JP7381531B2 - bicycle parts - Google Patents

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Publication number
JP7381531B2
JP7381531B2 JP2021144728A JP2021144728A JP7381531B2 JP 7381531 B2 JP7381531 B2 JP 7381531B2 JP 2021144728 A JP2021144728 A JP 2021144728A JP 2021144728 A JP2021144728 A JP 2021144728A JP 7381531 B2 JP7381531 B2 JP 7381531B2
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Prior art keywords
rotating body
sensor
claw member
crankshaft
bicycle component
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JP2021144728A
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JP2021191677A (en
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慎一朗 野田
昭彦 正下
兼介 多賀谷
剛 亀田
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Shimano Inc
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Shimano Inc
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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
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/45—Control or actuating devices therefor
    • B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement 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
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/02—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of unchangeable ratio
    • 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
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/55—Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/24—Freewheels or freewheel clutches specially adapted for cycles
    • F16D41/30—Freewheels or freewheel clutches specially adapted for cycles with hinged pawl co-operating with teeth, cogs, or the like

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Description

本発明は、自転車用部品に関する。 TECHNICAL FIELD The present invention relates to bicycle parts.

自転車用部品として、例えば、特許文献１のものが知られている。この自転車用部品の回転体には、クランク軸に入力される人力駆動力および自転車の推進をアシストするモータのトルクの少なくとも一方が伝達される。 As bicycle parts, for example, those disclosed in Patent Document 1 are known. At least one of the human driving force input to the crankshaft and the torque of a motor that assists in propulsion of the bicycle is transmitted to the rotating body of this bicycle component.

特開平１０－５９２６０号公報Japanese Patent Application Publication No. 10-59260

本発明の目的は、好適にトルクが伝達される自転車用部品を提供することである。 SUMMARY OF THE INVENTION An object of the present invention is to provide a bicycle component that allows torque to be transmitted in a suitable manner.

本発明の第１側面に従う自転車用部品の一形態は、爪部材、前記爪部材を移動可能に支持しクランク軸に連結される第１回転体、および、前記爪部材と係合可能な溝部を有する第２回転体を含むワンウェイクラッチと、前記第１回転体に設けられ、前記第１回転体に入力される力に応じた信号を出力するセンサと、を含む。
上記第１側面に従えば、爪部材と溝部とが係合することによって、クランク軸のトルクが第１回転体から第２回転体に好適に伝達される。このため、第１回転体においてトルクがクランク軸側から第２回転体側へ安定して伝達されるため、センサの検出精度が高まる。 One form of the bicycle component according to the first aspect of the present invention includes a pawl member, a first rotating body that movably supports the pawl member and is connected to a crankshaft, and a groove that can be engaged with the pawl member. a one-way clutch including a second rotating body, and a sensor provided on the first rotating body and outputting a signal according to a force input to the first rotating body.
According to the first aspect, the torque of the crankshaft is suitably transmitted from the first rotating body to the second rotating body by engaging the claw member and the groove. Therefore, torque is stably transmitted from the crankshaft side to the second rotary body side in the first rotary body, thereby increasing the detection accuracy of the sensor.

前記第１側面に従う第２側面の自転車用部品において、前記第２回転体は、車輪の回転軸とは異なる回転軸まわりに回転可能なホイール部材に連結され、前記溝部は、前記爪部材と係合可能な係合面、および、前記溝部の底を形成する底面を含み、前記爪部材および前記溝部は、前記爪部材と前記底面とが接触しないように形成される。
上記第２側面に従えば、第１回転体と第２回転体とが相対回転する場合に、爪部材と底面とが接触しないので、騒音が低減される。 In the bicycle component according to the second aspect according to the first aspect, the second rotating body is connected to a wheel member rotatable around a rotation axis different from the rotation axis of the wheel, and the groove portion is engaged with the claw member. The hook member includes an engaging surface that can be fitted together, and a bottom surface that forms the bottom of the groove, and the claw member and the groove are formed such that the claw member and the bottom surface do not come into contact with each other.
According to the second aspect, when the first rotating body and the second rotating body rotate relative to each other, the claw member and the bottom surface do not come into contact with each other, so that noise is reduced.

本発明の第３側面に従う自転車用部品の一形態は、爪部材、前記爪部材を移動可能に支持する第１回転体、前記爪部材と係合可能な溝部を有する第２回転体を含むワンウェイクラッチを含み、前記第１回転体および前記第２回転体の一方は、クランク軸に連結され、前記第１回転体および前記第２回転体の他方は、車輪の回転軸とは異なる回転軸まわりに回転可能なホイール部材に連結され、前記溝部は、前記爪部材と係合可能な係合面、および、前記溝部の底を形成する底面を含み、前記爪部材および前記溝部は、前記爪部材と前記底面とが接触しないように形成される。
上記第２側面に従えば、爪部材と溝部とが係合することによって、クランク軸のトルクがホイール部材に好適に伝達される。さらに、第１回転体と第２回転体とが相対回転する場合に、爪部材と底面とが接触しないので、騒音が低減される。 One form of the bicycle component according to the third aspect of the present invention includes a pawl member, a first rotary body that movably supports the pawl member, and a second rotary body that has a groove that can be engaged with the pawl member. including a clutch, one of the first rotating body and the second rotating body is connected to a crankshaft, and the other of the first rotating body and the second rotating body is rotated around a rotation axis different from the rotation axis of the wheel. the groove portion includes an engagement surface that is engageable with the pawl member, and a bottom surface forming a bottom of the groove portion, the pawl member and the groove portion are connected to the pawl member. and the bottom surface are formed so as not to be in contact with each other.
According to the second aspect, the torque of the crankshaft is suitably transmitted to the wheel member by engaging the claw member and the groove. Further, when the first rotating body and the second rotating body rotate relative to each other, the claw members and the bottom surface do not come into contact with each other, so that noise is reduced.

前記第１～第３側面のいずれか１つに従う第４側面の自転車用部品において、前記第１回転体は、筒状に形成され、内周部に第１連結部を有し、前記クランク軸は、第１連結部に嵌合される第２連結部を外周部に有し、前記第１連結部と前記第２連結部との間に設けられる接着剤をさらに含む。
上記第３側面に従えば、接着剤によって第１連結部と第２連結部とが固定されるため、クランク軸から第１回転体にトルクが安定して伝達される。 In the bicycle component according to the fourth aspect according to any one of the first to third aspects, the first rotating body is formed in a cylindrical shape, has a first connecting portion on an inner circumference, and is connected to the crankshaft. has a second connecting part fitted to the first connecting part on the outer peripheral part, and further includes an adhesive provided between the first connecting part and the second connecting part.
According to the third aspect, since the first connecting portion and the second connecting portion are fixed by the adhesive, torque is stably transmitted from the crankshaft to the first rotating body.

前記第１～第３側面のいずれか１つに従う第５側面の自転車用部品において、前記第１回転体は、筒状に形成され、内周部に第１連結部を有し、前記クランク軸は、第１連結部に圧入される第２連結部を外周部に有する。
上記第５側面に従えば、圧入によって第１連結部と第２連結部とが固定されるため、クランク軸から第１回転体にトルクが安定して伝達される。 In the bicycle component according to the fifth aspect according to any one of the first to third aspects, the first rotating body is formed in a cylindrical shape, has a first connecting part on an inner peripheral part, and is connected to the crankshaft. has a second connecting portion on the outer periphery that is press-fitted into the first connecting portion.
According to the fifth aspect, the first connecting portion and the second connecting portion are fixed by press fitting, so that torque is stably transmitted from the crankshaft to the first rotating body.

前記第３側面に従う第６側面の自転車用部品において、前記第１回転体に設けられ、前記第１回転体に入力される力に応じた信号を出力するセンサをさらに含み、前記第１回転体は、クランク軸に連結され、前記第２回転体は、前記ホイール部材に連結される。
上記第６側面に従えば、第１回転体においてトルクがクランク軸側から第２回転体側へ安定して伝達されるため、センサの検出精度が高まる。 The bicycle component according to the sixth aspect according to the third aspect further includes a sensor that is provided on the first rotating body and outputs a signal according to a force input to the first rotating body, and the first rotating body is connected to the crankshaft, and the second rotating body is connected to the wheel member.
According to the sixth aspect, torque is stably transmitted from the crankshaft side to the second rotary body in the first rotary body, thereby increasing the detection accuracy of the sensor.

本発明の第７側面に従う自転車用部品の一形態は、筒状に形成され、内周部に第１連結部を有する第１回転体、第２回転体、および、前記第１回転体と前記第２回転体との間に配置される係合体を含むワンウェイクラッチと、前記第１回転体に設けられ、前記第１回転体に入力される力に応じた信号を出力するセンサと、前記第１連結部に嵌合される第２連結部を外周部に有するクランク軸と、前記第１連結部と前記第２連結部との間に設けられる接着剤とを含む。
上記第７側面に従えば、接着剤によって第１連結部と第２連結部とが固定されるため、クランク軸から第１回転体にトルクが安定して伝達される。 One form of the bicycle component according to the seventh aspect of the present invention is formed in a cylindrical shape and includes a first rotating body, a second rotating body, and a second rotating body that is formed in a cylindrical shape and has a first connecting portion on an inner peripheral portion, and the first rotating body and the second rotating body. a one-way clutch including an engaging body disposed between the second rotating body; a sensor provided on the first rotating body and outputting a signal according to a force input to the first rotating body; The crankshaft includes a crankshaft having a second connecting part on the outer circumference that is fitted into the first connecting part, and an adhesive provided between the first connecting part and the second connecting part.
According to the seventh aspect, since the first connecting portion and the second connecting portion are fixed by the adhesive, torque is stably transmitted from the crankshaft to the first rotating body.

前記第４または第７側面に従う第８側面の自転車用部品において、前記接着剤は、エポキシ樹脂を含む。
上記第８側面に従えば、エポキシ樹脂を含む接着剤によって第１連結部と第２連結部とを好適に固定できる。 In the bicycle component of the eighth aspect according to the fourth or seventh aspect, the adhesive includes an epoxy resin.
According to the eighth aspect, the first connecting portion and the second connecting portion can be suitably fixed using an adhesive containing an epoxy resin.

本発明の第９側面に従う自転車用部品の一形態は、筒状に形成され、内周部に第１連結部を有する第１回転体、第２回転体、および、前記第１回転体と前記第２回転体との間に配置される係合体を含むワンウェイクラッチと、前記第１回転体に設けられ、前記第１回転体に入力される力に応じた信号を出力するセンサと、前記第１連結部に圧入される第２連結部を外周部に有するクランク軸とを含む。
上記第９側面に従えば、圧入によって第１連結部と第２連結部とが固定されるため、クランク軸から第１回転体にトルクが安定して伝達される。また、第１回転体においてトルクがクランク軸側から第２回転体側へ安定して伝達されるため、センサの検出精度が高まる。 One form of the bicycle component according to the ninth aspect of the present invention is formed in a cylindrical shape and includes a first rotating body and a second rotating body, each having a first connecting portion on an inner circumferential portion, and the first rotating body and the second rotating body. a one-way clutch including an engaging body disposed between the second rotating body; a sensor provided on the first rotating body and outputting a signal according to a force input to the first rotating body; and a crankshaft having a second connecting part on the outer periphery that is press-fitted into the first connecting part.
According to the ninth aspect, since the first connecting portion and the second connecting portion are fixed by press fitting, torque is stably transmitted from the crankshaft to the first rotating body. Further, since torque is stably transmitted from the crankshaft side to the second rotary body side in the first rotary body, the detection accuracy of the sensor is increased.

前記第７または第９側面に従う第１０側面の自転車用部品において、前記第１回転体は、前記クランク軸の軸方向における第１部分、第２部分、および、前記第１部分と前記第２部分との間の中間部を含み、前記第１部分は、前記クランク軸に連結され、前記第２部分は、前記係合体に連結され、前記中間部は、前記センサが設けられる部分に前記力を集中させるための調整部を含む。
上記第１０側面に従えば、調整部によってセンサが設けられる部分に、第１回転体に入力される力が集中するため、センサの検出精度が高まる。 In the bicycle component according to the tenth aspect according to the seventh or ninth aspect, the first rotating body includes a first portion, a second portion, and the first portion and the second portion in the axial direction of the crankshaft. the first part is connected to the crankshaft, the second part is connected to the engaging body, and the intermediate part applies the force to a part where the sensor is provided. Includes adjustment section for concentration.
According to the tenth aspect, the force input to the first rotary body is concentrated in the portion where the sensor is provided by the adjustment section, so that the detection accuracy of the sensor is increased.

前記第７または第９側面に従う第１１側面の自転車用部品において、前記第１回転体および前記第２回転体の一方は、爪部材を移動可能に支持し、前記第１回転体および前記第２回転体の他方は、前記爪部材と係合可能な溝部を有する。
上記第１１側面に従えば、爪部材と溝部とが係合することによって、クランク軸のトルクが第１回転体から第２回転体に好適に伝達される。このため、第１回転体においてトルクがクランク軸側から第２回転体側へ安定して伝達される。 In the bicycle component according to the eleventh aspect according to the seventh or ninth aspect, one of the first rotating body and the second rotating body movably supports a claw member, and the first rotating body and the second rotating body The other rotating body has a groove that can be engaged with the pawl member.
According to the eleventh aspect, the torque of the crankshaft is suitably transmitted from the first rotating body to the second rotating body by engaging the claw member and the groove. Therefore, torque is stably transmitted from the crankshaft side to the second rotary body in the first rotary body.

前記第１、第２、第６、および、第１１側面のいずれか１つに従う第１２側面の自転車用部品において、前記第１回転体は、前記クランク軸の軸方向における第１部分、第２部分、および、前記第１部分と前記第２部分との間の中間部を含み、前記第１部分は、前記クランク軸に連結され、前記第２部分は、前記爪部材に連結され、前記中間部は、前記センサが設けられる部分に前記力を集中させるための調整部を含む。
上記第１２側面に従えば、調整部によってセンサが設けられる部分に、第１回転体に入力される力が集中するため、センサの検出精度が高まる。 In the bicycle component according to the twelfth aspect according to any one of the first, second, sixth, and eleventh aspects, the first rotating body includes a first portion in the axial direction of the crankshaft, a second portion in the axial direction of the crankshaft; and an intermediate portion between the first portion and the second portion, wherein the first portion is connected to the crankshaft, the second portion is connected to the pawl member, and the intermediate portion is connected to the crankshaft. The section includes an adjustment section for concentrating the force on the section where the sensor is provided.
According to the twelfth aspect, the force input to the first rotating body is concentrated in the portion where the sensor is provided by the adjustment section, so that the detection accuracy of the sensor is increased.

前記第１、第２、第６、および、第１１側面のいずれか１つに従う第１３側面の自転車用部品において、前記センサは、前記第１回転体の回転軸線に平行な方向において、前記爪部材と並んで設けられる。
上記第１３側面に従えば、第１回転体の周方向において第１回転体のうちの爪部材と溝部とが係合する場合に最も力がかかる位置にセンサが配置されるため、センサの検出精度が高まる。 In the bicycle component according to the thirteenth aspect according to any one of the first, second, sixth, and eleventh aspects, the sensor is arranged in a direction parallel to the axis of rotation of the first rotating body. installed alongside the member.
According to the thirteenth aspect, the sensor is disposed at the position where the most force is applied when the claw member of the first rotary body and the groove engage with each other in the circumferential direction of the first rotary body. Increases accuracy.

前記第１３側面に従う第１４側面の自転車用部品において、前記爪部材は、回転軸線を含む基部と、前記基部と一体に形成され、前記溝部に係合可能な爪部とを含み、前記センサは、前記第１回転体の周方向において前記基部と実質的に等しい位相に設けられる。
上記第１４側面に従えば、第１回転体の周方向において第１回転体のうちの爪部材と溝部とが係合する場合に最も力がかかる基部と実質的に同じ位相にセンサが配置されるため、センサの検出精度が高まる。 In the bicycle component according to the fourteenth aspect according to the thirteenth aspect, the claw member includes a base including a rotation axis and a claw that is formed integrally with the base and can be engaged with the groove, and the sensor is , provided in substantially the same phase as the base in the circumferential direction of the first rotating body.
According to the fourteenth aspect, the sensor is arranged in substantially the same phase as the base portion to which the greatest force is applied when the claw member and the groove portion of the first rotary body engage in the circumferential direction of the first rotary body. This increases the detection accuracy of the sensor.

前記第１～第６および第１０～第１４側面のいずれか１つに従う第１５側面の自転車用部品において、前記爪部材は、第１爪部材および第２爪部材を含み、前記第１爪部材および前記第２爪部材は、前記第１回転体の周方向において互いに１８０度異なる位置に設けられる。
上記第１５側面に従えば、第１爪部材および第２爪部材が第１回転体の周方向において互いに最も離れた位置に配置されるため、第１回転体から第２回転体に安定してトルクが伝達される。 In the bicycle component according to the fifteenth aspect according to any one of the first to sixth and tenth to fourteenth aspects, the pawl member includes a first pawl member and a second pawl member, and the first pawl member The second claw members are provided at positions 180 degrees different from each other in the circumferential direction of the first rotating body.
According to the fifteenth aspect, the first claw member and the second claw member are arranged at the farthest positions from each other in the circumferential direction of the first rotating body, so that the first rotating body can be stably transferred from the second rotating body. Torque is transmitted.

前記第１、第２、第６、および、第１０～第１４側面のいずれか１つに従う第１６側面の自転車用部品において、前記爪部材は、第１爪部材および第２爪部材を含み、前記センサは、第１センサおよび第２センサを含み、前記第１爪部材および前記第２爪部材は、前記第１回転体の周方向において互いに１８０度異なる位置に設けられ、前記第１センサおよび前記第２センサは、前記第１回転体の周方向において互いに１８０度異なる位置に設けられ、前記第１センサは、前記第１回転体の回転軸線に平行な方向において、前記第１爪部材と並んで設けられ、前記第２センサは、前記第１回転体の回転軸線に平行な方向において、前記第２爪部材と並んで設けられる。
上記第１６側面に従えば、第１回転体の周方向において第１回転体のうちの第１爪部材と溝部とが係合する場合に最も力がかかる位置に第１センサが配置されるため、第１センサの検出精度が高まる。第１回転体の周方向において第１回転体のうちの第２爪部材と溝部とが係合する場合に最も力がかかる位置に第２センサが配置されるため、第２センサの検出精度が高まる。 In the bicycle component of the sixteenth aspect according to any one of the first, second, sixth, and tenth to fourteenth aspects, the pawl member includes a first pawl member and a second pawl member, The sensor includes a first sensor and a second sensor, the first claw member and the second claw member are provided at positions 180 degrees different from each other in the circumferential direction of the first rotating body, and the first sensor and The second sensors are provided at positions 180 degrees different from each other in the circumferential direction of the first rotating body, and the first sensor and the first claw member are arranged in a direction parallel to the axis of rotation of the first rotating body. The second sensor is provided in parallel with the second claw member in a direction parallel to the rotational axis of the first rotating body.
According to the sixteenth aspect, the first sensor is disposed at a position where the most force is applied when the first claw member of the first rotating body and the groove engage in the circumferential direction of the first rotating body. , the detection accuracy of the first sensor is increased. Since the second sensor is arranged at the position where the most force is applied when the second pawl member of the first rotary body and the groove engage in the circumferential direction of the first rotary body, the detection accuracy of the second sensor is improved. It increases.

本発明の第１７側面に従う自転車用部品の一形態は、クランク軸に連結される第１回転体、第２回転体、および、前記第１回転体と前記第２回転体との間に配置される係合体を含むワンウェイクラッチと、前記第１回転体に設けられ、前記第１回転体に入力される力に応じた信号を出力するセンサと、を含み、前記第１回転体は、前記クランク軸の軸方向における第１部分、第２部分、および、前記第１部分と前記第２部分との間の中間部を含み、前記第１部分は、前記クランク軸に連結され、前記第２部分は、前記係合体に連結され、前記中間部は、前記センサが設けられる部分に前記力を集中させるための調整部を含む。
上記第１７側面に従えば、調整部によってセンサが設けられる部分に、第１回転体に入力される力が集中するため、センサの検出精度が高まる。 One form of the bicycle component according to the seventeenth aspect of the present invention includes a first rotating body connected to a crankshaft, a second rotating body, and a bicycle component disposed between the first rotating body and the second rotating body. a one-way clutch including an engaging body that is connected to the crank; and a sensor that is provided on the first rotating body and outputs a signal according to a force input to the first rotating body, and the first rotating body is connected to the crank. The first part includes a first part, a second part, and an intermediate part between the first part and the second part in the axial direction of the shaft, the first part being connected to the crankshaft, and the second part being connected to the crankshaft. is connected to the engaging body, and the intermediate portion includes an adjustment portion for concentrating the force on a portion where the sensor is provided.
According to the seventeenth aspect, the force input to the first rotating body is concentrated in the portion where the sensor is provided by the adjustment section, so that the detection accuracy of the sensor is increased.

前記第１０、第１２、および、第１７側面のいずれか１つに従う第１８側面の自転車用部品において、前記調整部は、第１調整部および第２調整部を含み、前記第１調整部および前記第２調整部は、前記第１回転体の周方向において前記センサを挟む位置に配置される。
上記第１８側面に従えば、第１調整部および第２調整部が第１回転体の周方向においてセンサを挟むことによって、センサが設けられる部分に好適に、第１回転体に入力される力を集中させることができる。 In the bicycle component of the eighteenth aspect according to any one of the tenth, twelfth, and seventeenth aspects, the adjustment section includes a first adjustment section and a second adjustment section, and the first adjustment section and the second adjustment section. The second adjustment section is arranged at a position sandwiching the sensor in the circumferential direction of the first rotating body.
According to the eighteenth aspect, the first adjustment section and the second adjustment section sandwich the sensor in the circumferential direction of the first rotating body, so that the force input to the first rotating body is preferably applied to the portion where the sensor is provided. can be concentrated.

前記第１０、第１２、第１７、および、第１８側面のいずれか１つに従う第１９側面の自転車用部品において、前記調整部は、溝および孔の少なくともいずれか１つを含む。
上記第１９側面に従えば、溝および孔の少なくとも１つによって簡便な構造でセンサが設けられる部分に、第１回転体に入力される力を集中させることができる。 In the bicycle component of the nineteenth aspect according to any one of the tenth, twelfth, seventeenth, and eighteenth aspects, the adjustment portion includes at least one of a groove and a hole.
According to the nineteenth aspect, the force input to the first rotating body can be concentrated on the portion where the sensor is provided with a simple structure by at least one of the groove and the hole.

前記第１、第２、第６、第７、第９～第１４、および、第１７～第１９のいずれか１つに従う第２０側面の自転車用部品において、前記第１回転体は、前記センサが設けられる平面部をさらに含む。
上記第２０側面に従えば、平面部にセンサを安定して設けることができる。 In the 20th aspect of the bicycle component according to any one of the first, second, sixth, seventh, ninth to fourteenth, and seventeenth to nineteenth aspects, the first rotating body is connected to the sensor. It further includes a plane portion provided with.
According to the 20th aspect, the sensor can be stably provided on the flat surface.

前記第１、第２、第６、第７、第９～第１４、および、第１７～第２０側面のいずれか１つに従う第２１側面の自転車用部品において、前記センサは、第１センサおよび第２センサを含み、前記第１センサおよび前記第２センサは、前記第１回転体の周方向において互いに１８０度異なる位置に設けられる。
上記第２１側面に従えば、第１センサおよび第２センサが第１回転体の周方向において互いに最も離れた位置に配置されるため、第１センサおよび第２センサの出力によって第１回転体にかかる力を精度よく検出できる。 In the bicycle component of the 21st aspect according to any one of the first, second, sixth, seventh, ninth to fourteenth, and seventeenth to 20th aspects, the sensor includes a first sensor and A second sensor is included, and the first sensor and the second sensor are provided at positions 180 degrees different from each other in the circumferential direction of the first rotating body.
According to the twenty-first aspect, the first sensor and the second sensor are disposed at the farthest positions from each other in the circumferential direction of the first rotating body, so that the outputs of the first sensor and the second sensor cause the first rotating body to The applied force can be detected with high accuracy.

前記第１～第２１側面のいずれか１つに従う第２２側面の自転車用部品において、前記第２回転体は、自転車の推進をアシストするモータの出力軸に連結される。
上記第２２側面に従えば、自転車の推進をアシストするモータを有するドライブユニットにおいて、好適にトルクが伝達される。 In the bicycle component according to the twenty-second aspect according to any one of the first to twenty-first aspects, the second rotating body is connected to an output shaft of a motor that assists in propulsion of the bicycle.
According to the twenty-second aspect, torque is suitably transmitted in a drive unit having a motor that assists in propulsion of a bicycle.

本発明の第２３側面に従う自転車用部品の一形態は、クランク軸を支持するハウジングと、前記ハウジングに設けられ、前記クランク軸から入力される人力駆動力を出力する出力部と、前記ハウジングに設けられ、前記出力部に自転車の推進をアシストするためのトルクを付与するモータと、前記クランク軸から前記出力部までの人力駆動力の伝達経路、および、前記モータの出力軸から前記出力部までのモータ駆動力の伝達経路の少なくとも一方に設けられるワンウェイクラッチとを含み、前記ワンウェイクラッチは、爪部材、前記爪部材を移動可能に支持する第１回転体、および、前記爪部材と係合可能な溝部を有する第２回転体を含み、前記溝部は、前記爪部材と係合可能な係合面、および、前記溝部の底を形成する底面を含み、前記爪部材および前記溝部は、前記爪部材と前記底面とが接触しないように形成される。
上記第２３側面に従えば、爪部材と溝部とが係合することによって、第１回転体から第２回転体に好適に伝達される。さらに第１回転体と第２回転体とが相対回転する場合に、爪部材と底面とが接触しないので、騒音が低減される。 One form of the bicycle component according to the twenty-third aspect of the present invention includes a housing that supports a crankshaft, an output section that is provided on the housing and outputs a human power driving force input from the crankshaft, and an output section that is provided on the housing and outputs a human power driving force input from the crankshaft. a motor that applies torque to the output section to assist in propulsion of the bicycle; a transmission path for human power driving force from the crankshaft to the output section; and a transmission path from the output shaft of the motor to the output section. a one-way clutch provided on at least one of the transmission paths of the motor driving force, the one-way clutch including a pawl member, a first rotating body that movably supports the pawl member, and a first rotating body that is engageable with the pawl member. a second rotating body having a groove, the groove includes an engagement surface that can be engaged with the pawl member, and a bottom surface forming a bottom of the groove, and the pawl member and the groove are connected to the pawl member. and the bottom surface are formed so as not to be in contact with each other.
According to the twenty-third aspect, the engagement between the claw member and the groove allows the transmission from the first rotating body to the second rotating body. Furthermore, when the first rotating body and the second rotating body rotate relative to each other, the claw members and the bottom surface do not come into contact with each other, so that noise is reduced.

本発明の自転車用部品は、好適にトルクが伝達される。 The bicycle component of the present invention allows torque to be suitably transmitted.

第１実施形態の自転車用部品を含む自転車の側面図。FIG. 1 is a side view of a bicycle including the bicycle parts of the first embodiment. 図１の自転車用部品の側面図。FIG. 2 is a side view of the bicycle component shown in FIG. 1; 図２のIII－III線に沿う断面図。A cross-sectional view taken along line III-III in FIG. 2. 図３のクランク軸近傍の拡大図。FIG. 4 is an enlarged view of the vicinity of the crankshaft in FIG. 3. 図４の第１連結部と第２連結部とを示す断面図。FIG. 5 is a sectional view showing the first connecting portion and the second connecting portion in FIG. 4; 図５の一部を拡大して示す断面図。FIG. 6 is an enlarged cross-sectional view of a part of FIG. 5; 図４のVII－VII線に沿う断面図。A cross-sectional view taken along line VII-VII in FIG. 4. 図７の一部を拡大して示す断面図。FIG. 8 is an enlarged cross-sectional view of a part of FIG. 7; 図８の第２回転体が第２方向に回転した状態を示す断面図。FIG. 9 is a sectional view showing a state in which the second rotating body of FIG. 8 is rotated in a second direction. 図９の第２回転体が第２方向に回転した状態を示す断面図。FIG. 10 is a sectional view showing a state in which the second rotating body of FIG. 9 is rotated in a second direction. 図４の第１回転体およびセンサの示す斜視図。FIG. 5 is a perspective view of the first rotating body and sensor of FIG. 4; 図１１の第１回転体およびセンサの平面図。FIG. 12 is a plan view of the first rotating body and sensor in FIG. 11; 図３のクランク軸近傍の斜視図。FIG. 4 is a perspective view of the vicinity of the crankshaft in FIG. 3; 第２実施形態の第１回転体およびセンサの示す斜視図。FIG. 7 is a perspective view of a first rotating body and a sensor according to a second embodiment. 図１４のXV－XV線に沿う断面図。A cross-sectional view taken along the XV-XV line in FIG. 14. 第２実施形態の第１変形例のクランク軸近傍の斜視図。FIG. 7 is a perspective view of the vicinity of the crankshaft of the first modification of the second embodiment. 第２変形例の第１連結部と第２連結部とを示す断面図。FIG. 7 is a cross-sectional view showing a first connecting portion and a second connecting portion of a second modification. 第３変形例の第１連結部と第２連結部とを示す断面図。A sectional view showing a first connecting part and a second connecting part of a third modification. 第４変形例の自転車用部品の断面図。FIG. 4 is a sectional view of a bicycle component according to a fourth modification.

（第１実施形態）
図１～１３を参照して、第１実施形態の自転車用部品４０を含む自転車１０について説明する。自転車１０は、マウンテンバイクであってもよく、ロードバイクであってもよく、シティバイクであってもよい。 (First embodiment)
A bicycle 10 including a bicycle component 40 according to a first embodiment will be described with reference to FIGS. 1 to 13. Bicycle 10 may be a mountain bike, a road bike, or a city bike.

図１に示されるとおり、自転車１０は、自転車本体１２、車輪１４、駆動機構１６、バッテリ１８、および、自転車用部品４０を含む。
自転車本体１２は、フレーム２２、フレーム２２に接続されるフロントフォーク２４、および、フロントフォーク２４にステム２６Ａを介して着脱可能に接続されるハンドルバー２６Ｂを備えている。フロントフォーク２４は、フレーム２２に支持される。 As shown in FIG. 1, the bicycle 10 includes a bicycle body 12, wheels 14, a drive mechanism 16, a battery 18, and bicycle parts 40.
The bicycle body 12 includes a frame 22, a front fork 24 connected to the frame 22, and a handlebar 26B detachably connected to the front fork 24 via a stem 26A. The front fork 24 is supported by the frame 22.

車輪１４は、前輪２８および後輪３０を含む。前輪２８の車軸２８Ａは、フロントフォーク２４の端部に接続される。後輪３０の車軸３０Ａは、フレーム２２のリアエンド２２Ａに接続される。 Wheels 14 include a front wheel 28 and a rear wheel 30. An axle 28A of the front wheel 28 is connected to an end of the front fork 24. An axle 30A of the rear wheel 30 is connected to a rear end 22A of the frame 22.

駆動機構１６は、クランク３２およびペダル３４を含む。クランク３２は、クランク軸４６およびクランクアーム３２Ａを含む。駆動機構１６は、ペダル３４に加えられた人力駆動力を後輪３０に伝達する。駆動機構１６は、ホイール部材３６を含む。ホイール部材３６は、車輪１４の回転軸とは異なる回転軸まわりに回転可能に構成される。ホイール部材３６は、自転車用部品４０の出力部５２（図２参照）に結合される。ホイール部材３６は、スプロケット、プーリー、または、ベベルギアを含む。駆動機構１６は、例えば、チェーン、ベルト、またはシャフトを介して、クランク３２の回転を後輪３０に結合されるリア回転体３８に伝達するように構成される。リア回転体３８は、スプロケット、プーリーまたはベベルギアを含む。リア回転体３８と後輪３０との間には、ワンウェイクラッチ（図示略）が設けられている。ワンウェイクラッチは、リア回転体３８が前転した場合に、後輪３０を前転させ、後輪３０が後転した場合に、リア回転体３８を後転させないように構成される。ホイール部材３６は、複数のフロントスプロケットを含んでもよい。リア回転体３８は、複数のリアスプロケットを含んでいてもよい。 Drive mechanism 16 includes a crank 32 and pedals 34. Crank 32 includes a crankshaft 46 and a crank arm 32A. The drive mechanism 16 transmits the human power driving force applied to the pedals 34 to the rear wheels 30. Drive mechanism 16 includes a wheel member 36. The wheel member 36 is configured to be rotatable around a rotation axis different from the rotation axis of the wheel 14. Wheel member 36 is coupled to output portion 52 (see FIG. 2) of bicycle component 40. Wheel member 36 includes a sprocket, pulley, or bevel gear. The drive mechanism 16 is configured to transmit the rotation of the crank 32 to a rear rotating body 38 coupled to the rear wheel 30, for example, via a chain, a belt, or a shaft. Rear rotating body 38 includes a sprocket, a pulley, or a bevel gear. A one-way clutch (not shown) is provided between the rear rotating body 38 and the rear wheel 30. The one-way clutch is configured to cause the rear wheel 30 to rotate forward when the rear rotating body 38 rotates forward, and to prevent the rear rotating body 38 from rotating backward when the rear wheel 30 rotates backward. Wheel member 36 may include multiple front sprockets. The rear rotating body 38 may include a plurality of rear sprockets.

バッテリ１８は、１または複数のバッテリセルを含むバッテリユニット１８Ａ、および、バッテリユニット１８Ａを支持するバッテリホルダ１８Ｂを含む。バッテリセルは、充電池を含む。バッテリ１８は、自転車１０に搭載され、バッテリ１８と有線で電気的に接続されている他の電機部品、例えば、自転車用部品４０に電力を供給する。バッテリ１８は、フレーム２２の外部に取り付けられてもよく、少なくとも一部がフレーム２２の内部に収容されてもよい。 Battery 18 includes a battery unit 18A that includes one or more battery cells, and a battery holder 18B that supports battery unit 18A. The battery cell includes a rechargeable battery. The battery 18 is mounted on the bicycle 10 and supplies power to other electrical parts, such as bicycle parts 40, which are electrically connected to the battery 18 by wire. Battery 18 may be attached to the outside of frame 22 or may be at least partially housed inside frame 22.

図１～図３に示されるとおり、自転車用部品４０は、自転車１０に取り付けられる。一例では、自転車用部品４０は、ワンウェイクラッチ４２を含む。一例では、自転車用部品４０は、ワンウェイクラッチ４２と、センサ４４とを含む。一例では、自転車用部品４０は、ワンウェイクラッチ４２、センサ４４、クランク軸４６、および、接着剤４８を含む。一例では、自転車用部品４０は、ワンウェイクラッチ４２、センサ４４、および、クランク軸４６を含む。一例では、自転車用部品４０は、ハウジング５０と、出力部５２と、モータ５４と、ワンウェイクラッチ４２とを含む。自転車用部品４０は、制御部５６、減速機５８、第１軸受６０Ａ、第２軸受６０Ｂ、第３軸受６０Ｃ、第４軸受６０Ｄ、および、クラッチ６２をさらに含む。図３に示す自転車用部品４０は、自転車用ドライブユニットとして機能する。クランク軸４６は、中空軸によって形成されることが好ましい。 As shown in FIGS. 1-3, bicycle component 40 is attached to bicycle 10. As shown in FIGS. In one example, bicycle component 40 includes a one-way clutch 42 . In one example, bicycle component 40 includes a one-way clutch 42 and a sensor 44. In one example, bicycle component 40 includes a one-way clutch 42, a sensor 44, a crankshaft 46, and an adhesive 48. In one example, bicycle component 40 includes a one-way clutch 42, a sensor 44, and a crankshaft 46. In one example, bicycle component 40 includes a housing 50, an output section 52, a motor 54, and a one-way clutch 42. Bicycle component 40 further includes a control section 56, a speed reducer 58, a first bearing 60A, a second bearing 60B, a third bearing 60C, a fourth bearing 60D, and a clutch 62. The bicycle component 40 shown in FIG. 3 functions as a bicycle drive unit. Preferably, the crankshaft 46 is formed by a hollow shaft.

図３に示されるとおり、ハウジング５０は、ワンウェイクラッチ４２、センサ４４、クランク軸４６の一部、出力部５２の一部、モータ５４の少なくとも一部、制御部５６、減速機５８、軸受６０Ａ～６０Ｄ、および、クラッチ６２を収容する。図２に示されるとおり、ハウジング５０の外周部には、自転車用部品４０をフレーム２２に取り付けるための取付部５０Ａが設けられる。 As shown in FIG. 3, the housing 50 includes the one-way clutch 42, the sensor 44, a portion of the crankshaft 46, a portion of the output section 52, at least a portion of the motor 54, the control section 56, the reducer 58, and the bearings 60A to 60A. 60D and the clutch 62 are accommodated therein. As shown in FIG. 2, an attachment portion 50A for attaching the bicycle component 40 to the frame 22 is provided on the outer periphery of the housing 50.

図３に示されるとおり、ハウジング５０には、クランク軸４６が挿入される第１孔５０Ｂおよび第２孔５０Ｃが設けられる。ハウジング５０は、クランク軸４６を支持する。ハウジング５０は、クランク軸４６の軸方向の両端部がハウジング５０から外部に露出するように、クランク軸４６を支持する。ハウジング５０の第１孔５０Ｂには第１軸受６０Ａが設けられる。第１軸受６０Ａは、クランク軸４６の軸方向の一方の端部の近傍を回転可能に支持する。出力部５２は、クランク軸４６と同軸を有する。出力部５２は、クランク軸４６の軸方向の他方の端部の近傍の外周部を覆う。クランク軸４６と出力部５２とは、ワンウェイクラッチ４２を介して接続される。ハウジング５０は、出力部５２を支持する。具体的には、ハウジング５０の第２孔５０Ｃに設けられる第２軸受６０Ｂが出力部５２を回転可能に支持する。出力部５２とクランク軸４６との間には、すべり軸受６１が設けられる。すべり軸受６１は、出力部５２をクランク軸４６に対して回転可能に支持する。すべり軸受６１は、ニードルベアリングを含む。 As shown in FIG. 3, the housing 50 is provided with a first hole 50B and a second hole 50C into which the crankshaft 46 is inserted. Housing 50 supports crankshaft 46. The housing 50 supports the crankshaft 46 such that both ends of the crankshaft 46 in the axial direction are exposed to the outside from the housing 50. A first bearing 60A is provided in the first hole 50B of the housing 50. The first bearing 60A rotatably supports the vicinity of one end of the crankshaft 46 in the axial direction. The output section 52 has the same axis as the crankshaft 46. The output portion 52 covers the outer peripheral portion of the crankshaft 46 near the other end in the axial direction. The crankshaft 46 and the output section 52 are connected via the one-way clutch 42. Housing 50 supports output section 52 . Specifically, the second bearing 60B provided in the second hole 50C of the housing 50 rotatably supports the output section 52. A sliding bearing 61 is provided between the output section 52 and the crankshaft 46. The slide bearing 61 rotatably supports the output section 52 with respect to the crankshaft 46 . The sliding bearing 61 includes a needle bearing.

モータ５４は、ハウジング５０に設けられる。モータ５４は、自転車１０の推進をアシストする。モータ５４は、出力部５２に自転車１０の推進をアシストするためのトルクを付与する。モータ５４は、電気モータを含む。モータ５４は、いわゆるブラシレスモータを含む。モータ５４は、図１のペダル３４から後輪３０までの人力駆動力の伝達経路に回転を伝達するように設けられる。モータ５４は、クランク軸４６からホイール部材３６までの人力駆動力の伝達経路に結合される。図１に示す制御部５６は、基板および駆動回路を含む。駆動回路は、インバータ回路を含み、図１のバッテリ１８からモータ５４に供給される電力を制御する。制御部５６は、予め定められる制御プログラムを実行する演算処理装置を含む。演算処理装置は、例えばＣＰＵ（Central Processing Unit）またはＭＰＵ（Micro Processing Unit）を含む。制御部５６は、１または複数のマイクロコンピュータを含んでいてもよい。制御部５６は、さらにタイマを含む。一例では、制御部５６は、記憶部をさらに含む。記憶部には、各種の制御プログラムおよび各種の制御処理に用いられる情報が記憶される。記憶部は、例えば不揮発性メモリおよび揮発性メモリを含む。 A motor 54 is provided in the housing 50. Motor 54 assists in propelling bicycle 10. The motor 54 applies torque to the output section 52 to assist in propulsion of the bicycle 10. Motor 54 includes an electric motor. The motor 54 includes a so-called brushless motor. The motor 54 is provided to transmit rotation to a transmission path of human power driving force from the pedal 34 to the rear wheel 30 in FIG. The motor 54 is coupled to a human power transmission path from the crankshaft 46 to the wheel member 36. The control unit 56 shown in FIG. 1 includes a substrate and a drive circuit. The drive circuit includes an inverter circuit and controls the power supplied to the motor 54 from the battery 18 in FIG. The control unit 56 includes an arithmetic processing unit that executes a predetermined control program. The arithmetic processing device includes, for example, a CPU (Central Processing Unit) or an MPU (Micro Processing Unit). The control unit 56 may include one or more microcomputers. Control unit 56 further includes a timer. In one example, the control unit 56 further includes a storage unit. The storage unit stores various control programs and information used for various control processes. The storage unit includes, for example, nonvolatile memory and volatile memory.

減速機５８は、第１回転軸６４、および、第２回転軸６５を含む。第１回転軸６４は、一対の第３軸受６０Ｃによってハウジング５０に対して回転可能に支持される。第２回転軸６５は、一対の第４軸受６０Ｄによってハウジング５０に対して回転可能に支持される。第１回転軸６４には、第１ギア６４Ａおよび第２ギア６４Ｂが設けられる。第２回転軸６５には、第３ギア６５Ａおよび第４ギア６５Ｂが設けられる。第１ギア６４Ａは、モータ５４の出力軸５４Ａに設けられるギア５４Ｂと噛み合う。第２ギア６４Ｂは、第２回転軸６５に設けられる第３ギア６５Ａに噛み合う。第４ギア６５Ｂは、出力部５２の外周部に設けられるギア５２Ａに噛み合う。モータ５４の回転は、出力軸５４Ａのギア５４Ｂから第１ギア６４Ａへの伝達時、第２ギア６４Ｂから第３ギア６５Ａへの伝達時、および、第４ギア６５Ｂから出力部５２のギア５２Ａへの伝達時の３段階において減速されて出力部５２に出力される。減速機５８は、平行軸の歯車以外の減速機構を含んでもよい。例えば、減速機５８は、遊星歯車機構、ウォームギア、ヘリカルギア、または、ローラ減速機を含んでもよく、複数の種類の減速機構を組み合わせてもよい。 Reducer 58 includes a first rotating shaft 64 and a second rotating shaft 65. The first rotating shaft 64 is rotatably supported with respect to the housing 50 by a pair of third bearings 60C. The second rotating shaft 65 is rotatably supported with respect to the housing 50 by a pair of fourth bearings 60D. The first rotating shaft 64 is provided with a first gear 64A and a second gear 64B. The second rotating shaft 65 is provided with a third gear 65A and a fourth gear 65B. The first gear 64A meshes with a gear 54B provided on the output shaft 54A of the motor 54. The second gear 64B meshes with a third gear 65A provided on the second rotating shaft 65. The fourth gear 65B meshes with a gear 52A provided on the outer periphery of the output section 52. The rotation of the motor 54 is transmitted from the gear 54B of the output shaft 54A to the first gear 64A, from the second gear 64B to the third gear 65A, and from the fourth gear 65B to the gear 52A of the output section 52. The signal is decelerated in three stages during transmission and is output to the output section 52. The speed reducer 58 may include speed reduction mechanisms other than parallel shaft gears. For example, the speed reducer 58 may include a planetary gear mechanism, a worm gear, a helical gear, or a roller speed reducer, or may combine multiple types of speed reducers.

クラッチ６２は、モータ５４の出力軸５４Ａから出力部５２までのモータ駆動力の伝達経路に設けられる。クラッチ６２は、ワンウェイクラッチを含む。例えば、クラッチ６２は、第１回転軸６４と第１ギア６４Ａとの間に設けられる。クラッチ６２は、第１ギア６４Ａの一方向の回転を第１回転軸６４に伝達し、第１ギア６４Ａの他方向の回転を第１回転軸６４に伝達しない。クラッチ６２は、モータ５４が自転車１０の推進をアシストする場合に、モータ５４の回転を伝達し、人力駆動力によってモータ５４の出力軸５４Ａが回転することを阻止するように構成される。クラッチ６２は、例えば、ローラクラッチを含む。第３ギア６５Ａと第２回転軸６５との間、または第４ギア６５Ｂと第２回転軸６５との間に、クラッチ６２と同様のクラッチ６３が設けられていてもよい。この場合、クラッチ６２を省略してもよい。 The clutch 62 is provided in a transmission path for motor driving force from the output shaft 54A of the motor 54 to the output section 52. Clutch 62 includes a one-way clutch. For example, the clutch 62 is provided between the first rotating shaft 64 and the first gear 64A. The clutch 62 transmits the rotation of the first gear 64A in one direction to the first rotating shaft 64, and does not transmit the rotation of the first gear 64A in the other direction to the first rotating shaft 64. The clutch 62 is configured to transmit the rotation of the motor 54 and prevent the output shaft 54A of the motor 54 from rotating due to human driving force when the motor 54 assists in propulsion of the bicycle 10. Clutch 62 includes, for example, a roller clutch. A clutch 63 similar to the clutch 62 may be provided between the third gear 65A and the second rotating shaft 65 or between the fourth gear 65B and the second rotating shaft 65. In this case, the clutch 62 may be omitted.

図４に示されるとおり、ワンウェイクラッチ４２は、クランク軸４６から出力部５２までの人力駆動力の伝達経路に設けられる。ワンウェイクラッチ４２は、爪部材６６、第１回転体６８、および、第２回転体７０を含む。ワンウェイクラッチ４２は、付勢部材７２をさらに含む。爪部材６６は、第１回転体６８と第２回転体７０との間に配置される。爪部材６６は、第１回転体６８と第２回転体７０との間に配置される係合体の一例である。第１回転体６８、第２回転体７０は、金属によって形成されることが好ましい。 As shown in FIG. 4, the one-way clutch 42 is provided in a transmission path of human power driving force from the crankshaft 46 to the output section 52. One-way clutch 42 includes a pawl member 66, a first rotating body 68, and a second rotating body 70. One-way clutch 42 further includes a biasing member 72. The claw member 66 is arranged between the first rotating body 68 and the second rotating body 70. The claw member 66 is an example of an engaging body disposed between the first rotating body 68 and the second rotating body 70. The first rotating body 68 and the second rotating body 70 are preferably formed of metal.

第１回転体６８は、筒状に形成される。第１回転体６８は、爪部材６６を移動可能に支持する。図５に示されるとおり、第１回転体６８は、クランク軸４６に連結される。第１回転体６８は、クランク軸４６の軸方向における第１部分６８Ａ、第２部分６８Ｂ、および、第１部分６８Ａと第２部分６８Ｂとの間の中間部６８Ｃを含む。第１部分６８Ａは、クランク軸４６に連結される。第１回転体６８は、内周部に第１連結部６８Ｄを有する。第１連結部６８Ｄは、第１部分６８Ａの内周部に設けられる。クランク軸４６は、第１連結部６８Ｄに嵌合される第２連結部４６Ａを外周部に有する。第１連結部６８Ｄは、雌スプラインを含む。第２連結部４６Ａは雄スプラインを含む。第２部分６８Ｂは、係合体に連結される。第２部分６８Ｂの外周部には、爪部材６６が配置される凹部６８Ｅが設けられる。第２部分６８Ｂと、クランク軸４６との間には、支持部材６７が設けられていてもよい。爪部材６６は、金属によって形成されることが好ましい。支持部材６７は、例えばスリーブまたはニードルベアリングを含む。 The first rotating body 68 is formed into a cylindrical shape. The first rotating body 68 movably supports the claw member 66. As shown in FIG. 5, the first rotating body 68 is connected to the crankshaft 46. The first rotating body 68 includes a first portion 68A, a second portion 68B, and an intermediate portion 68C between the first portion 68A and the second portion 68B in the axial direction of the crankshaft 46. The first portion 68A is connected to the crankshaft 46. The first rotating body 68 has a first connecting portion 68D on its inner circumference. The first connecting portion 68D is provided at the inner peripheral portion of the first portion 68A. The crankshaft 46 has a second connecting portion 46A on its outer circumference that is fitted into the first connecting portion 68D. The first connecting portion 68D includes a female spline. The second connecting portion 46A includes a male spline. The second portion 68B is connected to the engagement body. A recess 68E in which the claw member 66 is disposed is provided on the outer periphery of the second portion 68B. A support member 67 may be provided between the second portion 68B and the crankshaft 46. It is preferable that the claw member 66 is made of metal. Support member 67 includes, for example, a sleeve or a needle bearing.

図６に示されるとおり、接着剤４８は、第１連結部６８Ｄと第２連結部４６Ａとの間に設けられる。例えば、第２連結部４６Ａおよび第１連結部６８Ｄの少なくとも一方に接着剤４８を塗布した後、第２連結部４６Ａの雄スプラインと第１連結部６８Ｄの雌スプラインとを嵌合させる。一例では、接着剤４８は、エポキシ樹脂を含む。一例では、接着剤４８は、２液混合型の接着剤を含む。第２連結部４６Ａの雄スプラインと第１連結部６８Ｄの雌スプラインとは、第２連結部４６Ａおよび第１連結部６８Ｄの周方向の一部にのみ形成されていてもよいが、全周にわたって形成されていることが好ましい。第２連結部４６Ａの雄スプラインを形成する複数の凹凸の一部の形状と、第１連結部６８Ｄの雌スプラインを形成する複数の凹凸の一部の形状とを、他の部分の形状と異ならせてもよい。例えば第２連結部４６Ａの雄スプラインを形成する複数の凹凸の一部の幅と、第１連結部６８Ｄの雌スプラインを形成する複数の凹凸の一部の幅とを、他の部分の幅と異ならせてもよい。各スプラインのうちの凹凸の形状が他の部分と異なる部分を合わせて、第１連結部６８Ｄと第２連結部４６Ａとを連結することで、クランク軸４６と第１回転体６８とを所定の位相で組み立てることができる。凹凸の形状が異なる部分は、たとえばクランク軸４６の周方向において、１８０°離れた位置に形成される。クランク軸４６は、金属によって形成されることが好ましい。 As shown in FIG. 6, the adhesive 48 is provided between the first connecting portion 68D and the second connecting portion 46A. For example, after applying the adhesive 48 to at least one of the second connecting portion 46A and the first connecting portion 68D, the male spline of the second connecting portion 46A and the female spline of the first connecting portion 68D are fitted together. In one example, adhesive 48 includes epoxy resin. In one example, adhesive 48 includes a two-part adhesive. The male spline of the second connecting part 46A and the female spline of the first connecting part 68D may be formed only in a part of the circumferential direction of the second connecting part 46A and the first connecting part 68D, but they may be formed over the entire circumference. It is preferable that it is formed. The shape of a part of the plurality of irregularities forming the male spline of the second connecting part 46A and the shape of a part of the plurality of irregularities forming the female spline of the first connecting part 68D are different from the shape of other parts. You can also let For example, the width of a part of the plurality of unevenness forming the male spline of the second connecting part 46A and the width of a part of the plurality of unevenness forming the female spline of the first connecting part 68D are set to the width of the other part. It may be different. By connecting the first connecting portion 68D and the second connecting portion 46A together with the portions of each spline in which the uneven shape is different from other portions, the crankshaft 46 and the first rotating body 68 are connected to a predetermined position. Can be assembled in phases. The portions having different concave and convex shapes are formed, for example, at positions 180° apart in the circumferential direction of the crankshaft 46. Preferably, the crankshaft 46 is made of metal.

図４に示されるとおり、第２回転体７０は、筒状に形成される。第２回転体７０の内周部には、第１回転体６８が挿入される。第２回転体７０は、モータ５４の出力軸５４Ａに連結される。第２回転体７０は、ホイール部材３６に連結される。第２回転体７０は、出力部５２と一体に形成される。第２回転体７０は、出力部５２を介してモータ５４の出力軸５４Ａおよびホイール部材３６に連結される。図７に示されるとおり、第２回転体７０は、爪部材６６と係合可能な溝部７０Ａを有する。溝部７０Ａは、第２回転体７０の内周部に設けられる。 As shown in FIG. 4, the second rotating body 70 is formed in a cylindrical shape. The first rotating body 68 is inserted into the inner peripheral portion of the second rotating body 70 . The second rotating body 70 is connected to the output shaft 54A of the motor 54. The second rotating body 70 is connected to the wheel member 36. The second rotating body 70 is formed integrally with the output section 52. The second rotating body 70 is connected to the output shaft 54A of the motor 54 and the wheel member 36 via the output section 52. As shown in FIG. 7, the second rotating body 70 has a groove 70A that can be engaged with the claw member 66. The groove portion 70A is provided in the inner peripheral portion of the second rotating body 70.

図８に示されるとおり、溝部７０Ａは、係合面７０Ｂおよび底面７０Ｃを含む。係合面７０Ｂは、爪部材６６と係合可能に構成される。溝部７０Ａは、傾斜面７０Ｄをさらに含む。底面７０Ｃは、溝部７０Ａの底を形成する。係合面７０Ｂは、底面７０Ｃのうちの第２回転体７０の周方向の一方の端部と連続する。傾斜面７０Ｄは、底面７０Ｃのうちの第２回転体７０の周方向の他方の端部と連続する。第２回転体７０は、複数の溝部７０Ａを有することが好ましい。複数の溝部７０Ａは、ラチェット溝を形成する。複数の溝部７０Ａのうち、第２回転体７０の回転軸線まわりに相互に隣接する溝部７０Ａの係合面７０Ｂは、第２回転体７０の回転軸線まわりに２０°以下の範囲で設けられることが好ましい。これにより、爪部材６６が係合面７０Ｂに接触するまでにクランク軸４６が空転する角度を小さくすることができる。 As shown in FIG. 8, the groove portion 70A includes an engagement surface 70B and a bottom surface 70C. The engagement surface 70B is configured to be engageable with the claw member 66. The groove portion 70A further includes an inclined surface 70D. The bottom surface 70C forms the bottom of the groove portion 70A. The engagement surface 70B is continuous with one end of the bottom surface 70C in the circumferential direction of the second rotating body 70. The inclined surface 70D is continuous with the other end of the bottom surface 70C in the circumferential direction of the second rotating body 70. It is preferable that the second rotating body 70 has a plurality of grooves 70A. The plurality of groove portions 70A form a ratchet groove. Among the plurality of grooves 70A, the engagement surfaces 70B of the grooves 70A that are adjacent to each other around the rotational axis of the second rotary body 70 may be provided within a range of 20° or less around the rotational axis of the second rotary body 70. preferable. Thereby, the angle at which the crankshaft 46 idles until the claw member 66 comes into contact with the engagement surface 70B can be reduced.

爪部材６６は、第１爪部材６６Ａおよび第２爪部材６６Ｂを含む。第１爪部材６６Ａおよび第２爪部材６６Ｂは、第１回転体６８の周方向において互いに１８０度異なる位置に設けられる。第１回転体６８の第２部分６８Ｂには、第１爪部材６６Ａを配置するための凹部６８Ｅと、第２爪部材６６Ｂを配置するための凹部６８Ｅとが設けられる。 The claw member 66 includes a first claw member 66A and a second claw member 66B. The first claw member 66A and the second claw member 66B are provided at positions 180 degrees different from each other in the circumferential direction of the first rotating body 68. The second portion 68B of the first rotating body 68 is provided with a recess 68E for arranging the first claw member 66A and a recess 68E for arranging the second claw member 66B.

爪部材６６は、基部７４と、爪部７６とを含む。基部７４は、回転軸線Ｃを含む。回転軸線Ｃは、クランク軸４６の軸方向に平行する。基部７４は、回転軸線Ｃまわりで回転する。爪部７６は、基部７４と一体に形成され、溝部７０Ａに係合可能に構成される。爪部７６は、凹部６８Ｅから突出可能に構成される。 The claw member 66 includes a base 74 and a claw portion 76. Base 74 includes a rotation axis C. The rotation axis C is parallel to the axial direction of the crankshaft 46. The base 74 rotates around a rotation axis C. The claw portion 76 is formed integrally with the base portion 74 and is configured to be able to engage with the groove portion 70A. The claw portion 76 is configured to be able to protrude from the recess 68E.

図４に示される付勢部材７２は、例えばばねを含む。付勢部材７２は、爪部７６が凹部６８Ｅから突出する方向の力を爪部材６６に付与する。図８に示されるとおり、爪部材６６の爪部７６と溝部７０Ａとが対向する位置にある場合、付勢部材７２の力によって、爪部７６の少なくとも一部は溝部７０Ａが形成する溝に入り込む。爪部材６６および溝部７０Ａは、爪部材６６と底面７０Ｃとが接触しないように形成される。爪部材６６の爪部７６の先端が最も突出した位置に配置されている状態において、第１回転体６８の回転中心に垂直な面における第１回転体６８の回転中心から爪部材６６の爪部７６の先端までの距離Ｌ１は、第１回転体６８の回転中心に垂直な面における第１回転体６８の回転中心から溝部７０Ａの底面７０Ｃまでの距離Ｌ２よりも小さい。 The biasing member 72 shown in FIG. 4 includes, for example, a spring. The biasing member 72 applies a force to the claw member 66 in a direction that causes the claw portion 76 to protrude from the recess 68E. As shown in FIG. 8, when the claw portion 76 of the claw member 66 and the groove portion 70A are in opposing positions, at least a portion of the claw portion 76 enters the groove formed by the groove portion 70A due to the force of the biasing member 72. . The claw member 66 and the groove portion 70A are formed so that the claw member 66 and the bottom surface 70C do not come into contact with each other. When the tip of the claw portion 76 of the claw member 66 is disposed at the most protruding position, the claw portion of the claw member 66 is moved from the rotation center of the first rotating body 68 in a plane perpendicular to the rotation center of the first rotating body 68. The distance L1 to the tip of the groove 76 is smaller than the distance L2 from the rotation center of the first rotor 68 to the bottom surface 70C of the groove 70A in a plane perpendicular to the rotation center of the first rotor 68.

クランク軸４６が第１方向Ｒ１に回転する場合、第１回転体６８はクランク軸４６と一体に回転する。この場合、爪部７６が溝部７０Ａの係合面７０Ｂに係合し、爪部７６が第２回転体７０を第１回転体６８と第１方向Ｒ１に押すことによって、第２回転体７０が第１回転体６８と一体に回転する。第１方向Ｒ１は、自転車１０が前進する場合のクランク軸４６の回転方向と対応する。 When the crankshaft 46 rotates in the first direction R1, the first rotating body 68 rotates together with the crankshaft 46. In this case, the claw portion 76 engages with the engagement surface 70B of the groove portion 70A, and the claw portion 76 pushes the second rotating body 70 in the first direction R1 with respect to the first rotating body 68, so that the second rotating body 70 It rotates together with the first rotating body 68. The first direction R1 corresponds to the direction of rotation of the crankshaft 46 when the bicycle 10 moves forward.

図９に示されるとおり、クランク軸４６が第２方向Ｒ２に回転し、第１回転体６８が第２方向Ｒ２に回転する場合、かつ、爪部材６６の爪部７６が溝部７０Ａの溝にある場合、爪部７６の先端が溝部７０Ａの底面７０Ｃに接触しない位置に保持された状態で、第２回転体７０が第２方向Ｒ２に回転する。 As shown in FIG. 9, when the crankshaft 46 rotates in the second direction R2 and the first rotating body 68 rotates in the second direction R2, and the claw portion 76 of the claw member 66 is in the groove of the groove portion 70A. In this case, the second rotating body 70 rotates in the second direction R2 while the tip of the claw portion 76 is held in a position where it does not contact the bottom surface 70C of the groove portion 70A.

図１０に示されるとおり、第１回転体６８が図９の状態よりもさらに第２方向Ｒ２に回転する場合、爪部材６６のうちの第２回転体７０と対向する面が傾斜面７０Ｄと接触する。第２回転体７０によって爪部材６６が第１回転体６８の凹部６８Ｅに押し付けられ、第１回転体６８は、さらに第２方向Ｒ２に回転する。 As shown in FIG. 10, when the first rotating body 68 rotates further in the second direction R2 than the state shown in FIG. 9, the surface of the claw member 66 facing the second rotating body 70 comes into contact with the inclined surface 70D. do. The claw member 66 is pressed against the recess 68E of the first rotating body 68 by the second rotating body 70, and the first rotating body 68 further rotates in the second direction R2.

図４に示されるとおり、センサ４４は、第１センサ４４Ａおよび第２センサ４４Ｂを含む。センサ４４は、第１回転体６８に設けられる。第１センサ４４Ａおよび第２センサ４４Ｂは、第１回転体６８の周方向において互いに１８０度異なる位置に設けられる。第１回転体６８は、センサ４４が設けられる平面部６８Ｆをさらに含む（図１１参照）。平面部６８Ｆは、第１回転体６８の中間部６８Ｃに設けられる。第１回転体６８には、第１センサ４４Ａを配置するための平面部６８Ｆと、第２センサ４４Ｂを配置するための平面部６８Ｆとが設けられる。第１回転体６８の中間部６８Ｃは、クランク軸４６の外周部から離間している。 As shown in FIG. 4, the sensor 44 includes a first sensor 44A and a second sensor 44B. The sensor 44 is provided on the first rotating body 68 . The first sensor 44A and the second sensor 44B are provided at positions 180 degrees different from each other in the circumferential direction of the first rotating body 68. The first rotating body 68 further includes a flat portion 68F on which the sensor 44 is provided (see FIG. 11). The plane portion 68F is provided at the intermediate portion 68C of the first rotating body 68. The first rotating body 68 is provided with a flat portion 68F for arranging the first sensor 44A and a flat portion 68F for arranging the second sensor 44B. An intermediate portion 68C of the first rotating body 68 is spaced apart from the outer circumferential portion of the crankshaft 46.

図１２に示されるとおり、センサ４４は、第１回転体６８の回転軸線に平行な方向において、爪部材６６と並んで設けられる。センサ４４は、第１回転体６８の周方向において基部７４と実質的に等しい位相に設けられる。爪部７６の回転軸線Ｃは、回転軸線Ｃを径方向から見た場合に、第１回転体６８の周方向における平面部６８Ｆの中央および第１回転体６８の周方向におけるセンサ４４の中央と一致することが好ましい。 As shown in FIG. 12, the sensor 44 is provided in parallel with the claw member 66 in a direction parallel to the rotational axis of the first rotating body 68. The sensor 44 is provided in substantially the same phase as the base 74 in the circumferential direction of the first rotating body 68 . The rotational axis C of the claw portion 76 is aligned with the center of the flat portion 68F in the circumferential direction of the first rotating body 68 and the center of the sensor 44 in the circumferential direction of the first rotating body 68, when the rotational axis C is viewed from the radial direction. Preferably, they match.

第１センサ４４Ａは、第１回転体６８の回転軸線に平行な方向において、第１爪部材６６Ａと並んで設けられる。第１センサ４４Ａは、第１回転体６８の周方向において第１爪部材６６Ａの基部７４と実質的に等しい位相に設けられる。一例では、第１回転体６８の周方向において、第１爪部材６６Ａの爪部７６の回転軸線Ｃは、第１センサ４４Ａが配置される平面部６８Ｆの周方向の中央および第１センサ４４Ａの周方向の中央と一致する。図１１に示す第２センサ４４Ｂは、図１２に示す第１センサ４４Ａと同様に第１回転体６８の回転軸線に平行な方向において、第２爪部材６６Ｂと並んで設けられる。第２センサ４４Ｂは、第１回転体６８の周方向において第２爪部材６６Ｂの基部７４と実質的に等しい位相に設けられる。一例では、第１回転体６８の周方向において、第２爪部材６６Ｂの爪部７６の回転軸線Ｃは、第２センサ４４Ｂが配置される平面部６８Ｆの周方向の中央および第２センサ４４Ｂの周方向の中央と一致する。 The first sensor 44A is provided in parallel with the first claw member 66A in a direction parallel to the rotational axis of the first rotating body 68. The first sensor 44A is provided in substantially the same phase as the base 74 of the first claw member 66A in the circumferential direction of the first rotating body 68. In one example, in the circumferential direction of the first rotating body 68, the rotation axis C of the claw portion 76 of the first claw member 66A is located between the circumferential center of the flat portion 68F where the first sensor 44A is arranged and the center of the first sensor 44A. Coincides with the circumferential center. The second sensor 44B shown in FIG. 11 is provided in parallel with the second claw member 66B in a direction parallel to the rotational axis of the first rotating body 68, similarly to the first sensor 44A shown in FIG. The second sensor 44B is provided at substantially the same phase as the base 74 of the second claw member 66B in the circumferential direction of the first rotating body 68. In one example, in the circumferential direction of the first rotating body 68, the rotational axis C of the claw portion 76 of the second claw member 66B is located between the circumferential center of the flat portion 68F where the second sensor 44B is arranged and the center of the second sensor 44B. Coincides with the circumferential center.

センサ４４は、第１回転体６８に入力される力に応じた信号を出力する。センサ４４は、例えば歪みセンサを含む。歪みセンサは、図示しないフルブリッジ回路を含む。フルブリッジ回路を構成する４つの素子の引張および圧縮の検出方向は、回転軸線Ｃに対して４５度傾くように平面部６８Ｆに設けられることが好ましい。制御部５６は、センサ４４の出力信号に応じて、モータ５４を制御する。第１センサ４４Ａおよび第２センサ４４Ｂは、それぞれ歪センサを含む。制御部５６は、第１センサ４４Ａおよび第２センサ４４Ｂの出力信号を平均化した信号を用いてモータ５４を制御してもよい。 The sensor 44 outputs a signal according to the force input to the first rotating body 68. Sensor 44 includes, for example, a strain sensor. The strain sensor includes a full bridge circuit (not shown). It is preferable that the tension and compression detection directions of the four elements constituting the full bridge circuit be provided on the flat portion 68F so as to be inclined at 45 degrees with respect to the rotation axis C. The control unit 56 controls the motor 54 according to the output signal of the sensor 44. The first sensor 44A and the second sensor 44B each include a strain sensor. The control unit 56 may control the motor 54 using a signal obtained by averaging the output signals of the first sensor 44A and the second sensor 44B.

図１３に示されるとおり、自転車用部品４０は、第１無線通信部７７Ａをさらに含む。第１無線通信部７７Ａは、第１アンテナ部７８および第１回路部７９を含む。第１アンテナ部７８は、環状に形成される。第１アンテナ部７８は、環状の基板に設けられる。環状の基板の内周部は、第１センサ４４Ａおよび第２センサ４４Ｂと接続される。第１回路部７９は、第１アンテナ部７８が設けられている基板に設けられる。第１回路部７９には、センサ４４への電力の供給を制御し、センサ４４からの出力信号を処理する第１処理部が設けられる。第１アンテナ部７８は、センサ４４の出力に応じた信号を無線送信する。第１処理部は、センサ４４からの出力信号を処理して、処理した出力信号を第１アンテナ部７８から送信させる。第１アンテナ部７８は、コイルアンテナを含む。図３に示されるとおり、自転車用部品４０は、第２無線通信部７７Ｂをさらに含む。第２無線通信部７７Ｂは、第２アンテナ部８０および第２回路部８１を含む。第２アンテナ部８０は、ハウジング５０の内部に設けられ、第１アンテナ部７８からの信号を受信する。第２アンテナ部８０は、環状の基板に設けられる。第２回路部８１は、第２アンテナ部８０が設けられている基板に設けられる。第２回路部８１には、センサ４４への電力の供給を制御し、第２アンテナ部８０からの信号を処理する第２処理部が設けられる。第２処理部は、第２アンテナ部８０が受信した信号に応じた信号を制御部５６に送信する。第２アンテナ部８０は、コイルアンテナを含む。第１アンテナ部７８は、第２アンテナ部８０から電力を受信し、受信した電力を第１処理部およびセンサ４４に供給する。 As shown in FIG. 13, the bicycle component 40 further includes a first wireless communication section 77A. The first wireless communication section 77A includes a first antenna section 78 and a first circuit section 79. The first antenna section 78 is formed in an annular shape. The first antenna section 78 is provided on an annular substrate. The inner peripheral portion of the annular substrate is connected to the first sensor 44A and the second sensor 44B. The first circuit section 79 is provided on the substrate on which the first antenna section 78 is provided. The first circuit section 79 is provided with a first processing section that controls the supply of power to the sensor 44 and processes the output signal from the sensor 44 . The first antenna section 78 wirelessly transmits a signal according to the output of the sensor 44. The first processing section processes the output signal from the sensor 44 and transmits the processed output signal from the first antenna section 78 . The first antenna section 78 includes a coil antenna. As shown in FIG. 3, the bicycle component 40 further includes a second wireless communication section 77B. The second wireless communication section 77B includes a second antenna section 80 and a second circuit section 81. The second antenna section 80 is provided inside the housing 50 and receives the signal from the first antenna section 78. The second antenna section 80 is provided on an annular substrate. The second circuit section 81 is provided on the substrate on which the second antenna section 80 is provided. The second circuit section 81 is provided with a second processing section that controls the supply of power to the sensor 44 and processes the signal from the second antenna section 80 . The second processing section transmits a signal corresponding to the signal received by the second antenna section 80 to the control section 56. The second antenna section 80 includes a coil antenna. The first antenna section 78 receives power from the second antenna section 80 and supplies the received power to the first processing section and the sensor 44 .

（第２実施形態）
図１４および図１５を参照して、第２実施形態の自転車用部品４０について説明する。第２実施形態の自転車用部品４０は、第１実施形態の第１回転体６８に代えて調整部９２が設けられる第１回転体９０を含む点以外は自転車用部品４０と同様であるので、第１実施形態と共通する構成については、第１実施形態と同一の符号を付し、重複する説明を省略する。 (Second embodiment)
A bicycle component 40 according to a second embodiment will be described with reference to FIGS. 14 and 15. The bicycle component 40 of the second embodiment is similar to the bicycle component 40 except that it includes a first rotating body 90 provided with an adjustment section 92 instead of the first rotating body 68 of the first embodiment. Components that are common to the first embodiment are given the same reference numerals as those in the first embodiment, and redundant explanations will be omitted.

図１４に示されるとおり、第１回転体９０は、筒状に形成される。第１回転体９０は、爪部材６６を移動可能に支持する。図５に示されるとおり、第１回転体９０は、クランク軸４６に連結される。第１回転体９０は、クランク軸４６の軸方向における第１部分６８Ａ、第２部分６８Ｂ、および、第１部分６８Ａと第２部分６８Ｂとの間の中間部９０Ａを含む。中間部９０Ａは、センサ４４が設けられる部分に力を集中させるための調整部９２を含む。中間部９０Ａは、センサ４４が設けられる平面部６８Ｆを含む。第１回転体９０は、調整部９２が設けられる点以外は、第１実施形態の第１回転体６８と同様の構造を有する。 As shown in FIG. 14, the first rotating body 90 is formed into a cylindrical shape. The first rotating body 90 movably supports the claw member 66. As shown in FIG. 5, the first rotating body 90 is connected to the crankshaft 46. The first rotating body 90 includes a first portion 68A, a second portion 68B, and an intermediate portion 90A between the first portion 68A and the second portion 68B in the axial direction of the crankshaft 46. The intermediate portion 90A includes an adjustment portion 92 for concentrating force on the portion where the sensor 44 is provided. The intermediate portion 90A includes a flat portion 68F on which the sensor 44 is provided. The first rotary body 90 has the same structure as the first rotary body 68 of the first embodiment except that an adjustment section 92 is provided.

調整部９２は、溝および孔の少なくともいずれか１つを含む。図１４および図１５に示す例では、調整部９２は、孔９４を含む。孔９４は、第１回転体９０の周方向に延びる長孔形状を有する。第１回転体９０の周方向における孔９４の長さは、第１回転体９０の外周部の周長の８分の１以上かつ３分の１以下であることが好ましい。調整部９２が溝を含む場合、第１回転体９０の径方向において、調整部９２の厚みは、他の部分の厚みよりも小さくなるように形成されることが好ましい。孔９４の形状は、たとえば角に丸みを有していてもよく、角ばっていてもよく、形状は限定されない。 Adjustment portion 92 includes at least one of a groove and a hole. In the example shown in FIGS. 14 and 15, the adjustment section 92 includes a hole 94. In the example shown in FIGS. The hole 94 has a long hole shape extending in the circumferential direction of the first rotating body 90 . The length of the hole 94 in the circumferential direction of the first rotating body 90 is preferably one-eighth or more and one-third or less of the circumferential length of the outer peripheral portion of the first rotating body 90. When the adjustment portion 92 includes a groove, the thickness of the adjustment portion 92 is preferably formed to be smaller than the thickness of other portions in the radial direction of the first rotating body 90. The shape of the hole 94 is not limited, and may have rounded or angular corners, for example.

図１５に示されるとおり、調整部９２は、第１調整部９２Ａおよび第２調整部９２Ｂを含む。第１調整部９２Ａおよび第２調整部９２Ｂは、第１回転体９０の周方向においてセンサ４４を挟む位置に配置される。第１調整部９２Ａと第２調整部９２Ｂとは、第１回転体９０の周方向において互いに１８０度異なる位置に設けられる。第１調整部９２Ａは、第１回転体９０の周方向において、第１センサ４４Ａと第２センサ４４Ｂとの間に配置される。第２調整部９２Ｂは、第１回転体９０の周方向において、第１回転体９０の回転軸線を挟んで第１調整部９２Ａとは反対側の位置で、第１センサ４４Ａと第２センサ４４Ｂとの間に配置される。第１調整部９２Ａと第１センサ４４Ａおよび第２センサ４４Ｂとは、第１回転体９０の周方向において９０度異なる位置に設けられる。第２調整部９２Ｂと第１センサ４４Ａおよび第２センサ４４Ｂとは、第１回転体９０の周方向において９０度異なる位置に設けられる。第１回転体９０の回転軸方向における孔９４の長さは、第１回転体９０の回転軸方向における歪センサの長さよりも大きいことが好ましい。第１回転体９０の回転軸方向において、孔９４は、第１回転体９０の回転軸方向における歪センサの両端部よりも、それぞれ第１端部側および第２端部側に延びていることが好ましい。 As shown in FIG. 15, the adjustment section 92 includes a first adjustment section 92A and a second adjustment section 92B. The first adjustment section 92A and the second adjustment section 92B are arranged at positions sandwiching the sensor 44 in the circumferential direction of the first rotating body 90. The first adjustment section 92A and the second adjustment section 92B are provided at positions 180 degrees different from each other in the circumferential direction of the first rotating body 90. The first adjustment section 92A is arranged between the first sensor 44A and the second sensor 44B in the circumferential direction of the first rotating body 90. The second adjustment section 92B is located at a position opposite to the first adjustment section 92A across the rotational axis of the first rotation body 90 in the circumferential direction of the first rotation body 90, and the first sensor 44A and the second sensor 44B placed between. The first adjustment section 92A, the first sensor 44A, and the second sensor 44B are provided at positions different by 90 degrees in the circumferential direction of the first rotating body 90. The second adjustment portion 92B, the first sensor 44A, and the second sensor 44B are provided at positions different by 90 degrees in the circumferential direction of the first rotating body 90. The length of the hole 94 in the direction of the rotation axis of the first rotation body 90 is preferably larger than the length of the strain sensor in the direction of the rotation axis of the first rotation body 90. In the rotational axis direction of the first rotating body 90, the hole 94 extends toward the first end side and the second end side, respectively, from both ends of the strain sensor in the rotational axis direction of the first rotating body 90. is preferred.

クランク軸４６から第１回転体９０に伝達された力がワンウェイクラッチ４２を介して第２回転体７０に伝達される場合、第１回転体９０に伝達された力は、孔９４以外の部分を介して伝達される。このため、孔９４を設けない構成と比較して、センサ４４が取り付けられる部分に力が集中する。 When the force transmitted from the crankshaft 46 to the first rotating body 90 is transmitted to the second rotating body 70 via the one-way clutch 42, the force transmitted to the first rotating body 90 is transmitted to a portion other than the hole 94. transmitted through. Therefore, compared to a configuration in which the hole 94 is not provided, force is concentrated on the portion where the sensor 44 is attached.

（変形例）
上記各実施形態に関する説明は、本発明に従う自転車用部品が取り得る形態の例示であり、その形態を制限することを意図していない。本発明に従う自転車用部品は、例えば以下に示される上記各実施形態の変形例、および、相互に矛盾しない少なくとも２つの変形例が組み合わせられた形態を取り得る。以下の変形例において、各実施形態の形態と共通する部分については、各実施形態と同一の符号を付してその説明を省略する。 (Modified example)
The descriptions of the above embodiments are illustrative of the forms that the bicycle component according to the present invention can take, and are not intended to limit the forms. The bicycle component according to the present invention may take the form of, for example, a combination of the following modifications of each of the above-mentioned embodiments and at least two mutually consistent modifications. In the following modified examples, parts that are common to the forms of each embodiment are given the same reference numerals as those of each embodiment, and the description thereof will be omitted.

・第２実施形態のワンウェイクラッチ４２を図１６に示すワンウェイクラッチ９６に変更することもできる。ワンウェイクラッチ９６は、第１回転体９８、第２回転体１００、および、係合体１０２を含む。係合体１０２は、第１回転体９８と第２回転体１００との間に配置される。一例では、係合体１０２は、複数の転動体を含む。一例では、転動体は、ローラを含む。ワンウェイクラッチ９６は、ローラクラッチを含む。複数の転動体は、キャリアによって保持されている。第１回転体９８は、クランク軸４６の軸方向における第１部分、第２部分、および、第１部分と第２部分との間の中間部を含む。第１部分は、クランク軸４６に連結される。第２部分は係合体１０２に連結される。中間部は、調整部９２を含む。 - The one-way clutch 42 of the second embodiment can also be changed to a one-way clutch 96 shown in FIG. 16. One-way clutch 96 includes a first rotating body 98, a second rotating body 100, and an engaging body 102. The engaging body 102 is arranged between the first rotating body 98 and the second rotating body 100. In one example, the engaging body 102 includes a plurality of rolling elements. In one example, the rolling elements include rollers. One-way clutch 96 includes a roller clutch. The plurality of rolling elements are held by a carrier. The first rotating body 98 includes a first portion, a second portion, and an intermediate portion between the first portion and the second portion in the axial direction of the crankshaft 46 . The first portion is connected to the crankshaft 46. The second portion is connected to the engagement body 102. The intermediate section includes an adjustment section 92 .

・第２実施形態およびその変形例において、第１調整部９２Ａおよび第２調整部９２Ｂの一方を省略してもよい。
・第２実施形態およびその変形例において、第１センサ４４Ａおよび第２センサ４４Ｂの一方を省略し、かつ、第１調整部９２Ａおよび第２調整部９２Ｂの一方を省略してもよい。この場、調整部９２は、第１回転体９０の周方向においてセンサ４４と１８０度異なる位置に設けてもよい。 - In the second embodiment and its modifications, one of the first adjustment section 92A and the second adjustment section 92B may be omitted.
- In the second embodiment and its modifications, one of the first sensor 44A and the second sensor 44B may be omitted, and one of the first adjustment section 92A and the second adjustment section 92B may be omitted. In this case, the adjustment section 92 may be provided at a position 180 degrees different from the sensor 44 in the circumferential direction of the first rotating body 90.

・第２実施形態およびその変形例において、調整部９２は、孔または溝に代えて、第１回転体９０のセンサ４４が配置される部分とは異なる材料によって形成されていてもよい。この場合、例えば、調整部の材料には、センサ４４が配置される部分の材料よりも剛性の低い材料が含まれる。要するに、センサ４４が配置される部分に力を集中させることができるような調整部であれば、いずれの構成も採用することができる。 - In the second embodiment and its modified examples, the adjustment portion 92 may be formed of a material different from that of the portion of the first rotating body 90 where the sensor 44 is arranged, instead of the hole or groove. In this case, for example, the material of the adjustment portion includes a material with lower rigidity than the material of the portion where the sensor 44 is arranged. In short, any configuration can be adopted as long as the adjustment section can concentrate the force on the portion where the sensor 44 is arranged.

・各実施形態およびその変形例において、第１爪部材６６Ａおよび第２爪部材６６Ｂの一方を省略してもよい。また、爪部材６６を３つ以上設けてもよい。溝部７０Ａは、爪部材６６の数よりも多く設けられることが好ましい。
・各実施形態およびその変形例において、第１センサ４４Ａおよび第２センサ４４Ｂの一方を省略してもよい。 - In each embodiment and its modification, one of the first claw member 66A and the second claw member 66B may be omitted. Further, three or more claw members 66 may be provided. It is preferable that the number of groove portions 70A is greater than the number of claw members 66.
- In each embodiment and its modification, one of the first sensor 44A and the second sensor 44B may be omitted.

・各実施形態およびその変形例の第１回転体６８，９０，９８の第１部分６８Ａをクランク軸４６に圧入してもよい。例えば、図１７に示す第１部分６８Ａは、第１連結部６９を内周部に有する。クランク軸４６は、第１連結部６９に圧入される第２連結部４６Ｂを外周部に有する。第２連結部４６Ｂに第１連結部６９が圧入される場合、第２連結部４６Ｂの内周部および第１連結部６９の外周部には、それぞれセレーションが形成されていてもよいし、図１７に示すようにセレーションが形成されていなくてもよい。 - The first portion 68A of the first rotating body 68, 90, 98 of each embodiment and its modification may be press-fitted into the crankshaft 46. For example, the first portion 68A shown in FIG. 17 has a first connecting portion 69 on the inner circumference. The crankshaft 46 has a second connecting portion 46B press-fitted into the first connecting portion 69 on its outer peripheral portion. When the first connecting part 69 is press-fitted into the second connecting part 46B, serrations may be formed on the inner peripheral part of the second connecting part 46B and the outer peripheral part of the first connecting part 69, respectively. As shown in 17, the serrations may not be formed.

・各実施形態およびその変形例において、接着剤４８に代えて、図１８に示すようにクランク軸４６と第１回転体６８，９０，９８との間に弾性部材１０４を設けてもよい。弾性部材１０４は、例えばゴムを含む。弾性部材１０４は、第１連結部６８Ｄと第２連結部４６Ａとの隙間を埋める形状を有する。この場合、クランク軸４６から第１連結部６８Ｄに伝達される力の周方向における偏りが弾性部材１０４によって低減されるため、クランク軸４６から第１連結部６８Ｄに好適にトルクが伝達される。 - In each embodiment and its modification, instead of the adhesive 48, an elastic member 104 may be provided between the crankshaft 46 and the first rotating bodies 68, 90, 98, as shown in FIG. The elastic member 104 includes, for example, rubber. The elastic member 104 has a shape that fills the gap between the first connecting portion 68D and the second connecting portion 46A. In this case, since the bias in the circumferential direction of the force transmitted from the crankshaft 46 to the first connecting portion 68D is reduced by the elastic member 104, torque is suitably transmitted from the crankshaft 46 to the first connecting portion 68D.

・各実施形態およびその変形例において、自転車用部品４０は、モータ５４の出力軸５４Ａから出力部５２までのモータ駆動力の伝達経路に設けられるワンウェイクラッチ１０６を含んでもよい。例えば、図１９に示すように、クラッチ６２を、第１および第２実施形態のワンウェイクラッチ４２と同様の構造を有するワンウェイクラッチ１０６に変更してもよい。ワンウェイクラッチ１０６は、爪部材１０８を有する。図１９のワンウェイクラッチ１０６では、第１回転軸６４は、第１回転体に相当し、第１ギア６４Ａは、第２回転体に相当する。この場合、ワンウェイクラッチ４２は、ローラクラッチに変更してもよい。各実施形態およびその変形例において、第３ギア６５Ａと第２回転軸６５との間に設けられるクラッチ６３を第２実施形態のワンウェイクラッチ４２と同様の構造を有するワンウェイクラッチに変更してもよい。各実施形態およびその変形例において、第４ギア６５Ｂと第２回転軸６５との間に、第１または第２実施形態のワンウェイクラッチ４２と同様の構造を有するワンウェイクラッチを設けてもよい。モータ５４の出力軸５４Ａから出力部５２までのモータ駆動力の伝達経路には、複数のワンウェイクラッチが設けられていてもよいが、１つのワンウェイクラッチのみが設けられることが好ましい。 - In each embodiment and its modification, the bicycle component 40 may include the one-way clutch 106 provided in the transmission path of the motor driving force from the output shaft 54A of the motor 54 to the output section 52. For example, as shown in FIG. 19, the clutch 62 may be changed to a one-way clutch 106 having the same structure as the one-way clutch 42 of the first and second embodiments. One-way clutch 106 has a pawl member 108. In the one-way clutch 106 of FIG. 19, the first rotating shaft 64 corresponds to a first rotating body, and the first gear 64A corresponds to a second rotating body. In this case, the one-way clutch 42 may be changed to a roller clutch. In each embodiment and its modified examples, the clutch 63 provided between the third gear 65A and the second rotating shaft 65 may be changed to a one-way clutch having the same structure as the one-way clutch 42 of the second embodiment. . In each embodiment and its modifications, a one-way clutch having the same structure as the one-way clutch 42 of the first or second embodiment may be provided between the fourth gear 65B and the second rotating shaft 65. Although a plurality of one-way clutches may be provided in the transmission path of the motor driving force from the output shaft 54A of the motor 54 to the output section 52, it is preferable that only one one-way clutch is provided.

・各実施形態およびその変形例において、第２回転体７０をクランク軸４６に連結し、第１回転体６８，９０，９８をホイール部材３６に連結してもよい。この場合、第１回転体６８，９０，９８に出力部５２が一体に形成される。 - In each embodiment and its modification, the second rotating body 70 may be connected to the crankshaft 46, and the first rotating bodies 68, 90, 98 may be connected to the wheel member 36. In this case, the output section 52 is integrally formed with the first rotating bodies 68, 90, and 98.

・各実施形態およびその変形例において、第２回転体７０と出力部５２とは、別体で形成されていてもよい。この場合、第２回転体７０と出力部５２とは、例えばセレーションによって結合されていてもよく、圧入によって結合されていてもよい。 - In each embodiment and its modification, the second rotating body 70 and the output section 52 may be formed separately. In this case, the second rotating body 70 and the output section 52 may be coupled, for example, by serrations or by press fitting.

・各実施形態およびその変形例において、第２回転体７０が爪部材６６を移動可能に支持し、第１回転体６８，９０，９８が爪部材６６と係合可能な溝部を有してもよい。この場合、第２回転体７０の内周部に爪部材６６の基部７４が保持され、第１回転体６８，９０，９８の外周部に爪部７６が係合可能な複数の溝部７０Ａが形成される。 - In each embodiment and its modification, the second rotating body 70 movably supports the claw member 66, and the first rotating body 68, 90, 98 has a groove that can be engaged with the claw member 66. good. In this case, the base 74 of the claw member 66 is held on the inner circumference of the second rotating body 70, and a plurality of grooves 70A are formed on the outer circumference of the first rotating body 68, 90, 98, with which the claw 76 can engage. be done.

・各実施形態およびその変形例において、自転車用部品４０からモータ５４を省略することもできる。自転車用部品４０からモータ５４を省略する場合、減速機５８およびギア５２Ａも省略することができる。この場合、モータ５４は、前輪２８のハブおよび後輪３０のハブの少なくともいずれか一方に設けることができる。自転車用部品４０は、自転車用トルク検出装置として機能する。 - In each embodiment and its modification example, the motor 54 can also be omitted from the bicycle component 40. When the motor 54 is omitted from the bicycle component 40, the reducer 58 and gear 52A can also be omitted. In this case, the motor 54 can be provided on at least one of the hub of the front wheel 28 and the hub of the rear wheel 30. The bicycle component 40 functions as a bicycle torque detection device.

１０…自転車、１４…車輪、３６…ホイール部材、４０…自転車用部品、４２，９６，１０６…ワンウェイクラッチ、４４…センサ、４４Ａ…第１センサ、４４Ｂ…第２センサ、４６…クランク軸、４６Ａ，４６Ｂ…第２連結部、４８…接着剤、５０…ハウジング、５２…出力部、５４…モータ、５４Ａ…出力軸、６６，１０８…爪部材、６６Ａ…第１爪部材、６６Ｂ…第２爪部材、６８，９０，９８…第１回転体、６８Ａ…第１部分、６８Ｂ…第２部分、６８Ｃ，９０Ａ…中間部、６８Ｄ，６９…第１連結部、６８Ｆ…平面部、７０，１００…第２回転体、７０Ａ…溝部、７０Ｂ…係合面、７０Ｃ…底面、７４…基部、７６…爪部、９２…調整部、９２Ａ…第１調整部、９２Ｂ…第２調整部、９４…孔、１０２…係合体。 10... Bicycle, 14... Wheel, 36... Wheel member, 40... Bicycle parts, 42, 96, 106... One-way clutch, 44... Sensor, 44A... First sensor, 44B... Second sensor, 46... Crankshaft, 46A , 46B...Second connection part, 48...Adhesive, 50...Housing, 52...Output part, 54...Motor, 54A...Output shaft, 66, 108...Claw member, 66A...First claw member, 66B...Second claw Members, 68, 90, 98...first rotating body, 68A...first part, 68B...second part, 68C, 90A...intermediate part, 68D, 69...first connecting part, 68F...plane part, 70,100... 2nd rotating body, 70A...groove, 70B...engaging surface, 70C...bottom, 74...base, 76...claw, 92...adjustment section, 92A...first adjustment section, 92B...second adjustment section, 94...hole , 102... Engagement body.

Claims (14)

爪部材、前記爪部材を移動可能に支持しクランク軸に連結される第１回転体、および、前記爪部材と係合可能な溝部を有する第２回転体を含むワンウェイクラッチと、
前記第１回転体に設けられ、前記第１回転体に入力される力に応じた信号を出力するセンサと、を含み、
前記爪部材は、第１爪部材および第２爪部材を含み、
前記センサは、第１センサおよび第２センサを含み、
前記第１センサは、前記第１回転体とは別に構成され、前記第１回転体に取り付けられ、前記第１回転体の回転軸線に平行な方向において、前記第１爪部材と並んで設けられ、
前記第２センサは、前記第１回転体とは別に構成され、前記第１回転体に取り付けられ、前記第１回転体の回転軸線に平行な方向において、前記第２爪部材と並んで設けられ、
前記ワンウェイクラッチは、前記第１回転体の周方向に関する前記第１爪部材と前記第２爪部材との間に前記爪部材が設けられない第１領域を含み、
前記センサは、前記第１回転体の回転軸線に平行な方向において、前記第１領域に並ぶ第２領域には設けられない、自転車用部品。 a one-way clutch that includes a pawl member, a first rotating body that movably supports the pawl member and is connected to a crankshaft, and a second rotary body that has a groove that can be engaged with the pawl member;
a sensor provided on the first rotating body and outputting a signal according to a force input to the first rotating body,
The claw member includes a first claw member and a second claw member,
The sensor includes a first sensor and a second sensor,
The first sensor is configured separately from the first rotating body, is attached to the first rotating body, and is provided in parallel with the first claw member in a direction parallel to the rotational axis of the first rotating body. ,
The second sensor is configured separately from the first rotating body, is attached to the first rotating body, and is provided in parallel with the second claw member in a direction parallel to the rotational axis of the first rotating body. ,
The one-way clutch includes a first region where the claw member is not provided between the first claw member and the second claw member in the circumferential direction of the first rotating body,
The bicycle component, wherein the sensor is not provided in a second region that is lined up with the first region in a direction parallel to the rotational axis of the first rotating body. 前記第１爪部材および前記第２爪部材は、前記第１回転体の周方向において互いに１８０度異なる位置に設けられ、
前記第１センサおよび前記第２センサは、前記第１回転体の周方向において互いに１８０度異なる位置に設けられる、請求項１に記載の自転車用部品。 The first claw member and the second claw member are provided at positions 180 degrees different from each other in the circumferential direction of the first rotating body,
The bicycle component according to claim 1, wherein the first sensor and the second sensor are provided at positions 180 degrees apart from each other in the circumferential direction of the first rotating body. 前記第２回転体は、車輪の回転軸とは異なる回転軸まわりに回転可能なホイール部材に連結され、
前記溝部は、前記爪部材と係合可能な係合面、および、前記溝部の底を形成する底面を含み、
前記爪部材および前記溝部は、前記爪部材と前記底面とが接触しないように形成される、請求項１または２に記載の自転車用部品。 The second rotating body is connected to a wheel member rotatable around a rotation axis different from the rotation axis of the wheel,
The groove includes an engagement surface that can be engaged with the claw member, and a bottom surface that forms a bottom of the groove,
The bicycle component according to claim 1 or 2, wherein the claw member and the groove are formed so that the claw member and the bottom surface do not come into contact with each other. 前記第１回転体は、前記センサが設けられる平面部をさらに含む、請求項１から３のいずれか一項に記載の自転車用部品。 The bicycle component according to any one of claims 1 to 3, wherein the first rotating body further includes a flat portion on which the sensor is provided. 前記平面部は前記第１回転体の周方向に関して間隔を空けて設けられる第１平面部および第２平面部を含み、
前記第１センサは、前記第１平面部に取り付けられ、
前記第２センサは、前記第２平面部に取り付けられる、請求項４に記載の自転車用部品。 The plane part includes a first plane part and a second plane part that are spaced apart from each other in the circumferential direction of the first rotating body,
the first sensor is attached to the first plane part,
The bicycle component according to claim 4, wherein the second sensor is attached to the second flat surface. 前記第１回転体は、前記第１平面部に対する前記第１回転体の周方向の一方において前記第１平面部と前記第２平面部との間に設けられる第１曲面部と、前記第１平面部に対する前記第１回転体の周方向の他方において前記第１平面部と前記第２平面部との間に設けられる第２曲面部とをさらに含み、
前記第１平面部に平行であり、かつ、前記第１回転体の回転中心に直交する方向に関する前記第１平面部の長さは、前記第１回転体の周方向に関する前記第１曲面部の長さおよび前記第２曲面部の長さよりも短く、
前記第２平面部に平行であり、かつ、前記第１回転体の回転中心に直交する方向に関する前記第２平面部の長さは、前記第１回転体の周方向に関する前記第１曲面部の長さおよび前記第２曲面部の長さよりも短い、請求項５に記載の自転車用部品。 The first rotating body includes a first curved surface section provided between the first plane section and the second plane section in one circumferential direction of the first rotating body with respect to the first plane section; further comprising a second curved surface section provided between the first plane section and the second plane section in the other circumferential direction of the first rotating body with respect to the plane section,
The length of the first plane part in a direction parallel to the first plane part and perpendicular to the center of rotation of the first rotating body is equal to the length of the first curved part in the circumferential direction of the first rotating body. shorter than the length and the length of the second curved surface portion;
The length of the second plane part in a direction parallel to the second plane part and perpendicular to the center of rotation of the first rotating body is the length of the first curved part in the circumferential direction of the first rotating body. The bicycle component according to claim 5, wherein the bicycle component has a length shorter than that of the second curved surface portion. 前記第１回転体は、前記クランク軸の軸方向における第１部分、第２部分、および、前記第１部分と前記第２部分との間の中間部を含み、
前記第１部分は、前記クランク軸に連結され、
前記第２部分は、前記爪部材に連結され、
前記中間部は、前記センサが設けられる部分に前記力を集中させるための調整部を含み、
前記調整部は、溝および孔の少なくともいずれか１つを含む、請求項２から６のいずれか一項に記載の自転車用部品。 The first rotating body includes a first portion, a second portion, and an intermediate portion between the first portion and the second portion in the axial direction of the crankshaft,
the first portion is connected to the crankshaft;
the second portion is connected to the claw member;
The intermediate portion includes an adjustment portion for concentrating the force on a portion where the sensor is provided,
The bicycle component according to any one of claims 2 to 6 , wherein the adjustment portion includes at least one of a groove and a hole. 爪部材、前記爪部材を移動可能に支持しクランク軸に連結される第１回転体、および、前記爪部材と係合可能な溝部を有する第２回転体を含むワンウェイクラッチと、
前記第１回転体に設けられ、前記第１回転体に入力される力に応じた信号を出力するセンサと、を含み、
前記爪部材は、第１爪部材および第２爪部材を含み、
前記センサは、第１センサおよび第２センサを含み、
前記第１センサは、前記第１回転体とは別に構成され、前記第１回転体に取り付けられ、前記第１回転体の回転軸線に平行な方向において、前記第１爪部材と並んで設けられ、
前記第２センサは、前記第１回転体とは別に構成され、前記第１回転体に取り付けられ、前記第１回転体の回転軸線に平行な方向において、前記第２爪部材と並んで設けられ、
前記第１回転体は、前記クランク軸の軸方向における第１部分、第２部分、および、前記第１部分と前記第２部分との間の中間部を含み、
前記第１部分は、前記クランク軸に連結され、
前記第２部分は、前記爪部材に連結され、
前記中間部は、前記センサが設けられる部分に前記力を集中させるための調整部を含み、
前記調整部は、溝および孔の少なくともいずれか１つを含む、自転車用部品。 a one-way clutch that includes a pawl member, a first rotating body that movably supports the pawl member and is connected to a crankshaft, and a second rotary body that has a groove that can be engaged with the pawl member;
a sensor provided on the first rotating body and outputting a signal according to a force input to the first rotating body,
The claw member includes a first claw member and a second claw member,
The sensor includes a first sensor and a second sensor,
The first sensor is configured separately from the first rotating body, is attached to the first rotating body, and is provided in parallel with the first claw member in a direction parallel to the rotational axis of the first rotating body. ,
The second sensor is configured separately from the first rotating body, is attached to the first rotating body, and is provided in parallel with the second claw member in a direction parallel to the rotational axis of the first rotating body. ,
The first rotating body includes a first portion, a second portion, and an intermediate portion between the first portion and the second portion in the axial direction of the crankshaft,
the first portion is connected to the crankshaft;
the second portion is connected to the claw member;
The intermediate portion includes an adjustment portion for concentrating the force on a portion where the sensor is provided,
The bicycle component, wherein the adjustment portion includes at least one of a groove and a hole . 前記調整部は、第１調整部および第２調整部を含み、
前記第１調整部および前記第２調整部は、前記第１回転体の周方向において前記センサを挟む位置に配置される、請求項７または８に記載の自転車用部品。 The adjustment section includes a first adjustment section and a second adjustment section,
The bicycle component according to claim 7 or 8 , wherein the first adjustment section and the second adjustment section are arranged at positions sandwiching the sensor in a circumferential direction of the first rotating body. 前記調整部は、溝および孔の少なくともいずれか１つを含む、請求項７から９のいずれか一項に記載の自転車用部品。 The bicycle component according to any one of claims 7 to 9 , wherein the adjustment portion includes at least one of a groove and a hole. 前記爪部材は、回転軸線を含む基部と、前記基部と一体に形成され、前記溝部に係合可能な爪部とを含み、
前記センサは、前記第１回転体の周方向において前記基部と実質的に等しい位相に設けられる、請求項１から１０のいずれか一項に記載の自転車用部品。 The claw member includes a base including a rotation axis, and a claw that is formed integrally with the base and can be engaged with the groove,
The bicycle component according to any one of claims 1 to 10 , wherein the sensor is provided in substantially the same phase as the base in the circumferential direction of the first rotating body. 前記第１回転体は、筒状に形成され、内周部に第１連結部を有し、
前記クランク軸は、前記第１連結部に嵌合される第２連結部を外周部に有し、
前記第１連結部と前記第２連結部との間に設けられる接着剤をさらに含む、請求項１から１１のいずれか一項に記載の自転車用部品。 The first rotating body is formed in a cylindrical shape and has a first connecting part on an inner peripheral part,
The crankshaft has a second connecting portion fitted to the first connecting portion on an outer peripheral portion,
The bicycle component according to any one of claims 1 to 11 , further comprising an adhesive provided between the first connection part and the second connection part. 前記第１回転体は、筒状に形成され、内周部に第１連結部を有し、
前記クランク軸は、前記第１連結部に圧入される第２連結部を外周部に有する、請求項１から１２のいずれか一項に記載の自転車用部品。 The first rotating body is formed in a cylindrical shape and has a first connecting part on an inner peripheral part,
The bicycle component according to any one of claims 1 to 12 , wherein the crankshaft has a second connecting portion on an outer peripheral portion that is press-fitted into the first connecting portion. 前記第２回転体は、自転車の推進をアシストするモータの出力軸に連結される、請求項１から１３のいずれか一項に記載の自転車用部品。 The bicycle component according to any one of claims 1 to 13 , wherein the second rotating body is connected to an output shaft of a motor that assists in propulsion of the bicycle.
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