JPH05262273A - Electric bicycle - Google Patents

Electric bicycle

Info

Publication number
JPH05262273A
JPH05262273A JP4063839A JP6383992A JPH05262273A JP H05262273 A JPH05262273 A JP H05262273A JP 4063839 A JP4063839 A JP 4063839A JP 6383992 A JP6383992 A JP 6383992A JP H05262273 A JPH05262273 A JP H05262273A
Authority
JP
Japan
Prior art keywords
motor
electric bicycle
hub
casing portion
casing
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
Application number
JP4063839A
Other languages
Japanese (ja)
Other versions
JP2877606B2 (en
Inventor
Yasuo Hirose
康夫 広瀬
Seiji Yamaguchi
征史 山口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP4063839A priority Critical patent/JP2877606B2/en
Priority to US08/028,825 priority patent/US5341892A/en
Priority to EP93103868A priority patent/EP0561268B1/en
Priority to ES93103868T priority patent/ES2112347T3/en
Priority to DE69316254T priority patent/DE69316254T2/en
Priority to KR1019930004035A priority patent/KR970010818B1/en
Publication of JPH05262273A publication Critical patent/JPH05262273A/en
Application granted granted Critical
Publication of JP2877606B2 publication Critical patent/JP2877606B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/20—Electric propulsion with power supplied within the vehicle using propulsion power generated by humans or animals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/52—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/12—Bikes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

PURPOSE:To provide an electric bicycle which lowers a center of gravity compared with a conventional one and improves stability during running. CONSTITUTION:Casings 5 and 6 in a two-division state protect a hub shaft. A motor M for driving a rear wheel and a reduction gear to reduce the rotation speed of the motor M are mounted on the inner surface of a casing part 5 on the fixed side in a state that the both of them are positioned in a level lower than that of the hub shaft of a rear wheel. In which case, the reduction gear comprises a motor pulley 2, a transmission first belt 3, a follower first pulley 4, a follower third pulley 14, a small gear 12, and a large gear 13.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】この発明は電気自転車に関するも
のであり、さらに詳しくは、電池を電源とする駆動用モ
ータによって車輪に駆動力を与えるとペダルを踏むこと
なく走行することができ、モータの駆動を停止させると
ペダルを踏んで走行することができ、さらに、ペダル走
行時にモータの駆動力を補助力として用いて走行するこ
とができる電気自転車に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric bicycle. More specifically, when a driving motor having a battery as a power source applies a driving force to wheels, the vehicle can travel without pedaling. The present invention relates to an electric bicycle that can be driven by depressing a pedal when driving is stopped, and can be driven by using a driving force of a motor as an auxiliary force when the pedal is traveling.

【０００２】[0002]

【従来の技術】従来、電気自転車としては、後車軸に回
転可能に軸支されたハウジングと、このハウジング内で
後車軸にその後車軸を取り囲むように装着された駆動用
モータとを備えたものが知られている。2. Description of the Related Art Conventional electric bicycles include a housing rotatably supported by a rear axle and a drive motor mounted on the rear axle so as to surround the rear axle in the housing. Are known.

【０００３】[0003]

【発明が解決しようとする課題】このような電気自転車
にあっては、後車軸に駆動用モータが装着されるため、
高トルク低速回転のモータが必要となり、モータは大き
くかつ重いものを用いる必要がある。また、大きくかつ
重いモータを用いるため、走行時における安定性が不充
分であるという問題点があった。In such an electric bicycle, since the drive motor is mounted on the rear axle,
A high torque, low speed rotation motor is required, and a large and heavy motor must be used. Further, since a large and heavy motor is used, there is a problem that the stability during traveling is insufficient.

【０００４】[0004]

【課題を解決するための手段】この発明の電気自転車
は、車輪のハブ軸を保護する盤状ケーシングを備え、そ
のケーシングは２分割状のものであり、２分割状の一方
が上記ハブ軸に固定されて固定側ケーシング部とされ、
同他方が上記ハブ軸を覆うハブ体に取り付けられてその
ハブ体とともに回転可能な回転側ケーシング部とされて
おり、固定側ケーシング部の内面に、電池を電源とする
車輪駆動用モータと、このモータの回転速度を減少させ
る減速装置とが、いずれも、上記ハブ軸よりも低い位置
で取り付けられてなる電気自転車である。An electric bicycle according to the present invention includes a disc-shaped casing for protecting a hub axle of a wheel, and the casing is of a two-divided shape, one of the two-divided shape being attached to the hub axle. It is fixed as the fixed side casing part,
The other side is attached to a hub body that covers the hub shaft and serves as a rotating side casing portion that is rotatable together with the hub body, and a wheel driving motor that uses a battery as a power source is provided on the inner surface of the fixed side casing portion. The speed reducer that reduces the rotation speed of the motor is an electric bicycle that is mounted at a position lower than the hub axle.

【０００５】すなわち、この電気自転車は、車輪のハブ
軸を保護する盤状ケーシングを２分割状に形成し、その
一方を上記ハブ軸に固定される固定側ケーシング部と
し、同他方を上記ハブ軸を覆うハブ体に取り付けられて
そのハブ体とともに回転可能となる回転側ケーシング部
とし、固定側ケーシング部の内面に、車輪駆動用モータ
と、そのモータの回転速度を減少させる減速装置とを、
いずれも、上記ハブ軸よりも低い位置に取り付けたこと
を要旨とする。That is, in this electric bicycle, a disc-shaped casing for protecting the hub axle of the wheel is formed in two parts, one of which serves as a fixed casing portion fixed to the hub axle, and the other of which serves as the hub axle. A rotating side casing part that is attached to a hub body that covers and is rotatable with the hub body, and a wheel drive motor and a speed reducer that reduces the rotation speed of the motor on the inner surface of the fixed side casing part.
All of them are summarized as being mounted at a position lower than the hub axle.

【０００６】この発明において、ケーシングの材質とし
ては、アルミニウム合金やステンレス鋼などが適宜、選
択されて用いられる。なかでも、放熱性にすぐれかつ軽
量であるアルミニウム合金が好ましい。モータは、前車
輪を駆動するためのものであってもよく、後車輪を駆動
するためのものであってもよい。減速装置としは、ベル
ト車や減速歯車、あるいはこれらを組み合わせたものが
用いられる。騒音を抑えるためには、ベルト車を主とす
るものが好ましい。モータは、充電式乾電池、充電式蓄
電池、非充電式乾電池などにより駆動される。In the present invention, as the material of the casing, aluminum alloy, stainless steel or the like is appropriately selected and used. Of these, aluminum alloys, which have excellent heat dissipation and are lightweight, are preferable. The motor may be for driving the front wheels or may be for driving the rear wheels. As the speed reducer, a belt wheel, a speed reduction gear, or a combination thereof is used. In order to suppress noise, it is preferable to mainly use a belt wheel. The motor is driven by a rechargeable dry battery, a rechargeable storage battery, a non-rechargeable dry battery, or the like.

【０００７】[0007]

【作用など】この電気自転車にあっては、固定側ケーシ
ング部の内面に、車輪駆動用モータと、そのモータの回
転速度を減少させる減速装置とが、いずれも、車輪のハ
ブ軸よりも低い位置で取り付けられている。したがっ
て、この電気自転車の重心は従来に比べて低くなる。In this electric bicycle, the wheel driving motor and the speed reducing device that reduces the rotational speed of the motor are both located on the inner surface of the stationary casing at a position lower than the hub axle of the wheel. It is installed in. Therefore, the center of gravity of this electric bicycle is lower than that of the conventional one.

【０００８】この電気自転車にあっては、ケーシング内
に、たとえば固定側ケーシング部の内面のうちハブ軸よ
りも高い位置に、制御基板や制御回路部などを備えてな
る制御部を設けてもよい。その場合、従来、ケーシング
外の所定箇所に設けられていた制御部の設置スペースを
節約することが可能になるとともに、制御部を雨などに
よる水の被害から保護することが可能になる。さらに、
その制御部における発熱部品を固定側ケーシング部の内
面に密着するように設けると、効率のよい放熱を行うこ
とができる。In this electric bicycle, a control section including a control board and a control circuit section may be provided inside the casing, for example, at a position higher than the hub axle on the inner surface of the stationary casing section. .. In that case, it is possible to save the installation space of the control unit, which has been conventionally provided at a predetermined location outside the casing, and protect the control unit from damage of water such as rain. further,
If the heat-generating component in the control unit is provided so as to be in close contact with the inner surface of the fixed side casing unit, efficient heat dissipation can be performed.

【０００９】また、この電気自転車にあっては、固定側
ケーシング部の一部が上記モータのモータカバーを兼ね
ているのがより好ましい。その場合、モータ自身のカバ
ーを省略することができるため、ケーシング全体をより
コンパクトにすることが可能になる。Further, in this electric bicycle, it is more preferable that a part of the fixed casing portion also serves as a motor cover of the motor. In that case, since the cover of the motor itself can be omitted, the entire casing can be made more compact.

【００１０】[0010]

【実施例】以下、図面に示す１つの実施例に基づいてこ
の発明を詳述する。なお、これによってこの発明が限定
されるものではない。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to one embodiment shown in the drawings. The present invention is not limited to this.

【００１１】図５において、電気自転車Ｐは、フレーム
の上パイプ２１と下パイプ２２と立パイプ２３とで囲ま
れた空間内に、車輪駆動用モータＭの電源となる電池部
２０が配され、後車輪に、アルミニウム合金からなる円
盤状ケーシング５・６が配されてなる。電池部２０は、
電池ケース１９と、同ケース１９の内部に収納された２
０個の単一型充電式乾電池（１．２Ｖ×２０＝２４Ｖ）
と、同ケース１９に設けられた錠２６・２７とから主と
して構成されている。In FIG. 5, the electric bicycle P has a battery portion 20 serving as a power source of the wheel driving motor M, which is arranged in a space surrounded by an upper pipe 21, a lower pipe 22, and a vertical pipe 23 of a frame. Disc-shaped casings 5 and 6 made of an aluminum alloy are arranged on the rear wheel. The battery unit 20 is
Battery case 19 and 2 stored inside the case 19
0 single type rechargeable dry battery (1.2V × 20 = 24V)
And the locks 26 and 27 provided in the case 19 are mainly configured.

【００１２】ケーシング５・６は、図１〜図３に示すよ
うに、後車輪のハブ軸７を覆って保護する２分割状のも
のである。そして、２分割状の一方がハブ軸７に固定さ
れて固定側ケーシング部５とされ、同他方がハブ軸７を
覆うハブ体２４およびスポーク１８に取り付けられてそ
のハブ体２４とともに回転可能な回転側ケーシング部６
とされている。As shown in FIGS. 1 to 3, the casings 5 and 6 are of a two-part shape that covers and protects the hub axle 7 of the rear wheel. One of the two divided parts is fixed to the hub shaft 7 to form the fixed casing portion 5, and the other is attached to the hub body 24 and the spokes 18 that cover the hub shaft 7, and is rotatable together with the hub body 24. Side casing part 6
It is said that.

【００１３】固定側ケーシング部５の内面には、上記の
乾電池を電源とする後車輪駆動用モータＭと、このモー
タＭの回転速度を減少させる減速装置とが、いずれも、
ハブ軸７よりも低い位置で取り付けられている。On the inner surface of the fixed casing portion 5, there are provided a rear wheel drive motor M powered by the dry battery and a speed reducer for reducing the rotation speed of the motor M.
It is attached at a position lower than the hub axle 7.

【００１４】すなわち、モータＭは、固定側ケーシング
部５の内面でハブ軸７の下方に設けられたモータベース
１に取り付けられ、そのモータベース１とこれに対応し
て同ケーシング部５に外方突出状に設けられたモータカ
バー部５ａとの間に収納されている。That is, the motor M is attached to the motor base 1 provided below the hub shaft 7 on the inner surface of the fixed side casing portion 5, and the motor base 1 and the casing portion 5 corresponding to the motor base 1 are outwardly attached to the motor base 1. It is housed between the motor cover portion 5a provided in a protruding shape.

【００１５】減速装置は、モータプーリ２、伝動第１ベ
ルト３、従動第１プーリ４、従動第２プーリ１５、伝動
第２ベルト１６、従動第３プーリ１４、小ギヤ１２およ
び大ギヤ１３から構成されている。そして、この順にモ
ータＭの回転を伝達し、その回転速度を約３２分の１に
減少させる。ここで、大ギヤ１３は、回転側ケーシング
部６に固定されており、回転側ケーシング部６と固定側
ケーシング部５とが組み合わされたときに固定側ケーシ
ング部５の小ギヤ１２にかみ合う。The speed reducer comprises a motor pulley 2, a first transmission belt 3, a first driven pulley 4, a second driven pulley 15, a second transmission belt 16, a third driven pulley 14, a small gear 12 and a large gear 13. ing. Then, the rotation of the motor M is transmitted in this order, and the rotation speed thereof is reduced to about 1/32. Here, the large gear 13 is fixed to the rotating-side casing portion 6, and meshes with the small gear 12 of the fixed-side casing portion 5 when the rotating-side casing portion 6 and the fixed-side casing portion 5 are combined.

【００１６】８および９はそれぞれ、固定側ケーシング
部５に取り付けられた中間軸Ａおよび中間軸Ｂである。
また、１１はフリーギヤである。Reference numerals 8 and 9 are an intermediate shaft A and an intermediate shaft B attached to the fixed casing portion 5, respectively.
Further, 11 is a free gear.

【００１７】大ギヤ１３まで伝達されたモータＭの回転
は、シェル型ローラクラッチ（一方向クラッチ）１０に
よりハブ体２４に伝わる。そして、ハブ体２４の回転に
より、ハブ体２４とともに回転側ケーシング部６が回転
し、後車輪が回転する。The rotation of the motor M transmitted to the large gear 13 is transmitted to the hub body 24 by the shell type roller clutch (one-way clutch) 10. The rotation of the hub body 24 causes the rotation-side casing portion 6 to rotate together with the hub body 24, and the rear wheels to rotate.

【００１８】固定側ケーシング部５の内面のうちハブ軸
７よりも高い位置には、図１および図４に示すように、
制御基板や制御回路部などを備えてなる制御部１７が同
内面に密着するように設けられている。すなわち、制御
部１７におけるモータ駆動用ＦＥＴなどの発熱部品が同
内面に密着させて取り付けられている。これにより、従
来、ケーシング外の所定箇所に設けられていた制御部１
７の設置スペースを節約することが可能になるととも
に、制御部１７を雨などによる水の被害から保護するこ
とが可能になる。また、固定側ケーシング部５および回
転側ケーシング部６は上記のようにアルミニウム合金か
らできており、かつ、固定側ケーシング部５に、制御部
１７における上記発熱部品が密着状に取り付けられてい
るので、発熱した制御部１７からの放熱が良好に行われ
る。At a position higher than the hub axle 7 on the inner surface of the fixed casing portion 5, as shown in FIGS. 1 and 4,
A control unit 17 including a control board and a control circuit unit is provided so as to be in close contact with the inner surface. That is, a heat-generating component such as a motor driving FET in the control unit 17 is attached in close contact with the inner surface. As a result, the control unit 1 conventionally provided at a predetermined location outside the casing
It becomes possible to save the installation space of 7, and protect the control unit 17 from damage of water such as rain. Further, since the stationary side casing portion 5 and the rotating side casing portion 6 are made of aluminum alloy as described above, and the heat generating component in the control unit 17 is attached to the stationary side casing portion 5 in a close contact manner. The heat generated from the control unit 17 is radiated favorably.

【００１９】次に、電池部２０の構成について、図５〜
図７に基づいてくわしく説明する。電池ケース１９は、
正面形状が略三角形であり、その最大辺側に取付用凹部
１９ａ・１９ａが設けられている。この電池ケース１９
は下パイプ２２に取り付けられている。その取り付けの
際には、凹部１９ａ・１９ａを下パイプ２２を軸として
回して、凹部１９ａ・１９ａを下パイプ２２に設けられ
たストッパ２５・２５に当接させる。Next, the structure of the battery section 20 will be described with reference to FIGS.
A detailed description will be given based on FIG. 7. The battery case 19
The front surface has a substantially triangular shape, and mounting recesses 19a, 19a are provided on the maximum side thereof. This battery case 19
Is attached to the lower pipe 22. At the time of mounting, the recesses 19a, 19a are rotated about the lower pipe 22 to bring the recesses 19a, 19a into contact with the stoppers 25, 25 provided on the lower pipe 22.

【００２０】次いで、電池ケース１９の上パイプ２１側
に設けられた錠２６・２７のキー操作部２６に、モータ
Ｍの電源を入切するための電源キーを差し入れて、回動
プレート２７（ストッパ２５のある側に設けられてい
る）を回動させる。すると、回動プレート２７は上方へ
突出して上パイプ２１に係止される。これにより、電池
ケース１９は、取り外すことができなくなる。Next, a power key for turning on and off the power of the motor M is inserted into the key operation portion 26 of the locks 26 and 27 provided on the upper pipe 21 side of the battery case 19, and the rotary plate 27 (stopper) is inserted. (Provided on the side with 25). Then, the rotating plate 27 projects upward and is locked to the upper pipe 21. As a result, the battery case 19 cannot be removed.

【００２１】この電気自転車Ｐにあっては、上記のよう
に、固定側ケーシング部５の内面に、後車輪駆動用モー
タＭと、このモータＭの回転速度を減少させる減速装置
とが、いずれも、後車輪のハブ軸７よりも低い位置で取
り付けられている。したがって、この電気自転車Ｐの重
心は従来に比べて低くなっており、走行時における安定
性が高い。In the electric bicycle P, as described above, the rear wheel drive motor M and the speed reducer for reducing the rotational speed of the motor M are both provided on the inner surface of the stationary casing 5. , Is attached at a position lower than the hub axle 7 of the rear wheel. Therefore, the center of gravity of the electric bicycle P is lower than that of the conventional one, and the stability during traveling is high.

【００２２】また、モータＭは、固定側ケーシング部５
の内面でハブ軸７の下方に設けられたモータベース１に
取り付けられ、そのモータベース１とこれに対応して同
ケーシング部５に外方突出状に設けられたモータカバー
部５ａとの間に収納されている。したがって、モータＭ
自身のカバーを省略することができるため、ケーシング
５・６が従来よりもコンパクトになっている。The motor M has a fixed casing portion 5
Is attached to the motor base 1 provided below the hub shaft 7 on the inner surface of the motor base 1, and between the motor base 1 and the corresponding motor cover portion 5a provided on the casing portion 5 so as to project outward. It is stored. Therefore, the motor M
Since the cover of itself can be omitted, the casings 5 and 6 are more compact than before.

【００２３】さらに、この電気自転車Ｐにあっては、上
記のように、フレームの上パイプ２１と下パイプ２２と
立パイプ２３とで囲まれた空間内に、かなり重量のある
電池部２０が配されている。したがって、モータＭおよ
びその減速装置をハブ軸７よりも低い位置に設けたこと
とあいまって、重心は従来に比べて低くなっており、走
行時における安定性が高い。加えて、電池ケース１９
は、上記のように、錠２６・２７を開けないと取り外す
ことができないので、簡単な構成でありながら、電池部
２０が盗難にあうおそれを防止することができる。Further, in the electric bicycle P, as described above, the considerably heavy battery portion 20 is arranged in the space surrounded by the upper pipe 21, the lower pipe 22 and the vertical pipe 23 of the frame. Has been done. Therefore, the center of gravity of the motor M and its speed reducer is lower than that of the hub shaft 7, and the center of gravity is lower than that of the conventional one, and the stability during traveling is high. In addition, the battery case 19
As described above, since it cannot be removed unless the locks 26 and 27 are opened as described above, it is possible to prevent the battery unit 20 from being stolen even though it has a simple structure.

【００２４】[0024]

【発明の効果】この発明に係る電気自転車によれば、か
なりの重量があるモータおよび減速装置が車輪のハブ軸
よりも低い位置に設けられているので、電気自転車の重
心が従来に比べて低く、走行時における安定性が高い。According to the electric bicycle of the present invention, since the motor and the reduction gear having a considerable weight are provided at a position lower than the hub axle of the wheel, the center of gravity of the electric bicycle is lower than the conventional one. High stability when driving.

【図面の簡単な説明】[Brief description of drawings]

【図１】この発明の１実施例に係る電気自転車における
ハウジングの内部を正面から見た拡大構成説明図。FIG. 1 is an enlarged configuration explanatory view of the inside of a housing of an electric bicycle according to an embodiment of the present invention as seen from the front.

【図２】図１のＩＩ−ＩＩ線に沿う断面図。FIG. 2 is a sectional view taken along line II-II of FIG.

【図３】図１のＩＩＩ−ＩＩＩ線に沿う断面図。FIG. 3 is a sectional view taken along the line III-III in FIG.

【図４】図１のＩＶ−ＩＶ線に沿う断面図。FIG. 4 is a sectional view taken along line IV-IV in FIG.

【図５】その電気自転車を正面から見た全体構成説明
図。FIG. 5 is an overall configuration explanatory view of the electric bicycle as viewed from the front.

【図６】その電気自転車の電池部を正面から見た拡大構
成説明図。FIG. 6 is an enlarged configuration explanatory view of the battery section of the electric bicycle as viewed from the front.

【図７】図６のＶＩＩ−ＶＩＩ線に沿う断面図。7 is a sectional view taken along the line VII-VII of FIG.

【符号の説明】[Explanation of symbols]

Ｍ モータ １ モータベース ２ モータプーリ（減速装置） ３ 伝動第１ベルト（減速装置） ４ 従動第１プーリ（減速装置） ５ 固定側ケーシング部 ６ 回転側ケーシング部 ７ ハブ軸 １２ 小ギヤ（減速装置） １３ 大ギヤ（減速装置） １４ 従動第３プーリ（減速装置） １５ 従動第２プーリ（減速装置） １６ 伝動第２ベルト（減速装置） ２４ ハブ体 M motor 1 motor base 2 motor pulley (speed reducer) 3 transmission first belt (speed reducer) 4 driven first pulley (speed reducer) 5 fixed casing 6 rotation side casing 7 hub shaft 12 small gear (speed reducer) 13 Large gear (speed reducer) 14 Driven third pulley (speed reducer) 15 Driven second pulley (speed reducer) 16 Transmission second belt (speed reducer) 24 Hub body

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 車輪のハブ軸を保護する盤状ケーシング
を備え、 そのケーシングは２分割状のものであり、２分割状の一
方が上記ハブ軸に固定されて固定側ケーシング部とさ
れ、同他方が上記ハブ軸を覆うハブ体に取り付けられて
そのハブ体とともに回転可能な回転側ケーシング部とさ
れており、 固定側ケーシング部の内面に、電池を電源とする車輪駆
動用モータと、このモータの回転速度を減少させる減速
装置とが、いずれも、上記ハブ軸よりも低い位置で取り
付けられてなる電気自転車。1. A disk-shaped casing for protecting a hub axle of a wheel, the casing being of a two-divided shape, one of the two-divided shape being fixed to the hub axle to form a fixed side casing portion, The other side is attached to a hub body that covers the hub shaft to form a rotatable casing portion that is rotatable together with the hub body, and a wheel driving motor that uses a battery as a power source is provided on the inner surface of the fixed casing portion. And a speed reducer for reducing the rotation speed of the electric bicycle are both attached at a position lower than the hub axle. 【請求項２】 固定側ケーシング部の一部が上記モータ
のモータカバーを兼ねている請求項１記載の電気自転
車。2. The electric bicycle according to claim 1, wherein a part of the fixed side casing portion also serves as a motor cover of the motor. 【請求項３】 制御基板および制御回路部を有してなる
制御部を備え、 その制御部における発熱部品が固定側ケーシング部の内
面に密着するように設けられている請求項１記載の電気
自転車。3. The electric bicycle according to claim 1, further comprising a control section having a control board and a control circuit section, wherein the heat-generating component of the control section is provided so as to be in close contact with the inner surface of the fixed side casing section. ..
JP4063839A 1992-03-19 1992-03-19 Electric bicycle Expired - Fee Related JP2877606B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP4063839A JP2877606B2 (en) 1992-03-19 1992-03-19 Electric bicycle
US08/028,825 US5341892A (en) 1992-03-19 1993-03-10 Motor and pedal driven bicycle
EP93103868A EP0561268B1 (en) 1992-03-19 1993-03-10 Motor and pedal driven bicycle
ES93103868T ES2112347T3 (en) 1992-03-19 1993-03-10 BICYCLE DRIVEN BY A MOTOR AND PEDALS.
DE69316254T DE69316254T2 (en) 1992-03-19 1993-03-10 Motor and pedal powered bicycle
KR1019930004035A KR970010818B1 (en) 1992-03-19 1993-03-17 Electric bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4063839A JP2877606B2 (en) 1992-03-19 1992-03-19 Electric bicycle

Publications (2)

Publication Number Publication Date
JPH05262273A true JPH05262273A (en) 1993-10-12
JP2877606B2 JP2877606B2 (en) 1999-03-31

Family

ID=13240918

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4063839A Expired - Fee Related JP2877606B2 (en) 1992-03-19 1992-03-19 Electric bicycle

Country Status (1)

Country Link
JP (1) JP2877606B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07172372A (en) * 1993-12-20 1995-07-11 Terukazu Hattori Wheel for bicycle with solar battery drive part
JPH0848157A (en) * 1994-08-04 1996-02-20 Honda Motor Co Ltd Wheel motor
JPH08275583A (en) * 1995-03-31 1996-10-18 Sanyo Electric Co Ltd Motor assisted bicycle with mechanical loss calculating function
JPH09315376A (en) * 1996-05-31 1997-12-09 Sanyo Electric Co Ltd Reduction gear for motor car
EP0825101A2 (en) 1996-08-14 1998-02-25 Matsushita Electric Industrial Co., Ltd. Electric bicyle
US5755304A (en) * 1994-08-08 1998-05-26 Yamaha Hatsudoki Kabushiki Kaisha Electric motor operated wheel
US6011366A (en) * 1996-08-02 2000-01-04 Sanyo Electric Co., Ltd. Electric bicycle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5149938B2 (en) 2010-06-11 2013-02-20 株式会社シマノ Bicycle hub with built-in motor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07172372A (en) * 1993-12-20 1995-07-11 Terukazu Hattori Wheel for bicycle with solar battery drive part
JPH0848157A (en) * 1994-08-04 1996-02-20 Honda Motor Co Ltd Wheel motor
US5755304A (en) * 1994-08-08 1998-05-26 Yamaha Hatsudoki Kabushiki Kaisha Electric motor operated wheel
JPH08275583A (en) * 1995-03-31 1996-10-18 Sanyo Electric Co Ltd Motor assisted bicycle with mechanical loss calculating function
JPH09315376A (en) * 1996-05-31 1997-12-09 Sanyo Electric Co Ltd Reduction gear for motor car
US6011366A (en) * 1996-08-02 2000-01-04 Sanyo Electric Co., Ltd. Electric bicycle
EP0825101A2 (en) 1996-08-14 1998-02-25 Matsushita Electric Industrial Co., Ltd. Electric bicyle

Also Published As

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