JP6853161B2 - Shaft member of wheel fixture and wheel fixture - Google Patents

Shaft member of wheel fixture and wheel fixture Download PDF

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JP6853161B2
JP6853161B2 JP2017216791A JP2017216791A JP6853161B2 JP 6853161 B2 JP6853161 B2 JP 6853161B2 JP 2017216791 A JP2017216791 A JP 2017216791A JP 2017216791 A JP2017216791 A JP 2017216791A JP 6853161 B2 JP6853161 B2 JP 6853161B2
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shaft member
frame
wheel
wheel fixture
power storage
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JP2019085053A (en
Inventor
栄治 三島
栄治 三島
祐一郎 日▲高▼
祐一郎 日▲高▼
能勢　佳孝
佳孝 能勢
友哉 米田
友哉 米田
鈴木　崇史
崇史 鈴木
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Shimano Inc
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Shimano Inc
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Priority to DE102018126435.6A priority patent/DE102018126435A1/en
Priority to DE202018006857.8U priority patent/DE202018006857U1/en
Priority to TW107138744A priority patent/TWI771516B/en
Publication of JP2019085053A publication Critical patent/JP2019085053A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/02—Axle suspensions for mounting axles rigidly on cycle frame or fork, e.g. adjustably
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121—Rear derailleurs
    • B62M9/122—Rear derailleurs electrically or fluid actuated; Controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/131—Front derailleurs
    • B62M9/132—Front derailleurs electrically or fluid actuated; Controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/02—Axle suspensions for mounting axles rigidly on cycle frame or fork, e.g. adjustably
    • B62K2025/025—Hinged axle clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2206/00—Quick release mechanisms adapted for cycles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Description

本発明は、自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具及び車輪取付具の軸部材に関する。 The present invention relates to a wheel fitting for mounting a wheel on a frame of a small vehicle including a bicycle and a shaft member of the wheel fitting.

電動変速機などの電動コンポーネントを備えた自転車が従来から知られている。例えば、特許文献１に開示された自転車では、電動変速機に電力を供給する電源が、フレーム又はチェーンステーに取り付けられている。 Bicycles equipped with electric components such as electric transmissions have been conventionally known. For example, in the bicycle disclosed in Patent Document 1, a power source for supplying electric power to the electric transmission is attached to a frame or a chain stay.

特開２０１６−１６５９９１号公報Japanese Unexamined Patent Publication No. 2016-16591

特許文献１の自転車では、電動変速機に電力を供給する電源などの電気部品がフレームやチェーンステーの外周に取り付けられているため、電源などの電気部品を大きくすると自転車の外観に影響を与えるおそれがある。また、衝撃、塵、及び水などから電気部品を保護するために、ハウジング等で電気部品を覆う必要がある。 In the bicycle of Patent Document 1, since electric parts such as a power supply that supplies electric power to the electric transmission are attached to the outer circumference of the frame and the chain stay, if the electric parts such as the power supply are enlarged, the appearance of the bicycle may be affected. There is. Further, in order to protect the electric parts from impact, dust, water and the like, it is necessary to cover the electric parts with a housing or the like.

本発明の課題は、自転車の電気部品の接続をシンプルにして、自転車の外観を好ましくできるようにすることにある。また、本発明の別の課題は、電源などの電気部品がフレームやチェーンステーに取付けられている場合であっても、追加の電源などの電気部品を配置する領域を確保することにある。また、本発明の別の課題は、自転車の電気部品を衝撃、塵、及び水などから保護することにある。 An object of the present invention is to simplify the connection of electric components of a bicycle so that the appearance of the bicycle can be improved. Another object of the present invention is to secure an area for arranging an electric component such as an additional power source even when the electric component such as a power source is attached to the frame or the chain stay. Another object of the present invention is to protect the electric parts of the bicycle from impact, dust, water and the like.

（１）本発明の一側面に係る車輪取付具の軸部材は、自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具の軸部材であって、本体部と、コネクタと、を備えている。コネクタは、小型車両に設けられるコンポーネントと電気的に接続可能に本体部に設けられる。 (1) The shaft member of the wheel fitting according to one aspect of the present invention is a shaft member of the wheel fitting for mounting a wheel on a frame of a small vehicle including a bicycle, and includes a main body and a connector. ing. The connector is provided on the main body so as to be electrically connected to the component provided on the small vehicle.

この車輪取付具の軸部材では、小型車両に設けられるコンポーネントと電気的に接続可能なコネクタが本体部に設けられるため、自転車の電気部品の接続がシンプルになる。例えば、軸部材の内部に電気部品を収納し、コネクタによって外部の機器と接続することにより、自転車の外観を好ましくすることができる。 In the shaft member of this wheel fitting, a connector that can be electrically connected to a component provided in a small vehicle is provided in the main body, so that the connection of electric parts of the bicycle is simplified. For example, the appearance of the bicycle can be improved by storing the electric component inside the shaft member and connecting it to an external device by a connector.

（２）好ましくは、本体部は中空に構成され、本体部の中空内部空間に配置される蓄電部をさらに備えている。この場合においても、自転車の電気部品の接続がシンプルになるとともに自転車の外観を好ましくすることができる。また、軸部材に蓄電部を配置する領域を確保することができるとともに、軸部材によって蓄電部を保護することができる。 (2) Preferably, the main body portion is configured to be hollow, and further includes a power storage unit arranged in the hollow internal space of the main body portion. Even in this case, the connection of the electric parts of the bicycle can be simplified and the appearance of the bicycle can be improved. In addition, it is possible to secure an area for arranging the power storage unit on the shaft member, and it is possible to protect the power storage unit by the shaft member.

（３）本発明の他の側面に係る車輪取付具の軸部材は、自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具の軸部材であって、少なくとも一部が中空の本体部と、本体部の内部空間に配置される蓄電部と、を備えている。 (3) The shaft member of the wheel fitting according to the other side surface of the present invention is a shaft member of the wheel fitting for mounting a wheel on a frame of a small vehicle including a bicycle, and at least a part of the shaft member is hollow. And a power storage unit arranged in the internal space of the main body unit.

この車輪取付具の軸部材では、蓄電部を軸部材に内蔵できるため、自転車の電気部品の接続がシンプルになるとともに外観が向上し、さらに軸部材によって蓄電部を保護することができる。 In the shaft member of the wheel fitting, since the power storage unit can be built in the shaft member, the connection of the electric parts of the bicycle is simplified and the appearance is improved, and the power storage unit can be protected by the shaft member.

（４）好ましくは、小型車両に設けられるコンポーネントに電気的に接続可能なコネクタをさらに備えている。この場合は、さらに自転車の電気部品の接続がシンプルになる。 (4) Preferably, a connector that can be electrically connected to a component provided in a small vehicle is further provided. In this case, the connection of the electric parts of the bicycle becomes simpler.

（５）好ましくは、コネクタは、蓄電部と、小型車両に設けられるコンポーネントと、を電気的に接続する、この場合は、さらに自転車の電気部品の接続がシンプルになる。 (5) Preferably, the connector electrically connects the power storage unit and the component provided in the small vehicle. In this case, the connection of the electric component of the bicycle is further simplified.

（６）好ましくは、蓄電部は、小型車両に設けられるコンポーネントの少なくとも１つに電力を供給する。この場合は、さらに自転車の電気部品の接続がシンプルになる。 (6) Preferably, the power storage unit supplies electric power to at least one of the components provided in the small vehicle. In this case, the connection of the electric parts of the bicycle becomes simpler.

（７）好ましくは、コンポーネントは、電動制御可能な変速機を含み、蓄電部は、変速機に電力を供給する。変速機を含む自転車において、自転車の電気部品の接続がシンプルになる。 (7) Preferably, the component includes an electrically controllable transmission and the power storage unit supplies power to the transmission. For bicycles including transmissions, the connection of bicycle electrical components is simplified.

（８）好ましくは、変速機は、電動制御可能なリアディレーラおよび電動制御可能なフロントディレーラの少なくとも一方を含み、蓄電部は、リアディレーラおよびフロントディレーラの少なくとも一方に電力を供給する。この場合は、リアディレーラ周辺又はフロントディレーラ周辺の電気部品の接続がシンプルになる。 (8) Preferably, the transmission includes at least one of an electrically controllable rear derailleur and an electrically controllable front derailleur, and the power storage unit supplies electric power to at least one of the rear derailleur and the front derailleur. In this case, the connection of the electric components around the rear derailleur or the front derailleur becomes simple.

（９）好ましくは、蓄電部は、バッテリ及びキャパシタの少なくとも一方を含む。 (9) Preferably, the power storage unit includes at least one of a battery and a capacitor.

（１０）好ましくは、蓄電部は、バッテリ及びキャパシタの両方を含む。この場合には、出力する電力（電圧および電流のうち少なくとも一つ）の大きさと蓄電量とを両立できる。 (10) Preferably, the power storage unit includes both a battery and a capacitor. In this case, the magnitude of the output power (at least one of the voltage and the current) and the amount of electricity stored can be compatible with each other.

（１１）好ましくは、外部電源によって蓄電部を充電するための充電口をさらに備えている。この場合には、蓄電部の充電を容易に行なうことができる。 (11) Preferably, a charging port for charging the power storage unit by an external power source is further provided. In this case, the power storage unit can be easily charged.

（１２）本発明の一側面に係る車輪取付具は、自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具であって、上記のいずれに記載の軸部材と、本体部をフレームに固定する固定機構と、を備えている。この車輪取付具では、自転車の電気部品の接続がシンプルになるとともに、外観が向上する。 (12) The wheel attachment according to one aspect of the present invention is a wheel attachment for attaching wheels to a frame of a small vehicle including a bicycle, and the shaft member and the main body described in any of the above are attached to the frame. It is equipped with a fixing mechanism for fixing. This wheel fixture simplifies the connection of electrical components on the bicycle and improves its appearance.

（１３）本発明の他の側面に係る車輪取付具は、自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具であって、車輪を支持する軸部材と、軸部材をフレームに固定する固定機構と、小型車両に設けられるコンポーネントと電気的に接続されるコネクタと、を備えている。この車輪取付具では、自転車の電気部品の接続がシンプルになる。 (13) The wheel attachment according to another side surface of the present invention is a wheel attachment for attaching wheels to the frame of a small vehicle including a bicycle, and the shaft member supporting the wheels and the shaft member are fixed to the frame. It is equipped with a fixing mechanism to be used and a connector that is electrically connected to a component provided in a small vehicle. This wheel mount simplifies the connection of electrical components on the bicycle.

（１４）好ましくは、小型車両に設けられるコンポーネントまたは他の外部機器からの信号を受信する無線通信部をさらに備えている。この場合は、さらに自転車の電気部品の接続がシンプルになる。 (14) Preferably, it further includes a wireless communication unit that receives a signal from a component or other external device provided in a small vehicle. In this case, the connection of the electric parts of the bicycle becomes simpler.

（１５）本発明の他の側面に係る車輪取付具は、自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具であって、車輪を支持する軸部材と、軸部材をフレームに固定する固定機構と、小型車両に設けられるコンポーネントまたは他の外部機器からの信号を受信する無線通信部と、を備えている。この車輪取付具では、自転車の電気部品の接続がシンプルになるとともに、外観が向上する。 (15) The wheel attachment according to another aspect of the present invention is a wheel attachment for attaching wheels to the frame of a small vehicle including a bicycle, and the shaft member supporting the wheels and the shaft member are fixed to the frame. It is provided with a fixing mechanism for receiving signals from a component or other external device provided in a small vehicle. This wheel fixture simplifies the connection of electrical components on the bicycle and improves its appearance.

（１６）好ましくは、無線通信部は、コンポーネントまたは他の外部機器に対して信号を送受信可能に構成される。 (16) Preferably, the wireless communication unit is configured to be able to send and receive signals to and from components or other external devices.

（１７）好ましくは、コンポーネントは、電動制御可能なリアディレーラを含み、無線通信部は、リアディレーラを変速操作可能な第１変速操作部からの信号を受信する。 (17) Preferably, the component includes an electrically controllable rear derailleur, and the wireless communication unit receives a signal from a first derailleur operating unit capable of shifting the rear derailleur.

（１８）好ましくは、コンポーネントは、電動制御可能なフロントディレーラを含み、無線通信部は、フロントディレーラを変速操作可能な第２変速操作部からの信号を受信する。 (18) Preferably, the component includes an electrically controllable front derailleur, and the wireless communication unit receives a signal from a second derailleur operating unit capable of shifting the front derailleur.

（１９）好ましくは、軸部材は、前記フレームに対する軸方向の移動が規制される第１端部、及び第１端部と反対側に位置する第２端部、を有している。固定機構は、軸部材の第２端部側に配置されたヘッド部材と、軸方向と交差する軸心回りに回動可能に前記ヘッド部材に設けられ、回動に応じて前記ヘッド部材を軸方向に移動させるレバー部材と、を有している。無線通信部は、レバー部材及びヘッド部材の一方に一体移動可能に設けられる。 (19) Preferably, the shaft member has a first end portion whose axial movement with respect to the frame is restricted, and a second end portion located on the opposite side of the first end portion. The fixing mechanism is provided on the head member arranged on the second end side of the shaft member and rotatably around the axis intersecting the axial direction, and the head member is pivoted in response to the rotation. It has a lever member that moves in a direction. The wireless communication unit is provided so as to be integrally movable with one of the lever member and the head member.

（２０）好ましくは、小型車両の電動コンポーネントを制御する制御基板をさらに備えている。この場合は、さらに自転車の電気部品の接続がシンプルになる。 (20) Preferably, a control board for controlling an electric component of a small vehicle is further provided. In this case, the connection of the electric parts of the bicycle becomes simpler.

（２１）好ましくは、軸部材は、前記フレームに対する軸方向の移動が規制される第１端部、及び第１端部と反対側に位置する第２端部、を有している。固定機構は、軸部材の第２端部側に配置されたヘッド部材と、軸方向と交差する軸心回りに回動可能に前記ヘッド部材に設けられ、回動に応じて前記ヘッド部材を軸方向に移動させるレバー部材と、を有している。無線通信部は、レバー部材及びヘッド部材の一方に一体移動可能に設けられる。 (21) Preferably, the shaft member has a first end portion in which movement in the axial direction with respect to the frame is restricted, and a second end portion located on the side opposite to the first end portion. The fixing mechanism is provided on the head member arranged on the second end side of the shaft member and rotatably around the axis intersecting the axial direction, and the head member is pivoted in response to the rotation. It has a lever member that moves in a direction. The wireless communication unit is provided so as to be integrally movable with one of the lever member and the head member.

（２２）好ましくは、小型車両の電動コンポーネントを制御する制御基板をさらに備えている。この場合は、さらに自転車の電気部品の接続がシンプルになる。 (22) Preferably, a control board for controlling an electric component of a small vehicle is further provided. In this case, the connection of the electric parts of the bicycle becomes simpler.

（２３）好ましくは、軸部材は、前記フレームに対する軸方向の移動が規制される第１端部、及び第１端部と反対側に位置する第２端部、を有している。固定機構は、軸部材の第２端部側に配置されたヘッド部材と、軸方向と交差する軸心回りに回動可能に前記ヘッド部材に設けられ、回動に応じて前記ヘッド部材を軸方向に移動させるレバー部材と、を有している。 (23) Preferably, the shaft member has a first end portion whose axial movement with respect to the frame is restricted, and a second end portion located on the opposite side of the first end portion. The fixing mechanism is provided on the head member arranged on the second end side of the shaft member and rotatably around the axis intersecting the axial direction, and the head member is pivoted in response to the rotation. It has a lever member that moves in a direction.

（２４）好ましくは、ヘッド部材の軸方向の位置を調節する調整部材をさらに備えている。この場合は、ヘッド部材の軸方向の位置を容易に調整することができる。 (24) Preferably, an adjusting member for adjusting the axial position of the head member is further provided. In this case, the axial position of the head member can be easily adjusted.

以上のような本発明では、自転車の電気部品の接続をシンプルにすることができるとともに、自転車の外観を好ましくすることが可能になる。また、自転車の電気部品を衝撃、塵、及び水などから保護することができる。 In the present invention as described above, it is possible to simplify the connection of the electric parts of the bicycle and to improve the appearance of the bicycle. In addition, the electric parts of the bicycle can be protected from impact, dust, water and the like.

本発明の一実施形態が採用された自転車の側面図。A side view of a bicycle in which one embodiment of the present invention is adopted. フレームを含む、車輪取付具の断面図。Sectional view of the wheel fixture, including the frame. 自転車用部品の電気的な接続を示したブロック図。A block diagram showing the electrical connections of bicycle parts. 車輪取付具の外観図。External view of the wheel fixture. レバー部材を第２位置に配置したときの断面図。The cross-sectional view when the lever member is arranged in the 2nd position. ヘッド部材周辺の断面図。Sectional drawing around the head member. 他の実施形態に係る図２に相当する図。The figure corresponding to FIG. 2 which concerns on another embodiment.

図１は、本発明の一実施形態が採用された自転車１００の側面図である。自転車１００は、車体１０と、前輪１２と、後輪１４と、駆動部１６と、操作装置１８と、車輪取付具２０（図２参照）と、を主に備えている。なお、以下の説明において、軸部材４２の中心軸Ｃ２（図２参照）が延びる方向を軸方向、中心軸Ｃ２と直交する方向を径方向として説明する。 FIG. 1 is a side view of a bicycle 100 in which one embodiment of the present invention is adopted. The bicycle 100 mainly includes a vehicle body 10, front wheels 12, rear wheels 14, a drive unit 16, an operating device 18, and a wheel attachment 20 (see FIG. 2). In the following description, the direction in which the central axis C2 (see FIG. 2) of the shaft member 42 extends will be described as the axial direction, and the direction orthogonal to the central axis C2 will be described as the radial direction.

車体１０は、ダイヤモンド型のフレーム２２を含む。フレーム２２は、図２に示すように、第１リアエンド２２ａと、第２リアエンド２２ｂと、を有している。なお、図２は、フレーム２２を含む、車輪取付具２０の断面図である。 The vehicle body 10 includes a diamond-shaped frame 22. As shown in FIG. 2, the frame 22 has a first rear end 22a and a second rear end 22b. Note that FIG. 2 is a cross-sectional view of the wheel fixture 20 including the frame 22.

第１リアエンド２２ａは、軸方向に貫通する第１貫通孔２２ｃを有している。第１貫通孔２２ｃは、内周面に雌ねじが形成されたねじ孔である。第２リアエンド２２ｂは、第１リアエンド２２ａと軸方向に間隔を隔てて配置されている。第２リアエンド２２ｂは、軸方向に貫通する第２貫通孔２２ｄを有している。 The first rear end 22a has a first through hole 22c that penetrates in the axial direction. The first through hole 22c is a screw hole in which a female screw is formed on the inner peripheral surface. The second rear end 22b is arranged at an axial distance from the first rear end 22a. The second rear end 22b has a second through hole 22d that penetrates in the axial direction.

前輪１２及び後輪１４は、フレーム２２に回転自在に装着されている。 The front wheels 12 and the rear wheels 14 are rotatably mounted on the frame 22.

駆動部１６は、複数のフロントスプロケット２６を含むクランク組立体２４と、複数のリアスプロケット２８と、チェーン３０と、電動制御可能な変速機３２と、を有している。チェーン３０は、複数のフロントスプロケット２６及び複数のリアスプロケット２８に噛み合う。 The drive unit 16 includes a crank assembly 24 including a plurality of front sprockets 26, a plurality of rear sprockets 28, a chain 30, and an electrically controllable transmission 32. The chain 30 meshes with the plurality of front sprockets 26 and the plurality of rear sprockets 28.

変速機３２は、電動制御可能なリアディレーラ３２ａおよび電動制御可能なフロントディレーラ３２ｂの少なくとも一方を含む。本実施形態では、変速機３２は、図１及び図３に示すように、電動制御可能なリアディレーラ３２ａおよび電動制御可能なフロントディレーラ３２ｂの両方を含む。リアディレーラ３２ａ及びフロントディレーラ３２ｂは、自転車１００を含む小型車両に設けられるコンポーネントの一例である。 The transmission 32 includes at least one of an electrically controllable rear derailleur 32a and an electrically controllable front derailleur 32b. In this embodiment, the transmission 32 includes both an electrically controllable rear derailleur 32a and an electrically controllable front derailleur 32b, as shown in FIGS. 1 and 3. The rear derailleur 32a and the front derailleur 32b are examples of components provided in a small vehicle including the bicycle 100.

リアディレーラ３２ａは、操作装置１８の操作に応じて、複数のリアスプロケット２８に噛み合うチェーン３０を架け替えて、自転車１００の変速比を変更する。 The rear derailleur 32a changes the gear ratio of the bicycle 100 by replacing the chains 30 that mesh with the plurality of rear sprockets 28 in response to the operation of the operating device 18.

フロントディレーラ３２ｂは、操作装置１８の操作に応じて、複数のフロントスプロケット２６に噛み合うチェーン３０を架け替えて、自転車１００の変速比を変更する。 The front derailleur 32b changes the gear ratio of the bicycle 100 by replacing the chains 30 that mesh with the plurality of front sprockets 26 according to the operation of the operating device 18.

操作装置１８は、図１に示すように、自転車１００のハンドルバー３４に装着されている。操作装置１８は、図３に示すように、第１変速操作部１８ａと、第２変速操作部１８ｂと、を有している。操作装置１８には、図示しない電池などにより電力が供給されている。第１変速操作部１８ａは、リアディレーラ３２ａを変速操作可能である。第２変速操作部１８ｂは、フロントディレーラ３２ｂを変速操作可能である。詳細には、操作装置１８は、第１変速操作部１８ａ又は第２変速操作部１８ｂの操作に応じた無線信号を送信可能に構成されている。本実施形態では、操作装置１８は、第１変速操作部１８ａ又は第２変速操作部１８ｂの操作に応じた電気信号を後述する無線通信部４６に無線で送信する。 As shown in FIG. 1, the operating device 18 is attached to the handlebar 34 of the bicycle 100. As shown in FIG. 3, the operating device 18 includes a first shifting operating unit 18a and a second shifting operating unit 18b. Electric power is supplied to the operating device 18 by a battery (not shown) or the like. The first shifting operation unit 18a can shift the rear derailleur 32a. The second shifting operation unit 18b can shift the front derailleur 32b. Specifically, the operating device 18 is configured to be capable of transmitting a radio signal according to the operation of the first shifting operating unit 18a or the second shifting operating unit 18b. In the present embodiment, the operating device 18 wirelessly transmits an electric signal corresponding to the operation of the first shifting operation unit 18a or the second shifting operation unit 18b to the wireless communication unit 46 described later.

車輪取付具２０は、自転車１００を含む小型車両のフレームに車輪を取り付けるための取付具である。本実施形態では、車輪取付具２０により、自転車１００のフレーム２２に後輪１４が取り付けられている。具体的には、車輪取付具２０は、自転車１００の後輪１４に設けられるリアハブ３８をフレーム２２に取り付ける。 The wheel attachment 20 is an attachment for attaching wheels to the frame of a small vehicle including the bicycle 100. In the present embodiment, the rear wheel 14 is attached to the frame 22 of the bicycle 100 by the wheel attachment 20. Specifically, the wheel attachment 20 attaches the rear hub 38 provided on the rear wheel 14 of the bicycle 100 to the frame 22.

リアハブ３８は、図２に示すように、ハブ軸３８ａと、ハブシェル３８ｂと、を有している。ハブ軸３８ａは、中空の軸部材である。ハブ軸３８ａは、車輪取付具２０によりフレーム２２の第１リアエンド２２ａ及び第２リアエンド２２ｂに着脱可能に固定される。詳細には、ハブ軸３８ａは、ハブ軸３８ａの第１端（図２右端）は、第１リアエンド２２ａに接触し、第２端（図２左端）は第２リアエンド２２ｂに接触する。ハブシェル３８ｂは、ハブ軸３８ａに回転自在に装着される。第１リアエンド２２ａにはリアディレーラ３２ａをフレーム２２に取付けるディレーラハンガ２３が設けられている。 As shown in FIG. 2, the rear hub 38 has a hub shaft 38a and a hub shell 38b. The hub shaft 38a is a hollow shaft member. The hub shaft 38a is detachably fixed to the first rear end 22a and the second rear end 22b of the frame 22 by the wheel attachment 20. Specifically, the hub shaft 38a has a first end (right end in FIG. 2) of the hub shaft 38a in contact with the first rear end 22a and a second end (left end in FIG. 2) in contact with the second rear end 22b. The hub shell 38b is rotatably mounted on the hub shaft 38a. The first rear end 22a is provided with a derailleur hanger 23 for attaching the rear derailleur 32a to the frame 22.

図４は、車輪取付具２０の外観図である。車輪取付具２０は、図２及び図４に示すように、軸部材４２と、固定機構４４と、を備えている。 FIG. 4 is an external view of the wheel fixture 20. As shown in FIGS. 2 and 4, the wheel fixture 20 includes a shaft member 42 and a fixing mechanism 44.

軸部材４２は、車輪を支持する。本実施形態では、軸部材４２は後輪１４を支持している。詳細には、軸部材４２は、ハブ軸３８ａを軸方向に挿通して配置され、リアハブ３８を支持している。軸部材４２は、第１端部４２ａと、第１端部４２ａと反対側に位置する第２端部４２ｂと、本体部４２ｃと、コネクタ４２ｄと、蓄電部４２ｅと、を有している。 The shaft member 42 supports the wheel. In this embodiment, the shaft member 42 supports the rear wheel 14. Specifically, the shaft member 42 is arranged so as to insert the hub shaft 38a in the axial direction and supports the rear hub 38. The shaft member 42 has a first end portion 42a, a second end portion 42b located on the opposite side of the first end portion 42a, a main body portion 42c, a connector 42d, and a power storage portion 42e.

第１端部４２ａは、フレーム２２に対する軸方向の移動が規制されている。詳細には、第１端部４２ａの外周面には雄ねじが形成されており、この雄ねじが第１リアエンド２２ａの第１貫通孔２２ｃの雌ねじと螺合する。 The first end portion 42a is restricted from moving in the axial direction with respect to the frame 22. Specifically, a male screw is formed on the outer peripheral surface of the first end portion 42a, and this male screw is screwed with the female screw of the first through hole 22c of the first rear end 22a.

本体部４２ｃは、軸方向に延び、第１端部４２ａと第２端部４２ｂとを接続している。本体部４２ｃは、中空に構成された中空内部空間４２ｆを有している。 The main body portion 42c extends in the axial direction and connects the first end portion 42a and the second end portion 42b. The main body portion 42c has a hollow internal space 42f configured to be hollow.

コネクタ４２ｄは、本体部４２ｃに設けられている。詳細には、コネクタ４２ｄは、本体部４２ｃの中空内部空間４２ｆに設けられている。コネクタ４２ｄは、小型車両に設けられるコンポーネントと電気的に接続可能である。また、コネクタ４２ｄは、小型車両に設けられるコンポーネントと蓄電部４２ｅとを電気的に接続する。本実施形態では、コネクタ４２ｄは、図３に示すように、リアディレーラ３２ａと蓄電部４２ｅとを電気的に接続する。また、コネクタ４２ｄは、フロントディレーラ３２ｂと蓄電部４２ｅとを電気的に接続する。コネクタ４２ｄは外周面に雄ねじが形成されている第１端部４２ａ側に設けられている。コネクタ４２ｄはリアディレーラ３２ａのディレーラハンガ２３がある第１リアエンド２２ａ側に設けられている。 The connector 42d is provided on the main body 42c. Specifically, the connector 42d is provided in the hollow internal space 42f of the main body portion 42c. The connector 42d can be electrically connected to a component provided in a small vehicle. Further, the connector 42d electrically connects the component provided in the small vehicle and the power storage unit 42e. In the present embodiment, as shown in FIG. 3, the connector 42d electrically connects the rear derailleur 32a and the power storage unit 42e. Further, the connector 42d electrically connects the front derailleur 32b and the power storage unit 42e. The connector 42d is provided on the side of the first end portion 42a in which a male screw is formed on the outer peripheral surface. The connector 42d is provided on the side of the first rear end 22a where the derailleur hanger 23 of the rear derailleur 32a is located.

コネクタ４２ｄは、接続ケーブル５０と接続する接続部４３を有している。接続部４３は、接続ケーブル５０の一端側と接続され、蓄電部４２ｅと電気的に接続されている。接続ケーブル５０の他端側は、小型車両に設けられるコンポーネントと電気的に接続される。なお、軸部材４２の第１端部４２ａ側の端面は、接続ケーブル５０が挿通する部分を除き、図示しないカバー部材で覆われている。 The connector 42d has a connection portion 43 for connecting to the connection cable 50. The connection unit 43 is connected to one end side of the connection cable 50 and is electrically connected to the power storage unit 42e. The other end of the connection cable 50 is electrically connected to a component provided in a small vehicle. The end surface of the shaft member 42 on the first end portion 42a side is covered with a cover member (not shown) except for a portion through which the connection cable 50 is inserted.

蓄電部４２ｅは、本体部４２ｃの中空内部空間４２ｆに配置されている。蓄電部４２ｅは、バッテリ４２ｇ及びキャパシタ４２ｈの少なくとも一方を含む。本実施形態では、バッテリ４２ｇ及びキャパシタ４２ｈの両方を含み、キャパシタ４２ｈは複数設けられている。バッテリ４２ｇは、例えば、充電池であってもよいし、乾電池であってもよい。キャパシタ４２ｈの出力電圧とバッテリ４２ｇの出力電圧とは異なる。本実施形態では、キャパシタ４２ｈの出力電圧はバッテリ４２ｇの出力電圧よりも大きい。また、バッテリ４２ｇの蓄電容量とキャパシタ４２ｈの蓄電容量とは異なる。本実施形態では、バッテリ４２ｇの蓄電容量はキャパシタ４２ｈの蓄電容量よりも大きい。蓄電部４２ｅは、小型車両に設けられるコンポーネントの少なくとも１つに電力を供給する。詳細には、蓄電部４２ｅは、リアディレーラ３２ａおよびフロントディレーラ３２ｂの少なくとも一方に電力を供給する。本実施形態では、蓄電部４２ｅは、リアディレーラ３２ａ及びフロントディレーラ３２ｂの両方に電力を供給する。 The power storage unit 42e is arranged in the hollow internal space 42f of the main body unit 42c. The power storage unit 42e includes at least one of the battery 42g and the capacitor 42h. In this embodiment, both the battery 42g and the capacitor 42h are included, and a plurality of capacitors 42h are provided. The battery 42g may be, for example, a rechargeable battery or a dry battery. The output voltage of the capacitor 42h and the output voltage of the battery 42g are different. In this embodiment, the output voltage of the capacitor 42h is larger than the output voltage of the battery 42g. Further, the storage capacity of the battery 42g and the storage capacity of the capacitor 42h are different. In the present embodiment, the storage capacity of the battery 42g is larger than the storage capacity of the capacitor 42h. The power storage unit 42e supplies electric power to at least one of the components provided in the small vehicle. Specifically, the power storage unit 42e supplies power to at least one of the rear derailleur 32a and the front derailleur 32b. In the present embodiment, the power storage unit 42e supplies electric power to both the rear derailleur 32a and the front derailleur 32b.

ここでは、蓄電部４２ｅが軸部材４２の中空内部空間４２ｆに配置されているため、蓄電部４２ｅを軸部材４２によって保護することができる。さらに、コネクタ４２ｄによって、リアディレーラ３２ａと蓄電部４２ｅとが電気的に接続されるため、リアディレーラ３２ａ周辺の接続がシンプルになる。 Here, since the power storage unit 42e is arranged in the hollow internal space 42f of the shaft member 42, the power storage unit 42e can be protected by the shaft member 42. Further, since the rear derailleur 32a and the power storage unit 42e are electrically connected by the connector 42d, the connection around the rear derailleur 32a is simplified.

固定機構４４は、図２及び図５に拡大して示すように、ヘッド部材５２と、レバー部材５４と、連結部材５６と、調整部材５８と、を有している。固定機構４４により、軸部材４２がフレーム２２に固定される。 As shown in an enlarged manner in FIGS. 2 and 5, the fixing mechanism 44 includes a head member 52, a lever member 54, a connecting member 56, and an adjusting member 58. The shaft member 42 is fixed to the frame 22 by the fixing mechanism 44.

ヘッド部材５２は、軸部材４２の第２端部４２ｂ側に配置されている。ヘッド部材５２は、有底筒状であり、収容部５２ａと、雄ねじ部５２ｂと、を有している。収容部５２ａは、ヘッド部材５２の内周部に非円形に設けられている。雄ねじ部５２ｂは、軸部材４２の第２端部４２ｂに近接する外周面に設けられている。 The head member 52 is arranged on the second end portion 42b side of the shaft member 42. The head member 52 has a bottomed tubular shape and has an accommodating portion 52a and a male screw portion 52b. The accommodating portion 52a is provided on the inner peripheral portion of the head member 52 in a non-circular shape. The male screw portion 52b is provided on the outer peripheral surface close to the second end portion 42b of the shaft member 42.

レバー部材５４は、軸方向と交差する軸心回りに回動可能にヘッド部材５２に設けられている。レバー部材５４は、図２の実線で示す第１位置と、二点鎖線で示す第２位置と、に回動可能である。レバー部材５４の回動に応じて、ヘッド部材５２が軸方向に移動する。なお、第１位置は、固定機構４４の最終固定位置に対応している。レバー部材５４が第１位置にあるとき、ヘッド部材５２の軸方向の位置が軸部材４２に最も近くなる。 The lever member 54 is provided on the head member 52 so as to be rotatable around an axial center intersecting the axial direction. The lever member 54 is rotatable between the first position shown by the solid line in FIG. 2 and the second position shown by the alternate long and short dash line. The head member 52 moves in the axial direction according to the rotation of the lever member 54. The first position corresponds to the final fixing position of the fixing mechanism 44. When the lever member 54 is in the first position, the axial position of the head member 52 is closest to the shaft member 42.

レバー部材５４は、図６に示すように、ヘッド部材５２を軸方向と交差する方向に貫通する回動軸６０に支持されている。レバー部材５４は、回動軸６０の軸心Ｃ１回りに回動軸６０と一体的に回動する。回動軸６０は、ヘッド部材５２に回転可能に支持されている。回動軸６０は、回動軸６０の中心軸Ｃ１から偏心したカム部６０ａを有している。 As shown in FIG. 6, the lever member 54 is supported by a rotating shaft 60 that penetrates the head member 52 in a direction intersecting the axial direction. The lever member 54 rotates integrally with the rotation shaft 60 around the axis C1 of the rotation shaft 60. The rotating shaft 60 is rotatably supported by the head member 52. The rotating shaft 60 has a cam portion 60a eccentric from the central axis C1 of the rotating shaft 60.

連結部材５６は、軸部材４２とヘッド部材５２とを、軸部材４２の中心軸Ｃ２回りに一体回転可能に連結する。連結部材５６は、図５に示すように、支持部５６ａと、延伸部５６ｂと、を有している。支持部５６ａは、外形が非円形であり、ヘッド部材５２に対して回転不能に収容部５２ａに収容される。支持部５６ａは、回動軸６０が貫通するカム孔５６ｃを有している。カム孔５６ｃは、回動軸６０のカム部６０ａが係合する長円形の孔である。この連結部材５６のカム孔５６ｃ及び回動軸６０のカム部６０ａにより、レバー部材５４の回動に応じて、ヘッド部材５２が軸方向に移動する。 The connecting member 56 connects the shaft member 42 and the head member 52 so as to be integrally rotatable around the central axis C2 of the shaft member 42. As shown in FIG. 5, the connecting member 56 has a support portion 56a and an extension portion 56b. The support portion 56a has a non-circular outer shape and is non-rotatably accommodated in the accommodating portion 52a with respect to the head member 52. The support portion 56a has a cam hole 56c through which the rotation shaft 60 penetrates. The cam hole 56c is an oval hole with which the cam portion 60a of the rotating shaft 60 is engaged. The cam hole 56c of the connecting member 56 and the cam portion 60a of the rotating shaft 60 allow the head member 52 to move in the axial direction in accordance with the rotation of the lever member 54.

延伸部５６ｂは、図５に示すように、支持部５６ａから軸部材４２に向かって軸方向に延び、一部が軸部材４２の内周部に収容される。延伸部５６ｂは、先端外周面に雄ねじ部５６ｄを有している。雄ねじ部５６ｄは、軸部材４２の第１端部４２ａ側の内周部に形成された雌ねじ部４２ｉと螺合する。また、延伸部５６ｂは、軸部材４２の外周部からねじ込まれた止めねじ６２により、回り止めされている。これにより、延伸部５６ｂと軸部材４２とが一体回転可能に連結されている。すなわち、連結部材５６を介して、軸部材４２とヘッド部材５２とが一体回転する。 As shown in FIG. 5, the stretched portion 56b extends axially from the support portion 56a toward the shaft member 42, and a part thereof is housed in the inner peripheral portion of the shaft member 42. The stretched portion 56b has a male screw portion 56d on the outer peripheral surface of the tip. The male threaded portion 56d is screwed with the female threaded portion 42i formed on the inner peripheral portion on the first end portion 42a side of the shaft member 42. Further, the stretched portion 56b is prevented from rotating by a set screw 62 screwed from the outer peripheral portion of the shaft member 42. As a result, the stretched portion 56b and the shaft member 42 are integrally rotatably connected. That is, the shaft member 42 and the head member 52 rotate integrally via the connecting member 56.

調整部材５８は、筒状の部材である。調整部材５８は、図５及び図６に示すように、雌ねじ部５８ａと、接触部５８ｂと、を有している。雌ねじ部５８ａは、調整部材５８の内周面に形成され、ヘッド部材５２の雄ねじ部５２ｂと螺合する。これにより、調整部材５８を回転させると、調整部材５８がヘッド部材５２に対して軸方向に移動する。なお、調整部材５８は、径方向において調整部材５８とヘッド部材５２との間に配置された位置決め機構６４（図６参照）により、軸方向の位置が位置決めされている。 The adjusting member 58 is a tubular member. As shown in FIGS. 5 and 6, the adjusting member 58 has a female screw portion 58a and a contact portion 58b. The female threaded portion 58a is formed on the inner peripheral surface of the adjusting member 58 and is screwed with the male threaded portion 52b of the head member 52. As a result, when the adjusting member 58 is rotated, the adjusting member 58 moves in the axial direction with respect to the head member 52. The position of the adjusting member 58 is positioned in the axial direction by a positioning mechanism 64 (see FIG. 6) arranged between the adjusting member 58 and the head member 52 in the radial direction.

接触部５８ｂは、図５に示すように、第２リアエンド２２ｂに対向する調整部材５８の端面に設けられ、第２リアエンド２２ｂの外側面２２ｅに接触可能である。 As shown in FIG. 5, the contact portion 58b is provided on the end surface of the adjusting member 58 facing the second rear end 22b, and can come into contact with the outer surface 22e of the second rear end 22b.

上記の固定機構４４により、軸部材４２をフレーム２２に固定する場合は、まず、リアハブ３８のハブ軸３８ａを、軸方向において、第１貫通孔２２ｃ及び第２貫通孔２２ｄと重なる位置に配置する。そして、軸部材４２の第１端部４２ａを、第２リアエンド２２ｂの第２貫通孔２２ｄから、第１リアエンド２２ａの第１貫通孔２２ｃに向けて挿通させる。次に、軸部材４２の第１端部４２ａを第１リアエンド２２ａの第１貫通孔２２ｃにねじ込む。次に、調整部材５８の接触部５８ｂを第２リアエンド２２ｂの外側面２２ｅに接触させる。そして、レバー部材５４を第２位置から第１位置に回動させることで、軸部材４２がフレーム２２に固定される。 When fixing the shaft member 42 to the frame 22 by the fixing mechanism 44, first, the hub shaft 38a of the rear hub 38 is arranged at a position overlapping the first through hole 22c and the second through hole 22d in the axial direction. .. Then, the first end portion 42a of the shaft member 42 is inserted from the second through hole 22d of the second rear end 22b toward the first through hole 22c of the first rear end 22a. Next, the first end portion 42a of the shaft member 42 is screwed into the first through hole 22c of the first rear end 22a. Next, the contact portion 58b of the adjusting member 58 is brought into contact with the outer surface 22e of the second rear end 22b. Then, by rotating the lever member 54 from the second position to the first position, the shaft member 42 is fixed to the frame 22.

なお、レバー部材５４を第２位置から第１位置に回動させたときに、レバー部材５４がフレーム２２に対して最適な位置になければ、レバー部材５４の位置を調整する必要がある。詳細には、まず、レバー部材５４を第２位置に戻す。そして、ねじが緩む方向に軸部材４２を回転させて、レバー部材５４の位置を調整する。その後、再び調整部材５８の接触部５８ｂを第２リアエンド２２ｂの外側面２２ｅに接触させ、レバー部材５４を第２位置から第１位置に回動させる。ここでは、調整部材５８によって、フレーム２２に対するレバー部材５４の位置を容易に調整することができる。 If the lever member 54 is not in the optimum position with respect to the frame 22 when the lever member 54 is rotated from the second position to the first position, it is necessary to adjust the position of the lever member 54. Specifically, first, the lever member 54 is returned to the second position. Then, the shaft member 42 is rotated in the direction in which the screw is loosened to adjust the position of the lever member 54. After that, the contact portion 58b of the adjusting member 58 is brought into contact with the outer surface 22e of the second rear end 22b again, and the lever member 54 is rotated from the second position to the first position. Here, the position of the lever member 54 with respect to the frame 22 can be easily adjusted by the adjusting member 58.

車輪取付具２０は、図４に示すように、無線通信部４６と、制御基板４８と、をさらに備えている。なお、図２及び図５では、無線通信部４６及び制御基板４８を省略している。 As shown in FIG. 4, the wheel attachment 20 further includes a wireless communication unit 46 and a control board 48. Note that in FIGS. 2 and 5, the wireless communication unit 46 and the control board 48 are omitted.

無線通信部４６は、レバー部材５４及びヘッド部材５２の一方に一体移動可能に設けられている。本実施形態では、ヘッド部材５２に一体移動可能に設けられている。詳細には、無線通信部４６は、ヘッド部材５２の外周部に設けられたハウジング６８の内部に収容されている。ハウジング６８は、ヘッド部材５２に接着、又はねじ等の固定手段により、ヘッド部材５２に一体回転可能に固定されている。 The wireless communication unit 46 is provided so as to be integrally movable with one of the lever member 54 and the head member 52. In the present embodiment, the head member 52 is provided so as to be integrally movable. Specifically, the wireless communication unit 46 is housed inside a housing 68 provided on the outer peripheral portion of the head member 52. The housing 68 is integrally rotatably fixed to the head member 52 by adhesion to the head member 52 or by fixing means such as screws.

ハウジング６８は、レバー部材５４が第１位置にあるとき、レバー部材５４と軸方向において対向する位置に設けられている。なお、ハウジング６８の内部には、外部電源７０に接続可能な充電口７２が設けられている。蓄電部４２ｅの充電は、外部電源７０から充電口７２を介して行われる。なお、図３及び図４では、充電口７２は、制御基板４８を介して蓄電部４２ｅに接続されているが、制御基板４８を介さずに充電口７２と蓄電部４２ｅとを接続してもよい。 The housing 68 is provided at a position facing the lever member 54 in the axial direction when the lever member 54 is in the first position. A charging port 72 that can be connected to the external power supply 70 is provided inside the housing 68. Charging of the power storage unit 42e is performed from the external power source 70 via the charging port 72. Although the charging port 72 is connected to the power storage unit 42e via the control board 48 in FIGS. 3 and 4, the charging port 72 and the power storage unit 42e may be connected without the control board 48. Good.

無線通信部４６は、小型車両に設けられるコンポーネントまたは他の外部機器からの信号を受信する。また、無線通信部４６は、小型車両に設けられるコンポーネントまたは他の外部機器に対して信号を送受信可能に構成されている。本実施形態では、無線通信部４６は、第１変速操作部１８ａ及び第２変速操作部１８ｂからの信号を受信する。なお、無線通信部４６には、蓄電部４２ｅから電力が供給されている。 The wireless communication unit 46 receives a signal from a component or other external device provided in a small vehicle. Further, the wireless communication unit 46 is configured to be able to transmit and receive signals to a component provided in a small vehicle or another external device. In the present embodiment, the wireless communication unit 46 receives signals from the first gear shifting operation unit 18a and the second gear shifting operation unit 18b. Power is supplied to the wireless communication unit 46 from the power storage unit 42e.

制御基板４８は、レバー部材５４及びヘッド部材５２の一方に一体移動可能に設けられている。本実施形態では、制御基板４８は、ハウジング６８の内部に収容されており、ヘッド部材５２に一体移動可能に設けられている。制御基板４８は、蓄電部４２ｅと電気的に接続されており、蓄電部４２ｅから供給された電力により、小型車両の電動コンポーネントを制御する。本実施形態では、制御基板４８は、蓄電部４２ｅから供給された電力により、リアディレーラ３２ａ及びフロントディレーラ３２ｂを制御する。 The control board 48 is provided so as to be integrally movable with one of the lever member 54 and the head member 52. In the present embodiment, the control board 48 is housed inside the housing 68, and is provided so as to be integrally movable with the head member 52. The control board 48 is electrically connected to the power storage unit 42e, and controls the electric component of the small vehicle by the electric power supplied from the power storage unit 42e. In the present embodiment, the control board 48 controls the rear derailleur 32a and the front derailleur 32b by the electric power supplied from the power storage unit 42e.

制御基板４８は、図４に示すように、接続ケーブル４９により蓄電部４２ｅと電気的に接続されている。接続ケーブル４９は、ヘッド部材５２を貫通して、ヘッド部材５２の内周部から軸部材４２の中空内部空間４２ｆまで挿通している。なお、ヘッド部材５２を貫通させずに接続ケーブル４９を軸部材４２の中空内部空間４２ｆまで挿通させてもよい。 As shown in FIG. 4, the control board 48 is electrically connected to the power storage unit 42e by the connection cable 49. The connection cable 49 penetrates the head member 52 and is inserted from the inner peripheral portion of the head member 52 to the hollow internal space 42f of the shaft member 42. The connection cable 49 may be inserted into the hollow internal space 42f of the shaft member 42 without penetrating the head member 52.

制御基板４８は、無線通信部４６と電気的に接続されている。例えば、第１変速操作部１８ａが操作されると、第１変速操作部１８ａからの信号を無線通信部４６が受信する。無線通信部４６が受信した信号に基づき、制御基板４８は、リアディレーラ３２ａを制御する。すなわち、リアディレーラ３２ａによって、複数のリアスプロケット２８に噛み合うチェーン３０が架け替えられ、自転車１００の変速比が変更される。 The control board 48 is electrically connected to the wireless communication unit 46. For example, when the first shifting operation unit 18a is operated, the wireless communication unit 46 receives the signal from the first shifting operation unit 18a. The control board 48 controls the rear derailleur 32a based on the signal received by the wireless communication unit 46. That is, the rear derailleur 32a replaces the chains 30 that mesh with the plurality of rear sprockets 28, and the gear ratio of the bicycle 100 is changed.

なお、制御基板４８により自動で電動制御可能な変速機３２に変速信号を送るように制御してもよい。すなわち、図３に示すように、別途、車速、ケイデンス、トルク、及びパワーのうち少なくとも１つに関する情報を取得する情報取得部７６を設けて、情報取得部７６が取得した情報に基づいて変速機３２を制御してもよい。この場合、操作装置１８及び情報取得部７６のいずれに基づいて変速機３２を制御するかどうかを任意に選択できるように構成してもよい。情報取得部７６は、例えばハウジング６８の内部に収容され、制御基板４８と電気的に接続される。 The control board 48 may be controlled to send a shift signal to the transmission 32 that can be automatically and electrically controlled. That is, as shown in FIG. 3, an information acquisition unit 76 for acquiring information on at least one of vehicle speed, cadence, torque, and power is separately provided, and a transmission is provided based on the information acquired by the information acquisition unit 76. 32 may be controlled. In this case, it may be configured so that it can be arbitrarily selected whether or not to control the transmission 32 based on which of the operating device 18 and the information acquisition unit 76. The information acquisition unit 76 is housed inside the housing 68, for example, and is electrically connected to the control board 48.

また、レバー部材５４及びヘッド部材５２の少なくとも一方に蓄電部４２ｅとは異なる蓄電部５１を追加して設けてもよい。例えば、図４に示すように、蓄電部５１をハウジング６８の内部に設けてもよい。 Further, a power storage unit 51 different from the power storage unit 42e may be additionally provided on at least one of the lever member 54 and the head member 52. For example, as shown in FIG. 4, the power storage unit 51 may be provided inside the housing 68.

＜他の実施形態＞
以上、本発明の一実施形態について説明したが、本発明は上記実施形態に限定されるものではなく、発明の要旨を逸脱しない範囲で種々の変更が可能である。特に、本明細書に書かれた複数の実施形態および変形例は必要に応じて任意に組合せ可能である。 <Other Embodiments>
Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the gist of the invention. In particular, the plurality of embodiments and modifications described herein can be arbitrarily combined as required.

（ａ）前記実施形態では、軸部材４２の第１端部４２ａの雄ねじが第１リアエンド２２ａの第１貫通孔２２ｃの雌ねじに螺合していたが、例えば、図７に示すように、ナットなどの係止部材７４に軸部材４２の第１端部４２ａの雄ねじを螺合させてもよい。この場合、制御基板４８、無線通信部４６及び追加の蓄電部５１の少なくとも一つを係止部材７４に設けてもよい。このとき、係止部材７４に設けられた制御基板４８、無線通信部４６及び追加の蓄電部５１の少なくとも一つが、係止部材７４の内周側に設けられた接点と軸部材４２の外周側に設けられた接点によりコネクタ４２ｄと電気的に接続されていてもよい。 (A) In the above embodiment, the male screw of the first end portion 42a of the shaft member 42 is screwed into the female screw of the first through hole 22c of the first rear end 22a. The male screw of the first end portion 42a of the shaft member 42 may be screwed into the locking member 74 such as. In this case, at least one of the control board 48, the wireless communication unit 46, and the additional power storage unit 51 may be provided on the locking member 74. At this time, at least one of the control board 48, the wireless communication unit 46, and the additional power storage unit 51 provided on the locking member 74 is a contact provided on the inner peripheral side of the locking member 74 and the outer peripheral side of the shaft member 42. It may be electrically connected to the connector 42d by the contact provided in.

（ｂ）前記実施形態では、小型車両に設けられるコンポーネントの一例として、リアディレーラ３２ａ及びフロントディレーラ３２ｂを例示したが、本発明はこれに限定されない。例えば、電動内装変速装置、電動シートポスト、電動サスペンション、ライト、ダイナモ、電動制動装置、パワーメータ、フレーム等に取付けられる電源などの電気部品、及び人力駆動力をアシストするドライブユニットなども小型車両に設けられるコンポーネントの一例である。 (B) In the above embodiment, the rear derailleur 32a and the front derailleur 32b have been exemplified as examples of the components provided in the small vehicle, but the present invention is not limited thereto. For example, electric internal transmissions, electric seatposts, electric suspensions, lights, dynamos, electric braking devices, power meters, electric parts such as power supplies attached to frames, and drive units that assist human-powered driving force are also provided in small vehicles. It is an example of the component to be used.

（ｃ）前記実施形態では、無線通信部４６は、第１変速操作部１８ａ及び第２変速操作部１８ｂからの信号を受信するように構成されていたが、本発明はこれに限定されない。小型車両に設けられる他のコンポーネントや、パーソナルコンピュータ、タブレット型コンピュータ、及びスマートフォンなどの外部装置からの信号を受信するように構成してもよい。 (C) In the above embodiment, the wireless communication unit 46 is configured to receive signals from the first speed change operation unit 18a and the second speed change operation unit 18b, but the present invention is not limited thereto. It may be configured to receive signals from other components provided in a small vehicle or from external devices such as personal computers, tablet computers, and smartphones.

（ｄ）前記実施形態では、後輪１４を車輪取付具２０で自転車１００のフレーム２２に取り付けていたが、前輪１２を自転車１００のフレーム２２に取り付ける場合にも本発明を適用できる。 (D) In the above embodiment, the rear wheel 14 is attached to the frame 22 of the bicycle 100 by the wheel attachment 20, but the present invention can also be applied when the front wheel 12 is attached to the frame 22 of the bicycle 100.

（ｅ）前記実施形態では、フレーム２２の貫通孔２２ｃ，２２ｄを貫通する車輪取付具２０を開示したが、本発明はこれに限定されない。フレーム２２に設けられる溝に装着される車輪取付具にも本発明を適用できる。 (E) In the above embodiment, the wheel attachment 20 penetrating the through holes 22c and 22d of the frame 22 is disclosed, but the present invention is not limited thereto. The present invention can also be applied to a wheel fixture mounted in a groove provided in the frame 22.

（ｆ）前記実施形態では、制御基板４８及び無線通信部４６をヘッド部材５２に一体移動可能に設けていたが、制御基板４８及び無線通信部４６を軸部材４２の中空内部空間４２ｆに設けてもよい。 (F) In the above embodiment, the control board 48 and the wireless communication unit 46 are provided integrally with the head member 52 so as to be movable, but the control board 48 and the wireless communication unit 46 are provided in the hollow internal space 42f of the shaft member 42. May be good.

（ｇ）コネクタ４２ｄは、充電口を兼ねた構成であってもよい。すなわち、コネクタ４２ｄから蓄電部４２ｅを充電可能に構成してもよい。 (G) The connector 42d may also have a configuration that also serves as a charging port. That is, the power storage unit 42e may be configured to be rechargeable from the connector 42d.

１８ａ 第１変速操作部
１８ｂ 第２変速操作部
２０ 車輪取付具
２２ フレーム
３２ 変速機
３２ａ リアディレーラ
３２ｂ フロントディレーラ
４２ 軸部材
４２ａ 第１端部
４２ｂ 第２端部
４２ｃ 本体部
４２ｄ コネクタ
４２ｅ 蓄電部
４２ｇ バッテリ
４２ｈ キャパシタ
４２ｆ 中空内部空間
４４ 固定機構
４６ 無線通信部
４８ 制御基板
５２ ヘッド部材
５４ レバー部材
５８ 調整部材
７２ 充電口
１００ 自転車 18a 1st transmission operation unit 18b 2nd transmission operation unit 20 Wheel attachment 22 Frame 32 Transmission 32a Rear derailleur 32b Front derailleur 42 Shaft member 42a 1st end 42b 2nd end 42c Main body 42d Connector 42e Power storage 42g Battery 42h Capacitor 42f Hollow internal space 44 Fixing mechanism 46 Wireless communication unit 48 Control board 52 Head member 54 Lever member 58 Adjusting member 72 Charging port 100 Bicycle

Claims (24)

自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具の軸部材であって、
本体部と、
前記小型車両に設けられるコンポーネントと電気的に接続可能に前記本体部に設けられるコネクタと
前記軸部材に内蔵される蓄電部と、
を備える、車輪取付具の軸部材。 A shaft member of a wheel fixture for attaching wheels to the frame of a small vehicle including a bicycle.
With the main body
With a connector provided on the main body so that it can be electrically connected to a component provided on the small vehicle.
The power storage unit built into the shaft member and
A shaft member of a wheel fixture. 自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具の軸部材であって、
少なくとも一部が中空の本体部と、
前記本体部の中空内部空間に配置される蓄電部と、
を備える、車輪取付具の軸部材。 A shaft member of a wheel fixture for attaching wheels to the frame of a small vehicle including a bicycle.
At least partly hollow body and
A power storage unit arranged in the hollow internal space of the main body,
A shaft member of a wheel fixture. 前記小型車両に設けられるコンポーネントに電気的に接続可能なコネクタ
をさらに備える、請求項２に記載の軸部材。 The shaft member according to claim 2 , further comprising a connector that can be electrically connected to a component provided in the small vehicle. 前記コネクタは、前記蓄電部と、前記小型車両に設けられる前記コンポーネントと、を電気的に接続する、
請求項１または３に記載の軸部材。 The connector electrically connects the power storage unit and the component provided in the small vehicle.
The shaft member according to claim 1 or 3. 前記蓄電部は、前記小型車両に設けられるコンポーネントの少なくとも１つに電力を供給する、
請求項１から４のいずれか１項に記載の軸部材。 The power storage unit supplies electric power to at least one of the components provided in the small vehicle.
The shaft member according to any one of claims 1 to 4. 前記コンポーネントは、電動制御可能な変速機を含み、
前記蓄電部は、変速機に電力を供給する、
請求項５に記載の軸部材。 The components include electrically controllable transmissions.
The power storage unit supplies electric power to the transmission.
The shaft member according to claim 5. 前記変速機は、電動制御可能なリアディレーラおよび電動制御可能なフロントディレーラの少なくとも一方を含み、
前記蓄電部は、前記リアディレーラおよび前記フロントディレーラの少なくとも一方に電力を供給する、
請求項６に記載の軸部材。 The transmission includes at least one of an electrically controllable rear derailleur and an electrically controllable front derailleur.
The power storage unit supplies electric power to at least one of the rear derailleur and the front derailleur.
The shaft member according to claim 6. 前記蓄電部は、バッテリ及びキャパシタの少なくとも一方を含む、
請求項１から７のいずれか１項に記載の軸部材。 The power storage unit includes at least one of a battery and a capacitor.
The shaft member according to any one of claims 1 to 7. 前記蓄電部は、バッテリ及びキャパシタの両方を含む、
請求項８に記載の軸部材。 The power storage unit includes both a battery and a capacitor.
The shaft member according to claim 8. 外部電源によって前記蓄電部を充電するための充電口をさらに備える、
請求項１から９のいずれか１項に記載の軸部材。 A charging port for charging the power storage unit with an external power source is further provided.
The shaft member according to any one of claims 1 to 9. 自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具であって、
請求項１から１０のいずれか１項に記載の軸部材と、
前記本体部を前記フレームに固定する固定機構と、
を備える、車輪取付具。 A wheel fixture for attaching wheels to the frame of small vehicles including bicycles.
The shaft member according to any one of claims 1 to 10 and
A fixing mechanism for fixing the main body to the frame,
A wheel fixture. 自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具であって、
前記車輪を支持する軸部材と、
前記軸部材に内蔵される蓄電部と、
前記軸部材を前記フレームに固定する固定機構と、
前記小型車両に設けられるコンポーネントと電気的に接続されるコネクタと、
を備える、車輪取付具。 A wheel fixture for attaching wheels to the frame of small vehicles including bicycles.
The shaft member that supports the wheel and
The power storage unit built into the shaft member and
A fixing mechanism for fixing the shaft member to the frame,
A connector that is electrically connected to a component provided in the small vehicle,
A wheel fixture. 前記小型車両に設けられるコンポーネントまたは他の外部機器からの信号を受信する無線通信部、
をさらに備える、請求項１１又は１２に記載の車輪取付具。 A wireless communication unit that receives signals from components or other external devices provided in the small vehicle.
The wheel attachment according to claim 11 or 12 , further comprising. 自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具であって、
前記車輪を支持する軸部材と、
前記軸部材を前記フレームに固定する固定機構と、
前記小型車両に設けられるコンポーネントまたは他の外部機器からの信号を受信する無線通信部と、
を備える、車輪取付具。 A wheel fixture for attaching wheels to the frame of small vehicles including bicycles.
The shaft member that supports the wheel and
A fixing mechanism for fixing the shaft member to the frame,
A wireless communication unit that receives signals from components or other external devices provided in the small vehicle.
A wheel fixture. 前記無線通信部は、前記コンポーネントまたは前記他の外部機器に対して信号を送受信可能に構成される、
請求項１３又は１４に記載の車輪取付具。 The wireless communication unit is configured to be capable of transmitting and receiving signals to and from the component or the other external device.
The wheel fixture according to claim 13 or 14. 前記コンポーネントは、電動制御可能なリアディレーラを含み、
前記無線通信部は、前記リアディレーラを変速操作可能な第１変速操作部からの信号を受信する、
請求項１３から１５のいずれか１項に記載の車輪取付具。 The components include an electrically controllable rear derailleur.
The wireless communication unit receives a signal from the first shifting operation unit capable of shifting the rear derailleur.
The wheel fixture according to any one of claims 13 to 15. 前記コンポーネントは、電動制御可能なフロントディレーラを含み、
前記無線通信部は、前記フロントディレーラを変速操作可能な第２変速操作部からの信号を受信する、
請求項１３から１６のいずれか１項に記載の車輪取付具。 The components include an electrically controllable front derailleur.
The wireless communication unit receives a signal from a second shifting operation unit capable of shifting the front derailleur.
The wheel fixture according to any one of claims 13 to 16. 前記軸部材は、前記フレームに対する軸方向の移動が規制される第１端部、及び前記第１端部と反対側に位置する第２端部、を有し、
前記固定機構は、前記軸部材の前記第２端部側に配置されたヘッド部材と、軸方向と交差する軸心回りに回動可能に前記ヘッド部材に設けられ、回動に応じて前記ヘッド部材を軸方向に移動させるレバー部材と、を有し、
前記無線通信部は、前記レバー部材及び前記ヘッド部材の一方に一体移動可能に設けられる、
請求項１３から１７のいずれか１項に記載の車輪取付具。 The shaft member has a first end portion whose axial movement with respect to the frame is restricted, and a second end portion located on the opposite side of the first end portion.
The fixing mechanism is provided on the head member rotatably around the axis intersecting the axial direction with the head member arranged on the second end side of the shaft member, and the head member responds to the rotation. It has a lever member that moves the member in the axial direction, and
The wireless communication unit is provided so as to be integrally movable with one of the lever member and the head member.
The wheel fixture according to any one of claims 13 to 17. 前記小型車両の電動コンポーネントを制御する制御基板をさらに備える、
請求項１３から１８のいずれか１項に記載の車輪取付具。 A control board for controlling the electric components of the small vehicle is further provided.
The wheel fixture according to any one of claims 13 to 18. 前記軸部材は、前記フレームに対する軸方向の移動が規制される第１端部、及び前記第１端部と反対側に位置する第２端部、を有し、
前記固定機構は、前記軸部材の前記第２端部側に配置されたヘッド部材と、軸方向と交差する軸心回りに回動可能に前記ヘッド部材に設けられ、回動に応じて前記ヘッド部材を軸方向に移動させるレバー部材と、を有し、
前記制御基板は、前記レバー部材及び前記ヘッド部材の一方に一体移動可能に設けられる、
請求項１９に記載の車輪取付具。 The shaft member has a first end portion whose axial movement with respect to the frame is restricted, and a second end portion located on the opposite side of the first end portion.
The fixing mechanism is provided on the head member rotatably around the axis intersecting the axial direction with the head member arranged on the second end side of the shaft member, and the head member responds to the rotation. It has a lever member that moves the member in the axial direction, and
The control board is provided so as to be integrally movable with one of the lever member and the head member.
The wheel fixture according to claim 19. 前記小型車両の電動コンポーネントを制御する制御基板をさらに備える、
請求項１１または１２に記載の車輪取付具。 A control board for controlling the electric components of the small vehicle is further provided.
The wheel fixture according to claim 11 or 12. 自転車を含む小型車両のフレームに車輪を取り付けるための車輪取付具であって、 A wheel fixture for attaching wheels to the frame of small vehicles including bicycles.
前記車輪を支持する軸部材と、 The shaft member that supports the wheel and
前記軸部材を前記フレームに固定する固定機構と、 A fixing mechanism for fixing the shaft member to the frame,
前記小型車両の電動コンポーネントを制御する制御基板と、 A control board that controls the electric components of the small vehicle,
を備える、車輪取付具。A wheel fixture. 前記軸部材は、前記フレームに対する軸方向の移動が規制される第１端部、及び前記第１端部と反対側に位置する第２端部、を有し、
前記固定機構は、前記軸部材の前記第２端部側に配置されたヘッド部材と、軸方向と交差する軸心回りに回動可能に前記ヘッド部材に設けられ、回動に応じて前記ヘッド部材を軸方向に移動させるレバー部材と、を有する、
請求項１１から２２のいずれか１項に記載の車輪取付具。 The shaft member has a first end portion whose axial movement with respect to the frame is restricted, and a second end portion located on the opposite side of the first end portion.
The fixing mechanism is provided on the head member rotatably around the axis intersecting the axial direction with the head member arranged on the second end side of the shaft member, and the head member responds to the rotation. It has a lever member that moves the member in the axial direction, and has.
The wheel fixture according to any one of claims 11 to 22. 前記ヘッド部材の軸方向の位置を調節する調整部材
をさらに備える、請求項２３に記載の車輪取付具。 23. The wheel attachment according to claim 23, further comprising an adjusting member for adjusting the axial position of the head member.
JP2017216791A 2017-11-09 2017-11-09 Shaft member of wheel fixture and wheel fixture Active JP6853161B2 (en)

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DE202018006857.8U DE202018006857U1 (en) 2017-11-09 2018-10-24 Shaft element of a wheel fastening device and wheel fastening device
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