JPS6143613Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a battery storage device for an electric vehicle.

Generally, an electric vehicle runs using a battery as a driving source, and the battery is loaded and unloaded from the side of the vehicle body, for example, under the cabin floor. When a battery is housed in this electric vehicle, it is desirable that the battery can be fixedly supported so that it does not vibrate due to driving vibrations or the like.

In view of these points, this invention is an electric vehicle battery storage device that securely holds the battery under the passenger compartment floor, and more specifically, a battery storage device for an electric vehicle that mounts the battery between the vehicle body frame and the passenger compartment floor. By providing a mounting stand to be placed, attaching the lower end of the mount tower to the vehicle body frame, attaching a mount rubber to the upper end of the mount tower via an adjustment member, and bringing this mount rubber into contact with the lower surface of the vehicle interior floor. An object of the present invention is to provide a battery storage device for an electric vehicle that securely holds a battery.

An embodiment of the present invention will be described below with reference to the drawings.

1 to 5 show a battery storage device for an electric vehicle according to an embodiment of the present invention. In the figure, reference numeral 1 is an electric vehicle, and the rear part of the interior floor 2 of the electric vehicle 1 is formed higher than the front surface, and a rear seat (not shown) is provided on the upper surface of the rear part.
is provided. Left and right vehicle body frames 3 are disposed below the vehicle interior floor 2 in the longitudinal direction of the vehicle body, and the vehicle body frames 3 are fixed to each other by cross members 4 disposed in the vehicle width direction. There is.

A battery storage device 5 is provided between the vehicle body frame 3 and the rear portion of the vehicle interior floor 2. In this battery storage device 5, reference numeral 6 denotes a rectangular parallelepiped-shaped battery tray for placing and accommodating a battery 7, and the battery tray 6 is slidably placed on a guide rail 8 attached to the vehicle body frame 3 in the vehicle width direction. has been done. A flange 6a is formed on the upper edge of the battery tray 6, and a notch 9 is formed approximately in the center on both left and right sides of the flange 6a. A bracket 10 having a corrugated cross section as shown in FIG. 2 is fixed to the lower side by spot welding.

Further, both left and right ends of the cross member 4 located approximately at the center of the vehicle body frame 3 are formed to protrude outward from the vehicle body frame 3, and a mount tower 11 is fixed to the right projecting end 4a. That is, as shown in FIG. 3, the mount tower 11 is composed of a pipe-shaped mount tower main body 12 and a slide pipe 13 welded to the lower end of the main body 12, and the mount tower main body 12 has a battery. Notch 9 of tray 6 and recess 10 of bracket 10
The slide pipe 13 is mounted on the outer peripheral surface of the projecting end 4a and fixed with bolts 14a and nuts 14b. Further, a substantially U-shaped mounting bracket 15 is welded and fixed to the outer peripheral surface of the mount tower main body 12, and the mounting bracket 15 is attached to the bracket 10 of the battery tray 6 with bolts 15a. Further, a cylindrical mount rubber 17 is attached to the upper end 12a of the mount tower main body 12 via an adjustment member 16, and the upper surface of the mount rubber 17 is attached to the passenger compartment floor 2 in the vehicle width direction, as shown in FIG. It is in contact with the lower surface of the formed protrusion 2a. In the adjustment member 16, as shown in FIG. 4, the head 18a of the bolt 18 is housed within the mount rubber 17, and the threaded portion 18b thereof is inserted through the through hole 19a of the bracket 19 of the mount rubber 17. A rotating nut 20 is screwed and fixed by welding to the threaded portion 18b, and a second nut 21 is further screwed thereto. On the other hand, a third nut 22 is welded and fixed to the lower surface of the upper end 12a of the mount tower main body 12, and the threaded portion 18b of the bolt 18 is connected to the mount tower main body 1.
The adjustment member 16 is inserted through the through hole 12b of the upper end 12a of the third nut 22 and screwed onto the third nut 22, and thus the adjustment member 16 is constructed.

On the other hand, on the left side protruding end 4b of the cross member 4, a mount rubber 23 is attached to the upper end in the same manner as above.
A mounting tower 24 having a diameter is attached to the mounting tower 24. However, the main body 25 of the mount tower 24 is not provided with a mounting bracket, and therefore the mount tower main body 25 is simply connected to the inner surface of the notch 9 of the flange 6a of the battery tray 6 and the inner surface of the recess of the bracket (not shown). It's just touching.

Further, the left vehicle body frame 3 is provided with a locking device 26 as shown in FIG. In this locking device 26, a hook 28 is attached to a base plate 27 so as to be rotatable around a shaft 28a, and the hook 28 is supported by a spring member 29 as indicated by the arrow A.
biased in the direction. A U-shaped striker 30 attached to the left end of the front wall 6c of the battery tray 6 engages with this hook 28, and the hook 28 is locked by a lever 31.
is rotatably provided around a shaft 31a, and is biased in the direction of arrow B by a spring member 32. One end of a wire 33 is locked to the lower end of the lever 31, and the other end of the wire 33 is connected to an operating knob 34 attached to the right vehicle body frame 3 via a bracket 34a. This operation knob 34
The rod 35 is formed with two recesses 35a and 35b, and the pipe 38 that accommodates the rod 35 is provided with a ball 37 that is biased by a spring member 36. When the ball 37 is in an upright state with its tip 34b facing in the vertical direction as shown in FIG.
The operation knob 34 is held in the same state by engaging with the operation knob 34, and the operation knob 34 is raised approximately 90 degrees from the above-mentioned upright position.
When rotated, the ball 37 and the recess 35a or 3
5b is released, and the operating knob 34 can be pulled or returned.

Next, the operating method of this device will be explained.

In this battery storage device 5, when the battery 7 is stored, the battery tray 6 that stores the battery 7 is stored between the vehicle interior floor 2 and the vehicle body frame 3. In the locking device 26, the hook 28 and the striker 30 of the battery tray 6 are engaged, and the battery tray 6 is locked. Also, the protruding end 4 of the central cross member 4
Mounting towers 11 and 24 are attached to a and 4b, and the battery tray 6 is fixedly held to the vehicle body frame 3 by the mounting towers 11 and 24, and the mounting rubber at the upper end of the mounting towers 11 and 24 is attached to the mounting towers 11 and 24. 17 and 23 support the vehicle interior floor 2 by coming into contact with the lower surface of the protrusion 2a of the vehicle interior floor 2, respectively.

When removing the battery 7 from the car 1 to replace the battery 7, first turn the turning nut 20 of the adjusting member 16 on the right side of the car body to lower the bolt 18, and then attach the mount rubber 17 to the protrusion on the passenger compartment floor 2. 2a Separate from the bottom surface. Next, bolt 15a
Remove the mounting bracket 15 and attach it to the battery tray 6.
from the bracket 10, and remove the bolt 14.
a. Unscrew the nut 14b and attach the slide pipe 13 of the mount tower 11 to the cross member 4.
Remove it from the right protruding end 4a. Then, when the operating knob 34 of the locking device 26 is pulled, the lever 31 rotates in the direction opposite to the B direction against the spring force of the spring member 32, and the engagement between the lever 31 and the hook 28 is released. is rotated in the direction of arrow A by the spring force of the spring member 29, and the engagement between the hook 28 and the striker 30 is released. After removing the mount tower 11 and unlocking the locking device 26 in this way, pull out the battery tray 6 to the right side of the vehicle body, remove the old battery 7 from the battery tray 6, and insert the new battery 7 into the battery tray 6.
Place it on.

When storing the battery tray 6 on which the battery 7 is placed under the vehicle interior floor 2, push the battery tray 6 toward the left side of the vehicle body, and insert the inner surface of the notch 9 of the left flange 6a of the battery tray 6 and the bracket. The inner surface of the recess and the mount tower 24
The outer peripheral surface of the main body 25 is brought into contact with the outer peripheral surface of the main body 25. Then, the striker 30 of the battery tray 6 engages the locking device 2 again.
When the lever 31 is rotated in the direction B by the spring force of the spring member 32 and engaged with the hook 28, the locking device 26 locks the battery tray. Lock 6. Next, the slide pipe 13 of the mount tower 11 is attached to the right protruding end 4a of the cross member 4 and fixed with the bolt 14a and nut 14b, and the mounting bracket 15 is attached to the bracket 10 of the battery tray 6 with the bolt 15a. The battery tray 6 is fixedly held on the vehicle body frame by the mount towers 11 and 24 on both the left and right sides. Finally, the rotating nut 20 of the adjusting member 16 is turned to push up the bracket 19 and the mount rubber 17, and the upper surface of the mount rubber 17 is brought into contact with the lower surface of the protrusion 2a of the vehicle interior floor 2.

In the battery storage device of this embodiment as described above, the battery 7 is fixedly held on the vehicle body frame 3 by the left and right mount towers 11 and 24, and the battery 7 is locked by the locking device 26. Therefore, even if running vibrations etc. are transmitted to the battery 7, the battery 7 will not rattle and vibrate and will be firmly fixed.

Generally, if a large space is provided between the vehicle interior floor 2 and the vehicle body frame 3 to accommodate the battery storage device 5, the strength of the vehicle interior floor 2 may be weakened. Now, mount tower 1 for fixing battery 7.
Mount rubbers 17 and 23 are provided at the upper ends of 1 and 24, and these mount rubbers 11 and 23 come into contact with the lower surface of the protrusion 2a of the vehicle interior floor 2, supporting the vehicle interior floor 2 with respect to the vehicle body frame 3. Therefore, the cabin floor 2 has a strong structure.

Also, turn the rotating nut 20 of the adjustment member 16 to move the mount rubber 11 onto the protrusion 2a of the vehicle interior floor 2.
When bringing the mount rubber 17 into contact with the lower surface, the through hole 19a of the bracket 19 of the mount rubber 17 is formed to be larger than the outer diameter of the threaded portion 18b of the bolt 18, and the lower surface of the head 18a of the bolt 18 and the through hole 19a of the bracket 19 are made larger. Since it is made to make contact with the periphery,
Almost no rotational force from the rotation nut 20 acts on the mount rubber 17, and even if the mount rubber 17 starts to come into contact with the vehicle interior floor 2, the mount rubber 17 does not twist. No wear occurs.

In the above embodiment, the battery tray is slidable, but it may be fixed. Further, in the above embodiment, the battery is placed and housed in the battery tray, but the battery may be placed on the vehicle body frame and the cross member.

Further, in the above embodiment, the mount tower is attached to the protruding end of the cross member, but it may be attached directly to the vehicle body frame. Further, in the above embodiment, the mount tower is fixed to the cross member, but it may also be rotatably pivoted.

As described above, according to the present invention, the lower end of the mount tower is attached to a part of the vehicle body frame, the mount rubber is attached to the upper end of the mount tower via the adjustment member, and the mount rubber is brought into contact with the lower surface of the vehicle interior floor. I made it so that it was in contact with the
This has the effect of providing a battery storage device that can securely hold the battery and firmly support the vehicle interior floor.

[Brief explanation of the drawing]

Fig. 1 is a schematic perspective view of an electric vehicle having a battery storage device according to an embodiment of the present invention, Fig. 2 is a perspective view of essential parts of the device, and Fig. 3 a and b are cross-sectional side views of a mount tower in the device. FIG. 4 is a partially sectional side view of the above device, and FIG. 5 is a schematic diagram of the locking device in the above device. 1... electric car, 2... cabin floor, 3...
Vehicle body frame, 5...Battery storage device, 6...
Battery tray (mounting table), 7...Battery tray, 1
1...Mount tower, 16...Adjustment member, 17
...Mount rubber.

Claims (1)

[Scope of utility model registration request] A mounting table provided between the body frame and the vehicle interior floor of an electric vehicle on which a battery is placed, and a lower end of which is attached to a part of the vehicle body frame near the mounting table to securely hold the battery on the vehicle body frame. a mount tower that is attached to the upper end of the mount tower via an adjustment member for adjusting its vertical position, and that comes into contact with the lower surface of the cabin floor to fix the cabin floor together with the mount tower to the vehicle body frame. A battery storage device for an electric vehicle, comprising a supporting mount rubber.