Saddle-riding type vehicle

Abstract

To prevent comfort of a driver from being impaired even when a larger battery is installed.SOLUTION: A saddle-riding type vehicle (1) is an electrically-operated vehicle that can run by electric power. The saddle-riding type vehicle is provided with a seat (35) on which the hip of a rider is placed behind a handle, a stationary battery (61) installed below the seat, and a swing arm (41) that is swung below the battery. A center (43) of swinging of the swing arm is positioned closer to a front side than a rear end of a lower surface of the battery. The battery is inclined forward so that a front end of the lower surface of the battery approaches the center of swinging, and a rear end of the lower surface of the battery is positioned closer to an upper side than a front end of the lower surface thereof.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to a saddle-type vehicle. [Background technology]

[0002] In recent years, electric straddle-type vehicles that run on electricity have been developed. A known example of this type of straddle-type vehicle is a scooter-type vehicle in which a storage box and a battery are installed under the seat (see, for example, Patent Document 1). In the straddle-type vehicle described in Patent Document 1, a low floor board is installed in front of the seat, and the space below the seat is covered by a body cover. A storage box is installed in the upper space within the body cover, and a fixed battery is installed in the lower space within the body cover. In addition, a motor and a rear wheel are installed at the rear end of a swing arm that extends rearward from near the battery. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] International Publication No. 2012 / 043562 Summary of the Invention [Problem to be solved by the invention]

[0004] However, it is preferable to position the swingarm pivot below the battery in order to reduce the overall length of the saddle-type vehicle described in Patent Document 1. In this case, if a large battery is mounted on the saddle-type vehicle, the swing arm swing space becomes narrow, making it difficult to absorb unevenness in the road surface, resulting in a poor ride.

[0005] The present invention has been made in view of the above-mentioned points, and has an object to provide a saddle-type vehicle in which the comfort of the driver is not impaired even when a large battery is installed. [Means for solving the problem]

[0006] One embodiment of the saddle-type vehicle of the present invention is an electric saddle-type vehicle that can be propelled by electricity, and comprises a seat behind a handlebar on which the driver's buttocks are placed, a fixed battery installed below the seat, and a swing arm that swings below the battery, wherein the swing center of the swing arm is located forward of the rear end of the underside of the battery, the battery tilts forward so that the front end of the underside of the battery approaches the swing center, and the rear end of the underside of the battery is located higher than the front end of the underside of the battery, thereby solving the above-mentioned problems. Effect of the Invention

[0007] According to a saddle-type vehicle of one aspect of the present invention, even if a large-capacity battery is installed, the battery is tilted forward so that the rear end of the lower surface of the battery is positioned upward, ensuring a wide swing space for the swing arm. The swing of the swing arm improves the riding comfort of the saddle-type vehicle. [Brief description of the drawings]

[0008] [Figure 1] FIG. 2 is a left side view of the saddle-ride type vehicle of the present embodiment. [Diagram 2] FIG. 4 is a left side view of the rear part of the vehicle body of the comparative example. [Diagram 3] FIG. 2 is a left side view of the rear part of the vehicle body of the present embodiment. [Figure 4] FIG. 2 is a top view of the rear part of the vehicle body of the present embodiment. [Diagram 5] FIG. 2 is an explanatory diagram of a battery layout according to the present embodiment. [Figure 6] FIG. 2 is an explanatory diagram of a battery layout according to the present embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] A saddle-type vehicle according to one aspect of the present invention runs on battery power. A seat on which a driver's buttocks are placed is installed behind the handlebars of the saddle-type vehicle. A fixed battery is installed below the seat, and a swing arm swings below the battery. The swing center of the swing arm is located forward of the rear end of the lower surface of the battery. The battery is tilted forward so that the front end of the lower surface of the battery approaches the swing center, and the rear end of the lower surface of the battery is located higher than the front end of the lower surface of the battery. Even if a battery with a large capacity is installed, the rear end of the lower surface of the battery is positioned higher due to the forward tilt of the battery, thereby ensuring a wide swing space for the swing arm. The swing of the swing arm improves the ride comfort of the saddle-type vehicle. EXAMPLES

[0010] The saddle-type vehicle of this embodiment will be described below with reference to the accompanying drawings. Fig. 1 is a left side view of the saddle-type vehicle of this embodiment. Fig. 2 is a left side view of the rear part of the vehicle body of a comparative example. In the following drawings, the arrow Fr indicates the front of the vehicle, the arrow Re indicates the rear of the vehicle, the arrow L indicates the left side of the vehicle, and the arrow R indicates the right side of the vehicle.

[0011] As shown in Fig. 1, a saddle-type vehicle 1 is configured by mounting various covers as the exterior of the vehicle body on an underbone-type body frame 10 (see Fig. 3). A front cover 21 is provided at the front of the vehicle, and a front leg shield 22 that protects the rider's legs is provided at the rear of the front cover 21. A floor board 31 extends rearward from the lower end of the front leg shield 22, and a body cover 23 and a pair of side covers 24 are provided behind the floor board 31. A seat 35 is installed on the upper part of the side cover 24, and is provided with a front seating surface 36 for the driver and a rear seating surface 37 for the passenger.

[0012] A handlebar 26 is provided on the upper side of the front cover 21, and a front wheel 28 is rotatably supported on the lower side of the front cover 21 via a pair of front forks 27. A swing arm 41 with a motor 45 (see FIG. 5) is provided on the lower side of the side cover 24. The swing arm 41 is swingably connected to the body frame 10, and a rear wheel 29 is rotatably supported on the rear part of the swing arm 41. A left side surface of the swing arm 41 is covered by a swing arm cover 42, and power is transmitted from the motor 45 to the rear wheel 29 via a belt-type continuously variable transmission (not shown) inside the swing arm cover 42.

[0013] In a typical saddle-ride type vehicle, a battery and a storage box are installed below the seat. For example, in the saddle-ride type vehicle of the comparative example shown in Fig. 2, a battery 73 and a storage box 74, which are generally rectangular in side view, are installed side by side in the front and rear in the space below a seat 72. A floor board 75 is installed diagonally below and in front of the battery 73, and the storage box 74 is installed behind the battery 73. A swing arm 76 is supported by the body frame 71 below the battery 73 so as to be able to swing, and a seat 72 is installed above the battery 73 so as to cover the battery 73 and the storage box 74.

[0014] When a large battery 73 is installed in a saddle-ride type vehicle, the installation space for peripheral parts is limited by the battery 73. The tread of the floor board 75 becomes narrower in front of the battery 73, the storage capacity of the storage box 74 becomes narrower behind the battery 73, the swing space of the swing arm 76 becomes narrower below the battery 73, and the cushion thickness of the seat 72 becomes smaller above the battery 73. In addition, the load shared by the front wheels becomes smaller, making the shimmy phenomenon more likely to occur. Therefore, in this embodiment, the battery 61 (see FIG. 3) is tilted forward to ensure the installation space for peripheral parts and to move the center of gravity of the battery 61 forward to suppress the shimmy phenomenon.

[0015] Hereinafter, the rear structure of the saddle riding type vehicle will be described with reference to Fig. 3 and Fig. 4. Fig. 3 is a left side view of the rear body of the vehicle body of this embodiment. Fig. 4 is a top view of the rear body of the vehicle body of this embodiment. Fig. 3 and Fig. 4 show a state in which the seat, cover, floor board, etc. are omitted from the saddle riding type vehicle.

[0016] As shown in Figures 3 and 4, at the rear of the body of the saddle riding type vehicle 1, a pair of side frames 11 extend obliquely upward from the front to the rear. A battery 61 and a storage box 51 are arranged side by side in front and rear inside the pair of side frames 11. A battery case of the battery 61 is formed in a generally rectangular shape in a side view, and a plurality of cells (single cells) are stored inside the battery case. The battery 61 is tilted forward so that, in a side view, a front lower corner of the battery 61 is the lowest and a rear upper corner of the battery 61 is the highest, and the front upper corner of the battery 61 is the most forward and the rear lower corner of the battery 61 is the most rear.

[0017] A fixed bracket 12 protrudes upward from near the rising edge of the front side of the pair of side frames 11, and a fixed bracket 13 protrudes downward from the middle position between the pair of side frames 11. A front fixing portion 62 (see FIG. 5) at the front end of the underside of the battery 61 is fixed to the front fixing bracket 12, and a rear fixing portion 63 (see FIG. 5) at the rear end of the underside of the battery 61 is fixed to the rear fixing bracket 13. The rear fixing portion 63 is fixed to the pair of side frames 11 at a higher position than the front fixing portion 62 of the battery 61, and the battery 61 is supported from below in a forward tilted position by the pair of side frames 11.

[0018] A flange 52 is provided around an opening 53 on the upper surface of the storage box 51, and the lower surface of the storage box 51 is inclined to avoid interference with the rear wheels 29. The front side of the flange 52 covers the rear side of the upper surface of the battery 61, and the rear side of the flange 52 covers the rear ends of the pair of side frames 11. A fixed bracket 14 is provided on the rear ends of the pair of side frames 11, and the support surface of the fixed bracket 14 is located at approximately the same height as the upper corners of the rear side of the battery 61. The front side of the flange 52 is fixed to the upper corners of the rear side of the battery 61, and the rear side of the flange 52 is fixed to the fixed bracket 14 of the pair of side frames 11.

[0019] A fixed bracket 15 projects downward from near the rising edge of the front side of the pair of side frames 11, and a swing arm 41 is supported by the fixed bracket 15 so as to be able to swing via a pivot (swing center) 43. The base end of the swing arm 41 serves as a motor case 44, and a motor 45 (see FIG. 5) is installed inside the motor case 44. The rear wheel 29 is supported at the rear end of the swing arm 41, and a rear suspension (not shown) is connected to it. By positioning the motor 45 closer to the pivot 43 of the swing arm 41, vibrations transmitted to the motor 45 when the swing arm 41 swings are suppressed.

[0020] The battery layout will be described below with reference to Fig. 5 and Fig. 6. Fig. 5 and Fig. 6 are explanatory diagrams of the battery layout of this embodiment. Fig. 5 and Fig. 6 show cross-sectional views cut along the center line of the vehicle body extending in the front-rear direction of the vehicle body.

[0021] As shown in Fig. 5, a seat 35 is installed on the vehicle body behind the handlebars. A front seating surface 36 on which the driver's buttocks are placed is formed in front of the seat 35, and a rear seating surface 37 on which the passenger's buttocks are placed is formed in the rear of the seat 35. A storage space covered with a body cover 23 and a side cover 24 (see Fig. 1) is provided below the seat 35. A fixed battery 61 is installed in the front space below the seat 35, and a storage box 51 is installed in the rear space below the seat 35. A floor board 31 is installed in front of and below the seat 35, and a swing arm 41 is installed below the battery 61 and the storage box 51.

[0022] A floor board 31 is installed in front of the battery 61, and a storage box 51 is installed behind the battery 61, with the battery 61 positioned between the floor board 31 and the storage box 51 in the front-rear direction. A seat 35 is installed above the battery 61, and a swing arm 41 is installed below the battery 61, with the battery 61 positioned between the seat 35 and the swing arm 41 in the up-down direction. When the saddle riding type vehicle 1 is stopped, the seat 35 is opened and closed by a hinge portion 38 above the battery 61, and when the saddle riding type vehicle 1 is traveling, the swing arm 41 is swung about a pivot 43 below the battery 61.

[0023] As described above, the battery 61 is supported by the pair of side frames 11 in a forward tilted position. In this case, the center of gravity O1 of the battery 61 in the forward tilted position is located forward and below the center of gravity O2 of the battery 61a in the horizontal position shown by the two-dot chain line. More specifically, the rear end of the lower surface of the battery 61a is positioned slightly above the upper swing limit position of the swing arm 41, and the rear end of the lower surface of the battery 61a and the front end of the lower surface are supported at the same height. The battery 61 of this embodiment is supported in a forward tilted state so that the front end of the lower surface of the battery 61a is lowered, with the rear end of the lower surface of the battery 61a in the horizontal position as a fulcrum.

[0024] That is, the battery 61 is tilted forward with a fulcrum at a position above the upper limit of the swing of the swing arm 41. The inclination of the battery 61 is adjusted to an angle that does not interfere with the swing arm 41 during swinging. A front surface 64 of the battery 61 is inclined so as to recede rearward from the upper end of the front surface toward the lower end of the front surface, and a rear surface 65 of the battery 61 is inclined so as to recede forward from the lower end of the rear surface toward the upper end of the rear surface. A lower surface 66 of the battery 61 is inclined so as to become higher from the front end of the lower surface toward the rear end of the lower surface, and an upper surface 67 of the battery 61 is inclined so as to become lower from the rear end of the upper surface toward the front end of the upper surface.

[0025] The forward tilt of the battery 61 brings the lower front end of the battery 61 closer to the floor board 31. The front face 64 of the battery 61 is tilted so that the lower front end of the battery 61 is located rearward of the upper front end. The battery 61 is covered from the front side by the body cover 23 below the seat 35. The front face of the body cover 23 is tilted along the front face 64 of the battery 61, and the part where the lower end of the body cover 23 comes into contact with the floor board 31 forms the rear end of the tread of the floor board 31. The upper side of the body cover 23 protrudes forward to expand the installation space for the battery 61, and the lower side of the body cover 23 retracts rearward to expand the tread of the floor board 31.

[0026] The front-rear position P1 of the upper end of the front face of the battery 61 is located forward of the front-rear position P2 of the rear end of the tread of the floorboard 31, and the front-rear position P3 of the lower end of the front face of the battery 61 is located rearward of the front-rear position P2 of the rear end of the tread of the floorboard 31. Positioning the upper end of the front face of the battery 61 forward allows the installation of a battery 61 with a large capacity, and positioning the lower end of the front face of the battery 61 rearward ensures a wide tread of the floorboard 31, making it less likely that the driver's feet will become cramped. Positioning the center of gravity O1 of the battery 61, which is a heavy object, forward increases the load shared by the front wheels, thereby suppressing the shimmy phenomenon.

[0027] By tilting the battery 61 forward, the front surface 64 of the battery 61 is brought closer to the front end of the seat 35, expanding the space behind the battery 61. The rear surface 65 of the battery 61 is tilted so that the upper end of the rear surface of the battery 61 is positioned forward of the lower end of the rear surface. The front surface of the storage box 51 is tilted along the rear surface 65 of the battery 61, and the storage capacity of the storage box 51 is increased by the amount that the front surface of the storage box 51 is tilted. The front-to-rear width of the storage box 51 is increased from the bottom surface toward the top. The top surface of the storage box 51 is open, and the opening 53 of the storage box 51 is enlarged, making it easier to put items in and take them out.

[0028] A front-rear position P4 of the lower rear end of the battery 61 is located behind a front-rear position P5 of the upper front end of the storage box 51, and a front-rear position P6 of the upper rear end of the battery 61 is located forward of a front-rear position P5 of the upper front end of the storage box 51. Positioning the lower rear end of the battery 61 rearward allows a battery 61 with a large capacity to be installed, and positioning the upper rear end of the battery 61 forward ensures a large storage capacity of the storage box 51. In this way, the rear space is expanded by tilting the battery 61 forward, and the storage box 51 is installed by effectively using the rear space.

[0029] As shown in Fig. 6, a swing arm 41 is supported on a fixed bracket 15 of a side frame 11 via a pivot 43. A motor 45 having a circular shape in a side view is installed inside a motor case 44 of the swing arm 41. In a side view, the upper surface of the motor case 44 is inclined so as to become higher from the pivot 43 toward the rear, and the lower surface of the motor case 44 is inclined so as to become lower from the pivot 43 toward the rear. At the base end side of the swing arm 41, the distance between a lower surface 66 of the battery 61 and the upper surface of the swing arm 41 is sufficiently widened due to the inclination of the battery 61 and the shape of the motor case 44.

[0030] A front fixing part 62 protrudes from the front end of the lower surface of the battery 61, and a rear fixing part 63 protrudes from the rear end of the lower surface of the battery 61. The front fixing part 62 and the rear fixing part 63 are fixed to fixing brackets 12, 13 extending from the side frame 11 which is upwardly oriented at the rear. Since the front fixing part 62 and the rear fixing part 63 are structured not to enter the battery 61, multiple cells can be efficiently installed in the battery 61 which is generally rectangular in side view. Since the lower surface 66 of the battery 61 is also inclined upwardly oriented at the rear like the side frame 11, the lower surface 66 of the battery 61 is brought close to the side frame 11, and the front fixing part 62 and the rear fixing part 63 are formed compactly.

[0031] The pivot 43 of the swing arm 41 is located forward of the rear end of the underside of the battery 61 and rearward of the front end of the underside. The forward tilt of the battery 61 brings the front end of the underside of the battery 61 closer to the pivot 43. The underside 66 of the battery 61 is tilted so that the rear end of the underside of the battery 61 is located higher than the front end of the underside. In this case, the underside 66 of the battery 61 is positioned outside the swing space of the swing arm 41 centered on the pivot 43. With minimal interference with the battery 61 when the swing arm 41 swings, the battery 61 is installed in a low position, thereby lowering the center of gravity of the vehicle.

[0032] A front-rear position P7 of the rear end of the underside of the battery 61 is located forward of a front-rear position P8 of the rear surface of the motor case 44 of the swing arm 41. A height H1 of the front end of the underside of the battery 61 is located below the heights H2, H3 of the top surfaces of the motor case 44 and the motor 45, and a height H4 of the rear end of the underside of the battery 61 is located above the heights H2, H3 of the top surfaces of the motor case 44 and the motor 45. Positioning the front end of the underside of the battery 61 downward allows a battery 61 with a large capacity to be installed, and positioning the rear end of the underside of the battery 61 upward ensures a swinging space for the swing arm 41, improving the ride comfort of the saddle-ride type vehicle 1.

[0033] In this way, the front end of the underside of the battery 61 is installed low by utilizing the space in front of the motor case 44. By lowering the front end of the underside of the battery 61, even if the motor case 44 and the motor 45 are positioned directly below the battery 61, it is possible to lower the center of gravity O1 of the battery 61 while ensuring the distance between the motor case 44 and the battery 61. Furthermore, by installing the entire battery 61 low, the battery 61 can be brought closer to the motor 45 inside the swing arm 41. The battery terminal (not shown) of the battery 61 and the motor terminal (not shown) of the motor 45 are brought closer to each other, and the cable 68 extending from the battery 61 to the motor 45 can be shortened.

[0034] The forward tilt of the battery 61 separates the front end of the upper surface of the battery 61 from the front seating surface 36 of the seat 35. The upper surface 67 of the battery 61 is tilted so that the front end of the upper surface of the battery 61 is positioned lower than the rear end of the upper surface. A hinge portion 38 that connects the seat 35 to be able to swing is provided at the front end of the upper surface of the battery 61. The hinge portion 38 is provided by utilizing the space between the battery 61 and the seat 35, and the hinge portion 38 does not protrude upward from the seat 35. Behind the hinge portion 38, the bottom plate 39 of the seat 35 bulges downward, and the cushion thickness between the front seating surface 36 of the seat 35 and the bottom plate 39 is increased.

[0035] A front-rear position P9 of the rear end of the upper surface of the battery 61 is located rearward of a front-rear position P10 of the rear end of the front seat surface 36 of the seat 35, and the cushion thickness of the front seat surface 36 of the seat 35 is greater. A height H5 of the rear end of the upper surface of the battery 61 is located above a height H6 of the rotation shaft of the hinge portion 38, and a height H7 of the front end of the upper surface of the battery 61 is located below a height H6 of the rotation shaft of the hinge portion 38. Positioning the rear end of the upper surface of the battery 61 upward allows a battery 61 with a large capacity to be installed, and positioning the front end of the upper surface of the battery 61 downward ensures a sufficient cushion thickness of the seat 35, improving the ride comfort of the saddle-type vehicle 1.

[0036] As described above, according to the saddle riding type vehicle 1 of this embodiment, the battery 61 having a large capacity is installed in a forward inclined position. By positioning the lower end of the front surface of the battery 61 rearward, the tread surface of the floor board 31 is secured widely, and the driver's feet are unlikely to become cramped. By positioning the upper end of the rear surface of the battery 61 forward, a wide space is secured behind the battery 61, and components such as the storage box 51 and the tail lamp can be easily installed. By positioning the rear end of the lower surface of the battery 61 upward, a wide swing space of the swing arm 41 is secured, and the riding comfort of the saddle riding type vehicle 1 is improved. By positioning the front end of the upper surface of the battery 61 downward, a sufficient cushion thickness of the seat 35 is secured, and the cushion thickness of the seat 35 makes it easier to absorb vibrations from the vehicle body, and the riding comfort of the saddle riding type vehicle 1 is improved. In addition, the center of gravity O1 of the battery 61 is positioned forward by the amount that the front surface 64 of the battery 61 protrudes forward, and the front wheel load distribution increases, so that the shimmy phenomenon that causes the handlebars 26 and the like to vibrate in small movements can be suppressed.

[0037] In this embodiment, the battery is formed in a generally rectangular shape when viewed from the side, but the shape of the battery is not particularly limited as long as the battery can be installed under the seat.

[0038] In addition, in this embodiment, a double seat with seating surfaces for the driver and the passenger is exemplified as the seat, but the seat may be a single seat with only a seating surface for the driver. In the case of a single seat, the storage box may be removed, or the length of the storage box from front to rear may be narrowed.

[0039] Further, in this embodiment, the storage box is provided behind the battery, but a component other than the storage box may be provided behind the battery.

[0040] In addition, in this embodiment, the storage box is formed into a cylindrical shape with a bottom and an open top, but the shape of the storage box is not particularly limited as long as the storage box is formed to be able to store items.

[0041] Further, in this embodiment, the motor is provided at the base end of the swing arm, but the motor may be provided at the rear end of the swing arm.

[0042] In addition, in this embodiment, the pair of side frames are formed so as to extend upward toward the rear, but the pair of side frames may be formed so as to pass along the sides of the battery. For example, the pair of side frames may function as seat frames.

[0043] Further, in this embodiment, the lower surface of the battery is supported by the pair of side frames, but the upper surface of the battery may be supported by the pair of side frames.

[0044] In addition, in this embodiment, the hinge portion is provided at the front end of the upper surface of the battery, but the hinge portion may be provided anywhere between the battery and the seat.

[0045] The layout of the motor in this embodiment is not limited to the above-mentioned saddle-ride type vehicle, and may be adopted in other saddle-ride type vehicles. Note that the saddle-ride type vehicle is not limited to all vehicles in which the rider sits astride the seat, but also includes scooter-type vehicles in which the rider does not sit astride the seat.

[0046] As described above, the first embodiment is an electric straddle-type vehicle (1) that can run on electricity, and includes a seat (35) on which the rider's buttocks are placed behind the handlebars (26), a fixed battery (61) installed below the seat, and a swing arm (41) that swings below the battery, with the swing center (pivot 43) of the swing arm located forward of the rear end of the lower surface of the battery, the battery tilting forward so that the front end of the lower surface of the battery approaches the swing center, and the rear end of the lower surface of the battery is located higher than the front end of the lower surface of the battery. With this configuration, even if a large-capacity battery is installed, the rear end of the lower surface of the battery is positioned higher due to the forward tilt of the battery, thereby ensuring a wide swing space for the swing arm. The swing of the swing arm improves the riding comfort of the saddle-type vehicle.

[0047] In the second embodiment, the rear end of the lower surface of the battery is located forward of the rear surface of the base end of the swing arm (motor case 44) in the first embodiment, and the front end of the lower surface of the battery is located below the uppermost surface of the base end of the swing arm. With this configuration, even if the base end of the swing arm is located directly below the battery, the center of gravity O1 of the battery can be lowered while ensuring the distance between the swing arm and the battery.

[0048] In the third embodiment, the battery of the second embodiment further includes a motor (45) installed at the base end of the swing arm, and the front end of the lower surface of the battery is located lower than the uppermost surface of the motor. With this configuration, even if the motor is located directly below the battery, the front end of the lower surface of the battery is located in front of the motor, so that the center of gravity of the battery can be lowered.

[0049] The fourth aspect is any one of the first to third aspects, and includes a rear-upward side frame (11) located below the seat, with a front fixing part (62) fixed to the side frame protruding from the front end of the lower surface of the battery, and a rear fixing part (63) fixed to the side frame protruding from the rear end of the lower surface of the battery. With this configuration, the front fixing part and the rear fixing part do not enter the battery, so that multiple cells can be efficiently installed in the battery that is generally rectangular in side view. Like the side frames, the lower surface of the battery is also inclined rearward upward, so that the lower surface of the battery is brought close to the side frame, and the front fixing part and the rear fixing part are formed compactly.

[0050] Although the present embodiment has been described, other embodiments may be made by combining the above-described embodiments and modifications in whole or in part.

[0051] In addition, the technology of the present invention is not limited to the above examples, and may be modified, substituted, or altered in various ways without departing from the spirit of the technical idea. Furthermore, if the technical idea can be realized in a different way due to the progress of technology or a different technology derived therefrom, the invention may be implemented using that method. Therefore, the claims cover all embodiments that may be included within the scope of the technical idea. [Explanation of symbols]

[0052] 1: Saddle-type vehicle 11: Side frame 23:Body cover 26: Handle 31: Floorboard 35:Sheet 36: Front seat surface (seat surface) 38: Hinge part 41: Swing arm 43: Pivot (center of oscillation) 44: Motor case (base end of swing arm) 45: Motor 51: Storage box 53 :Aperture 61: Battery 62: Front fixed part 63: Rear fixed part 64: Front of the battery 65: Rear of the battery 66: Underside of the battery 67: Top of the battery

Claims

1. An electric straddle-type vehicle that can run on electricity, A seat on which the driver's buttocks are placed behind the steering wheel; A fixed battery installed under the seat; a swing arm that is swung below the battery, The swing center of the swing arm is located forward of the rear end of the lower surface of the battery, The battery is tilted forward so that the front end of the lower surface of the battery approaches the swing center, A saddle-type vehicle, characterized in that a rear end of a lower surface of the battery is located higher than a front end of a lower surface of the battery.

2. a rear end of a lower surface of the battery is located forward of a rear surface of a base end portion of the swing arm, 2. The saddle-type vehicle according to claim 1, wherein a front end of a lower surface of the battery is positioned lower than an uppermost surface of a base end portion of the swing arm.

3. A motor is provided at a base end of the swing arm, 3. The straddle-type vehicle according to claim 2, wherein a front end of a lower surface of the battery is positioned lower than a top surface of the motor.

4. A rear-upward side frame is provided below the seat, a front fixing portion fixed to the side frame protrudes from a front end of a lower surface of the battery; 3. The straddle-type vehicle according to claim 1, wherein a rear fixing portion fixed to the side frame protrudes from a rear end of a lower surface of the battery.

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