CN216648421U

CN216648421U - Battery box for pure electric vehicle

Info

Publication number: CN216648421U
Application number: CN202122776642.9U
Authority: CN
Inventors: 周峰
Original assignee: Jiangsu Duke New Energy Automobile Co ltd
Current assignee: Jiangsu Duke New Energy Automobile Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-05-31
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to a battery box for pure electric vehicles, which comprises a box body, wherein the box body comprises an outer box and a supporting framework, the outer box comprises two box bodies which are spliced and fixed with each other, the supporting framework comprises a bottom plate, a supporting column and a top cover, the bottom plate is placed in the box body and is arranged in parallel with the top cover, a plurality of supporting columns are uniformly arranged between the bottom plate and the top cover, and two ends of the supporting column in the length direction are respectively connected to the bottom plate and the top cover; the bottom plate is provided with a plurality of first heat dissipation holes, and the inner side walls of the first heat dissipation holes are provided with cross rods; and the top cover is provided with a plurality of second heat dissipation holes. The power supply has the advantage of being beneficial to heat dissipation of the power supply.

Description

Battery box for pure electric vehicle

Technical Field

The application relates to the technical field of new energy automobile processing, in particular to a battery box for a pure electric vehicle.

Background

The pure electric vehicle is a vehicle which takes a vehicle-mounted power supply as power and drives wheels to run by using a motor, and meets various requirements specified by road traffic and safety laws; an electric vehicle is generally required to be provided with a battery box for installing a power supply.

The current chinese patent of No. CN211507709U for granted bulletin provides a battery box, box and case lid including the cuboid, the box includes the bottom plate and two long curb plates and two short curb plates of perpendicular to bottom plate respectively, be equipped with banding long fixed block and short fixed block on the bottom plate, long fixed block is parallel with long curb plate, short fixed block is parallel with short curb plate, keep away from the short curb plate of short fixed block, keep away from the long curb plate of long fixed block, be equipped with the backup pad that is on a parallel with the bottom plate in the region that short fixed block and long fixed block enclose, interval between backup pad and the bottom plate is less than the height of long fixed block and short fixed block.

In view of the above-mentioned related art, the battery is installed in the box, and long-time use is easily generated heat, causes the interior air temperature of box to rise, and the radiating effect is poor, so await improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve the relatively poor condition of battery box radiating effect, this application provides a battery box for on pure electric vehicle.

The application provides a battery box for on electricelectric motor car adopts following technical scheme:

a battery box for a pure electric vehicle comprises a box body, wherein the box body comprises an outer box and a supporting framework, the outer box comprises two box bodies which are spliced and fixed with each other, the supporting framework comprises a bottom plate, supporting columns and a top cover, the bottom plate is placed in the box bodies and is arranged in parallel with the top cover, a plurality of supporting columns are uniformly arranged between the bottom plate and the top cover, and two ends of the supporting columns in the length direction are respectively connected to the bottom plate and the top cover; the bottom plate is provided with a plurality of first heat dissipation holes, and the inner side walls of the first heat dissipation holes are provided with cross rods; and the top cover is provided with a plurality of second heat dissipation holes.

Through adopting above-mentioned technical scheme, the power is placed between bottom plate and top cap, has seted up first louvre on the bottom plate, has seted up the second louvre on the top cap, and the heat that produces in the power working process is through the space effluvium between first louvre, second louvre and the support column.

Preferably, the openings of the two box bodies are respectively provided with a lap edge, and the two lap edges are mutually attached and fixedly connected through a bolt.

Through adopting above-mentioned technical scheme, when the installation, two scrap (bridge) are laminated each other, and it is fixed firm with the roof beam scrap (bridge) through the bolt, and then fix two box bodys firmly, are convenient for install the box body.

Preferably, one of the overlapping edges is provided with a positioning pin, and the other overlapping edge is provided with a positioning hole for inserting the positioning pin.

Through adopting above-mentioned technical scheme, at the in-process of installation box body, the mutual lock of two box bodies for the locating pin inserts in the locating hole, fixes the box body in advance, thereby is convenient for the installation of bolt.

Preferably, bottom plate fixed connection is in the support column, the top cap is slided and is connected in the support column, set up on the top cap and supply support column male hole that slides, the one end threaded connection that the bottom plate direction was kept away from to the support column has lock nut.

Through adopting above-mentioned technical scheme, top cap swing joint is in the support column to lock the top cap on the power through lock nut, thereby press from both sides the power tight, the mounting means is simple convenient, makes things convenient for staff's operation.

Preferably, a gasket is arranged on one side of the bottom plate and the top plate close to each other.

Through adopting above-mentioned technical scheme, the gasket separates top cap, bottom plate and power each other to be favorable to the heat dissipation of power.

Preferably, the gasket is made of foam plastic.

By adopting the technical scheme, the foam plastic has the characteristics of light weight, heat insulation, sound absorption, shock absorption and the like.

Preferably, a cavity is arranged in the box body, and an aluminum honeycomb plate is arranged in the cavity.

Through adopting above-mentioned technical scheme, being provided with of aluminium honeycomb panel does benefit to the overall structure intensity that improves this application for this application structure lightweight.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the power supply is placed between the bottom plate and the top cover, a first heat dissipation hole is formed in the bottom plate, a second heat dissipation hole is formed in the top cover, and heat generated in the working process of the power supply is dissipated through gaps among the first heat dissipation hole, the second heat dissipation hole and the support columns;

2. this application stable in structure, the quality is lighter, installs on the electric motor car, and is less to the whole installation pressure that causes of electric motor car.

Drawings

Fig. 1 is a schematic overall structure diagram of a battery box for a pure electric vehicle according to an embodiment of the present application.

Fig. 2 is a disassembled schematic diagram for embodying the box structure in the embodiment of the present application.

Fig. 3 is a disassembled schematic view for embodying the box body connecting structure in the embodiment of the present application.

Fig. 4 is a disassembled schematic view for embodying the supporting skeleton structure in the embodiment of the present application.

Description of reference numerals: 1. an outer box; 11. a box body; 111. lapping; 1111. positioning pins; 1112. positioning holes; 112. a cavity; 113. an aluminum honeycomb panel; 2. a support framework; 21. a base plate; 211. a first heat dissipation hole; 2111. a cross bar; 22. a support pillar; 221. locking the nut; 23. a top cover; 231. a second heat dissipation hole; 3. and (6) a gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a battery box for a pure electric vehicle. Referring to fig. 1 and 2, the battery box includes outer container 1 and supporting framework 2, and outer container 1 includes two aluminum alloy box bodies 11 that splice each other fixedly, and the lateral wall integrated into one piece of two box bodies 11 has overlap 111 of laminating each other, and two overlap 111 pass through bolt fixed connection to make two box bodies 11 reciprocal anchorages. The cavity 112 is formed in the box body 11, the aluminum honeycomb plate 113 is arranged in the cavity 112 in a plugging mode, and the arrangement of the aluminum honeycomb plate 113 is favorable for improving the overall structural strength of the box body 11.

Referring to fig. 3, at least four positioning pins 1111 are welded to one of the laps 111, the four positioning pins 1111 are respectively located at four top corners of the laps 111, and a positioning hole 1112 into which the positioning pin 1111 is inserted is formed in the other lap 111. In the installation process, the positioning pin 1111 is inserted into the positioning hole 1112 to pre-fix the two overlap edges 111, so that the bolt can be conveniently installed, and the installation efficiency can be improved.

Referring to fig. 4, the supporting framework 2 is used for installing a power supply and comprises an aluminum alloy bottom plate 21, aluminum alloy supporting columns 22 and an aluminum alloy top cover 23, the bottom plate 21 is placed in the box body 11 below, at least four supporting columns 22 are uniformly welded along the circumferential direction of the bottom plate 21, the top cover 23 is arranged on the supporting columns 22 in a sliding mode, sliding holes for the supporting columns 22 to insert are formed in the top cover 23, and one ends, far away from the direction of the bottom plate 21, of the supporting columns 22 are connected with locking nuts 221 through bolts; the power source is placed on the base plate 21, the top cover 23 is placed over the power source, and the top cover 23 is locked by the locking nut 221.

Referring to fig. 4, a plurality of first heat dissipation holes 211 are uniformly formed in the bottom plate 21, and cross bars 2111 are welded in the first heat dissipation holes 211; the top cover 23 is uniformly provided with second heat dissipation holes 231; the gasket 3 is adhered to one side of the bottom plate 21 and one side of the top plate close to each other, the gasket 3 is made of foam plastic, the bottom plate 21, the top cover 23 and the power supply are separated through the foam plastic, and heat dissipation of the power supply is facilitated.

The implementation principle of the battery box used on the pure electric vehicle is as follows: in the application, a power supply is placed on the bottom plate 21, and the top cover 23 is pressed on the power supply through a locking bolt, so that the power supply is fixed; then, the supporting framework 2 is placed in one of the box bodies 11, the other box body 11 is buckled on the box body 11, so that the positioning pin 1111 is inserted into the positioning hole 1112, and the two box bodies 11 are fixed firmly through bolts.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a battery box for on electricelectric motor car, includes the box, its characterized in that: the box body comprises an outer box (1) and a supporting framework (2), the outer box (1) comprises two box bodies (11) which are spliced and fixed with each other, the supporting framework (2) comprises a bottom plate (21), supporting columns (22) and a top cover (23), the bottom plate (21) is placed in the box bodies (11) and is parallel to the top cover (23), the supporting columns (22) are uniformly arranged between the bottom plate (21) and the top cover (23), and two ends of the supporting columns (22) in the length direction are respectively connected to the bottom plate (21) and the top cover (23); a plurality of first heat dissipation holes (211) are formed in the bottom plate (21), and cross rods (2111) are arranged on the inner side walls of the first heat dissipation holes (211); the top cover (23) is provided with a plurality of second heat dissipation holes (231).

2. The battery box for the pure electric vehicle as claimed in claim 1, wherein: the opening of two box body (11) is provided with overlap (111) respectively, two overlap (111) laminate each other and pass through bolt fixed connection.

3. The battery box for the pure electric vehicle as claimed in claim 2, wherein: one of the lap edges (111) is provided with a positioning pin (1111), and the other lap edge (111) is provided with a positioning hole (1112) for inserting the positioning pin (1111).

4. The battery box for the pure electric vehicle as claimed in claim 1, wherein: bottom plate (21) fixed connection is in support column (22), top cap (23) slide and connect in support column (22), set up on top cap (23) and supply support column (22) male hole of sliding, the one end threaded connection that bottom plate (21) direction was kept away from in support column (22) has lock nut (221).

5. The battery box for the pure electric vehicle as claimed in claim 1, wherein: and a gasket (3) is arranged on one side of the bottom plate (21) and the top plate which are close to each other in the opposite direction.

6. The battery box for the pure electric vehicle as claimed in claim 5, wherein: the gasket (3) is made of foam plastic.

7. The battery box for the pure electric vehicle as claimed in claim 1, wherein: a cavity (112) is arranged in the box body (11), and an aluminum honeycomb plate (113) is arranged in the cavity (112).