CN216872149U

CN216872149U - Lithium battery box

Info

Publication number: CN216872149U
Application number: CN202123299964.5U
Authority: CN
Inventors: 王文雨; 张爱辉; 黄波
Original assignee: Suzhou Xuqiu Automobile Technology Co ltd
Current assignee: Suzhou Xuqiu Automobile Technology Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-07-01
Anticipated expiration: 2031-12-25

Abstract

The utility model discloses a lithium battery box which comprises an upper box body, a lower box body and a mounting support, wherein an opening of the upper box body is opposite to an opening of the lower box body and is fixed through bolts, the mounting support is fixed with the lower box body, the mounting support comprises at least three left support bodies fixed on one side of the lower box body, right support bodies, a plurality of supporting plates and at least two reinforcing strips, the number of the right support bodies is equal to that of the left support bodies, the right support bodies are correspondingly fixed on the other side of the lower box body, the supporting plates are fixed at the bottom of the lower box body, the reinforcing strips are fixed at the bottom of the lower box body, two ends of each supporting plate are respectively connected with the left support body and the right support body, which are symmetrical, and the reinforcing strips are perpendicular to the supporting plates. The battery box is convenient to carry and fix by arranging the mounting bracket; the layer board of installing support, layer board both ends are connected with the left socle body of symmetry, right branch frame body respectively, increase the stability of being connected of installing support and lower box.

Description

Lithium battery box

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a lithium battery box.

Background

CN105742541A discloses a battery box, including box, battery module and heater, the battery module sets up in the box and with one side of box contacts, the heater corresponds the battery module with the one side that the box contacted sets up the outside of box. The battery box that this application provided need not to carry out electrical connection and occupy the inner space of battery box at the battery box inside through setting up the heater in the box outside, has simplified the assembly complexity of the inside battery module of battery box. There are disadvantages in that: the battery box is inconvenient to carry and fix.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the existing battery box is inconvenient to carry and fix, and provides a lithium battery box.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a lithium battery box, includes box, lower box and installing support, the opening of going up the box with the opening of box is relative and pass through the bolt fastening down, the installing support with the box is fixed down, the installing support is including fixing down at least three left socle body of box one side, correspond to fix down the box opposite side with the right branch frame body that left socle body quantity equals, fix a plurality of layer boards of bottom half and fix two at least enhancement strips of bottom half down, the layer board both ends respectively with the left socle body of symmetry, right branch frame body coupling, strengthen the strip with the layer board is perpendicular.

The lower box body comprises a bottom plate, two end plates and two side plates, wherein the two end plates are vertically fixed to the two ends of the bottom plate, the two side plates are vertically fixed to the two sides of the bottom plate, at least three inserting ports are formed in one end plate, and inserting pieces are installed in the inserting ports.

The supporting plate and the bottom plate of the lower box body are fixed through bolts.

The left support body and the right support body are correspondingly fixed on the surfaces of the two side plates.

The reinforcing strips are connected with the bottom plate through bolts.

The edge of the upper box body extends outwards to form an upper flange, the edge of the lower box body extends outwards to form a lower flange, and the upper flange is aligned with the lower flange and fastened through bolts.

The left socle body right branch frame body all includes horizontal roof, vertical fixation in the backup pad of roof both sides and vertical fixation are in the inner connecting plate of roof, the connecting plate with lower box welded fastening.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: the battery box is convenient to carry and fix by arranging the mounting bracket; the layer board of installing support, layer board both ends respectively with this body coupling of left socle body, the right branch frame of symmetry, the bottom plate of box passes through the bolt fastening under the layer board, so sets up, increases the installing support and the steadiness of being connected of lower box.

Drawings

FIG. 1 is a schematic view of a lithium battery case according to the present invention;

fig. 2 is a top view of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention is a lithium battery box, including an upper box 10, a lower box 20, and a mounting bracket 30, wherein an opening of the upper box 10 is opposite to an opening of the lower box 20 and is fixed by a bolt, the upper box 10 and the lower box 20 enclose an accommodation cavity (not indicated) for fixing a lithium battery pack, and the mounting bracket 30 is fixed to the lower box 20 and is connected to a vehicle body assembly.

Referring to fig. 1 and 2, an upper flange 11 is formed to extend outward from the edge of the upper casing 10, and a lower flange 21 is formed to extend outward from the edge of the lower casing 20, and the upper flange 11 is aligned with the lower flange 21 and fastened by bolts. The upper box body 10 is formed by bending and welding cold-rolled steel plates, and the material thickness can be selected according to different cost performance grades.

Referring to fig. 1, the lower case 22 includes a bottom plate 221, two end plates 222 vertically fixed to two ends of the bottom plate 221, and two side plates 223 vertically fixed to two sides of the bottom plate 221, wherein at least 3 insertion ports 224 are provided on one end plate 222, and an insertion member 225 is installed in the insertion port 224 for electrically connecting with the outside. The lower case 20 is formed by bending and welding cold-rolled steel plates.

Referring to fig. 2, the mounting bracket 30 includes at least 3 left bracket bodies 31 fixing one side of the lower case 20 and right bracket bodies 32 corresponding to the left bracket bodies 31 and fixed to the other side of the lower case 20 in the same number. The left bracket body 31 and the right bracket body 32 both comprise a horizontal top plate 311, support plates 312 vertically fixed on both sides of the top plate 311, and a connecting plate 313 vertically fixed on the inner end of the top plate 311, and the connecting plate 313 is welded and fixed with the lower box 20.

Specifically, the left bracket body 31 and the right bracket body 32 are correspondingly fixed on the surfaces of the two side plates 223.

Referring to fig. 1, the mounting bracket 30 further includes a plurality of support plates 33 fixed on the bottom plate 221 of the lower case 20, two ends of each support plate 33 are respectively connected to the left support body 31 and the right support body 32 which are symmetrical, and the support plates 33 are fixed to the bottom plate 221 of the lower case 22 through bolts, so that the connection stability between the mounting bracket 30 and the lower case 20 is improved.

In this embodiment, the number of the left bracket bodies 31 is 3, and the number of the support plates 33 is equal to that of the left bracket bodies 31. The mounting bracket 30 further includes at least two reinforcing bars 34 fixed to the bottom plate 221 of the lower case 20, the reinforcing bars 34 being perpendicular to the support plate 33, the reinforcing bars 34 being bolted to the bottom plate 221.

The utility model has the advantages that: the upper box body 10, the lower box body 20 and the mounting bracket 30 are formed by bending and welding cold-rolled steel plates, so that the manufacturing process is simple and the cost is low; compared with an aluminum casting battery box body, the cold-rolled steel plate has good iteration performance, can be used for sequentially overlapping structures according to different performance requirements, and is wide in application; the supporting plate 33 of the mounting bracket 30 is arranged, two ends of the supporting plate 33 are respectively connected with the left bracket body 31 and the right bracket body 32 which are symmetrical, and the bottom plate 221 of the lower box body 22 of the supporting plate 33 is fixed through bolts, so that the connecting stability of the mounting bracket 30 and the lower box body 20 is improved; by providing the mounting bracket 30, it is convenient to carry and fix.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a lithium battery box, its characterized in that, includes box, lower box and installing support, the opening of going up the box with the opening of box is relative and pass through the bolt fastening down, the installing support with the box is fixed down, the installing support is including fixing down at least three left socle body, the correspondence of box one side are fixed down the box opposite side with the right branch frame body that left socle body quantity equals, fix a plurality of layer boards of bottom half and fixing the bottom half's at least two enhancement strips down, the layer board both ends respectively with the left socle body of symmetry, right branch frame body coupling, strengthen the strip with the layer board is perpendicular.

2. The lithium battery box as claimed in claim 1, wherein the lower box body comprises a bottom plate, two end plates vertically fixed to both ends of the bottom plate, and two side plates vertically fixed to both sides of the bottom plate, wherein at least three insertion ports are provided on one of the end plates, and the insertion ports are provided with insertion members therein.

3. The lithium battery pack as claimed in claim 2, wherein the support plate is fixed to the bottom plate of the lower case by bolts.

4. The lithium battery box as claimed in claim 3, wherein the left and right bracket bodies are fixed on the surfaces of the two side plates.

5. The lithium battery case as claimed in claim 4, wherein the reinforcing bars are connected to the base plate by bolts.

6. The lithium battery pack as claimed in claim 1, wherein an upper flange is formed to extend outward from a rim of the upper case, and a lower flange is formed to extend outward from a rim of the lower case, the upper flange being aligned with the lower flange and fastened thereto by bolts.

7. The lithium battery box as claimed in claim 1, wherein the left bracket body and the right bracket body each comprise a horizontal top plate, support plates vertically fixed on both sides of the top plate, and a connecting plate vertically fixed at an inner end of the top plate, and the connecting plate is welded and fixed with the lower box body.