。9A is a front view of a throttle valve lever, FIG.
FIG. 10B is a sectional view taken along the line of FIG. 9A.
１ ボディ、２ 吸気通路、３ 絞弁軸、４ 絞弁、５
絞弁レバー、６ 第１のねじりばね、７ 第２のねじ
りばね、２０ アクセル伝達レバー、２０ｂ穴（被係合
部）、２１ 絞弁レバー、２１ｂ 突起（係合部）。1 body, 2 intake passage, 3 throttle valve shaft, 4 throttle valve, 5
Throttle valve, 6 first torsion spring, 7 second torsion spring, 20 accelerator transmission lever, 20b hole (engaged portion), 21 throttle valve lever, 21b projection (engagement portion).
Claims (3)
通した絞弁軸と、 この絞弁軸に固定された絞弁と、 前記絞弁軸を囲んで配設されているとともに一端部が前
記ボディに係止されたねじりばねと、 前記絞弁軸の端部に固着されているとともに前記ねじり
ばねの他端部と係止され、前記ねじりばねの弾性力を前
記絞弁軸に伝達して前記絞弁を閉弁方向に付勢する絞弁
レバーと、 この絞弁レバーに係合手段により一体化され、アクセル
操作力がワイヤーを介して伝達されるアクセル伝達レバ
ーとを備えた吸気絞弁装置。A throttle valve penetrating a body having an intake passage formed therein; a throttle valve fixed to the throttle valve shaft; and a throttle valve disposed around the throttle valve shaft and having one end. A torsion spring locked to the body; fixed to an end of the throttle valve shaft and locked to the other end of the torsion spring to transmit the elastic force of the torsion spring to the throttle valve shaft; A throttle valve for urging the throttle valve in the valve closing direction, and an accelerator transmission lever integrated with the throttle valve lever by an engagement means and transmitting an accelerator operation force via a wire. Valve device.
られた被係合部と、絞弁レバーに設けられ被係合部と係
合される係合部とから構成された請求項１に記載の吸気
絞弁装置。2. The method according to claim 1, wherein the engaging means includes an engaged portion provided on the accelerator transmission lever, and an engaging portion provided on the throttle valve lever and engaged with the engaged portion. An intake throttle valve device as described.
る請求項２に記載の吸気絞弁装置。3. The intake throttle valve device according to claim 2, wherein the engaging portion is a projection, and the engaged portion is a hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11152325A JP2000345864A (en) | 1999-05-31 | 1999-05-31 | Take throttle valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11152325A JP2000345864A (en) | 1999-05-31 | 1999-05-31 | Take throttle valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000345864A true JP2000345864A (en) | 2000-12-12 |
Family
ID=15538071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11152325A Pending JP2000345864A (en) | 1999-05-31 | 1999-05-31 | Take throttle valve device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000345864A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55119331U (en) * | 1979-02-16 | 1980-08-23 | ||
| JPH08177532A (en) * | 1994-12-20 | 1996-07-09 | Nippondenso Co Ltd | Throttle valve control device |
-
1999
- 1999-05-31 JP JP11152325A patent/JP2000345864A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55119331U (en) * | 1979-02-16 | 1980-08-23 | ||
| JPH08177532A (en) * | 1994-12-20 | 1996-07-09 | Nippondenso Co Ltd | Throttle valve control device |
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