JP2002370547A - Battery supporting device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery supporting device for a vehicle capable of restricting the vertical and lateral movement of a battery tray in an accommodated state, and eliminating the shock of the battery tray in vertical vibration and rolling of the vehicle, and the shock in accommodating the battery tray. SOLUTION: The battery tray 2 having guide rails 3 horizontally extended from this side to a depth side on its both side faces, and capable of coming in and out with respect to a battery tray accommodating space while guided by guide roller bearings 4, is provided with lock mechanisms oppositely abutted on threaded hole members 7 fixed to brackets 6 mounted on both front end sides, and a car body, and connected by means of bolts 8, and stopper members 10 composed of an elastic material such as rubber fixed to a depth wall face of the battery tray 2 and pressed to side frames 11 of the car body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle battery support device.

[0002]

2. Description of the Related Art Vehicles such as buses equipped with a diesel-electric hybrid engine have been provided in order to reduce the amount of air pollutants emitted by a diesel engine. This diesel-electric hybrid engine has a built-in three-phase AC machine in the flywheel housing of the diesel engine, operates the three-phase AC machine as a starter when the engine starts, and torque assists the three-phase AC machine when starting and accelerating the vehicle. The three-phase AC machine is operated as an electric brake during braking of the vehicle to reduce the load on the diesel engine.

A vehicle such as a bus equipped with such a diesel-electric hybrid engine requires a large number of large batteries, and a handle 5 is provided on a front wall as a device for supporting the battery as shown in FIG. A battery tray 2 having guide rails 3 extending horizontally from the front side to the back side on both side surfaces is provided. A guide roller bearing 4 is provided in a battery tray storage space provided in a vehicle body.
The brackets 6 are provided so as to be guided in and out of the battery tray 2 and provided on both sides of the front end of the battery tray 2.
In this state, a lock mechanism is provided which is in contact with the screw hole member 7 fixed to the vehicle body and is connected by bolts 8.

[0004]

However, each hybrid battery supported on the battery tray 2 is large, about 19 kg, and requires about 20 buses. As shown in FIG. Each of the battery trays 2 is mounted separately, and the supporting weight of the battery tray 2 is equivalent to 170 kg. Accordingly, the guide roller bearing 4 supporting the guide rail 3 receives a large load, and if the battery tray 2 is loosened by vibration during traveling, the guide roller bearing 4 may be damaged by an impact, and When the vehicle rolls, there is a possibility that the locking mechanism of the bracket 6, the screw hole member 7, and the bolt 8, which only locks the front surface of the battery support device, cannot cope with the rolling force applied to the battery tray 2.
Further, when the battery tray 2 is stored, the bracket 6 of the lock mechanism strongly comes into contact with the screw hole member 7 due to the inertia of the pushing, and there is a disadvantage that the battery tray 2 is shocked.

The applicant of the present invention has disclosed a device for suppressing the rattling of the battery tray 2 in Japanese Utility Model Application Laid-Open No. 5-54105. When the battery tray 2 is stored in the battery tray storage space, the tapered cam is pressed by the lock arm that swings by the tapered cam, and the guide rail 3 of the battery tray 2 is pressed against the guide roller bearing 4 to prevent rattling. The structure is as described above. Therefore, in this device, the rattling of the battery tray 2 is merely suppressed, and it is not possible to cope with the rolling force applied to the battery tray 2 when the vehicle rolls or to eliminate the shock when the battery tray 2 is stored. .

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicle in which the vertical and horizontal movements of the battery tray are restricted while the battery tray is housed, and the shock of the battery tray in the vertical vibration and roll of the vehicle and the shock when the battery tray is housed are eliminated. To provide a battery support device for a vehicle.

[0007]

According to a first aspect of the present invention, there is provided a battery tray storage space provided in a vehicle, wherein the battery tray storage space is provided between the front and rear of the battery tray storage space. A battery support device for a vehicle in which a battery tray having guide rails extending horizontally to both sides on both sides is guided by guide roller bearings arranged on the vehicle body so as to be able to be taken in and out, and both sides of the front end of the battery tray A lock mechanism is provided in which the bracket provided on the battery tray is fixed to the inner wall surface of the battery tray or the guide rail and is connected to the screw hole member fixed to the vehicle body in the storage state of the battery tray by bolts. A stopper member made of an elastic material such as rubber pushed into the side frame.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings, using an example in which the present invention is applied to a bus equipped with a diesel-electric hybrid engine. In FIG. 1, reference numeral 1 denotes a bus, and a battery is supported by a battery tray 2 which is disposed in a battery tray storage space provided in a space below the floor between a front wheel and a rear wheel so that the battery can be taken in and out from the side of the vehicle body.

As shown in FIGS. 2 and 3, the battery tray 2 has a handle 5 on its front wall, and has guide rails 3 which extend horizontally from the front to the back on both sides and are provided on the vehicle body. The guide rail 3 is guided by a guide roller bearing 4 into and out of the battery tray storage space. Further, a lock mechanism is provided in which brackets 6 provided on both sides of the front end of the battery tray 2 come into contact with a screw hole member 7 fixed to the vehicle body in a state where the battery tray 2 is stored and are connected by bolts 8.

The battery tray 2 includes a battery tray 2 having a large depth as shown on the left side of FIG. 5 and a battery tray 2 having a small depth as shown on the right side of FIG. Therefore, the present invention provides FIG.
In the battery tray 2 having a large depth as shown on the left side of FIG. 5, a stopper member made of an elastic material such as rubber which is pushed into the side frame 11 of the vehicle body on the back wall surface of the battery tray 2 as shown in FIGS. 10 is fixed via a bracket 9. This stopper member 10
Is desirably fixed at two places on the left and right sides of the inner wall surface of the battery tray 2.

In the battery tray 2 having a small depth as shown on the right side of FIG. 5, a side frame 11 of the vehicle body is provided at a deep portion of the guide rail 3 which moves integrally with the battery tray 2 as shown in FIGS. A stopper member 10 made of an elastic material such as rubber which is pushed into the bracket is fixed via a bracket 9. This stopper member 10 is desirably fixed to the left and right guide rails 3.

Both the deep battery tray 2 shown on the left side of FIG. 5 and the stopper member 10 of the shallow battery tray 2 shown on the right side of FIG. It is valid.

Since the present invention has a structure as described above, as shown on the left side of FIG.
Is pushed in and stored, the bracket 6 of the locking mechanism
Immediately before contacting with the screw hole member 7, the elastic material of the stopper member 10 comes into contact with the corner of the side frame 11 as shown in FIGS.

Thereafter, the bracket 6 of the lock mechanism is fastened to the screw hole member 7 with a bolt 8 to lock the battery tray 2 by tightening the bolt 8.
The elastic member of the stopper member 10 is pressed against the lower surface of the corner portion of the side frame 11 by the margin to the side frame 11, and applies a downward force to the battery tray 2.

Thus, the battery tray 2 housed in the battery tray housing space is provided on both sides of the front end thereof.
The storage state is firmly locked at four locations, which are a lock mechanism of the location and stopper members 10 provided at two locations on the left and right sides of the inner wall surface of the battery tray 2. The load on the lock mechanism is eliminated without following the vehicle roll.

Further, the elastic material of the stopper member 10 is pressed so as to bite into the lower surface of the corner of the side frame 11, and a force for pushing down the battery tray 2 is applied.
To prevent rattling of the battery tray 2 due to vibration or the like during traveling.

In the case of the battery tray 2 having a small depth shown on the right side of FIG. 5, when the battery tray 2 is pushed in and stored, it is integrated with the battery tray 2 immediately before the bracket 6 of the lock mechanism comes into contact with the screw hole member 7. As shown in FIG. 8, the elastic member of the stopper member 10 fixed to the moving guide rail 3 comes into contact with the corner of the side frame 11 to absorb the shock when the battery tray 2 is stored.

Thereafter, as shown on the left side of FIG. 5, the bracket 6 of the lock mechanism is fastened to the screw hole member 7 with the bolt 8 to lock the same as the battery tray 2 having a large depth, so that the bolt 8 is tightened. The elastic material of the stopper member 10 fixed to the guide rail 3 is pressed by the margin of the battery tray 2 to the side frame 11 so as to bite into the lower surface of the corner of the side frame 11, and the battery tray 2 is pushed downward. Is given.

As a result, the battery tray 2 stored in the battery tray storage space is provided on both sides of the front end thereof.
The storage state is firmly locked at four locations, which are the lock mechanism of the location and the two stopper members 10 fixed to the left and right guide rails 3. The load on the lock mechanism is eliminated without following the vehicle roll.

Further, the elastic material of the stopper member 10 is pressed so as to bite into the lower surface of the corner of the side frame 11, and a downward force is applied to the battery tray 2.
To prevent rattling of the battery tray 2 due to vibration or the like during traveling.

[0021]

As described above, according to the present invention, the shock at the time of storage of the battery tray is absorbed and relieved by a simple structure, so that even if the vehicle rolls, the battery tray follows the roll of the vehicle. Therefore, the load on the lock mechanism can be eliminated, and the suppression of rattling of the battery tray due to vibration or the like during traveling can be simultaneously satisfied. In addition, since it can be realized only by attaching a stopper member made of an elastic material such as rubber to a conventional battery tray, it can be provided at low cost.

[Brief description of the drawings]

FIG. 1 is a side view of a bus to which the present invention is applied.

FIG. 2 is a side view of the present invention.

FIG. 3 is a front view of the present invention.

FIG. 4 is a plan view of a lock mechanism.

FIG. 5 is a plan view of the present invention.

FIG. 6 is a plan view of a battery tray according to the present invention.

FIG. 7 is a side view showing an operation state of a stopper member fixed to the battery tray.

FIG. 8 is a side view showing an operation state of a stopper member fixed to a guide rail.

FIG. 9 is a side view of a conventional general battery support device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bus 2 Battery tray 3 Guide rail 4 Guide roller bearing 5 Handle 6 Bracket 7 Screw hole member 8 Bolt 9 Bracket 10 Stopper member 11 Side frame

Claims (1)

[Claims] 1. A battery tray provided on a vehicle body and having guide rails extending horizontally from the front to the back of the battery tray storage space on both sides in a battery tray storage space provided in the vehicle. In the vehicle battery support device provided so as to be guided in and out of the guide roller bearings, brackets provided on both sides of the front end of the battery tray come into contact with a screw hole member fixed to the vehicle body in a state where the battery tray is stored. A vehicle comprising: a lock mechanism connected by bolts; and a stopper member made of an elastic material such as rubber and fixed to the inner wall surface of the battery tray or the guide rail and pushed into a side frame of a vehicle body. Battery support device.