CN209071387U - The lower case and battery pack of battery pack - Google Patents
The lower case and battery pack of battery pack Download PDFInfo
- Publication number
- CN209071387U CN209071387U CN201822270848.2U CN201822270848U CN209071387U CN 209071387 U CN209071387 U CN 209071387U CN 201822270848 U CN201822270848 U CN 201822270848U CN 209071387 U CN209071387 U CN 209071387U
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- CN
- China
- Prior art keywords
- battery pack
- lower case
- reinforcing rib
- bottom plate
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides the lower case and battery pack of a kind of battery pack, and the lower case of battery pack includes: mounting rail, side wall, bottom plate and reinforcing rib, and the side wall is fixedly connected with the mounting rail and surrounds closed-loop；The bottom plate is all connected with the mounting rail, the side wall, and the area of the bottom plate is more than or equal to the area of the closed-loop；The reinforcing rib is set to the lower surface of the bottom plate.Thus, by the way that reinforcing rib is arranged, it can be improved battery pack and resist the ability being squeezed and deformed, the ability that battery pack resists various complex working conditions can effectively be promoted, so as to promote the security feature of battery pack, also, the structure of the lower case three is simple, manufacture craft is convenient, can promote the production efficiency of lower case.
Description
Technical field
The utility model relates to battery technology field, in particular to the lower case of a kind of battery pack and have the battery pack
Lower case battery pack.
Background technique
Automobile in the process of moving, can encounter various road surface operating conditions, in order to improve electric car in driving process
In safety, each state is all directed to battery pack and proposes a series of security legislations, to guarantee the safety of electric vehicle in driving process.
In order to meet the needs of security feature, electric car must reinforce the structural strength of battery pack in the design process, meet electronic
The requirement of various complex working conditions in vehicle driving process.
In the related technology, the lower case of battery pack is the important component of battery pack, the Structural Design of Bedplate of lower case
In the process, it there are many design problems, is mainly reflected in that battery pack security feature cannot be met while the increase of whole packet quality
Demand is unable to satisfy the demand of battery pack anti-extrusion deformation.
Utility model content
In view of this, the utility model is directed to a kind of lower case of battery pack, extruding change is resisted to solve battery pack
The problem of shape ability difference.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of lower case of battery pack includes: mounting rail, side wall, bottom plate and reinforcing rib, the side wall and the mounting rail
It is fixedly connected and surrounds closed-loop；The bottom plate is all connected with the mounting rail, the side wall, and the area of the bottom plate is more than or equal to
The area of the closed-loop；The reinforcing rib is set to the lower surface of the bottom plate.
In some examples of the utility model, the reinforcing rib is arranged along the front-rear direction of the bottom plate.
In some examples of the utility model, the reinforcing rib be it is multiple, multiple reinforcing ribs are spaced apart, and multiple
The reinforcing rib is symmetrically disposed in the two sides of the bottom plate central axes.
In some examples of the utility model, the section of the reinforcing rib is set as rectangle, and the reinforcing rib is hollow
Structure.
In some examples of the utility model, the reinforcing rib is configured to " day " font.
In some examples of the utility model, the reinforcing rib is configured to " mesh " font.
In some examples of the utility model, the reinforcing rib is integrally formed part.
In some examples of the utility model, the mounting rail passes through with the bottom plate, the side wall and the bottom plate
MIG welds together.
In some examples of the utility model, the side wall is welded together with the mounting rail by seam weld.
Compared with the existing technology, the lower case of battery pack described in the utility model has the advantage that
The lower case of battery pack according to the present utility model can be improved battery pack and resist extruding by the way that reinforcing rib is arranged
The ability of deformation can effectively promote the ability that battery pack resists various complex working conditions, so as to promote the safety of battery pack
Characteristic, also, the structure of the lower case three is simple, manufacture craft is convenient, can promote the production efficiency of lower case.
The another object of the utility model is to propose a kind of battery pack.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of battery pack, the lower case including above-mentioned battery pack
Possessed advantage is identical compared with the existing technology with the lower case of above-mentioned battery pack for the battery pack, herein no longer
It repeats.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the bottom view of lower case described in the utility model embodiment；
Fig. 2 is another angle schematic diagram of lower case described in the utility model embodiment；
Fig. 3 is the sectional view of lower case described in the utility model embodiment.
Description of symbols:
Lower case 10；
Mounting rail 1；Side wall 2；Bottom plate 3；Reinforcing rib 4.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It as shown in Figure 1-Figure 3, include: mounting rail 1, side wall according to the lower case 10 of the battery pack of the utility model embodiment
2, bottom plate 3 and reinforcing rib 4.Side wall 2 is fixedly connected with mounting rail 1 and surrounds closed-loop, and bottom plate 3 is all connected with mounting rail 1, side wall 2,
The area of bottom plate 3 is more than or equal to the area of closed-loop, and reinforcing rib 4 can be set in the lower surface of bottom plate 3.
Also, bottom plate 3 and reinforcing rib 4 can integrally squeeze out structure using aluminum profile, wherein when battery pack is by vertical side
To extruding when, the stress at first of bottom plate 3, then power reaches the battery modules inside battery pack by bottom plate 3, passes through setting reinforcing rib
4 structures effectively can bear vertical direction bring extruding force by buffer battery packet, can be promoted between bottom plate 3 and battery modules
Safe distance guarantees that due to being squeezed explosion on fire will not occur for battery modules, when battery pack is touched by length direction
When hitting, extruding force can act directly on the side wall 2 of battery pack, and this 4 structure of reinforcing rib can effectively promote it in length direction
Bearing capacity, can be directly affected so as to prevent from being expressed to electrical part inside battery pack to avoid battery pack stress overloading
The normal use of battery pack.
As a result, by setting reinforcing rib 4, the strength and stiffness of bottom plate 3 are able to ascend, battery pack can be improved and resist extruding
The ability of deformation so as to effectively promote the ability that battery pack resists various complex working conditions, and then can promote battery pack
Security feature, also, the structure of the lower case 10 3 is simple, manufacture craft is convenient, can promote the production efficiency of lower case 10.
In some embodiments of the utility model, reinforcing rib 4 can be arranged along the front-rear direction of bottom plate 3, be arranged such
The stiffness and strength of battery pack length direction can be enhanced, be also able to ascend the anti-extrusion ability of vertical direction of battery pack, it can be with
It prevents the quality of battery pack from increasing, so as to save the arrangement space of battery pack, and then battery pack space and property can be made
It can maximize.
In some embodiments of the utility model, reinforcing rib 4 can be set to multiple, and multiple reinforcing ribs 4 can be spaced
It opens up and sets, and multiple reinforcing ribs 4 are symmetrically disposed in the two sides of 3 central axes of bottom plate, setting in this way can make the cloth of reinforcing rib 4
It sets more rationally, it is ensured that the stiffness and strength of bottom plate 3, so as to reduce the deflection of bottom plate 3.
In some embodiments of the utility model, the section of reinforcing rib 4 can be set to rectangle, and reinforcing rib 4 can be set
It is set to hollow structure, the weight that can reduce reinforcing rib 4 is arranged such, the more lightweight of lower case 10 can be made, so as to
The market competitiveness of battery pack is promoted, also, can also reduce the manufacture material of lower case 10, the system of lower case 10 can be reduced
Cause this.
In some embodiments of the utility model, reinforcing rib 4 is realizing battery pack light weight it is so structured that " day " font
Under the premise of change, setting can guarantee the structural strength of reinforcing rib 4 in this way, can promote the ability of 4 resistance to deformation of reinforcing rib, from
And it can further promote the safety in utilization of battery pack.
In some embodiments of the utility model, reinforcing rib 4 is realizing battery pack light weight it is so structured that " mesh " font
Under the premise of change, setting can be further ensured that the structural strength of reinforcing rib 4 in this way, can further promote the resistance of reinforcing rib 4
The ability of deformation, so as to further promote the safety in utilization of battery pack.
In some embodiments of the utility model, the part that is integrally formed is can be set in reinforcing rib 4, is integrally formed the knot of part
Structure intensity is big, it is not easy to and it damages, the stiffness and strength for being able to ascend reinforcing rib 4 is arranged such, can prevent reinforcing rib 4 from cracking,
So as to extend the service life of reinforcing rib 4.
In some embodiments of the utility model, mounting rail 1 and bottom plate 3, side wall 2 and bottom plate 3 pass through MIG
(MetalInert-Gaswelding- welding) welds together, wherein the welding quality of MIG weldering
Good, setting in this way can reliably weld together mounting rail 1 with bottom plate 3, side wall 2 and bottom plate 3, can prevent mounting rail 1
It cracks with the junction of bottom plate 3, side wall 2 and bottom plate 3, thereby may be ensured that the functional reliability of battery pack.
In some embodiments of the utility model, side wall 2 can be welded together with mounting rail 1 by seam weld, wherein
Seam weld soldering reliability is good, and the welding quality that can guarantee side wall 2 Yu mounting rail 1 is arranged such, it is ensured that side wall 2 and installation
The junction of beam 1 is not cracked, and thereby may be ensured that the structural strength of battery pack.
According to the battery pack of the utility model embodiment, the lower case 10 including above-described embodiment, the setting peace of lower case 10
In battery pack, which can be improved battery pack and resists the ability being squeezed and deformed, and can effectively promote battery pack and support
Resist the ability of various complex working conditions, so as to promote the security feature of battery pack, also, the structure letter of the lower case 10 3
Single, manufacture craft conveniently, can promote the production efficiency of lower case 10.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of lower case of battery pack (10) characterized by comprising
Mounting rail (1)；
Side wall (2), the side wall (2) is fixedly connected with the mounting rail (1) surrounds closed-loop；
Bottom plate (3), the bottom plate (3) are all connected with the mounting rail (1), the side wall (2), and the area of the bottom plate (3) is big
In the area for being equal to the closed-loop；
Reinforcing rib (4), the reinforcing rib (4) are set to the lower surface of the bottom plate (3).
2. the lower case (10) of battery pack according to claim 1, which is characterized in that the reinforcing rib (4) is along the bottom
The front-rear direction of plate (3) is arranged.
3. the lower case (10) of battery pack according to claim 2, which is characterized in that the reinforcing rib (4) be it is multiple, it is more
A reinforcing rib (4) is spaced apart, and multiple reinforcing ribs (4) are symmetrically disposed in the two sides of the bottom plate (3) central axes.
4. the lower case (10) of battery pack according to claim 2, which is characterized in that the section of the reinforcing rib (4) is set
It is set to rectangle, the reinforcing rib (4) is hollow structure.
5. the lower case (10) of battery pack according to claim 4, which is characterized in that the reinforcing rib (4) is configured to
" day " font.
6. the lower case (10) of battery pack according to claim 4, which is characterized in that the reinforcing rib (4) is configured to
" mesh " font.
7. the lower case (10) of battery pack according to claim 4, which is characterized in that the reinforcing rib (4) is integrated into
Type part.
8. the lower case (10) of battery pack according to claim 1, which is characterized in that the mounting rail (1) and the bottom
Plate (3), the side wall (2) are welded together with the bottom plate (3) by MIG.
9. the lower case (10) of battery pack according to claim 1, which is characterized in that the side wall (2) and the installation
Beam (1) is welded together by seam weld.
10. a kind of battery pack, which is characterized in that the lower case (10) including battery pack of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822270848.2U CN209071387U (en) | 2018-12-29 | 2018-12-29 | The lower case and battery pack of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822270848.2U CN209071387U (en) | 2018-12-29 | 2018-12-29 | The lower case and battery pack of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209071387U true CN209071387U (en) | 2019-07-05 |
Family
ID=67102476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822270848.2U Active CN209071387U (en) | 2018-12-29 | 2018-12-29 | The lower case and battery pack of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209071387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259810A (en) * | 2020-10-24 | 2021-01-22 | 江西美特芯新能源有限公司 | High-capacity high-cycle-performance high-safety lithium-ion aluminum-shell power battery |
-
2018
- 2018-12-29 CN CN201822270848.2U patent/CN209071387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259810A (en) * | 2020-10-24 | 2021-01-22 | 江西美特芯新能源有限公司 | High-capacity high-cycle-performance high-safety lithium-ion aluminum-shell power battery |
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