JPS59195482A - Motorcycle - Google Patents
MotorcycleInfo
- Publication number
- JPS59195482A JPS59195482A JP6820283A JP6820283A JPS59195482A JP S59195482 A JPS59195482 A JP S59195482A JP 6820283 A JP6820283 A JP 6820283A JP 6820283 A JP6820283 A JP 6820283A JP S59195482 A JPS59195482 A JP S59195482A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- axis
- cylinder
- crankshaft
- crab
- 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)
- 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〕
この発明は前後車輪間に一個又は並列に配置された複数
個のシリンダを有するエンジンを搭載した自動二輪車に
関するもので、特にその自動二輪車の前後車輪間の距離
を可及的に短縮することを目的とするものである。[Detailed Description of the Invention] [Technical Field of the Invention] This invention relates to a motorcycle equipped with an engine having one cylinder or a plurality of cylinders arranged in parallel between the front and rear wheels, and particularly relates to the front and rear wheels of the motorcycle. The purpose is to shorten the distance between the two as much as possible.
一般に自動二輪車の前後車輪間にはエンジンと変速機と
を含む動カニニットが搭載されている。Generally, a moving unit including an engine and a transmission is mounted between the front and rear wheels of a motorcycle.
近年、自動二輪車の高速化のために大出力の動カニニッ
トが要求される傾向にあるが、斯る動カニニットはエン
ジン及び変速機が大型であるため、前後車輪間の距離が
大きくなり、車両が一層大型化し、車重が増して取扱に
熟練を要するようになる０
〔発明の概要〕
この発明は上記不具合を解消すべくなされたもので、ク
ランク箱にシリンダを上下方向へ、またクランク軸を車
両の左右方向へ向けて支持した工ンジンと、このエンジ
ンに接続される変速機とで動カニニットを構成し、この
動カニニットを前後車輪間に搭載すると共に、クランク
軸の軸線をシリンダの軸線よシ、前方或いは後方に偏し
て配置した点に特徴がある。In recent years, there has been a trend for high-output dynamic crab knits to be required to increase the speed of motorcycles, but since such movable kaninits have large engines and transmissions, the distance between the front and rear wheels becomes large, making it difficult for the vehicle to move. [Summary of the Invention] This invention was made to solve the above-mentioned problems. An engine supported in the left-right direction of the vehicle and a transmission connected to this engine form a dynamic crab unit, and this dynamic crab unit is mounted between the front and rear wheels, and the axis of the crankshaft is aligned with the axis of the cylinder. It is distinctive in that it is placed biased toward the front or rear.
以下、図示の実施例によシ本発明を説明する。 The present invention will be explained below with reference to illustrated embodiments.
第１図において、１は自動二輪車であシ、車体枠２の前
端には前フオーク３を介して前車輪４が、また後部には
後フオーク５を介して後車輪６がそれぞれ支持されてい
る。５１は後フオーク５の取付は軸、５ｂは後フオーク
５を車体枠２に対して上下揺動自在に懸架する緩衝ばね
である。車体枠２は前端の操向軸管２ａから後方へ伸び
る主パイプ２ｂと下方へ伸びる下行パイプ２ｃとを下端
部において水平管２ｄで互いに連結してなるクレードル
形である。７は前車輪４と後車輪６との間に搭載された
動カニニットであシ、並列形の空冷四気筒内燃機関７ａ
と変速機７ｂとからなる。動カニニット７は後部を前記
主パイプ２ｂによって支持され、前部を下行パイプ２ｃ
によって支持されている。 ２ｅ は下行パイプ２Ｃ
に固定され、動カニニット７の前部を支持するブラケッ
トである。In FIG. 1, 1 is a motorcycle, and a front wheel 4 is supported at the front end of a body frame 2 via a front fork 3, and a rear wheel 6 is supported at the rear via a rear fork 5. . Reference numeral 51 designates a shaft to which the rear fork 5 is attached, and reference numeral 5b designates a buffer spring that suspends the rear fork 5 with respect to the vehicle body frame 2 so as to be vertically swingable. The vehicle body frame 2 has a cradle shape in which a main pipe 2b extending rearward from a steering shaft pipe 2a at the front end and a descending pipe 2c extending downward are connected to each other at the lower end by a horizontal pipe 2d. Reference numeral 7 denotes a parallel type air-cooled four-cylinder internal combustion engine 7a, which is a movable crab unit mounted between the front wheels 4 and the rear wheels 6.
and a transmission 7b. The moving crab knit 7 has a rear part supported by the main pipe 2b, and a front part supported by the descending pipe 2c.
Supported by 2e is the descending pipe 2C
This is a bracket that is fixed to and supports the front part of the movable crab knit 7.
内燃機関１ａと変速機７ｂとはアルミニウム合金製のケ
ース内に収容され、その二部にクランク室８が形成され
る。クランク室８にはクランク軸９が回転自在に支持さ
れ、クランク軸９は連接棒１０を介し、シリンダ１１内
へ摺動自在に嵌合されたピストン１２に連結されている
。１４はシリンダ１１の上面を覆うシリンダヘッドであ
り、ピストン１２の頂面との間に燃焼室１５が形成され
ている。シリンダヘッド１４には燃焼室１５内を大気中
へ開口させる吸気通路１６と排気通路１７とが接続され
ている。The internal combustion engine 1a and the transmission 7b are housed in an aluminum alloy case, and a crank chamber 8 is formed in two parts of the case. A crankshaft 9 is rotatably supported in the crank chamber 8, and the crankshaft 9 is connected via a connecting rod 10 to a piston 12 that is slidably fitted into a cylinder 11. A cylinder head 14 covers the top surface of the cylinder 11, and a combustion chamber 15 is formed between the cylinder head 14 and the top surface of the piston 12. The cylinder head 14 is connected to an intake passage 16 and an exhaust passage 17 that open the inside of the combustion chamber 15 to the atmosphere.
すなわち、吸気通路１６の上流は吸気膨張室を兼ねたエ
アクリーナ箱り６ａ内に開口している。That is, the upstream side of the intake passage 16 opens into an air cleaner box 6a that also serves as an intake expansion chamber.
１６ｂはＦ紙、１６ｃはエアクリーナ箱り６ａ内を大気
中に開放する吸気管であシ、１８は吸気通路１６の途中
に設けた気化器である。16b is F paper, 16c is an intake pipe that opens the inside of the air cleaner box 6a to the atmosphere, and 18 is a carburetor provided in the middle of the intake passage 16.
排気通路１７の下流は排気管１７＆を介して車体後方に
取付けた消音器１７ｂに接続され、内燃機関１ａから排
出された既燃ガスは、排気管１７＆で消音されて大気中
へ放出される０
変速機７ｂはクランク室８を構成するケースと一体のケ
ースに収容されており、その出力は後フオーク５内を挿
通した駆動軸（図示してカい）を介して後輪６へ伝達さ
れる。２１は変速機７ｂの上部に搭載された発電機、２
２は内燃機関１ａを始動するだめの始動用電動機である
。２５は前記主パイプ２ｂに支持させた燃料タンク、２
６は乗員の座席である。The downstream side of the exhaust passage 17 is connected to a muffler 17b attached to the rear of the vehicle body via an exhaust pipe 17&, and burned gas discharged from the internal combustion engine 1a is muffled by the exhaust pipe 17& and released into the atmosphere. The transmission 7b is housed in a case that is integrated with the case that constitutes the crank chamber 8, and its output is transmitted to the rear wheel 6 via a drive shaft (shown) inserted through the rear fork 5. . 21 is a generator mounted on the upper part of the transmission 7b;
2 is a starting electric motor for starting the internal combustion engine 1a. 25 is a fuel tank supported by the main pipe 2b;
6 is a seat for a passenger.
こ＼で、Ｘはクランク軸９の軸線、２はシリンダ１１の
軸線である０
第２図は他の実施例を示すもので、内燃機関７は水冷形
で、その前面の下行ノくイブ２Ｃに機関水冷用のラジェ
ータ２３が取付けである０第１図に示す第１実施例では
、前記内燃機関７はシリンダ１１の軸線２がクランク軸
９の軸線Ｘよシ前側に偏倚させてあ〕、第２図に示す第
２実施例では、シリンダ１１の軸線２がクランク軸９の
軸線Ｘよシ後側に偏倚させである。Here, X is the axis of the crankshaft 9, and 2 is the axis of the cylinder 11.0 Fig. 2 shows another embodiment, in which the internal combustion engine 7 is of a water-cooled type, and the downward knob 2C on the front of the engine 7 is a water-cooled type. In the first embodiment shown in FIG. 1, in which a radiator 23 for engine water cooling is attached to the internal combustion engine 7, the axis 2 of the cylinder 11 is offset to the front side from the axis X of the crankshaft 9. In the second embodiment shown in FIG. 2, the axis 2 of the cylinder 11 is offset from the axis X of the crankshaft 9 to the rear side.
すなわち、第１実施例ではシリンダ１１がクランク軸に
比し、前方へ偏倚させてアシ、それに伴ってシリンダヘ
ッド１４の後方空間が大きくなり、吸気通路１６の上流
の吸気膨張室を兼ねたエアクリサ箱１６＆を一層大型化
して、自動二輪車の発する吸気騒音を軽減できる。That is, in the first embodiment, the cylinder 11 is biased forward relative to the crankshaft, and the rear space of the cylinder head 14 is accordingly enlarged, and an air cooler box that also serves as an intake expansion chamber upstream of the intake passage 16 is formed. 16& can be further enlarged to reduce intake noise emitted by motorcycles.
第２実施例ではシリンダ１１をクランク軸９から後方へ
偏倚させると共に、動力ユニツ）７全体を若干前方へ変
位させた位置で車体枠２に懸架し、吸気通路１６の収容
空間が縮小されないようにすると共に、機関７の前方に
ラジェータ２３を収容するための空間を捻出しである。In the second embodiment, the cylinder 11 is displaced rearward from the crankshaft 9, and the entire power unit 7 is suspended on the vehicle body frame 2 at a position slightly displaced forward, so that the accommodation space of the intake passage 16 is not reduced. At the same time, a space for accommodating the radiator 23 in front of the engine 7 is created.
すなわち、動カニニット後端の変速機７ｂが車体枠２に
対し前方へ移動するので、それに伴って後車輪６を支持
する後フオーク５の取付は軸５ａを前方へ移動させ、前
後車輪間の距離が短縮できる。In other words, since the transmission 7b at the rear end of the moving crab unit moves forward with respect to the vehicle body frame 2, the attachment of the rear fork 5 that supports the rear wheel 6 moves the shaft 5a forward, reducing the distance between the front and rear wheels. can be shortened.
実施例の機関が運転されると、従来の機関と同様ニ各ピ
ストン１２の運動に伴ってクランク軸９が回転し、変速
機２１を通して後車輪６に出力が取シ出される。When the engine of this embodiment is operated, the crankshaft 9 rotates with the movement of each piston 12, similar to the conventional engine, and output is delivered to the rear wheels 6 through the transmission 21.
この発明は以上のように、シリンダの軸線を路上下方向
へ、またクランク軸を車両の左右方向へそれぞれ向けて
配置したエンジンと、このエンジンに接続される変速機
とで動カニニットを構成し、その動カニニットを前後車
輪間に搭載すると共に、前記クランク軸の軸線をシリン
ダの軸線よシ前方或いは後方に偏して配置したものであ
るから、エンジン或いは変速機の前後に配置される部品
の大小、及びエンジンの前後に残された空間の大小に応
じて動カニニットの上部のみ、或いは下部のみを車体の
前方へ移動させることができる。したがって、エンジン
後方の上部或いは下部に部分的に空間が得られ、車両の
小型化及び軽量化が可能となる。よって車両の取扱を容
易にでき、且つ製造コストを低減できる効果がある。As described above, this invention constitutes a dynamic crab unit with an engine arranged with the axis of the cylinder facing downward on the road and the crankshaft facing left and right of the vehicle, and a transmission connected to this engine, The moving crab unit is mounted between the front and rear wheels, and the axis of the crankshaft is placed biased toward the front or rear of the cylinder axis, so the size of the parts placed before and after the engine or transmission will vary. Depending on the size of the space left before and after the engine, only the upper part or only the lower part of the movable crab knit can be moved forward of the vehicle body. Therefore, a space is partially provided in the upper or lower part behind the engine, and the vehicle can be made smaller and lighter. Therefore, the vehicle can be easily handled and manufacturing costs can be reduced.
図面はこの発明の一実施例を示すものであシ、第１図は
自動二輪車の要部の側面図、第２図は他の実施例を示す
実施例の要部の側面図である０２・争・・車体枠、４・
・・・前車輪、６・・・・後車輪、７・・・・動カニニ
ット、Ｔａ・・内燃機関、７ｂ・・・・変速機、８・・
・・クランク室、９・φｅ・クランク軸、１６・骨・・
吸気通路、１６＆＃・・・エアクリーナ箱Ｏ特許出願人
ヤマノ・発動機株式会社代理人 山川数構（Ｉ勃・
１名）The drawings show one embodiment of the present invention, FIG. 1 is a side view of the main parts of a motorcycle, and FIG. 2 is a side view of the main parts of the embodiment showing another embodiment. War...Vehicle frame, 4...
...Front wheel, 6...Rear wheel, 7...Dynamic crab knit, Ta...Internal combustion engine, 7b...Transmission, 8...
・・Crank chamber, 9・φe・Crankshaft, 16・Bone・・
Intake passage, 16&#...Air cleaner box O patent applicant Yamano Motor Co., Ltd. agent Kazuo Yamakawa (I
1 person)
Claims (1)
ク軸を車両の左右方向へ向けて支持したエンジンとこの
エンジンに従動する変速機とで動カニニットを構成し、
この動カニニットを前後車輪間に搭載すると共に、クラ
ンク軸の軸線をシリンダの軸線よシ、前方或いは後方に
偏して配置した自動二輪車。 （２）動カニニットはクランク軸の軸線をシリンダの軸
線よシ前方に偏倚させて配置したエンジンと、クランク
箱の後部に配置された変速機とを含む特許請求の範囲第
１項記載の自動二輪車。 （３）動カニニットはクランク軸の軸線をシリンダの軸
線よシ後方に偏倚させて配置したエンジンと、エンジン
のシリンダ後方に配置された大型のエアクリーナとを含
む特許請求の範囲第１項記載の自動二輪車。[Claims] A dynamic crab unit is constituted by an engine supported in an illumination two-ink box with cylinders oriented vertically and crankshafts oriented horizontally of the vehicle, and a transmission driven by this engine,
This motorcycle is equipped with this dynamic crab knit between the front and rear wheels, and the axis of the crankshaft is biased forward or backward relative to the axis of the cylinder. (2) The dynamic crab unit is a motorcycle according to claim 1, which includes an engine disposed with the axis of the crankshaft offset forward from the axis of the cylinder, and a transmission disposed at the rear of the crank box. . (3) The automatic crab unit according to claim 1 includes an engine in which the axis of the crankshaft is offset rearward from the axis of the cylinder, and a large air cleaner disposed behind the cylinder of the engine. Two-wheeled vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6820283A JPS59195482A (en) | 1983-04-18 | 1983-04-18 | Motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6820283A JPS59195482A (en) | 1983-04-18 | 1983-04-18 | Motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59195482A true JPS59195482A (en) | 1984-11-06 |
| JPH0479875B2 JPH0479875B2 (en) | 1992-12-17 |
Family
ID=13366968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6820283A Granted JPS59195482A (en) | 1983-04-18 | 1983-04-18 | Motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195482A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005005808A1 (en) | 2003-07-10 | 2005-01-20 | Yamaha Hatsudoki Kabushiki Kaisha | Engine for saddle riding-type motor vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127609A (en) * | 1974-08-17 | 1976-03-08 | Yamaha Motor Co Ltd | 2 saikuruenjin |
| JPS51109305U (en) * | 1975-02-27 | 1976-09-03 | ||
| JPS549127U (en) * | 1977-06-21 | 1979-01-22 | ||
| JPS5431140A (en) * | 1977-08-10 | 1979-03-07 | Yamaha Motor Co Ltd | Autobicycle with exhaust purifier |
| JPS5489115A (en) * | 1977-12-26 | 1979-07-14 | Suzuki Motor Co Ltd | Scuffing preventing device of piston engine |
| JPS5540354U (en) * | 1978-09-08 | 1980-03-15 | ||
| JPS5637066U (en) * | 1979-08-27 | 1981-04-09 | ||
| JPS5773801A (en) * | 1980-08-25 | 1982-05-08 | Jiyon Bii Jiima | Internal combustion engine |
| JPS5822821U (en) * | 1982-05-04 | 1983-02-12 | 東京電力株式会社 | Digital protective relay device |
-
1983
- 1983-04-18 JP JP6820283A patent/JPS59195482A/en active Granted
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127609A (en) * | 1974-08-17 | 1976-03-08 | Yamaha Motor Co Ltd | 2 saikuruenjin |
| JPS51109305U (en) * | 1975-02-27 | 1976-09-03 | ||
| JPS549127U (en) * | 1977-06-21 | 1979-01-22 | ||
| JPS5431140A (en) * | 1977-08-10 | 1979-03-07 | Yamaha Motor Co Ltd | Autobicycle with exhaust purifier |
| JPS5489115A (en) * | 1977-12-26 | 1979-07-14 | Suzuki Motor Co Ltd | Scuffing preventing device of piston engine |
| JPS5540354U (en) * | 1978-09-08 | 1980-03-15 | ||
| JPS5637066U (en) * | 1979-08-27 | 1981-04-09 | ||
| JPS5773801A (en) * | 1980-08-25 | 1982-05-08 | Jiyon Bii Jiima | Internal combustion engine |
| JPS5822821U (en) * | 1982-05-04 | 1983-02-12 | 東京電力株式会社 | Digital protective relay device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0479875B2 (en) | 1992-12-17 |
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