JPS61205319A - Piping construction of exhaust pipe of engine in motorcycle - Google Patents

Piping construction of exhaust pipe of engine in motorcycle

Info

Publication number
JPS61205319A
JPS61205319A JP4425885A JP4425885A JPS61205319A JP S61205319 A JPS61205319 A JP S61205319A JP 4425885 A JP4425885 A JP 4425885A JP 4425885 A JP4425885 A JP 4425885A JP S61205319 A JPS61205319 A JP S61205319A
Authority
JP
Japan
Prior art keywords
engine
exhaust pipe
cylinder
pipes
vehicle body
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.)
Withdrawn
Application number
JP4425885A
Other languages
Japanese (ja)
Inventor
Takashi Kudo
隆志 工藤
Shusaku Noguchi
周作 野口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP4425885A priority Critical patent/JPS61205319A/en
Publication of JPS61205319A publication Critical patent/JPS61205319A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08Other arrangements or adaptations of exhaust conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2340/00Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
    • F01N2340/04Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the arrangement of an exhaust pipe, manifold or apparatus in relation to vehicle frame or particular vehicle parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/04Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles

Abstract

PURPOSE:To efficiently arrange pipes, by extending exhaust pipes of cylinders, arranged in the rear side of a car body in a vertical multicylinder V-engine, to the rear of the car body through curved parts and providing exhaust pipes of cylinders in the front side to be arranged in the bottom of said curved parts. CONSTITUTION:A vertical four-cylinder V-engine, having cylinders 17, 18 in the front side of a car body and cylinders 19, 20 in the rear side, respectively connects exhaust pipes 21-24 with each cylinder 17-20. Here the exhaust pipes 23, 24 are inserted from the rear of the engine to a space 11d between both left and right arms 11a, 11a of a rear fork 11, and the pipes 23, 24, flexing respectively into a U-shape thereafter extending to the rear of the car body and connecting with a middle pipe 25, join together into one pipe. While the exhaust pipes 21, 22 are arranged in the bottom of curved parts 23a, 24a of the exhaust pipes 23, 24 via the bottom of the engine, and then the pipes 21, 22, extending to the rear of the car body and connecting with a middle pipe 26, join together into one pipe. And the both middle pipes 25, 26 are connected with a muffler 28 through one tail pipe 27.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は自動二輪車のエンジン排気管の配管構造に関す
る。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a piping structure for an engine exhaust pipe of a motorcycle.

〔従来の技術〕[Conventional technology]

多気筒エンジンを搭載した自動二輪車では、エンジンの
出力特性を向上させる手段として、各気筒に接続される
排気管の長さを同調させている。
In motorcycles equipped with multi-cylinder engines, the lengths of the exhaust pipes connected to each cylinder are synchronized as a means to improve the output characteristics of the engine.

このことから、縦1ilv1v!多気筒エンジンを搭載
した自動二輪車において、車体前方側に配置した気筒に
接続される排気管をエンジンの前方からエンジンの下方
を経で車体後方に延出し、車体後方側に配置した気筒に
接続される排気管をエンジンの後方と後輪の闇を通して
車体後方に延出しだ場合には、車体後方側に配置した気
筒に接続されるIB LA管に車体前方側に配置した気
筒に接続されるυ1気管より6屈曲部を多く設けて両排
気管の良さを同調させている。
From this, vertical 1ilv1v! In a motorcycle equipped with a multi-cylinder engine, the exhaust pipe is connected to the cylinder located at the front of the vehicle body, and extends from the front of the engine under the engine to the rear of the vehicle body, and is connected to the cylinder located at the rear of the vehicle body. If the exhaust pipe is extended to the rear of the vehicle through the back of the engine and the rear wheels, the IB LA pipe is connected to the cylinder located at the rear of the vehicle, and the LA pipe is connected to the cylinder located at the front of the vehicle. There are 6 more bends than the trachea to synchronize the quality of both exhaust pipes.

(発明が解決しようとする問題点〕 しかし、エンジンやサスベンジコン等の配置との関係か
ら、排気管の屈曲部を設【ノる位置が制限され、限られ
たスペースに効率よく配管りることが望まれていた。
(Problem to be solved by the invention) However, due to the arrangement of the engine, suspension controller, etc., the position where the bent part of the exhaust pipe can be installed is restricted, making it difficult to efficiently install piping in a limited space. It was wanted.

そこで、本発明は排気管を効率よく配管する構造を提供
J′ることを目的としている。
Therefore, an object of the present invention is to provide a structure for efficiently piping an exhaust pipe.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は1記目的を達成するために、縦mV型多気筒エ
ンジンを備え、車体前方側に配置した気筒に接続される
排気管をエンジンの前方からエンジンの下方を経で車体
後方に延出させ、車体後方側に配置した気筒に接続され
る排気管をエンジンの後方と後輪との間を通して車体後
方へ延出させた自動二輪車にJ3いて、前記車体後方側
に配置した気筒に接続される排気管を車体後方に設けた
リアフォークの左右両アーム聞を通してエンジンの下部
後方で屈曲させて屈曲部を形成し、該屈曲部の下方に前
記車体前方側に配置した気筒に接続される排気管を配設
したことを特徴としている。
In order to achieve the first object, the present invention includes a vertical mV type multi-cylinder engine, and an exhaust pipe connected to a cylinder arranged at the front side of the vehicle body extends from the front of the engine to the rear of the vehicle body through the lower part of the engine. The exhaust pipe connected to the cylinder located on the rear side of the vehicle body is connected to the cylinder located on the rear side of the vehicle body. An exhaust pipe is bent at the rear of the lower part of the engine through the left and right arms of a rear fork provided at the rear of the vehicle body to form a bent part, and the exhaust pipe is connected to a cylinder located at the front side of the vehicle body below the bent part. It is characterized by a pipe.

〔作 用〕[For production]

□ このように構成することにより、排気管を効率よく
配管するとともにそれぞれの排気管の長さを同調できる
□ With this configuration, the exhaust pipes can be arranged efficiently and the lengths of each exhaust pipe can be synchronized.

〔実施例〕〔Example〕

本発明の一実施例を図面に基づいて説明する。 An embodiment of the present invention will be described based on the drawings.

自動二輪車1は、上下幅の大きな断面矩形の筒状体で形
成したメインフレーム2を左右対称に有し、メインフレ
・−ム2は先端にヘッドパイプ3を、後端にピボットプ
レート4をそれぞれ溶着し、慢部上面にシートレール5
を接合するとともに、下部中央にエンジンハンガー6を
設けている。
The motorcycle 1 has a symmetrical main frame 2 formed of a cylindrical body having a rectangular cross section with a large vertical width, and the main frame 2 has a head pipe 3 welded to its tip and a pivot plate 4 welded to its rear end. and seat rail 5 on the upper surface of the arrogant part.
At the same time, an engine hanger 6 is provided at the center of the lower part.

ヘッドバイブ3には前輪7を支承するフロン1−フ4−
り8が設けられ、ハンドルパー9により左イうに操向可
能となっている。
The head vibe 3 has front wheels 1-4 that support the front wheel 7.
A steering wheel 8 is provided, and a handlebar 9 allows the vehicle to be steered to the left.

ピボットプレート4はその上端に一体的に設【ノ、  
 られたシートガセットプレート10をシートレール5
に結合してシー1へレール5を支持し、下部にリアフォ
ーク11を上下方向に回動可能に支持し、該リア゛ノ丼
−り11に後輪12が支承され、リアーフォーク11と
シートガセットプレート10との聞にリアサスペンショ
ン装置13を設けている。
The pivot plate 4 is integrally installed at its upper end.
The seat gusset plate 10 is attached to the seat rail 5.
The rail 5 is coupled to the seat 1 and supported, and the rear fork 11 is rotatably supported in the vertical direction at the bottom thereof. A rear suspension device 13 is provided between the gusset plate 10 and the rear suspension device 13.

リアフォーク11は車体後方へ並行する左右のアーム1
1a、11aの後端で後輪12を支承し、該両アームl
la、110の前端を円筒形のピボット軸受11bで連
結し、両アーム11a、11aの前端寄りに両アーム1
1a、11aを連結するり0スフレーム11Cを設け、
ピボット軸受11bとクロスフレーム11C間に空間1
1dを形成している。
The rear fork 11 has left and right arms 1 that run parallel to the rear of the vehicle.
The rear wheels 12 are supported at the rear ends of 1a and 11a, and both arms l
The front ends of the arms 11a and 110 are connected by a cylindrical pivot bearing 11b, and both arms 1 are connected near the front ends of both arms 11a and 11a.
A space frame 11C is provided to connect 1a and 11a,
Space 1 between pivot bearing 11b and cross frame 11C
1d.

メインフレーム2とシートレール5の上部の前部にはフ
ューエルタンク14が載置され、フューエルタンク14
の後方にシート(図示せず)が設けられる。
A fuel tank 14 is mounted on the front part of the upper part of the main frame 2 and the seat rail 5.
A seat (not shown) is provided behind the.

エンジンハンガー6にはエンジン15が、エンジンハン
ガー6とピボットプレー1・4に支持されて設けられ、
エンジン15の前方にラジェータ16が配設されている
An engine 15 is installed in the engine hanger 6 and is supported by the engine hanger 6 and the pivot plays 1 and 4.
A radiator 16 is arranged in front of the engine 15.

エンジン15は縦置V型4気筒で、車体前方側に配置さ
れた気筒17.18と、車体後方側に配置された気筒1
9.20とを有し、重体前方側気筒17.18に排気管
21.22を、車体後方側気筒19.20に排気管23
.24をそれぞれ接続している。
The engine 15 is a vertical V-type 4-cylinder, with cylinders 17 and 18 located at the front of the vehicle and cylinder 1 located at the rear of the vehicle.
9.20, exhaust pipes 21.22 are attached to the front cylinders 17 and 18 of the heavy body, and exhaust pipes 23 are attached to the cylinders 19 and 20 of the rear side of the vehicle body.
.. 24 are connected to each other.

排気管23.24はエンジン15の後方からエンジン1
5と後輪12との間に配設されるリアフォーク11の空
11111dに挿通され、エンジン15の下部後方でそ
れぞれU字状に屈曲されて屈曲部23a、24aを形成
して車体後方に延出し、車体後方でミドルバイブ25に
接続して1木にまとめられている。
The exhaust pipes 23 and 24 are connected to the engine 1 from the rear of the engine 15.
5 and the rear wheel 12, and are bent in a U-shape at the rear of the lower part of the engine 15 to form bent portions 23a and 24a, and extend toward the rear of the vehicle body. It is connected to the middle vibe 25 at the rear of the car and gathered together in one tree.

排気管21.22はエンジン15のna方からエンジン
15)の下方を経で前記排気管23.24の屈曲部23
a、24aの下方に配設されて中休後りに延出し、車体
後方でミドルバイブ26に接続して1本にまとめられ、
さらに前記ミドルパイI25とともにテールバイブ27
に接続して1木にまとめられ、マフラー28に連結して
いる。
The exhaust pipes 21.22 pass from the na direction of the engine 15 to the lower part of the engine 15) and connect to the bent portion 23 of the exhaust pipe 23.24.
a, is arranged below 24a and extends after the mid-break, and is connected to the middle vibe 26 at the rear of the vehicle body and combined into one,
Furthermore, the tail vibe 27 along with the middle pie I25
The muffler 28 is connected to the muffler 28 and assembled into one tree.

このように排気管21.22とitt気管23.24と
を配管したので、深いバンク角を確保しで限られたスペ
ースに効率のよい配管構造とすることができ、かつ、低
噛心、マス集中化を図ることができる。
By arranging the exhaust pipe 21.22 and the ITt trachea 23.24 in this way, it is possible to secure a deep bank angle and create an efficient piping structure in a limited space. Centralization can be achieved.

〔発明の効果〕〔Effect of the invention〕

上2のように本発明は、縦置V型多気局1ンジンを備え
、車体前方側に配置した気筒に接続される排気管をエン
ジンの前方からエンジンの下方を経で重体後方に延出さ
せ、車体後方側に配置した気筒に接続される排気管をエ
ンジンの後方と後輪との間を通して車体後方へ延出させ
た自動二輪車において、前記車体後方側に配置した気筒
に接続される排気管を車体後方に設けたリアフォークの
左右両アーム間を通してエンジンの下部後方で、屈曲さ
せて屈曲部を形成し、該屈曲部の下方に前記車体前方側
に配置した気筒に接続される排気管を配設したので、限
られたスペースに効率のよい排気管の配管構造とするこ
とができ、また低重心。
As shown in Part 2 above, the present invention is equipped with a vertically mounted V-type multi-cylinder engine, and has an exhaust pipe connected to a cylinder located at the front side of the vehicle body extending from the front of the engine to the rear of the vehicle via the lower part of the engine. , in a motorcycle in which an exhaust pipe connected to a cylinder located at the rear of the vehicle body passes between the rear of the engine and a rear wheel and extends to the rear of the vehicle body, the exhaust pipe is connected to the cylinder located at the rear of the vehicle body. is passed between the left and right arms of a rear fork provided at the rear of the vehicle body and bent at the rear of the lower part of the engine to form a bent part, and an exhaust pipe connected to the cylinder located at the front side of the vehicle body is connected below the bent part. This allows for an efficient exhaust pipe piping structure in a limited space and a low center of gravity.

マス集中化を図ることができる。Mass concentration can be achieved.

【図面の簡単な説明】[Brief explanation of drawings]

図は本発明の一実施例を示すもので、第1図は自動二輪
車の側面図、第2図は要部の概略を示す平面図である。
The drawings show one embodiment of the present invention; FIG. 1 is a side view of the motorcycle, and FIG. 2 is a plan view schematically showing the main parts.

Claims (1)

【特許請求の範囲】[Claims]  1、縦置V型多気筒エンジンを備え、車体前方側に配
置した気筒に接続される排気管をエンジンの前方からエ
ンジンの下方を経で車体後方に延出させ、車体後方側に
配置した気筒に接続される排気管をエンジンの後方と後
輪との間を通して車体後方へ延出させた自動二輪車にお
いて、前記車体後方側に配置した気筒に接続される排気
管を車体後方に設けたリアフォークの左右両アーム間を
通してエンジンの下部後方で屈曲させて屈曲部を形成し
、該屈曲部の下方に前記車体前方側に配置した気筒に接
続される排気管を配設したことを特徴とする自動二輪車
のエンジン排気管の配管構造。
1.Equipped with a vertical V-type multi-cylinder engine, the exhaust pipe connected to the cylinder placed on the front side of the car body extends from the front of the engine to the rear of the car body through the lower part of the engine, and the cylinder placed on the rear side of the car body. A rear fork in which an exhaust pipe connected to a cylinder is provided at the rear of the vehicle body and is connected to a cylinder located on the rear side of the vehicle body, in a motorcycle in which an exhaust pipe connected to the cylinder passes between the rear of the engine and the rear wheel and extends to the rear of the vehicle body. A bent part is formed by passing between the left and right arms of the engine at the rear of the lower part of the engine, and an exhaust pipe is provided below the bent part to be connected to a cylinder arranged on the front side of the vehicle body. Piping structure of motorcycle engine exhaust pipe.
JP4425885A 1985-03-06 1985-03-06 Piping construction of exhaust pipe of engine in motorcycle Withdrawn JPS61205319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4425885A JPS61205319A (en) 1985-03-06 1985-03-06 Piping construction of exhaust pipe of engine in motorcycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4425885A JPS61205319A (en) 1985-03-06 1985-03-06 Piping construction of exhaust pipe of engine in motorcycle

Publications (1)

Publication Number Publication Date
JPS61205319A true JPS61205319A (en) 1986-09-11

Family

ID=12686488

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4425885A Withdrawn JPS61205319A (en) 1985-03-06 1985-03-06 Piping construction of exhaust pipe of engine in motorcycle

Country Status (1)

Country Link
JP (1) JPS61205319A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6371491A (en) * 1986-09-12 1988-03-31 本田技研工業株式会社 Rear fork for motorcycle
KR100828057B1 (en) 2006-02-23 2008-05-09 혼다 기켄 고교 가부시키가이샤 Exhaust structure in two-wheeled motor vehicle
US7644800B2 (en) 2006-02-23 2010-01-12 Honda Motor Co., Ltd. Motorcycle exhaust structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6371491A (en) * 1986-09-12 1988-03-31 本田技研工業株式会社 Rear fork for motorcycle
KR100828057B1 (en) 2006-02-23 2008-05-09 혼다 기켄 고교 가부시키가이샤 Exhaust structure in two-wheeled motor vehicle
US7644800B2 (en) 2006-02-23 2010-01-12 Honda Motor Co., Ltd. Motorcycle exhaust structure

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