JP3050020B2 - Battery fixing structure for electric vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery fixing structure for an electric vehicle powered by a plurality of batteries.

[0002]

2. Description of the Related Art In an electric vehicle, a vehicle-mounted battery occupies a considerable weight and a mounting space. Therefore, conventionally, for example, as shown in Japanese Patent Application Laid-Open No. 5-208617, a battery is mounted on a lower side of a floor panel. A battery frame having a dedicated rigid structure is provided, a plurality of batteries are mounted on the battery frame, and the batteries are sealed and stored between the floor panel and the battery frame.

[0003]

Although the batteries are exclusively lifted by hand and mounted on the battery frame, these batteries are formed in a square shape, and the weight of each battery is large, so that the batteries are not held. Easily, it does not distort that much work is required for mounting work.

Accordingly, the present invention provides a battery fixing structure for an electric vehicle that can easily lift individual batteries without providing a special handle and that can be safely mounted on a battery frame. It is.

[0005]

Means for Solving the Problems A plurality of batteries are arranged on a battery frame, another belt is laid over each battery on the upper surface of the plurality of batteries, and these belts are connected between adjacent batteries. It is a structure that is fastened and fixed on the bottom wall of the battery frame, and when the belts are not fastened, each of the belts is attached to each battery so that each of the belts can be held as a handle. Each is pre-installed with a retaining cap.

[0006]

Since each of the batteries has a belt attached to the battery in advance, the belt is pulled out to the retaining position by gripping the belt, and a heavy battery can be easily lifted through the belt. Thus, individual batteries can be safely and quickly mounted on the battery frame without accidentally slipping hands.

After the batteries are mounted on the battery frame, the belt is returned to the original position, and the belt is fastened and fixed between the adjacent batteries on the bottom wall of the battery frame, whereby each of the batteries is connected to the battery frame. Can be firmly restrained on top.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows the entire structure of a vehicle body floor employing the structure of the present invention, wherein 1 is a floor panel, and 2 is a floor member which is joined to the lower surface of the floor panel 1 to form a floor frame. Side members 3, 3; a plurality of cross members 4, 5 connected across the side members 3, 3 and extending in the vehicle width direction;
Each skeletal member such as a gusset member 6 and the like is connected across the cross member 3 and the cross member 5.

Reference numeral 7 denotes a bottomed battery frame on which a plurality of batteries 8 are mounted, and a pair of side frames 9, 9;
A front frame 10 and a rear frame 11 are provided. The side frame 9, the front frame 10, and the rear frame 11 are attached to the corresponding side members 3, cross members 4, and cross members 5 and gusset members 6 of the floor member 2. And bolts and nuts (not shown).

[0011] Side frame 9, front frame 1
Each of the rear frame 11 and the rear frame 11 is formed in a closed cross section, and a reinforcing frame 13 having a low protruding height and separating the accommodating portions of the plurality of batteries 8 is provided on the bottom wall 12 in a lattice shape. The battery frame 7 has a rigid structure so as to sufficiently bear the load of the battery 8.

A plurality of batteries 8 are systematically mounted in the receiving portions separated by the grid-like reinforcing frame 13, and a separate belt 1 is provided on each battery 8 for each battery.
4 is fixed on the bottom wall 12 of the battery frame 7 by the belt 14.

Each of the belts 14 is attached to each of the batteries 8 so that each of the belts 14 can be used as a handle to suspend each of the batteries 8 when the belts 14 are not fastened.
Each of No. 4 was previously fitted with a stopper.

In this embodiment, as shown in FIG. 2, belt holes 16 penetrating from the upper surface to the front and rear surfaces are formed in the front and rear corners C on the upper side of the battery 8, and the belt holes Insert the end of the belt 14
A bracket 15 is fixed to the end of the belt 14, and the bracket 15 is engaged with the edge of the belt hole 14 to prevent the belt 14 from coming off.

Accordingly, each of the batteries 8 has a bracket 15 at the end of the belt 14 and a bolt / nut 17 on the surface of the reinforcing frame 13 between the front and rear adjacent batteries 8.
And is restrained on the bottom wall 12.

In this embodiment, the brackets 15 at the ends of the respective belts 14 of the front and rear batteries 8 and 8 are vertically overlapped and fastened and fixed to the reinforcing frame 13 by a set of bolts and nuts 17. .

In the center of the upper surface of each battery 8,
A recess 8a is formed so that a hand can be inserted under the belt 14 to easily grip the belt 14.

According to the structure of the above-described embodiment, when each of the batteries 8 is mounted on the battery frame 7, as shown in FIG. When the central portion is gripped and pulled up, the belt 14 is pulled out to the retaining position where the bracket 15 at the end engages with the edge of the belt hole 16 of the battery 8. The battery 8 can be easily lifted.

As described above, since the battery 8 can be lifted by gripping the belt 14, the conventional battery 8
Unlike the case of lifting by hand while holding the battery, there is no possibility of slipping the hand by mistake, and each of the batteries 8 can be safely and quickly transferred to the storage portion separated by the reinforcing frame 13 of the battery frame 7. It can be installed neatly.

After the battery 8 is mounted on the battery frame 7, the belt 14 is returned to the original position, and the bracket 15 at the end is fixed to the reinforcing frame 13 between the front and rear adjacent batteries 8 by the bolts and nuts 17. By fastening and fixing, each of the batteries 8 can be firmly restrained on the battery frame 7 by each belt 14.

In particular, the belt holes 1 formed in the front and rear corners C on the upper side of the battery 8 as in the present embodiment.
6, the belt 14 is restrained from shifting in the left-right direction. Therefore, even when inertia acts on the battery 8 in the vehicle width direction at the time of a side collision of the vehicle, the width of the battery 8 The displacement in the direction can be reliably restrained.

FIG. 4 shows a second embodiment of the present invention.
In this embodiment, instead of forming the belt hole 16 in the battery 8 and inserting the belt 14 through the belt hole 16, each of the batteries 8 is extended over the upper part thereof in the front-rear direction. Brackets 15 at both ends of belt 14
In addition, another belt 14 wrapping around the lower side of the battery 8
A is fixed to the belt 14A to prevent the belt 14 from coming off, and when the belts 14 are not fastened, the central portions of the belts 14 are gripped so that the individual batteries 8 can be suspended. is there.

[0023]

As described above, according to the present invention, a battery fixing belt is separately mounted on each of the batteries in advance so that it can be used as a hanging handle. When mounting the battery on top, each of the belts can be gripped as a handle to suspend each of the batteries, so that the battery can be easily lifted and mounted on the battery frame, and the hand can be accidentally slipped. The mounting work can be done safely and quickly.

After the battery is mounted, the belt is returned to its original position and its end is fastened and fixed on the bottom wall of the battery frame, so that each battery can be securely restrained by each belt, and the belt is Since the battery is sub-assembled, the work for fixing the battery can be performed quickly, and the workability can be improved.

In addition, since the belt can be effectively used as a handle as described above, there is no need to provide a dedicated handle on the battery, and there is a great practical effect that it can be obtained advantageously in terms of cost.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a floor structure employing a structure according to an embodiment of the present invention.

FIG. 2 is a schematic sectional explanatory view taken along the line AA of FIG. 1;

FIG. 3 is a schematic sectional explanatory view showing a state when the battery is suspended.

FIG. 4 is a schematic side view showing a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor panel 2 Floor member 7 Battery frame 8 Battery 12 Bottom wall 14 Belt

Claims (1)

(57) [Claims] 1. A plurality of batteries are arranged on a battery frame, and another belt is bridged for each battery above the plurality of batteries, and these belts are connected between adjacent batteries at the bottom of the battery frame. It is a structure that is fastened and fixed on the wall, and when these belts are not fastened, each of these belts is previously pulled out for each battery so that each of these belts can be hung as a handle. A battery fixing structure for an electric vehicle, wherein the battery is fixed.