CN214728134U

CN214728134U - Detachable power battery tray

Info

Publication number: CN214728134U
Application number: CN202120722351.9U
Authority: CN
Inventors: 朱立中; 魏聪; 刘东亮
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-16
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a detachable power battery tray, which comprises a tray body, a plurality of fixed blocks and hangers, wherein the plurality of fixed blocks are fixed on the outer side surface of the tray body, and the hangers capable of being detached are fixed on the fixed blocks; one side of the fixing block far away from the tray body is provided with a groove, and one side of the hanging lug close to the fixing block is provided with a lug matched with the groove. The utility model has the advantages of, what hangers on this battery tray can be dismantled fixes on tray body to the hangers that can change different models matches different electric automobile's whole chassis, improves the adaptability of this battery tray, and through lug and recess joint cooperation, realizes fixing the location of fixed block, can confirm the position of fixed block fast and fix, improves the assembly efficiency of this battery tray.

Description

Detachable power battery tray

Technical Field

The utility model relates to a power battery technical field specifically is a detachable power battery tray.

Background

With the continuous development of new energy automobiles, the requirements on the installation and safety performance of power batteries in the new energy automobiles are higher and higher; especially, how to install the power battery on the automobile, and simultaneously, the safety performance of the power battery in the using process and the response to some special problems can be considered, which is a difficult problem of hindering the development of new energy automobiles. In new energy vehicles, a common method currently adopted is to mount a power battery (module or module) on a tray; the space is saved, the weight of the power battery can be concentrated at the bottom of the automobile, and the stability of the automobile is improved; meanwhile, the bottom of the tray can be cooled by natural wind in the running process of the automobile through the exposed characteristic of the bottom of the tray, and therefore the power battery arranged on the tray is cooled. The tray is used as a core structure bearing part of the electric automobile, and the structure of the tray determines the endurance and safety performance of the electric automobile. At present, the structure of many power battery trays is more complicated, and the suitability is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in how to improve the adaptability of power battery tray.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a detachable power battery tray, includes tray body, fixed block and hangers, the lateral surface of tray body is fixed with a plurality of fixed blocks, be fixed with the hangers that can dismantle on the fixed block.

One side of the fixing block far away from the tray body is provided with a groove, and one side of the hanging lug close to the fixing block is provided with a lug matched with the groove.

The hangers on this battery tray can be dismantled fix on the tray body to the hangers that can change different models matches different electric automobile's whole chassis, improves this battery tray's adaptability, and through lug and recess joint cooperation, realizes the location to the fixed block, can confirm the position of fixed block fast and fix, improves this battery tray's assembly efficiency.

Preferably, the tray body includes bottom plate, side frame and crossbeam, the bottom plate is fixed with the side frame all around, the fixed block is fixed on the side frame outer wall, the inside crossbeam that is fixed with a plurality of parallels of side frame, the bottom of crossbeam is fixed on the bottom plate.

Preferably, the bottom plate, the side frames and the cross beam are all aluminum alloy extruded sections.

Preferably, the side frames are welded and fixed on the bottom plate through friction stir welding, and the cross beam is welded and fixed with the bottom plate and the side frames through shielded welding.

Preferably, the cross-sectional shape of the bottom plate is a structure like a Chinese character 'ri'.

Preferably, the cross-sectional shapes of the side frames and the cross beam are in a square structure.

Preferably, the length of the groove is the same as the length of the bump.

Preferably, the fixed block is welded and fixed on the outer side of the tray body.

Preferably, the hanging lug is fixed on the fixing block through a screw.

Preferably, be equipped with a plurality of first screw holes on the fixed block, be equipped with the second screw hole coaxial with first screw hole on the hangers, the screw runs through the second screw hole and stretches into first screw hole and fixes the hangers on the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that:

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing block in an embodiment of the present invention;

FIG. 3 is a schematic structural view of a hanger according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a bottom plate according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a cross beam according to an embodiment of the present invention.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 5, the embodiment discloses a detachable power battery tray, including tray body 1, fixed block 2 and hangers 3, the lateral surface welded fastening of tray body 1 has a plurality of fixed blocks 2, be fixed with the hangers 3 that can dismantle on the fixed block 2.

Keep away from one side of tray body 1 on fixed block 2 and be equipped with recess 21, one side that hangers 3 are close to fixed block 2 is equipped with recess 21 complex lug 31, through lug 31 and the cooperation of recess 21 joint, realizes the location to fixed block 2, can fix fast the position of fixed block 2.

The hangers 3 on this battery tray can be dismantled fix on tray body 1 to the hangers 3 that can change different models match different electric automobile's whole chassis, improve this battery tray's suitability, and through lug 31 and recess 21 joint cooperation, realize fixing the location of fixed block 2, can confirm the position of fixed block 2 fast and fix, improve this battery tray's assembly efficiency.

Tray body 1 includes bottom plate 11, side frame 12 and crossbeam 13, bottom plate 11 is fixed with side frame 12 all around, fixed block 2 is fixed on side frame 12 outer wall, two parallel framework inner walls are fixed with a plurality of parallel crossbeams 13 on the side frame 12, the bottom of crossbeam 13 is still fixed on bottom plate 11.

Further, the bottom plate 11, the side frames 12 and the cross beam 13 are all aluminum alloy extruded sections, the cross section of the bottom plate 11 is in a structure shaped like a Chinese character 'ri', the cross section of the side frames 12 and the cross beam 13 is in a structure shaped like a Chinese character 'kou', and the structural rigidity of the tray body 1 is improved on the premise of maximally reducing the weight.

Still further, side frame 12 passes through friction stir welding welded fastening on bottom plate 11, crossbeam 13 passes through protection welding and bottom plate 11 and side frame 12 welded fastening, and its weldment intensity is high, sealing performance is good, and bottom plate 11, side frame 12 and crossbeam 13 constitute cage type structure, can effectively promote the mode of this battery tray, make battery system carry on whole car and have high structural reliability nature and security under complicated road conditions, reduce the whole car and receive the mechanical impact that causes the battery system under the external collision.

The hangers 3 are fixed on the fixing block 2 through screws (not marked in the figure), specifically, be equipped with a plurality of first screw holes 22 on the fixing block 2, be equipped with on the hangers 3 with the coaxial second screw hole 32 of first screw hole 22, the screw runs through second screw hole 32 and stretches into first screw hole 22 and fixes hangers 3 on the fixing block 2.

Further, the length of the groove 21 is the same as that of the projection 31, and after the hanging lug 3 is hung on the fixing block 2, the projection 31 and the groove 21 can be quickly positioned only by being aligned, so that the assembly efficiency of the battery tray is further improved.

The utility model discloses an assembly process as follows: weld fixed block 2 in the outside of side frame 12 earlier, then pass through friction stir welding welded fastening with side frame 12 at bottom plate 11 and crossbeam 13 through shielded welding and bottom plate 11 and side frame 12 welded fastening, then hang the lug 31 on hangers 3 and establish on recess 21 on fixed block 2, and make lug 31 align with recess 21 and can fix a position hangers 3 fast, run through second screw hole 32 and stretch into first screw hole 22 through the screw at last and fix hangers 3 on fixed block 2, accomplish the installation of this battery tray.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. The utility model provides a detachable power battery tray which characterized in that: the tray comprises a tray body, a plurality of fixing blocks and hanging lugs, wherein the fixing blocks are fixed on the outer side surface of the tray body, and the hanging lugs capable of being detached are fixed on the fixing blocks;

2. The detachable power battery tray as claimed in claim 1, wherein: the tray body comprises a bottom plate, side frames and cross beams, the side frames are fixed on the periphery of the bottom plate, the fixing blocks are fixed on the outer walls of the side frames, a plurality of parallel cross beams are fixed inside the side frames, and the bottoms of the cross beams are fixed on the bottom plate.

3. The detachable power battery tray as claimed in claim 2, wherein: the bottom plate, the side frames and the cross beam are all aluminum alloy extruded sections.

4. The detachable power battery tray as claimed in claim 2, wherein: the side frames are welded and fixed on the bottom plate through friction stir welding, and the cross beam is welded and fixed with the bottom plate and the side frames through shielded welding.

5. The detachable power battery tray as claimed in claim 2, wherein: the cross section of the bottom plate is in a structure like a Chinese character 'ri'.

6. The detachable power battery tray as claimed in claim 2, wherein: the cross sections of the side frames and the cross beams are in a square structure.

7. The detachable power battery tray as claimed in claim 1, wherein: the length of the groove is the same as that of the bump.

8. The detachable power battery tray as claimed in claim 1, wherein: the fixed block is welded and fixed on the outer side of the tray body.

9. The detachable power battery tray as claimed in claim 1, wherein: the hanging lugs are fixed on the fixing blocks through screws.

10. The detachable power battery tray of claim 9, wherein: the fixing block is provided with a plurality of first threaded holes, the hanging lug is provided with a second threaded hole coaxial with the first threaded hole, and the screw penetrates through the second threaded hole and extends into the first threaded hole to fix the hanging lug on the fixing block.