JPS60234089A - Drive for rear wheel of motorcycle - Google Patents
Drive for rear wheel of motorcycleInfo
- Publication number
- JPS60234089A JPS60234089A JP8616584A JP8616584A JPS60234089A JP S60234089 A JPS60234089 A JP S60234089A JP 8616584 A JP8616584 A JP 8616584A JP 8616584 A JP8616584 A JP 8616584A JP S60234089 A JPS60234089 A JP S60234089A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- motorcycle
- crankshaft
- rear wheel
- chain wheel
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1816—Number of cylinders four
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F2001/244—Arrangement of valve stems in cylinder heads
- F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の技術分野、目的〕
この発明はシリンダの軸芯を車両の進行方向へ向けて搭
載した水平対向形、或いはＶ形などクランクケースの一
側と左側とにシリンダを配置した［２に輪車のエンジン
に関するものであり、特にそのエンジンの搭載構造を改
良し、前後車輪の軸間距離が過大になるのを防止するこ
とを目的とする。[Detailed description of the invention] [Technical field and purpose of the invention] This invention relates to a horizontally opposed type or V-type cylinder mounted with the axis of the cylinder facing the direction of travel of the vehicle, or a V-type cylinder mounted on one side and the left side of the crankcase. [2] relates to the engine of a wheeled vehicle, and its purpose is to improve the mounting structure of the engine in particular and to prevent the distance between the axes of the front and rear wheels from becoming excessive.
従来、クランクケースから車両の前後方向に向かって伸
びる、少々くと′４１１対のシリンダを対向形に配置し
た自動二輪車は、既に出願人によって提案されている（
例えば特開昭５８−２２４８１号公報）。Conventionally, the applicant has already proposed a motorcycle in which a pair of cylinders extending from the crankcase in the longitudinal direction of the vehicle are disposed in an opposed manner.
For example, Japanese Patent Laid-Open No. 58-22481).
然ルニ、この種エンジンは、比較的シリンダの軸方向の
長さが長いので、エンジンの前端が前輪に干渉しないよ
う後方にすら［２て搭載すると、今度はクランク軸と後
輪を支持する揺動アームとが干渉すること＼なり、前後
車輪の軸間距離を長大化せざるを得ない。However, this type of engine has a relatively long cylinder in the axial direction, so if the front end of the engine is mounted at the rear so that it does not interfere with the front wheel, the rocker that supports the crankshaft and rear wheel will be installed. This causes interference with the moving arm, and the distance between the axes of the front and rear wheels has to be increased.
この発明は上記不具合を解消すべくなされたもので、ク
ランクケースから前後に伸びる少なくとも一対のシリン
ダを有するエンジンと、その下方に設けた変速機とで動
カニニットを構成し、その動カニニットの駆動鎖車と後
輪に設けた従動鎖車との間に駆動チェーンを巻き掛けた
自動二輪車において、前記エンジンはクランク軸の側方
のケースを外方へ突出させて発電機の収容室となし、そ
のケースの後部を発電機収容室の内側で窪ませ、クラン
ク軸を後方に配置された前記駆動鎖車に接近する処まで
後退させた点に特徴がある。This invention was made to solve the above-mentioned problems, and consists of a dynamic crab unit consisting of an engine having at least a pair of cylinders extending forward and backward from the crankcase and a transmission provided below the engine, and a drive chain of the dynamic crab unit. In a motorcycle in which a drive chain is wound between the vehicle and a driven chain wheel provided on the rear wheel, the engine has a case on the side of the crankshaft that protrudes outward to serve as a housing chamber for the generator. A distinctive feature is that the rear part of the case is recessed inside the generator housing chamber, and the crankshaft is moved back to a point where it approaches the drive chain wheel located at the rear.
以下、図示の実施例によってこの発明を説明すると、１
は自動二輪車であり、クレードル形の車体枠２に水平対
向形のエンジンを有する動カニニット３を搭載している
。４はテレスコピンク形の前フオークによって左右転向
可能に支持された前輪、５は操向ハンドルである。車体
枠２の後部には上下揺動自在のリアアーム６が軸支され
、その後端に後輪７が支持されており、そこに取付られ
た従動鎖車７ａと、動カニニット３の出力軸８に取付ら
れた駆動鎖車９との間に駆動チェーン１０が巻き掛けら
れている。１１け車体枠２の前部に設けられたエンジン
水冷用のラジェータ、１２は燃料タンク、１３は乗員の
座席、１４は排気消音器でちる。The present invention will be explained below with reference to illustrated embodiments.1
is a motorcycle, and a moving crab unit 3 having a horizontally opposed engine is mounted on a cradle-shaped body frame 2. 4 is a front wheel supported by a telescopic pink front fork so that it can be turned left or right, and 5 is a steering handle. A rear arm 6 that can swing up and down is pivotally supported at the rear of the vehicle body frame 2, and a rear wheel 7 is supported at its rear end. A drive chain 10 is wound around the attached drive chain wheel 9. 11 is a radiator for cooling the engine provided at the front of the vehicle body frame 2; 12 is a fuel tank; 13 is a passenger seat; and 14 is an exhaust silencer.
動カニニット３け、第１図および第３図で示すように、
クランクケース１５から車両の進行方向に伸びる各２個
のシリンダ１６を有する４気筒エンジンＥを有する。エ
ンジンＥの下方は、入力軸１７と出力軸８、およびそれ
らの間に設けられた変速歯車群１８によって構成される
変速機Ｔが配される。クランクケース１５はｉ速機Ｔの
ケースを兼ねる。なお、変速機Ｔの出力軸８は同時に動
カニニット３の出力軸でもある。１９はクランク軸であ
り、連接棒２０を介してシリンダ１６内に摺動自在に嵌
合されたピストン２１と連結される。Three moving crab knits, as shown in Figures 1 and 3,
It has a four-cylinder engine E having two cylinders 16 each extending from a crankcase 15 in the direction of travel of the vehicle. A transmission T is disposed below the engine E, and is configured by an input shaft 17, an output shaft 8, and a gear change gear group 18 provided between them. The crankcase 15 also serves as a case for the i-speed engine T. Note that the output shaft 8 of the transmission T is also the output shaft of the moving crab knit 3 at the same time. Reference numeral 19 denotes a crankshaft, which is connected via a connecting rod 20 to a piston 21 that is slidably fitted into the cylinder 16 .
クランク軸１９の一端には発電機２２が、また他端には
、駆動歯車２３が設けられ、減速大歯車２４、クラッチ
２５を介して変速機の入力軸１Ｔへ出力する。２６は変
速歯車群１８を切換え作動する従来公知のシフトカムで
ある。A generator 22 is provided at one end of the crankshaft 19, and a drive gear 23 is provided at the other end, which outputs an output via a large reduction gear 24 and a clutch 25 to the input shaft 1T of the transmission. 26 is a conventionally known shift cam that switches and operates the transmission gear group 18.
前記発電機２２はクランクケース１５の側面に一体に設
けたクランクカバー１５ａと、発電機カバー１５ｂとか
らなるケースにより発を機収容室１５ｃを設け、そこに
発電機２２を収容することによって形成される。クラン
クカバー１５．の後部には収容室１５ｃの内側へ向かう
窪み２７が形成してあり、そこには前記駆動鎖車９の前
端が入り込んでいる。The generator 22 is formed by providing a generator accommodating chamber 15c in a case consisting of a crank cover 15a and a generator cover 15b integrally provided on the side surface of the crankcase 15, and accommodating the generator 22 therein. Ru. Crank cover 15. A recess 27 is formed at the rear of the storage chamber 15c, and the front end of the drive chain wheel 9 is inserted into the recess 27.
すなわち、クランクケース１５と共に、クランク軸１９
を駆動鎖車９に接近する処まで後方に後退させである。That is, together with the crankcase 15, the crankshaft 19
The drive chain wheel 9 is moved backward until it approaches the drive chain wheel 9.
この発明は以上のように、クランクケースから前後に伸
びる少なくとも一対のシリンダを有するエンジンの、ク
ランク軸の側方のケースヲ外方へ突出させて発電機など
、エンジン部材の収容室となし、その収容室を形成する
ケースの後部に窪みを作り、後輪を駆動する駆動鎖車の
前部をこの窪み内に臨ませたから、クランク軸と駆動鎖
車との干渉を防止しつ＼、動カニニットの全体を車両の
後方に搭載することができ、よって前後車輪の軸間距離
を長大化し易い従来の不具合を克服できる効果がある。As described above, in an engine having at least a pair of cylinders extending longitudinally from the crankcase, the case on the side of the crankshaft is made to protrude outward to serve as a housing chamber for engine parts such as a generator, A recess is made in the rear of the case that forms the chamber, and the front part of the drive chain wheel that drives the rear wheels faces into this recess.This prevents interference between the crankshaft and the drive chain wheel, and allows the movement of the moving crab knit. The entire system can be mounted at the rear of the vehicle, which has the effect of overcoming the conventional problem of easily increasing the distance between the axes of the front and rear wheels.
図面はこの発明の一実施例を示すもので、第１図はエン
ジンの一部を破断した平面図、第２図は自動二輪車の側
面図、第３図は一部を破断した動カニニットの側面図で
ある。
３・・・・動カニニット、８・・命・出力軸、９・・拳
・駆動鎖車、１０Φ−拳拳駆動チェーン、１５＆・＠ψ
・クランクカバー、１５ｂ＠−・・カバー、１５ｃ・壷
φ・収容室、２７−・・・窪み。
特許出願人 ヤマハ発動機株式会社The drawings show one embodiment of the present invention, in which Fig. 1 is a partially cutaway plan view of the engine, Fig. 2 is a side view of the motorcycle, and Fig. 3 is a partially cutaway side view of the dynamic crab knit. It is a diagram. 3... moving crab knit, 8... life/output shaft, 9... fist/drive chain wheel, 10Φ-fist fist drive chain, 15 &...@ψ
・Crank cover, 15b@-...Cover, 15c・Curn φ・Accommodation chamber, 27-...Recess. Patent applicant Yamaha Motor Co., Ltd.
Claims (4)
のシリンダを有するエンジンと、その下方に設けた変速
機とで動カニニットを構成し、その動カニニットの駆動
鎖車と後輪に設けた従動鎖車との間に駆動チェーンを巻
き掛けた自動二輪車において、前記エンジンはクランク
軸の側方のケースを外方へ突出させてエンジン部材の収
容室となし、そのケースの後部を前記収容室の内側で窪
ませ、クランク軸を後方に配置された前記駆動鎖車に接
近する処まで後退させてなる自動二輪車の後輪駆動装置
。(1) An engine having at least one pair of cylinders extending forward and backward from the crankcase and a transmission installed below constitute a dynamic crab unit, and a driving chain wheel of the dynamic crab unit and a driven chain wheel provided on the rear wheel. In a motorcycle in which a drive chain is wound between the engine and the crankshaft, a case on the side of the crankshaft protrudes outward to serve as a housing chamber for engine components, and a rear part of the case is recessed inside the housing chamber. A rear wheel drive device for a motorcycle, in which the crankshaft is moved backward until it approaches the drive chain wheel disposed at the rear.
１項記載の自動二輪車の後輪駆動装置。(2) The rear wheel drive device for a motorcycle according to claim 1, wherein the engine member is a generator.
項記載の自動二輪車の後輪駆動装置。(3) Claim 1: The engine is of a horizontally opposed type.
Rear wheel drive device for a motorcycle as described in .
れた特許請求の範囲第１項記載の自動二輪車の後輪駆動
装置。(4) The rear wheel drive device for a motorcycle according to claim 1, wherein the crankshaft is disposed in front of and above the drive chain wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8616584A JPS60234089A (en) | 1984-05-01 | 1984-05-01 | Drive for rear wheel of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8616584A JPS60234089A (en) | 1984-05-01 | 1984-05-01 | Drive for rear wheel of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60234089A true JPS60234089A (en) | 1985-11-20 |
Family
ID=13879135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8616584A Pending JPS60234089A (en) | 1984-05-01 | 1984-05-01 | Drive for rear wheel of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60234089A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63192685A (en) * | 1987-02-04 | 1988-08-10 | 本田技研工業株式会社 | V-shaped engine for motorcycle |
| JP2007092698A (en) * | 2005-09-30 | 2007-04-12 | Honda Motor Co Ltd | Power device for vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58139884A (en) * | 1982-02-12 | 1983-08-19 | ヤマハ発動機株式会社 | Motorcycle |
-
1984
- 1984-05-01 JP JP8616584A patent/JPS60234089A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58139884A (en) * | 1982-02-12 | 1983-08-19 | ヤマハ発動機株式会社 | Motorcycle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63192685A (en) * | 1987-02-04 | 1988-08-10 | 本田技研工業株式会社 | V-shaped engine for motorcycle |
| JP2007092698A (en) * | 2005-09-30 | 2007-04-12 | Honda Motor Co Ltd | Power device for vehicle |
| JP4578374B2 (en) * | 2005-09-30 | 2010-11-10 | 本田技研工業株式会社 | Vehicle power unit |
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