CN219779036U - Battery package box crossbeam structure and battery package box - Google Patents
Battery package box crossbeam structure and battery package box Download PDFInfo
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- CN219779036U CN219779036U CN202320993095.6U CN202320993095U CN219779036U CN 219779036 U CN219779036 U CN 219779036U CN 202320993095 U CN202320993095 U CN 202320993095U CN 219779036 U CN219779036 U CN 219779036U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 55
- 238000005452 bending Methods 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims 8
- 238000003466 welding Methods 0.000 description 11
- 238000007493 shaping process Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of battery pack boxes, in particular to a cross beam structure of a battery pack box and the battery pack box, which comprise an L-shaped reinforced connector, a first cross beam main body, a hoisting body and a second cross beam main body, wherein one end of a first connecting part of the L-shaped reinforced connector is connected with one end of the first cross beam main body in a bending way; the other end of the first beam main body is connected with one end of the lifting body in a bending way and is connected with one end of a second connecting part of the L-shaped reinforcing connecting body; one end of the second beam main body is connected with the other end of the lifting body in a bending way and is connected with the other end of the second connecting part of the L-shaped reinforcing connecting body; the other end of the second beam main body is connected with the first connecting part of the L-shaped reinforcing connector. According to the battery pack box body beam structure, the forming plate is integrally bent and formed, and the L-shaped reinforcing connector is arranged, so that interfaces or joints are not formed between the first beam main body and the lifting body and between the second beam main body and the lifting body, the strength and the hardness are improved, and the service life is long.
Description
Technical Field
The utility model relates to the technical field of battery pack boxes, in particular to a cross beam structure of a battery pack box and the battery pack box.
Background
The battery pack is a core energy source of the new energy automobile, and provides driving electric energy for the whole automobile, and the safety performance of the battery pack is directly related to the automobile safety and the whole automobile performance of the electric automobile. In order to ensure the safety and the use stability of the whole vehicle, the battery pack box body is required to have high safety and stability.
The battery pack includes a battery pack case. The battery package box is assembled by crossbeam and longeron, in order to conveniently hoist and mount the battery package box, generally be provided with hoisting structure at the lateral wall of crossbeam, how to set up hoisting structure and how to guarantee the joint strength of hoisting structure and crossbeam is the required problem of the person of skill in the art. In the prior art, a hoisting structure is generally welded on the side wall of a beam main body, and a beam (shown in fig. 1) is formed by welding two components, so that the strength and the hardness are insufficient, the acting force born by the hoisting structure is weak, and the hoisting structure is easy to damage.
Among the existing patents, the chinese patent document with application number 202021670635.X discloses a battery pack box structure of new energy automobile, and it discloses that the side wall is outside to be connected with a plurality of support foot welded connection, and the support foot comprises sleeve and support script body, holds in the palm script body and is arranged in the sleeve, holds in the palm foot body and sleeve welded connection, and a plurality of support feet are evenly arranged around the battery pack side wall, hold in the palm foot sleeve and battery pack side wall welded connection. This patent document is through a plurality of support feet in side wall outside welding to the hoist and mount of battery package box structure is realized to the support foot, but support foot and side wall outside welding, joint strength is not enough, support foot can't bear great effort, makes support foot damage easily.
Still, chinese patent document of application number 202210094976.4 discloses a battery package box side roof beam, battery package and electric automobile, and it discloses battery package box side roof beam including first rigidity portion, energy-absorbing portion and second rigidity portion, has seted up first connecting hole in the first rigidity portion, has seted up the second connecting hole in the energy-absorbing portion, and fastener accessible first connecting hole and second connecting hole are with first rigidity portion fixed connection in energy-absorbing portion. The second rigid portion is locked on the energy absorbing portion through the locking piece, so that the structural integrity is poor, and the strength and the hardness are insufficient, so that the second rigid portion cannot bear large acting force.
Thus, the drawbacks are quite apparent and there is a need to provide a solution.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a cross beam structure of a battery pack box body and the battery pack box body.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a cross beam structure of a battery pack box body is formed by integrally bending a forming plate, and comprises an L-shaped reinforced connecting body, a first cross beam main body, a hoisting body and a second cross beam main body, wherein one end of a first connecting part of the L-shaped reinforced connecting body is integrally bent and connected with one end of the first cross beam main body; the other end of the first beam main body is integrally bent and connected with one end of the lifting body and is connected with one end of the second connecting part of the L-shaped reinforcing connecting body; one end of the second beam main body is integrally bent and connected with the other end of the lifting body and is connected with the other end of the second connecting part of the L-shaped reinforcing connecting body; the other end of the second beam main body is connected with the first connecting part of the L-shaped reinforcing connecting body or one end of the first beam main body, the second connecting part of the L-shaped reinforcing connecting body covers the opening of the lifting body, the first beam main body, the L-shaped reinforcing connecting body and the second beam main body are enclosed to form a Chinese character 'ri' -shaped beam body, and the lifting body is positioned on one side of the Chinese character 'ri' -shaped beam body.
Further, the other end of the first beam body is welded to one end of the second connecting portion of the L-shaped reinforcing connecting body.
Further, one end of the second beam body is welded to the other end of the second connecting portion of the L-shaped reinforcing connecting body.
Further, the other end of the second beam body is welded to the first connection portion of the L-shaped reinforcing connection body or one end of the first beam body.
Further, the first beam main body comprises a first beam side plate, a second beam side plate and a third beam side plate which are sequentially bent and connected, the first beam side plate and the third beam side plate are both positioned on one side of the second beam side plate, which is close to the L-shaped reinforcing connector, one end of the first beam side plate and one end of the third beam side plate are respectively and vertically arranged at two ends of the second beam side plate, and one end of a first connecting part of the L-shaped reinforcing connector is integrally bent and connected with the other end of the first beam side plate; the other end of the third side plate of the first cross beam is connected with one end of the second connecting part of the L-shaped reinforcing connecting body and integrally bent and connected with one end of the lifting body.
Further, the length of the third beam side plate is larger than that of the first beam side plate, and the other end of the third beam side plate is connected with one end of the second connecting part of the L-shaped reinforcing connector after being overlapped.
Further, the hanging body is U-shaped or U-shaped.
Further, the second beam main body comprises a first beam side plate, a second beam side plate and a third beam side plate which are sequentially connected in a bending way; one end of the first cross beam side plate is integrally bent and connected with the other end of the lifting body, and is overlapped and then connected with the other end of the second connecting part of the L-shaped reinforcing connecting body; the first beam side plate and the third beam side plate are both positioned on one side, close to the L-shaped reinforcing connector, of the second beam side plate, the other end of the first beam side plate and one end of the third beam side plate are respectively and vertically arranged at two ends of the second beam side plate, and the other end of the third beam side plate is connected with the first connecting part of the L-shaped reinforcing connector or one end of the first beam main body.
Further, the second beam main body further comprises a second beam side plate IV which is integrally bent and connected with one end, far away from the second beam side plate II, of the second beam side plate III, and the second beam side plate IV is connected with the first connecting part of the L-shaped reinforcing connector or one end of the first beam main body after being overlapped.
The utility model also provides a battery pack box body, which comprises the battery pack box body beam structure.
Further, the battery pack box body further comprises battery pack box body longitudinal beams connected with the battery pack box body cross beam structures, and the number of the battery pack longitudinal beams and the number of the battery pack box body cross beam structures are at least two.
The utility model has the beneficial effects that: according to the utility model, the forming plate is integrally bent and formed and is of the approximately convex cross beam structure of the battery pack box body, and the L-shaped reinforcing connector is arranged, so that the overall strength and hardness are greatly improved, no interfaces or joints are arranged between the first cross beam main body and the lifting body and between the second cross beam main body and the lifting body, the air tightness is improved, the appearance is neat and attractive, the strength and hardness of the lifting body are increased, the loading strength of the cross beam structure of the battery pack box body is met, the service life is prolonged, and the cost is reduced.
Drawings
Fig. 1 is a front view of a prior art beam.
Fig. 2 is a schematic perspective view of a beam structure of a battery pack case of the present utility model.
Fig. 3 is a front view of the cross beam structure of the battery pack case of the present utility model.
Reference numerals illustrate:
1. an L-shaped reinforcing connector; 2. a first beam body; 3. hoisting the body; 4. a second beam body; 5. a first connection portion; 6. a second connecting portion; 7. a first beam side plate I; 8. a first beam side plate II; 9. a first beam side plate III; 10. a first beam side plate; 11. a second beam side plate II; 12. a second beam side plate III; 13. and a second beam side plate IV.
Detailed Description
The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.
As shown in fig. 2 and 3, the cross beam structure of the battery pack box body provided by the utility model is formed by integrally rolling and bending a forming plate, and comprises an L-shaped reinforced connector 1, a first cross beam main body 2, a lifting body 3 and a second cross beam main body 4, wherein one end of a first connecting part 5 of the L-shaped reinforced connector 1 is integrally bent and connected with one end of the first cross beam main body 2; the other end of the first beam main body 2 is integrally bent and connected with one end of the lifting body 3 and is connected with one end of the second connecting part 6 of the L-shaped reinforced connecting body 1; one end of the second beam main body 4 is integrally bent and connected with the other end of the lifting body 3 and is connected with the other end of the second connecting part 6 of the L-shaped reinforced connecting body 1; the other end of the second beam main body 4 is connected with the first connecting part 5 of the L-shaped reinforcing connector 1 or one end of the first beam main body 2, the second connecting part 6 of the L-shaped reinforcing connector 1 covers the opening of the lifting body 3, the first beam main body 2, the L-shaped reinforcing connector 1 and the second beam main body 4 are enclosed to form a Chinese character 'ri' shaped beam body, and the lifting body 3 is positioned on one side of the Chinese character 'ri' shaped beam body. This battery package box crossbeam structure is through shaping board integral type shaping of bending and roughly be the protruding style of calligraphy, and has set up L type enhancement connector 1, has improved bulk strength and hardness greatly for there is not interface or joint mark between first crossbeam main part 2 and hoist and mount body 3 and between second crossbeam main part 4 and the hoist and mount body 3, has improved the gas tightness, and the appearance is neat and pleasing to the eye, has increased hoist and mount body 3 intensity and hardness, thereby has satisfied the loading intensity of battery package box crossbeam structure, has prolonged life, and the cost is reduced.
Specifically, the forming plate is a steel plate, and the steel plate and the rolling forming process are adopted, so that the aims of reducing cost and improving efficiency are fulfilled while the strength and the hardness of the cross beam structure of the battery pack box body are further improved.
In this embodiment, the other end of the first beam body 2 is welded to one end of the second connecting portion 6 of the L-shaped reinforcing connecting body 1. This structural design has improved the intensity that first crossbeam main part 2 is connected with the second connecting portion 6 of L type reinforcing connection body 1 to further improve the bulk strength, hardness and the structural stability of this battery package box crossbeam structure.
In this embodiment, one end of the second beam body 4 is welded to the other end of the second connecting portion 6 of the L-shaped reinforcing connecting body 1. This structural design has improved the intensity that second crossbeam main part 4 is connected with the second connecting portion 6 of L reinforcing connection body 1 to further improve the bulk strength, hardness and the structural stability of this battery package box crossbeam structure.
In this embodiment, the other end of the second beam body 4 is welded to the first connection portion 5 of the L-shaped reinforcing connection body 1 or one end of the first beam body 2. This structural design has improved the joint strength of second crossbeam main part 4 and the first connecting portion 5 or the first crossbeam main part 2 of L type reinforcing connection body 1. Preferably, the other end of the second beam main body 4 is welded with the first connecting part 5 of the L-shaped reinforcing connecting body 1, and the welding surface of the second beam main body 4 and the first connecting part 5 of the L-shaped reinforcing connecting body 1 can be retracted, so that the condition that the welding surface of the second beam main body 4 and the first beam main body 2 needs to be exposed is avoided, and the function of hiding and protecting the welding surface is achieved.
In this embodiment, the first beam main body 2 includes a first beam side plate 7, a second beam side plate 8 and a third beam side plate 9 that are sequentially bent and connected, where the first beam side plate 7 and the third beam side plate 9 are both located at one side of the second beam side plate 8 near the L-shaped reinforcing connector 1, one end of the first beam side plate 7 and one end of the third beam side plate 9 are respectively perpendicular to two ends of the second beam side plate 8, and one end of the first connecting portion 5 of the L-shaped reinforcing connector 1 is integrally bent and connected with the other end of the first beam side plate 7; the other end of the first beam side plate III 9 is connected with one end of the second connecting part 6 of the L-shaped reinforcing connecting body 1 and integrally bent and connected with one end of the lifting body 3. This structural design is favorable to the shaping of bending with L type enhancement connector 1, first crossbeam main part 2 and hoist and mount body 3 roll-in, and has guaranteed the bulk strength and the hardness of this battery package box crossbeam structure.
In this embodiment, the length of the first beam side plate three 9 is greater than that of the first beam side plate 7, and the other end of the first beam side plate three 9 is welded and connected after overlapping with one end of the second connecting portion 6 of the L-shaped reinforcing connector 1. This structural design has increased the area of contact of the third 9 of first crossbeam curb plate and the second connecting portion 6 of L type enhancement connector 1 to enlarged the welded surface between the two, and then further improved the intensity that the third 9 of first crossbeam curb plate and the second connecting portion 6 of L type enhancement connector 1 welded together, and made the hookup location of the first connecting portion 5 of second crossbeam main part 4 and L type enhancement connector 1 or first crossbeam main part 2 stagger with the open position of hoist body 3, guaranteed the bulk strength and the hardness of this battery package box crossbeam structure.
In this embodiment, the hoist body 3 is U type or U style of calligraphy, is convenient for with hoist body 3 roll-in bending shaping, and makes hoist body 3 structural stability good, intensity and hardness are high, are favorable to hoist and mount the use.
In this embodiment, the second beam main body 4 includes a first beam side plate 10, a second beam side plate 11 and a third beam side plate 12 which are sequentially connected in a bending manner; one end of the first cross beam side plate 10 is integrally bent and connected with the other end of the lifting body 3, and is welded and connected after being overlapped with the other end of the second connecting part 6 of the L-shaped reinforced connecting body 1; the first beam side plate 10 and the third beam side plate 12 are both positioned on one side of the second beam side plate 11, which is close to the L-shaped reinforcing connector 1, and the other end of the first beam side plate 10 and one end of the third beam side plate 12 are respectively and vertically arranged at two ends of the second beam side plate 11, and the other end of the third beam side plate 12 is connected with the first connecting part 5 of the L-shaped reinforcing connector 1 or one end of the first beam main body 2. This structural design is favorable to bending the shaping with second crossbeam main part 4 and hoist and mount body 3 roll-in, has guaranteed the bulk strength and the hardness of this battery package box crossbeam structure, and has increased the area of contact of second crossbeam curb plate 10 and the second connecting portion 6 of L type enhancement connector 1 to the welding face between the two has been enlarged, and then has further improved the intensity that second crossbeam curb plate 10 and the second connecting portion 6 of L type enhancement connector 1 welded together, has guaranteed the bulk strength and the hardness of this battery package box crossbeam structure.
In this embodiment, the second beam main body 4 further includes a second beam side plate four 13 integrally bent and connected with one end of the second beam side plate three 12 far away from the second beam side plate two 11, and the second beam side plate four 13 is welded and connected after being overlapped with the first connection portion 5 of the L-shaped reinforcing connector 1 or one end of the first beam main body 2. Preferably, the second beam side plate four 13 is welded and connected after overlapping with the first connecting portion 5 of the L-shaped reinforcing connecting body 1. This structural design has increased the area of contact of second crossbeam main part 4 and the first connecting portion 5 of L type enhancement connector 1 to enlarged the welding area of both, and then improved the intensity that second crossbeam main part 4 and the first connecting portion 5 of L type enhancement connector 1 welded together, guaranteed the bulk strength and the hardness of this battery package box crossbeam structure, and the welding position of second crossbeam main part 4 and the first connecting portion 5 of L type enhancement connector 1 can adduction, play the purpose of hiding and protecting the welding position, make the first crossbeam curb plate side 7 side of first crossbeam main part 2 and the second crossbeam curb plate three 12 side coplane of second crossbeam main part 4 and parallel and level, avoid the welding position to produce step or unevenness.
Specifically, the length of the third beam side plate 12 is greater than that of the first beam side plate 10, so that the connection position of the second beam main body 4 and the first connection part 5 of the L-shaped reinforcing connector 1 or the connection position of the first beam main body 2 is staggered from the opening position of the lifting body 3, and the overall strength and the rigidity of the beam structure of the battery pack box body are ensured.
The utility model also provides a battery pack box body, which comprises the battery pack box body beam structure. The battery pack box has all the beneficial effects of the cross beam structure of the battery pack box, and the description is omitted here.
In this embodiment, the battery pack box further includes a battery pack box longitudinal beam connected to the battery pack box beam structure, and the number of battery pack longitudinal beams and the number of battery pack box beam structures are at least two. Specifically, the number of the battery pack box body cross beam structures is two, the two battery pack longitudinal beams are arranged in parallel, the two battery pack box body cross beam structures are arranged in parallel and symmetrically, two ends of one battery pack box body cross beam structure are respectively assembled with one ends of the two battery pack longitudinal beams, and two ends of the other battery pack box body cross beam structure are respectively assembled with the other ends of the two battery pack longitudinal beams to form a rectangular battery pack box body.
All technical features in the embodiment can be freely combined according to actual needs.
The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.
Claims (10)
1. The utility model provides a battery package box crossbeam structure which characterized in that: the integrated bending and forming device comprises a forming plate, a first connecting part (5) and a second connecting part, wherein the forming plate is integrally bent and formed and comprises an L-shaped reinforcing connecting body (1), a first beam main body (2), a lifting body (3) and a second beam main body (4), and one end of the first connecting part (5) of the L-shaped reinforcing connecting body (1) is integrally bent and connected with one end of the first beam main body (2); the other end of the first beam main body (2) is integrally bent and connected with one end of the lifting body (3), and is connected with one end of a second connecting part (6) of the L-shaped reinforced connecting body (1); one end of the second beam main body (4) is integrally bent and connected with the other end of the lifting body (3) and is connected with the other end of the second connecting part (6) of the L-shaped reinforced connecting body (1); the other end of the second beam main body (4) is connected with a first connecting part (5) of the L-shaped reinforcing connecting body (1) or one end of the first beam main body (2), the second connecting part (6) of the L-shaped reinforcing connecting body (1) covers the opening of the lifting body (3), the first beam main body (2), the L-shaped reinforcing connecting body (1) and the second beam main body (4) are surrounded to form a Chinese character 'ri' shaped beam body, and the lifting body (3) is positioned on one side of the Chinese character 'ri' shaped beam body.
2. The battery pack case beam construction of claim 1, wherein: the other end of the first beam main body (2) is welded with one end of a second connecting part (6) of the L-shaped reinforcing connecting body (1).
3. The battery pack case beam construction of claim 1, wherein: one end of the second beam main body (4) is welded with the other end of the second connecting part (6) of the L-shaped reinforced connecting body (1).
4. The battery pack case beam construction of claim 1, wherein: the other end of the second beam main body (4) is welded with the first connecting part (5) of the L-shaped reinforced connecting body (1) or one end of the first beam main body (2).
5. A battery pack case beam construction according to any one of claims 1 to 4, wherein: the first beam main body (2) comprises a first beam side plate I (7), a first beam side plate II (8) and a first beam side plate III (9) which are sequentially connected in a bending way, wherein the first beam side plate I (7) and the first beam side plate III (9) are both positioned on one side of the first beam side plate II (8) close to the L-shaped reinforcing connector (1), one end of the first beam side plate I (7) and one end of the first beam side plate III (9) are respectively and vertically arranged at two ends of the first beam side plate II (8), and one end of a first connecting part (5) of the L-shaped reinforcing connector (1) is integrally bent and connected with the other end of the first beam side plate I (7); the other end of the first beam side plate III (9) is connected with one end of a second connecting part (6) of the L-shaped reinforced connecting body (1) and is integrally bent and connected with one end of the lifting body (3).
6. The battery pack case beam construction of claim 5, wherein: the length of the first beam side plate III (9) is larger than that of the first beam side plate I (7), and the other end of the first beam side plate III (9) is connected with one end of the second connecting part (6) of the L-shaped reinforcing connector (1) after being overlapped.
7. A battery pack case beam construction according to any one of claims 1 to 4, wherein: the second beam main body (4) comprises a first beam side plate (10), a second beam side plate (11) and a third beam side plate (12) which are sequentially connected in a bending way; one end of the first transverse beam side plate (10) is integrally bent and connected with the other end of the lifting body (3) and is connected with the other end of the second connecting part (6) of the L-shaped reinforcing connecting body (1) after being overlapped; the first beam side plate (10) and the third beam side plate (12) are both positioned on one side, close to the L-shaped reinforcing connector (1), of the second beam side plate (11), the other end of the first beam side plate (10) and one end of the third beam side plate (12) are respectively perpendicular to the two ends of the second beam side plate (11), and the other end of the third beam side plate (12) is connected with the first connecting part (5) of the L-shaped reinforcing connector (1) or one end of the first beam main body (2).
8. The battery pack case beam construction of claim 7, wherein: the second beam main body (4) further comprises a second beam side plate IV (13) which is integrally bent and connected with one end of a second beam side plate III (12) far away from a second beam side plate II (11), and the second beam side plate IV (13) is connected with one end of the first connecting part (5) of the L-shaped reinforcing connecting body (1) or the first beam main body (2) after being overlapped.
9. A battery pack case, characterized in that: a battery pack case beam construction comprising any one of claims 1 to 8.
10. The battery pack case according to claim 9, wherein: the battery pack box body longitudinal beam is connected with the battery pack box body cross beam structure, and the number of the battery pack longitudinal beams and the number of the battery pack box body cross beam structure are at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320993095.6U CN219779036U (en) | 2023-04-26 | 2023-04-26 | Battery package box crossbeam structure and battery package box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320993095.6U CN219779036U (en) | 2023-04-26 | 2023-04-26 | Battery package box crossbeam structure and battery package box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219779036U true CN219779036U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320993095.6U Active CN219779036U (en) | 2023-04-26 | 2023-04-26 | Battery package box crossbeam structure and battery package box |
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| Country | Link |
|---|---|
| CN (1) | CN219779036U (en) |
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2023
- 2023-04-26 CN CN202320993095.6U patent/CN219779036U/en active Active
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