JPH0858665A - Bicycle drive device - Google Patents
Bicycle drive deviceInfo
- Publication number
- JPH0858665A JPH0858665A JP21825194A JP21825194A JPH0858665A JP H0858665 A JPH0858665 A JP H0858665A JP 21825194 A JP21825194 A JP 21825194A JP 21825194 A JP21825194 A JP 21825194A JP H0858665 A JPH0858665 A JP H0858665A
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- pressure pump
- fluid pressure
- impeller
- impellers
- 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
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本願発明は、自転車の駆動装置に
関するものであり、とりわけ流体を駆動力伝達のための
手段としたものに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive device for a bicycle, and more particularly to a device using a fluid as a means for transmitting a driving force.
【０００２】[0002]
【従来の技術】従来の自転車における駆動装置として
は、クランク軸に固定された大ギアーと、後輪車軸に取
り付けられた小ギアーに動力伝達手段としてのエンドレ
スのチェーンを掛け渡したものが最も一般的であった。
他方、全輪駆動装置としては、上記駆動装置を有する自
転車の前輪及び後輪の車軸にそれぞれカサ歯車の一方を
取り付け、一定の長さのフレキシブルワイヤーの両端部
に前記カサ歯車と歯合するカサ歯車の他方を固定して、
これらの両端部のカサ歯車を前記前輪及び後輪に取り付
けられたカサ歯車と歯合させ、後輪の回転駆動力を前輪
の車軸に伝達させるものがあった。2. Description of the Related Art Most conventional drive devices for a bicycle are a large gear fixed to a crankshaft and a small gear attached to a rear wheel axle, and an endless chain as power transmission means. It was target.
On the other hand, as an all-wheel drive device, one of bevel gears is attached to the front and rear axles of a bicycle having the above drive device, and a bevel gear that meshes with the bevel gears at both ends of a flexible wire of a certain length. Fix the other side of the gear,
There is a gear in which the bevel gears at both ends are meshed with the bevel gears attached to the front wheel and the rear wheel to transmit the rotational driving force of the rear wheel to the axle of the front wheel.
【０００３】[0003]
【発明が解決しようとする課題】前記従来の一般的な装
置においては、チェーンが緩み、ギアーから外れるとい
う問題があり、また、全輪駆動のものにおいては、フレ
キシブルワイヤーの捩じれにより、ワイヤーが切れた
り、カサ歯車に無理な荷重がかかり、歯車の噛み合わせ
が外れたりするという問題が生じていた。本願発明は、
上記全輪駆動の自転車の問題点の解決に苦慮した結果、
発明されたものであって、この従来の全輪駆動の自転車
の問題点を解決することがその課題であった。この課題
解決のために、これまでに存在していなかった機構的に
全く新しい技術的手段を採用したものである。そして、
この技術的手段は、通常の後輪駆動の自転車にも当然応
用することができるものである。The above-mentioned conventional general device has a problem that the chain is loosened and disengaged from the gear. Further, in the all-wheel drive type, the wire breaks due to the twisting of the flexible wire. In addition, there is a problem that the bevel gear is unduly loaded and the meshing of the gears is disengaged. The present invention is
As a result of struggling to solve the problems of the above all-wheel drive bicycle,
The invention was invented, and it was an object to solve the problems of the conventional all-wheel drive bicycle. In order to solve this problem, a mechanically new technical means that has not existed so far is adopted. And
This technical means can of course be applied to a normal rear-wheel drive bicycle.
【０００４】[0004]
【課題を解決するための手段】上記課題を解決するため
に、本願発明の第１のものは、ペダルの回転により回転
するクランク軸１０によって作動される流体圧ポンプ
と、前輪車軸２５又は後輪車軸１５の何れかに取り付け
られた羽根車２６、１６と、この羽根車２６、１６と前
記流体圧ポンプとを気密に接続する接続チューブ２０と
から成り、この接続チューブ２０の接続により流体圧ポ
ンプと羽根車２６、１６に駆動流体が循環する１つの回
路が形成され、流体圧ポンプの作動により羽根車２６、
１６を駆動しうるようにしたものである。本願発明の第
２のものは、ペダルの回転により回転するクランク軸１
０によって作動される流体圧ポンプと、前輪車軸２５及
び後輪車軸１５のそれぞれに取り付けられた羽根車２
６、１６と、これら両羽根車２６、１６と前記流体圧ポ
ンプとを気密に接続する接続チューブ２０とから成り、
この接続チューブ２０の接続により流体圧ポンプと前輪
の羽根車２６及び後輪の羽根車１６とのそれぞれに駆動
流体が循環する１つの回路が形成され、流体圧ポンプの
作動により前輪及び後輪の両方の羽根車２６、１６を駆
動しうるようにしたものである。In order to solve the above problems, a first aspect of the present invention is to provide a fluid pressure pump operated by a crankshaft 10 which is rotated by rotation of a pedal, and a front wheel axle 25 or a rear wheel. The impellers 26 and 16 attached to any of the axles 15 and the connection tube 20 that hermetically connects the impellers 26 and 16 to the fluid pressure pump, and the connection of the connection tube 20 to the fluid pressure pump One circuit in which the driving fluid circulates is formed between the impellers 26, 16 and the impeller 26, 16 by the operation of the fluid pressure pump.
16 can be driven. A second aspect of the present invention is a crankshaft 1 that is rotated by rotation of a pedal.
Fluid pressure pump operated by 0 and the impeller 2 attached to each of the front wheel axle 25 and the rear wheel axle 15.
6, 16 and a connecting tube 20 for airtightly connecting both impellers 26, 16 and the fluid pressure pump,
The connection of the connection tube 20 forms one circuit in which the driving fluid circulates in each of the fluid pressure pump and the impeller 26 of the front wheels and the impeller 16 of the rear wheels. Both impellers 26 and 16 can be driven.
【０００５】本願発明の第３のものは、前記第２の発明
において、流体圧ポンプと前輪の羽根車２６との循環回
路と、流体圧ポンプと後輪の羽根車１６との循環回路と
が相互に合流する接続チューブ２０の位置に三方弁３
２、３３を設け、この三方弁３２、３３の作動により駆
動力を前輪若しくは後輪、又は全輪の何れかに選択的に
伝達可能としたものである。本願発明の第４のものは、
前記第１乃至第３の何れかの発明において、羽根車２
６、１６に対して駆動流体が作用する部位となる接続チ
ューブ２０の作用口２８、１８に駆動流体の流量を調整
する調整弁を設けたものである。In a third aspect of the present invention, in the second aspect of the invention, a circulation circuit between the fluid pressure pump and the impeller 26 for the front wheels and a circulation circuit between the fluid pressure pump and the impeller 16 for the rear wheels are provided. At the position of the connecting tube 20 which joins each other, the three-way valve 3
2, 33 are provided, and the driving force can be selectively transmitted to either the front wheels, the rear wheels, or all the wheels by the operation of the three-way valves 32, 33. The fourth aspect of the present invention is
In any one of the first to third inventions, the impeller 2
An adjusting valve for adjusting the flow rate of the driving fluid is provided at the working ports 28 and 18 of the connection tube 20 which are the portions on which the driving fluid acts on 6 and 16.
【０００６】[0006]
【作用】本願発明の装置においては、ペダルを踏み込む
ことによりクランク軸１０を回転させ、これにより流体
圧ポンプを作動させ、これにより動力伝達手段としての
駆動流体が前輪若しくは後輪、又はこれら両輪に固定さ
れた羽根車２６、１６に作用し、羽根車２６、１６を回
転させ、前輪若しくは後輪、又は全輪を回転させること
ができる。三方弁３２、３３の作動により、駆動流体の
流路を変更して、駆動流体の駆動力の伝達を前輪若しく
は後輪、又は全輪の何れかに選択することができる。駆
動流体の作用口２８、１８に流量を調整する調整弁を設
けることにより、駆動流体の羽根車２６、１６に対する
作用力を変化させることができる。In the device of the present invention, the pedal is depressed to rotate the crankshaft 10, thereby operating the fluid pressure pump, whereby the driving fluid as the power transmission means is applied to the front wheels, the rear wheels, or both wheels. It can act on the fixed impellers 26, 16 to rotate the impellers 26, 16 and rotate the front or rear wheels or all wheels. By operating the three-way valves 32 and 33, it is possible to change the flow path of the driving fluid and select transmission of the driving force of the driving fluid to either the front wheels, the rear wheels, or all the wheels. By providing an adjusting valve for adjusting the flow rate at the working fluid working ports 28, 18, the working force of the driving fluid on the impellers 26, 16 can be changed.
【０００７】[0007]
【実施例】以下、添付の図面に従って実施例について説
明する。添付の図面は全て本願発明の実施例を図示して
いる。図１は、本願発明の駆動装置の全体説明図であっ
て、クランク軸１０には羽根車１１が固定されており、
羽根車１１は流体圧ポンプのハウジング１２内に配置さ
れている。ハウジング１２の適宜位置には、駆動流体の
吐出口１３が設けられ、他方、循環した後の流体が流体
圧ポンプに戻ってくる流入口１４が適宜位置に設けられ
ている。このようにこの実施例における流体圧ポンプ
は、羽根車１１の回転力を利用したものを使用してい
る。Embodiments Embodiments will be described below with reference to the accompanying drawings. The accompanying drawings all illustrate embodiments of the present invention. FIG. 1 is an overall explanatory view of a drive device of the present invention, in which an impeller 11 is fixed to a crankshaft 10,
The impeller 11 is arranged in a housing 12 of the fluid pressure pump. A drive fluid discharge port 13 is provided at an appropriate position of the housing 12, while an inlet port 14 through which the fluid after circulation returns to the fluid pressure pump is provided at an appropriate position. As described above, the fluid pressure pump in this embodiment uses the rotational force of the impeller 11.
【０００８】後輪車軸１５には羽根車１６が取り付けら
れており、この羽根車１６も気密のハウジング１７内に
配備されている。このハウジング１７には駆動流体が流
入する作用口１８及び排出口１９のそれぞれが適宜位置
に設けられている。この作用口１８と流体圧ポンプの吐
出口１３とが接続チューブ２０によって接続され、同様
に、排出口１９と流体圧ポンプの流入口１４とが接続チ
ューブ２０によって接続され、駆動流体の１つの回路を
形成している。An impeller 16 is attached to the rear wheel axle 15, and the impeller 16 is also arranged in an airtight housing 17. The housing 17 is provided with an action port 18 and a discharge port 19 through which the driving fluid flows in at appropriate positions. The working port 18 and the discharge port 13 of the fluid pressure pump are connected by the connection tube 20, and similarly, the discharge port 19 and the inflow port 14 of the fluid pressure pump are connected by the connection tube 20, so that one circuit of the driving fluid is formed. Is formed.
【０００９】同様に前輪車軸２５にも羽根車２６が取り
付けられており、この羽根車２６も気密のハウジング２
７内に配備されている。このハウジング２７には駆動流
体が流入する作用口２８及び排出口２９のそれぞれが適
宜位置に設けられている。この作用口２８と流体圧ポン
プの吐出口１３とが接続チューブ２０によって接続さ
れ、同様に、排出口２９と流体圧ポンプの流入口１４と
が接続チューブ２０によって接続され、駆動流体の１つ
の回路を形成している。Similarly, an impeller 26 is also attached to the front wheel axle 25, and the impeller 26 is also an airtight housing 2.
It is deployed in 7. The housing 27 is provided with an action port 28 and a discharge port 29 through which the driving fluid flows in at appropriate positions. The working port 28 and the discharge port 13 of the fluid pressure pump are connected by the connection tube 20, and similarly, the discharge port 29 and the inflow port 14 of the fluid pressure pump are connected by the connection tube 20, so that one circuit of the driving fluid is formed. Is formed.
【００１０】流体圧ポンプ及びハウジング１７、２７の
接続は全て気密に行われ、駆動流体内にはエアー等が紛
れ込まないようにする。更に、この実施例においては、
接続チューブ２０が分岐する２箇所に、即ち、流体圧ポ
ンプと後輪車軸１５に設けられた羽根車１６とを接続す
る回路と、流体圧ポンプと前輪車軸２５に設けられた羽
根車２６とを接続する回路との合流点の２箇所に三方弁
３２、３３を設けて、流体の流路を切り換えることがで
きるようにしている。これにより駆動流体を後輪のみ、
前輪のみ、或いは全輪に流通させることができるように
している。この切替えは適宜手動で行う。また、後輪及
び前輪に設けられている駆動流体の作用口１８、２８に
おいては、図示はしていないが、流体の流量を調整する
ための調整弁を設けており、この調整弁の流量の調整に
より両車軸に設けられた羽根車１６、２６に対する駆動
流体の作用圧力及び作用速度を高めることが可能とな
る。従って、この調整弁の調整つまみは、ハンドルのグ
リップ部の傍に設けておくのが好ましく、自転車運転中
に、自転車の速度や道路状況に応じて、適宜操作するこ
とができる。All connections between the fluid pressure pump and the housings 17 and 27 are performed in an airtight manner to prevent air and the like from getting into the driving fluid. Further, in this embodiment,
A circuit for connecting the fluid pressure pump and the impeller 16 provided on the rear wheel axle 15 and a circuit for connecting the fluid pressure pump and the impeller 26 provided on the front wheel axle 25 are provided at two locations where the connection tube 20 branches. Three-way valves 32 and 33 are provided at two points of the confluence with the circuit to be connected so that the flow paths of the fluid can be switched. As a result, drive fluid is applied only to the rear wheels
It can be distributed to only the front wheels or all the wheels. This switching is appropriately performed manually. Although not shown in the drawings, the drive fluid action ports 18 and 28 provided on the rear wheels and the front wheels are provided with adjustment valves for adjusting the flow rate of the fluid. The adjustment makes it possible to increase the working pressure and the working speed of the driving fluid with respect to the impellers 16 and 26 provided on both axles. Therefore, it is preferable that the adjusting knob of the adjusting valve is provided near the grip portion of the handle, and can be appropriately operated according to the speed of the bicycle and road conditions while the bicycle is being driven.
【００１１】図２は、流体圧ポンプの他の実施例の説明
図である。この例ではクランク軸１０に適宜形状のカム
３５を固定し、このカム３５をクランク軸１０の回転に
より回転させ、シリンダー内のピストンロッド３６を上
下の往復動に変換させ、駆動流体を加圧流動させること
ができるものである。カム３５の形状は、任意に設定す
ることができ、例えは単なる楕円形状のもの、また偏心
した円形形状のものでもよい。このように流体圧ポンプ
の構造は、自由に設計することができる。他方、流体と
しては具体的には、水、オイル、作動油、ロングライフ
クーラント等を使用することができる。接続チューブの
素材としては、その形状自体が変形しないものであれ
ば、どの様なものを使用してもよい。以上、実施例につ
いて説明したが、本願発明は、自転車の駆動源として流
体を使用した全く新しい画期的な装置である。FIG. 2 is an explanatory view of another embodiment of the fluid pressure pump. In this example, an appropriately shaped cam 35 is fixed to the crankshaft 10, the cam 35 is rotated by the rotation of the crankshaft 10, the piston rod 36 in the cylinder is converted into vertical reciprocating motion, and the driving fluid is pressurized and flown. It can be done. The shape of the cam 35 can be set arbitrarily, and may be, for example, a simple elliptical shape or an eccentric circular shape. Thus, the structure of the fluid pressure pump can be freely designed. On the other hand, as the fluid, specifically, water, oil, hydraulic oil, long life coolant or the like can be used. As the material of the connection tube, any material may be used as long as the shape itself is not deformed. The embodiments have been described above, but the present invention is a completely new and epoch-making device using a fluid as a drive source for a bicycle.
【００１２】[0012]
【発明の効果】上記の構成により、本願発明は以下の如
き効果を有する。本願発明の第１のものは、駆動源とし
て流体を使用したため、容易に前輪又は後輪の何れかに
駆動力を伝達させることができ、従来のようにチェーン
が外れるという心配が全くない。本願発明の第２のもの
は、上記と同様に容易に前輪及び後輪の全輪に駆動力を
伝達させることができ、その全輪駆動に当たり何の問題
も生じない。本願発明の第３のものにおいては、接続チ
ューブに三方弁を設け、その弁の作動により流路を変更
することにより、道路の状況等に応じて駆動力を前輪若
しくは後輪、又は全輪の何れかに選択的に伝達できるよ
うになる。本願発明の第４のものにおいては、車軸に設
けられた羽根車に対する駆動流体の流量を調整する調整
弁により、車軸に及ぼす駆動流体の作用圧力及び作用速
度を高低自在に調整することができる。以上、本願発明
は、多大な効果を発揮するものである。The present invention having the above-mentioned structure has the following effects. In the first aspect of the present invention, since the fluid is used as the drive source, the drive force can be easily transmitted to either the front wheel or the rear wheel, and there is no concern that the chain will come off as in the conventional case. According to the second aspect of the present invention, the driving force can be easily transmitted to all the front wheels and the rear wheels in the same manner as described above, and there is no problem in driving all the wheels. In the third aspect of the present invention, a three-way valve is provided in the connection tube, and the flow path is changed by the operation of the valve, so that the driving force of the front wheels or the rear wheels or all the wheels can be changed according to the road conditions. It becomes possible to selectively transmit to either. In the fourth aspect of the present invention, the working pressure and the working speed of the driving fluid exerted on the axle can be freely adjusted by the adjusting valve for adjusting the flow rate of the driving fluid with respect to the impeller provided on the axle. As described above, the invention of the present application exerts a great effect.
【図１】本願発明の一実施例の全体説明図である。FIG. 1 is an overall explanatory diagram of an embodiment of the present invention.
【図２】本願発明の流体圧ポンプの他の実施例の説明図
である。FIG. 2 is an explanatory view of another embodiment of the fluid pressure pump of the present invention.
１０ クランク軸 １１、１６、２６ 羽根車 １２、１７、２７ ハウジング １３ 吐出口 １４ 流入口 １５ 後輪車軸 １８、２８ 作用口 １９、２９ 排出口 ２０ 接続チューブ ２５ 前輪車軸 10 Crankshaft 11, 16, 26 Impeller 12, 17, 27 Housing 13 Discharge port 14 Inflow port 15 Rear wheel axle 18, 28 Working port 19, 29 Discharge port 20 Connection tube 25 Front wheel axle
Claims (4)
(10)によって作動される流体圧ポンプと、前輪車軸(25)
又は後輪車軸(15)の何れかに取り付けられた羽根車(26)
(16)と、この羽根車(26)(16)と前記流体圧ポンプとを気
密に接続する接続チューブ(20)とから成り、この接続チ
ューブ(20)の接続により流体圧ポンプと羽根車(26)(16)
に駆動流体が循環する１つの回路が形成され、流体圧ポ
ンプの作動により羽根車(26)(16)を駆動しうるようにし
たことを特徴とする自転車駆動装置。1. A crankshaft which is rotated by rotation of a pedal.
Hydraulic pump operated by (10) and front wheel axle (25)
Alternatively, an impeller (26) attached to either the rear wheel axle (15)
(16) and a connecting tube (20) that hermetically connects the impellers (26) (16) and the fluid pressure pump, and the fluid pressure pump and the impeller (by connecting the connecting tube (20). 26) (16)
A bicycle drive device characterized in that a circuit for circulating drive fluid is formed in the drive circuit so that the impellers (26, 16) can be driven by the operation of a fluid pressure pump.
(10)によって作動される流体圧ポンプと、前輪車軸(25)
及び後輪車軸(15)のそれぞれに取り付けられた羽根車(2
6)(16)と、これら両羽根車(26)(16)と前記流体圧ポンプ
とを気密に接続する接続チューブ(20)とから成り、この
接続チューブ(20)の接続により流体圧ポンプと前輪の羽
根車(26)及び後輪の羽根車(16)とのそれぞれに駆動流体
が循環する１つの回路が形成され、流体圧ポンプの作動
により前輪及び後輪の両方の羽根車(26)(16)を駆動しう
るようにしたことを特徴とする自転車駆動装置。2. A crankshaft which is rotated by rotation of a pedal.
Hydraulic pump operated by (10) and front wheel axle (25)
And the impellers (2
6) (16), and a connecting tube (20) for air-tightly connecting these impellers (26) (16) and the fluid pressure pump, and by connecting the connection tube (20) to the fluid pressure pump. One circuit in which driving fluid circulates is formed in each of the front wheel impeller (26) and the rear wheel impeller (16), and both front and rear wheel impellers (26) are formed by the operation of the fluid pressure pump. (16) A bicycle drive device characterized in that it can drive (16).
の羽根車(26)との循環回路と、流体圧ポンプと後輪の羽
根車(16)との循環回路とが相互に合流する接続チューブ
(20)の位置に三方弁(32)(33)を設け、この三方弁(32)(3
3)の作動により駆動力を前輪若しくは後輪、又は全輪の
何れかに選択的に伝達可能としたことを特徴とする自転
車駆動装置。3. The connection according to claim 2, wherein a circulation circuit between the fluid pressure pump and the impeller (26) for the front wheels and a circulation circuit between the fluid pressure pump and the impeller (16) for the rear wheels join each other. tube
A three-way valve (32) (33) is provided at the position (20), and this three-way valve (32) (3
A bicycle drive device characterized in that the driving force can be selectively transmitted to either the front wheels, the rear wheels, or all the wheels by the operation of 3).
車(26)(16)に対して駆動流体が作用する部位となる接続
チューブ(20)の作用口(28)(18)に駆動流体の流量を調整
する調整弁を設けたことを特徴とする自転車駆動装置。4. The driving port (28) (18) of the connection tube (20) according to claim 1, wherein the impeller (26) (16) is a site where the driving fluid acts. A bicycle drive device comprising an adjusting valve for adjusting the flow rate of fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21825194A JP3528982B2 (en) | 1994-08-19 | 1994-08-19 | Bicycle drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21825194A JP3528982B2 (en) | 1994-08-19 | 1994-08-19 | Bicycle drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0858665A true JPH0858665A (en) | 1996-03-05 |
| JP3528982B2 JP3528982B2 (en) | 2004-05-24 |
Family
ID=16716966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21825194A Expired - Fee Related JP3528982B2 (en) | 1994-08-19 | 1994-08-19 | Bicycle drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3528982B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1213213A2 (en) * | 2000-11-16 | 2002-06-12 | Dag Horses S.r.l. | Means of locomotion |
| WO2003062673A1 (en) * | 2002-01-22 | 2003-07-31 | Chuting Liu | Pneumatic transmission system for transporting apparatus |
| GB2430241A (en) * | 2005-09-20 | 2007-03-21 | David Thomson Wallace | Conical gearing and all wheel drive bicycle |
-
1994
- 1994-08-19 JP JP21825194A patent/JP3528982B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1213213A2 (en) * | 2000-11-16 | 2002-06-12 | Dag Horses S.r.l. | Means of locomotion |
| EP1213213A3 (en) * | 2000-11-16 | 2003-07-02 | Mytym S.R.L. | Means of locomotion |
| WO2003062673A1 (en) * | 2002-01-22 | 2003-07-31 | Chuting Liu | Pneumatic transmission system for transporting apparatus |
| GB2430241A (en) * | 2005-09-20 | 2007-03-21 | David Thomson Wallace | Conical gearing and all wheel drive bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3528982B2 (en) | 2004-05-24 |
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