JP2021066220A - Saddle-ride type electric tricycle - Google Patents

Abstract

To provide a saddle-ride type electric tricycle in which a high pressure harness bridged between a front vehicle body and a rear vehicle body can satisfactorily be handled.SOLUTION: A saddle-ride type electric tricycle (1) including: a front vehicle body (BF) supporting a single front wheel (WF); a rear vehicle body (BR) supporting rear wheels (WR) as a pair of right and left drive wheels; a power unit (90) supporting the rear wheels (WR) and housing a motor (M); and a swing device (50) mounted on a lower part of the front vehicle body (F) and pivotally supporting the rear vehicle body (BR) so that the rear vehicle body (BR) is swingable in a rolling direction, comprises: power supply devices (B, J) provided on the front vehicle body (BF); and a control device (64) provided on the rear vehicle body (BR) and configured to control power supplied to the motor (M). A high-voltage harness (H1) connecting the power supply devices (B, J) and the control device (64) is provided with a curved part (C) curved in a U-shape projecting forward, at a front position of the swing device (50).SELECTED DRAWING: Figure 20

Description

The present invention relates to a saddle-mounted electric tricycle, and more particularly to a saddle-mounted electric tricycle having a front vehicle body that supports the front wheels and a rear vehicle body that supports a pair of left and right rear wheels.

Conventionally, a saddle-mounted electric tricycle having one front wheel and two rear wheels and traveling by driving the rear wheels with a motor has been known.

Patent Document 1 includes a front vehicle body that supports the front wheels and a rear vehicle body that supports the rear wheels, and stores the battery under the seat provided on the front vehicle body, and also stores the front vehicle body and the rear vehicle body. A configuration including a swing device that swings freely in the roll direction is disclosed.

JP-A-2019-77287

Here, in a configuration in which a power supply system such as a battery is provided on the front vehicle body and a motor or the like is provided on the rear vehicle body, a high-pressure harness for supplying electric power to the motor is bridged between the front vehicle body and the rear vehicle body. Need arises. At this time, since the front vehicle body swings in the roll direction with respect to the rear vehicle body, it is necessary to take care so that the high-voltage harness is not affected by the swinging motion. Was not considered.

An object of the present invention is to solve the above-mentioned problems of the prior art and to provide a saddle-type electric tricycle capable of satisfactorily handling a high-voltage harness bridged between a front vehicle body and a rear vehicle body.

In order to achieve the above object, the present invention presents a front vehicle body (BF) that supports a single front wheel (WF) and a rear vehicle body (BR) that supports a rear wheel (WR) as a pair of left and right drive wheels. The power unit (90) that supports the rear wheel (WR) and houses the motor (M), and the rear vehicle body (BR) that is attached to the lower part of the front vehicle body (F) and swings in the roll direction. In a saddle-mounted electric three-wheeled vehicle (1) including a swinging device (50) that can support the shaft, supply to the power supply devices (B, J) provided on the front vehicle body (BF) and the motor (M). A high-voltage harness (H1) that controls electric power and includes a control device (64) provided on the rear vehicle body (BR) and connects the power supply devices (B, J) and the control device (64). The first feature is that a curved portion (C) that curves in a U shape with the front convex is provided at a position in front of the rocking device (50).

Further, the power supply devices (B, J) include a battery (B) arranged below the seat (22) and a junction box (J) as a wiring terminal arranged behind the battery (B). The high-voltage harness (H1) has a second feature in that it connects the junction box (J) and the control device (64).

Further, two batteries (B) are arranged side by side in the vehicle width direction below the seat (22), and below the battery side terminals (100) provided at the bottom of the battery (B). The high-voltage harness (H1) is a portion from the junction box (J) toward the curved portion (C), and is provided with a pair of left and right vehicle body side terminals (99) connected from the left and right vehicle body side terminals (99). The third feature is that it is distributed through the space between 99).

Further, the high-voltage harness (H1) is a portion from the bent portion (C) toward the control device (64), and is arranged adjacent to the side surface (58) of the rocking device (50), and is arranged on the vehicle body side. The terminal (90) is covered from below by a cover member (30R), and an extension portion (30a) extending downward is provided below the cover member (30R), and the extension portion (30a) is provided. ) Is arranged on the outer side in the vehicle width direction of the high-voltage harness (H1) arranged adjacent to the side surface (58) of the rocking device (50).

A fifth feature of the high-voltage harness (H1) is that it is fixed to the side surface (58) of the swing device (50) at a portion from the bent portion (C) toward the control device (64). There is.

Further, the high-voltage harness (H1) extends from the left side in the vehicle width direction of the control device (64) and is fixed to the side surface (58) on the right side in the vehicle width direction of the rocking device (50). There are 6 features.

Further, the seventh feature is that the control device (64) is arranged offset to the right with respect to the vehicle body center line (O).

Further, the eighth feature is that the motor (M) is arranged offset to the left side with respect to the vehicle body center line (O).

Further, the rear vehicle body (BR) is provided with a rear vehicle body frame (70) that supports a loading platform (19) provided above the power unit (90), and the control device (64) is the control device (64). The ninth feature is that it is fixed to the rear vehicle body frame (70) and is exposed toward the front of the rear vehicle body (BR).

Further, it has a rear cover (15) that covers the rear portion of the front vehicle body (BF), and the rear surface (15a) of the rear cover (15) is tilted backward so that the upper portion is located rearward than the lower portion thereof. The tenth feature of the control device (64) is that the control device (64) is arranged so as to be tilted backward in accordance with the rear surface (15a) of the rear surface cover (15).

According to the first feature, a front vehicle body (BF) that supports a single front wheel (WF), a rear vehicle body (BR) that supports the rear wheels (WR) as a pair of left and right drive wheels, and the rear vehicle body (BR). A power unit (90) that supports the wheel (WR) and houses the motor (M), and a shaft support that is attached to the lower part of the front vehicle body (F) so that the rear vehicle body (BR) can swing in the roll direction. In the saddle-mounted electric three-wheeled vehicle (1) including the swinging device (50), the power supply devices (B, J) provided on the front vehicle body (BF) and the power supplied to the motor (M) are controlled. The rocking device is attached to a high-voltage harness (H1) that includes a control device (64) provided on the rear vehicle body (BR) and connects the power supply devices (B, J) and the control device (64). At the position in front of (50), a curved portion (C) that curves in a U shape with the front convex is provided. Therefore, by providing the curved portion in front of the rocking device, in the vicinity of the rocking device. It becomes easy to arrange the high-voltage harness linearly along the swing axis in the roll direction. As a result, even when the front vehicle body swings in the roll direction with respect to the rear vehicle body, the high-pressure harness can be less affected by the swing operation.

According to the second feature, the power supply devices (B, J) are provided as a battery (B) arranged below the seat (22) and a wiring terminal arranged behind the battery (B). The high-voltage harness (H1) connects the junction box (J) and the control device (64), so that the high-voltage harness is connected to the rear of the front vehicle body. Even in the case of a junction box located closer to the junction box, the provision of the curved portion enables the high-voltage harness to be linearly arranged in the front-rear direction at a position near the rocking device.

According to the third feature, two batteries (B) are arranged side by side in the vehicle width direction below the seat (22), and the battery side is provided at the bottom of the battery (B). A pair of left and right vehicle body side terminals (99) connected to the terminal (100) from below are provided, and the high voltage harness (H1) is a portion from the junction box (J) toward the curved portion (C), and is left and right. Since the wiring is routed between the vehicle body side terminals (99), it is possible to route the high voltage harness using the space between the left and right vehicle body side terminals. Further, when the rocking device is arranged below the battery, a high-pressure harness is arranged between the battery and the rocking device, and the high-pressure harness can be protected from flying stones, external force, and the like. ..

According to the fourth feature, the high-voltage harness (H1) is arranged adjacent to the side surface (58) of the swing device (50) at a portion toward the control device (64) from the bent portion (C). The vehicle body side terminal (90) is covered from below by a cover member (30R), and an extension portion (30a) extending downward is provided below the cover member (30R). Since the extension portion (30a) is arranged on the outer side in the vehicle width direction of the high-voltage harness (H1) arranged adjacent to the side surface (58) of the rocking device (50), the rocking device side. It is possible to protect the high-voltage harness of the portion located on the side from flying stones, external force, etc. by the extending portion of the cover member.

According to the fifth feature, the high-voltage harness (H1) is fixed to the side surface (58) of the swing device (50) at a portion from the bent portion (C) toward the control device (64). Therefore, by fixing the high-voltage harness to the swing device, it is possible to effectively utilize the dead space on the side of the swing device and to stably distribute the high-voltage harness. Further, even if the front vehicle body swings in the roll direction with respect to the rear vehicle body, it is possible to prevent the movement from being transmitted to the high pressure harness in front of the swing device.

According to the sixth feature, the high-voltage harness (H1) extends from the left side in the vehicle width direction of the control device (64) and extends to the right side surface (58) in the vehicle width direction of the rocking device (50). Since it is fixed, the high-pressure harness that comes out from the left side of the control device is arranged toward the right side of the rocking device located in front, so that the high-pressure harness is positioned between the control device and the rocking device. It is possible to make a part that is generally oriented in the vehicle width direction. As a result, the high-voltage harness is less likely to be twisted even if the front vehicle body swings, and it is possible to absorb the swinging motion of the front vehicle body by bending the high-voltage harness slightly, and the durability of the high-voltage harness is enhanced.

According to the seventh feature, since the control device (64) is arranged so as to be offset to the right side with respect to the vehicle body center line (O), the high voltage harness is connected to the left side in the vehicle width direction of the control device. It becomes easy to secure space.

According to the eighth feature, since the motor (M) is arranged offset to the left side with respect to the vehicle body center line (O), the control device corresponds to the motor offset to the left side. Since it is arranged offset to the right side, it is possible to adjust the weight balance in the left-right direction.

According to the ninth feature, the rear vehicle body (BR) is provided with a rear vehicle body frame (70) that supports a loading platform (19) provided above the power unit (90), and the control device. Since (64) is fixed to the rear vehicle body frame (70) and exposed toward the front of the rear vehicle body (BR), the control device can be stably fixed to the loading platform frame and the running wind. It becomes possible to cool more effectively.

According to the tenth feature, the rear cover (15) covering the rear portion of the front vehicle body (BF) is provided, and the rear surface (15a) of the rear cover (15) is located rearward from the lower portion to the upper portion. The control device (64) is tilted backward in accordance with the rear surface (15a) of the rear cover (15), so that the distance between the rear cover and the control device is large. It is possible to shorten the front-rear length of the vehicle while ensuring the above. In addition, the control device can be effectively cooled by the running wind flowing along the surface of the rear cover.

It is a perspective view of the saddle type electric tricycle which concerns on this embodiment. It is a left side view of a saddle-type electric tricycle. It is a left side view of the saddle-type electric tricycle with the exterior parts removed from the state of FIG. It is a perspective view of the body frame which constitutes the front body. It is a perspective view of a rocking device. It is a left side view of the rear body. It is a perspective view of a rear body. It is a perspective view of the loading platform frame cover. It is a top view of the loading platform. It is a perspective view of the rear body frame which supports a loading platform. It is a perspective view of the rear body with the exterior parts removed. It is a perspective view of the rear body with the exterior parts removed. It is a partially enlarged left side view of a saddle-mounted electric tricycle with exterior parts removed. It is a block diagram which shows the connection relation of a high voltage harness. It is a top view of the rear body with the exterior parts removed. It is a partially enlarged right side view of a saddle-mounted electric tricycle with exterior parts removed. FIG. 16 is a bottom view of the saddle-mounted electric tricycle of FIG. FIG. 3 is a cross-sectional view taken along the line XVIII-XVIII of FIG. FIG. 3 is a cross-sectional view taken along the line XIX-XIX of FIG. It is a right side view which shows the positional relationship between a battery and a rocking device. It is a perspective view which shows the positional relationship between a battery and a swing device. It is a left side view which shows the positional relationship between a battery and a rocking device.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view of a saddle-mounted electric tricycle 1 according to the present embodiment. Further, FIG. 2 is a left side view of the saddle-mounted electric tricycle 1, and FIG. 3 is a left side view of the saddle-mounted electric tricycle 1 with exterior parts removed from the state of FIG.

The saddle-mounted electric tricycle 1 is a scooter in which a front vehicle body BF that supports one front wheel WF and a rear vehicle body BR that supports two rear wheel WRs are pivotally supported by a swing device 50 so as to be swingable in the roll direction. It is a type electric vehicle. Two high-voltage batteries (main batteries) B that supply electric power to the motor M that drives the rear wheel WR are housed side by side in the vehicle width direction below the seat 22 provided on the front vehicle body BF. The two batteries B can be removed from the vehicle body by pulling the openable and closable seat 22 upward in an open state. A low floor 12 on which the driver can rest his / her foot is provided between the steering handle 2 and the seat 22.

The vehicle body frame F constituting the front vehicle body BF includes a head pipe F2 that swingably supports the steering stem F1 to which the steering handle 2 is fixed, a down frame F3 extending rearward and downward from the head pipe F2, and the down. It includes a pair of left and right curved frames F6 that are connected to both side surfaces of the frame F3 and extend downward and curve backward, and a pair of left and right floor frames F4 that are connected to the curved frame F6 and extend rearward.

A pair of left and right rearview mirrors 3 and a meter device 4 are attached to the steering handle 2. A bottom bridge F5 is fixed to the lower end of the steering stem F1 that supports the steering handle 2, and a pair of left and right front forks 9 that rotatably support the front wheel WF are fixed to the bottom bridge F5. ..

The rocking device 50 that swingably supports the front vehicle body BF and the rear vehicle body BR is fixed to the lower part of the floor frame F4 at a position below the battery B. A pair of left and right swing arms 16 swingably supported by a pivot 24 are provided on the rear vehicle body BR having a large loading platform 19, and a power unit 90 that supports the rear wheel WR is provided at the rear of the swing arms 16. Is installed.

The front of the head pipe F2 is covered with a center cowl 5 connected to a pair of left and right side cowls 10, and a leg shield 11 is arranged behind the head pipe F2. Front flasher lamps 6 are attached to the left and right of the extension portion that supports the headlight 7, and the front fender 8 that covers the upper part of the front wheel WF is supported by the front fork 9.

An under cowl 13 covering the side and the lower side of the floor frame F4 is connected to both left and right ends of the low floor floor 12. Below the seat 22, a lower cowl 14 that covers the battery case 29 from the front and a rear cover 15 that is connected to the rear part of the lower cowl 14 are arranged.

As shown in FIG. 3, a junction box J, which is a wiring terminal, is arranged at a position behind the battery B and inside the rear cover 15. The battery B and the junction box J constitute a power supply device that supplies electric power to the motor M. On the other hand, a control device (PCU: power control unit) 64 for transmitting the electric power supplied from the power supply devices B and J to the motor M is arranged at the front end portion of the rear vehicle body BR. At the lower end of the battery B, a battery lower cover 30 as a cover member for covering the terminals on the vehicle body side is arranged.

The cargo bed 19 of the rear vehicle body BR is provided with a thin pipe-shaped stopper 18 for preventing the cargo from slipping. The loading platform 19 made of a thin plate-shaped synthetic resin or the like is arranged on the upper part of the rear body frame 70, and the rear fender 17 covering the upper part of the rear wheel WR is fixed to the lower part of the rear body frame 70. .. The loading platform 19 is supported by a loading platform frame 32 made of a metal round pipe material fixed to the rear body frame 70. At the front end of the loading platform 19, a loading platform frame cover 20 is provided so as to cover a portion to be erected in an arch shape above the loading platform frame 32. A storage portion 23 suitable for storing a plate-shaped member 21 such as a notebook or a binder is provided on the front surface of the loading platform frame cover 20. A left side electrical component cover 25 is attached to the front of the rear fender 17 on the left side of the vehicle body. A tail lamp 27, a pair of left and right rear flasher lamps 28, and a license plate holder 26 are fixed to the rear end of the rear body frame 70 mainly made of a metal square pipe material.

FIG. 4 is a perspective view of the vehicle body frame F constituting the front vehicle body BF. The vehicle body frame F, which is mainly composed of a metal round pipe material, has a down frame F3 extending rearward and downward from the head pipe F2, and left and right that are connected to both side surfaces of the down frame F3 and extend downward and curve rearward. A pair of curved frames F6 and a pair of left and right floor frames F4 connected to the curved frame F6 and extending rearward are included. The down frame F3 at the center in the vehicle width direction is curved rearward at the lower end portion and is connected to a gusset F7 fixed to a pair of left and right floor frames F4.

A long low-floor floor support stay 33 that supports the low-floor floor 12 is bridged over the floor frame F4 at a position behind the gusset F7. Behind the low-floor floor support stay 33, a front side battery case support stay 34 and a rear side battery case support stay 37 that support the battery case 29 from below are attached in pairs on the left and right sides, respectively.

A cross frame F8 that connects the left and right floor frames F4 in the vehicle width direction is arranged at a position inside the rear battery case support stay 37, and a swing device is arranged below the cross frame F8. A rear stay 38 is provided to support a position closer to the rear of the 50. On the other hand, at a position below the front battery case support stay 34, a pair of left and right front stays 35 that support the position closer to the front of the rocking device 50 are provided.

FIG. 5 is a perspective view of the rocking device 50. In this figure, the state seen from the right rear upper side is shown. The rocking device 50 having a metal casing swingably supports the metal rocking shaft 60 fixed to the rear vehicle body BR and gives an urging force to return the rocking shaft 60 to the neutral position. It is a structure with a built-in urging mechanism. The swing shaft 60 is fixed to the rear vehicle body BR by two bolts 61 and nuts 62 penetrating in the vehicle width direction.

Front side support portions 51L and 51R divided into left and right are provided at the front end portion of the rocking device 50, and a rear side support standing upward is provided at the center in the vehicle width direction near the rear side of the rocking device 50. A portion 55 is provided. The front support portions 51L and 51R are fixed to the front stay 35 (see FIG. 4) provided on the vehicle body frame F of the front vehicle body BF by using bolts 53, collar members 52, and nuts 54. Further, the rear support portion 55 is fixed to the rear stay 38 (see FIG. 4) provided on the vehicle body frame F by using bolts 56 and nuts 57. A flat side surface 58 is formed on the right side of the rocking device 50 in the vehicle width direction.

FIG. 6 is a left side view of the rear vehicle body BR. In this figure, the rocking device 50 is fixed to the rear vehicle body BR, and the front vehicle body BF is removed. Through holes 51a through which the bolts 53 are passed are formed in the front support portions 51L and 51R of the rocking device 50. Further, a through hole 55a through which the bolt 56 is passed is formed in the rear support portion 55 of the swing device 50.

In the present embodiment, the electric power of the battery B is once sent to the junction box J, which is a wiring terminal, and is sent to the rear vehicle body BR by the high-voltage harnesses H1 and H2 extending from the junction box J. The high-voltage harnesses H1 and H2 extending downward and forward from the junction box J are curved so as to make a U-turn at the curved portion C located in front of the front support portions 51L and 51R, and then pass rearward through the right side of the rocking device 50. It is routed toward. The junction box J as a power supply device may be eliminated, and power may be supplied directly from the battery B to the rear vehicle body BR.

The loading platform 19 has a shape provided with an upright portion 19b standing upward at the front end of the flat plate portion 19a on which the cargo is placed. The loading platform frame cover 20 is configured to simultaneously cover the arch portion of the loading platform frame 32 and the upright portion 19b of the loading platform 19.

FIG. 7 is a perspective view of the rear vehicle body BR. As described above, the storage portion 23 is provided on the front surface portion of the loading platform frame cover 20. The control device 64 that controls the electric power supplied to the motor M is arranged at a position below the accommodating portion 23 so that a plurality of cooling fins are exposed in front of the vehicle body. A left side electrical component cover 25 and a right side electrical component cover 63 are arranged on the left and right sides of the control device 64.

FIG. 8 is a perspective view of the loading platform frame cover 20. Further, FIG. 9 is a plan view of the loading platform 19. The loading platform frame cover 20 made of a thin plate member made of synthetic resin is formed with through holes 20a constituting the accommodating portion 23, and the bottom portion of the accommodating portion 23 is a square formed in the upright portion 19b of the loading platform 19. It is composed of recesses 19c. A slit 19d through which the loading platform frame 32 standing above the vehicle body passes is formed behind the recess 19c. Further, a total of six through holes 19e through which the thin pipe-shaped stopper 18 is passed are formed in the flat plate portion 19a of the loading platform 19.

FIG. 10 is a perspective view of the rear body frame 70 that supports the loading platform 19. Further, FIG. 11 is a perspective view of the rear vehicle body BR with the exterior parts removed, and FIG. 12 is a perspective view of the rear vehicle body BR with the exterior parts removed. FIG. 11 shows a state seen from the front left upper side, and FIG. 12 shows a state seen from the right front upper side.

The rear body frame 70 is mainly composed of a pair of left and right main frames 71 made of metal square pipes connected by a plurality of cross pipes or the like oriented in the vehicle width direction. A through hole 74 through which the pivot 24 of the swing arm 16 passes is formed at the tip of the main frame 71 that is curved forward and downward. At a position above the through hole 74, a square first cross pipe 72 that connects the left and right main frames 71 is provided. A cylindrical collar 73 through which the pivot 24 is passed is fixed to the lower portion of the first cross pipe 72. On the other hand, a pair of left and right fixing plates 75 for fixing the swing shaft 60 are attached to the rear portion of the first cross pipe 72. The fixing plate 75 is formed with a through hole 76 through which the bolt 61 is passed. Further, a lower support plate 77 for supporting the lower portion of the control device 64 is attached to the upper portion of the first cross pipe 72.

A second cross pipe 78 made of a round pipe is provided above the first cross pipe 72 and in the vicinity of a portion where the main frame 71 curves rearward. A pair of left and right upper support plates 79 for supporting the upper portion of the control device 64 are attached to the second cross pipe 78. A plate-shaped stay 81 for fixing the down regulator 86 is attached to the inside of the main frame 71 on the right side behind the second cross pipe 78. A pair of left and right front box-shaped stays 80 for supporting the front side of the loading platform frame 32 are provided at a position above the plate-shaped stay 81.

A third cross pipe 82 that connects the left and right main frames 71 is provided at a position behind the front box-shaped stay 80. A rear cushion support portion 83 that supports the upper end portion of the rear cushion 88 is attached to the lower surfaces of the left and right main frames 71 in the vicinity of the third cross pipe 82. A stabilizer stay 84 that supports the stabilizer for keeping the loading platform 19 horizontal is attached to the rear of the rear cushion support portion 83 on the left side, and the loading platform frame 32 is attached to the upper surface of the rear end portion of the main frame 71. A long rear box-shaped stay 85 for supporting the rear side of the is attached.

With reference to FIGS. 11 and 12, the high-pressure harness H1 extending from the junction box J (see FIG. 6) is connected to the left side portion of the control device 64. This connecting portion is covered by the left electrical component cover 25. Power is supplied to the power unit 90 by a three-phase harness 89 extending from a wiring connector 64a provided on the upper part of the control device 64. The high-pressure harness H2 extending from the junction box J is connected to a down regulator 86 arranged behind the control device 64.

The loading platform frame 32 made of a round pipe material includes a substantially square outer frame portion 32b that supports the outer edge of the loading platform 19, and an erection portion 32a that stands in an arch shape from a position closer to the front of the outer frame portion 32b. It includes a left and right connecting portion 32c that connects the left and right standing portions 32a in the vehicle width direction, and a pair of left and right upper and lower connecting portions 32d that connect the left and right connecting portions 32c and the outer frame portion 32b. Inside the right electrical component cover 63, electrical components such as a low-voltage sub-battery 87 and a fuse box are arranged.

FIG. 13 is a partially enlarged left side view of the saddle-mounted electric tricycle 1 with the exterior parts removed. In this figure, the rear wheel WR on the left side is removed to expose the brake drum 91. The power unit 90, which houses the motor M, the differential gear, and the like, and which pivotally supports the rear wheel WR, is attached to a pair of left and right swing arms 16 which are swingably supported by the pivot 24. The lower end of the rear cushion 88 is attached to the rear end of the swing arm 16 via the swing shaft 16a, and the upper end of the rear cushion 88 is attached to the rear cushion support 83 via the swing shaft 83a. It is attached. A stabilizer 92 connected to the power unit 90 is fixed to the stabilizer stay 84.

Below the battery case 29, round pipe-shaped guard frames 95 and 96 are arranged so as to surround the battery B. The junction box J is fixed to a guard frame 95 located behind the battery B. The control device 64 is fixed to the rear vehicle body frame 70 in a state of being inclined rearward so as to face the junction box J.

FIG. 14 is a block diagram showing a connection relationship between the high voltage harnesses H1 and H2. The electric power of the two batteries B is sent to the junction box J via a harness (not shown). The high-voltage harness H1 extending from the junction box J is connected to the control device 64, and the three-phase harness 89 extending from the control device 64 is connected to the motor M. On the other hand, the high-voltage harness H2 extending from the junction box J is connected to the down regulator 86, and power is supplied from the down regulator 86 to the sub-battery 87. The high-voltage harness H1 has a function of supplying electric power to the control device 64 and returning the electric power generated by the regenerative power generation of the motor M to the battery B side.

FIG. 15 is a plan view of the rear vehicle body BR with the exterior parts removed. The rocking device 50 is arranged at the center in the vehicle width direction so that the axis of the rocking shaft 60 overlaps the vehicle body center line O. The motor M built in the power unit 90 is arranged offset to the left side in the vehicle width direction with respect to the vehicle body center line O. On the other hand, the control device 64 is arranged offset to the right side in the vehicle width direction with respect to the vehicle body center line O. Further, the sub-battery 87 is arranged on the right side of the control device 64, and the down regulator 86 is arranged offset to the right side in the vehicle width direction with respect to the vehicle body center line O. In the present embodiment, in addition to the control device 64, the sub-battery 87 and the down regulator 86 are moved closer to the right side in the vehicle width direction in response to the fact that the heavy motor M is offset to the left side in the vehicle width direction. By arranging in, the weight balance in the left-right direction is adjusted. Further, by arranging the control device 64 offset to the right side, it becomes easy to extend the harness from the left side portion of the control device 64.

FIG. 16 is a partially enlarged right side view of the saddle-mounted electric tricycle 1 with the exterior parts removed. As described above, guard frames 95, 96, 97 made of a round pipe material are arranged around the battery B, and a junction box J is fixed to the guard frame 95 on the rear side. On the other hand, the contactor 98 is fixed to the front guard frame 97, and the lower end of the front guard frame 97 is fixed to the front battery case support stay 34 provided on the floor frame F4.

The high-voltage harnesses H1 and H2 extending from the junction box J pass under the battery B and are guided forward, and then make a U-turn at a curved portion C provided in front of the rocking device 50 to make a U-turn to the rocking device 50. Guided to the right side of. At the position behind the curved portion C, it merges with the harness H3 that supplies electric power to the electrical components of the front vehicle body BF to form three harnesses, which are guided to the rear through the right side of the swing device 50.

A right battery lower cover 30R is arranged below the battery B on the right side in the vehicle width direction. A plate-shaped extending portion 30a extending downward is provided at the lower part of the right battery lower cover 30R, and protects the three harnesses H1, H2, and H3 passing through the right side of the rocking device 50 from flying stones, external force, and the like. It is configured so that it can be done.

As described above, the rocking device 50 is fixed to the lower part of the floor frame F4, and the front support portions 51L and 51R of the rocking device 50 are arranged at positions equivalent to the front end of the battery B in the vehicle body front-rear direction. Has been done. As a result, for example, the rocking device 50 is arranged below the battery B as compared with the configuration in which the rocking device is attached to the rear end of the vehicle body frame, so that the front-rear dimension of the front vehicle body is reduced and the mass is reduced. It becomes possible to concentrate on.

Further, the vehicle body side terminal 99 is covered from below by the left and right battery lower covers 30L and 30R, and the battery lower covers 30L and 30R and the swing device 50 are configured to overlap each other in the vehicle body side view. There is. As a result, the swing device 50 approaches the lower surface of the front vehicle body BF, and the vertical dimension of the front vehicle body BF can be reduced.

FIG. 17 is a bottom view of the saddle-mounted electric tricycle 1 of FIG. The vehicle body side terminals 99 for electrically connecting the battery B and the vehicle body are arranged on the outer side in the vehicle width direction in accordance with the positions of the battery side terminals (see FIGS. 18 and 19). The left and right battery lower covers 30L and 30R have a function of covering the vehicle body side terminals 99 from below to protect the terminals. The rocking device 50 located at the center in the vehicle width direction is arranged between the pair of left and right vehicle body side terminals 99 in the vehicle body plan view. As a result, by arranging the rocking device 50 by utilizing the space between the left and right vehicle body side terminals 99, the rocking device 50 can be arranged closer to the front vehicle body side, and the front and rear of the front vehicle body BF can be arranged. It becomes easy to reduce the dimension in the direction.

Further, the floor frame F4 is arranged between the pair of left and right vehicle body side terminals 99, and the rocking device 50 is arranged between the pair of left and right floor frames F4. As a result, the floor frame F4 fits between the left and right vehicle body side terminals, so that the vehicle width direction dimension of the front vehicle body BF can be reduced. Further, by disposing the swing device 50 between the left and right floor frames F4, the vertical dimension of the front vehicle body BF can be reduced.

As described above, the vehicle body side terminal 99 corresponding to the battery side terminal is arranged at a position closer to the outside in the vehicle width direction of the battery B. Therefore, the vehicle body side terminals 99 are separated in the vehicle width direction, the space for accommodating the rocking device 50 is widened, and the rocking device 50 can be easily arranged in the center in the vehicle width direction.

FIG. 18 is a sectional view taken along line XVIII-XVIII of FIG. Further, FIG. 19 is a sectional view taken along line XIX-XIX of FIG. As described above, the battery-side terminals 100 embedded in the bottoms of the left and right batteries B are respectively arranged at positions closer to the outside in the vehicle width direction, and the vehicle body-side terminals 99 are also arranged outside in the vehicle width direction accordingly. It is arranged closer. The vehicle body side terminal 99 is moved up and down by a traction member 99a that moves up and down by lever operation, and is attached to and detached from the battery side terminal 100.

The floor frame F4 is housed between the left and right battery lower covers 30L and 30R, and the upper part of the rocking device 50 is housed between the floor frames F4. As a result, the front, rear, upper and lower dimensions of the front vehicle body BF can be reduced and the mass can be concentrated.

The high-voltage harnesses H1 and H2 are arranged from the junction box J toward the curved portion C, passing between the left and right vehicle body side terminals 99. As a result, the high-voltage harnesses H1 and H2 can be arranged by utilizing the space between the left and right vehicle body side terminals 99. Further, the high-voltage harnesses H1 and H2 are arranged in a front-rear direction through between the battery B and the cross frame F8 connecting the left and right floor frames F4. Further, the high-voltage harnesses H1 and H2 are arranged between the battery B and the rocking device 50, and the high-voltage harnesses H1 and H2 can be protected from flying stones, external force, and the like.

With reference to FIG. 19, the swing device 50 is provided with a shaft portion 50a to which an urging mechanism for returning the swing shaft 60 to a neutral position is attached. Harnesses H1, H2, and H3 are attached to the side surface 58 of the swing device 50 located on the right side of the shaft portion 50a in the vehicle width direction by a clamp HC. The right side of the harnesses H1, H2, and H3 is protected by an extension portion 30a extending downward from the right battery lower cover 30R.

FIG. 20 is a right side view showing the positional relationship between the battery B and the rocking device 50. This figure shows a state in which the vehicle body frame F is removed for the sake of explanation. The high-voltage harnesses H1 and H2 are provided with curved portions C that are curved in a U shape with the front convex at a position in front of the swing device 50. As a result, the high-voltage harnesses H1 and H2 can be easily arranged linearly along the swing shaft 60 in the vicinity of the swing device 50. As a result, even when the front vehicle body BF swings in the roll direction with respect to the rear vehicle body BR, the high-pressure harnesses H1 and H2 are less affected by the swinging operation.

FIG. 21 is a perspective view showing the positional relationship between the battery B and the rocking device 50. This figure shows a state in which the bottom of the saddle-mounted electric tricycle 1 is viewed from the lower right rear side of the vehicle. As described above, the pair of left and right battery-side terminals 100 and the vehicle body-side terminals 99 are arranged at positions closer to the outside in the vehicle width direction, respectively. As a result, it becomes easy to secure the arrangement space of the rocking device 50 and to dispose the rocking device 50 in the center in the vehicle width direction. The high-voltage harnesses H1 and H2 extending forward and downward from the junction box J are guided forward through the lower part of the battery B at the center in the vehicle width direction, and are greatly curved by the curved portion C provided in front of the rocking device 50. It is guided to the side surface 58 of the rocking device 50. Harnesses H1, H2, and H3 that form a substantially straight line on the side of the rocking device 50 are fixed to the rocking device 50 by the clamp HC.

FIG. 22 is a left side view showing the positional relationship between the battery B and the rocking device 50. This figure shows a state in which the vehicle body frame F is removed for the sake of explanation. The rocking device 50 is arranged so that its rear end overlaps with the control device 64 in the front-rear direction. As a result, the front-rear dimension of the vehicle can be reduced and the mass can be concentrated.

Further, the high-voltage harness H1 extends from the left side of the control device 64 in the vehicle width direction and is fixed to the right side surface 58 of the rocking device 50. Further, the high-voltage harness H2 is laid out in the same manner as the high-voltage harness H1 after extending from the down regulator 86. As a result, a portion where the high-pressure harnesses H1 and H2 are oriented in the vehicle width direction can be formed at a position between the control device 64 and the rocking device 50, and even if the front vehicle body BF swings, the high-pressure harness H1 , H2 is hard to be twisted, and the high-voltage harnesses H1 and H2 can absorb the swinging motion of the front vehicle body only by slightly bending, and the durability is improved.

Further, the rear surface 15a of the rear cover 15 covering the rear portion of the front vehicle body BF is tilted backward so that the upper portion is located rearward from the lower portion thereof, and the control device 64 is aligned with the rear surface 15a of the rear cover 15. It is arranged so as to be tilted backward. This makes it possible to shorten the front-rear length of the vehicle while ensuring a distance between the rear cover 15 and the control device 64. Further, the control device 64 can be effectively cooled by the traveling wind flowing along the surface of the rear cover 15.

The form of the saddle-mounted electric tricycle, the shape and structure of the front and rear bodies, the configuration of the battery and motor, the shape and arrangement of the control device, the shape and structure of the body frame, the structure and arrangement of the rocking device, and the high voltage. The method of arranging the harness is not limited to the above embodiment, and various changes can be made.

1 ... saddle-mounted electric three-wheeled vehicle, 15 ... rear cover, 15a ... rear surface of rear cover, 19 ... loading platform, 22 ... seat, 30L, 30R ... battery lower cover (cover member), 30a ... extension, 50 ... rocking Device, 51L, 51R ... Front support, 55 ... Rear support, 58 ... Side of rocking device, 64 ... Control device, 70 ... Rear body frame, 90 ... Power unit, 99 ... Body side terminal, 100 ... Battery Side terminal, B ... Battery, B ... Battery (power supply), J ... Junction box (power supply), M ... Motor, F ... Body frame, F2 ... Head pipe, F3 ... Down frame, F4 ... Floor frame, BF ... Front car body, BR ... Rear car body, WF ... Front wheel, WR ... Rear wheel, H1, H2 ... High pressure harness, C ... Curved part, O ... Car body center line

Further, the high pressure harness (H1) is a partial towards the control device (64) from the Gulf of curved portion (C), which is arranged adjacent to the side surface (58) of the rocking device (50), said body The side terminal ( 99 ) is covered from below by a cover member (30R), and an extension portion (30a) extending downward is provided below the cover member (30R), and the extension portion (30a) is provided. The fourth feature is that the 30a) is arranged outside the high-voltage harness (H1) arranged adjacent to the side surface (58) of the rocking device (50) in the vehicle width direction.

Further, the high pressure harness (H1) is a partial towards the control device (64) from the Gulf of curved portion (C), the rocking device fifth to a point that is fixed to the side surface (58) of (50) There is a feature.

Further, it has a rear cover (15) that covers the rear portion of the front vehicle body (BF), and the rear surface (15a) of the rear cover (15) is tilted backward so that the upper portion is located rearward than the lower portion thereof. and, said control device (64) has the tenth aspect of the point being disposed inclined rearward in accordance with the surface (15a) after the rear cover (15).

According to the fourth feature, the high pressure harness (H1) is a partial towards the indented curved portion the control unit from (C) (64), disposed adjacent to the side surface (58) of the rocking device (50) The vehicle body side terminal ( 99 ) is covered from below by a cover member (30R), and an extension portion (30a) extending downward is provided below the cover member (30R). Since the extension portion (30a) is arranged on the outer side in the vehicle width direction of the high pressure harness (H1) arranged adjacent to the side surface (58) of the rocking device (50), the rocking device can be used. The high-voltage harness in the lateral portion can be protected from flying stones, external force, etc. by the extending portion of the cover member.

According to a fifth aspect, the high pressure harness (H1) is a partial towards the indented curved portion the control unit from (C) (64), is fixed to the side surface (58) of the rocking device (50) Therefore, by fixing the high-voltage harness to the swing device, it is possible to effectively utilize the dead space on the side of the swing device and to stably distribute the high-voltage harness. Further, even if the front vehicle body swings in the roll direction with respect to the rear vehicle body, it is possible to prevent the movement from being transmitted to the high pressure harness in front of the swing device.

According to the tenth feature, the rear cover (15) covering the rear portion of the front vehicle body (BF) is provided, and the rear surface (15a) of the rear cover (15) is located rearward from the lower portion to the upper portion. It has been tilted backward to the control unit (64), since it is disposed inclined rearward in accordance with the surface (15a) after the rear cover (15), the rear cover and the control device It is possible to shorten the front-rear length of the vehicle while ensuring the space. Further, it is possible to effectively cool the control device by the traveling wind flowing along the surface after cover.

Claims (10)

In addition to supporting the front vehicle body (BF) that supports a single front wheel (WF), the rear vehicle body (BR) that supports the rear wheels (WR) as a pair of left and right drive wheels, and the rear wheel (WR). A power unit (90) for accommodating the motor (M) and a swing device (50) attached to the lower part of the front vehicle body (F) to pivotally support the rear vehicle body (BR) so as to swing in the roll direction. In the saddle-mounted electric tricycle (1) including
The power supply devices (B, J) provided on the front vehicle body (BF) and
It includes a control device (64) that controls the power supplied to the motor (M) and is provided on the rear vehicle body (BR).
The high-voltage harness (H1) that connects the power supply devices (B, J) and the control device (64) is curved in a U shape with the front convex at the position in front of the swing device (50). A saddle-mounted electric tricycle characterized in that a part (C) is provided. The power supply devices (B, J) include a battery (B) arranged below the seat (22) and a junction box (J) as a wiring terminal arranged behind the battery (B). ,
The saddle-mounted electric tricycle according to claim 1, wherein the high-voltage harness (H1) connects the junction box (J) and the control device (64). Two batteries (B) are arranged side by side in the vehicle width direction below the seat (22).
A pair of left and right vehicle body side terminals (99) connected from below to battery side terminals (100) provided on the bottom of the battery (B), respectively, are provided.
The claim characterized in that the high-voltage harness (H1) is arranged from the junction box (J) toward the curved portion (C) through between the left and right vehicle body side terminals (99). Item 2. The saddle-mounted electric tricycle according to item 2. The high-pressure harness (H1) is a portion from the bent portion (C) toward the control device (64), and is arranged adjacent to the side surface (58) of the swing device (50).
The vehicle body side terminal (90) is covered from below by a cover member (30R).
An extension portion (30a) extending downward is provided below the cover member (30R).
The claim is characterized in that the extending portion (30a) is arranged on the outer side in the vehicle width direction of the high pressure harness (H1) arranged adjacent to the side surface (58) of the rocking device (50). The saddle-mounted electric tricycle according to 3. 4. The high-voltage harness (H1) is fixed to a side surface (58) of the swing device (50) at a portion from the bent portion (C) toward the control device (64). The saddle-mounted electric tricycle described in. The high-voltage harness (H1) extends from the left side in the vehicle width direction of the control device (64) and is fixed to the side surface (58) on the right side in the vehicle width direction of the rocking device (50). The saddle-mounted electric tricycle according to claim 5. The saddle-mounted electric tricycle according to claim 6, wherein the control device (64) is arranged offset to the right with respect to the vehicle body center line (O). The saddle-mounted electric tricycle according to claim 7, wherein the motor (M) is arranged offset to the left side with respect to the vehicle body center line (O). The rear vehicle body (BR) is provided with a rear vehicle body frame (70) that supports a loading platform (19) provided above the power unit (90).
The control device (64) is fixed to the rear vehicle body frame (70) and is exposed toward the front of the rear vehicle body (BR) according to any one of claims 1 to 8. The described saddle-mounted electric tricycle. It has a rear cover (15) that covers the rear portion of the front vehicle body (BF).
The rear surface (15a) of the rear cover (15) is tilted backward so that the upper part is located rearward than the lower part thereof.
The saddle-mounted type according to any one of claims 1 to 9, wherein the control device (64) is arranged so as to be tilted backward in accordance with the rear surface (15a) of the rear surface cover (15). Electric tricycle.

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