JPH0848278A - Electric two-wheeler - Google Patents

Abstract

PURPOSE:To provide an electric two-wheeler having an electomotive system disposed compactly therein, low center of gravity, satisfactory weight balance, excellent controllability, handling property and external appearance. CONSTITUTION:A front wheel is supported on a front fork, while a rear wheel 11 is supported on a rear frame 5 provided with a battery 17, motor 18 and controller 19. A motor 18 is driven controllably by the controller 19 to transmit power to the rear wheel 11 for travelling in an electric two-wheeler. The battery 17 and motor 18 are disposed near a hub of the rear wheel 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric two-wheeled vehicle that drives a motor to give power to rear wheels for traveling.

[0002]

2. Description of the Related Art In an electric motorcycle, for example, front wheels are supported by a front fork, rear wheels are supported by a rear frame, and a battery, a motor and a controller are further provided, and the motor is driven by the control of the controller. There are some vehicles that drive with power applied to the rear wheels.

Such an electric two-wheeled vehicle uses, for example, a human power applied to a pedal and an auxiliary power of a motor proportional to the human power to drive the rear wheels to drive, or a pedal. Instead, there is a vehicle that drives the motor all the time to give power to the rear wheels for traveling.

[0004]

In such an electric motorcycle, an electric system such as a motor, a battery or a controller is mounted on the vehicle body, but it is difficult to secure a space for mounting these electric systems. It is placed along the seat tube and down tube.

By the way, when the electric system is arranged along the seat tube, the down tube or the like, unless careful consideration is given to the design, the foot hits when getting on and off, and the weight is relatively heavy, so it is easy to handle when stopping. It may be labor intensive. For this reason, the designer pays a great deal of effort to prevent these problems.

The present invention has been made in view of the above circumstances, and the electric system is compactly arranged, has a low center of gravity, has a good weight balance, is excellent in running stability and handleability, and has a good appearance. The purpose is to provide motorcycles.

[0007]

In order to solve the above-mentioned problems, the invention according to claim 1 supports a front wheel on a front fork, while supporting a rear wheel on a rear frame, and further, a battery, a motor and a controller. In an electric motorcycle that drives the motor under the control of this controller to give power to the rear wheels to travel, the battery and the motor are arranged in the vicinity of the hub of the rear wheels.

According to a second aspect of the present invention, the motor is arranged substantially inward of the rear wheel in the radial direction, and the power of the motor is transmitted to the driven member of the rear wheel through the winding power transmission means. The battery is characterized in that the battery is arranged substantially inward of the driven member in the radial direction.

According to a third aspect of the present invention, a fixed dome-shaped disk is fixed to the hub, a driven member is formed on an inner surface of the fixed dome-shaped disk, and the motor is arranged substantially radially inside the rear wheel. The output shaft projects toward the fixed dome-shaped disc side, and the output shaft and the driven member are interlocked with each other via a winding power transmission means.

According to a fourth aspect of the invention, the battery is
It is characterized in that it is arranged so as to cross the rotation surface of the rear wheel.

According to a fifth aspect of the present invention, a fixed dome-shaped disk is fixed to the hub, and a battery housing space for housing the battery is formed in the fixed dome-shaped disk.

The invention according to claim 6 is characterized in that a support bracket is fixed to the rear frame, and the motor, the battery and the controller are supported by the support bracket.

The invention according to claim 7 is characterized in that a tubular portion is formed in the support bracket, and the hub is positioned in the tubular portion.

The invention according to claim 8 is characterized in that the motor is arranged above or below the rear frame.

According to a ninth aspect of the present invention, the battery is
The rear wheels are arranged above and below the axle.

According to a tenth aspect of the present invention, the battery is arranged so as to be inclined in the axle direction of the rear wheel.

According to an eleventh aspect of the present invention, the battery is attached to a battery bracket, and the battery bracket is detachably provided on the support bracket.

According to a twelfth aspect of the present invention, the controller is arranged above or below the rear frame.

[0019]

According to the first aspect of the invention, the battery and the motor are arranged in the vicinity of the hub of the rear wheel, the center of gravity is low, the weight is well balanced, and the running stability and handleability are excellent.

According to the second aspect of the present invention, the motor is arranged substantially inside the rear wheel in the radial direction, the power of the motor is transmitted to the driven member of the wheel through the winding power transmission means, and the diameter of the driven member is further increased. The battery is disposed substantially inward in the direction, is compactly disposed substantially inward in the radial direction of the rear wheel, has a low center of gravity, has a good weight balance, and is excellent in traveling stability and handleability.

According to the third aspect of the present invention, the electric system is arranged on the inner surface of the dome-shaped disc fixed to the hub, and the rear wheel is compact in the radial direction and the width direction, and has a low center of gravity and a good weight balance, and the vehicle travels. Excellent stability and handling.

According to the fourth aspect of the invention, the battery is arranged so as to cross the rotation surface of the rear wheel, and is arranged by utilizing the width of the rear wheel in the vicinity of the hub of the rear wheel, and is compact in the width direction. .

According to the fifth aspect of the invention, since the battery accommodation space for accommodating the battery is formed in the fixed dome-shaped disc, a relatively large battery accommodation space is easily secured by using the fixed dome-shaped disc. It

According to the sixth aspect of the present invention, the motor, the battery and the controller are supported by the support bracket fixed to the rear frame, and are reliably supported by the rear frame.

In the invention according to claim 7, a tubular portion is formed on the support bracket, the hub is positioned in the tubular portion, and the motor, the battery and the controller are arranged by utilizing the axial width of the hub. It is possible to compactly arrange in the width direction.

According to the eighth aspect of the present invention, the loaded motor can be reliably supported by the rear frame.

According to the ninth aspect of the present invention, the batteries are arranged above and below the axle of the rear wheels and are balanced so that the batteries are compactly arranged in the width direction, and the center of gravity is low and the weight is well balanced.

According to the invention of claim 10, the battery is
By arranging the rear wheel so as to be inclined in the axial direction, the battery can be arranged by utilizing the width of the rear wheel and can be compactly arranged in the width direction.

According to the eleventh aspect of the present invention, the battery is attached to the battery bracket, and the battery bracket is detachably provided on the support bracket so that the battery can be surely placed and the battery can be easily replaced.

According to the twelfth aspect of the invention, the controller is arranged on the upper part or the lower part of the rear frame, and the controller is reliably supported by the rear frame.

[0031]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an electric motorcycle according to the present invention will be described below with reference to the drawings. FIG. 1 is a side view of an electric motorcycle, and FIG.
Is a side view showing a state where an electric system is supported on a rear frame by removing a dome-shaped cover and a lid of the electric motorcycle, FIG. 3 is a side view showing an attached state of the electric system detached from a rear frame of the electric motorcycle, and FIG. 3 is a side view showing a state in which the battery bracket of FIG. 3 is removed, FIG. 5 is a sectional view taken along line VV of FIG. 4, FIG. 6 is a sectional view taken along line VI-VI of FIG. 4, and FIG. 8 is an exploded perspective view showing a mounted state, FIG. 8 is an exploded perspective view showing a mounted state of the battery, FIG. 9 is a side view showing the tension mechanism, and FIG. 10 is a sectional view taken along line XX of FIG.

The vehicle body frame 1 of the electric motorcycle is composed of a seat tube 2, a main frame 3, a head pipe 4 and a rear frame 5. A head pipe 4 is provided on the front side of the main frame 3, and a front fork 6 is provided on the head pipe 4. The front wheel 7 is supported on the lower part of the front fork 6, and the handle 8 is mounted on the upper part.
Is provided.

The seat tube 2 is provided on the rear side of the frame 3.
, A saddle 9 is provided on the upper portion of the seat tube 2, and a pedal 10 is rotatably supported on the lower portion. A rear frame 5 is connected to the seat tube 2, and an axle 12 of a rear wheel 11 is supported on the rear frame 5.

A sprocket 13 is rotatably provided on the pedal 10 in an interlocking manner. The sprocket 13 and a sprocket 14 provided on the rear wheel 11 are connected to a chain 15.
Have been passed over. A free wheel 90 is interposed between the axle 12 of the rear wheel 11 and the sprocket 14, and the hub 16 rotates in conjunction with the forward rotation of the sprocket 14, and the hub 16 rotates in the reverse rotation of the sprocket 14.
Does not work together. Further, the forward rotational force of the rear wheel 11 is not transmitted to the sprocket 14.

This electric two-wheeled vehicle is provided with an electric system 20 such as a battery 17, a motor 18 and a controller 19. When a human power is applied by depressing the pedal 10, a torque is generated by a sensor (not shown) provided in the sprocket 13 portion. Based on the detected torque, the motor 18 is driven by the control of the controller 19 based on this torque, and the rear wheel 11 is driven by giving an assisting force proportional to human power. Battery 17, motor 18
An electric system 20 such as a controller 19 is disposed between the fixed dome-shaped cover 21 and the movable dome-shaped disc 22 of the rear wheel 11, and the battery 17, the motor 18, and the controller 19 are provided near the hub 16 of the rear wheel 11. It is arranged.

As described above, the battery 17, the motor 18, the electric system 20 such as the controller 19 are arranged inside the rear wheel 11 in the radial direction, and the relatively heavy battery 17 is provided near the hub 16 of the rear wheel 11. By arranging the motor 18, the center of gravity is low, the weight is well balanced, and the running stability and handleability are excellent.

The fixed dome cover 21 is provided with a main switch 24, the fixed dome cover 21 is provided with a slit 21a in a portion covering the motor 18, and a mounting rib 21b is formed along the slit 21a. There is. A mounting plate 34 is fixed to the motor 18, and the mounting plate 34 penetrates through the slit 21a of the fixed dome-shaped cover 21 to the outside and is applied to the lower side of the rear frame 5 together with the mounting rib 21b. Fixed.

A window portion 21c is formed in a portion of the fixed dome-shaped cover 21 facing the battery 17, and the window portion 21c is formed.
21d of attachment holes are formed in two places along c. A mounting screw 9 is attached to the mounting hole 21d of the fixed dome-shaped cover 21.
1, and the mounting screw 91 is screwed into a screw hole 92 formed in the cover mounting portion 31g of the support bracket 31 to which the battery 17, motor 18, controller 19 and the like are mounted.

On the window portion 21a of the fixed dome-shaped cover 21, a locking piece 23a formed at the end portion of the lid 23 is engaged with the edge portion of the window portion 21a, and is attached and detached by a lock 25 provided on the rear side. It is possible. When replacing the battery 17, by unlocking the lock 25 and removing the lid 23, the battery can be easily replaced through the window 21a of the fixed dome-shaped cover 21.

Inner peripheral portion 22a of the movable dome-shaped disk 22
Is fixed to the hub 16 of the rear wheel 11, a rim 26 is fixed to the outer peripheral portion 22b of the movable dome-shaped disc 22, and a tire 27 is provided on the rim 26. A space 22c is formed on the inner peripheral side of the movable dome-shaped disc 22,
The space 22c is filled with the filling material 28, and the space 22
The rigidity is increased by the cross-sectional shape and the filling material 28 forming c. A space portion 22d is also formed on the outer peripheral side of the movable dome-shaped disc 22, and the space portion 22d is filled with a filling material 29. The cross-sectional shape of the space portion 22d and the filling material 29 enhance rigidity. . Further, a driven pulley 30 which is a driven member is integrally formed on the inner surface of the movable dome-shaped disc 22.

A motor mounting portion 31a, a controller mounting portion 31b, a battery bracket mounting portion 31c, and a cover mounting portion 31g are integrally formed on a synthetic resin support bracket 31 to which the battery 17, motor 18, controller 19, etc. are mounted. ing. Further, the support bracket 31 is integrally formed with a tubular portion 31d, and the hub 16 is positioned in the tubular portion 31d. The cylindrical portion 31d of the support bracket 31 and the motor mounting portion 31a
And a space 31e between the controller mounting portion 31b and the controller mounting portion 31b.
The filling material 32 is filled in the space 31e, and the rigidity is increased by the cross-sectional shape and the filling material 32 forming the space 31e.

In this way, the support bracket 31 is formed with the tubular portion 31d, and the hub 1 is placed in the tubular portion 31d.
6, the motor 18, the battery 17, and the controller 19 can be arranged by utilizing the width of the hub 16 in the axial direction, and can be compactly arranged in the width direction.

Motor mounting portion 3 of support bracket 31
The motor 18 is fitted to the la 1a, and the motor 18 is fastened and fixed to the motor mounting portion 31a by the mounting bolt 33 by the washer 36 and the nut 80.

In this way, the motor 18 operates the rear wheel 11
Of the output shaft 37 of the motor 18
A drive pulley 40 is attached to the bearing via a bearing 38 and a one-way clutch 39, and is prevented from coming off by a washer 41 and a circlip 42. The one-way clutch 39 is provided for the rear wheels 11 when the motor 18 is stopped.
Rotation of the motor 18 is prevented.

The output shaft 37 of the motor 18 is connected to the motor mounting portion 3
A belt 43 as a winding power transmission means is extended between a drive pulley 40 provided on the output shaft 37 and a driven pulley 30 which is a driven member of the movable dome-shaped disc 22 so as to project from the la 1a toward the movable dome-shaped disc 22. , Are interlocked.

As the winding power transmission means, the belt 43 is used in this embodiment, but a chain or the like may be used. In this case, a sprocket is used as the driven member instead of the driven pulley 30. Further, although the motor 18 is arranged in the lower part of the rear frame 5, it may be arranged in the upper part.

In this way, on the inner side in the radial direction of the rear wheel 11,
The motor 18 is arranged and the power of the motor 18 is transmitted to the driven pulley 30 of the rear wheel 11 via the belt 43 as a winding power transmission means. Further, the battery 17 is arranged on the inner side of the driven pulley 30 in the radial direction, is compactly arranged on the inner side of the rear wheel 11 in the radial direction, has a low center of gravity, has a good weight balance, and is excellent in running stability and handleability. .

Further, the electric system 20 is arranged on the inner surfaces of the fixed dome-shaped cover 21 and the movable dome-shaped disc 22, which is compact in the radial and width directions of the wheel, has a low center of gravity, has a good weight balance, and is stable in running. And it is easy to handle.

The controller 19 is fitted and attached to the controller mounting portion 31b of the support bracket 31, and the controller 19 is arranged on the upper portion of the rear frame 5, but the motor 18 is arranged on the upper portion of the rear frame 5. If it is installed, it may be placed at the bottom.

The fixed dome-shaped cover 2 of the rear wheel 11
1 and the movable dome-shaped disc 22 form a battery accommodation space for accommodating the battery 17, and a relatively large accommodation space for the battery 17 is easily secured by using the dome-shaped disc.

A stud bolt 93 is planted in the battery bracket mounting portion 31c of the support bracket 31, and the battery bracket 44 is attached to the stud bolt 93.
Of the nut 46 by inserting the mounting portion 44a of the
It is fastened and fixed by and is detachably attached to the support bracket 31.

The battery bracket 44 has its mounting portion 4
4a, the recess 44b formed in the support bracket 3
It is attached so as to be engaged with the first tubular portion 31d, and battery attachment portions 44c are formed on both sides of the attachment portion 44a. The batteries 17 are fitted and attached to the battery attachment portions 44c, and the batteries 17 are held by the band 47. The battery 17 is arranged so as to cross the rotation surface of the rear wheel 11, is arranged in the vicinity of the hub 16 of the rear wheel 11 by utilizing the width of the rear wheel 11, and is compact in the width direction.

The battery 17 is arranged above and below the axle 12 of the rear wheel 11. Further, as shown in FIG. 5, the battery 17 is arranged so as to be inclined in the axle direction of the rear wheel 11, and the battery 17 is arranged by utilizing the vehicle width of the rear wheel 11. The protrusion to the outside of the wheel width can be suppressed as much as possible, and the width direction can be made compact.

As a result, as described above, it is possible to form the space portion 22c on the inner peripheral side of the movable dome-shaped disk 22, and the movable dome shape is formed by the cross-sectional shape and the filling material 28 forming the space portion 22c. The rigidity of the root portion of the disk 22 is enhanced.

In the battery bracket mounting portion 31c of the support bracket 31, the terminal 48 is held in the terminal hole 31f by the double nut 49, and the terminal 48 (only one side is shown) is biased by the spring 50. This terminal 48
Is connected to the controller 19 by a lead wire (not shown). The terminal 51 provided on the mounting portion 44a of the battery bracket 44 is located at a position corresponding to the terminal 48 of the support bracket 31, and the terminals 48 and 51 are electrically connected by mounting the battery bracket 44.

Further, the electric motorcycle is provided with a tension mechanism 52 for the belt 43 as a winding power transmission means. In the arm 53 of the tension mechanism 52, two rotating wheels 54 and 55 are mounted on bearing blocks 56 and 57, and
The bearing blocks 56 and 57 are rotatably supported via 2, 63, and the respective bearing blocks 56 and 57 are screwed by inserting a pair of screws 58 and 59 from the mounting holes 53a and 53b formed in the arm 53. It is fastened and fixed to. An attachment hole 53a for attaching the bearing block 56 to the arm 53
Are formed at symmetrical positions with the cutout portion 53c interposed therebetween, and the mounting hole 53b for mounting the bearing block 57 is formed.
Are formed on one side and three on the other side with the long hole 53d interposed therebetween.

The shaft portion 54a of the rotary wheel 54 is the bearing block 5
6 is retained by a circlip 60, and the shaft portion 55a of the rotating wheel 55 is attached to the bearing block 57 by the circlip 6.
It is rotatably provided so that it does not come off with 1.

The bearing block 57 is fixed by inserting a screw 59 from the central mounting hole 53b of the three arms 53, and the shaft portion 55a of the rotary wheel 55 is located at the center of the elongated hole 53d of the arm 53. It is located, but if one of the other three mounting holes 53b of the arm 53 is selected, the belt 4
The tension of 3 can be adjusted.

The bearing block 56 of the rotary wheel 54 is
The arm 53 is rotatably supported by a pivot shaft 70 provided on the support bracket 31, and the arm 53 is swingable around the pivot shaft 70. The pivot shaft 70 has two rotating wheels 5.
It is between the shaft support parts 71 and 72 of 4, 55, and is offset to one shaft support part 71 side. The output shaft 37 of the motor 18, which is a drive shaft, has a belt 43 wound around two rotating wheels 54 and 55. Output shaft 37 of motor 18
The direction of rotation of is such that the tension side of the belt 43 is on the side of the pivot shaft 70. The arm 53 is constantly urged outward by the spring force of the spring 73. This spring force keeps the belt 43 wound around when the motor 18 is stopped, and the output shaft 37 of the motor 18 starts to rotate at the moment of sliding. It has been set to a minimum to prevent it.

As shown in FIG. 9, the output shaft 3 of the motor 18
When 7 starts to rotate in the direction of the arrow, the reaction force pulls the belt 43 of the wrapping power transmission means, so that the rotary wheel 54 on the pivot shaft 70 side moves inward (upward in FIG. 9), and The arm 53 rotates about the pivot shaft 70 in the rotation direction of the output shaft 37 of the motor 18. Therefore, the rotating wheel 5 on the opposite side of the output shaft 37 of the motor 18
5 moves outward (downward in FIG. 9) and a predetermined tension is applied to the belt 43, so that torque transmissibility is improved.

Moreover, since the swing amount of the arm 53 around the pivot shaft 70 changes depending on the magnitude of the torque of the motor 18, the tension of the belt 43 and the winding angle of the belt 43 with respect to the driven pulley 40 are automatically adjusted. The appropriate tension that always matches the torque is applied. Motor 18
When the motor 18 is stopped, the arm 53 is constantly urged outward by the spring 73 to maintain the winding state when the motor 18 is stopped and prevent the output shaft 37 of the motor 18 from slipping at the moment of starting rotation. Therefore, the minimum tension for the purpose is only given, and the durability of the belt 43 is improved.

[0062]

As described above, according to the invention of claim 1, since the battery and the motor are arranged near the hub of the rear wheel,
It has a low center of gravity, good weight balance, and excellent running stability and handling.

According to the second aspect of the present invention, the motor is arranged inside the rear wheel in the radial direction, and the power of the motor is transmitted to the driven member of the rear wheel through the winding power transmission means. Since the battery is arranged inside the direction, it is compact, has a low center of gravity, has a good weight balance, and is excellent in running stability and handleability.

According to the third aspect of the present invention, the electric system is arranged on the inner surface of the movable dome-shaped disk fixed to the hub, the rear wheel is compact in the radial direction and the width direction, and has a low center of gravity and good weight balance. Excellent running stability and handling.

According to the fourth aspect of the present invention, the battery is arranged so as to cross the rotation surface of the rear wheel, and is arranged by utilizing the width of the rear wheel in the vicinity of the hub of the rear wheel to make it compact in the width direction. be able to.

According to the fifth aspect of the present invention, since the battery accommodation space for accommodating the battery is formed in the movable dome-shaped disc, a relatively large accommodation space for the battery is easily secured by using the movable dome-shaped disc. It

According to the sixth aspect of the present invention, the motor, the battery and the controller are supported by the support bracket fixed to the rear frame, and are reliably supported by the rear frame.

According to a seventh aspect of the present invention, a tubular portion is formed on the support bracket, and the hub is positioned in the tubular portion. The axial width of the hub is used to connect the motor, the battery, and the controller. It can be arranged, and can be compactly arranged in the width direction.

According to the eighth aspect of the present invention, the loaded motor can be reliably supported by the rear frame.

According to the ninth aspect of the present invention, the batteries are arranged above and below the axle of the rear wheels and are balanced so that the batteries are compactly arranged in the width direction, and the center of gravity is low and the weight is well balanced.

According to the tenth aspect of the invention, the battery can be arranged by utilizing the width of the rear wheel by arranging the battery so as to be inclined in the axle direction of the rear wheel, and the battery can be compactly arranged in the width direction. can do.

According to the eleventh aspect of the present invention, the battery is attached to the battery bracket, and the battery bracket is detachably provided on the support bracket. Therefore, the battery can be securely arranged and the battery can be easily replaced.

According to the twelfth aspect of the invention, the controller is arranged on the upper part or the lower part of the rear frame, and the controller is reliably supported by the rear frame.

[Brief description of drawings]

FIG. 1 is a side view of an electric motorcycle.

FIG. 2 is a side view showing a state in which a fixed dome-shaped cover and a lid of an electric motorcycle are removed and an electric system is supported by a rear frame.

FIG. 3 is a side view showing a mounting state of the electric system removed from the rear frame of the electric motorcycle.

FIG. 4 is a side view showing a state in which the battery bracket of FIG. 3 is removed.

FIG. 5 is a sectional view taken along line VV in FIG. 4;

6 is a cross-sectional view taken along the line VI-VI of FIG.

FIG. 7 is an exploded perspective view showing a mounting state of an electric system.

FIG. 8 is an exploded perspective view showing a mounted state of a battery.

FIG. 9 is a side view showing a belt tension mechanism.

10 is a cross-sectional view taken along line XX of FIG.

[Explanation of Codes] 5 Rear Frame 6 Front Fork 7 Front Wheel 11 Rear Wheel 16 Hub 17 Battery 18 Motor 19 Controller

Claims (12)

[Claims] 1. A front fork supports a front wheel, a rear frame supports a rear wheel, and a battery, a motor, and a controller. The controller controls the motor to drive the rear wheel. In an electric motorcycle that gives and runs, near the hub of the rear wheel,
An electric motorcycle comprising a battery and the motor. 2. The motor is disposed substantially inward of the rear wheel in the radial direction, and the power of the motor is transmitted to a driven member of the rear wheel through a winding power transmission means, and the driven member is substantially radially extended. The electric motorcycle according to claim 1, wherein the battery is arranged inside. 3. A fixed dome-shaped disk is fixed to the hub, a driven member is formed on the inner surface of the fixed dome-shaped disk, and the output shaft of the motor arranged substantially inside the rear wheel in the radial direction is the fixed dome. 3. The electric motorcycle according to claim 1 or 2, wherein the electric two-wheel vehicle projects toward the shaped disk and is linked to the output shaft and the driven member via a winding power transmission means. 4. The electric motorcycle according to any one of claims 1 to 3, wherein the battery is arranged so as to cross a rotation surface of the rear wheel. 5. A fixed dome disk is fixed to the hub, and a battery housing space for housing the battery is formed in the fixed dome disk. The described electric motorcycle. 6. The electric motorcycle according to claim 1, wherein a support bracket is fixed to the rear frame, and a motor, a battery and a controller are supported by the support bracket. 7. The electric motorcycle according to claim 1, wherein the support bracket has a tubular portion, and the hub is positioned in the tubular portion. 8. The electric motorcycle according to claim 1, wherein the motor is arranged in an upper portion or a lower portion of the rear frame. 9. The electric motorcycle according to claim 1, wherein the battery is arranged above and below an axle of the rear wheel. 10. The electric motorcycle according to any one of claims 1 to 9, wherein the battery is arranged so as to be inclined in the axle direction of the rear wheel. 11. The battery is attached to a battery bracket, and the battery bracket is detachably attached to the support bracket.
An electric motorcycle according to any one of claims 1 to 10. 12. The electric motorcycle according to claim 1, wherein the controller is arranged on an upper portion or a lower portion of the rear frame.