JPH07117774A - Rear wheel suspension device - Google Patents
Rear wheel suspension deviceInfo
- Publication number
- JPH07117774A JPH07117774A JP26142393A JP26142393A JPH07117774A JP H07117774 A JPH07117774 A JP H07117774A JP 26142393 A JP26142393 A JP 26142393A JP 26142393 A JP26142393 A JP 26142393A JP H07117774 A JPH07117774 A JP H07117774A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- rear wheel
- wheel suspension
- chain
- suspension device
- 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
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、チェーンカバーを片持
式のスイングアームと兼用して形成した自動二輪車の後
輪懸架装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear wheel suspension system for a motorcycle in which a chain cover is also used as a cantilever type swing arm.
【０００２】[0002]
【従来の技術】従来、特公平５−５５３５３号公報に記
載されているようなエンジン後部から側方へ突出した出
力軸と平行で車体中心より左右両方向に延び、且つ軸芯
回りに回動自在なスイングアームを兼ねるチェーンカバ
ーを設けた自動二輪車が知られている。2. Description of the Related Art Conventionally, as disclosed in Japanese Patent Publication No. 5-55353, it extends in both left and right directions from the center of the vehicle body in parallel with an output shaft protruding laterally from the rear part of the engine and is rotatable about an axis. There are known motorcycles provided with a chain cover that also functions as a swing arm.
【０００３】[0003]
【発明が解決しようとする課題】従来の技術において
は、スイングアームとしての強度を確保するためにスイ
ングアームを兼ねるチェーンカバーが、外側へ広がって
チェーンカバー幅が厚くなるという問題点を有してい
た。In the prior art, the chain cover also serving as a swing arm in order to secure the strength of the swing arm has a problem that the width of the chain cover becomes thicker as it spreads to the outside. It was
【０００４】本発明は、従来の技術が有するこのような
問題点に鑑みてなされたものであり、その目的とすると
ころは、タイヤ等の干渉を避けて幅方向を増やすことな
く、スイングアームとしての強度を確保することが出来
る後輪懸架装置を提供しようとするものである。The present invention has been made in view of the above problems of the prior art, and an object of the present invention is as a swing arm without increasing the width direction while avoiding the interference of tires and the like. It is an object of the present invention to provide a rear wheel suspension device that can secure the strength of the rear wheel.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決すべく本
発明は、チェーンカバーを片持式のスイングアームと兼
用して形成した後輪懸架装置において、前記チェーンカ
バーは強度メンバーとしての内側カバーとカバー部材と
しての外側カバーから成り、この内側カバーを後輪と反
対方向にチェーンベルトの内側に入り込むように中央部
を膨出して形成したものである。SUMMARY OF THE INVENTION To solve the above problems, the present invention provides a rear wheel suspension system in which a chain cover is also used as a cantilever type swing arm, wherein the chain cover is an inner cover as a strength member. And an outer cover as a cover member, and the inner cover is formed by bulging the central portion so as to enter the inside of the chain belt in the direction opposite to the rear wheel.
【０００６】[0006]
【作用】チェーンカバーを成す内側カバーを、後輪と反
対方向でチェーンベルトの内側に入り込むように中央部
を膨出して形成したことによって、チェーンカバーの幅
方向の厚みを増やすことなく、スイングアームとしての
強度が確保される。[Function] The inner cover forming the chain cover is formed by bulging the central portion so as to enter the inside of the chain belt in the direction opposite to the rear wheel, so that the swing arm does not have to be thickened in the width direction. The strength as is secured.
【０００７】[0007]
【実施例】以下に本発明の実施例を添付図面に基づいて
説明する。ここで、図１は本発明に係る後輪懸架装置を
適用した自動二輪車の側面図、図２は本発明に係る後輪
懸架装置の側面拡大図、図３は図２のＡ−Ａ線断面拡大
図、図４は図２のＡ−Ａ線断面の別実施例の拡大図、図
５は本発明に係る後輪懸架装置の横断平面図である。Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a side view of a motorcycle to which a rear wheel suspension device according to the present invention is applied, FIG. 2 is a side enlarged view of a rear wheel suspension device according to the present invention, and FIG. 3 is a cross section taken along line AA of FIG. FIG. 4 is an enlarged view, FIG. 4 is an enlarged view of another embodiment taken along the line AA of FIG. 2, and FIG. 5 is a cross-sectional plan view of the rear wheel suspension system according to the present invention.
【０００８】図１及び図２に示すように本発明に係る後
輪懸架装置を適用した自動二輪車において、車体１の前
側下部にはフロントフォーク２で前輪３が左側に片持ち
支持され、フロントフォーク２はその上部を車体１のヘ
ッドパイプ（不図示）に回動自在に支持されている。As shown in FIGS. 1 and 2, in a motorcycle to which the rear wheel suspension system according to the present invention is applied, a front fork 2 is cantilevered to the left side by a front fork 2 at the lower front part of the vehicle body 1, and a front fork is provided. An upper portion of the reference numeral 2 is rotatably supported by a head pipe (not shown) of the vehicle body 1.
【０００９】そして、フロントフォーク２の上端には、
トップブリッジ上にハンドル部の外観形状を成すハンド
ルカバー４によって被装されたバー状のハンドルの端部
にハンドルグリップ５が配設されると共に、ハンドルカ
バー４の前面には前方に臨む前照灯６及びその左右両側
に位置する方向指示灯７が配設されている。また、車体
１の前面は、レッグシールド８によって覆われている。At the upper end of the front fork 2,
A handle grip 5 is arranged at the end of a bar-shaped handle that is covered by a handle cover 4 that has the appearance of a handle on the top bridge, and a headlight that faces the front of the handle cover 4 in the front direction. 6 and direction indicators 7 located on both the left and right sides thereof. The front surface of the vehicle body 1 is covered with a leg shield 8.
【００１０】一方、車体１の前側から後側には、車体フ
レーム１０が形成され、この車体フレーム１０の略中央
下部にパワーユニット１１が設けられている。また、車
体フレーム１０の下端部に足載せ用ステップ１２が配設
されていると共に、後輪１３を右側に片持ち支持しスイ
ングアームと兼用して形成されたチェーンカバー１４が
回動自在に支持されてる。On the other hand, a vehicle body frame 10 is formed from the front side to the rear side of the vehicle body 1, and a power unit 11 is provided in the lower center of the vehicle body frame 10. Further, a footrest step 12 is arranged at the lower end portion of the vehicle body frame 10, and a chain cover 14 which is cantilevered to the right of the rear wheel 13 and doubles as a swing arm is rotatably supported. Has been done.
【００１１】また、車体フレーム１０は、レッグシール
ド８、パワーユニットカバー１５や後輪１３の上部後方
まで延出した車体カバー１６などにより覆われ、車体カ
バー１６の上部にシート１７及び荷台１８が配設されて
いる。The vehicle body frame 10 is covered with a leg shield 8, a power unit cover 15, a vehicle body cover 16 extending to a rear upper portion of the rear wheel 13, and the like, and a seat 17 and a luggage carrier 18 are provided on the vehicle body cover 16. Has been done.
【００１２】チェーンカバー１４は、図３に示すように
強度メンバーとしての内側カバー２０と、カバー部材と
しての外側カバー２１の２分割から成り、これら内側カ
バー２０と外側カバー２１は共に、図４に示すように後
輪１３と反対方向でその中央部２０ａ，２１ａを膨出し
て湾曲に形成されている。As shown in FIG. 3, the chain cover 14 is divided into two parts, an inner cover 20 as a strength member and an outer cover 21 as a cover member. Both the inner cover 20 and the outer cover 21 are shown in FIG. As shown, the central portions 20a and 21a thereof are bulged in a direction opposite to the rear wheel 13 to be curved.
【００１３】特に、内側カバー２０は、チェーンベルト
２２で囲まれた空間部分に入り込むまで中央部２０ａを
膨出して形成されている。なお、図２に示すように外側
カバー２１を内側カバー２０にねじ２３で取付けること
によって、チェーンカバー１４が一体的に形成され、チ
ェーンベルト２２全体を覆うことが出来る。なお、図４
に示すように内側カバー２０を外側カバー２１の膨出部
２１ａ内まで、入り込む程膨出させてもよい。また、内
側カバー２０の膨出部２０ａは、閉断面を有さず、タイ
ヤ３８側が開放されている。In particular, the inner cover 20 is formed by bulging the central portion 20a until it enters the space surrounded by the chain belt 22. By attaching the outer cover 21 to the inner cover 20 with screws 23 as shown in FIG. 2, the chain cover 14 is integrally formed, and the entire chain belt 22 can be covered. Note that FIG.
As shown in, the inner cover 20 may be expanded to the inside of the expanded portion 21a of the outer cover 21 as it enters. The bulging portion 20a of the inner cover 20 does not have a closed cross section, and the tire 38 side is open.
【００１４】チェーンカバー１４を構成する内側カバー
２０の前側部と車体フレーム１０の下端部には、図５に
示すようにパワーユニット１１の出力軸２５と平行にピ
ボットシャフト２６が貫通するように配設されている。
ピボットシャフト２６の一端部は、ボールベアリング２
７を介して車体フレーム１０の下端部に取付けられ、他
端部は、ボールベアリング２８を介して内側カバー２０
の前側部に取付けられている。As shown in FIG. 5, a pivot shaft 26 is arranged in parallel with the output shaft 25 of the power unit 11 at the front side of the inner cover 20 constituting the chain cover 14 and the lower end of the vehicle body frame 10. Has been done.
One end of the pivot shaft 26 has a ball bearing 2
7 is attached to the lower end of the vehicle body frame 10 via the inner end of the inner cover 20 via a ball bearing 28.
It is attached to the front side of the.
【００１５】更に、ピボットシャフト２６の中間部外周
には、一端に第１プーリ３０が形成され、他端に第２歯
車３１を嵌合した円筒状のスリーブ３２がボールベアリ
ング３３，３４を介して嵌装されている。第２歯車３１
は、出力軸２５の一端に固設された第１歯車３５と噛合
している。Further, a first pulley 30 is formed at one end on the outer periphery of the intermediate portion of the pivot shaft 26, and a cylindrical sleeve 32 having a second gear 31 fitted at the other end is provided with ball bearings 33, 34. It is fitted. Second gear 31
Engages with a first gear 35 fixed to one end of the output shaft 25.
【００１６】また、内側カバー２０の後側部には、ボー
ルベアリング（不図示）を介して後輪１３の車軸３６が
回転自在に支持されている。そして、車軸３６の一端部
には第２プーリ３７が取付けられ、他端部にはタイヤ３
８装着した後輪１３のホイール３９が取付けられてい
る。An axle 36 of the rear wheel 13 is rotatably supported on the rear side of the inner cover 20 via a ball bearing (not shown). The second pulley 37 is attached to one end of the axle 36, and the tire 3 is attached to the other end.
The wheel 39 of the rear wheel 13 that has been mounted is attached.
【００１７】第１プーリ３０と第２プーリ３７は、チェ
ーンベルト２２によって連結され、パワーユニット１１
の駆動力は、出力軸２５、第１歯車３５、第２歯車３
１、第１プーリ３０、第２プーリ３７を経て後輪１３の
車軸３６に伝達される。また、サスペンション４０が内
側カバー２０の前側部近傍と車体フレーム１０の間に略
垂直に配設されている。The first pulley 30 and the second pulley 37 are connected by a chain belt 22, and the power unit 11
The driving force of the output shaft 25, the first gear 35, the second gear 3
It is transmitted to the axle 36 of the rear wheel 13 via the first, first pulley 30, and second pulley 37. Further, the suspension 40 is arranged substantially vertically between the front side portion of the inner cover 20 and the body frame 10.
【００１８】以上のように構成した後輪懸架装置の作用
について説明する。自動二輪車がパワーユニット１１の
駆動力によって路面を走行すると、後輪１３に路面から
衝撃が伝達される。The operation of the rear wheel suspension device configured as described above will be described. When the motorcycle travels on the road surface by the driving force of the power unit 11, the shock is transmitted from the road surface to the rear wheels 13.
【００１９】すると、片持式のスイングアームを兼ねる
チェーンカバー１４がピボットシャフト２６の軸芯を中
心として揺動し、サスペンション４０との相互作用によ
って車体フレーム１０に加わる路面からの衝撃を緩和す
る。Then, the chain cover 14 which also functions as a cantilever type swing arm swings about the axis of the pivot shaft 26, and the interaction with the suspension 40 reduces the impact from the road surface applied to the vehicle body frame 10.
【００２０】ここで、内側カバー２０が後輪１３と反対
方向で、しかもチェーンベルト２２に囲まれた空間部分
に入り込むまで、その中央部２０ａを膨出して形成され
ているので、チェーンカバー１４の幅方向の厚みを増や
すことなく、スイングアームとしての強度が確保され
る。Here, since the inner cover 20 is formed in a direction opposite to the rear wheel 13 and further by bulging the central portion 20a thereof until it enters the space surrounded by the chain belt 22, the inner cover 20 is formed. The strength of the swing arm is secured without increasing the thickness in the width direction.
【００２１】[0021]
【発明の効果】以上説明したように本発明によれば、チ
ェーンカバーを成す内側カバーを後輪と反対方向でチェ
ーンベルトの内側に入り込むように中央部を膨出して形
成したので、タイヤ等の干渉を避けて、チェーンカバー
の幅方向の厚みを増やすことなく、スイングアームとし
ての強度を確保することが出来る。As described above, according to the present invention, since the inner cover forming the chain cover is formed by bulging the central portion so as to enter the inside of the chain belt in the direction opposite to the rear wheel, the inner cover is formed. The strength as a swing arm can be secured without avoiding interference and without increasing the thickness of the chain cover in the width direction.
【図１】本発明に係る後輪懸架装置を適用した自動二輪
車の側面図FIG. 1 is a side view of a motorcycle to which a rear wheel suspension device according to the present invention is applied.
【図２】本発明に係る後輪懸架装置の側面拡大図FIG. 2 is an enlarged side view of a rear wheel suspension device according to the present invention.
【図３】図２のＡ−Ａ線断面拡大図FIG. 3 is an enlarged sectional view taken along line AA of FIG.
【図４】図２のＡ−Ａ線断面の別実施例の拡大図FIG. 4 is an enlarged view of another embodiment of a cross section taken along the line AA of FIG.
【図５】本発明に係る後輪懸架装置の横断平面図FIG. 5 is a cross-sectional plan view of a rear wheel suspension device according to the present invention.
１…車体、１０…車体フレーム、１１…パワーユニッ
ト、１３…後輪、１４…チェーンカバー、２０…内側カ
バー、２０ａ…内側カバーの中央部，２１…外側カバ
ー、２１ａ…外側カバーの中央部、２２…チェーンベル
ト、２６…ピボットシャフト、４０…サスペンション。DESCRIPTION OF SYMBOLS 1 ... Car body, 10 ... Body frame, 11 ... Power unit, 13 ... Rear wheel, 14 ... Chain cover, 20 ... Inner cover, 20a ... Center part of inner cover, 21 ... Outer cover, 21a ... Center part of outer cover, 22 … Chain belt, 26… Pivot shaft, 40… Suspension.
Claims (1)
ムと兼用して形成した後輪懸架装置において、前記チェ
ーンカバーは強度メンバーとしての内側カバーとカバー
部材としての外側カバーから成り、この内側カバーを後
輪と反対方向にチェーンベルトの内側に入り込むように
中央部を膨出して形成したことを特徴とする後輪懸架装
置。1. A rear wheel suspension system in which a chain cover is formed also as a cantilever type swing arm, wherein the chain cover comprises an inner cover as a strength member and an outer cover as a cover member. A rear wheel suspension device, characterized in that the central portion is formed so as to bulge into the inside of the chain belt in the direction opposite to the rear wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26142393A JP3414452B2 (en) | 1993-10-19 | 1993-10-19 | Rear wheel suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26142393A JP3414452B2 (en) | 1993-10-19 | 1993-10-19 | Rear wheel suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07117774A true JPH07117774A (en) | 1995-05-09 |
| JP3414452B2 JP3414452B2 (en) | 2003-06-09 |
Family
ID=17361672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26142393A Expired - Fee Related JP3414452B2 (en) | 1993-10-19 | 1993-10-19 | Rear wheel suspension |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3414452B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006137310A (en) * | 2004-11-12 | 2006-06-01 | Honda Motor Co Ltd | Swing arm supporting structure of motorcycle |
| JP2006160173A (en) * | 2004-12-10 | 2006-06-22 | Honda Motor Co Ltd | Swing arm supporting structure for motorcycle |
| US8053156B2 (en) | 2005-06-30 | 2011-11-08 | Canon Kabushiki Kaisha | Toner, and toner production process |
| DE102011085588A1 (en) * | 2011-11-02 | 2013-05-02 | Bayerische Motoren Werke Aktiengesellschaft | Motorcycle, especially scooters |
| US8919483B2 (en) | 2012-01-03 | 2014-12-30 | Hero Motorcorp, Ltd. | Ridden vehicle with integrated fuel tank |
| US8950539B2 (en) | 2012-01-03 | 2015-02-10 | Hero Motorcorp Ltd. | Lightweight integrated rear suspension and drive enclosure for a ridden motorized vehicle |
-
1993
- 1993-10-19 JP JP26142393A patent/JP3414452B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006137310A (en) * | 2004-11-12 | 2006-06-01 | Honda Motor Co Ltd | Swing arm supporting structure of motorcycle |
| JP4563777B2 (en) * | 2004-11-12 | 2010-10-13 | 本田技研工業株式会社 | Motorcycle swing arm support structure |
| JP2006160173A (en) * | 2004-12-10 | 2006-06-22 | Honda Motor Co Ltd | Swing arm supporting structure for motorcycle |
| US8053156B2 (en) | 2005-06-30 | 2011-11-08 | Canon Kabushiki Kaisha | Toner, and toner production process |
| DE102011085588A1 (en) * | 2011-11-02 | 2013-05-02 | Bayerische Motoren Werke Aktiengesellschaft | Motorcycle, especially scooters |
| DE102011085588B4 (en) * | 2011-11-02 | 2014-01-23 | Bayerische Motoren Werke Aktiengesellschaft | Motorcycle, especially scooters |
| EP2589528B1 (en) * | 2011-11-02 | 2016-10-05 | Bayerische Motoren Werke Aktiengesellschaft | Motorised scooter |
| US8919483B2 (en) | 2012-01-03 | 2014-12-30 | Hero Motorcorp, Ltd. | Ridden vehicle with integrated fuel tank |
| US8950539B2 (en) | 2012-01-03 | 2015-02-10 | Hero Motorcorp Ltd. | Lightweight integrated rear suspension and drive enclosure for a ridden motorized vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3414452B2 (en) | 2003-06-09 |
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