CN216597826U - Battery box assembling structure - Google Patents
Battery box assembling structure Download PDFInfo
- Publication number
- CN216597826U CN216597826U CN202123111485.6U CN202123111485U CN216597826U CN 216597826 U CN216597826 U CN 216597826U CN 202123111485 U CN202123111485 U CN 202123111485U CN 216597826 U CN216597826 U CN 216597826U
- Authority
- CN
- China
- Prior art keywords
- battery case
- battery box
- battery
- upper cover
- assembling structure
- 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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Links
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000004512 die casting Methods 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000005266 casting Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of new energy battery boxes, and provides a battery box assembly structure which comprises a battery box upper cover, a battery pack, a battery box body and a battery box water-cooling plate, wherein the battery box body is integrally formed by die-casting, a cavity part with an upward opening and used for placing the battery pack is arranged on the inner side of the battery box body, and a plurality of avoiding grooves for connecting the battery box upper cover and the battery box water-cooling plate are formed in the outer side part of the battery box body. The utility model has the advantages that the integral die-casting box body is adopted, and then the groove structure is avoided skillfully, so that the integral structure of the battery box cavity is not damaged, the sealing property of the battery box is ensured, the welding process is reduced, the integral casting is realized, the effect is high, the weight of the whole battery box is lightened, the endurance is increased, the carbon emission is reduced, and the national carbon emission strategic requirements are met.
Description
Technical Field
The utility model belongs to the technical field of new energy battery boxes, and relates to a battery box assembly structure.
Background
The development of the lightweight of the electric new energy automobile provides challenges for connection technology, how to ensure the safety of a box body through the connection technology of lightweight materials is an important subject in the lightweight process of a battery box, the connection technology mainly used by the battery box at present mainly comprises a welding technology and a mechanical connection technology, the welding technology applied in the production of the battery box comprises TIG welding, MAG welding, friction stir welding and laser welding, but the welding easily generates heat cracks and air holes, the air holes are easily generated, the influence of the welding quality is large, the good sealing effect is difficult to achieve, the size precision of the battery box for welding the section bar is poor, the heat and the air holes are easily generated, the integration degree is not high through the welding of the section bar, and the labor cost is high. Too much welding process, hardly manage and control every department and can both satisfy mechanical properties and leakproofness, traditional mechanical connection because will drill the destruction battery case wholeness, so all need scribble sealed glue and guarantee the leakproofness, also have certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem and aims at the current situation of the prior art to provide a battery box assembly structure which does not damage the integrated structure of a battery box cavity, reduces welding processes, is integrally cast and has high efficiency, thereby ensuring the sealing property of the battery box.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a battery case assembly structure, includes battery case upper cover, battery package, battery case box and battery case water-cooling board, its characterized in that, the battery case box be integrative die-casting shaping, the cavity portion of battery case inboard for having the opening up and being used for placing the battery package is formed with the groove of dodging of a plurality of connection battery case upper cover and battery case water-cooling board in battery case box outside portion.
In the above battery box assembly structure, the avoiding groove is formed by recessing the battery box body, and the avoiding groove and the cavity part are not communicated with each other.
In the above battery case assembling structure, a stud head is formed at an upper portion of the avoiding groove, and the battery case upper cover is screwed with a hole of the stud head through the stud member.
In the above battery box assembly structure, the lower part of the avoiding groove is provided with a self-punching riveting connecting piece, and the water-cooling plate of the battery box is connected to the lower part of the avoiding groove through the self-punching riveting connecting piece.
In the above-mentioned battery box assembly structure, the screwed connection position of the upper cover and the box body of the battery box and the self-piercing rivet connection position of the water-cooling plate and the box body of the battery box are both positioned outside the cavity part.
In the above battery pack assembly structure, the battery pack case is integrally formed at a periphery thereof with a connecting piece fixed to the vehicle body.
Compared with the prior art, the battery box has the advantages that the integral die-casting box body is adopted, and then the groove structure is avoided skillfully, so that the integral structure of the cavity of the battery box is not damaged, the sealing performance of the battery box is ensured, the welding process is reduced, the integral casting is realized, the efficiency is high, the weight of the whole battery box is reduced, the endurance is increased, the carbon emission is reduced, and the national carbon emission strategic requirements are met.
Drawings
Fig. 1 is a schematic view of the overall explosion structure of the battery case assembly structure of the present invention;
FIG. 2 is a schematic view of the structure at the avoidance groove;
fig. 3 is a schematic view of the assembled structure.
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. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting to the scope of the present invention.
In the figure, a battery case upper cover 100; a battery pack 200; a battery case body 300; a battery case water-cooling plate 400; a cavity portion 500; a connecting sheet 600; a separator bar 700; an avoidance slot 800; stud head 801; self-piercing riveting a connecting piece 802; the stud member 900.
As shown in fig. 1 and 3, the battery box assembly structure includes a battery box upper cover 100, a battery pack 200, a battery box case 300 and a battery box water-cooling plate 400, where the greatest innovation of the present patent is that the battery box case 300 is integrally formed by die casting, a cavity 500 with an upward opening for placing the battery pack 200 is formed inside the battery box, a partition bar 700 is also integrally formed on the battery box case 300, the cavity 500 can be partitioned into a plurality of small cavity portions by the partition bar 700, so as to facilitate assembly of the battery pack 200, and in order to facilitate fixing to a vehicle body, a connection piece 600 fixed to the vehicle body is integrally formed around the battery box case 300, and the battery pack can be mounted to the vehicle body by the connection pieces 600.
As shown in fig. 2, as a further optimization, a plurality of avoiding grooves 800 connecting the battery case upper cover 100 and the battery case water-cooling plate 400 are formed on the outer side portion of the battery case body 300, the avoiding grooves 800 are formed by the concave inner portion of the battery case body 300, and the avoiding grooves 800 and the cavity 500 are not communicated with each other, since the avoiding grooves 800 and the cavity 500 are not communicated with each other, the installation connection on the avoiding grooves 800 does not affect the cavity 500, so that the avoiding grooves 800 and the cavity 500 are ensured to be isolated, thus ensuring good sealing performance, as a further optimization, for facilitating the installation of the battery case upper cover 100, the stud 801 is formed on the upper portion of the avoiding grooves 800, the battery case upper cover 100 is screwed with the hole of the stud 801 through the screw member 900, so that the battery case upper cover 100 is of a detachable structure, facilitating the subsequent replacement of the battery pack 200 module, and further facilitating cooling, need install battery case water-cooling board 400, the lower part of dodging groove 800 has from towards riveting connecting piece 802, battery case water-cooling board 400 is connected in the lower part of dodging groove 800 through from towards riveting connecting piece 802, it is riveting also to be that battery case water-cooling board 400 is for the battery case box 300, here owing to dodging groove 800 and forming alone, and the spiro union position of battery case upper cover 100 and battery case box 300 and battery case water-cooling board 400 and battery case box 300 all lie in the outside of cavity portion 500 from towards riveting the hookup location, do not destroy the cavity portion 500 wholeness of battery case like this. The structure optimizes the sealing structure of the battery box, reduces welding process, is integrally cast, has high efficiency, lightens the weight of the whole battery box, increases endurance, reduces carbon emission, and better meets the requirements of national carbon emission strategy.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the utility model as defined by the accompanying claims.
Claims (6)
1. The utility model provides a battery case assembly structure, includes battery case upper cover, battery package, battery case box and battery case water-cooling board, its characterized in that, the battery case box be integrative die-casting shaping, the cavity portion of battery case inboard for having the opening up and being used for placing the battery package is formed with the groove of dodging of a plurality of connection battery case upper cover and battery case water-cooling board in battery case box outside portion.
2. A battery case assembling structure according to claim 1, wherein said avoiding groove is formed by recessing inside of the battery case body, and the avoiding groove and the cavity portion are not communicated with each other.
3. A battery case assembling structure according to claim 2, wherein the upper portion of said escape groove is formed with a stud head, and said battery case upper cover is screw-coupled with a hole of the stud head through the stud member.
4. A battery case assembling structure according to claim 3, wherein the lower portion of the escape groove is provided with a self-piercing rivet connecting member, and the battery case water-cooling plate is connected to the lower portion of the escape groove through the self-piercing rivet connecting member.
5. A battery case assembling structure according to claim 4, wherein the screw-coupling position of the battery case lid to the battery case body and the self-piercing-riveting position of the battery case water-cooling plate and the battery case body are located outside the cavity portion.
6. A battery case assembling structure according to any one of claims 1 to 5, wherein said battery case body is integrally formed at its periphery with a connecting piece to be fixed to a vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123111485.6U CN216597826U (en) | 2021-12-08 | 2021-12-08 | Battery box assembling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123111485.6U CN216597826U (en) | 2021-12-08 | 2021-12-08 | Battery box assembling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216597826U true CN216597826U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123111485.6U Active CN216597826U (en) | 2021-12-08 | 2021-12-08 | Battery box assembling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216597826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069139A (en) * | 2021-12-08 | 2022-02-18 | 宁波信泰机械有限公司 | A battery box assembly structure |
-
2021
- 2021-12-08 CN CN202123111485.6U patent/CN216597826U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069139A (en) * | 2021-12-08 | 2022-02-18 | 宁波信泰机械有限公司 | A battery box assembly structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230504 Address after: Xian'an Economic Development Zone, Ningbo City, Zhejiang Province Patentee after: Hubei Minneng Auto Parts Co.,Ltd. Address before: 315800 No. 8, Dagang six road, Ningbo economic and Technological Development Zone, Zhejiang, China Patentee before: NINGBO XINTAI MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right |