JPH0129193Y2 - - Google Patents
Info
- Publication number
- JPH0129193Y2 JPH0129193Y2 JP1983001147U JP114783U JPH0129193Y2 JP H0129193 Y2 JPH0129193 Y2 JP H0129193Y2 JP 1983001147 U JP1983001147 U JP 1983001147U JP 114783 U JP114783 U JP 114783U JP H0129193 Y2 JPH0129193 Y2 JP H0129193Y2
- Authority
- JP
- Japan
- Prior art keywords
- case
- reduction gear
- joint
- gear mechanism
- power unit
- 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
Links
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 3
Landscapes
- Automatic Cycles, And Cycles In General (AREA)
- Arrangement Of Transmissions (AREA)
Description
【考案の詳細な説明】
本考案は揺動式三輪車に係り、特にこれの減速
機構の配置に関する。[Detailed Description of the Invention] The present invention relates to a rocking tricycle, and particularly to the arrangement of a speed reduction mechanism therein.
後二輪が接地したままの状態で車体を左右にロ
ーリングさせる式の揺動式三輪車において、後輪
懸架系のばね下重量を軽減するために高重量のパ
ワーユニツトを車体にマウント支持し、該パワー
ユニツトにジヨイントケースを上下揺動自在に連
結し、該ジヨイントケースにリヤアクスルケース
を左右ローリング動自在に連結し、ジヨイントケ
ースと車体間に緩衝器を介設することが提案され
る。 In a rocking tricycle that rolls the vehicle body left and right while the rear two wheels remain in contact with the ground, a heavy power unit is mounted and supported on the vehicle body in order to reduce the unsprung weight of the rear wheel suspension system. It is proposed that a joint case is connected to the unit so as to be vertically swingable, a rear axle case is connected to the joint case so as to be able to roll horizontally, and a shock absorber is interposed between the joint case and the vehicle body.
しかしながら、比較的高重量の減速機構がばね
下重量に含まれていたため、揺動の慣性モーメン
トが未だ高く、乗心地性及び操縦安定性の点で改
善の余地が残されていた。 However, since the relatively heavy speed reduction mechanism was included in the unsprung weight, the moment of inertia of rocking was still high, and there remained room for improvement in terms of ride comfort and steering stability.
又後輪への出力伝達をシヤフトを介して行なう
と、反トルク現象が生じ、これが操縦安定性に影
響するため、ベルト、チエーン等による巻掛伝動
方式を採用せざるを得ない。そして、これら巻掛
伝動方式を採用すれば、等速ジヨイントの使用が
不可欠となり、この等速ジヨイントの耐久性を考
慮すれば、回転は該等速ジヨイントに伝えられる
前に十分減速されている必要がある。 Furthermore, if the power is transmitted to the rear wheels via the shaft, a counter-torque phenomenon will occur, which will affect the steering stability, so a wrap-around transmission system using a belt, chain, or the like must be adopted. If these wrap-around transmission methods are adopted, the use of a constant velocity joint becomes essential, and considering the durability of this constant velocity joint, the rotation must be sufficiently decelerated before being transmitted to the constant velocity joint. There is.
本考案は斯る事情に鑑みて成されたもので、そ
の目的とする処は、後輪懸架系のばね下重量を軽
減して乗心地性の向上を図るとともに、等速ジヨ
イント前で回転を十分減速することにより、該等
速ジヨイントの耐久性向上等を図り得るようにし
た揺動式三輪車を提供するにある。 The present invention was developed in light of these circumstances, and its purpose is to reduce the unsprung weight of the rear wheel suspension system to improve riding comfort, and to reduce rotation before the constant velocity joint. It is an object of the present invention to provide a rocking tricycle in which the durability of the constant velocity joint can be improved by sufficiently reducing the speed.
斯る目的を達成すべく本考案は車体にマウント
支持されたパワーユニツトにベルト式自動変速機
及び一次減速歯車機構を組込み、該一次減速歯車
とリヤアクスルケースに組込まれる二次減速歯車
機構とをチエーンにて連結したことをその要旨と
する。 In order to achieve this purpose, the present invention incorporates a belt type automatic transmission and a primary reduction gear mechanism into a power unit mounted and supported on the vehicle body, and chains the primary reduction gear and a secondary reduction gear mechanism incorporated in the rear axle case. The gist is that they were linked.
以下に本考案の好適一実施例を添付図面に基づ
いて詳述する。 A preferred embodiment of the present invention will be described below in detail with reference to the accompanying drawings.
第１図は本考案に係る揺動式三輪車の全体側面
図、第２図は同三輪車の駆動系の拡大側面図、第
３図は同破断平面図である。 FIG. 1 is an overall side view of the rocking tricycle according to the present invention, FIG. 2 is an enlarged side view of the drive system of the tricycle, and FIG. 3 is a cutaway plan view of the tricycle.
第１図に示す如く揺動式三輪車１はその車体フ
レーム２の最前部にヘツドパイプ３を固着し、該
ヘツドパイプ３にはフロントフオーク４が操向自
在に挿通支持されている。そして、フロントフオ
ーク４の上端にはハンドル５が固設され、又これ
の下端には一輪の操向輪を成す前輪６が回転自在
に支承されている。 As shown in FIG. 1, a rocking tricycle 1 has a head pipe 3 fixed to the frontmost part of a body frame 2, and a front fork 4 is inserted and supported in the head pipe 3 so as to be freely steerable. A handle 5 is fixed to the upper end of the front fork 4, and a front wheel 6 serving as a single steering wheel is rotatably supported at the lower end of the handle 5.
又車体の中間部には低床式のフロア７が設けら
れ、該フロア７の後部にはその上端にシート８を
備えるシートポスト９が起設されている。 A low floor type floor 7 is provided in the middle of the vehicle body, and a seat post 9 having a seat 8 at its upper end is erected at the rear of the floor 7.
一方、車体フレーム２にはパワーユニツト１０
がその前・後部をブラケツト１１、支持ステー１
２を介してマウント支持されており、該パワーユ
ニツト１０の後部にはジヨイントケース３０が上
下揺動自在に連結されており、該ジヨイントケー
ス３０の後部には後二輪１３，１３を回転自在に
支承して成るリヤアクスルケース５０が左右ロー
リング動自在に連結されている。そして、前記ジ
ヨイントケース３０と車体フレーム２間には図示
の如く緩衝器７０が介設されている。 On the other hand, the power unit 10 is mounted on the vehicle body frame 2.
has a bracket 11 and a support stay 1 at the front and rear.
A joint case 30 is connected to the rear of the power unit 10 so as to be vertically swingable, and two rear wheels 13 are rotatably connected to the rear of the joint case 30. A rear axle case 50 supported by the rear axle case 50 is connected to the rear axle case 50 so as to be able to freely roll left and right. A shock absorber 70 is interposed between the joint case 30 and the vehicle body frame 2 as shown in the figure.
ところで、前記パワーユニツト１０におけるエ
ンジン１４は単気筒２サイクルエンジンであり、
第３図に示す如くエンジン１４のシリンダ１５内
にはピストン１６が摺動自在に嵌合しており、該
ピストン１６はコンロツド１７を介してクランク
シヤフト１８に連結されている。そして、クラン
クシヤフト１８の一端には発電機１９が他端には
プーリ２０が夫々設けられている。又クランクシ
ヤフト１８の後方にはこれと平行に軸２１が回転
自在に支承されており、該軸２１にはもう一方の
プーリ２２、遠心クラツチ２３及び歯車２４が
夫々設けられており、両プーリ２０，２３間には
図示の如くＶベルト２５が張架されている。而し
てこれらプーリ２０，２３、Ｖベルト２５及び遠
心クラツチ２３は既知のベルト式自動変速機Ｃを
構成している。 By the way, the engine 14 in the power unit 10 is a single cylinder two-stroke engine,
As shown in FIG. 3, a piston 16 is slidably fitted into a cylinder 15 of the engine 14, and the piston 16 is connected to a crankshaft 18 via a connecting rod 17. A generator 19 is provided at one end of the crankshaft 18, and a pulley 20 is provided at the other end. Further, a shaft 21 is rotatably supported at the rear of the crankshaft 18 in parallel with the crankshaft 18, and the shaft 21 is provided with another pulley 22, a centrifugal clutch 23, and a gear 24, respectively. , 23, a V-belt 25 is stretched between them as shown. These pulleys 20, 23, V-belt 25 and centrifugal clutch 23 constitute a known belt type automatic transmission C.
以上のパワーユニツト１０を被うケース２６に
対してジヨイントケース３０の前端がベアリング
３１，３２を介して上下揺動自在に連結されてお
り、該ジヨイントケース３０の後端内部には図示
の如くリヤアクスルケース５０の前端が挿入さ
れ、該ケース５０はベアリング５１，５２及びナ
イトハルト機構５３を介して左右ローリング動自
在に支持されている。 The front end of a joint case 30 is connected to the case 26 that covers the power unit 10 through bearings 31 and 32 so as to be able to swing up and down, and inside the rear end of the joint case 30 there is a The front end of the rear axle case 50 is inserted as shown in FIG.
而して上記ジヨイントケース３０の内部には軸
３３が回転自在に支承されており、該軸３３の端
部には前記歯車２４に噛合する歯車３４が嵌着さ
れ、これら両歯車２４，３４は一次減速歯車機構
G1を構成している。又軸３３の中央部には等速
ジヨイント３５が設けられており、該等速ジヨイ
ント３５のチエーンスプロケツト３６と前記リヤ
アクスルケース５０に回転自在に支承された軸５
４に嵌着されたチエーンスプロケツト５５間には
チエーン５６が張架されており、該チエーン５６
はテンシヨナ５７にて適度な張力が付与されてい
る。 A shaft 33 is rotatably supported inside the joint case 30, and a gear 34 that meshes with the gear 24 is fitted to the end of the shaft 33. is the primary reduction gear mechanism
It makes up G1 . A constant velocity joint 35 is provided at the center of the shaft 33, and a chain sprocket 36 of the constant velocity joint 35 and the shaft 5 rotatably supported by the rear axle case 50 are connected to each other.
A chain 56 is stretched between the chain sprockets 55 fitted to the
Appropriate tension is applied by a tensioner 57.
又前記軸５４には歯車５８が嵌着されており、
該歯車５８は差動装置５９の外周にボルト結合さ
れた歯車６０に噛合しており、これら両歯車５
８，６０は二次減速歯車機構G2を構成している。
そして、差動装置５９の左右両側からは後車軸６
１，６１が夫々延出しており、両後車軸６１，６
１の外端部には前記後輪１３，１３が固定されて
いる。 Further, a gear 58 is fitted on the shaft 54,
The gear 58 meshes with a gear 60 bolted to the outer periphery of the differential 59, and both gears 5
8 and 60 constitute a secondary reduction gear mechanism G2 .
The rear axle 6 is connected to the left and right sides of the differential device 59.
1 and 61 extend respectively, and both rear axles 61 and 6
The rear wheels 13, 13 are fixed to the outer end of the wheel 1.
而してエンジン１４にて発生する動力によりク
ランクシヤフト１８が回転駆動せしめられ、この
クランクシヤフト１８の回転は前記自動変速機Ｃ
にて減速されて軸２１に伝えられ、該軸２１が回
転駆動せしめられる。そして、この軸２１の回転
は更に一次減速歯車機構G1にて十分減速された
後、軸３３に伝えられ、該軸３３の回転は更に等
速ジヨイント３５のチエーンスプロケツト３６、
チエーン５６及びチエーンスプロケツト５５を介
して軸５４に伝えられ、該軸５４が回転駆動せし
められる。この軸５４の回転は二次減速歯車機構
G2にて減速された後、差動装置５９を介して両
後車軸６１，６１に伝えられ、最終的に後輪１
３，１３が回転駆動せしめられる。 The power generated by the engine 14 rotates the crankshaft 18, and the rotation of the crankshaft 18 is caused by the automatic transmission C.
The deceleration is transmitted to the shaft 21, and the shaft 21 is driven to rotate. The rotation of the shaft 21 is further sufficiently decelerated by the primary reduction gear mechanism G1 and then transmitted to the shaft 33, and the rotation of the shaft 33 is further transmitted to the chain sprocket 36 of the constant velocity joint 35,
It is transmitted to the shaft 54 via the chain 56 and chain sprocket 55, and the shaft 54 is rotationally driven. The rotation of this shaft 54 is caused by a secondary reduction gear mechanism.
After being decelerated at G2 , the transmission is transmitted to both rear axles 61, 61 via the differential device 59, and finally the rear wheel 1
3 and 13 are driven to rotate.
ところで、路面起伏に応じて後輪１３，１３が
上下動すれば、これら後輪１３，１３を支持する
リヤアクスルケース５０及びジヨイントケース３
０はベアリング３１，３２を中心に上下に揺動
し、この揺動に伴う衝撃は緩衝器７０により有効
に吸収緩和され、乗心地性の向上が図られる。こ
の場合の緩衝器７０のばね下重量はジヨイントケ
ース３０及びリヤアクスルケース５０の部分の重
量となり、パワーユニツト１０の重量が除かれ、
しかもこのパワーユニツト１０には高重量の自動
変速機Ｃ及び一次減速機構G1を一体に組込んだ
ため、ばね下重量は著しく軽減され、上下揺動に
伴う慣性モーメントが下がつて後輪１３，１３の
略面起伏への追従性が良好となり、乗心地性及び
操縦安定性の向上が図られる。 By the way, if the rear wheels 13, 13 move up and down according to the undulations of the road surface, the rear axle case 50 and joint case 3 that support these rear wheels 13, 13
0 swings up and down around the bearings 31 and 32, and the impact caused by this swing is effectively absorbed and alleviated by the shock absorber 70, improving riding comfort. In this case, the unsprung weight of the shock absorber 70 is the weight of the joint case 30 and rear axle case 50, excluding the weight of the power unit 10.
Moreover, since the heavy automatic transmission C and the primary reduction mechanism G 1 are integrated into this power unit 10, the unsprung weight is significantly reduced, and the moment of inertia accompanying vertical swing is reduced. , 13 is improved, and riding comfort and steering stability are improved.
又等速ジヨイント３５への入力以前に回転が自
動変速機Ｃ及び一次減速歯車機構G1にて十分減
速されるため、等速ジヨイント３５に過度の負担
がかからず、これの耐久性が向上するとともに、
チエーン５６の周速が低下し、これの噛合音も低
下し、騒音対策上好都合となる。 In addition, since the rotation is sufficiently decelerated by the automatic transmission C and the primary reduction gear mechanism G1 before inputting to the constant velocity joint 35, no excessive load is placed on the constant velocity joint 35, improving its durability. At the same time,
The circumferential speed of the chain 56 is reduced, and the meshing noise thereof is also reduced, which is advantageous in terms of noise countermeasures.
以上の説明で明らかな如く本考案によれば、車
体にマウント支持されたパワーユニツトにベルト
式自動変速機及び一次減速歯車機構を組込み、該
一次減速歯車機構とリヤアクスルケースに組込ま
れる二次減速歯車機構とをチエーンにて連結した
ため、後輪懸架系のばね下重量を軽減して乗心地
性の向上を図ることができるとともに、等速ジヨ
イント前で回転を十分減速して該ジヨイントの耐
久性向上を図ることができる。 As is clear from the above description, according to the present invention, a belt-type automatic transmission and a primary reduction gear mechanism are incorporated into a power unit mounted and supported on a vehicle body, and the primary reduction gear mechanism and a secondary reduction gear mechanism are incorporated into a rear axle case. Since the mechanism is connected with a chain, it is possible to reduce the unsprung weight of the rear wheel suspension system and improve riding comfort, and the rotation is sufficiently decelerated before the constant velocity joint to improve the durability of the joint. can be achieved.
図面は本考案の一実施例を示すものであり、第
１図は本考案に係る揺動式三輪車の全体側面図、
第２図は同三輪車の駆動系の拡大側面図、第３図
は同破断平面図である。
尚図面中１は揺動式三輪車、１０はパワーユニ
ツト、１３は後輪、３０はジヨイントケース、３
５は等速ジヨイント、５０はリヤアクスルケー
ス、５６はチエーン、７０は緩衝器、Ｃはベルト
式自動変速機、G1，G2は一次、二次減速歯車機
構である。
The drawings show one embodiment of the present invention, and FIG. 1 is an overall side view of the rocking tricycle according to the present invention;
FIG. 2 is an enlarged side view of the drive system of the tricycle, and FIG. 3 is a cutaway plan view thereof. In the drawing, 1 is a rocking tricycle, 10 is a power unit, 13 is a rear wheel, 30 is a joint case, 3
5 is a constant velocity joint, 50 is a rear axle case, 56 is a chain, 70 is a shock absorber, C is a belt type automatic transmission, and G 1 and G 2 are primary and secondary reduction gear mechanisms.
Claims (1)
ヨイントケースを上下動自在に連結し、該ジヨイ
ントケースにリヤアクスルケースを左右ローリン
グ動自在に連結するとともに、ジヨイントケース
と車体間に緩衝器を介設する揺動式三輪車におい
て、前記パワーユニツトにベルト式自動変速機及
び一次減速歯車機構を組込み、該一次減速歯車機
構と前記リヤアクスルケースに組込まれる二次減
速歯車機構とをチエーンにて連結したことを特徴
とする揺動式三輪車。 A joint case is connected to a power unit mounted and supported on the vehicle body for vertical movement, a rear axle case is connected to the joint case for horizontal rolling movement, and a shock absorber is interposed between the joint case and the vehicle body. The rocking tricycle is characterized in that a belt-type automatic transmission and a primary reduction gear mechanism are incorporated in the power unit, and the primary reduction gear mechanism and a secondary reduction gear mechanism incorporated in the rear axle case are connected by a chain. A rocking tricycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983001147U JPS59106722U (en) | 1983-01-08 | 1983-01-08 | rocking tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983001147U JPS59106722U (en) | 1983-01-08 | 1983-01-08 | rocking tricycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59106722U JPS59106722U (en) | 1984-07-18 |
| JPH0129193Y2 true JPH0129193Y2 (en) | 1989-09-05 |
Family
ID=30132878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983001147U Granted JPS59106722U (en) | 1983-01-08 | 1983-01-08 | rocking tricycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59106722U (en) |
-
1983
- 1983-01-08 JP JP1983001147U patent/JPS59106722U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59106722U (en) | 1984-07-18 |
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