JP2018176839A - Battery holder for bicycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery holder for a bicycle which can be readily disposed near a drive unit.SOLUTION: A battery holder 50 for a bicycle includes a main unit 52 that retains one end of a battery unit, and a frame attachment 54 disposed on the main unit 52. The frame attachment 54 can be attached to a frame using an attaching member 48 that is used to attach a drive unit 22, which includes a motor 38 that assists in propelling a bicycle, to the frame of the bicycle.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a battery holder for a bicycle.

  The bicycle battery holder disclosed in Patent Document 1 is used by being attached to a bicycle frame.

German Patent Application Publication No. 102011005520

In the bicycle battery holder, it is difficult to arrange the bicycle battery holder and the drive unit close to each other.
An object of the present invention is to provide a bicycle battery holder that is easy to position close to the drive unit.

One embodiment of a bicycle battery holder according to the first aspect of the present invention includes a main body holding one end of a battery unit, and a frame mounting portion provided on the main body, the frame mounting portion being a bicycle It is configured to be attachable to the frame by a mounting member for mounting a drive unit including a motor that assists propulsion to the frame of the bicycle.
According to the first aspect, since the bicycle battery holder can be attached to the bicycle frame by using the attachment member for attaching the drive unit to the bicycle frame, the bicycle battery holder can be easily disposed close to the drive unit. .

The second side of the bicycle battery holder according to the first aspect, wherein the attachment member includes an engagement portion engageable with the drive unit, and the frame attachment portion is configured to be supported by the engagement portion. Be done.
According to the second aspect, the bicycle battery holder is attached to the bicycle frame by the frame attachment portion being supported by the engaging portion.

In the bicycle battery holder of the third aspect according to the second aspect, the frame attachment portion includes a hole into which the engagement portion is inserted.
According to the third aspect, the bicycle battery holder can be easily attached to the bicycle frame by inserting the engaging portion into the hole of the frame attachment portion.

In the bicycle battery holder of the fourth aspect according to the third aspect, the hole extends along a crankshaft provided in the drive unit in a state where the frame attachment portion is supported by the engagement portion.
According to the fourth aspect, the engaging portion can be inserted into the hole of the frame attachment portion from the side of the bicycle so that the battery holder for a bicycle can be supported by the engaging portion.

In the bicycle battery holder of the fifth side according to the third or fourth side, the engagement portion includes a first screw portion engageable with the drive unit, and an inner wall portion of the hole is the first screw portion. Including an internal thread portion connectable with the
According to the fifth aspect, the bicycle battery holder can be stably fixed to the engaging portion by the connection of the first screw portion and the female screw portion of the hole.

In the bicycle battery holder of the sixth aspect according to the third or fourth aspect, the engagement portion is a state in which the first screw portion engageable with the drive unit, and the first screw portion is inserted into the hole. And a second threaded portion connectable to the first threaded portion.
According to the sixth aspect, the bicycle battery holder can be stably fixed to the engaging portion by the connection between the first screw portion and the second screw portion.

In the bicycle battery holder of the seventh aspect according to any one of the first to sixth aspects, the frame attachment portion is provided with a first attachment portion and a second attachment portion spaced apart in the extending direction of the hole. The hole is formed in each of the first attachment portion and the second attachment portion including a portion.
According to the seventh aspect, the bicycle battery holder is more preferably attached to the bicycle frame by attaching the attachment members to both of the holes formed in the first attachment portion and the second attachment portion.

In the bicycle battery holder of the eighth aspect according to the seventh aspect, the mounting member includes a first mounting member and a second mounting member, and the first mounting portion is configured to be supported by the first mounting member. The second attachment portion is configured to be supported by a second attachment member.
According to the eighth aspect, in order to attach the first attachment member and the second attachment member to the holes formed in the first attachment portion and the second attachment portion, the bicycle battery holder is more preferably attached to the bicycle frame Be

In the bicycle battery holder of the ninth side according to any one of the first to eighth side surfaces, the frame attachment portion is configured to be at least partially locatable in a recess provided in the drive unit.
According to the ninth aspect, since the frame attachment portion is at least partially disposed in the recess provided in the drive unit, contact of foreign matter to the frame attachment portion can be reduced.

In the bicycle battery holder of the tenth side according to any one of the first to ninth aspects, the main body portion is provided at a position different from the frame attachment portion, and is a first contact portion capable of contacting the drive unit including.
According to the tenth aspect, the contact of the first contact portion with the drive unit stabilizes the position of the bicycle battery holder.

The bicycle battery holder according to the eleventh aspect, wherein the first contact portion includes an elastic member.
According to the eleventh aspect, contact between the drive unit and the bicycle battery holder at points or lines can be suppressed, and the drive unit can be stably supported by the bicycle battery holder.

The bicycle battery holder according to any one of the first to eleventh aspects, wherein the main body portion includes a second contact portion capable of contacting one end of the battery unit, the second contact portion Includes an elastic member.
According to the twelfth aspect, the bicycle battery holder can preferably hold the battery unit by the elastic portion of the second contact portion.

The bicycle battery holder of the thirteenth aspect in accordance with any one of the first to twelfth aspects, further comprising a connector provided on the main body and connected to the battery unit.
According to the thirteenth aspect, the power of the battery unit can be suitably extracted to the outside of the battery unit by the connector.

In the bicycle battery holder of the fourteenth aspect according to any one of the first to thirteenth aspects, a groove in which a linear member can be disposed is formed in the frame attachment portion.
According to the fourteenth aspect, since the linear member can be disposed in the groove, the convenience is improved.

The bicycle battery holder of the fifteenth side according to any one of the first to fourteenth aspects, further includes an angle adjusting mechanism capable of changing an angle of the main body with respect to the frame.
According to the fifteenth aspect, the battery unit attached to the main body by the angle adjusting mechanism can be adjusted to an angle suitable for a bicycle.

In the bicycle battery holder of the sixteenth side according to any one of the first to fifteenth sides, at least a part of the main body portion is configured to be accommodated in an accommodating portion formed in the frame.
According to the sixteenth aspect, at least a part of the main body portion is accommodated in the accommodation portion of the frame, so that the amount of projection of the bicycle battery holder from the frame can be suppressed. For this reason, the battery holder for bicycles does not easily get in the way of the user.

The bicycle battery holder of the seventeenth side according to any one of the first to sixteenth aspects, wherein the drive unit is disposed around a crankshaft of the bicycle, and the main body is disposed along the frame. The battery unit is configured to be supportable.
According to the seventeenth aspect, since the battery unit can be disposed close to the drive unit disposed around the crankshaft by the bicycle battery holder, the wiring from the battery unit to the drive unit can be shortened.

  The bicycle battery holder of the present invention is easy to arrange the bicycle battery holder close to the drive unit.

The side view of the bicycle containing the battery holder for bicycles of an embodiment. FIG. 2 is a cross-sectional perspective view of the housing of the frame shown in FIG. FIG. 2 is an exploded perspective view showing the bicycle battery holder of FIG. 1 and a frame and a drive unit to which the bicycle battery holder is attached. FIG. 4 is a perspective view of a bicycle battery holder attached to the drive unit of FIG. 3; The perspective view of the battery holder for bicycles of FIG. The side view of the battery holder for bicycles of FIG. The fragmentary sectional view in the state where the battery holder for bicycles of Drawing 3 was attached to the frame. The fragmentary sectional view in the state where the battery holder for bicycles of a modification was attached to the frame. The side view which shows the displacement of the position of the battery holder for bicycles of FIG.

  The bicycle 10 shown in FIG. 1 includes a bicycle battery holder 50. Hereinafter, the bicycle battery holder will be simply referred to as a battery holder. In one example, the bicycle 10 further includes a frame 12 of the bicycle 10, a front fork 14, a front wheel 16A, a rear wheel 16B, and a handle 18. The frame 12 includes a head tube 12A, a top tube 12B, a down tube 12C, a seat tube 12E, a seat stay 12F, and a chain stay 12G. The bicycle 10 includes a battery unit 20 and a drive unit 22. The bicycle 10 has a bicycle electric component including at least one of an electric transmission, an electric suspension, an electric seat post, a display device, a cycle computer, a lamp, and an electric operation device. The details of the bicycle electric component are the same as those of the conventional bicycle electric component, and thus the description thereof is omitted.

  As shown in FIG. 2, the frame 12 of the bicycle 10 is provided with a housing 24 for mounting the battery unit 20. The housing portion 24 constitutes a part of the frame 12. In the example shown in FIG. 1, the housing portion 24 constitutes a part of the down tube 12C. The down tube 12C includes a connecting portion 12D connected to the head tube 12A (see FIG. 1) and a housing portion 24. In one example, one end of the housing portion 24 is connected to the connecting portion 12D, and the other end of the housing portion 24 is connected to the sheet tube 12E. The connecting portion 12D may be integrally formed in the housing portion 24, may be formed separately from the housing portion 24, and may be integrally joined by welding, adhesion or the like. The housing portion 24 may be provided separately from the frame 12. A drive unit mounting portion 26 to which the drive unit 22 is attached is provided between the housing portion 24 and the sheet tube 12E. The drive unit mounting portion 26 may be integrally formed in the housing portion 24, may be formed separately from the housing portion 24, and may be integrally joined by welding, adhesion, or the like.

  Battery unit 20 includes a plurality of battery cells 28 and a battery case 30 accommodating the plurality of battery cells 28. The battery unit 20 is disposed in a housing space 24A formed in the housing portion 24. The housing portion 24 further includes an opening 24B. The opening 24B is formed in the housing portion 24 so as to open downward in the height direction when, for example, the bicycle 10 is placed on a flat surface. The opening 24B is connected to the housing space 24A of the housing portion 24. The opening 24B is formed in such a size that the battery unit 20 can be inserted into the housing space 24A. The battery unit 20 is accommodated in the accommodation space 24A through the opening 24B and attached to the accommodation portion 24.

  The battery unit 20 is disposed along the frame 12. One end 20A of the battery unit 20 is held by a bicycle battery holder 50. The other end 20B of the battery unit 20 is attached to the housing 24 by a bolt 32 (see FIG. 1) in a state where the battery unit 20 is disposed at a predetermined position of the housing space 24A. The opening 24 </ b> B is covered by the cover 34 when the battery unit 20 is attached to the housing 24. In one example, the cover 34 is attached to the battery case 30 by bolts 36 or the like.

  As shown in FIG. 3, the drive unit 22 includes a motor 38 that assists in propelling the bicycle 10. The drive unit 22 is disposed around a crankshaft 40 of the bicycle 10. In one example, drive unit 22 further includes a crankshaft 40 and a housing 42. The housing 42 accommodates at least a portion of the motor 38. The crankshaft 40 is supported by the housing 42. A plurality of convex portions 44 are provided on the outer peripheral portion 42 </ b> A of the housing 42. Each convex portion 44 includes a first convex portion 44A and a second convex portion 44B spaced apart in the extending direction of the crankshaft 40. A recess 42B is formed between the first protrusion 44A and the second protrusion 44B. The drive unit 22 is attached to the frame 12 of the bicycle 10 by an attachment member 48. The mounting member 48 includes a first mounting member 48A and a second mounting member 48B. The mounting member 48 includes an engaging portion 48 C engageable with the drive unit 22. The engagement portion 48C includes a first screw portion 48D engageable with the drive unit 22. The engaging portion 48C and the first screw portion 48D are provided on each of the first mounting member 48A and the second mounting member 48B. The first screw portion 48D of the first mounting member 48A is configured to be connectable to the female screw portion 44C formed on the first convex portion 44A. The first screw portion 48D of the second mounting member 48B is configured to be connectable to a nut 46 disposed in the hole 44D formed in the second convex portion 44B. As shown in FIG. 7, the nut 46 is press-fit into the hole 44D, and is configured to be adjustable in axial position. It is preferable that a knurl is formed on one of the outer peripheral part in contact with the second convex part 44B of the nut 46 and the inner peripheral part defining the hole 44D of the second convex part 44B. The first mounting member 48A and the second mounting member 48B include bolts.

  As shown in FIG. 4, the battery holder 50 includes a main body 52 and a frame attachment 54. Battery holder 50 further includes a connector 56.

  As shown in FIG. 2, the main body 52 holds one end 20 </ b> A of the battery unit 20. The main body 52 is configured to be able to support the battery unit 20. At least a part of the main body portion 52 is configured to be accommodated in the accommodation portion 24. At least a part of the main body portion 52 is disposed at an end portion of the accommodation space 24A on the drive unit mounting portion 26 side.

  As shown in FIG. 4, the body portion 52 includes a first portion 60 and a second portion 62. The first portion 60 is configured to face the first end surface on the side of the one end 20A of the battery unit 20 in the direction along the extending direction of the frame 12 in a state where the battery unit 20 is disposed along the frame 12 . The second portion 62 is configured to face the side surface of the battery unit 20 adjacent to the first end surface of the battery unit 20 in a state in which the battery unit 20 is disposed along the frame 12. The second portion 62 is provided at least on the lower side of the battery unit 20 in a state in which the battery unit is disposed along the frame 12. The second portion 62 is provided at least at a first end of the first portion 60 in the first direction. The first direction is orthogonal to the extending direction of the frame 12. The first direction is preferably orthogonal to the extending direction of the frame 12 and orthogonal to the extending direction of the crankshaft 40. The first portion 60 and the second portion 62 are preferably integrally formed. The first portion 60 and the second portion 62 are preferably formed along the outer surface of the battery unit 20. The first portion 60 and the second portion 62 are made of metal or resin. The first portion 60 includes a first surface 60A facing the battery unit 20 and a second surface 60B facing the drive unit 22. A recess 60C is formed in the first surface 60A. The second portion 62 includes a first surface 62A that faces the battery unit 20. The shape of the main body portion 52 of the battery unit 20 is not limited as long as the one end portion 20A of the battery unit 20 can be held.

The main body 52 includes a first contact 64 and a second contact 66.
As shown in FIGS. 5 and 6, the first contact portion 64 is provided at a position different from that of the frame attachment portion 54 and configured to be able to contact the drive unit 22. The first contact portion 64 is provided on the second surface 60 </ b> B of the first portion 60. The first contact portion 64 includes an elastic member 68. In one example, the elastic member 68 includes rubber and a synthetic resin such as urethane. The elastic member 68 is provided on at least a part of the second surface 60B. The elastic member 68 is formed, for example, in a plate shape. The elastic member 68 is attached to the second surface 60B of the first portion 60 by, for example, an adhesive. Only one elastic member 68 may be provided, or a plurality of elastic members 68 may be provided. The elastic member 68 may be provided on the entire second surface 60B. Also, the elastic member 68 may be omitted. By providing the elastic member 68 on the second surface 60B, even if the second surface 60B is not along the outer surface of the drive unit 22, the battery holder 50 and the drive unit 22 can be in surface contact. More preferably, the second surface 60B of the first portion 60 is formed along the outer surface of the drive unit 22.

  As shown in FIGS. 4 and 6, the second contact portion 66 is configured to be able to contact one end 20 </ b> A of the battery unit 20. The second contact portion 66 is provided on the first surface 60 </ b> A of the first portion 60 and the first surface 62 </ b> A of the second portion 62. The second contact portion 66 includes an elastic member 70. In one example, the elastic member 70 includes rubber and a synthetic resin such as urethane. The elastic member 70 is provided on at least a part of the first surface 60A. The elastic member 70 is formed, for example, in a plate shape. The elastic member 70 is attached to the first surface 60A of the first portion 60 by, for example, an adhesive. Only one elastic member 70 may be provided, or a plurality of elastic members 70 may be provided. In addition, the elastic member 70 may be provided on the entire first surface 60A. Also, the elastic member 70 may be omitted.

  As shown in FIG. 3, the frame attachment portion 54 is provided on the main body portion 52. The frame attachment portion 54 is integrally formed with the main body portion 52. The frame attachment portion 54 is made of metal or resin. When the main body portion 52 is formed of resin and the frame attachment portion 54 is formed of metal, it is preferable that a part of the frame attachment portion 54 be embedded in the main body portion 52. The main body portion 52 and the frame attachment portion 54 may be coupled by a coupling member such as a bolt or the like, and may be joined by welding, adhesion, welding or the like. The frame attachment portion 54 is provided, for example, at the second end of the first portion 60 in the first direction. The second end is formed opposite to the first end of the first portion 60 in the first direction. The frame attachment portion 54 is configured to be at least partially locatable in the recess 42 </ b> B provided in the drive unit 22.

  The frame attachment portion 54 is configured to be attachable to the frame 12 by an attachment member 48 for attaching the drive unit 22 to the frame 12 of the bicycle 10. The frame attachment portion 54 is configured to be supported by the engagement portion 48C of the attachment member 48. The frame attachment portion 54 includes a hole 54A into which the engaging portion 48C is inserted. The hole 54A extends along the crankshaft 40 provided in the drive unit 22 with the frame attachment portion 54 supported by the engagement portion 48C. The inner wall portion of the hole 54A includes an internal thread portion 54B that can be coupled to the first thread portion 48D.

  The frame attachment portion 54 includes a first attachment portion 72 and a second attachment portion 74. A hole 54A is formed in each of the first attachment portion 72 and the second attachment portion 74. The first attachment portion 72 and the second attachment portion 74 are spaced apart in the extending direction of the hole 54A. The first attachment portion 72 is configured to be supported by the first attachment member 48A. The second mounting portion 74 is configured to be supported by the second mounting member 48B.

The structure for attaching the frame attachment portion 54 to the frame 12 will be described with reference to FIGS. 3 and 7. FIG. 7 shows the second attachment portion 74 and its surrounding structure.
With the hole 26A formed in the drive unit mounting portion 26 shown in FIG. 3 and the hole 54A of the first mounting portion 72 corresponding to each other, the first mounting member 48A penetrates the hole 26A formed in the drive unit mounting portion 26. The first attachment portion 72 is attached to the frame 12 by being screwed into the female screw portion 54 B of the hole 54 A of the first attachment portion 72.

  The second mounting member 48B is formed in the drive unit mounting portion 26 in a state where the hole 26A formed in the drive unit mounting portion 26 shown in FIG. 7, the hole of the nut 46, and the hole 54A of the second mounting portion 74 correspond. The second mounting portion 74 is attached to the frame 12 by passing through the hole 26A and screwing into the hole 46A of the nut 46 and the second mounting portion 74. By screwing the first screw portion 48D of the second mounting member 48B into the hole 54A of the nut 46 and the second mounting portion 74, the position of the nut 46 in the hole 44D is adjusted, and between the drive unit 22 and the frame 12 You can suppress the rash.

  As shown in FIG. 4, the frame attachment portion 54 is formed with a groove 76 in which the linear member C can be disposed. The linear member C includes a power line connecting the connector 56 and the drive unit 22 in one example. In another example, the linear member C includes at least one of an electrical cable, a Bowden cable, and a hydraulic cable. The electric cable may include a signal line that transmits an electrical signal, may include a power line that transmits power, and may include an electric wire for PLC (Power Line Communication). The Bowden cable, for example, connects the operating device to a transmission, a brake, an adjustable seat post, or a suspension. The hydraulic cable connects, for example, the operating device and the transmission, the brake device, the adjustable seat post or the suspension. The groove 76 is formed between the first attachment portion 72 and the second attachment portion 74. The groove 76 communicates with the recess 60C of the main body 52.

  As shown in FIGS. 4 and 6, the connector 56 is provided on the main body 52 and connected to the battery unit 20. In one example, the connector 56 is provided in the recess 60C of the main body 52. The connector 56 is configured to be electrically connectable to a connector (not shown) of the battery unit 20 in a state where the battery unit 20 is held by the battery holder 50. The battery unit 20 can supply power to the electric component by connecting the connector to the connector 56 of the battery holder 50.

  According to the present embodiment, since the battery holder 50 can be attached to the frame 12 using the engagement member for attaching the drive unit 22 to the frame 12, it is necessary to attach the battery holder 50 to the frame 12 independently. Processing to the frame 12 can be omitted.

(Modification)
The description of the above embodiment is an example of the form that the bicycle battery holder according to the present invention may take, and is not intended to limit the form. The bicycle battery holder according to the present invention may take, for example, a combination of the above-described embodiment shown below and at least two of the mutually consistent variations. In the following modifications, the same reference numerals as those of the embodiment are given to the same parts as those of the embodiment, and the description thereof is omitted.

  As shown in FIG. 8, the engaging portion 48C of the mounting member 48 may include the first screw portion 48D and the second screw portion 78. The second screw portion 78 is provided on a nut 80 separate from the first screw portion 48D. The second screw portion 78 is configured to be connectable to the first screw portion 48D in a state where the first screw portion 48D is inserted into the hole 54A. In this case, the internal thread portion 54B of the hole 54A is omitted.

  The modified battery holder 50 shown in FIG. 8 further includes an angle adjustment mechanism 82. The angle adjustment mechanism 82 is configured to be capable of changing the angle of the main body 52 with respect to the frame 12. The battery holder 50 is pivotable about the axis of the hole 54A. The angle adjustment mechanism 82 is constituted by the first screw portion 48 D and the second screw portion 78 of the mounting member 48. Before the first screw portion 48D of the mounting member 48 is inserted into the hole 54A of the frame mounting portion 54 and screwed into the second screw portion 78, the angle of the frame mounting portion 54 with respect to the drive unit 22 is adjusted. By adjusting the angle, by screwing the second screw portion 78 into the first screw portion 48D, the angle of the main body 52 with respect to the frame 12 is adjusted between the solid line in FIG. 9 and the two-dot chain line in FIG. .

  The nut 46 may be omitted from the hole 44D of the second convex portion 44B, and a female screw may be formed in the hole 44D.

  One of the first attachment portion 72 and the second attachment portion 74 may be omitted. Also, one frame attachment portion 54 may be provided which is attached to both the first attachment portion 72 and the second attachment portion 74. The frame mounting portion 54 has a female screw portion into which the first screw portion 48D of the first mounting member 48A is inserted at a portion facing the first convex portion 44A, and a second portion facing the second convex portion 44B It includes an internal thread portion into which the first thread portion 48D of the mounting member 48B is inserted. In this variation, the groove 76 is omitted. In this case, instead of the groove 76, a hole for disposing the linear member C may be formed in the frame attachment portion 54.

  The second portion 62 may be omitted from the main body 52. In short, the structure of the main body 52 can be appropriately changed as long as the structure can hold the one end 20A of the battery unit 20.

  The second portion 62 is omitted from the main body portion 52, and a second engaging portion engageable with the first engaging portion provided at the one end 20A of the battery unit 20 is provided on the first surface 60A of the first portion 60 May be The first engagement portion includes at least one of a protrusion and a recess in one example. The second engagement portion includes at least one of a concave portion and a convex portion engageable with the first engagement portion. The convex portion or the concave portion of the first engaging portion extends in the width direction of the bicycle 10. When the user attaches the battery unit 20 to the frame 12, the user can hook the first engagement portion of the battery unit 20 to the second engagement portion provided on the first surface 60A of the first portion 60 to form the second engagement portion. By pivoting the battery unit 20 around, the battery unit 20 is moved to the inside of the accommodation space 24A.

  The frame attachment portion 54 may be disposed between the convex portion 44 of the drive unit 22 and the frame 12. For example, the first mounting portion 72 of the frame mounting portion 54 is disposed further to the outside of the drive unit 22 than the first convex portion 44A in the extending direction of the crankshaft 40, and the first mounting portion 72 is the first convex portion 44A and the drive unit mounting portion It is inserted between 26 and. Also, for example, the second attachment portion 74 of the frame attachment portion 54 is disposed further to the outside of the drive unit 22 than the second convex portion 44B in the extension direction of the crankshaft 40, and the second attachment portion 74 is the second convex portion 44B and the drive unit It is sandwiched between the mounting unit 26.

  The frame attachment portion 54 may be disposed between the frame 12 and the attachment member 48 in the direction in which the crankshaft 40 extends. For example, the mounting portions 72, 74 are sandwiched between the drive unit mounting portion 26 and the bolt head of the mounting member 48.

The connector 56 provided on the battery holder 50 may be omitted.
The battery holder 50 is detachably attached to the attachment member 48. However, the battery holder 50 may be irremovably attached to the attachment member 48. For example, the mounting member 48 may be configured by a rivet instead of a bolt, and the mounting member 48 and the battery holder 50 may be fixed by adhesion, welding, or welding. In this case, after the attachment member 48 is attached to the convex portion 44 and the battery holder 50, the attachment member 48 and the battery holder 50 may be fixed by adhesion, welding or welding.

  -In embodiment, although the accommodating part 24 is arrange | positioned at the down tube 12C, the accommodating part 24 may be provided in the sheet | seat tube 12E. Instead of or in addition to the opening 24 </ b> B of the housing portion 24, an opening may be provided which opens upward or in the width direction.

  The accommodation portion 24 in which the accommodation space 24A is formed can be omitted from the frame 12 of the bicycle 10. In this case, the battery unit 20 may be held by a support (not shown) attached to the battery holder 50 and the frame 12 and supporting the other end 20 B of the battery unit 20.

  DESCRIPTION OF SYMBOLS 12 ... Frame, 24 ... accommodation part, 20 ... Battery unit, 20A ... One end, 22 ... Drive unit, 38 ... Motor, 40 ... Crankshaft, 48 ... Mounting member, 48A ... 1st mounting member, 48B ... 2nd mounting member , 48C: engaging portion, 48D: first screw portion, 50: battery holder (bicycle battery holder), 52: main body portion, 54: frame mounting portion, 54A: hole, 54B: female screw portion, 56: connector, 64 ... first contact portion, 68 ... elastic member, 66 ... second contact portion, 70 ... elastic member, 72 ... first attachment portion, 74 ... second attachment portion, 76 ... groove, 78 ... second screw portion, 82 ... Angle adjustment mechanism.

Claims (17)

A main body holding one end of the battery unit;
And a frame attachment portion provided on the main body portion,
The bicycle battery holder, wherein the frame attachment portion is configured to be attachable to the frame by an attachment member for attaching a drive unit including a motor for assisting propulsion of the bicycle to the frame of the bicycle. The mounting member includes an engagement portion engageable with the drive unit,
The bicycle battery holder according to claim 1, wherein the frame attachment portion is configured to be supported by the engagement portion.   The bicycle battery holder according to claim 2, wherein the frame attachment portion includes a hole into which the engagement portion is inserted.   The bicycle battery holder according to claim 3, wherein the hole extends along a crank shaft provided in the drive unit in a state where the frame attachment portion is supported by the engagement portion. The engagement portion includes a first screw portion engageable with the drive unit,
The bicycle battery holder according to claim 3, wherein an inner wall portion of the hole includes an internal thread portion that can be coupled to the first thread portion. The engagement portion is
A first screw portion engageable with the drive unit;
The bicycle battery holder according to claim 3 or 4, further comprising: a second screw portion that can be coupled to the first screw portion when the first screw portion is inserted into the hole. The frame attachment portion includes a first attachment portion and a second attachment portion spaced apart in a direction in which the hole extends.
The bicycle battery holder according to any one of claims 3 to 6, wherein the hole is formed in each of the first attachment portion and the second attachment portion. The mounting member includes a first mounting member and a second mounting member,
The first attachment portion is configured to be supported by a first attachment member,
The bicycle battery holder according to claim 7, wherein the second attachment portion is configured to be supported by a second attachment member.   The bicycle battery holder according to any one of claims 1 to 8, wherein the frame attachment portion is configured to be at least partially locatable in a recess provided in the drive unit.   The bicycle battery holder according to any one of claims 1 to 9, wherein the main body portion is provided at a position different from the frame attachment portion and includes a first contact portion capable of contacting the drive unit.   The bicycle battery holder according to claim 10, wherein the first contact portion includes an elastic member. The main body portion includes a second contact portion capable of contacting one end of the battery unit,
The bicycle battery holder according to any one of claims 1 to 11, wherein the second contact portion includes an elastic member.   The bicycle battery holder according to any one of claims 1 to 12, further comprising a connector provided on the main body and connected to the battery unit.   The bicycle battery holder according to any one of claims 1 to 13, wherein a groove in which a linear member can be disposed is formed in the frame attachment portion.   The bicycle battery holder according to any one of claims 1 to 14, further comprising an angle adjustment mechanism capable of changing an angle of the main body with respect to the frame.   The bicycle battery holder according to any one of claims 1 to 15, wherein at least a part of the main body portion is configured to be accommodated in an accommodation portion formed in the frame. The drive unit is disposed around a crankshaft of the bicycle.
The bicycle battery holder according to any one of claims 1 to 16, wherein the main body portion is configured to be able to support the battery unit disposed along the frame.