JPH0278745U - - Google Patents
Info
- Publication number
- JPH0278745U JPH0278745U JP15774388U JP15774388U JPH0278745U JP H0278745 U JPH0278745 U JP H0278745U JP 15774388 U JP15774388 U JP 15774388U JP 15774388 U JP15774388 U JP 15774388U JP H0278745 U JPH0278745 U JP H0278745U
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- relay
- lever
- shaft
- point
- 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
- 238000002485 combustion reaction Methods 0.000 claims 4
- 238000013459 approach Methods 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 2
- 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図は本考案の一実施例に係わる吸気筒装置
の平面図、第２図はその側面図、第３図は側面の
一部拡大図、第４図は開度と操作力の関係を示す
図、第５図は中継レバーの回動角と絞り弁の開度
との関係を示す図、第６図から第９図はローラの
移動軌跡とカムの形状との関係を示し、第１０図
は第６図から第９図に示されるローラの移動軌跡
とカムの形状との関係によつて実現される中継レ
バーの回動角と絞り弁の開度との関係を示す図で
ある。
２……吸気筒、４……ダツシユポツト、６……
スロツトルセンサ、８……絞り弁、１０……絞り
弁軸、１２……絞り弁開閉レバー、１２ａ……ケ
ーブル引き部、１２ｂ……第１アーム、１２ｃ…
…第２アーム、１２ｄ……第３アーム、１２ｅ…
…第４アーム、１２ｆ……ローラー、１４……ナ
ツト、１６……作用点、１８……第２中継レバー
、１８ａ……オートスピード連結部、１８ｂ……
カム板部、１８ｃ……係合部、１８ｄ……カム面
、２０……ナツト、２２……第１中継レバー、２
２ａ……アクセルケーブル連結部、２２ｂ……第
１アーム、２２ｃ……第２アーム、２２ｄ……係
合部、２４……中継軸、２６……作用点、２８…
…第１引張ばね、３０……支点、３２……ブラケ
ツト、３４……第２ばね、３４ａ……支点、３４
ｂ……作用点、３６……第３引張ばね、３８……
支点、４０……ブラケツト、４２……ストツパ、
４４……ナツト。
Fig. 1 is a plan view of an intake cylinder device according to an embodiment of the present invention, Fig. 2 is a side view thereof, Fig. 3 is a partially enlarged view of the side surface, and Fig. 4 shows the relationship between opening degree and operating force. 5 is a diagram showing the relationship between the rotation angle of the relay lever and the opening degree of the throttle valve, FIGS. 6 to 9 are diagrams showing the relationship between the movement locus of the roller and the shape of the cam, and FIG. This figure is a diagram showing the relationship between the rotation angle of the relay lever and the opening degree of the throttle valve, which is realized by the relationship between the moving locus of the roller and the shape of the cam shown in FIGS. 6 to 9. 2... Intake cylinder, 4... Dash pot, 6...
Throttle sensor, 8... Throttle valve, 10... Throttle valve shaft, 12... Throttle valve opening/closing lever, 12a... Cable pulling part, 12b... First arm, 12c...
...Second arm, 12d...Third arm, 12e...
...Fourth arm, 12f...Roller, 14...Nut, 16...Point of action, 18...Second relay lever, 18a...Auto speed connection part, 18b...
Cam plate part, 18c...Engaging part, 18d...Cam surface, 20...Nut, 22...First relay lever, 2
2a...Accelerator cable connection part, 22b...First arm, 22c...Second arm, 22d...Engagement part, 24...Relay shaft, 26...Point of action, 28...
...first tension spring, 30...fulcrum, 32...bracket, 34...second spring, 34a...fulcrum, 34
b... Point of action, 36... Third tension spring, 38...
Fulcrum, 40...bracket, 42...stopper,
44...Natsuto.
Claims (1)
を調整する絞り弁と、 アクセルケーブルの引張りによつて中継軸を中
心に回動する中継レバーと、 該中継レバーと機械的に接合し、該中継レバー
の回動に所定の関係で連動して前記絞り弁軸を中
心に回動して前記絞り弁を開閉させる絞り弁開閉
レバーと、 一端（支点）が吸気筒装置の不動部分に固定さ
れ、他端（作用点）が前記絞り弁開閉レバーに固
定されて、前記絞り弁を常時閉じる方向へ付勢す
る引張ばねとを有し、 前記支点及び作用点の位置は、前記絞り弁軸か
ら、前記支点と作用点を結ぶ線までの距離が、絞
り弁が開くにつれて徐々に減少する位置であり、
かつ、前記中継レバーと前記絞り弁開閉レバーと
の接合点が、絞り弁が開くにつれて、絞り弁軸と
中継軸とを結ぶ線に接近する位置関係にあること
を特徴とする内燃機関用吸気筒装置。 (2) 内燃機関への吸気が流れる吸気路と、 該吸気路内で絞り弁軸を中心に開閉して吸気量
を調整する絞り弁と、 アクセルケーブルの引張りによつて中継軸を中
心に回動する中継レバーと、 該中継レバーと機械的に接合し、該中継レバー
の回動に所定の関係で連動して前記絞り弁軸を中
心に回動して前記絞り弁を開閉させる絞り弁開閉
レバーと、 一端（支点）が吸気筒装置の不動部分に固定さ
れ、他端（作用点）が前記中継レバーに固定され
て、絞り弁が閉じる方向へ前記中継レバーを常時
付勢する引張ばねとを有し、 前記支点及び作用点の位置は、前記中継軸から
、前記支点と作用点を結ぶ線までの距離が、絞り
弁が開くにつれて徐々に減少する位置であり、 かつ、前記中継レバーと前記絞り弁開閉レバー
との接合点が、絞り弁が開くにつれて、絞り弁軸
と中継軸とを結ぶ線に接近する位置関係にあるこ
とを特徴とする内燃機関用吸気筒装置。[Scope of Claim for Utility Model Registration] (1) An intake passage through which intake air flows into the internal combustion engine, a throttle valve that opens and closes around the throttle valve shaft in the intake passage to adjust the amount of intake air, and an accelerator cable tensioner. Therefore, a relay lever that rotates around the relay shaft; and a relay lever that is mechanically connected to the relay lever and rotates around the throttle valve shaft in conjunction with the rotation of the relay lever in a predetermined relationship. a throttle valve opening/closing lever that opens and closes the throttle valve; one end (fulcrum) is fixed to a stationary part of the intake cylinder device, the other end (point of action) is fixed to the throttle valve opening/closing lever, and the throttle valve is always closed. the fulcrum and the point of action are located at a position where the distance from the throttle valve shaft to a line connecting the fulcrum and the point of action gradually decreases as the throttle valve opens. can be,
and an intake cylinder for an internal combustion engine, characterized in that a junction point between the relay lever and the throttle valve opening/closing lever is in a positional relationship such that as the throttle valve opens, it approaches a line connecting the throttle valve shaft and the relay shaft. Device. (2) An intake passage through which intake air flows to the internal combustion engine; a throttle valve within the intake passage that opens and closes around the throttle valve shaft to adjust the amount of intake air; and a throttle valve that rotates around the relay shaft by pulling the accelerator cable. a relay lever that moves; and a throttle valve opening/closing device that is mechanically connected to the relay lever and rotates about the throttle valve shaft in a predetermined relationship with the rotation of the relay lever to open and close the throttle valve. a lever, and a tension spring whose one end (fulcrum) is fixed to a stationary part of the intake cylinder device and whose other end (point of action) is fixed to the relay lever, and which constantly biases the relay lever in the direction in which the throttle valve closes. The positions of the fulcrum and the point of action are such that the distance from the relay shaft to the line connecting the fulcrum and the point of action gradually decreases as the throttle valve opens; An intake cylinder device for an internal combustion engine, wherein the junction point with the throttle valve opening/closing lever is in a positional relationship such that as the throttle valve opens, it approaches a line connecting the throttle valve shaft and the relay shaft.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988157743U JPH06609Y2 (en) | 1988-12-03 | 1988-12-03 | Intake cylinder device for internal combustion engine |
| US07/286,139 US4945874A (en) | 1987-12-19 | 1988-12-19 | Throttle body having interconnecting lever for converting an operational amount of accelerator to an opening of throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988157743U JPH06609Y2 (en) | 1988-12-03 | 1988-12-03 | Intake cylinder device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0278745U true JPH0278745U (en) | 1990-06-18 |
| JPH06609Y2 JPH06609Y2 (en) | 1994-01-05 |
Family
ID=31437456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988157743U Expired - Lifetime JPH06609Y2 (en) | 1987-12-19 | 1988-12-03 | Intake cylinder device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06609Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57159940A (en) * | 1981-03-27 | 1982-10-02 | Hitachi Ltd | Accelerator of carburetor |
| JPS6081244U (en) * | 1983-11-09 | 1985-06-05 | 株式会社日立製作所 | Intake throttle valve opening/closing device |
-
1988
- 1988-12-03 JP JP1988157743U patent/JPH06609Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57159940A (en) * | 1981-03-27 | 1982-10-02 | Hitachi Ltd | Accelerator of carburetor |
| JPS6081244U (en) * | 1983-11-09 | 1985-06-05 | 株式会社日立製作所 | Intake throttle valve opening/closing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06609Y2 (en) | 1994-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |