CN218769842U - Lower shell structure of new energy automobile battery pack - Google Patents
Lower shell structure of new energy automobile battery pack Download PDFInfo
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- CN218769842U CN218769842U CN202221817985.3U CN202221817985U CN218769842U CN 218769842 U CN218769842 U CN 218769842U CN 202221817985 U CN202221817985 U CN 202221817985U CN 218769842 U CN218769842 U CN 218769842U
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- 230000003014 reinforcing effect Effects 0.000 claims description 37
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model provides a new energy automobile battery package's lower shell structure, including lower casing, two sets of installing support subassembly of the equal fixedly connected with in both sides around the casing down, both sides are still fixed respectively and are provided with preceding supporting beam, back supporting beam around the casing is inside down, preceding supporting beam and back supporting beam between still fixed being provided with two sets of well supporting beams and forming rectangle bearing structure, support beam and front and back two sets of installing support subassembly are located same prop up the line in every group. The utility model is used for promote rigidity, intensity and the resistant nature of hitting of casing under the battery package, improve the security of new forms of energy motorcycle type battery package.
Description
Technical Field
The utility model relates to the technical field of auto-parts, especially, relate to a new energy automobile battery package's lower shell structure.
Background
At present, automobiles are gradually developed from traditional fuel oil automobiles to new energy automobiles, and a battery pack is used as a core energy supply part of the new energy automobiles, is not only an important carrier of an energy source, but also plays a role in collision protection and plays a role in transmitting the impact force of the whole automobile. Since the battery pack of the micro-vehicle is generally disposed right under the vehicle body, the working environment is severe and is often subjected to an impact from the outside. Therefore, when the lower shell of the battery pack is designed, the battery of a vehicle is generally not allowed to be damaged when the vehicle is impacted, a battery core body is not damaged when the vehicle is impacted and extruded, and dangerous conditions such as electric leakage and spontaneous combustion of a battery system are avoided. Therefore, the indexes of rigidity, strength and crashworthiness of the lower case of the battery pack are important factors to be considered in designing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lower shell structure of new energy automobile battery package promotes rigidity, intensity and the resistant nature of hitting of casing under the battery package, improves the security of new energy motorcycle type battery package.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a shell structure under new energy automobile battery package, includes casing down, two sets of installing support subassembly of the equal fixedly connected with in both sides around the casing down, both sides are still fixed respectively around the casing is inside down and are provided with preceding supporting beam, back supporting beam, preceding supporting beam and back supporting beam between still fixed being provided with two sets of well supporting beams and forming rectangle bearing structure, every group well supporting beam and front and back two sets of installing support subassembly are located same prop up the line.
Furthermore, the mounting bracket assembly comprises a connecting plate, a bracket plate and a bracket reinforcing plate; the connecting plate is fixedly connected with the lower shell and the support plate; the bracket plate is fixedly connected with the lower shell; the support plate is fixedly connected with the support reinforcing plate.
Furthermore, the connecting plate is of an L-shaped structure, the support plate is of a Z-shaped structure, and the support reinforcing plate is of a Z-shaped structure; the side surface of the connecting plate is fixedly connected with the side surface of the lower shell, and the lower end surface of the connecting plate is fixedly connected with the upper end surface of the support plate; the side surface of the support plate is fixedly connected with the side surface of the lower shell, and the upper end surface of the bottom edge of the support plate is fixedly connected with the lower end surface of the lower shell; the lower end face of the support plate is fixedly connected with the upper end face of the support reinforcing plate.
Furthermore, two sides of the connecting plate are provided with first fixing edges in a bent manner, two sides of the support plate extend out of second fixing edges in a bent manner, and the lower end face of each first fixing edge is fixedly connected with the upper end face of each second fixing edge; the second fixing edge is fixedly connected with the side surface of the lower shell; and reinforcing flanges are arranged on two sides of the support reinforcing plate.
Furthermore, the lower shell is provided with latticed reinforcing ribs, and reinforcing surfaces are further arranged in grids of the reinforcing ribs.
Furthermore, the cross sections of the front supporting beam and the rear supporting beam are both W-shaped structures, and the front supporting beam and the rear supporting beam are fixedly connected with the side surface and the bottom surface of the lower shell.
Furthermore, the cross section of the middle supporting beam is of a structure shaped like a Chinese character 'ji', and the outer diameter of the middle supporting beam is gradually increased from the middle part to two ends.
Furthermore, the fixed flanging at the side edge of the middle support beam is fixedly connected with the reinforcing rib and the reinforcing surface of the lower shell.
Furthermore, still fixedly connected with horizontal fixed beam between the well supporting beam, horizontal fixed beam and lower casing fixed connection, the cross-section of horizontal fixed beam is nearly style of calligraphy, the fixed distribution box installing support that is provided with of upper end face of horizontal fixed beam and preceding supporting beam.
Furthermore, a plurality of groups of fixing support plates used for fixing the battery pack module are fixedly connected below the middle support beam, and a plurality of heat dissipation lightening holes are uniformly arranged on the fixing support plates at intervals.
The utility model has the advantages that: the utility model discloses optimize the inner structure of casing under the battery package, fuse the nature design with the direction of vehicle front end transmission route, accomplished effectual expansion to beam structure's support function, can break up outside striking energy transfer through continuous structure route.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is the utility model relates to a lower casing structure chart of new energy automobile battery package.
Fig. 2 is another direction structure diagram of the lower shell structure of the new energy vehicle battery pack of the present invention.
Fig. 3 is the utility model relates to a partial structure explosion diagram of the lower shell structure of new energy automobile battery package.
Fig. 4 is a structural view of the lower case.
Fig. 5 is a block diagram of a mounting bracket assembly.
Fig. 6 is a structural view of the middle support beam.
Detailed Description
As shown in fig. 1 and fig. 3, casing structure under new energy automobile battery package, including casing 1 down, the equal two sets of installing support subassembly 2 of both sides fixedly connected with around casing 1 down, both sides are still fixed respectively around casing 1 is inside down and are provided with preceding supporting beam 3, back supporting beam 4, preceding supporting beam 3 and back supporting beam 4 between still fixed being provided with two sets of well supporting beams 5 and forming rectangle bearing structure, every group well supporting beam 5 and two sets of installing support subassembly 2 around lie in same prop up the line. The front supporting beam 3, the rear supporting beam 4 and the middle supporting beam 5 are fixedly connected with the lower shell 1 through welding,
preferably, in combination with the above solutions, as shown in fig. 2 and 5, in order to ensure the reliability of the connection between the mounting bracket assembly 2 and the lower shell 1 and the vehicle body, the mounting bracket assembly 2 includes a connecting plate 21, a bracket plate 22, and a bracket reinforcing plate 23; the connecting plate 21 is fixedly connected with the lower shell 1, and the connecting plate 21 is fixedly connected with the support plate 22; the support plate 22 is fixedly connected with the lower shell 1; the bracket plate 22 is fixedly connected with the bracket reinforcing plate 23. Corresponding bolt mounting holes are formed in the support plate 22 and the support reinforcing plate 23, and bolt sleeves can be further arranged between the bolt mounting holes of the support plate 22 and the support reinforcing plate 23 to facilitate mounting of bolts. During assembly, the connecting plate 21, the bracket plate 22 and the bracket reinforcing plate 23 are welded to the lower shell 1, and then the bracket plate 22 and the bracket reinforcing plate 23 are fixed to the vehicle body through bolts.
Preferably, in combination with the above solutions, as shown in fig. 2 and 5, in order to ensure that the mounting bracket assembly 2 is connected with the lower housing 1 more firmly, the connecting plate 21 is of an L-shaped structure, the bracket plate 22 is of a Z-shaped structure, and the bracket reinforcing plate 23 is of a Z-shaped structure; the side surface of the connecting plate 21 is fixedly connected with the side surface of the lower shell 1, and the lower end surface of the connecting plate 21 is fixedly connected with the upper end surface of the support plate 22; the side surface of the support plate 22 is fixedly connected with the side surface of the lower shell 1, and the upper end surface of the bottom edge of the support plate 22 is fixedly connected with the lower end surface of the lower shell 1; the lower end surface of the support plate 22 is fixedly connected with the upper end surface of the support reinforcing plate 23.
Preferably, in combination with the above solutions, as shown in fig. 2 and 5, in order to ensure the structural rigidity of the mounting bracket assembly 2 and make the connection more firm, two sides of the connecting plate 21 are provided with a first fixing edge 211 in a bent manner, two sides of the bracket plate 22 extend out of a second fixing edge 221 in a bent manner, and a lower end surface of the first fixing edge 211 is fixedly connected with an upper end surface of the second fixing edge 221; the second fixing edge 221 is fixedly connected with the side surface of the lower shell 1; reinforcing flanges 231 are provided on both sides of the bracket reinforcing plate 23.
Preferably, in combination with the above solution, as shown in fig. 4, in order to increase the structural rigidity of the lower casing 1, a grid-shaped reinforcing rib 11 is provided on the lower casing 1, and a reinforcing surface 12 is further provided in the grid of the reinforcing rib 11.
Preferably, in combination with the above solution, as shown in fig. 3, in order to increase the structural rigidity of the front support beam 3 and the rear support beam 4 and better fix and connect with the lower casing 1, the cross sections of the front support beam 3 and the rear support beam 4 are both W-shaped structures, and the front support beam 3 and the rear support beam 4 are both fixed and connected with the side surface and the bottom surface of the lower casing 1.
Preferably, in combination with the above solution, as shown in fig. 6, in order to increase the structural rigidity of the middle supporting beam 5, the cross section of the middle supporting beam 5 is a structure with a shape like a Chinese character 'ji'; considering the width of the beam body, in order to ensure that the force transmission is more reasonable, the outer diameter of the middle support beam 5 is gradually increased from the middle part to the two ends and is in a trapezoidal structure.
Preferably, in combination with the above solutions, as shown in fig. 1 and fig. 6, in order to reinforce the fixing structure of the middle supporting beam 5 and the lower shell 1, the fixing flanges 51 at the sides of the middle supporting beam 5 are fixedly connected with the reinforcing ribs 11 and the reinforcing surface 12 of the lower shell 1.
Preferably, in combination with the above solutions, as shown in fig. 1 and 3, in order to better install the distribution box mounting bracket 8 and further strengthen the connection structure, a transverse fixing beam 6 is further fixedly connected between the middle support beams 5, the transverse fixing beam 6 is fixedly connected with the lower shell 1, the cross section of the transverse fixing beam 6 is in a shape like a Chinese character 'ji', and the distribution box mounting bracket 8 is fixedly arranged on the upper end surfaces of the transverse fixing beam 6 and the front support beam 3. The middle support beam 5 is fixedly connected with the middle support beam 5 and the lower shell 1 through welding.
Preferably, in combination with the above solutions, as shown in fig. 1 and 3, in order to facilitate the installation of the battery pack module, and to ensure the heat dissipation effect of the battery pack module, and to achieve a lightweight design, a plurality of groups of fixing support plates 7 for fixing the battery pack module are further fixedly connected below the middle support beam 5, and a plurality of heat dissipation lightening holes 71 are uniformly arranged on the fixing support plates 7 at intervals.
When the automobile body bumps, the anterior impact of automobile body loops through the anterior energy-absorbing box suit assembly of vehicle, the front longitudinal assembly, middle part supporting beam assembly transmits to the battery package structurally, the impact passes through shell structure's under the battery package erection bracing subassembly 2 again, well supporting beam 5 carries out the transmission in succession, form continuous energy-absorbing structure, under the prerequisite of guaranteeing energy transfer absorption integrality, through preceding supporting beam 3 among the shell structure down, back supporting beam 4, the structure of formation such as strengthening rib structure to the protection of electric core, the security of battery package structure has been guaranteed.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited to the above embodiments, and various modifications made by the method concept and technical solution of the present invention or those directly applied to other applications without modification fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a shell structure under new energy automobile battery package, includes casing (1) down, characterized by, two sets of installing support subassembly (2) of equal fixedly connected with in both sides around casing (1) down, both sides are still fixed respectively around casing (1) is inside to be provided with preceding supporting beam (3), back supporting beam (4) down, preceding supporting beam (3) and back supporting beam (4) between still fixed be provided with two sets of well supporting beam (5) and form rectangle bearing structure, it is located same prop up the line with front and back two sets of installing support subassembly (2) to prop up supporting beam (5) in every group.
2. The lower shell structure of the new energy automobile battery pack as claimed in claim 1, wherein the mounting bracket assembly (2) comprises a connecting plate (21), a bracket plate (22) and a bracket reinforcing plate (23); the connecting plate (21) is fixedly connected with the lower shell (1), and the connecting plate (21) is fixedly connected with the support plate (22); the support plate (22) is fixedly connected with the lower shell (1); the support plate (22) is fixedly connected with the support reinforcing plate (23).
3. The lower shell structure of the new energy automobile battery pack as claimed in claim 2, wherein the connecting plate (21) is of an L-shaped structure, the bracket plate (22) is of a Z-shaped structure, and the bracket reinforcing plate (23) is of a Z-shaped structure; the side surface of the connecting plate (21) is fixedly connected with the side surface of the lower shell (1), and the lower end surface of the connecting plate (21) is fixedly connected with the upper end surface of the support plate (22); the side surface of the support plate (22) is fixedly connected with the side surface of the lower shell (1), and the upper end surface of the bottom edge of the support plate (22) is fixedly connected with the lower end surface of the lower shell (1); the lower end face of the support plate (22) is fixedly connected with the upper end face of the support reinforcing plate (23).
4. The lower shell structure of the new energy automobile battery pack as claimed in claim 3, wherein a first fixing edge (211) is provided at two sides of the connecting plate (21) in a bent manner, a second fixing edge (221) is provided at two sides of the support plate (22) in a bent manner, and a lower end face of the first fixing edge (211) is fixedly connected with an upper end face of the second fixing edge (221); the second fixing edge (221) is fixedly connected with the side surface of the lower shell (1); and reinforcing flanges (231) are arranged on two sides of the support reinforcing plate (23).
5. The lower shell structure of the new energy automobile battery pack as claimed in claim 1, wherein the lower shell (1) is provided with a grid-shaped reinforcing rib (11), and a reinforcing surface (12) is further arranged in the grid of the reinforcing rib (11).
6. The lower shell structure of the new energy automobile battery pack as claimed in claim 1, wherein the cross sections of the front support beam (3) and the rear support beam (4) are both W-shaped structures, and the front support beam (3) and the rear support beam (4) are both fixedly connected with the side surface and the bottom surface of the lower shell (1).
7. The lower shell structure of the new energy automobile battery pack as claimed in claim 1, wherein the section of the middle support beam (5) is a structure in a shape of a Chinese character 'ji', and the outer diameter of the middle support beam is gradually increased from the middle part to two ends.
8. The lower shell structure of the new energy automobile battery pack as claimed in claim 7, wherein the fixing flanges (51) on the sides of the middle support beam (5) are fixedly connected with the reinforcing ribs (11) and the reinforcing surface (12) of the lower shell (1).
9. The lower shell structure of the new energy automobile battery pack as claimed in claim 1, wherein a transverse fixing beam (6) is fixedly connected between the middle support beams (5), the transverse fixing beam (6) is fixedly connected with the lower shell (1), the cross section of the transverse fixing beam (6) is in a shape like a Chinese character 'ji', and a distribution box mounting bracket (8) is fixedly arranged on the upper end faces of the transverse fixing beam (6) and the front support beam (3).
10. The lower shell structure of the new energy automobile battery pack as claimed in claim 1, wherein a plurality of groups of fixing support plates (7) for fixing the battery pack module are fixedly connected below the middle support beam (5), and a plurality of heat dissipation lightening holes (71) are uniformly arranged on the fixing support plates (7) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221817985.3U CN218769842U (en) | 2022-07-14 | 2022-07-14 | Lower shell structure of new energy automobile battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221817985.3U CN218769842U (en) | 2022-07-14 | 2022-07-14 | Lower shell structure of new energy automobile battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218769842U true CN218769842U (en) | 2023-03-28 |
Family
ID=85689652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221817985.3U Active CN218769842U (en) | 2022-07-14 | 2022-07-14 | Lower shell structure of new energy automobile battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218769842U (en) |
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2022
- 2022-07-14 CN CN202221817985.3U patent/CN218769842U/en active Active
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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: 20231117 Address after: 241000 no.226, Huajin South Road, high tech Industrial Development Zone, Wuhu City, Anhui Province Patentee after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. |
|
| TR01 | Transfer of patent right |