JPH08164745A - Hood for electric vehicle - Google Patents

Abstract

PURPOSE: To provide an electric vehicle provided with a hood having an attractive appearance, holding two positions, namely a service position and a storage position by a simple mechanism, and protecting a seated driver from sunlight, rainfall, etc. CONSTITUTION: An electric motor car is provided with a hood which is provided on the back of a seat back 15 of a seat 14 through a link mechanism 17, and a hood body of which holds two positions, namely a service position located above the head of a seated driver, and a storage position located on the back of the seat back 15 of the seat 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to electric vehicles such as electric three-wheeled vehicles and electric four-wheeled vehicles.

[0002]

2. Description of the Related Art In recent years, electric vehicles for elderly people, which can be operated by a simple operation, are commercially available as shown in FIG. In the figure, 1 is a handle, 2 is a front wheel operated by the handle 1, and 3 is a set of rear wheels driven by a motor (not shown). Reference numeral 4 denotes a seat, and a battery for supplying electricity to the motor is arranged below the seat 4. Further, the handle 1 is provided with an accelerator lever for adjusting the speed.

[0003]

In the electric vehicle as shown in FIG. 8, since the seated person 5 of the seat 4 is always exposed to the outside air, there is a problem that sunlight, rain, etc. directly hit the seated person. There is.

The present invention has been made in view of the above problems, and a first object of the present invention is to provide an electric vehicle having a hood that protects a seated person from sunlight, rainfall and the like. A second object is to provide an electric vehicle having a hood that takes two positions, a use position and a storage position, and has a good-looking hood. A third object is to provide an electric vehicle having a hood having a simple mechanism.

[0005]

SUMMARY OF THE INVENTION The present invention for solving the above problems is provided in a back position of a backrest of a seat through a link mechanism, and a hood main body is located above a head of a seated person, and a hood. The main body has a hood having two storage positions, which are located on the back of the backrest of the seat.

As an example of the link mechanism in the above invention, a base end portion is rotatably attached to the backrest of the seat, and a tip end portion is rotatably attached to the base portion of the hood body, and a base end portion. The first link may be rotatably attached to the backrest, and the tip may be a second link rotatably attached to an intermediate portion of the hood body.

Further, in order to prevent movement of the hood body in the use position and the storage position, it is preferable to provide a lock mechanism for inhibiting the movement of the link mechanism.

[0008]

In the electric vehicle of the present invention, the hood body in the use position protects the seated person from sunlight, rainfall, and the like. Since the hood body with the storage position is located on the back of the seat back,
It looks good. Since the movement of the hood main body between the use position and the storage position is performed by using the link mechanism, the mechanism is simple.

In particular, as the link mechanism, the base end is rotatably attached to the backrest of the seat, and the tip end is rotatably attached to the base of the hood body, and the base end is the backrest. Rotatably attached to
The mechanism is simplified when the tip portion is composed of the second link rotatably attached to the middle portion of the hood body.

Further, in order to prevent movement of the hood main body in the use position and the storage position, a lock mechanism for prohibiting movement of the link mechanism is provided, so that the hood main body in the use position and the storage position is running. It is safe because it can be prohibited from moving due to wind pressure.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to the drawings. 1 is a side view of an electric vehicle according to an embodiment of the present invention when a hood is in use, FIG. 2 is an enlarged view of a link mechanism in FIG. 1, and FIG. 3 is a side view when the hood is in a storage position in FIG. 4 is a view for explaining the operation of the hood in FIG. 1, and FIG. 5 is a sectional view taken along the line AA in FIG.

First, the overall construction of the electric vehicle of this embodiment will be described with reference to FIG. In the figure, 11 is a handle and 12
Is a front wheel operated by the handle 11, and 13 is a pair of rear wheels driven by a motor (not shown). Reference numeral 14 denotes a seat, and a battery for supplying electricity to the motor is arranged below the seat 14. Further, the handle 11 is provided with an accelerator lever for adjusting the speed.

Brackets 16 are provided on both sides of the backrest 15 of the seat 14. The bracket 16 includes a link mechanism 17 and a hood 1 including a hood body 18.
9 are provided.

As shown in FIG. 2, the link mechanism 17 has a base end rotatably attached to the bracket 16 and a tip end rotatably attached to the base of the hood body 18.
Link 20 and a second link 21 having a base end rotatably attached to the bracket 16 and a tip end rotatably attached to an intermediate portion of the hood body 18.

Further, the hood body 18 is provided with a lock mechanism 30 for inhibiting the movement of the second link 21. Next, the lock mechanism 30 will be described with reference to FIGS. 2 and 5. At the tip of the second link 21, the second link 21
A fan-shaped lock plate 31 having two lock grooves 32, 32 'formed in the same circumference centered around the center of rotation of the front end of the is fixed.

On the other hand, in the vicinity of the rotation axis of the second link 21 of the hood body 18, the lock base 3 provided on the hood body 18 is provided.
3 is provided. A lock lever 34 is rotatably provided on the lock base 33. A cam portion 35 is formed near the rotation base end portion of the lock lever 34.

Reference numeral 36 is a cylindrical bearing member with a flange slidably engaged with a hole 33a formed in the lock base 33. A shaft 37 is slidably engaged with the bearing member 36.

Reference numeral 38 denotes a first holding arm which has a base end portion rotatably provided on the lock base 33 and extends in the direction of one surface of the lock plate 31 (the surface where the lock groove 32 is formed). The base end portion is a second holding arm rotatably provided on the first holding arm 38 and extending in the direction of the other surface of the lock plate 31. A projection 40 is formed at the tip of the first holding arm 38 so that it can be engaged with the lock grooves 32, 32 'of the lock plate 31.

One end of the shaft 37 slidably engages with an elongated hole 41 formed in the cam portion 35 of the lock lever 34, and a female screw 37a is formed on the other end. Then, the intermediate portion of the shaft 37 is inserted through holes 38a, 39a formed in the first and second holding arms 38, 39, and the female screw 37a is a nut capable of contacting the first holding arm 38. 42 is screwed together.

Further, a first spring 44 wound around the shaft 37 is arranged between the first holding arm 38 and the second holding arm 39, and the first holding arm 3 is provided.
8 and the second holding arm 39 are applied with a biasing force in a direction in which they are separated from each other.

Further, one end of the bearing member 36 is pressed against the second holding arm 39, and the other end is pressed against the lock base 33, so that the tip of the second holding arm 39 is locked. The second spring 45 that presses against the plate 31
And a third spring 46, one end of which is pressed against the lock base 33, the other end of which is pressed against the flange 36a of the bearing member 36, and the bearing member 36 is pressed against the cam portion 35 of the lock lever 34. It has been turned.

Next, the operation of the above configuration will be described. First,
The operation of the lock mechanism 30 will be described with reference to FIG. By rotating the lock lever 34 in the clockwise direction, the shaft 37 is guided by the bearing member 36 to move downward, and resists the biasing force of the first spring 44, so that the first holding arm 38 moves to the second holding arm 38. It rotates in the direction of the pinching arm 39, and the projection 40
Engages with the lock groove 32 of the lock plate 31 and enters a locked state in which the rotation of the second link 21 is prohibited.

On the contrary, the lock lever 34 in the locked state
When is rotated counterclockwise, the shaft 37 moves upward in FIG. 5, and the urging force of the first spring 44 causes the first clamping arm 38 to rotate away from the second clamping arm 39. The protrusion 40 is disengaged from the lock groove 32 of the lock plate 31, and becomes the unlocked state in which the second link 21 can rotate.

Next, as shown in FIG. 1 and FIG.
When the lock lever is locked, the lock lever 34 of the lock mechanism 30 is rotated counterclockwise so that the protrusion 40 of the first holding arm 38 causes the lock groove 3 of the lock plate 31 to move.
When the lock mechanism is unlocked from No. 2, the hood main body 18 becomes movable via the link mechanism 17.

When the hood body 18 is moved backward, the link mechanism 17 causes the hood body 18 to move while drawing a locus as shown in FIG. 4, and the back of the seat 14 as shown in FIG. The storage position is located on the back of the.

Here, the lock lever 3 of the lock mechanism 30
By rotating 4 in the clockwise direction, the projection 40 of the first holding arm 38 is engaged with the lock groove 32 'of the lock plate 31 this time, and the lock state is established.

According to the above construction, the hood main body 18 in the use position protects the seated person from sunlight, rainfall and the like. Since the hood main body 18 at the storage position is located on the back of the backrest 15 of the seat 14, it has a good appearance.

Further, the base end portion is rotatably attached to the backrest 15 of the seat 14, and the tip end portion is rotatably attached to the base portion of the hood body 18, and the base end portion is attached to the backrest 15. The mechanism is simplified by using the link mechanism 17 which is rotatably attached and has the second link 21 rotatably attached to the middle portion of the hood body 18.

Further, in order to prevent the movement of the hood body 18 in the use position and the storage position, the lock mechanism 30 for inhibiting the movement of the link mechanism 17 is provided so that the hood body 18 in the use position and the storage position can be moved. It is safe because it is prohibited to move to wind pressure while driving.

The present invention is not limited to the above embodiment. For example, although the lock mechanism 30 is manual in the above-described embodiment, it may be configured as shown in FIGS. 6 and 7. 6 is a block diagram of another embodiment of the lock mechanism 50, FIG.
FIG. 7 is a diagram illustrating electrical connection of the lock mechanism shown in FIG. 6. In these figures, the same parts as those in FIG. 2 are designated by the same reference numerals, and their description will be omitted.

In FIG. 6, the cam plate corresponds to the cam portion 35 of the lock lever 34. The cam plate 61 is provided with an elongated hole 62 into which one end of the shaft 37 is slidably engaged. 63 is the output shaft 63
It is a motor in which the base end of the arm 64 is attached to a. At one end of the arm 64, one end is provided with the cam plate 6
The other end of the rod 65, which is rotatably attached to the peripheral portion of 1, is rotatably attached.

Further, the lock base 33 has a use position detecting sensor 6 for detecting whether or not the hood body 18 is in the use position.
6, the backrest of the seat 14 is provided with a storage position detection sensor 67 (not shown in FIG. 6) for detecting whether the hood body 18 is in the storage position.
A micro switch was used in this example.

Further, the lock base 33 is provided with an unlock switch 68 for unlocking the lock mechanism. Next, in FIG. 7, 70 is a lock relay that responds to the use position detection sensor 66 and the storage position detection sensor 67, and 71 is an unlock relay that responds to the unlock switch 68.

Next, the operation of the lock mechanism of this embodiment will be described with reference to FIG. When the hood body 18 moves to the use position or the storage position, the use position detection sensor 66 or the storage position detection sensor 67 is turned on, and the lock relay 7 responds,
The motor 63 rotates the cam plate 61 in the clockwise direction in FIG. Then, the shaft 37 is guided by the bearing member 36 and moves downward, and the first holding arm 38 rotates in the direction of the second holding arm 39 against the biasing force of the first spring 44, and the projection 40 Engages with the lock groove 32 of the lock plate 31 and enters a locked state in which the rotation of the second link 21 is prohibited.

Next, when the unlock switch 68 is turned on, the unlock relay 71 responds and the motor 63 rotates the cam plate 61 counterclockwise in FIG.
Then, the shaft 37 moves upward in FIG. 6, and the urging force of the first spring 44 causes the first holding arm 3 to move.
8 rotates in a direction away from the second holding arm 39,
The protrusion 40 is disengaged from the lock groove 32 of the lock plate 31, and becomes the unlocked state in which the second link 21 can rotate.

In the hood of the electric vehicle using the electric lock mechanism 50 as described above, in addition to the effects of the above-described embodiment, the unlocked state can be automatically changed to the locked state.
The locked state can be changed to the unlocked state by simply turning on the unlock switch 68.

[0037]

As described above, according to the present invention, the hood main body in the use position protects the seated person from sunlight, rainfall and the like. The hood body, which is in the storage position, is located on the back of the seat back, so it looks good. Since the movement of the hood main body between the use position and the storage position is performed by using the link mechanism, the mechanism is simple.

In particular, as the link mechanism, the base end portion is rotatably attached to the backrest of the seat, the tip end is rotatably attached to the base portion of the hood body, and the base end portion is the backrest. Rotatably attached to
The mechanism is simplified when the tip portion is composed of the second link rotatably attached to the middle portion of the hood body.

Further, in order to prevent movement of the hood main body in the use position and the storage position, a lock mechanism for prohibiting movement of the link mechanism is provided, so that the hood main body in the use position and the storage position is in motion. It is safe because it can be prohibited from moving due to wind pressure.

[Brief description of drawings]

FIG. 1 is a side view of an electric vehicle according to an embodiment of the present invention when a hood is in use.

FIG. 2 is an enlarged view of the link mechanism in FIG.

FIG. 3 is a side view when the hood is in the storage position in FIG.

FIG. 4 is a diagram illustrating the operation of the hood in FIG.

5 is a cross-sectional view taken along the line AA in FIG.

FIG. 6 is a configuration diagram of another embodiment of the lock mechanism.

FIG. 7 is a diagram illustrating electrical connection of the lock mechanism shown in FIG.

FIG. 8 is a side view of a conventional electric vehicle.

[Explanation of symbols]

 14 seat 15 backrest 17 link mechanism 18 hood body

Claims (3)

[Claims] 1. A use position in which a hood body is located above a head of a seated person, and a storage position in which the hood body is located on a back portion of the backrest of the seat, the hood body being located above the back portion of the seat back via a link mechanism. A hood for an electric vehicle, which is provided with a hood having two positions. 2. The link mechanism according to claim 1, wherein a base end portion is rotatably attached to a backrest of the seat, and a tip end portion is rotatably attached to a base portion of the hood body; The electric vehicle according to claim 1, further comprising a second link rotatably attached to the backrest and having a tip end rotatably attached to an intermediate portion of the hood body. 3. The electric vehicle according to claim 1, further comprising a lock mechanism that prohibits movement of the link mechanism in the use position and the storage position.