JPH07255787A - Motor-driven car - Google Patents

Abstract

PURPOSE:To facilitate the operation of an accelerator lever by reducing the fatigue of a hand on the side of the accelerator lever operation even when continuously driving the car for a long time. CONSTITUTION:A handle 1 is provided with a handle supporting shaft part 2 erected on front wheel parts, accelerator unit 3 fixed to the upper end of the handle supporting shaft part 2, horizontal handle shaft part 4 extended on the right and left sides of the accelerator unit 3 and handle bending part 6, for which a handle grip part 5 is set parallel to the horizontal handle shaft part 4, extended at both the end parts of the horizontal handle shaft part 4 and bent in the shape of U toward the side of a seat. Then, an accelerator lever 13 is added to the accelerator unit 3 parallel to the handle grip part 5 at a little gap, and the rotational center of the accelerator lever 13 is set on the extended line of the axial line of the handle grip part 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vehicle such as an electric tricycle, and more particularly to an electric vehicle suitable for improving the operability of an accelerator lever.

[0002]

2. Description of the Related Art Conventionally, an electric tricycle, as shown in FIG. 16, for example, supports a vehicle body 100 and a front wheel portion 101 for guiding the traveling direction of the vehicle body 100, and a driving force for the vehicle body 100 while supporting the vehicle body 100. Rear wheel part 1 for urging
02, a steering wheel 103 mounted on the front wheel portion 101 to variably set the traveling direction of the vehicle body 100, and the front wheel portion 101.
A battery cover 104 installed between the rear wheel unit 102 and the rear wheel unit 102 to cover a battery (not shown); a rear cover 105 covering the rear wheel unit 102; and a seat 106 installed on the battery cover 104 and the upper part of the rear cover 105. It is composed.

The handle 103 includes a handle support shaft portion 107 provided upright on the front wheel portion 101 and a handle support shaft portion 107.
Accelerator device 108 fixed to the upper end of the vehicle, and the horizontal handle shafts 109 provided on the left and right of the accelerator device 108
And a handle bending part 111 extending to the horizontal handle shaft part 109 and having a handle grip part 110,
The handle grip 110 is set parallel to the horizontal handle shaft 109. Further, the accelerator device 108 is equipped with an accelerator lever 112 and a brake lever 113.

By the way, various types of accelerator levers have been developed in the past. Figure 1
In FIG. 7, a plate-shaped accelerator lever 114 is mounted on the upper end of the handle support shaft portion 116A on the side of the accelerator device 116 near the seat via a hoisting and swinging rod 115, and is parallel to the pair of handle grip portions 117. In addition, it is arranged in front of the handle grip portion, and has a structure in which the speed is adjusted by pushing down the accelerator lever 114 with a finger.

Further, in the structure shown in FIG. 18, a rod-shaped accelerator lever 118 is mounted on the side surface of the accelerator device 119 at the upper end of the handle support shaft 119A, and the axis of rotation of the accelerator lever is parallel to the handle grip 120. It is arranged in front of the handle grip portion, and has a structure for adjusting the speed by gripping the accelerator lever 118 with a finger. In addition, as shown in FIG. 19, a rod-shaped accelerator lever 121 is mounted on the side surface of the accelerator device 122 at the upper end of the handle support shaft portion 122A, and the axis of rotation of the accelerator lever is parallel to the handle grip portion 123 and the handle grip portion. It is arranged at the front, and has a structure for adjusting the speed by gripping the accelerator lever 121 with a finger.

[0006]

However, the above-mentioned prior art has the following problems. Since the structure shown in FIG. 17 has a structure in which the speed is adjusted by pushing down the accelerator lever with a finger, the finger becomes tired during continuous driving for a long time, which is a burden on a person with weak grip and an elderly person. . In addition, the structure shown in FIGS. 18 and 19 has a structure in which the rotation center of the accelerator lever is arranged in front of the handle grip portion and the speed is adjusted by grasping the accelerator lever with a finger. As a result of pulling the lever toward the handle grip side, it will be a burden to the weak person and the elderly as in the above, and further, as described above, the accelerator lever rotation center will be located in front of the handle grip. Therefore, as shown in FIG. 20, there is a problem that the finger is slippery when the accelerator lever is operated and it is difficult to operate the accelerator lever smoothly.

[0007]

It is an object of the present invention to improve the disadvantages of the above-mentioned conventional examples, and in particular, to reduce the feeling of fatigue of the hand on the accelerator lever operating side even during continuous operation for a long time, and to improve the grip of people with weak grip and fingers. It is an object of the present invention to provide an electric vehicle in which a disabled person or an elderly person can easily operate an accelerator lever.

[0008]

According to a first aspect of the present invention, there is provided a front wheel portion for supporting a vehicle body and guiding the traveling direction thereof, a rear wheel portion for supporting the vehicle body and urging a traveling force, and a front wheel portion. In an electric vehicle equipped with a handle for variably setting a traveling direction of a vehicle body, the handle is fixed to a handle shaft portion standing upright on a front wheel portion and an upper end of the handle shaft portion. The box main body, the horizontal handle shaft portion extending to the left and right of the box main body, the U-shaped bend extending toward both sides of the seat extending toward both ends of the horizontal handle shaft portion, and the handle grip portion. And a handle bending portion set parallel to the horizontal handle shaft portion, and an accelerator lever is attached to the box body in parallel with the handle grip portion at a slight interval, and the accelerator Center of rotation of lever Adopts a configuration that is set on an extension of the axis of the handle grip. This aims to achieve the above-mentioned object.

According to a second aspect of the present invention, a front wheel portion that supports the vehicle body and guides the traveling direction thereof, a rear wheel portion that supports the vehicle body and urges a traveling force, and a vehicle body traveling provided on the front wheel portion. In an electric vehicle having a handle for variably setting a direction, the handle is provided with a handle support shaft portion erected on a front wheel portion, a box main body fixed to an upper end of the handle support shaft portion, and the box. A horizontal handle shaft portion extending to the left and right of the main body, and a horizontal handle shaft portion extending in both ends of the horizontal handle shaft portion and bent in a U shape toward the seat side. The box body is provided with an accelerator lever, the accelerator lever is attached to the box body, and the accelerator lever is set to a hollow shape so that the handle grip portion can be loosely inserted. Inside of Adopts a configuration that, for disposing the handle grip in the relaxed inserted state. This aims to achieve the above-mentioned object.

[0010]

According to the first aspect of the present invention, when the driver of the electric vehicle drives the vehicle, when the finger of the hand is pressed against the accelerator lever while supporting the palm of the handgrip, the accelerator lever rotates. Therefore, the electric vehicle starts running. In this case, since the center of rotation of the accelerator lever is set on the extension of the axis line of the handle grip, the accelerator lever moves in a range equidistant from the axis of the handle grip, and accordingly the driver's finger The contact area with the accelerator lever also moves within a range equidistant from the axis of the handle grip. As a result, the driver can operate the accelerator lever simply by pushing down the accelerator lever with a finger without grasping the accelerator lever with a finger.

According to the second aspect of the present invention, the accelerator lever attached to the box body is set in a hollow shape so that the handle grip portion can be loosely inserted, and the handle grip portion is disposed inside the accelerator lever in a loosely inserted state. Therefore, when the driver of the electric vehicle simply grips the accelerator lever, the accelerator lever does not operate, and thus the electric vehicle is in a stopped state.
When driving an electric vehicle, when the accelerator lever grasped by a hand is rotated in a predetermined direction, the accelerator lever operates and the electric vehicle starts traveling.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Each embodiment in which the electric vehicle of the present invention is applied to an electric tricycle will be described below with reference to the drawings.

(1) First embodiment. The structure of the handle portion of the electric tricycle according to the first embodiment will be described with reference to FIG. 1. The handle 1 is fixed to the handle support shaft portion 2 standing on the front wheel portion and the upper end of the handle support shaft portion 2. The accelerator device 3, the horizontal handle shaft portion 4 extending to the left and right of the accelerator device 3, and extending at both ends of the horizontal handle shaft portion 4 and bent in a U shape toward the seat side and The pair of handle grip portions 5 is configured to include a handle bending portion 6 set parallel to the horizontal handle shaft portion 4.

A speed adjusting knob 7 for adjusting the speed of the electric three-wheeled vehicle is provided on the upper surface portion of the accelerator device 3, and a forward / backward direction for selecting one of a forward traveling state / a reverse traveling state of the electric three-wheeled vehicle. It is equipped with a forward switching knob 8.
Further, a right turn signal button 9, a left turn signal button 10, a horn button 11 for a horn, and a vehicle key insertion section 12 are provided on the front surface of the accelerator device 3.

Further, on the left and right side surfaces of the accelerator device 3, the right accelerator lever 13 (for a right-handed driver) and a right accelerator lever 13 (for right-handed driver) are arranged in parallel with the left and right handle grips 5 with a slight gap in the vehicle traveling direction. An accelerator lever 16 (for a left-handed driver) is attached to the left side of the accelerator lever 13, 1
The rotation center C of 6 is the axis L1 of the handle grip portion 5 (see FIG.
(See) is set on the extension line. The right accelerator lever 13 includes an L-shaped accelerator lever support portion 13A penetrating the inside of the accelerator device 3 and an accelerator lever support portion 1
It is configured to include an accelerator lever grip portion 13B extending from one end of 3A.

That is, since the center of rotation C of the right accelerator lever 13 is set on an extension of the axis L1 of the handle grip portion 5, the accelerator lever 13 is equidistant from the axis L1 of the handle grip portion 5. And accordingly, the contact portion S between the driver's finger and the accelerator lever 13 also moves within an equidistant range with respect to the axis L1 of the handle grip portion 5 (see FIG. 5). As a result, the driver It is possible to operate the accelerator lever without grasping the accelerator lever 13 with a finger. This also applies to the left accelerator lever 16.

Next, the left and right accelerator levers 13, 1
2 and 3 will be described with reference to FIG. 2 and FIG. 3, the accelerator lever support portion 13A of the right accelerator lever 13 is arranged so as to penetrate the accelerator device 3, and the other accelerator lever support portion 13A. One end of the connecting member 15 is connected to the end by a bolt 15a, and one end of the left accelerator lever 16 is connected to the other end of the connecting member 15 by a bolt 15b.

An original position return spring 18 is stretched between the other end of the accelerator lever support portion 13A and the mounting bracket 17, and the original position return spring 18 is rotated by a driver of the electric tricycle. The accelerator levers 13 and 16 are returned to their initial positions described later. Further, a gear 19 is fixed to the outer peripheral portion of the accelerator lever support portion 13A near the place where the original position return spring 18 is stretched, and
The gear 19 meshes with a gear 20 arranged near the gear 19.

An accelerator volume 23 is mounted on the gear 20 via a gear mounting shaft 20A, a home position return spring 21, and a spacer 22, and the accelerator levers 13 and 16 rotated by a driver of an electric tricycle are operated. The rotation operation amount is transmitted to the accelerator volume 23 via the gears 19 and 20, and the rotation speed of the rear wheel drive motor (not shown) is controlled by the control unit based on the output voltage change of the accelerator volume 23. Has become. As a result, the speed of the electric three-wheeled vehicle changes according to the turning operation amount of the accelerator levers 13 and 16.

Further, inside the accelerator device 3, there are a turn signal button 9 for turning right, a turn signal button 10 for turning left, and a horn button 1.
A turn signal switch 9A for right turn, a turn signal switch 10A for left turn, and a horn switch 11A at a position facing 1
Is turned on in response to a pressing operation of each of the above buttons, and accordingly, a turn signal for right turn, a turn signal for left turn, and a horn (not shown above) are activated.

Further, as shown in FIG. 3, the initial position P1 of the right accelerator lever 13 is set below the uppermost portion of the handle grip portion 5 (the horizontal tangent line L2 of the uppermost surface of the handle grip portion 5). There is. The right accelerator lever 13 can be rotated between the initial position P1 and the maximum rotation position P2, and the speed of the electric tricycle is adjusted according to the amount of the rotation operation. There is. That is, when the accelerator lever 13 is at the initial position P1, the electric tricycle is in a stopped state, and the speed increases as the accelerator lever 13 is rotated toward the maximum rotation position P2.
This also applies to the left accelerator lever 16.

As a result, as in the case where the initial position of the right accelerator lever 13 is set above the uppermost part of the handle grip, the driver accidentally puts his hand on the accelerator lever when the electric tricycle is stopped. In addition, the accelerator lever is prevented from being activated when a small parcel or the like is placed near the accelerator lever. This also applies to the left accelerator lever 16.

Next, the operation of the first embodiment constructed as described above will be described.

When a driver of an electric three-wheeled vehicle runs the vehicle, for example, while supporting the palm of the right hand with the handle grip 5 on the right side, the finger of the right hand is gently pushed down on the accelerator lever 13 on the right side, and the accelerator lever 13 is rotated at the center of rotation. From the initial position P1 centering on C, the direction of the arrow in FIG. 3 (clockwise)
Since the vehicle turns, the amount of turning operation of the accelerator lever 13 is transmitted to the accelerator volume 23, and as a result, the vehicle starts running.

In this case, since the center of rotation C of the right accelerator lever 13 is set on the extension of the axis L1 of the handle grip portion 5, the accelerator lever 13 is equidistant from the axis L1 of the handle grip portion 5. Since the range moves and the contact portion S between the driver's finger and the accelerator lever 13 moves with the range equidistant to the axis L1 of the handle grip 5 (see FIG. 4), the driver uses the finger to press the accelerator. It is possible to easily operate the accelerator lever without grasping the lever 13. The same applies to the left accelerator lever 16.

Since the initial position P1 of the right accelerator lever 13 is set lower than the uppermost portion of the handle grip portion 5, the initial position of the accelerator lever is set higher than the uppermost portion of the handle grip portion. As in the case where the electric tricycle is stopped, it is necessary and certain to prevent the accelerator lever from operating due to the driver accidentally putting his hand on the accelerator lever or putting a small luggage near the accelerator lever when the electric tricycle is stopped. You can

As described above, according to the first embodiment,
The center of rotation C of the left and right accelerator levers 13 and 16 is set on the extension line of the axis L1 of the handle grip portion 5, so that the driver can comfortably operate the accelerator levers 13 and 16 without having to grasp the accelerator levers 13 and 16 with their fingers. It is possible to perform the operation, and thereby, the fatigue of the hand on the accelerator lever operating side can be reduced even during continuous operation for a long time, and the accelerator lever can be easily operated even by a weak person or an elderly person.

Further, according to the first embodiment, since the initial position P1 of the right accelerator lever 13 is set lower than the uppermost part of the handle grip portion 5, the initial position of the accelerator lever is gripped. When the electric tricycle is stopped, the driver may accidentally put his hand on the accelerator lever or put a small piece of luggage near the accelerator lever. It can be prevented in advance.

(2) Second embodiment. FIG. 5 shows the structure of the handle portion of the electric tricycle according to the second embodiment. The difference between the second embodiment and the first embodiment is that the accelerator lever 25 is different from the handle grip portion 5. The second embodiment is similar to the first embodiment except that the accelerator lever is arranged. Therefore, common components in the second embodiment and the first embodiment are designated by the same reference numerals and will be described. Is omitted.

More specifically, the right side accelerator lever 25 is attached to the side surface of the accelerator device 3 in parallel to the handle grip portion 5 with a slight space on the seat side. The rotation center C is set on an extension of the axis L1 of the handle grip portion 5. The accelerator lever 25 is provided with an L-shaped accelerator lever support portion 25A, which is mostly disposed inside the accelerator device 3, and an accelerator lever grip portion 25B extending from one end of the accelerator lever support portion 25A. Has become.

According to the second embodiment, the accelerator lever 2
The rotation center C of 5 is set on the extension line of the axis L1 of the handle grip 5, and the accelerator lever 25 is arranged on the seat side with respect to the handle grip 5. Therefore, as shown in FIG. The accelerator lever can be operated with the palm of the hand while the finger is placed on the handle grip portion 5, and as a result, it is possible to reduce the feeling of tiredness on the accelerator lever operating side even during long-term continuous driving, Even a handicapped person or an elderly person can easily operate the accelerator lever.

(3) Third embodiment. FIG. 7 shows the structure of the handle portion of the electric tricycle according to the third embodiment. The difference between the third embodiment and the first embodiment is that the shape of the grip portion of the accelerator lever 26 is different. Since it is a stepped shape and is substantially the same as the first embodiment except for the accelerator lever shape, the same reference numerals are given to common configurations in the second embodiment and the first embodiment, and description thereof will be omitted. To do.

More specifically, an accelerator lever 26 is attached to the side surface of the accelerator device 3 in parallel with the handle grip 5 at a slight interval in the vehicle traveling direction. The center of rotation is set on an extension of the axis of the handle grip 5. The accelerator lever 26 has an L-shaped accelerator lever support portion 26A, which is mostly disposed inside the accelerator device 3, and a first accelerator lever grip portion 26B which is provided at one end of the accelerator lever support portion 26A. It is configured to include a second accelerator lever grip portion 26C extended to the first accelerator lever grip portion 26B.

Handle grip 5, second accelerator lever grip 26C of accelerator lever 26, accelerator lever 26
The respective axes of the first accelerator lever grip portion 26B are set parallel to each other at a predetermined interval in this order. That is, the shape of the first and second accelerator lever grip portions 26B and 26C of the accelerator lever 26 is a two-step shape as a whole.

According to the third embodiment, the accelerator lever 2
Since the grip portion of No. 6 has a two-step shape, it is also possible to operate the accelerator lever by putting a finger on the first accelerator lever grip portion 26B and rotating it downward as shown in FIG. 7 as shown in FIG. The second accelerator lever gripping portion 26C can be operated by gripping the second accelerator lever gripping portion 26C together with the handle gripping portion 5 to perform the accelerator lever operation, or by gripping the first accelerator lever gripping portion 26B with the forefinger and the middle finger as shown in FIG.
You can also operate the accelerator lever by grasping with your ring finger and little finger. That is, since the accelerator lever can be gripped according to the driver's individual preference according to the size and shape of the driver's hand of the electric tricycle, the operability of the accelerator lever can be further improved.

Here, in the third embodiment, FIG.
As shown in (a) and (b), by changing the angle between the first accelerator lever gripping portion and the second accelerator lever gripping portion, the shape may be made easier to operate. That is, FIG.
In (a), the angles of the first and second accelerator lever grips 26B 'and 26C' of the accelerator lever 26 'are set so that the respective axes are substantially on the same plane.
In addition, in FIG. 10B, the angle between the first accelerator lever gripping portion 26B ″ of the accelerator lever 26 ″ and the axis of the second accelerator lever gripping portion 26C ″ is slightly higher than that of the first accelerator lever gripping portion 26B ″. Has been set. Thereby, the operability of the accelerator lever can be further improved.

(4) Fourth embodiment. FIG. 11 shows the structure of the accelerator lever of the electric tricycle according to the fourth embodiment, and the third embodiment is based on the first embodiment.
The difference from the embodiment is that the accelerator lever 27 is divided into a support portion and a grip portion, and since it is almost the same as the first embodiment except for the accelerator lever shape, it is illustrated except for the accelerator lever. And the description is omitted.

Explaining this in detail, the accelerator lever 27
Is divided into two parts, a rod-shaped accelerator lever support portion 28 and a L-shaped accelerator lever grip portion 29, which are mostly disposed inside an accelerator device (not shown), and the accelerator lever grip portion 29 is The accelerator lever support portion 28 is detachably connected via a bolt 30.

A bolt mounting hole 29A through which the bolt 30 can penetrate is formed at an end portion of the accelerator lever grip portion 29 on the side where the accelerator lever support portion 28 is connected, and a hole portion 28B ( A mounting portion 29B having a polygonal cross-section that can be fitted to (described later) is formed. Further, a bolt mounting hole 28A into which a bolt 30 is screwed, and an accelerator lever grip portion 2 are provided at an end portion of the accelerator lever support portion 28 on the side where the accelerator lever grip portion 29 is connected.
The hole 28 having a polygonal cross section into which the mounting portion 29B of 9 is fitted.
B and are formed.

According to the fourth embodiment, the accelerator lever 2
7 is divided into an accelerator lever support portion 28 and an accelerator lever grip portion 29, and the accelerator lever support portion 28
The attachment portion 2 of the accelerator lever grip portion 29 having a polygonal cross section
Since the hole 28B into which 9B can be fitted is formed, the accelerator lever grip portion 2 with respect to the accelerator lever support portion 28 is formed.
The mounting angle of 9 can be freely changed to an angle that is easy for the driver to use. Thereby, the operability of the accelerator lever can be further improved.

(5) Fifth embodiment. FIG. 12 shows the structure of the accelerator lever of the electric tricycle according to the fifth embodiment, and the fifth embodiment is based on the third embodiment.
The difference from the embodiment is that the accelerator lever 30 is divided into three parts, that is, a support part and two grip parts. Since the parts other than the accelerator lever are the same as the third embodiment, the parts other than the accelerator lever are shown in the drawing. And the description is omitted.

Explaining this in detail, the accelerator lever 30
Is a rod-shaped accelerator lever support portion 31 that is mostly disposed inside an accelerator device (not shown), an L-shaped first accelerator lever grip portion 32, and an L-shaped second accelerator lever grip portion. The second accelerator lever grip portion 33 is detachably connected to the first accelerator lever grip portion 32 via a bolt 34, and the first accelerator lever grip portion 32 is divided into three parts. On the other hand, it is detachably connected via a bolt 35.

A bolt mounting hole 33A through which the bolt 34 can penetrate is formed at an end portion of the second accelerator lever grip portion 33 on the side where the first accelerator lever grip portion 32 is connected, and the first accelerator lever grip portion is formed. 32 holes 32B
A spline-shaped mounting portion 33B that can be fitted to (described later) is formed. In addition, the first accelerator lever grip 32
In the end portion of the second accelerator lever gripping portion 33 connection side in the above, a bolt mounting hole 32A into which a bolt 34 is screwed, and a mounting portion 33B of the second accelerator lever gripping portion 33 into which a mounting spline-shaped hole is fitted. The portion 32B is formed.

Further, a bolt mounting hole 32C through which the bolt 35 can penetrate is formed at an end portion of the first accelerator lever grip portion 32 on the coupling side of the accelerator lever support portion 31. Hole 31B
A spline-shaped mounting portion 32D that can be fitted to (described later) is formed. Further, at the end portion of the accelerator lever support portion 31 on the side where the first accelerator lever grip portion 32 is connected,
A bolt mounting hole 31A into which the bolt 35 is screwed, and a hole portion 31B having a spline cross-section into which the mounting portion 32D of the first accelerator lever grip portion 32 is fitted are formed.

According to the fifth embodiment, the accelerator lever 3
0 is divided into three parts, the accelerator lever support part 31 and the first and second accelerator lever grip parts 32 and 33, and the first accelerator lever grip part 32 has the second accelerator lever grip part 3
Hole 3 into which the spline-shaped mounting portion 33B of 3 can be fitted
2B is formed and a hole portion 31B into which the spline-shaped mounting portion 32D of the first accelerator lever grip portion 32 can be fitted is formed in the accelerator lever support portion 31, so that the first accelerator lever with respect to the accelerator lever support portion 31 is formed. Grip part 32
And the mounting angle of the second accelerator lever grip 33 with respect to the first accelerator lever grip 32 can be freely changed to an angle that is easy for the driver to use. Thereby, the operability of the accelerator lever can be further improved.

(6) Sixth embodiment. FIGS. 13 and 14 show the structure of the handle portion of the electric tricycle according to the sixth embodiment. The difference between the sixth embodiment and the first embodiment is that the accelerator lever is located at the handle bending portion. The handlebar is set in a cylindrical shape so that the handlebar can be loosely inserted, and the handlebar is disposed inside the accelerator lever in a loosely inserted state. This is common to the sixth embodiment and the first embodiment. Are denoted by the same reference numerals and description thereof will be omitted or simplified.

Explaining this in detail, an accelerator shaft 38 is arranged inside the accelerator device 3, and the accelerator shaft 3
One end of the accelerator shaft 38 is set to a state in which it slightly projects to the outside from the side surface portion on the right side of the accelerator device 3, and the accelerator shaft 38
An accelerator grip 39 made of, for example, a resin and having a bottomed cylindrical shape is fixed by a screw 40 to one end of the. The accelerator shaft 38 and the accelerator grip portion 39 constitute an accelerator lever 41, and the accelerator lever 41 has both the function of the accelerator lever itself and the function of the handle grip portion.

Inside the accelerator grip 39, the handlebar 6A of the handle bending part 6 is accommodated via grease 42, and the accelerator grip 39 is attached to the handlebar 6
The outer periphery of A can be rotated. On the other hand, an original position return spring 43 is stretched between the other end of the accelerator shaft 38 and the mounting bracket 42. In addition, a gear 44 is fixed substantially at the center of the outer peripheral portion of the accelerator shaft 38, and
The gear 44 meshes with a gear 45 arranged near the gear 44.

An accelerator volume 48 is attached to the gear 45 via a gear mounting shaft 45A, an original position return spring 46, and a spacer 46, and the accelerator grip of an accelerator lever 41 rotated by a driver of an electric tricycle is gripped. The rotational operation amount of the portion 39 is transmitted to the accelerator volume 48 via the accelerator shaft 38 and the gears 44 and 45, and further, based on the change in the output voltage of the accelerator volume 48, the control portion rotates the rear wheel drive motor (not shown). The speed is controlled. As a result, the speed of the electric three-wheeled vehicle changes according to the turning operation amount of the accelerator lever 41.

According to the sixth embodiment, the accelerator lever 4
Since the accelerator grip portion 39 of No. 1 is set to a cylindrical shape in which the handle bar 6A of the handle bending portion 6 can be loosely inserted, and the handle bar 6A is arranged inside the accelerator grip portion 39 in a loosely inserted state, It is possible to operate the steering wheel while gripping the accelerator lever 41 and adjust the speed, and as a result, it is possible to reduce the fatigue of the hand on the accelerator lever operating side even during continuous operation for a long time, and to reduce the person who has weak grip strength or fingers. Even a handicapped person or an elderly person can easily operate the accelerator lever.

Next, a modification of the sixth embodiment will be described. FIG. 15 shows the attachment state of the accelerator lever and the handlebar in the modified example, and the modified example is different from the sixth embodiment in that the handlebar 6A ′, the handlebar main body portion 6B and the handlebar 6B are different. The handlebar mounting portion 6C has a diameter slightly smaller than that of the main body portion 6B, and the handlebar mounting portion 6 is provided inside the accelerator grip portion 39.
Since C is accommodated via the bearing 49, the common components are designated by the same reference numerals and the description thereof will be omitted. Also in this modification,
The same effect as that of the sixth embodiment can be obtained.

[0052]

As described above, according to the electric vehicle of the first aspect of the invention, since the center of rotation of the accelerator lever is set on the extension line of the axis line of the handle grip portion, the driver, for example, puts his palm on the palm. When you operate the accelerator lever with your thumb while holding the handle grip with your thumb, the accelerator lever moves the same distance with respect to the axis of the handle grip, so the driver's finger and accelerator The contact area with the lever also moves within the equidistant range with respect to the axis of the handle grip, and as a result, the driver can operate the accelerator lever without having to grasp the accelerator lever with his or her finger, which results in long-term operation. Even during continuous operation, the operator's feeling of fatigue on the accelerator lever side can be reduced, and the accelerator lever can be operated without holding the accelerator lever with the fingers as described above. It is possible to easily accelerator lever operation in the weak or elderly people, an effect that.

According to the electric vehicle of the second aspect of the present invention, the accelerator lever is set to a hollow shape so that the handle grip portion can be loosely inserted, and the handle grip portion is arranged inside the accelerator lever in a loosely inserted state. As a result, it is possible to operate the steering wheel while gripping the accelerator lever and adjust the speed.As a result, it is possible to reduce the fatigue of the hand on the accelerator lever operating side even for long-term continuous operation and to have a weak grip. It is possible to easily operate the accelerator lever even by a person who has a deaf hand or an elderly person.

[Brief description of drawings]

FIG. 1 is a perspective view with a part omitted showing a configuration of a handle portion of an electric tricycle according to a first embodiment of the present invention.

FIG. 2 is an explanatory view, partly in section, showing a mounting state of an accelerator device and an accelerator lever in FIG.

FIG. 3 is an explanatory view showing a state where a horizontal handle shaft portion in FIG. 1 is cut off.

FIG. 4 is an explanatory diagram showing an operating state of an accelerator lever in FIG.

FIG. 5 is a perspective view showing a configuration of a handle portion of an electric tricycle according to a second embodiment with a part omitted.

FIG. 6 is an explanatory view showing an operating state of an accelerator lever in FIG.

FIG. 7 is a plan view showing a configuration of a handle portion of an electric tricycle according to a third embodiment.

8 is a plan view showing a state where a second accelerator lever grip portion in FIG. 7 is gripped.

9 is a plan view showing a state where the first and second accelerator lever grips in FIG. 7 are gripped.

10 (a) is an explanatory view showing a state in which the axis of the first accelerator lever gripping portion and the axis of the second accelerator lever gripping portion are located on substantially the same plane, and FIG. 10 (b) is It is explanatory drawing which shows the state in which the axis line of a 2nd accelerator lever holding part is a little higher than the axis line of a 1st accelerator lever holding part.

FIG. 11 is an explanatory diagram of a two-divided accelerator lever according to a fourth embodiment.

FIG. 12 is an explanatory diagram of a three-divided accelerator lever according to a fifth embodiment.

FIG. 13 is a perspective view with a part omitted showing the configuration of a handle portion of an electric tricycle according to a sixth embodiment.

FIG. 14 is an explanatory view, partly in section, showing a mounting state of the accelerator lever and the handlebar in FIG.

FIG. 15 is an explanatory view, partly in section, showing an attachment state of an accelerator lever and a handlebar in a modified example of the sixth embodiment.

FIG. 16 is an external view of a general electric tricycle according to a conventional example.

FIG. 17 is a perspective view showing a structure of a handle portion of an electric tricycle according to another conventional example with a part omitted.

FIG. 18 is a perspective view with a part omitted showing the configuration of a handle portion of an electric tricycle according to another conventional example.

FIG. 19 is a front view with a part omitted showing a configuration of a handle portion of an electric tricycle according to another conventional example.

FIG. 20 is an explanatory diagram showing an operating state of a rod-shaped accelerator lever in a conventional example.

[Explanation of symbols]

1 Handle 2 Handle Support Shaft 3 Accelerator Device as Box Body 4 Horizontal Handle Shaft 5 Handle Grip 6 Handle Bend 13,13,25,26,26 ', 26 ", 27,3
0,41 accelerator lever

Claims (2)

[Claims] 1. A front wheel portion that supports the vehicle body and guides the traveling direction thereof, and a rear wheel portion that supports the vehicle body and urges a traveling force.
In an electric vehicle equipped with a handle for variably setting the traveling direction of the vehicle body, which is mounted on the front wheel portion, the handle is provided on the handle shaft portion erected on the front wheel portion, and on the upper end of the handle shaft portion. A fixed box body, horizontal handle shaft portions extending to the left and right of the box body, both ends of the horizontal handle shaft portion, and a U-shaped bent handle toward the seat side. The grip portion is configured to include a handle bending portion set parallel to the horizontal handle shaft portion, and an accelerator lever is attached to the box body in parallel with the handle grip portion at a slight interval. An electric vehicle characterized in that a rotation center of the accelerator lever is set on an extension line of an axis line of the handle grip portion. 2. A front wheel portion which supports the vehicle body and guides the traveling direction thereof, and a rear wheel portion which supports the vehicle body and urges a traveling force.
In an electric vehicle equipped with a handle for variably setting the traveling direction of the vehicle body, which is mounted on the front wheel portion, the handle is provided on the handle shaft portion erected on the front wheel portion, and on the upper end of the handle shaft portion. A fixed box body, horizontal handle shaft portions extending to the left and right of the box body, both ends of the horizontal handle shaft portion, and a U-shaped bent handle toward the seat side. The grip portion is configured to include a handle bending portion set parallel to the horizontal handle shaft portion, and an accelerator lever is attached to the box body,
An electric vehicle characterized in that the accelerator lever is set in a hollow shape in which the handle grip portion can be loosely inserted, and the handle grip portion is disposed inside the accelerator lever in a loosely inserted state.