JP3104209B2 - Motorcycle - Google Patents
MotorcycleInfo
- Publication number
- JP3104209B2 JP3104209B2 JP03067612A JP6761291A JP3104209B2 JP 3104209 B2 JP3104209 B2 JP 3104209B2 JP 03067612 A JP03067612 A JP 03067612A JP 6761291 A JP6761291 A JP 6761291A JP 3104209 B2 JP3104209 B2 JP 3104209B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust pipe
- vehicle body
- motorcycle
- guard member
- unit swing
- 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 - Fee Related
Links
Landscapes
- Automatic Cycles, And Cycles In General (AREA)
- Exhaust Silencers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、車体の後部下方にユニ
ットスイング式エンジンを備える自動二輪車に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motorcycle having a unit swing type engine below a rear part of a vehicle body.
【０００２】[0002]
【従来の技術】スクータ型自動二輪車等の小型の自動二
輪車の中には、車体後部にユニットスイング式エンジン
を上下揺動自在に支持し、該ユニットスイング式エンジ
ンの前傾シリンダから下方へ延びる排気管を車体側方へ
延出した後、車体後方に向かって延ばし、その延出端を
後輪側方に位置するマフラーに連結するものがある。2. Description of the Related Art In small motorcycles such as scooter type motorcycles, a unit swing type engine is supported at the rear of a vehicle body so as to be vertically swingable, and exhaust gas extending downward from a forward tilt cylinder of the unit swing type engine. In some cases, the pipe extends to the side of the vehicle body, then extends toward the rear of the vehicle body, and its extended end is connected to a muffler located on the side of the rear wheel.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上記自動二
輪車にあっては、排気管（特に車体側方に延出する部分
の下部）に縁石等が当たり、排気管のエンジンシリンダ
への取付部や当該排気管自体が損傷する等の不具合が発
生する虞がある。However, in the motorcycle described above, a curb or the like hits an exhaust pipe (particularly, a lower portion of a portion extending to the side of the vehicle body), and a portion where the exhaust pipe is attached to an engine cylinder or the like. There is a possibility that troubles such as damage to the exhaust pipe itself may occur.
【０００４】本発明は上記問題に鑑みてなされたもの
で、その目的とする処は、コンパクトな構成で排気管の
取付部や排気管自体を損傷から有効に保護することがで
きる自動二輪車を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a motorcycle capable of effectively protecting a mounting portion of an exhaust pipe and the exhaust pipe itself from damage with a compact configuration. Is to do.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、本発明は、車体の後部下方に、略水平に前掲するシ
リンダを前部に備えるとともに後部に後輪を軸支して成
るユニットスイング式エンジンを上下揺動自在に支持
し、該ユニットスイング式エンジンのシリンダから下方
へ延びる排気管を車体側方へ延出した後、車体後方に向
かって延ばし、その延出端を後輪側方に位置するマフラ
ーに連結して成る自動二輪車において、前記排気管の前
面から車体前方に延び、且つ、車幅方向に所定幅を有す
るガード部材を排気管の一部に部分的に結着し、該ガー
ド部材の下面を排気管の下面から車体前方に向かって斜
め上方に傾斜する傾斜面で構成したことを特徴とする。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a unit swing which is provided below a rear portion of a vehicle body with a cylinder substantially horizontally provided at the front and a rear wheel pivotally supported at the rear. An exhaust pipe extending downward from the cylinder of the unit swing type engine is extended to the vehicle body side, and then extended toward the rear of the vehicle body. In the motorcycle connected to the muffler located in the above, the guard member extending from the front surface of the exhaust pipe to the front of the vehicle body and having a predetermined width in the vehicle width direction is partially connected to a part of the exhaust pipe, The gar
The lower surface of the door member is constituted by an inclined surface which is inclined obliquely upward from the lower surface of the exhaust pipe toward the front of the vehicle body.
【０００６】[0006]
【作用】本発明によれば、排気管の縁石等が当たり易い
部位である下部前方にガード部材が結着されているた
め、縁石等はガード部材によって受けられ、しかも、ガ
ード部材の下面は排気管の下面から車体前方に向かって
斜め上方に傾斜する傾斜面を構成しているため、排気管
に加わる衝撃がガード部材の下面によって緩和され、排
気管の取付部や排気管自体の損傷が有効に防がれる。According to the present invention, since the guard member is attached to the lower front portion of the exhaust pipe where the curb and the like are easy to hit, the curb and the like are received by the guard member, and the lower surface of the guard member is exhausted. The lower surface of the pipe forms an inclined surface that slopes obliquely upward from the front of the vehicle body, so the impact applied to the exhaust pipe is mitigated by the lower surface of the guard member, and damage to the exhaust pipe mounting part and the exhaust pipe itself is effective. Is prevented.
【０００７】そして、ガード部材は排気管の一部に部分
的に結着されるため、コンパクトな構成で上記効果を得
ることができる。Since the guard member is partially connected to a part of the exhaust pipe, the above-mentioned effect can be obtained with a compact structure.
【０００８】[0008]
【実施例】以下に本発明の一実施例を添付図面に基づい
て説明する。An embodiment of the present invention will be described below with reference to the accompanying drawings.
【０００９】図１は本発明に係るスクータ型自動二輪車
の側面図、図２は同自動二輪車後部の平面図、図３は排
気管前端部の側面図、図４は同平面図である。FIG. 1 is a side view of a scooter type motorcycle according to the present invention, FIG. 2 is a plan view of a rear portion of the motorcycle, FIG. 3 is a side view of a front end portion of an exhaust pipe, and FIG. 4 is a plan view of the same.
【００１０】図１及び図２に基づいてスクータ型自動二
輪車１の概略構成を説明すると、該自動二輪車１の車体
の前、後部はそれぞれ前輪２、後輪３によって走行自在
に支持されており、前輪２はフロントフォーク４の下端
部に回転自在に軸支されている。Referring to FIGS. 1 and 2, a schematic structure of a scooter-type motorcycle 1 will be described. The front and rear portions of a body of the motorcycle 1 are supported by front wheels 2 and rear wheels 3 so as to be able to travel freely. The front wheel 2 is rotatably supported at the lower end of a front fork 4.
【００１１】又、車体後部にはユニットスイング式エン
ジン５が上下揺動自在に支持されている。即ち、ユニッ
トスイング式エンジン５の前方上部は不図示のリンク部
材を介して車体フレームに軸支されおり、同エンジン５
の後端上部はリヤクッション６を介して車体フレームに
懸架されている。そして、ユニットスイング式エンジン
５の後端部から側方に延出する出力軸（車軸）には前記
後輪３が結着されている。A unit swing type engine 5 is supported at the rear of the vehicle body so as to be vertically swingable. That is, the upper front part of the unit swing type engine 5 is supported by a body frame via a link member (not shown).
The upper rear end is suspended from the vehicle body frame via a rear cushion 6. The rear wheel 3 is connected to an output shaft (axle) extending laterally from the rear end of the unit swing type engine 5.
【００１２】ところで、上記ユニットスイング式エンジ
ン５はその前部に前傾シリンダ７を有しており、該シリ
ンダ７からは排気管８が延出している。この排気管８は
シリンダ７から下方に向かって延びた後、略直角に曲げ
られてユニットスイング式エンジン５の下方を外側方に
向かって延び、その後、再び略直角に曲げられて車体後
方に向かって延び、その延出端は後輪３の側方に斜めに
配設されるマフラー９に連結されている。The unit swing type engine 5 has a forwardly inclined cylinder 7 at a front portion thereof, and an exhaust pipe 8 extends from the cylinder 7. The exhaust pipe 8 extends downward from the cylinder 7, is bent at a substantially right angle, extends outward below the unit swing type engine 5, and is then bent at a substantially right angle again toward the rear of the vehicle body. The extension end thereof is connected to a muffler 9 which is disposed obliquely on the side of the rear wheel 3.
【００１３】而して、本実施例では、排気管８の下部前
方（外側方へ延びる部分の車軸方向中間前部）には、図
３及び図４に詳細に示されるガード部材１０が部分的に
結着されている。このガード部材１０は平面視コの字状
に成形された上面が開口するボックスを構成しており、
その下面は排気管８の下面から車体前方に向かって斜め
上方に傾斜する傾斜曲面１０ａ（図３参照）を構成し、
車幅方向には所定の幅を有している（図４参照）。尚、
ガード部材１０の下部には水抜き孔１１が穿設されてい
る。In this embodiment, a guard member 10 shown in detail in FIGS. 3 and 4 is partially provided in front of a lower portion of the exhaust pipe 8 (a portion extending outwardly in the middle in the axle direction). Is bound to. The guard member 10 constitutes a box whose upper surface is formed in a U-shape in plan view and has an opening.
The lower surface forms an inclined curved surface 10a (see FIG. 3) which is inclined obliquely upward from the lower surface of the exhaust pipe 8 toward the front of the vehicle body.
It has a predetermined width in the vehicle width direction (see FIG. 4). still,
A drain hole 11 is formed in the lower part of the guard member 10.
【００１４】以上のように、本実施例では車体の最下部
に位置する排気管８の縁石等が最も当たり易い部位にガ
ード部材１０が結着されているため、縁石等はガード部
材１０によって受けられ、しかも、ガード部材１０はそ
の下面が排気管８の下面から車体前方に向かって斜め上
方に傾斜する傾斜曲面１０ａを構成しているため、ガー
ド部材１０に縁石等が当たった際に排気管８に加わる衝
撃が傾斜曲面１０ａによって緩和され、排気管８のシリ
ンダ７への取付部や排気管８自体の損傷が有効に防がれ
る。As described above, in this embodiment, since the guard member 10 is attached to the portion of the exhaust pipe 8 located at the bottom of the vehicle body where the curb and the like are most likely to hit, the curb and the like are received by the guard member 10. In addition, since the lower surface of the guard member 10 forms an inclined curved surface 10a that is inclined obliquely upward from the lower surface of the exhaust pipe 8 toward the front of the vehicle body, the exhaust pipe is exposed when a curb or the like hits the guard member 10. The impact applied to the exhaust pipe 8 is mitigated by the inclined curved surface 10a, and damage to the attachment portion of the exhaust pipe 8 to the cylinder 7 and the exhaust pipe 8 itself are effectively prevented.
【００１５】又、ガード部材１０は排気管８の必要箇所
のみに設けられ、小さくて軽量であるため、これがユニ
ットスイング式エンジン５のバネ下重量の増大を招くこ
とはなく、コンパクトな構成で前記効果を得ることがで
きる。Further, since the guard member 10 is provided only at a required portion of the exhaust pipe 8 and is small and lightweight, it does not cause an increase in unsprung weight of the unit swing type engine 5 and has a compact structure. The effect can be obtained.
【００１６】[0016]
【発明の効果】以上の説明で明らかなように、本発明に
よれば、車体の後部下方に、略水平に前掲するシリンダ
を前部に備えるとともに後部に後輪を軸支して成るユニ
ットスイング式エンジンを上下揺動自在に支持し、該ユ
ニットスイング式エンジンのシリンダから下方へ延びる
排気管を車体側方へ延出した後、車体後方に向かって延
ばし、その延出端を後輪側方に位置するマフラーに連結
して成る自動二輪車において、前記排気管の前面から車
体前方に延び、且つ、車幅方向に所定幅を有するガード
部材を排気管の一部に部分的に結着し、該ガード部材の
下面を排気管の下面から車体前方に向かって斜め上方に
傾斜する傾斜面で構成したため、コンパクトな構成で排
気管の取付部や排気管自体を損傷から有効に保護するこ
とができるという効果が得られる。As is apparent from the above description, according to the present invention, a unit swing having the above-mentioned cylinder provided substantially horizontally at the front and under the rear of the vehicle body and supporting the rear wheel at the rear is provided. An exhaust pipe extending downward from the cylinder of the unit swing type engine is extended to the side of the vehicle body, and then extended toward the rear of the vehicle body. In the motorcycle connected to the muffler located in the above, the guard member extending from the front surface of the exhaust pipe to the front of the vehicle body and having a predetermined width in the vehicle width direction is partially connected to a part of the exhaust pipe, Since the lower surface of the guard member is formed as an inclined surface that is inclined obliquely upward from the lower surface of the exhaust pipe toward the front of the vehicle body, the mounting portion of the exhaust pipe and the exhaust pipe itself can be effectively protected from damage with a compact configuration. That Results can be obtained.
【図１】本発明に係るスクータ型自動二輪車の側面図で
ある。FIG. 1 is a side view of a scooter type motorcycle according to the present invention.
【図２】自動二輪車後部の平面図である。FIG. 2 is a plan view of a rear portion of the motorcycle.
【図３】排気管前端部の側面図である。FIG. 3 is a side view of a front end portion of an exhaust pipe.
【図４】排気管前端部の平面図である。FIG. 4 is a plan view of a front end portion of an exhaust pipe.
１ 自動二輪車 ３ 後輪 ５ ユニットスイング式エンジン ７ 前傾シリンダ ８ 排気管 ９ マフラー １０ ガード部材 １０ａ 傾斜曲面（下面） DESCRIPTION OF SYMBOLS 1 Motorcycle 3 Rear wheel 5 Unit swing type engine 7 Forward tilt cylinder 8 Exhaust pipe 9 Muffler 10 Guard member 10a Inclined curved surface (lower surface)
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ Ｂ６２Ｍ 7/02 Ｂ６２Ｍ 7/02 Ｆ (58)調査した分野(Int.Cl.7，ＤＢ名) F01N 7/08 B62J 23/00 B62K 11/00 B62M 7/02 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 identification code FI B62M 7/02 B62M 7/02 F (58) Field surveyed (Int.Cl. 7 , DB name) F01N 7/08 B62J 23 / 00 B62K 11/00 B62M 7/02
Claims (1)
リンダを前部に備えるとともに後部に後輪を軸支して成
るユニットスイング式エンジンを上下揺動自在に支持
し、該ユニットスイング式エンジンのシリンダから下方
へ延びる排気管を車体側方へ延出した後、車体後方に向
かって延ばし、その延出端を後輪側方に位置するマフラ
ーに連結して成る自動二輪車において、 前記排気管の前面から車体前方に延び、且つ、車幅方向
に所定幅を有するガード部材を排気管の一部に部分的に
結着し、該ガード部材の下面を排気管の下面から車体前
方に向かって斜め上方に傾斜する傾斜面で構成したこと
を特徴とする自動二輪車。1. A unit swing type engine comprising a cylinder, which is substantially horizontally described above, is provided at a front portion below a rear portion of a vehicle body and a rear wheel is pivotally supported at a rear portion of the unit swing type engine. In a motorcycle, an exhaust pipe extending downward from a cylinder of the engine extends to the side of the vehicle body, then extends toward the rear of the vehicle body, and the extended end is connected to a muffler located on the side of the rear wheel. A guard member extending forward from the front surface of the pipe and having a predetermined width in the vehicle width direction is partially connected to a part of the exhaust pipe, and a lower surface of the guard member is directed forward from the lower surface of the exhaust pipe toward the vehicle body. A motorcycle characterized in that the motorcycle has a slope that is inclined obliquely upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03067612A JP3104209B2 (en) | 1991-03-08 | 1991-03-08 | Motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03067612A JP3104209B2 (en) | 1991-03-08 | 1991-03-08 | Motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04279721A JPH04279721A (en) | 1992-10-05 |
| JP3104209B2 true JP3104209B2 (en) | 2000-10-30 |
Family
ID=13349953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03067612A Expired - Fee Related JP3104209B2 (en) | 1991-03-08 | 1991-03-08 | Motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3104209B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6444507B1 (en) | 1996-10-22 | 2002-09-03 | Seiko Epson Corporation | Fabrication process for thin film transistors in a display or electronic device |
-
1991
- 1991-03-08 JP JP03067612A patent/JP3104209B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6444507B1 (en) | 1996-10-22 | 2002-09-03 | Seiko Epson Corporation | Fabrication process for thin film transistors in a display or electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04279721A (en) | 1992-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4573745B2 (en) | Motorcycle with pillion step and mudguard | |
| JP3104209B2 (en) | Motorcycle | |
| JP2991756B2 (en) | Engine protector structure for motorcycle engine | |
| JP2657661B2 (en) | Underbody structure of motorcycle | |
| JP4556687B2 (en) | Scooter type motorcycle guard structure | |
| JPS58128988A (en) | Motorcycle | |
| JP5133541B2 (en) | Saddle riding vehicle | |
| CN110645079B (en) | Exhaust device of motorcycle | |
| JPH02128973A (en) | Bracket structure for foot rest of motorcycle | |
| JP3345039B2 (en) | Motorcycle engine cover device | |
| JP3380444B2 (en) | Motorcycle | |
| JP2511313Y2 (en) | Exhaust system for motorcycles | |
| JP3241421B2 (en) | Scooter locking device | |
| JPS6230859Y2 (en) | ||
| JP3166391B2 (en) | Motorcycle footrest | |
| JP3440728B2 (en) | Muffler mounting structure for motorcycle | |
| JPH02128986A (en) | Hydraulic rear brake device of motorcycle | |
| JP3123807B2 (en) | Motorcycle | |
| JPH10218058A (en) | Scooter type motorcycle | |
| JPH0224894Y2 (en) | ||
| JP3500797B2 (en) | Motorcycle center stand lock device mounting structure | |
| JP3838002B2 (en) | Motorcycle switch mounting structure | |
| JPH107058A (en) | Rear fender in scooter type vehicle | |
| JPS6327032Y2 (en) | ||
| JP2725189B2 (en) | Scooter exhaust pipe arrangement device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |