JP6411945B2 - Bicycle hub, bicycle power supply device, and bicycle electric system - Google Patents

Description

  The present invention relates to a bicycle hub, a bicycle power supply device, and a bicycle electric system.

  The bicycle hub of Patent Document 1 includes a hub shaft attached to a bicycle frame, and a hub shell supported to be rotatable relative to the hub shaft. Between the hub shaft and the hub shell, a first bearing that rotatably supports the hub shell with respect to the hub shaft at one end of the hub shell, and a hub shell with respect to the hub shaft at the other end of the hub shell. A second bearing that is rotatably supported is provided.

JP 2007-62718 A

  For example, when an electric component is provided on the wheel and a power source is provided on the bicycle frame, power from the power source may be supplied to the electric component through the hub shaft and the hub shell in this order. However, the bicycle hub disclosed in Patent Document 1 does not disclose the use of the bicycle hub as a conduction path, and there is room for improvement in securing conduction between the hub shaft and the hub shell.

  An object of the present invention is to provide a bicycle hub, a bicycle power supply device, and a bicycle electric system that can easily ensure conduction between a hub shaft and a hub shell.

  [1] One form of the bicycle hub according to the present invention includes a hub shell supported so as to be relatively rotatable with respect to the hub shaft, and a first current-carrying portion provided between the hub shell and the hub shaft, The first energization section includes a first electrical contact that rotates integrally with the hub shell, and a second electrical contact that is supported so as not to rotate relative to the hub shaft. The contact is electrically connected to the second electrical contact.

  [2] According to an example of the bicycle hub, the bicycle hub further includes a first bearing mounting portion provided between one end portion of the hub shell and one end portion of the hub shaft. The energizing portion is at least partially disposed on the first bearing mounting portion.

  [3] According to an example of the bicycle hub, the bicycle hub further includes a second energization portion provided between the hub shell and the hub shaft, and the second energization portion rotates integrally with the hub shell. And a fourth electrical contact that rotates integrally with the hub shaft, and the third electrical contact is electrically connected to the fourth electrical contact.

  [4] According to an example of the bicycle hub, the bicycle hub further includes a second bearing mounting portion provided between the other end portion of the hub shell and the other end portion of the hub shaft. The energization portion is at least partially disposed on the first bearing mounting portion or the second bearing mounting portion.

[5] According to an example of the bicycle hub, the first current-carrying portion is a first bearing that supports the hub shell so as to be relatively rotatable with respect to the hub shaft.
[6] According to an example of the bicycle hub, the second current-carrying portion is a second bearing that supports the hub shell so as to be relatively rotatable with respect to the hub shaft.

[7] According to an example of the bicycle hub, the first energization part and the second energization part are arranged at an interval in the axial direction of the hub shaft.
[8] According to an example of the bicycle hub, the bicycle hub includes a first terminal connected to the first electrical contact.

[9] According to an example of the bicycle hub, the bicycle hub includes a second terminal connected to the third electrical contact.
[10] According to an example of the bicycle hub, the first terminal and the second terminal are disposed in the hub shell.

[11] According to an example of the bicycle hub, the bicycle hub further includes an insulating member disposed between the first energization part and the second energization part.
[12] According to one example of the bicycle hub, the insulating member holds at least one of the first terminal and the second terminal.

[13] According to an example of the bicycle hub, the insulating member and the first energizing portion sandwich the first terminal.
[14] According to one example of the bicycle hub, the hub shell closes the cylindrical portion, the first side portion closing the first opening portion of the cylindrical portion, and the second opening portion of the cylindrical portion. A second side portion including the first bearing mounting portion between the first side portion and the hub shaft; and the second side portion between the hub shaft and the second side portion. Including two bearing mounting portions, and the first side portion holds the insulating member.

  [15] According to one example of the bicycle hub, the second energization portion is at least partially disposed on the first bearing mounting portion, and the first side portion and the second energization portion are , Sandwich the second terminal.

[16] According to one example of the bicycle hub, the first side portion and the insulating member sandwich the second terminal.
[17] According to an example of the bicycle hub, the bicycle hub further includes a generator disposed in the hub shell.

  [18] According to one example of the bicycle power supply device, the bicycle hub, a converter that converts AC power generated by the generator into DC power, and the generator and the converter are electrically connected. A first wiring and a second wiring to be connected are provided.

  [19] According to one example of the bicycle power supply device, the third wiring for electrically connecting the converter and the first terminal, and the converter and the second terminal are electrically connected. And a fourth wiring.

[20] According to an example of the bicycle power supply device, the hub shaft includes a wiring housing portion that houses the first wiring and the second wiring.
[21] According to an example of the bicycle electric system, the bicycle electric power supply device and the electric component driven by the electric power generated by the generator are provided.

  [22] According to an example of the bicycle electric system, the electric component is a bicycle light-emitting device that can rotate integrally with a wheel.

  According to the bicycle hub, the bicycle power supply device, and the bicycle electric system, it is easy to ensure conduction between the hub shaft and the hub shell.

The side view of the bicycle carrying the electric system for bicycles of an embodiment. The block diagram which shows the electric constitution of the electric system for bicycles of FIG. The disassembled perspective view of the front wheel and light emission unit of the light-emitting device for bicycles of FIG. The front view of a 1st wheel cover. The rear view of a 1st wheel cover. The disassembled perspective view of the member attached to the 1st wheel cover of FIG. 3, and the 1st wheel cover. FIG. 4 is a front view of the light emitting unit in a state where a hub dynamo, a light transmitting cover, and a fixing member are omitted from the light emitting unit of FIG. 3. The disassembled perspective view of a light guide member, a reflective sheet, and a supporting member. The bottom view of the light guide member of FIG. The disassembled perspective view of a 1st wheel cover and a 1st light source unit. The side view which shows the positional relationship of a 1st light source unit, a 1st light guide member, and a 2nd light guide member. Sectional drawing of the light emission unit of FIG. FIG. 13 is an enlarged view of a part of the light emitting unit of FIG. 12. The rear view of a 1st wheel cover. The front view of a 1st wheel cover. The rear view of the 2nd wheel cover. The front view of a 2nd wheel cover. The longitudinal cross-sectional view of the hub dynamo of FIG. The disassembled perspective view of the terminal unit of FIG. The side view of the 1st terminal of FIG. The side view of the 2nd terminal of FIG. The disassembled perspective view of the armature of a hub dynamo of FIG. 18, and a 1st control mechanism. FIG. 23 is a perspective view of a state in which the first presser plate and the second presser plate of the first restricting mechanism are attached to the armature of FIG. 22. FIG. 24 is a perspective view of a state in which a lock nut is further attached to the first presser plate and the second presser plate of FIG. 23. FIG. 25 is a perspective view of a state in which a bearing holding member is attached to the first restriction mechanism of FIG. 24. The 1st bearing of FIG. 18, a 2nd bearing, and the enlarged view of the periphery. The top view which looked at the bracket of FIG. 18 from the axial direction. The front view of the light emission unit of the state which abbreviate | omitted the hub dynamo, the translucent cover, and the fixing member from the light emission unit of the light-emitting device for bicycles of a modification. The front view of the light emission unit of the state which abbreviate | omitted the hub dynamo, the translucent cover, and the fixing member from the light emission unit of the light-emitting device for bicycles of a modification. The front view of the light emission unit of the state which abbreviate | omitted the hub dynamo, the translucent cover, and the fixing member from the light emission unit of the light-emitting device for bicycles of a modification. The enlarged view of the 1st bearing of the hub dynamo of a modification, and its periphery.

With reference to FIG. 1 and FIG. 2, the structure of the bicycle 10 which mounts the electric system for bicycles is demonstrated.
As shown in FIG. 1, the bicycle 10 includes a vehicle body 12, a front wheel 14, and a rear wheel 16. In addition, the bicycle 10 is an electric system for bicycles, and a light emitting device 40 that is an example of a bicycle light emitting device that emits light from both side surfaces of the front wheel 14 and the rear wheel 16, and electric power that supplies power to the light emitting device 40. A supply device 170 is included. A tire 18 is attached to each of the front wheel 14 and the rear wheel 16.

  The vehicle body 12 includes a frame body 20, a front fork 22, and a handle 24. The front fork 22 and the handle 24 are respectively attached to the frame body 20.

  The front wheel 14 includes a rim 26 (see FIG. 3) to which the tire 18 is attached, a hub dynamo 180 as an example of a bicycle hub that is rotatably connected to the front fork 22, and a hub dynamo 180 and the rim 26. A plurality of spokes 28 (see FIG. 3). Hub dynamo 180 includes a generator that generates AC power by rotation of front wheel 14.

  The rear wheel 16 includes a hub 30 that is rotatably connected to the frame body 20, a rim (not shown) to which the tire 18 is attached, and a plurality of spokes (not shown) that connect the hub 30 and the rim.

  The light emitting device 40 can rotate integrally with the front wheel 14 and the rear wheel 16. The light emitting device 40 includes a light emitting unit 42 </ b> A that emits light on both side surfaces of the front wheel 14 and a light emitting unit 42 </ b> B that emits light on both side surfaces of the rear wheel 16.

  The light emitting unit 42A is attached to the front wheel 14 so as to cover all of the rim 26 and the plurality of spokes 28 of the front wheel 14 from both sides. The light emitting unit 42B is attached to the rear wheel 16 so as to cover all of the rim and the plurality of spokes of the rear wheel 16 from both sides.

  The power supply device 170 includes a hub dynamo 180 of the front wheel 14 and a control device 44 that controls the supply of power from the hub dynamo 180 to each of the light emitting units 42A and 42B. As described above, the bicycle electric system includes the power supply device 170 as an example of a bicycle power supply device and the light emitting device 40 as an example of an electric component that is driven by the electric power generated by the hub dynamo 180.

  As shown in FIG. 2, the power supply device 170 electrically connects the hub dynamo 180, the control device 44, and the light emitting units 42A and 42B. Accordingly, the AC power generated by the hub dynamo 180 is supplied to the light emitting units 42A and 42B through the control device 44.

  The light emitting unit 42 </ b> A includes a first light source unit 48, a second light source unit 50, a third light source unit 52, a fourth light source unit 54, and a drive circuit 56. The drive circuit 56 controls the supply of current from the control device 44 to the first light source unit 48. The drive circuit 56 includes a current limiter (not shown) that controls the current supplied to the first light source unit 48 to be equal to or less than a threshold value. The drive circuit 56 is covered with waterproof paint.

  The first light source unit 48 and the second light source unit 50 are arranged on one side surface of the front wheel 14 (see FIG. 3), and the third light source unit 52 and the fourth light source unit 54 are the other side of the front wheel 14. Located on the side.

  The first light source unit 48 includes a first light source 58, a second light source 60, and a first mounting board 62 on which the first light source 58 and the second light source 60 are mounted. The second light source unit 50 includes a third light source 64, a fourth light source 66, and a second mounting substrate 68 on which the third light source 64 and the fourth light source 66 are mounted. The third light source unit 52 includes a first light source 70, a second light source 72, and a first mounting board 74 on which the first light source 70 and the second light source 72 are mounted. The fourth light source unit 54 includes a third light source 76, a fourth light source 78, and a second mounting substrate 80 on which the third light source 76 and the fourth light source 78 are mounted. Each of the light source units 48, 50, 52, 54 is covered with a waterproof paint. Thus, the light emitting device 40 includes the light source L that can rotate integrally with the front wheel 14. The light source L includes a first light source unit 48, a second light source unit 50, a third light source unit 52, and a fourth light source unit 54. For this reason, the light source L includes a first light source 58 and a second light source 60. The light source L includes a first light source 70 and a second light source 72. The light source L includes a third light source 64 as a first light source and a fourth light source 66 as a second light source. The light source L includes a third light source 76 as a first light source and a fourth light source 78 as a second light source. Further, as described above, the light emitting device 40 includes the driving circuit 56 that can rotate integrally with the front wheel 14 and supplies a current to the light source L.

  Each light source 58, 60, 64, 66, 70, 72, 76, 78 is a light emitting diode, for example. Each light source 58, 60, 64, 66, 70, 72, 76, 78 may be an EL lamp, a halogen bulb, an incandescent bulb, a neon lamp, or the like.

  As shown in FIG. 2, the light emitting unit 42B has the same configuration as the light emitting unit 42A, and includes a first light source unit 48, a second light source unit 50, a third light source unit 52, a fourth light source unit 54, And the drive circuit 56 is included.

  The control device 44 includes a converter 82 that converts AC power generated by the generator of the hub dynamo 180 into DC power, a capacitor 84 that is an example of a power storage unit that stores the power of the converter 82, and the light emitting unit 42A from the capacitor 84. , 42B includes a control unit 86 for controlling the supply of power. An example of the capacitor 84 is an electric double layer capacitor. The power storage unit may be a rechargeable battery such as a lithium ion battery.

  The power supply device 170 is an example of a wiring group 46A that is an example of wiring that supplies current to the light sources 58, 60, 64, and 66, and wiring that supplies current to the light sources 70, 72, 76, and 78. A wiring group 46B is provided. The control device 44 is electrically connected to the light emitting unit 42A through the wiring group 46A, and is electrically connected to the light emitting unit 42B through the wiring group 46B.

  The wiring group 46A includes a first wiring 88, a second wiring 90, a third wiring 92, a fourth wiring 94, a fifth wiring 96, a sixth wiring 98, and a seventh wiring 100. . The first wiring 88 and the seventh wiring 100 electrically connect the control device 44 and the drive circuit 56 of the light emitting unit 42A. The second wiring 90 electrically connects the drive circuit 56 and the first light source unit 48. The third wiring 92 electrically connects the first light source unit 48 and the second light source unit 50. The fourth wiring 94 electrically connects the second light source unit 50 and the third light source unit 52. The fifth wiring 96 electrically connects the third light source unit 52 and the fourth light source unit 54. The sixth wiring 98 electrically connects the fourth light source unit 54 and the drive circuit 56.

  The wiring group 46B includes a first wiring 102, a second wiring 104, a third wiring 106, a fourth wiring 108, a fifth wiring 110, a sixth wiring 112, and a seventh wiring 114. . As shown in FIG. 2, the connection mode between the control device 44 and the drive circuit 56 of the light emitting unit 42B by the wiring group 46B, and the connection between the light source units 48, 50, 52, and 54 of the light emitting unit 42B and the drive circuit 56. The mode is the same as that of the wiring group 46A.

The operation of the light emitting device 40 will be described.
As the front wheel 14 rotates, the hub dynamo 180 generates AC power. The AC power of the hub dynamo 180 is supplied to the control device 44 and is converted into DC power by the converter 82. The direct current power is supplied to the capacitor 84 and also to the drive circuit 56 of the light emitting units 42A and 42B. At this time, the capacitor 84 is charged with DC power. The drive circuit 56 of the light emitting units 42A and 42B is a direct current power in the order of the first light source unit 48, the second light source unit 50, the third light source unit 52, and the fourth light source unit 54 of the light emitting units 42A and 42B. Supply. Thereby, each light source 58, 60, 64, 66, 70, 72, 76, 78 emits light. As described above, the hub dynamo 180 generates power by rotating the front wheel 14 and supplies the generated power to the light sources 58, 60, 64, 66, 70, 72, 76, 78. The converter 82 converts the AC power generated by the hub dynamo 180 into DC power and supplies it to the light sources 58, 60, 64, 66, 70, 72, 76, 78.

  As the rotation of the front wheel 14 stops, when the generation of AC power by the hub dynamo 180 stops, AC power is no longer supplied from the hub dynamo 180 to the controller 44. On the other hand, the capacitor 84 of the control device 44 is charged with DC power, and the DC power is output to the drive circuits 56 of the light emitting units 42A and 42B. Thereby, the light emission of each light source 58, 60, 64, 66, 70, 72, 76, 78 is maintained over a certain period in which the capacitor 84 outputs DC power even after the rotation of the front wheel 14 is stopped.

  Next, a detailed configuration of the light emitting unit 42A will be described with reference to FIGS. Note that the configuration of the light emitting unit 42B is the same as the configuration of the light emitting unit 42A, and a description thereof will be omitted.

  As shown in FIG. 3, the light emitting unit 42 </ b> A includes a first wheel cover 116 </ b> A that is an example of a holding member that covers one side surface of the front wheel 14, and a holding member that covers the other side surface of the front wheel 14. 2nd wheel cover 116B which is an example. Each wheel cover 116 </ b> A, 116 </ b> B can rotate integrally with the front wheel 14.

  The first wheel cover 116 </ b> A and the second wheel cover 116 </ b> B are symmetrical with respect to the front wheel 14. Each wheel cover 116A, 116B is formed of a resin material. Each wheel cover 116 </ b> A, 116 </ b> B has a disk shape that can cover at least a part of the front wheel 14. The first wheel cover 116A and the second wheel cover 116B are fastened to each other by four bolts 118 and four nuts 120.

  In the following description, the same reference numerals are used for the constituent elements of the first wheel cover 116A and the second wheel cover 116B, and the description of the configuration of the second wheel cover 116B is omitted.

  The first wheel cover 116 </ b> A includes an annular cover main body 122, a hub fitting portion 124 that extends from the inner peripheral edge of the cover main body 122 to the inner peripheral side, and a rim attachment portion 126 that extends from the outer peripheral edge of the cover main body 122 to the outer peripheral side. including.

  The cover main body 122 covers the spokes 28 of the front wheel 14. The cover body 122 is inclined so as to approach the center direction of the rotation axis (hereinafter, “axial direction”) of the front wheel 14 from the inner periphery to the outer periphery of the cover body 122.

  The hub fitting portion 124 includes a cylindrical portion 124A and an annular flange 124B extending from the tip of the cylindrical portion 124A to the inner peripheral side. A hub dynamo 180 is fitted into the hub fitting portion 124.

  The rim attachment portion 126 has a plane orthogonal to the axial direction of the front wheel 14. As shown in FIG. 4, a holding portion 128 that is an annular groove is formed on the surface side of the rim attachment portion 126.

  Mounting holes 126A that penetrate the rim mounting portion 126 in the axial direction are formed at four locations in the rim mounting portion 126 that are spaced apart in the circumferential direction. Each of the attachment holes 126A is formed as a pair of holes. One of the pair of holes is formed on the radially inner side of the holding portion 128, and the other of the pair of holes is formed on the radially outer side of the holding portion 128. The mounting holes 126A are formed at 90 ° intervals.

  A first substrate holding portion 126B and a second substrate holding portion 126C are formed at two locations spaced apart in the circumferential direction in the rim attachment portion 126. The first substrate holding portion 126B and the second substrate holding portion 126C are formed so as to be at the same position in the circumferential direction as two locations of the four mounting holes 126A. Each of the substrate holders 126B and 126C is a recess and is formed so as to cross the holder 128.

  In the holding portion 128, a first insertion hole 126D and a second insertion hole 126E are formed on both sides in the circumferential direction of the first substrate holding portion 126B, and a third insertion hole is formed on both sides in the circumferential direction of the second substrate holding portion 126C. 126F and a fourth insertion hole 126G are formed.

  As shown in FIG. 5, on the back side of the cover main body 122, there are four insertion portions 130 into which bolts 118 and nuts 120 (both see FIG. 3) are inserted, and a drive circuit 56 (see FIG. 2). A support wall 134, which is an example of a drive circuit holding unit that supports the drive substrate 132 (see FIG. 12) to be formed, is included. The insertion portion 130 is a cylinder extending in the axial direction from the cover main body 122. The support wall 134 is formed at substantially the same position as the first substrate holding part 126B in the circumferential direction. The support wall 134 is a plate extending in the axial direction from the cover main body 122.

  The light emitting device 40 includes a light guide member LG that guides light from the light source L. The light guide member LG can rotate integrally with the front wheel 14. The first wheel cover 116A can hold the light guide member LG and the light source L. As an example, as shown in FIG. 6, the holding portion 128 of the rim mounting portion 126 includes a first light source unit 48, a second light source unit 50, a first light guide member 136, and a second light guide member. 138, the third light guide member 140, and the fourth light guide member 142 are held. The holding unit 128 holds the first reflection sheet 144, the second reflection sheet 146, the first support member 148, and the second support member 150. The light guide member LG includes a first light guide member 136, a second light guide member 138, a third light guide member 140, and a fourth light guide member 142.

  As shown in FIG. 7, the first light guide member 136 guides light from the first light source 58, the second light guide member 138 guides light from the second light source 60, The third light guide member 140 guides light from the third light source 64, and the fourth light guide member 142 guides light from the fourth light source 66.

As illustrated in FIG. 6, the holding unit 128 holds the first light-transmitting cover 152, the second light-transmitting cover 154, the third light-transmitting cover 156, and the fourth light-transmitting cover 158.
Each light guide member 136,138,140,142 and each light transmission cover 152,154,156,158 are formed of the resin material which has translucency. Each of the translucent covers 152, 154, 156, and 158 is preferably formed of a colorless and transparent resin material. Further, each of the translucent covers 152, 154, 156, and 158 can be omitted. Each light guide member 136,138,140,142 and each light transmission cover 152,154,156,158 are arranged along the circumferential direction of the front wheel 14 (refer FIG. 3). Each light guide member 136, 138, 140, 142 extends in a predetermined direction. An example of the predetermined direction is the circumferential direction.

  As shown in FIG. 6, the shape of each light guide member 136, 138, 140, 142 and each light transmitting cover 152, 154, 156, 158 is an arc shape when viewed from the axial direction. The light guide members 136, 138, 140, and 142 have the same size and shape, and the translucent covers 152, 154, 156, and 158 have the same size and shape. Each translucent cover 152, 154, 156, 158 has a U-shape when viewed from the circumferential direction. That is, the cross-sectional shape of each translucent cover 152,154,156,158 is U-shaped. The shapes of the reflecting sheets 144 and 146 and the supporting members 148 and 150 are semicircular when viewed from the axial direction.

  The light transmitting covers 152, 154, 156, and 158 are arranged along the circumferential direction to form an annular ring. Therefore, the first light source unit 48 is covered by the first light-transmitting cover 152 and the second light-transmitting cover 154. The second light source unit 50 is covered by the third translucent cover 156 and the fourth translucent cover 158. Therefore, the light source unit 48 is disposed in the vicinity of the adjacent end surfaces of the first light transmitting cover 152 and the second light transmitting cover 154, and the third light transmitting cover 156 and the fourth light transmitting cover 158 are adjacent to each other. The light source unit 50 is disposed close to the end face.

The first fixing member 160, the second fixing member 162, the third fixing member 164, and the fourth fixing member 166 are attached to the four attachment holes 126A of the rim attachment portion 126.
Each fixing member 160, 162, 164, 166 is formed with a pair of hook-shaped claws 160A, 162A, 164A, 166A. The fixing members 160, 162, 164, and 166 are attached to the rim attachment portion 126 by fitting the pair of claws 160 </ b> A, 162 </ b> A, 164 </ b> A, 166 </ b> A into the pair of holes of the four attachment holes 126 </ b> A. The first fixing member 160 covers a boundary portion between the first translucent cover 152 and the second translucent cover 154. The second fixing member 162 covers the boundary portion between the third translucent cover 156 and the fourth translucent cover 158. The third fixing member 164 covers a boundary portion between the first light transmitting cover 152 and the third light transmitting cover 156. The fourth fixing member 166 covers a boundary portion between the second translucent cover 154 and the fourth translucent cover 158. Since each fixing member 160, 162, 164, 166 fixes each translucent cover 152, 154, 156, 158 to the holding portion 128, each light guide member 136, 138, 140, 142 is attached to the first wheel cover 116A. Fixed. As described above, the light emitting device 40 includes the fixing member B that covers the light source L and fixes the light guide member LG to the holding members (respective cover wheels 116A and 116B). The fixing member B includes a first fixing member 160 and a second fixing member 162.

The first mounting board 62 is attached to the first board holding part 126B of the rim attaching part 126, and the second mounting board 68 is attached to the second board holding part 126C.
As shown in FIG. 7, the second light guide member 138 is disposed at a distance from the first light guide member 136. The fourth light guide member 142 is disposed at a distance from the third light guide member 140.

  In the circumferential direction, the first mounting substrate 62 is disposed between the first light guide member 136 and the second light guide member 138. A first light source 58 is mounted on one main surface 62A of the first mounting substrate 62, and a second light source 60 is mounted on the other main surface 62B of the first mounting substrate 62. In the circumferential direction, the second mounting substrate 68 is disposed between the third light guide member 140 and the fourth light guide member 142. A third light source 64 is mounted on one main surface 68 </ b> A of the second mounting substrate 68, and a fourth light source 66 is mounted on the other main surface 68 </ b> B of the second mounting substrate 68. The first mounting substrate 62 is located at the boundary between the first light transmitting cover 152 and the second light transmitting cover 154 (both see FIG. 6), and the second mounting substrate 68 is the third light transmitting cover 156. And the fourth translucent cover 158 (both see FIG. 6). In addition, you may provide the mounting board | substrate which mounts each 1st-4th light source 58, 60, 64, 66 separately.

  As shown in FIG. 8, the first light guide member 136 is supported by the first support member 148, and the second light guide member 138 is supported by the second support member 150. The first reflection sheet 144 is attached to the support surface 148A of the first support member 148, and the second reflection sheet 146 is attached to the support surface 150A of the second support member 150. Although not shown in FIG. 8, the third light guide member 140 is supported by the second support member 150, and the fourth light guide member 142 is supported by the first support member 148.

  The light guide member LG includes an incident surface LG1 on which light from the light source L is incident, a reflective surface LG2 that reflects light incident from the incident surface LG1, and a light emitting surface LG3 that faces the reflective surface LG2. For example, as shown in FIG. 8, the first light guide member 136, which is an example of the light guide member LG, is a first incident surface LG1 on which light from the first light source 58 (see FIG. 7) is incident. It includes an incident surface 136A, a first reflecting surface 136B that is a reflecting surface LG2 that reflects light incident from the first incident surface 136A, and a first light emitting surface 136C that is a light emitting surface LG3 that faces the first reflecting surface 136B. The first incident surface 136A is formed as one end surface of the first light guide member 136 in the circumferential direction. As shown in FIG. 8, the first incident surface 136 </ b> A is provided only at one end in the circumferential direction that is the longitudinal direction of the first light guide member 136. The first reflecting surface 136B is inclined so as to approach the first light emitting surface 136C from the first incident surface 136A toward the other end surface in the circumferential direction of the first light guide member 136. The first light emitting surface 136C forms a plane orthogonal to the axial direction. For this reason, the thickness of the first light guide member 136 decreases in the circumferential direction, which is the longitudinal direction, from one end of the first light guide member 136 toward the other end.

  As shown in FIG. 9, the first reflective surface 136B includes a reflective pattern 136D. The density distribution of the reflection pattern 136 </ b> D varies along the circumferential direction that is the longitudinal direction of the first light guide member 136. The reflection pattern 136D is white dots printed on the first reflection surface 136B. The density of the reflection pattern 136D is the number of dots per unit area.

  The first light guide member 136 has, on the first reflecting surface 136B, the first region R1 on one end side in the circumferential direction that is the longitudinal direction of the first light guide member 136, and the first light guide member 136. The second region R2 on the other end side in the circumferential direction and the third region R3 between the first region R1 and the second region R2 in the first light guide member 136 are included. The density of the reflection pattern 136D in the third region R3 is lower than the density of the reflection pattern 136D in the first region R1 and the density of the reflection pattern 136D in the second region R2. As shown in FIG. 9, the reflection pattern 136 </ b> D is formed so that the density of the reflection pattern 136 </ b> D gradually decreases from both circumferential ends of the first light guide member 136 toward the central portion in the circumferential direction. Further, the reflection pattern 136D may be an unevenness formed on the reflection surface LG2 or a reflection sheet attached to the reflection surface LG2. In short, it is only necessary that the reflective surface LG2 be formed so that the light from the light source L is reflected toward the light emitting surface LG3.

  As shown in FIG. 8, the second light guide member 138 reflects the light incident from the second incident surface 138A and the second incident surface 138A on which the light from the second light source 60 (see FIG. 7) is incident. A second reflecting surface 138B, and a second light emitting surface 138C facing the second reflecting surface 138B. The second incident surface 138 </ b> A is formed as one end surface in the circumferential direction of the second light guide member 138. As shown in FIG. 8, the second incident surface 138 </ b> A is provided only at one end in the circumferential direction that is the longitudinal direction of the second light guide member 138. The second reflecting surface 138B is inclined so as to approach the second light emitting surface 138C from the second incident surface 138A toward the other end surface in the circumferential direction of the second light guide member 138. The second light emitting surface 138C forms a plane orthogonal to the axial direction. For this reason, the thickness of the second light guide member 138 decreases in the circumferential direction, which is the longitudinal direction, from one end of the second light guide member 138 toward the other end. The reflection pattern of the second reflection surface 138B has the same shape as the reflection pattern 136D of the first reflection surface 136B shown in FIG.

  The first support member 148 includes a support surface 148A and an arrangement surface 148B facing the support surface 148A. The arrangement surface 148B forms a plane orthogonal to the axial direction. In the first support member 148, the support surface 148A is inclined so as to move away from the arrangement surface 148B from one end portion of the first support member 148 toward the central portion in the circumferential direction of the first support member 148. Yes. Therefore, the thickness of the first support member 148 increases from one end portion of the first support member 148 toward the center portion in the circumferential direction of the first support member 148. Although not shown in FIG. 8, the thickness of the first support member 148 decreases from the circumferential center of the first support member 148 toward the other end of the first support member 148. To do.

  The second support member 150 includes a support surface 150A and an arrangement surface 150B that faces the support surface 150A. The support surface 150A and the arrangement surface 150B have the same configuration as the support surface 148A and the arrangement surface 148B of the first support member 148. In addition, the thickness of the 1st reflection sheet 144 and the thickness of the 2nd reflection sheet 146 are uniform in the circumferential direction, and are mutually equal.

  As shown in FIG. 10, the first mounting board 62 is disposed on the first board holding portion 126B so that the main surfaces 62A and 62B are parallel to the axial direction. For this reason, as shown in FIG. 11, the main surfaces 62A and 62B are opposed to the first incident surface 136A and the second incident surface 138A. Therefore, the first light source 58 and the second light source 60 are disposed between the first incident surface 136A and the second incident surface 138A. The first mounting substrate 62 is disposed between the first incident surface 136A and the second incident surface 138A.

  The light source L can be mounted such that its optical axis faces a direction different from the rotation axis of the front wheel 14 (see FIG. 3). The optical axis of the light source L is substantially parallel to the direction orthogonal to the rotation axis of the front wheel 14. As shown in FIG. 11, the first light source 58 is disposed so that the optical axis (one-dot chain line) intersects the first incident surface 136A, and the second light source 60 is disposed on the second incident surface 138A with the optical axis ( Are arranged so as to intersect each other. The optical axis of the first light source 58 is orthogonal to the first incident surface 136A, and the optical axis of the second light source 60 is orthogonal to the second incident surface 138A.

  As shown in FIG. 6, the third light guide member 140 and the fourth light guide member 142 have the same shape as the first light guide member 136 and the second light guide member 138. In addition, as shown in FIG. 7, the third light guide member 140 and the fourth light guide member 142, the third light source 64, the fourth light source 66, and the second mounting substrate 68 are arranged. The relationship is the same as the positional relationship between the first light guide member 136 and the second light guide member 138, the first light source 58, the second light source 60, and the first mounting substrate 62.

  As shown in FIG. 12, in a state in which the first wheel cover 116A and the second wheel cover 116B are assembled to each other, the drive board 132 has the cover body 122 and the second wheel cover of the first wheel cover 116A. It is sandwiched between the cover main body 122 of 116B. For this reason, the drive substrate 132 is accommodated in the internal space formed by the first wheel cover 116A and the second wheel cover 116B. As a result, the drive board 132 is held so as to be rotatable integrally with the front wheel 14. The drive board 132 is fixed to the support wall 134 of the first wheel cover 116A, for example, by screws (not shown). The support wall 134 which is an example of the drive circuit holding unit holds the drive board 132 of the drive circuit 56 along the rotation axis direction of the front wheel 14 (see FIG. 3).

  FIG. 13 shows a state in which the fourth light guide member 142, the second reflection sheet 146, the second support member 150, the fourth light transmission cover 158, and the third wiring 92 are held by the holding unit 128. Is shown.

  As illustrated in FIG. 13, the holding unit 128 includes a first holding unit 128A, a second holding unit 128B, and a third holding unit 128C. A first holding part 128A, a second holding part 128B, and a third holding part 128C are formed in this order from the front side to the back side of the first wheel cover 116A. In addition, the radial width of the first holding portion 128A, the radial width of the second holding portion 128B, and the radial width of the third holding portion 128C become smaller in this order.

  A fourth translucent cover 158 is fitted into the first holding portion 128A. A fourth light guide member 142, a second reflection sheet 146, and a second support member 150 are disposed in the first holding unit 128A and the second holding unit 128B. As shown in FIG. 13, the fourth light guide member 142 is disposed in the fourth light transmitting cover 158 and is covered with the fourth light transmitting cover 158 in the axial direction and the radial direction. Note that, at one end portion in the circumferential direction of the fourth light guide member 142, a part of the fourth light guide member 142 protrudes toward the second holding portion 128 </ b> B from the fourth light transmitting cover 158. In addition, a central portion in the circumferential direction of the second support member 150 has a portion disposed in the fourth translucent cover 158. A third wiring 92 is disposed in the third holding portion 128C. The other light guide member, reflection sheet, support member, translucent cover, and wiring group are similarly held by the holding unit 128. As described above, the first wheel cover 116A includes the third holding portion 128C as a wiring holding portion that holds the wiring. As shown in FIG. 13, the light guide member can be attached to the first wheel cover 116 </ b> A so as to overlap the wiring when viewed from the rotation axis direction of the front wheel 14 (see FIG. 3). The wiring holding part can hold the wiring along the circumferential direction of the front wheel 14 (see FIG. 3).

Next, the wiring in each wheel cover 116A, 116B by the wiring group 46A will be described.
As shown in FIG. 14, on the back side of the first wheel cover 116A, the first wiring 88 and the seventh wiring 100 connected to the control device 44 (see FIG. 2) are connected to the hub dynamo 180 and the hub. It is connected to the drive substrate 132 through the joint portion 124. The first wiring 88 is connected to one main surface 132A of the driving substrate 132, and the seventh wiring 100 is connected to the other main surface 132B of the driving substrate 132. The second wiring 90 is connected to one main surface 132A of the driving substrate 132, and the sixth wiring 98 is connected to the other main surface 132B of the driving substrate 132. The second wiring 90 is inserted into the first insertion hole 126D.

  As shown in FIG. 15, the second wiring 90 is drawn out to the holding portion 128 (third holding portion 128C) on the surface side of the first wheel cover 116A through the first insertion hole 126D. The second wiring 90 is connected to one main surface 62 </ b> A of the first mounting substrate 62. A third wiring 92 is connected to the other main surface 62B of the first mounting substrate 62. As shown in FIG. 15, the third wiring 92 is wired in a semicircular region of the third holding portion 128 </ b> C when viewed from the axial direction, and is connected to the other main surface 68 </ b> B of the second mounting substrate 68. Yes. A fourth wiring 94 is connected to one main surface 68 </ b> A of the second mounting substrate 68. The fourth wiring 94 is inserted into the third insertion hole 126F and pulled out to the back surface of the second wheel cover 116B (see FIG. 16) through the back surface side of the first wheel cover 116A as shown in FIG. It is.

As shown in FIG. 16, the fourth wiring 94 is inserted into the first insertion hole 126D from the back side of the second wheel cover 116B.
As shown in FIG. 17, the fourth wiring 94 is drawn out to the surface side of the second wheel cover 116B through the first insertion hole 126D. The fourth wiring 94 is connected to one main surface 74 </ b> A of the first mounting substrate 74 of the third light source unit 52. A fifth wiring 96 is connected to the other main surface 74 </ b> B of the first mounting substrate 74. As shown in FIG. 17, the fifth wiring 96 is wired in the semicircular region of the third holding portion 128C of the second wheel cover 116B, and the second mounting board 80 of the fourth light source unit 54 is arranged. It is connected to the other main surface 80B. A sixth wiring 98 is connected to one main surface 80A of the second mounting substrate 80. The sixth wiring 98 is inserted into the third insertion hole 126F and passes through the back side of the second wheel cover 116B to the back side of the first wheel cover 116A shown in FIG. 14 as shown in FIG. Pulled out. Then, as shown in FIG. 14, the drive substrate 132 is connected to the other main surface 132 </ b> B.

Next, a detailed configuration of the hub dynamo 180 for supplying power to the light emitting unit 42A having the above-described configuration will be described with reference to FIGS.
The hub dynamo 180 includes a hub shell 182 that is attached with a plurality of spokes 28 (see FIG. 3) of the front wheel 14 and rotates integrally with the front wheel 14. A hub shaft 184 that is fixed to the front fork 22 (see FIG. 1) is inserted into the hub shell 182. The hub shell 182 is supported so as to be rotatable relative to the hub shaft 184. The hub shaft 184 extends in the axial direction. The hub shaft 184 is formed with a groove-shaped wiring housing portion 186 extending from one end portion in the axial direction of the hub shaft 184 toward the other side. Further, a first screw portion 188 and a second screw portion 190 are formed in a portion of the hub shaft 184 spaced apart in the axial direction.

  Between the hub shell 182 and the hub shaft 184, a first bearing 192, a second bearing 194, and a third bearing 196 that support the hub shell 182 so as to be rotatable relative to the hub shaft 184 are disposed. Yes. Each bearing 192, 194, 196 is a ball bearing. In addition, as long as each bearing 192,194,196 is a rolling bearing, it may replace with a ball bearing and other bearings, such as a roller bearing. The first bearing 192 and the second bearing 194 are disposed at one end of the hub shell 182 in the axial direction, and the third bearing 196 is disposed at the other end of the hub shell 182 in the axial direction. Yes. As shown in FIG. 18, the first bearing 192 and the second bearing 194 are spaced apart in the axial direction of the hub shaft 184.

  Between the hub shell 182 and the hub shaft 184, a first seal member 198 that seals between one end of the hub shell 182 and the hub shaft 184, and the other end of the hub shell 182 and the hub shaft 184, A second seal member 200 that seals between the two is attached.

The hub shell 182 is formed in a cylindrical shape having a sealed internal space, and includes a housing 202 and a bracket 204.
The housing 202 is made of, for example, a metal material. The housing 202 (hub shell 182) includes a cylindrical portion 206 extending in the axial direction, and a side wall 208 provided at an end portion of the cylindrical portion 206 in the axial direction. The bracket 204 is attached to one end of the cylindrical portion 206 in the axial direction. Here, the bracket 204 constitutes a first side that closes the first opening 206 </ b> A on one side in the axial direction of the cylindrical portion 206, and the side wall 208 is a second opening on the other side in the axial direction of the cylindrical portion 206. A second side portion that closes the portion 206B is formed. In FIG. 18, the cylindrical portion 206 and the side wall 208 are formed by a single member. However, the cylindrical portion 206 and the side wall 208 that are individually formed are assembled by screw fixing, welding, or adhesion. Also good. The housing 202 may be formed of a resin material.

  The side wall 208 which is the second side portion includes a second bearing mounting portion 208 </ b> A between the side wall 208 and the hub shaft 184. The second bearing mounting portion 208 </ b> A is provided between the other end portion of the hub shell 182 and the other end portion of the hub shaft 184. A third bearing 196 is at least partially supported by the second bearing mounting portion 208A. The second seal member 200 is attached to the second bearing attachment portion 208A.

  The third bearing 196 includes an inner ring 210 that is screwed into the second screw portion 190, an outer ring 212 that is disposed with a gap from one axial end of the inner ring 210, and the inner ring 210 and the outer ring 212. And a plurality of rolling elements 214 disposed between them.

  A generator is disposed in the hub shell 182. Specifically, in the housing 202, an armature 216, four permanent magnets 218, and a cylindrical back yoke 220, which are components of the generator in the hub dynamo 180, are accommodated. The four permanent magnets 218 are arranged so that the north and south poles alternate in the circumferential direction. The permanent magnet 218 may be a single ring-shaped permanent magnet, or may be configured such that two, three, or five or more permanent magnets are arranged in the circumferential direction.

  The armature 216 is a cropol-type armature. The armature 216 includes a cylindrical bobbin 222 and a coil 224 formed by winding a conductive wire around the bobbin 222. The armature 216 includes a plurality of first claws 226 extending from one end portion in the axial direction of the bobbin 222 toward the other end portion, and one end portion from the other end portion in the axial direction of the bobbin 222. A plurality of second claws 228 extending toward the top. The plurality of first claws 226 and the plurality of second claws 228 are magnetic bodies, and are attached to the bobbin 222 so as to be alternately arranged in the circumferential direction.

  The armature 216 is sandwiched in the axial direction by the first restriction mechanism 230 and the second restriction mechanism 232, whereby the position in the axial direction relative to the hub shaft 184 is determined and the movement in the axial direction is restricted.

  The first restricting mechanism 230 includes a first presser plate 234 that contacts one end of the bobbin 222 in the axial direction, a second presser plate 236 that is fixed to the first presser plate 234, and the bobbin 222. It includes a lock nut 238 that sandwiches each presser plate 234, 236.

  The second restricting mechanism 232 includes a press plate 240 serving as an annular plate that contacts the other end of the bobbin 222 in the axial direction, and a lock nut 242 that sandwiches the press plate 240 with the bobbin 222. The lock nut 242 is fixed to the hub shaft 184.

  The back yoke 220 is a magnetic body and is fixed to the cylindrical portion 206 of the housing 202. Four arc-shaped permanent magnets 218 are fixed to the inner peripheral surface of the back yoke 220. The four permanent magnets 218 are arranged in the circumferential direction and face the first claw 226 and the second claw 228 with a gap therebetween.

  The bracket 204 is made of a metal material such as aluminum. The bracket 204, which is an example of the first side portion, includes a first bearing mounting portion 244 between the hub shaft 184 and the bracket 204. The first bearing mounting portion 244 is provided between one end portion of the hub shell 182 and one end portion of the hub shaft 184. As shown in FIG. 18, the first bearing 192 and the second bearing 194 are at least partially supported by the first bearing mounting portion 244. A first seal member 198 is attached to the first bearing attachment portion 244. Note that the bracket 204 may be formed of a resin material.

  The first bearing attachment portion 244 includes a first attachment portion 244A to which the first bearing 192 is attached and a second attachment portion 246 to which the second bearing 194 is attached. The first mounting portion 244A and the second mounting portion 246 are formed so as to be adjacent in the axial direction.

  The first bearing 192 includes an inner ring 248 indirectly supported by the hub shaft 184, an outer ring 250 disposed at a distance from the inner ring 248 and indirectly supported by the first mounting portion 244A, and an inner ring. A plurality of rolling elements 252 disposed between H.248 and outer ring 250 are included. The inner ring 248, the outer ring 250, and the plurality of rolling elements 252 are made of metal.

  The second bearing 194 includes an inner ring 254 fixed to the hub shaft 184, an outer ring 256 disposed with a gap from the inner ring 254 and attached to the second mounting portion 246, and between the inner ring 254 and the outer ring 256. A plurality of rolling elements 258 disposed on the surface. The inner ring 254, the outer ring 256, and the plurality of rolling elements 258 are made of metal.

  A first restricting member 260 and a second restricting member 262 are fixed to both sides in the axial direction of the inner ring 254 in the hub shaft 184. The first restricting member 260 is screwed into the first screw portion 188 of the hub shaft 184. Thereby, the axial movement of the inner ring 254 is restricted.

  Inside the hub shell 182, a terminal unit 264 that is attached to the first bearing mounting portion 244 and holds the outer ring 250 of the first bearing 192, and an inner ring 248 of the first bearing 192 that is attached to the hub shaft 184. A bearing holding member 266 to be held is accommodated. Thereby, the bracket 204 which is a 1st side part is holding the terminal holding member 272 which is an example of an insulating member.

As shown in FIG. 18, the terminal unit 264 constitutes a part of the first wiring 88 and the seventh wiring 100 for electrically connecting the control device 44 and the drive board 132.
As shown in FIG. 19, the terminal unit 264 includes a first terminal 268, a second terminal 270, and a cylindrical terminal holding member 272 that holds the first terminal 268 and the second terminal 270. Including. As shown in FIG. 18, the first terminal 268 and the second terminal 270 are disposed in the hub shell 182.

  The terminal holding member 272 is made of an electrically insulating resin material. The terminal holding member 272 includes a cylindrical portion 274 and a flange 276 that extends from the axial end of the cylindrical portion 274 to the inner peripheral side. A first mounting portion 274A for mounting the first terminal 268 is formed on the inner peripheral side of the cylindrical portion 274, and a second for mounting the second terminal 270 on the outer peripheral side of the cylindrical portion 274. A mounting portion 274B is formed. The first attachment portion 274A and the second attachment portion 274B are formed at intervals in the circumferential direction. The first attachment portion 274A is a groove in which the outer peripheral portion of the cylindrical portion 274 is recessed toward the inner peripheral side, and the second attachment portion 274B is a groove in which the inner peripheral portion of the cylindrical portion 274 is recessed toward the outer peripheral side. As illustrated in FIG. 18, the terminal holding member 272 that is an example of an insulating member is disposed between the first bearing 192 and the second bearing 194. The terminal holding member 272 can electrically insulate the first bearing 192 and the second bearing 194.

  The first terminal 268 is fixed, for example, by welding or adhesion at the first attachment portion 274A. The second terminal 270 is detachably attached at the second attachment portion 274B. Thereby, the terminal holding member 272 holds the first terminal 268.

  As shown in FIG. 20, the first terminal 268 is formed in an L shape by bending. At one end of the first terminal 268, a slightly bent contact portion 268A is formed.

  As shown in FIG. 21, the second terminal 270 is formed by bending. The second terminal 270 includes a first bent portion 270A, a second bent portion 270B, and a third bent portion 270C that are bent substantially at a right angle. A slightly bent contact portion 270 </ b> D is formed at one end portion of the second terminal 270.

Next, detailed configurations of the bearing holding member 266 and the first restriction mechanism 230 will be described with reference to FIGS. 22 to 25.
As shown in FIG. 22, the bearing holding member 266 includes a first cylindrical portion 278, a second cylindrical portion 280 having an outer diameter larger than that of the first cylindrical portion 278, and the first cylindrical portion 278 and the second cylindrical portion 280. And a flange 282 for connecting the two in a radial direction. A terminal 284 is attached to the bearing holding member 266.

  The first cylindrical portion 278 is formed with a terminal attachment portion 278A that is a groove for attaching the terminal 284. A notch 280 </ b> A is formed in a part of the distal end of the second cylindrical portion 280 in the circumferential direction. Four through holes 282A are formed in the flange 282 so as to penetrate the flange 282 in the axial direction. The four through holes 282A are formed at 90 ° intervals.

  The first pressing plate 234 of the first regulating mechanism 230 is formed with a shaft insertion hole 234A into which the hub shaft 184 is inserted, and an insertion hole 234B in which a part of the circumferential direction of the shaft insertion hole 234A extends in the radial direction. .

  In the first pressing plate 234, four openings 234C and two fixing holes 234D are formed at an outer peripheral portion than the shaft insertion hole 234A with a gap in the circumferential direction. The four openings 234C are formed at intervals of 90 °, and the two fixing holes 234D are formed at intervals of 180 °. Each fixing hole 234D is formed between openings 234C adjacent in the circumferential direction.

  Three detent portions 234E are formed on the outer peripheral portion of the first pressing plate 234 at intervals in the circumferential direction. The rotation preventing portion 234E is a claw bent from the outer peripheral edge of the first presser plate 234.

  The second presser plate 236 is disposed on a part of the hub shaft 184 in the circumferential direction. The second presser plate 236 is formed with a shaft insertion portion 236B that penetrates the plate main body 236A in the axial direction and into which the hub shaft 184 is inserted. The second pressing plate 236 is formed with a pair of extension portions 236C that are continuous from the shaft insertion portion 236B and extend from the plate body 236A so as to surround the hub shaft 184.

  In the plate body 236A, two openings 236D extending in the radial direction and two fixed claws 236E extending in the axial direction are formed on the outer peripheral portion of the shaft insertion portion 236B. A detent portion 236F extending in the radial direction is formed on the inner edge in the radial direction of each opening 236D and the outer edge of each extension portion 236C. The two fixed claws 236E are formed at intervals of 180 °. The four detent portions 236F are formed at 90 ° intervals.

  The lock nut 238 includes a cylindrical portion 238A fixed to the hub shaft 184, and a flange 238B extending in a radial direction from an axial end of the cylindrical portion 238A. The flange 238B is formed in a hexagon when viewed from the axial direction.

  As shown in FIG. 23, the first pressing plate 234 is placed on one end surface of the first claw 226 in the axial direction. In this state, each anti-rotation portion 234E is disposed between the first claws 226 adjacent in the circumferential direction. The anti-rotation portion 234E is fitted to the first claws 226 adjacent in the circumferential direction by being bent toward the first claws 226. Thereby, the rotation of the first pressing plate 234 with respect to the armature 216 is limited.

The first pressing plate 234 is arranged so that the insertion hole 234B is located at the same position as the wiring housing portion 186 of the hub shaft 184 in the circumferential direction.
The second presser plate 236 is fixed to the first presser plate 234 by fitting the fixing claws 236E into the fixing holes 234D (see FIG. 22) of the first presser plate 234. In this state, the rotation stopper 236F of the second presser plate 236 is at the same position as the four openings 234C of the first presser plate 234.

  As shown in FIG. 24, the lock nut 238 attached to the hub shaft 184 is in contact with the second presser plate 236. In this state, the four detent portions 236F of the second presser plate 236 are bent toward the lock nut 238, so that the four detent portions 236F come into contact with the plane portion of the side surface of the flange 238B of the lock nut 238. To do. As a result, the rotation of the lock nut 238 relative to the second presser plate 236 is limited.

  A first lead wire 286 as a conducting wire is connected to the winding start end of the coil 224 (see FIG. 18), and a second lead wire 288 as a conducting wire is connected to the winding end end of the coil 224. ing. The first lead line 286 and the second lead line 288 are connected to the converter 82 of the control device 44 (see FIG. 18). As described above, the power supply device 170 (see FIG. 2) includes the first lead wire 286 and the second lead wire as the first wiring that electrically connects the generator including the coil 224 and the converter 82 of the control device 44. A second lead line 288 is provided as wiring. The first lead wire 286 and the second lead wire 288 are accommodated in the wiring accommodating portion 186 of the hub shaft 184 through the shaft insertion portion 236B and the lock nut 238 of the first pressing plate 234. That is, the hub shaft 184 includes a wiring housing portion 186 that houses the first lead wire 286 as the first wire and the second lead wire 288 as the second wire.

  As shown in FIG. 25, the bearing holding member 266 attached to the hub shaft 184 covers the lock nut 238 (see FIG. 24) and is in contact with the first presser plate 234 and the second presser plate 236. A second presser plate 236 is fitted into the notch 280 </ b> A of the bearing holding member 266. Thereby, rotation of the bearing holding member 266 with respect to the second pressing plate 236 is limited.

Next, with reference to FIG. 26, the detailed structure of the 1st bearing 192 and the 2nd bearing 194 and its periphery is demonstrated.
The first bearing mounting portion 244 is formed with an annular groove 244B that is an annular groove in which a part of the first mounting portion 244A is recessed in the axial direction. The flange 276 of the terminal holding member 272 of the terminal unit 264 is accommodated in the annular groove 244B.

  The second attachment portion 246 includes a cylindrical portion 290 extending in the axial direction, and a flange 292 extending radially inward from an end portion of the cylindrical portion 290 on the armature 216 side. A groove 290A extending in the axial direction is formed in a part of the cylindrical portion 290 in the circumferential direction of the armature 216 side portion. The flange 292 has a through hole 292A that passes through the flange 292 in the axial direction and communicates with the groove 290A.

  The first terminal 268 of the terminal unit 264 is attached to the terminal holding member 272 so as to cover the end portion on the armature 216 side in the cylindrical portion 274 of the terminal holding member 272. As shown in FIG. 26, the first terminal 268 is sandwiched between the outer ring 250 of the first bearing 192 and the cylindrical portion 274 of the terminal holding member 272. The contact portion 268 </ b> A of the first terminal 268 is in contact with the outer ring 250 of the first bearing 192.

  The second terminal 270 of the terminal unit 264 is attached to the terminal holding member 272 so as to cover the end portion on the first bearing 192 side and the flange 276 in the cylindrical portion 274 of the terminal holding member 272. The second terminal 270 is sandwiched between the terminal holding member 272 and the bracket 204. The second terminal 270 is inserted into the through hole 292 </ b> A of the second mounting portion 246 of the bracket 204. The contact portion 270 </ b> D of the second terminal 270 is accommodated in the groove 290 </ b> A of the second attachment portion 246. As shown in FIG. 26, the contact portion 270 </ b> D is in contact with the outer ring 256 of the second bearing 194. Further, as shown in FIG. 26, the bracket 204 and the second bearing 194 sandwich the second terminal 270.

  The bearing holding member 266 holds the inner ring 248 of the first bearing 192 with the flange 282 and the first cylindrical portion 278. A terminal 284 attached to the first cylindrical portion 278 is in contact with the inner ring 248.

Next, the conduction path of the first wiring 88 and the seventh wiring 100 will be described.
The first wiring 88 includes a first conducting wire 88A connected to the control device 44 (see FIG. 18) and a second conducting wire 88B connected to the drive substrate 132. First conductive wire 88 </ b> A is electrically connected to converter 82 of control device 44. As shown in FIG. 26, the first conductor 88 </ b> A is accommodated in the wiring accommodating portion 186 of the hub shaft 184 and connected to the terminal 284 of the bearing holding member 266. The second conductor 88 </ b> B is connected to the first terminal 268 and is inserted into the first insertion hole 294 formed in the bracket 204. The second conducting wire 88B drawn out from the first insertion hole 294 to the outside of the hub shell 182 is connected to the drive board 132 on the back side of the first wheel cover 116A (see FIGS. 12 and 14).

  Since the plurality of rolling elements 252 are in contact with the inner ring 248 and the outer ring 250, the first bearing 192 constitutes a conduction path that electrically connects the first conducting wire 88A and the second conducting wire 88B. ing. That is, the first bearing 192 constitutes a first energization portion provided between the hub shell 182 and the hub shaft 184. More specifically, the first bearing 192 is configured such that the outer ring 250 that rotates integrally with the hub shell 182 constitutes a first electrical contact, and is held by the hub shaft 184 via the bearing holding member 266. The inner ring 248 supported so as not to rotate relative to the shaft constitutes a second electrical contact. The first electrical contact and the second electrical contact are electrically connected via the plurality of rolling elements 252. In addition, since the first terminal 268 is in contact with the outer ring 250 of the first bearing 192, the first terminal 268 is connected to the first electrical contact. For this reason, the first conductive wire 88 </ b> A constitutes a third wiring that electrically connects the converter 82 and the first terminal 268. As described above, the first wiring 88 includes the first conductor 88A, the terminal 284 of the bearing holding member 266, the first bearing 192, the first terminal 268, and the second conductor 88B.

  The seventh wiring 100 includes a first conducting wire 100A connected to the control device 44 and a second conducting wire 100B connected to the drive substrate 132. First conductive wire 100 </ b> A is electrically connected to converter 82 of control device 44. As shown in FIG. 26, the first conducting wire 100 </ b> A is accommodated in the wiring accommodating portion 186 of the hub shaft 184 and connected to the inner ring 254 of the second bearing 194. The second conducting wire 100 </ b> B is connected to the second terminal 270 and is inserted into the second insertion hole 296 formed in the bracket 204. The second conducting wire 100B drawn out from the second insertion hole 296 to the outside of the hub shell 182 is connected to the drive substrate 132 on the back side of the first wheel cover 116A.

  Since the plurality of rolling elements 258 are in contact with each of the inner ring 254 and the outer ring 256, the second bearing 194 constitutes a conduction path that electrically connects the first conducting wire 100A and the second terminal 270. ing. That is, the second bearing 194 constitutes a second energization part provided between the hub shell 182 and the hub shaft 184. Specifically, in the second bearing 194, an outer ring 256 that rotates integrally with the hub shell 182 constitutes a third electrical contact, and an inner ring 254 fixed to the hub shaft 184 constitutes a fourth electrical contact. In the second bearing 194, the third electrical contact and the fourth electrical contact are electrically connected via a plurality of rolling elements 258. Further, since the second terminal 270 is in contact with the outer ring 256 of the second bearing 194, the second terminal 270 is connected to the third electrical contact. For this reason, the first conductive wire 100 </ b> A constitutes a fourth wiring that electrically connects the converter 82 and the second terminal 270. As described above, the seventh wiring 100 includes the first conducting wire 100A, the second bearing 194, the second terminal 270, and the second conducting wire 100B.

  As shown in FIG. 27, the first terminal 268 and the second terminal 270 are arranged with a gap in the circumferential direction. The first insertion hole 294 and the second insertion hole 296 are formed side by side with a gap in the circumferential direction. The distance between the radial outer end of the first terminal 268 and the radial outer end of the second terminal 270 is the distance between the first insertion hole 294 and the second insertion hole 296. Greater than distance between circumferential directions.

The operation of this embodiment will be described.
First, the operation related to the hub dynamo 180 will be described.
As the front wheel 14 rotates, the permanent magnet 218 rotates relative to the armature 216, so that AC power is generated in the coil 224 of the armature 216 by electromagnetic induction. The AC power generated in the coil 224 is supplied to the control device 44 through the first lead line 286 and the second lead line 288. In the control device 44, the converter 82 converts the AC power of the coil 224 into DC power and supplies the DC power to the first conductor 88 </ b> A of the first wiring 88.

  The DC power supplied to the first conductor 88A is supplied to the drive circuit 56 that rotates integrally with the front wheel 14 through the first bearing 192 and the second conductor 88B. Therefore, the light source units 48, 50, 52, 54 emit light by the drive circuit 56.

  In the first bearing 192, the inner ring 248 that does not rotate integrally with the front wheel 14 and the outer ring 250 that rotates integrally with the front wheel 14 are electrically connected through the plurality of rolling elements 252. Also for the second bearing 194, an inner ring 254 that does not rotate integrally with the front wheel 14 and an outer ring 256 that rotates integrally with the front wheel 14 are electrically connected through a plurality of rolling elements 258. Therefore, DC power from the control device 44 that does not rotate integrally with the front wheel 14 can be supplied to the drive circuit 56 that rotates integrally with the front wheel 14.

Next, the operation of the light emitting units 42A and 42B will be described.
For example, when the first light source 58 of the first light source unit 48 emits light by the drive circuit 56, the first light source 58 is incident on the first incident surface 136 </ b> A of the first light guide member 136. The light incident on the first incident surface 136A is reflected by the reflection pattern 136D formed on the first reflecting surface 136B, and passes through the first light emitting surface 136C and the first light-transmitting cover 152, and the first wheel cover 116A. The light is emitted to the outside of the side surface. Accordingly, the first light guide member 136 emits light over the entire circumferential direction of the first light emitting surface 136C. Further, since the second light guide member 138, the third light guide member 140, and the fourth light guide member 142 emit light in the same manner, when the first wheel cover 116A is viewed from the side, The light members 136, 138, 140, 142 appear to emit light in an annular shape.

  In particular, when the front wheel 14 is rotating, the first wheel cover 116A and the second wheel cover 116B appear to emit light in an annular shape when viewed from the side. On the other hand, when the rotation of the front wheel 14 is stopped, the capacitor 84 of the control device 44 is charged while the front wheel 14 is rotating. Therefore, the first light source unit 48 and the second light source unit 48 and the second light source 48 are discharged over a certain period by discharging the capacitor 84. The light source unit 50 emits light. For this reason, even when the rotation of the front wheel 14 is stopped, the first wheel cover 116A and the second wheel cover 116B appear to emit light in an annular shape when viewed from the side surface for a certain period. The rear wheel 16 has the same effect.

This embodiment has the following effects. In addition, the following effects are similarly exerted on the second wheel cover 116B and the light emitting unit 42B.
(1) The light emitting unit 42 </ b> A includes a first light source 58 that can rotate integrally with the front wheel 14, and a first light guide member 136 that can rotate integrally with the front wheel 14. As a result, as long as the first light source 58 emits light, the entire first light guide member 136 emits light, and thus the visual effect of the light emitting unit 42A is suppressed from being strongly dependent on the rotational speed of the front wheel 14. .

  (2) The first light source 58 is substantially parallel to the direction orthogonal to the rotation axis of the front wheel 14. For this reason, compared with the case where the 1st light source 58 irradiates the 1st light guide member 136 in the direction parallel to the rotating shaft of the front wheel 14, it emits the wider area | region of the 1st light guide member 136. FIG. be able to. The same effect can be obtained for the second light source 60 and the second light guide member 138, the third light source 64 and the third light guide member 140, and the fourth light source 66 and the fourth light guide member 142. Play.

  (3) The first light guide member 136 extends in a direction along the side surface of the first wheel cover 116A. For this reason, for example, as compared with a configuration in which the first light guide member 136 extends in a direction parallel to the rotation axis of the front wheel 14, the first wheel cover 116A can be caused to emit light in a wider area when viewed from the side. it can. The second light guide member 138, the third light guide member 140, and the fourth light guide member 142 have the same effect.

  (4) The light emitting unit 42 </ b> A further includes a second light source 60 that can rotate integrally with the front wheel 14, and a second light guide member 138 that can rotate integrally with the front wheel 14. For this reason, when the first wheel cover 116A is viewed from the side, it is possible to emit light in a wider area. The light emitting unit 42A further includes a third light source 64 and a fourth light source 66, and a third light guide member 140 and a fourth light guide member 142, so that one layer in the first wheel cover 116A. A wide area can emit light.

  (5) By arranging the first light guide member 136 and the second light guide member 138 along the circumferential direction, a region that emits light when the first wheel cover 116A is viewed from the side surface is wide in the circumferential direction. Become. For this reason, even if the front wheel 14 rotates at a lower speed, the light emitting region is likely to be seen in an annular shape.

  (6) The first light source 58 and the second light source 60 are mounted on the first mounting board 62. For this reason, compared with the structure containing the mounting substrate in which the 1st light source 58 is mounted, and the mounting substrate in which the 2nd light source 60 is mounted, the number of parts of the light emission unit 42A can be decreased. In addition, the distance between the first incident surface 136A of the first light guide member 136 and the second incident surface 138A of the second light guide member 138 in the circumferential direction can be reduced. The third light source 64, the fourth light source 66, and the second mounting board 68 have the same effect.

  (7) The thickness of the first light guide member 136 decreases in the circumferential direction from one end where the first incident surface 136A is formed toward the other end. Specifically, the first reflecting surface 136B is inclined so as to approach the optical axis of the first light source 58 from one end to the other end. For this reason, it becomes easy to irradiate the light of the 1st light source 58 to reflective pattern 136D. Therefore, the light from the first light source 58 can be efficiently emitted to the first light emitting surface 136C. The second light guide member 138, the third light guide member 140, and the fourth light guide member 142 have the same effect.

  (8) The reflection pattern 136D of the first reflection surface 136B of the first light guide member 136 has a different density distribution in the circumferential direction. For this reason, the degree to which the light of the first light source 58 is emitted to the first light emitting surface 136C can be changed. The second light guide member 138, the third light guide member 140, and the fourth light guide member 142 have the same effect.

  (9) The density of the reflective pattern 136D in the third region R3 of the first reflective surface 136B is higher than the density of the reflective pattern 136D in the first region R1 and the density of the reflective pattern 136D in the second region R2 of the first reflective surface 136B. small. For this reason, the dispersion | variation in the light in 1st area | region R1-3rd area | region R3 when the light of the 1st light source 58 radiate | emits from the 1st light emission surface 136C is suppressed.

  (10) The drive board 132 is held by the first wheel cover 116A and the second wheel cover 116B. For this reason, the control device 44 can be downsized as compared with the configuration in which the control device 44 includes the drive substrate 132.

  (11) The drive board 132 is sandwiched between the cover main body 122 of the first wheel cover 116A and the cover main body 122 of the second wheel cover 116B in the axial direction. Thereby, since each main surface 132A, 132B of the drive board | substrate 132 can be arrange | positioned along an axial direction, the drive board | substrate 132 can be arrange | positioned avoiding the spoke 28 of the front wheel 14. FIG.

  (12) The translucent covers 152, 154, 156 and 158 are attached to the first wheel cover 116 </ b> A so as to cover the first light source unit 48 and the second light source unit 50. For this reason, it becomes difficult for foreign matters such as water and dust to enter the first light source unit 48 and the second light source unit 50.

  (13) The first fixing member 160 and the second fixing member 162 having light shielding properties are attached to the rim attachment portion 126 so as to cover the first light source unit 48 and the second light source unit 50, respectively. For this reason, the light of the 1st light guide member 136 and the 2nd light guide member 138 can be made more conspicuous.

  (14) The fixing members 160, 162, 164, 166 are attached to the rim attachment portion 126 by fitting the claws 160A, 162A, 164A, 166A into the attachment holes 126A. Therefore, the operator can easily attach the fixing members 160, 162, 164, 166 to the rim attaching part 126, and can hold the light transmitting covers 152, 154, 156, 158 on the holding part 128. .

  (15) The arc-shaped light guide members 136, 138, 140, and 142 are arranged along the circumferential direction to form a ring. For this reason, even when the rotational speed of the front wheel 14 is low, each of the first wheel cover 116A and the second wheel cover 116B can emit light in an annular shape.

  (16) The holding unit 128 is configured to decrease in the order of the width of the first holding unit 128A, the width of the second holding unit 128B, and the width of the third holding unit 128C. For this reason, it is suppressed that each support member 148,150 and each light guide member 136,138,140,142 are assembled | attached to the 3rd holding | maintenance part 128C. Moreover, it is suppressed that each translucent cover 152,154,156,158 is assembled | attached to the 2nd holding | maintenance part 128B.

  (17) The first holding portion 128A, the second holding portion 128B, and the third holding portion 128C are formed at positions overlapping each other when viewed from the axial direction, and are formed as grooves communicating with each other. For this reason, for example, the shape of the first wheel cover 116A is simplified compared to the case where the third holding portion 128C is formed on the inner side or the outer side in the radial direction with respect to the first holding portion 128A and the second holding portion 128B. Can be

  In addition, the second wiring 90, the third wiring 92, the fourth wiring 94, the fifth wiring 96, and the sixth wiring 98 are connected to the third holding portion 128C of each of the wheel covers 116A and 116B and each of the wheel covers 116A and 116B. It is sandwiched between the support members 148 and 150. This suppresses the wiring group 46A from dropping from the third holding unit 128C. For this reason, it is not necessary to attach a dedicated member for avoiding the dropping of the wiring group 46A from the third holding portion 128C, so that the configuration of the light emitting unit 42A can be simplified.

  (18) The insertion holes 126D, 126E, 126F, and 126G are formed in the rim attachment portion 126. For this reason, the wiring group 46A can be similarly wired regardless of which wheel cover of the first wheel cover 116A and the second wheel cover 116B is used.

  (19) The main surfaces 62A and 62B of the first mounting substrate 62 and the main surfaces 68A and 68B of the second mounting substrate 68 are arranged in parallel to the axial direction. For this reason, between the distance between the circumferential direction of the 1st light guide member 136 and the 2nd light guide member 138, and the circumferential direction of the 3rd light guide member 140 and the 4th light guide member 142. The distance can be reduced. Therefore, the circumferential length of each light guide member 136, 138, 140, 142 can be increased.

  (20) The drive substrate 132 is disposed at a position adjacent to the first mounting substrate 62. Therefore, it is possible to shorten the second wiring 90 that connects the driving substrate 132 and the first mounting substrate 62.

  (21) A wiring group 46A is connected to each of the one main surface 132A and the other main surface 132B of the drive substrate 132. For this reason, the drive substrate 132 can be reduced in size as compared with the configuration in which the wiring group 46A is connected to only one surface of the drive substrate 132.

  (22) The first bearing 192 electrically connects the outer ring 250 rotating integrally with the hub shell 182, the inner ring 248 held by the hub shaft 184 via the bearing holding member 266, and the outer ring 250 and the inner ring 248. A plurality of connectable rolling elements 252. For this reason, the hub shell 182 and the hub shaft 184 can be electrically connected by the first bearing 192. In addition, the rotational resistance of the hub shell 182 is reduced as compared with a configuration in which conduction between the hub shell 182 and the hub shaft 184 is ensured by sliding a metal contact, such as a slip ring.

  (23) The second bearing 194 includes an outer ring 256 that rotates integrally with the hub shell 182, an inner ring 254 that is fixed to the hub shaft 184, and a plurality of rolling elements that can electrically connect the outer ring 256 and the inner ring 254. 258. For this reason, the second bearing 194 can ensure electrical continuity between the hub shell 182 and the hub shaft 184. In addition, the rotational resistance of the hub shell 182 is reduced as compared with a configuration in which the hub shell 182 and the hub shaft 184 are electrically connected by sliding a metal contact such as a slip ring, for example.

  (24) The first terminal 268 and the second terminal 270 are disposed in the hub shell 182. For this reason, compared with a configuration in which the first terminal 268 and the second terminal 270 are arranged outside the hub shell 182, water hardly adheres to the first terminal 268 and the second terminal 270. Therefore, the first terminal 268 and the second terminal 270 are unlikely to corrode.

  (25) The terminal unit 264 includes an electrically insulating terminal holding member 272 that holds the first terminal 268 and the second terminal 270. For this reason, electrical conduction between the first terminal 268 and the second terminal 270 can be interrupted.

  (26) The second terminal 270 is sandwiched between the terminal holding member 272 and the first bearing mounting portion 244 of the bracket 204. For this reason, the 2nd terminal 270 and the terminal holding member 272 can be fixed, without using the shape and construction method for exclusive use for fixation, such as fixation with the 2nd terminal 270 and the terminal holding member 272. Therefore, the shape of the second terminal 270 and the terminal holding member 272 can be simplified.

  (27) The first lead wire 286 and the second lead wire 288 are housed in the wiring housing portion 186 of the hub shaft 184. For this reason, it is easy to pull out the first lead line 286 and the second lead line 288 to the outside of the hub shell 182.

  (28) The wiring housing portion 186 of the hub shaft 184 further houses the first conductive wire 88A of the first wiring 88 connected to the control device 44 and the first conductive wire 100A of the seventh wiring 100. . Thus, the four wires of the first lead wire 286, the second lead wire 288, the first lead wire 88A, and the first lead wire 100A are accommodated in the wiring accommodating portion 186 formed by one groove. Therefore, for example, the shape of the hub shaft 184 can be simplified as compared with a case where a wiring housing portion is formed for each conductor.

  (29) The first bearing mounting portion 244 of the bracket 204 is formed with a first mounting portion 244A to which the first bearing 192 is mounted and a second mounting portion 246 to which the second bearing 194 is mounted. ing. For this reason, the number of parts of the hub dynamo 180 is reduced as compared with the case where one of the first mounting portion 244A and the second mounting portion 246 is formed on a member formed separately from the bracket 204.

  (30) In the first restricting mechanism 230, each of the three detents 234E of the first pressing plate 234 is fitted between the first claws 226 that are adjacent in the circumferential direction. For this reason, it is suppressed that the 1st presser plate 234 moves with respect to the 1st nail | claw 226 in the circumferential direction. Accordingly, the first lead line 286 and the second lead line 288 inserted into the insertion hole 234B of the first presser plate 234 are suppressed from being pulled with the movement of the first presser plate 234 in the circumferential direction.

  (31) In the first regulating mechanism 230, the first presser plate 234 and the second presser plate 236 are sandwiched between the lock nut 238 and the first claw 226. The four detent portions 236F of the second presser plate 236 fixed to the first presser plate 234 are in contact with the side surface of the flange 238B of the lock nut 238. Thereby, the rotation of the lock nut 238 is limited. For this reason, when the lock nut 238 rotates, the lock nut 238 moves away from the second presser plate 236 in the axial direction, and thus the first presser plate 234 and the second presser plate 236 are restrained from moving in the axial direction. . Therefore, when the first presser plate 234 moves in the direction away from the first claw 226 in the axial direction, the rotation stopper 234E of the first presser plate 234 is suppressed from being separated from the first claw 226.

  (32) The notch 280 </ b> A of the bearing holding member 266 is fitted into the second presser plate 236. The second presser plate 236 is fixed to the first presser plate 234, and the rotation of the second presser plate 236 is restricted by the rotation preventing portion 234E of the first presser plate 234. Therefore, the bearing fitted to the second presser plate 236 The rotation of the holding member 266 is limited. Therefore, the first conductive wire 88A of the first wiring 88 connected to the terminal 284 of the bearing holding member 266 is suppressed from being pulled as the bearing holding member 266 rotates.

  (33) The bearing holding member 266 houses the lock nut 238. For this reason, the hub dynamo 180 can be downsized in the axial direction as compared with the configuration in which the bearing holding member 266 and the lock nut 238 are spaced apart in the axial direction.

  (34) The bearing holding member 266 has electrical insulation and holds the second bearing 194. For this reason, the hub shaft 184 and the first claw 226 and the second bearing 194 can be electrically insulated.

  (35) The first terminal 268 is formed with a contact portion 268A that comes into contact with the outer ring 250 of the first bearing 192 by being bent. Thereby, since the contact part 268A always presses the outer ring 250, the contact state between the first terminal 268 and the first bearing 192 can be stably maintained.

  (36) The second terminal 270 is formed with a contact portion 270D that comes into contact with the outer ring 256 of the second bearing 194 by being bent. Thereby, since the contact part 270D always presses the outer ring 256, the contact state between the second terminal 270 and the second bearing 194 can be stably maintained.

  (37) The power supply device 170 includes the capacitor 84. For this reason, even if the rotation of the front wheel 14 is stopped and the hub dynamo 180 does not generate AC power, the capacitor 84 supplies DC power to the light source units 48, 50, 52, 54. For this reason, each light source unit 48, 50, 52, 54 can emit light over a certain period even after the rotation of the front wheel 14 is stopped.

  The specific forms that the bicycle hub, the bicycle power supply device, and the bicycle electric system can take are not limited to the embodiments exemplified in the above embodiments. The bicycle hub, the bicycle power supply device, and the bicycle electric system can take various forms different from the above embodiments. The modification of the said embodiment shown below is an example of the various forms which the bicycle hub, the bicycle electric power supply apparatus, and the bicycle electric system can take.

In the above embodiment, the number of light guide members can be arbitrarily set.
In the above embodiment, the shape of the light guide member can be arbitrarily set. As an example, the light guide member may be formed in an annular shape.

In the above embodiment, the number of light sources can be arbitrarily set.
In the above embodiment, the light emitting unit 42A of the light emitting device 40 can be rotated integrally with the front wheel 14 (see FIG. 3), as shown in FIG. 28, instead of the hub dynamo 180, and the drive board 132. A battery 298 for supplying direct current power to each of the light source units 48 and 50 may be provided. The battery 298 is preferably sandwiched between the first wheel cover 116A and the second wheel cover 116B (see FIG. 12) in the axial direction. Similarly, the light emitting unit 42B may include a battery. The battery 298 may be attached to the frame body 20 (see FIG. 1).

  In the above embodiment, the direction in which the light guide member extends can be arbitrarily set. As an example, as shown in FIG. 29, each of the first light guide member 300, the second light guide member 302, and the third light guide member 304 is formed in a rectangular shape extending in the radial direction. The first light guide member 300, the second light guide member 302, and the third light guide member 304 are arranged at 120 ° intervals in the circumferential direction. A first light source 306 that irradiates the inner end surface of the first light guide member 300 in the radial direction and a first light source 306 are mounted on the inner end side in the radial direction of the first light guide member 300. A first mounting substrate 308 is disposed. A second light source 310 that irradiates the inner end surface of the second light guide member 302 in the radial direction and a second light source 310 are mounted on the inner end side in the radial direction of the second light guide member 302. A second mounting substrate 312 is disposed. A third light source 314 that irradiates the inner end surface of the third light guide member 304 in the radial direction and a third light source 314 are mounted on the inner end side in the radial direction of the third light guide member 304. A third mounting substrate 316 is disposed.

  -In the above-mentioned embodiment, the 1st light source and the 2nd light source do not need to be arranged between the peripheral directions of the 1st light guide member and the 2nd light guide member. As an example, as illustrated in FIG. 29, the first light source 306, the second light source 310, and the third light source 314 include a first light guide member 300 and a second light guide adjacent in the circumferential direction. It is not disposed between the circumferential direction of the member 302 and the third light guide member 304.

  -In the said embodiment, as FIG. 30 shows, the 1st light guide member 318, the 2nd light guide member 320, the 3rd light guide member 322 as four rectangular light guide members, and The fourth light guide members 324 may be arranged along the circumferential direction.

  In the above embodiment, as shown in FIG. 30, one of the longitudinal directions of the first light guide member 318 is between the fourth light guide member 324 and the first light guide member 318 in the circumferential direction. A first light source 326 that irradiates light to the end portion and a first mounting substrate 328 on which the first light source 326 is mounted may be disposed. A second light source 330 that irradiates one end of the second light guide member 320 in the longitudinal direction between the first light guide member 318 and the second light guide member 320 in the circumferential direction; and A second mounting substrate 332 on which the second light source 330 is mounted may be disposed. A third light source 334 that emits light to one end of the third light guide member 322 in the longitudinal direction between the second light guide member 320 and the third light guide member 322; and A third mounting board 336 on which the third light source 334 is mounted may be disposed. A fourth light source 338 for irradiating one end of the fourth light guide member 324 in the longitudinal direction between the third light guide member 322 and the fourth light guide member 324 in the circumferential direction; and A fourth mounting board 340 on which the fourth light source 338 is mounted may be disposed.

  -In the said embodiment, you may arrange | position a light source to the both ends of the longitudinal direction of a light guide member. In this case, one end surface and the other end surface in the longitudinal direction of the light guide member are incident surfaces on which light from the light source is incident.

  In the above embodiment, the light emitting units 42A and 42B may include, for example, an annular holding member that covers the rim 26 of the front wheel 14 instead of the first wheel cover 116A and the second wheel cover 116B. The holding members are the light source units 48, 50, 52, 54, the light guide members 136, 138, 140, 142, the reflection sheets 144, 146, the support members 148, 150, and the translucent covers 152, 154, 156. 158, each fixing member 160, 162, 164, 166, and the wiring group 46A. Note that the holding member may be configured to cover the entire rim 26 and only a part of the spoke 28, or to cover only a part of the spoke 28 without covering the rim 26.

  In the above embodiment, the wiring holding portion that holds the wiring group 46A may have a configuration other than the groove shape like the third holding portion 128C. An example of the wiring holding portion is a hook for holding the wiring group 46A on the rim mounting portion 126. When the wiring of the wiring group 46A is hooked on the hook, the wiring is sandwiched between the hook and the rim mounting portion 126, and the wiring group 46A is held by the rim mounting portion 126.

  In the above embodiment, as shown in FIG. 31, the second bearing 194 is omitted, and the second terminal 342 sandwiched between the terminal holding member 272 and the first bearing mounting portion 244 is the hub shaft 184. The cylindrical stationary member 344 may be configured to come into contact with the cylindrical stationary member 344. Similarly to the first bent portion 270A, the second bent portion 270B, and the third bent portion 270C of the second terminal 270 of the above-described embodiment, the second terminal 342 includes the first bent portion 346 and the second bent portion. 348 and a third bent portion 350. The second terminal 342 includes a fourth bent portion 352 that is bent toward the hub shaft 184 from a portion of the second terminal 342 that extends from the third bent portion 350 to one side in the axial direction, and a fourth bent portion 352. And an extension 354 that extends toward the hub shaft 184. The extension portion 354 is formed with a sliding portion 356 that bends and extends in the axial direction. The sliding portion 356 is in contact with the outer peripheral surface of the stationary member 344. The stationary member 344 is made of metal. The first conductive wire 100 </ b> A of the seventh wiring 100 is connected to the axial end surface of the stationary member 344.

In the above embodiment, one of the first mounting portion 244A and the second mounting portion 246 of the first bearing mounting portion 244 may be formed separately from the bracket 204.
In the above embodiment, the hub shaft 184 may be formed with a plurality of wiring housing portions 186.

  In the above embodiment, the inner ring 248 of the first bearing 192 may not be directly fixed to the hub shaft 184. Another member may be sandwiched between the inner ring 248 and the hub shaft 184.

In the above embodiment, the terminal holding member 272 may be formed in an arc shape when viewed from the axial direction.
In the above embodiment, the terminal holding member 272 may be disposed at a distance from the outer ring 250 of the first bearing 192 to the outside in the radial direction. In this case, the first terminal 268 has a portion extending radially inward so as to contact the outer ring 250.

In the above embodiment, the first terminal 268 may be detachably attached to the terminal holding member 272.
In the above embodiment, the second terminal 270 may be fixed to the terminal holding member 272 by welding or adhesion, for example.

In the above embodiment, a member different from the bracket 204 may be interposed between the bracket 204 and the second terminal 270.
In the above embodiment, the first terminal 268 may be omitted. In this case, the second conductor 88 </ b> B of the first wiring 88 is in direct contact with the outer ring 250 of the first bearing 192.

In the above embodiment, the second terminal 270 may be omitted. In this case, the second conductor 100 </ b> B of the seventh wiring 100 directly contacts the outer ring 256 of the second bearing 194.
In the above embodiment, the terminal 284 attached to the bearing holding member 266 may be omitted. In this case, the first conductor 88 </ b> A of the first wiring 88 is in direct contact with the inner ring 248 of the first bearing 192.

  In the above embodiment, the third bearing 196 may be one conduction path of the first wiring 88 and the seventh wiring 100. In this case, the 3rd bearing 196 comprises a 2nd electricity supply part. That is, the second energization part is at least partially disposed on the second bearing mounting part 208A. The first conductor 88A (first conductor 100A) is connected to the inner ring 210 of the third bearing 196, and the second conductor 88B (second conductor 100B) is directly or indirectly connected to the outer ring 212. . The plurality of rolling elements 214 of the third bearing 196 electrically connect the inner ring 210 and the outer ring 212.

  In the above embodiment, the converter 82 of the control device 44 may be held by the first wheel cover 116A and the second wheel cover 116B. That is, the converter 82 can rotate integrally with the front wheel 14.

In the above modification, the seventh wiring 100 of the control device 44 may be omitted.
In the above modification, one of the first terminal 268 and the second terminal 270 may be omitted. In this case, the first conductor 88 </ b> A of the first wiring 88 is connected to the other of the first terminal 268 and the second terminal 270.

  In the above-described embodiment, the bicycle may include an operation unit that switches between a light emitting state in which each light source is turned on and a light extinguished state in which each light source is turned off for at least one of the light emitting units 42A and 42B of the light emitting device 40. Based on the operation signal of the operation unit, the control unit 86 of the control device 44 switches between supply and interruption of power to the drive circuit 56.

In the above embodiment, the rear wheel 16 may include the hub dynamo 180 instead of the front wheel 14.
In the above embodiment, one light source and the light guide member of the first wheel cover 116A and the second wheel cover 116B may be omitted.

In the above embodiment, one of the light emitting units 42A and 42B may be omitted.
In the above embodiment, the electric component supplied by the power supply device 170 may be a device other than the light emitting device 40.

40. Light emitting device (electric component, light emitting device for bicycle)
82 ... Converter 88A ... First conductor (third wiring)
100A ... 1st conducting wire (4th wiring)
170 ... Power supply device (bicycle power supply device)
182... Hub shell 184... Hub shaft 186... Wiring accommodating portion 192...
194 ... Second bearing (second energization section)
204 ... Bracket (first side)
206 ... cylindrical portion 206A ... first opening 206B ... second opening 208 ... side wall (second side)
208A ... second bearing mounting portion 216 ... armature (generator)
218 ... Permanent magnet (generator)
220 ... Back yoke (generator)
244 ... First bearing mounting portion 248 ... Inner ring (second electrical contact)
250 ... Outer ring (first electrical contact)
254 ... Inner ring (fourth electrical contact)
256 ... Outer ring (third electrical contact)
286 ... First leader line (first wiring)
288 ... 2nd leader line (2nd wiring)
268 ... 1st terminal 270 ... 2nd terminal 272 ... Terminal holding member (insulating member)

Claims (22)

A hub shell supported to be rotatable relative to the hub shaft;
A first energization portion provided between the hub shell and the hub shaft;
The first current-carrying portion includes a first electrical contact that rotates integrally with the hub shell, and a second electrical contact that is supported so as not to rotate relative to the hub shaft.
The first electrical contact is electrically connected to the second electrical contact. A first bearing mounting portion provided between one end of the hub shell and one end of the hub shaft;
The bicycle hub according to claim 1, wherein the first current-carrying portion is at least partially disposed on the first bearing mounting portion. A second current-carrying portion provided between the hub shell and the hub shaft;
The second energization part includes a third electrical contact that rotates integrally with the hub shell, and a fourth electrical contact that rotates integrally with the hub shaft,
The bicycle hub according to claim 1, wherein the third electrical contact is electrically connected to the fourth electrical contact. A second bearing mounting portion provided between the other end of the hub shell and the other end of the hub shaft;
The bicycle hub according to claim 3, wherein the second current-carrying portion is at least partially disposed on the first bearing mounting portion or the second bearing mounting portion. The first current-carrying portion is a first bearing that supports the hub shell so as to be relatively rotatable with respect to the hub shaft.
The bicycle hub according to any one of claims 1 to 4. The second current-carrying portion is a second bearing that supports the hub shell so as to be relatively rotatable with respect to the hub shaft.
The bicycle hub according to claim 3, claim 4, or claim 5 quoting claim 3 or 4. The said 1st electricity supply part and the said 2nd electricity supply part are arrange | positioned at intervals in the axial direction of the said hub shaft, Claim 5 which quotes Claim 3, Claim 4, Claim 3 or 4, or The bicycle hub according to claim 6. The bicycle hub according to any one of claims 1 to 7, further comprising a first terminal connected to the first electrical contact. A second terminal connected to the third electrical contact is included. Claim 5, Claim 4, Claim 3 or Claim 4, Claim 6, Claim 7, or Claim 3 or The bicycle hub according to claim 8, wherein 4 is cited. The bicycle hub according to claim 9, wherein the first terminal and the second terminal are disposed in the hub shell. An insulating member disposed between the first energization part and the second energization part is further provided. Claims 5, 5, and 4 citing claim 3, claim 4, claim 3 or claim 4. The bicycle hub according to claim 8, claim 9, or claim 10 that cites claim 7, claim 3, or claim 4. The bicycle hub according to claim 11, wherein the insulating member holds at least one of the first terminal and the second terminal. The bicycle hub according to claim 11 or 12, wherein the insulating member and the first energization part sandwich the first terminal. The hub shell includes a cylindrical portion, a first side that closes a first opening of the cylindrical portion, and a second side that closes a second opening of the cylindrical portion,
The first side portion includes the first bearing mounting portion between the hub shaft and the first side portion,
The second side portion includes the second bearing mounting portion between the hub shaft and the second side portion,
The bicycle hub according to claim 11, wherein the first side portion holds the insulating member. The second energization portion is at least partially disposed on the first bearing mounting portion,
The bicycle hub according to claim 14, wherein the first side portion and the second energization portion sandwich the second terminal. The bicycle hub according to claim 14 or 15, wherein the first side portion and the insulating member sandwich the second terminal. The bicycle hub according to any one of claims 1 to 16, further comprising a generator disposed in the hub shell. A bicycle hub according to claim 17,
A converter that converts AC power generated by the generator into DC power;
A bicycle power supply device comprising: a first wiring and a second wiring for electrically connecting the generator and the converter. A third wiring for electrically connecting the converter and the first terminal;
The bicycle power supply device according to claim 18, further comprising a fourth wiring that electrically connects the converter and the second terminal. 20. The bicycle power supply device according to claim 18, wherein the hub shaft includes a wiring housing portion that houses the first wiring and the second wiring. The bicycle power supply device according to any one of claims 18 to 20,
A bicycle electric system comprising: an electric component driven by electric power generated by the generator. The bicycle electric system according to claim 21, wherein the electric component is a light emitting device for a bicycle that can rotate integrally with a wheel.