JPH0615819Y2 - Drive - Google Patents
DriveInfo
- Publication number
- JPH0615819Y2 JPH0615819Y2 JP1987052719U JP5271987U JPH0615819Y2 JP H0615819 Y2 JPH0615819 Y2 JP H0615819Y2 JP 1987052719 U JP1987052719 U JP 1987052719U JP 5271987 U JP5271987 U JP 5271987U JP H0615819 Y2 JPH0615819 Y2 JP H0615819Y2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust pipe
- engine
- space
- drive shaft
- transmission case
- 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 - Lifetime
Links
Landscapes
- Exhaust Silencers (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） エンジンのクランクケースに該クランクケースから側方
に偏位しかつ後方に延びる変速機ケースを連設したエン
ジンユニツトは、スクーター型のエンジンユニツトとし
て知られている。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of use) An engine unit in which a crankcase of an engine and a transmission case that is laterally offset from the crankcase and extends rearward are connected to each other is a scooter type engine unit. Are known.
本考案はこのスクーター型のエンジンユニツトを騎乗型
二輪車の車体に搭載した場合や、適宜の負荷を駆動する
ための動力源として使用する場合に、該エンジンユニツ
トに形成される上下方向の空間を利用した排気管の配置
に関する。The present invention utilizes the vertical space formed in the engine unit when the scooter type engine unit is mounted on the body of a riding type motorcycle or is used as a power source for driving an appropriate load. The exhaust pipe arrangement.
（従来の技術） 二輪車の排気管は通常エンジンの前部に接続しわん曲し
ながら該エンジンの下方を通つて車体の後方へ延びるよ
うにしているが、Ｖ型エンジン等にあつては該排気管を
エンジンの後部に接続するものもあり、従来この種の排
気管は、エンジンのクランクケースとリヤフオークの連
結部材との間を通して下方へ抜きわん曲しながら車体の
後方へ延びるようにしたものを一般としている。(Prior Art) The exhaust pipe of a two-wheeled vehicle is normally connected to the front part of the engine and bent to extend to the rear of the vehicle body while passing under the engine. Some exhaust pipes are connected to the rear of the engine, and this type of exhaust pipe has been designed so that it extends between the crankcase of the engine and the connecting member of the rear fork and extends downward to bend to the rear of the vehicle body. General.
（考案が解決しようとする問題点） 上記従来のものにあつては、排気管をクランクケースと
リヤフオークの連結部材との間を通すためこの部分に排
気管の熱的影響を考慮した一定の空間が必要となり、該
空間を確保するため車体のホイールベースが長くなる傾
向にあり、また排気管に十分な曲がりがとれるほどに十
分な空間を確保することができなかった。(Problems to be solved by the invention) In the above-mentioned conventional one, since the exhaust pipe is passed between the crankcase and the connecting member of the rear fork, a fixed space in consideration of the thermal influence of the exhaust pipe is provided in this portion. Therefore, the wheel base of the vehicle body tends to be long in order to secure the space, and it is not possible to secure a sufficient space for the exhaust pipe to have a sufficient bend.
ところで、自動変速装置を内蔵するスクーター型のエン
ジンユニツトはその操作性及び経済性に優れていること
から、該エンジンユニツトを騎乗型二輪車の車体に搭載
し初心者向けのスポーツ性に富むオートマチツク車とし
てその出現が望まれていた。By the way, since a scooter type engine unit with a built-in automatic transmission is excellent in operability and economy, the engine unit is mounted on the body of a riding type motorcycle as a sports-oriented automatic car for beginners. Its appearance was desired.
本考案はかかる要望に応えるべく騎乗型二輪車の車体に
スクーター型のエンジンユニツトを搭載し、この場合に
該ユニツトにその構造から空間が生ずることに着目し、
該空間に排気管を通すことにより、上記従来の問題点を
解消してこの空間を有効に利用すると共に、該空間のも
つ前後方向の長さにより排気管に十分な曲がりをとり得
る排気管の通路を提供すること、及び該排気管によって
エンジンユニットの駆動軸の周囲を保護することを目的
の一つとするものである。また、前記のエンジンユニッ
トを他の装置の駆動装置として用い、騎乗型二輪車に用
いた場合と同様の効果を発揮させることを他の目的とす
る。In order to meet such demands, the present invention mounts a scooter type engine unit on the body of a riding type motorcycle, and in this case, paying attention to the fact that the unit has a space due to its structure,
By passing the exhaust pipe through the space, the above-mentioned conventional problems can be solved and the space can be effectively used, and the exhaust pipe can be bent sufficiently depending on the length of the space in the front-rear direction. One of the purposes is to provide a passage and to protect the periphery of the drive shaft of the engine unit by the exhaust pipe. Another object of the present invention is to use the engine unit as a drive device for another device and to achieve the same effect as in the case where the engine unit is used in a riding type two-wheeled vehicle.
（問題点を解決するための手段） 本考案は上記目的を達成すべくエンジンのクランク軸に
よって駆動され、該クランク軸と直交して水平方向に延
びる変速機を収容する変速機ケースを、該エンジンのク
ランクケースの一側に偏位して連設し、該変速機ケース
の末端側から前記クランク軸と平行で変速機ケースの前
記偏位方向と反対側に駆動軸を突出して設け、該駆動軸
に動力を伝達する巻掛伝動手段を連設すると共に、該巻
掛伝動手段と前記エンジンの間に上下方向に開放された
空間を形成し、該空間にエンジンの排気管を上下方向に
挿通し、前記駆動軸の周囲を通して巻掛伝動手段の方向
に延設したことを特徴とする。(Means for Solving the Problems) In order to achieve the above object, the present invention provides a transmission case that is driven by a crankshaft of an engine and that houses a transmission that extends in a horizontal direction orthogonal to the crankshaft. Of the crankcase, and a drive shaft is provided so as to extend from one end of the transmission case in parallel with the crankshaft and to a side opposite to the displacement direction of the transmission case. A winding transmission means for transmitting power to the shaft is continuously provided, and a vertically open space is formed between the winding transmission means and the engine, and an exhaust pipe of the engine is vertically inserted into the space. However, it is characterized in that it extends in the direction of the winding transmission means through the periphery of the drive shaft.
（作用） 前記エンジンユニットにおけるエンジンと駆動軸の間に
形成される上下方向の空間を、排気管の配置空間とする
ことにより、排気管の配置が容易になり、かつ該排気管
を巻掛伝動装置の方向に延設することにより排気管が駆
動軸の保護部材となる。(Operation) By arranging the space in the up-down direction formed between the engine and the drive shaft in the engine unit as the space for disposing the exhaust pipe, the disposition of the exhaust pipe is facilitated and the exhaust pipe is wound and transmitted. The exhaust pipe serves as a protective member for the drive shaft by extending in the direction of the device.
（実施例） 第１図ないし第３図を参照して、(1)は騎乗型二輪車の
車体を示し、該車体(1)には前輪(2)と後輪(3)との間に
スクーター型のエンジンユニツト(4)と、該ユニツト(4)
と車体(1)とを覆うカバーたるカウル(5)とが取付けら
れ、該ユニツト(4)を動力源として後輪(3)を駆動して走
行する。(Embodiment) With reference to FIGS. 1 to 3, (1) shows a vehicle body of a riding type two-wheeled vehicle, and the vehicle body (1) has a scooter between a front wheel (2) and a rear wheel (3). Type engine unit (4) and the unit (4)
A cowl (5), which is a cover for covering the vehicle body (1) and the vehicle body (1), is attached, and the rear wheel (3) is driven by the unit (4) as a power source to drive the vehicle.
エンジンユニツト(4)は、上部のエンジン(6)と下部のク
ランクケース(7)及び該クランクケース(7)から後方に延
びる変速機ケース(8)とで一体に構成され、前記カウル
(5)と共にステー(9)(9)を介して車体に取付けられ、エ
ンジン(6)の動力を変速機ケース(8)の後端に設けた駆動
軸(10)から出力し、チエーン(11)を介して後輪(3)に伝
達する。The engine unit (4) is integrally configured with an upper engine (6), a lower crankcase (7) and a transmission case (8) extending rearward from the crankcase (7), and the cowl
It is attached to the vehicle body via stays (9) and (9) together with (5), and the power of the engine (6) is output from the drive shaft (10) provided at the rear end of the transmission case (8), and the chain (11) ) To the rear wheel (3).
変速機ケース(8)は、クランクケース(7)に対し片側に偏
位して設けられ、該ケース(8)の内部にはその長手方向
にＶベルト(12)が収納され、該Ｖベルト(12)は、クラン
クケース(7)内に収納されたクランクシヤフト(13)の端
部に固着される主動プーリー(14)と変速機ケース(8)の
後部に収納された遠心クラツチ(15)の主軸(16)に固着さ
れる従動プーリー(17)とに掛け渡され、該両プーリー(1
4)(17)の直径を連続的に変化させて無段変速機を構成
し、クランクシヤフト(13)の回転を遠心クラツチ(15)の
主軸(16)から中間軸(18)を介して変速機ケース(8)の後
端の駆動軸(10)に伝達する。The transmission case (8) is provided so as to be offset to one side with respect to the crank case (7), and the V belt (12) is accommodated in the longitudinal direction of the V case (8) inside the case (8). 12) is the drive pulley (14) fixed to the end of the crank shaft (13) housed in the crank case (7) and the centrifugal clutch (15) housed in the rear of the transmission case (8). It is hung over a driven pulley (17) fixed to the main shaft (16), and both pulleys (1
4) A continuously variable transmission is constructed by continuously changing the diameter of (17), and the rotation of the crankshaft (13) is changed from the main shaft (16) of the centrifugal clutch (15) through the intermediate shaft (18). It is transmitted to the drive shaft (10) at the rear end of the machine case (8).
クランクケース(7)と駆動軸(10)との間には、変速機ケ
ース(8)に沿うように空間(19)が形成され、該空間(19)
には、車体(1)の中心線上を上下方向に排気管(20)が挿
通し、該排気管(20)の上部は前方へわん曲しエンジン
(6)の後部に接続し、下部は後方へわん曲して延び、車
体(1)の後部の排気マフラー(21)に接続される。A space (19) is formed between the crankcase (7) and the drive shaft (10) along the transmission case (8), and the space (19) is formed.
The exhaust pipe (20) is vertically inserted through the center line of the vehicle body (1), and the upper portion of the exhaust pipe (20) is bent forward to form an engine.
(6) is connected to the rear part, the lower part is bent and extends rearward, and is connected to the exhaust muffler (21) at the rear part of the vehicle body (1).
エンジン(6)の両側には、カウル(5)との間に、ラジエタ
ー(22)とエアクリーナ(23)が設けられ、該エアクリーナ
(23)からの吸気は、逆Ｕ字状に前方へ突き出した吸気管
(24)を介して前方からエンジン(6)内に流入し後方から
排気される。A radiator (22) and an air cleaner (23) are provided on both sides of the engine (6) between the cowl (5) and the air cleaner (23).
The intake air from (23) is an intake pipe that protrudes forward in an inverted U shape.
It flows into the engine (6) from the front via the (24) and is exhausted from the rear.
また、第４図及び第５図に示す如く前記空間(19)には、
中心を排気管(20)が挿通する円筒状の筒体(25)が設けら
れ、排気管(20)を内筒とし該筒体(25)を外筒とする２重
構造の熱交換器(26)を構成し、該筒体(25)の下部に設け
た流入口(25a)から空気を該熱交換器(26)内に導き、排
気管(20)を介して該空気と排気管(20)内を流れる排気ガ
スとを熱交換させ、熱交換後の暖気を筒体(25)の上部に
設けた流出口(25b)からホツトエアダクト(27)を介して
シート(28)の底部に導く。該シート(28)の底部には、前
後方向の複数のホツトエアトンネル(29)を設け、該ホツ
トエアトンネル(29)は、前部でホツトエアダクト(27)に
連通し後端でシートカウル(30)の開口(30a)に連通し
て、ホツトエアダクト(27)から流入する暖気がシート(2
8)を暖めシートカウル(30)の開口(30a)から車体(1)の後
方へ排気される。Further, as shown in FIGS. 4 and 5, in the space (19),
A cylindrical heat exchanger (25) having a cylindrical tubular body (25) through which the exhaust pipe (20) is inserted, the exhaust pipe (20) being an inner cylinder and the tubular body (25) being an outer cylinder ( 26), and introduces air into the heat exchanger (26) from an inlet (25a) provided in the lower portion of the tubular body (25), and the air and the exhaust pipe (20) via an exhaust pipe (20). 20) Heat is exchanged with the exhaust gas flowing inside, and the warm air after heat exchange is transferred from the outlet (25b) provided at the top of the cylinder (25) to the bottom of the seat (28) via the hot air duct (27). Lead. A plurality of hot air tunnels (29) in the front-back direction are provided at the bottom of the seat (28), and the hot air tunnel (29) communicates with the hot air duct (27) at the front portion and a seat cowl (at the rear end). The warm air flowing from the hot air duct (27) communicating with the opening (30a) of the seat (30) allows the seat (2
8) is warmed and exhausted to the rear of the vehicle body (1) through the opening (30a) of the seat cowl (30).
なお、図中(31)は、夏期等の暖房不要時に暖気を逃がし
てシート(28)の過熱を防止する逃がし配管を示す。In addition, reference numeral (31) in the figure shows an escape pipe for releasing warm air to prevent overheating of the seat (28) when heating is not required in summer or the like.
以上のように本実施例によれば、クランクケース(7)と
変速機ケース(8)の後端の駆動軸(10)との間に、該変速
機ケース(8)に沿うように形成される空間(19)に排気管
(20)を通し、該空間(19)を排気管(20)の通路として利用
することにより、排気管(20)の通路として十分なスペー
スが確保でき、かつ前後方向に十分な長さを有するため
排気管(20)の曲がりにも余裕がもて、更に、排気管(20)
の熱を容易に後方へ排出できる。As described above, according to the present embodiment, it is formed along the transmission case (8) between the crankcase (7) and the drive shaft (10) at the rear end of the transmission case (8). Exhaust pipe in the space (19)
By using the space (19) as a passage for the exhaust pipe (20) through the (20), a sufficient space can be secured as a passage for the exhaust pipe (20) and has a sufficient length in the front-rear direction. Therefore, there is room in the bend of the exhaust pipe (20), and further, the exhaust pipe (20)
The heat of can be easily discharged to the rear.
また、該空間(19)に排気管(20)の熱を利用した熱交換器
(26)を設け、これにより暖められた空気をシート(28)に
導くことにより、二輪車の走行に際し、該空気の出口で
あるシートカウル(30)の開口(30a)が負圧となつて該空
気を自然通風してシート(28)を暖める。In addition, a heat exchanger using the heat of the exhaust pipe (20) in the space (19)
By providing (26) and guiding the warmed air to the seat (28), the opening (30a) of the seat cowl (30), which is the outlet of the air, becomes negative pressure when the motorcycle travels. Allow the air to flow naturally to warm the seat (28).
（考案の効果） 以上のように本考案によれば、エンジンと駆動軸の間に
形成される上下方向の空間を排気管の配置に利用し、該
空間に排気管を上下方向に通したのち湾曲して駆動軸の
周囲を通って巻掛伝動装置の方向に延設したので、排気
管を他部材との間に余裕をもたせて配置できて該他部材
の加熱を防止でき、排気管の配管設計が容易であるばか
りでなく、前記の湾曲した構造によって排気管の長さを
充分な長さに確保でき、更に、該排気管によって駆動軸
の周囲を保護できる利点を有する。As described above, according to the present invention, the vertical space formed between the engine and the drive shaft is used for disposing the exhaust pipe, and the exhaust pipe is passed through the space in the vertical direction. Since it is curved and extends around the drive shaft in the direction of the winding transmission device, the exhaust pipe can be arranged with a margin between the exhaust pipe and other members, and the heating of the other members can be prevented. Not only is the piping design easy, but the curved structure allows the exhaust pipe to have a sufficient length, and the exhaust pipe can protect the periphery of the drive shaft.
第１図は本考案を実施した騎乗型二輪車の側面図、第２
図は第１図のII-II線断面図、第３図は第１図のIII-III
線拡大断面図、第４図は熱交換器廻りの截断側面図、第
５図は第４図のＶ−Ｖ線断面図である。 (1)…車体、(4)…エンジンユニツト、(5)…カウル、(1
0)…駆動軸、(12)…変速機ケース、(19)…空間、(20)…
排気管FIG. 1 is a side view of a riding type motorcycle embodying the present invention, and FIG.
The figure is a sectional view taken along the line II-II in FIG. 1, and FIG. 3 is the line III-III in FIG.
A line enlarged sectional view, FIG. 4 is a cutaway side view around the heat exchanger, and FIG. 5 is a sectional view taken along line VV of FIG. (1) ... Body, (4) ... Engine unit, (5) ... Cowl, (1
0) ... Drive shaft, (12) ... Transmission case, (19) ... Space, (20) ...
Exhaust pipe
Claims (1)
該クランク軸と直交して水平方向に延びる変速機を収容
する変速機ケースを、該エンジンのクランクケースの一
側に偏位して連設し、該変速機ケースの末端側から前記
クランク軸と平行で変速機ケースの前記偏位方向と反対
側に駆動軸を突出して設け、該駆動軸に動力を伝達する
巻掛伝動手段を連設すると共に、該巻掛伝動手段と前記
エンジンの間に上下方向に開放された空間を形成し、該
空間にエンジンの排気管を上下方向に挿通し、前記駆動
軸の周囲を通して巻掛伝動手段の方向に延設したことを
特徴とする駆動装置。1. The engine is driven by a crankshaft,
A transmission case accommodating a transmission that extends in a horizontal direction orthogonal to the crankshaft is eccentrically provided continuously to one side of the crankcase of the engine, and is connected to the crankshaft from the end side of the transmission case. A drive shaft is provided so as to be parallel and on the side opposite to the displacement direction of the transmission case, and a winding transmission means for transmitting power to the drive shaft is connected in series, and between the winding transmission means and the engine. A drive device characterized in that a space open in the vertical direction is formed, an exhaust pipe of an engine is inserted into the space in the vertical direction, and the space is extended in the direction of the winding transmission means through the periphery of the drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987052719U JPH0615819Y2 (en) | 1987-04-09 | 1987-04-09 | Drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987052719U JPH0615819Y2 (en) | 1987-04-09 | 1987-04-09 | Drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63160295U JPS63160295U (en) | 1988-10-20 |
| JPH0615819Y2 true JPH0615819Y2 (en) | 1994-04-27 |
Family
ID=30878133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987052719U Expired - Lifetime JPH0615819Y2 (en) | 1987-04-09 | 1987-04-09 | Drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615819Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6078370B2 (en) * | 2013-02-14 | 2017-02-08 | 本田技研工業株式会社 | Saddle riding vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58119915A (en) * | 1982-01-08 | 1983-07-16 | Honda Motor Co Ltd | Engine exhaust system supporter for two and three wheeled vehicle |
-
1987
- 1987-04-09 JP JP1987052719U patent/JPH0615819Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63160295U (en) | 1988-10-20 |
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