JPH0538949A - Battery holding device for electric motor vehicle - Google Patents

Abstract

PURPOSE:To fix batteries with a mere and simple operation and enhance water- proofing and dust-proofing performance. CONSTITUTION:Two batteries are horizontally mounted on the body of an electric motor vehicle. A bracket 20 extended frontward from the rear between two batteries is provided, and a cover 21 for covering a space between two batteries is rotatably fitted to the front end of the bracket 20 through a cam plate 23. A slide plate 25 provided partially with a slant face 25a is mounted inside the bracket 20. A shaft 30 with a battery keep plate 28 fitted to its upper end is provided with a pin 29 inserted diametrally through its lower end, and passed through from above the bracket 20 in such a way that the pin 29 is brought into contact with the slant face 25a of the slide plate 25 from below. A spring 31 for energizing the shaft 30 is further interposed at the periphery of the shaft 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery holding device for fixing a battery loaded on an electric vehicle.

[0002]

2. Description of the Related Art An electric vehicle is a convenient vehicle for an elderly person who is not confident in his legs to go out alone.
For example, there is a three-wheel type in which the front wheels are one steering wheel and the rear wheels are two wheels that stably support the seat.
In the case of such an electric vehicle, it is necessary to use a battery as a power source to manage charging and the like after traveling an appropriate distance or after an appropriate period has elapsed (see Japanese Patent Laid-Open No. 2-49654).

Next, a conventional electric vehicle will be described.
In FIG. 8, 1 is a three-wheel electric vehicle. The vehicle body 3 having the step 2 at the front has one front wheel 4 and two left and right rear wheels 5, and the front wheel 4 is attached to the lower end of the shaft 6 passing through the step 2 via a fork 7 and a shaft 8 It is supported by. A handle 9 that is held by an occupant is attached to the upper end of the shaft 6. A battery 10 is mounted on a portion of the vehicle body 3 located behind the step 2, and the battery cover 11 covers the battery 10 from above (see also FIGS. 6 and 7).

As shown in FIGS. 6 and 7, a seat holder pipe 12 is provided upright at the center of the rear portion of the vehicle body 3 on which the battery 10 is mounted.
A shaft (not shown) protruding downward is fitted into the lower part of the. A bracket 14 formed by bending a plate toward the front is attached to the upper portion of the pipe 12 by welding, and an attachment hole 15 is provided near the front end of the bracket 14. A battery pressing plate 16 is overlaid on the bracket 14 and a hole 17 is provided in the center thereof,
The fixing bolt 18 is inserted into the mounting hole 15 provided in the bracket 14, and a nut is screwed into the fixing bolt 18 to be tightened so that the battery 10 can be pressed through the left and right battery covers 11.

The shape of the battery cover 11 is a rectangular parallelepiped whose lower part is opened so as to cover the battery 10 from the upper part.
The battery 10 is covered from the upper portion, the lower edge portion thereof is fitted into the battery fixing container 19, and then the upper portion is pressed by the battery pressing plate 16.

In the conventional electric vehicle having such a structure, the battery cover 11 is removed from the vehicle body 3 when the battery 10 is inspected or serviced. As a method thereof, first, the seat 13 is lifted and removed, and then the fixing bolt 18 is loosened, the battery pressing plate 16 is removed, the battery cover 11 is removed, and then the battery 10 is inspected or maintained. Then, when the inspection and the like are completed, the battery cover 11 is put on again and the battery holding plate 16 is attached to the bracket 14
And tighten the fixing bolts 18 and nuts so that the battery cover 11 and the battery 10
Hold down.

[0007]

In the prior art described above, when the battery is pressed, the battery cover is pressed by the battery pressing plate, and the nut is screwed into the fixing bolt through which the battery pressing plate and the bracket are inserted. The battery was held down by the battery retainer plate through the battery cover when tightened, but when tightening the fixing bolt, the fixing bolt cannot be fixed unless it is rotated several times, for example, 5 to 8 times. Was required and the fixing operation was complicated. In addition, since there is a space between the two batteries, water and dust easily enter.

The present invention has been made in view of this point, and the battery can be fixed by a light and simple operation.
Moreover, it is an object of the present invention to provide a battery holding device for an electric vehicle that has improved waterproofness and dustproofness.

[0009]

According to the present invention, as means for solving the above problems, two batteries are horizontally mounted on a vehicle body, and an upper portion of the batteries is pressed by a holding plate. In a vehicle, a bracket extending from the rear to the front between the two batteries is provided, and a cover for hiding the space between the two batteries is pivotally attached to a front end of the bracket via a cam plate. Inside the bracket, a slide plate that is pushed by the cam plate when the cover is in a suspended state and is located rearward in the bracket and having a slope is partially attached, and a battery holding plate is attached to the upper end of the shaft. A pin is inserted in the lower end in the diametrical direction so that the pin comes into contact with the slope of the slide plate from below and penetrates upward from the bracket. Yafuto is characterized in that is interposed a spring for biasing the force directed upward.

[0010]

Since the present invention has such a structure, when the battery cover is removed and the battery is inspected or the like, if the free end on the lower side of the cover in the hanging state is lifted up, the slide plate is moved in the bracket. The pressing force of the cam plate at the upper end of the cover, which was pressed backward, is loosened, and the slide plate is pressed upward by the shaft pin that contacts the slope from below and the force of the spring that biases the shaft upward. , Slides forward. As a result, the shaft to which the battery retainer plate is attached rises, and the retainer of the battery cover loosens. After that, if the shaft is rotated, the battery cover can be removed and the battery can be inspected.

After the battery is inspected, the battery cover is attached to the battery, the shaft is rotated so that the pin at the lower end of the shaft comes into contact with the slide plate from below the inclined surface, and then the free end of the cover is lowered. When rotated in the direction, the slide plate is pushed rearward by the cam plate, and the pin contacting the slope of the slide plate from below is pushed downward by the slope against the force of the spring. As a result, the shaft is lowered to the lower side, so that the pressing plate of the battery can also be lowered to press the battery cover, and the battery can be pressed.
Further, when the cover is suspended, the space between the two batteries can be covered by this cover.

[0012]

Embodiments of the present invention will now be described with reference to the accompanying drawings.
The same members as those shown in FIGS. 6 to 8 will be designated by the same reference numerals. First, as shown in FIG. 5, two batteries 10 are horizontally mounted on the body 3 of the electric vehicle. Has been done. A bracket 20 extending from the rear of the vehicle body 3 to the front is provided between the two batteries 10. A cover 21 for hiding the space between the two batteries 10 is attached to the front end of the bracket 20. The cover 21 is the bracket 20
It is fixed by screws 24 to a cam plate 23 rotatably provided at two front and rear screws 22.

Inside the bracket 20, a slide plate 25 having a sloped surface 25a is mounted along the upper plate 20a of the bracket 20. Slide plate 25
Is supported slidably in the front-rear direction by two screws 26 attached to the bracket 20 at the left and right in the front-rear direction. Also, the upper plate 20a and the lower plate 20b of the bracket 20
A through hole 27 is provided in the through hole 27, and a shaft 30 having a battery holding plate 28 attached to the upper end and a pin 29 inserted in the diametrical direction to the lower end penetrates the through hole 27. The pin 29 inserted into the lower end of the shaft 30 contacts the slope 25a of the slide plate 25 from below.

Further, on the outer periphery of the shaft 30 protruding above the upper plate 20a of the bracket 20, there is a spring, that is, a compression spring for urging the shaft 30 upward force.
31 is installed. The lower end of the compression spring 31 is in contact with the upper plate 20a of the bracket 20, and the upper end thereof is in contact with the washer 32 provided on the shaft 30. I.e. compression spring 31
When the compression spring 31 is fitted to the shaft 30, the washer 32 and the spacer (stepped) 33 are also fitted, and the holding plate 28 of the battery 10 is attached to the uppermost part and the bolt is attached.
34 is screwed onto the shaft 30 and fixed integrally. In this case, the holding plate 28 of the battery 10 is mounted so as to be rotatable.

Since the electric vehicle of the present invention is constructed as described above, when the cover 21 is in a hanging state, it is inside the bracket 20 and has a slide plate 25a on a part thereof.
25 is pushed by the cam plate 23 to which the cover 21 is attached and is positioned rearward in the bracket 20. Thus, when the cover 21 is in the hanging state, the battery 10 is thereby fixed to the vehicle body 3 via the battery cover 11.

The battery 10 is removed by removing the battery cover 11.
When the lower end of the cover 21 in the hanging state is lifted upward when performing the inspection, etc., the slide plate 25 is pressed backward in the bracket 20.
And the slide plate 25 moves upward due to the pin 29 of the shaft 30 that was in contact with the slope 25a of the slide plate 25 from below and the force of the compression spring 31 that urges the shaft 30 upward. It receives the force of and slides forward. As a result, the shaft 30 to which the holding plate 28 of the battery 10 is attached rises, and the holding of the battery cover 11 loosens. By rotating the raised shaft 30, the battery cover 11 can be removed and the battery 10 can be inspected.

After the battery 10 is inspected, the battery cover 11 is attached to the battery 10 and the shaft 30 is rotated to allow the pin 29 at the lower end of the shaft 30 to slide on the slide plate 25.
If the free end of the cover 21 is rotated downward after it is positioned so as to contact from below the slope 25a, the slide plate 25 is pushed backward by the cam plate 23.
The pin 29, which is in contact with the slope of 25 from below, is pushed downward by the slope 25a against the force of the compression spring 31, and the shaft 30 is also lowered, so that the holding plate 28 of the battery 10 is also lowered. Can hold down the battery cover 11 by
The battery 10 will be pressed down.

[0018]

Since the present invention is constructed as described above, when the battery is inspected or the like, the pressing force of the cam plate against the slide plate is slackened by simply rotating the cover upward so that the slide plate moves forward. The shaft pin moves in the upward direction and is in contact with the slope of the slide plate from below, and the compression spring fitted in the shaft causes the shaft to move upward and the battery retainer plate to move upward. The battery cover can be removed. Therefore, the battery can be easily fixed or released by a light operation. Also,
When fixing and releasing the battery, all you have to do is move the cover, so the operation is very easy. Further, since the space between the batteries can be hidden, it is waterproof and dustproof. Further, when the battery is not fixed, the cover is projected to the step side and interferes with the riding, so that it is easy to confirm whether or not the battery is fixed.

[Brief description of drawings]

FIG. 1 is a schematic view showing an embodiment of the present invention.

FIG. 2 is a side view of that of FIG.

FIG. 3 is a front view of that of FIG. 1.

FIG. 4 is a plan view of that of FIG.

FIG. 5 is a perspective view of an electric vehicle equipped with the battery fixing device of the present invention.

FIG. 6 is a perspective view showing a conventional battery fixing device.

FIG. 7 is a schematic view taken along the line AA of FIG.

FIG. 8 is a perspective view of an electric vehicle equipped with a conventional battery fixing device.

[Explanation of symbols]

 1 Electric vehicle 3 Body 10 Battery 20 Bracket 21 Cover 23 Cam plate 25 Slide plate 25a Slope 29 Pin 30 Shaft 31 Compression spring

Claims (1)

[Claims] 1. An electric vehicle in which two batteries are laterally mounted on a vehicle body and an upper portion of the batteries is held by a holding plate, and a bracket extending from the rear to the front between the two batteries is provided. Provided at the front end of the bracket with 2
A cover for hiding the space between the individual batteries is pivotally mounted via a cam plate, and the cover is pushed inside the bracket by the cam plate when the cover is in a suspended state, and is positioned rearward in the bracket. A slide plate having an inclined surface is attached to the shaft, and a shaft having a battery retainer plate attached to the upper end is inserted with a pin in the diameter direction at the lower end so that the pin comes into contact with the inclined surface of the slide plate from below. A battery holding device for an electric vehicle, characterized in that a spring that penetrates upward from a bracket and that urges an upward force of the shaft is provided on the outer periphery of the shaft.