CN220324583U - Battery package roll-in steel reinforced structure - Google Patents
Battery package roll-in steel reinforced structure Download PDFInfo
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- CN220324583U CN220324583U CN202321306252.8U CN202321306252U CN220324583U CN 220324583 U CN220324583 U CN 220324583U CN 202321306252 U CN202321306252 U CN 202321306252U CN 220324583 U CN220324583 U CN 220324583U
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- rolled steel
- reinforcing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 135
- 239000010959 steel Substances 0.000 title claims abstract description 135
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 187
- 238000003466 welding Methods 0.000 claims abstract description 29
- 230000002787 reinforcement Effects 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- 238000005096 rolling process Methods 0.000 description 13
- 238000010030 laminating Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000013585 weight reducing agent Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model belongs to a rolled steel reinforcing structure of a battery pack in the technical field of battery packs of new energy automobiles. Including roll-in steel body (1), roll-in steel body (1) is hollow structure, and roll-in steel body (1) is L type structure, and roll-in steel body (1) side sets up a plurality of small-size flutings (2) according to the clearance, and roll-in steel body (1) inside sets up reinforcing plate (3), and reinforcing plate (3) are U font structure, and reinforcing plate (3) one side and the inside one side inner wall welding of roll-in steel body (1), every small-size fluting (2) border and reinforcing plate (3) opposite side welding. The rolled steel reinforcing structure of the battery pack has a simple structure, effectively improves the overall strength of the rolled steel body on the premise of not needing overall reinforcement, ensures the overall mode and rigidity, particularly the side strength of two sides of the rolled steel body, reduces the quantity of materials used for material reinforcement, and reduces the cost.
Description
Technical Field
The utility model belongs to the technical field of battery packs of new energy automobiles, and particularly relates to a rolled steel reinforcing structure of a battery pack.
Background
At present, in the battery pack applied, the rolled steel structure tends to be mature, and free matching of the length and the width can be realized, so that the development of the battery pack with multiple electric quantities in the same form is realized. The method comprises the steps of welding and assembling box body hoisting tools, wherein L-shaped hollow pipe forms are adopted for transverse longitudinal beams around a battery pack, and the height is used as the height of a box body; the horizontal plane of the inner step is used as a module mounting surface, the upper bottom surface and the lower bottom surface are high, and the horizontal plane of the inner step is used as sealing surfaces of an upper cover plate and a lower cover plate, and no matter the lower cover plate adopts a screw connection or welding mode. However, the strength of the structure of the current frame solutions of roll steel still needs to be improved. The lifting lug tool is welded on the side face of the rolled steel, the strength of the side face is weak, and the whole body is reinforced, so that materials are wasted.
The prior art is named as a section bar for a battery pack shell of a new energy automobile and a manufacturing method thereof, and the technology has the publication number of 114583355A, and the section bar is a hollow closed section bar with a special-shaped section, which is formed by rolling or stamping and welding a plate material to form an upper cavity and a lower cavity; wherein the upper cavity is of a triangle or quadrilateral structure; the lower cavity is an L-shaped cavity, a first connecting part connected with the upper cavity is arranged between the middle part of the upper end surface of the lower cavity and the lower end of the upper cavity, and a first welding point for bending and combining the plates is arranged on the first connecting part; the upper end surface of the lower cavity is connected with the vehicle body part; the L-shaped inner side surface of the lower cavity is in a right angle shape; the outer side surface of the lower cavity is an inclined surface, and the middle part of the outer side surface is provided with a connecting hole; the inner side end of the bottom of the lower cavity extends outwards to form a second connecting part matched with the bottom plate of the steel battery pack shell, the second connecting part is formed by closing and connecting two ends of a plate, and a second welding point is arranged on the second connecting part.
However, this technology does not relate to the technical problems and technical solutions of the present application.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects of the prior art, the battery pack rolling steel reinforcing structure has the advantages that the structure is simple, the overall strength of the rolling steel body is effectively improved on the premise that integral reinforcement is not needed, the overall mode and rigidity are guaranteed, particularly the side strength of two sides of the rolling steel body are guaranteed, the quantity of materials used for material reinforcement is reduced, and the cost is reduced.
The technical scheme adopted by the utility model is as follows:
the utility model relates to a rolled steel reinforcing structure of a battery pack, which comprises a rolled steel body, wherein the rolled steel body is of a hollow structure, the rolled steel body is of an L-shaped structure, a plurality of small grooves are formed in the side surface of the rolled steel body according to gaps, a reinforcing plate is arranged in the rolled steel body, the reinforcing plate is of a U-shaped structure, one side of the reinforcing plate is welded with the inner wall of one side of the interior of the rolled steel body, and the edges of each small groove are welded with the other side of the reinforcing plate.
The reinforcing plate include reinforcing plate first side, reinforcing plate bottom, reinforcing plate second side, reinforcing plate first side, reinforcing plate bottom, reinforcing plate second side be integrated into one piece structure, reinforcing plate first side, reinforcing plate bottom, reinforcing plate second side are U font structure, set up a plurality of enhancement pieces according to the clearance in the reinforcing plate.
The height dimension of the first side edge of the reinforcing plate is larger than that of the second side edge of the reinforcing plate.
The roll-in steel body include vertical cavity portion and horizontal cavity portion, vertical cavity portion and horizontal cavity portion are the communication structure, vertical cavity portion and horizontal cavity portion are L type structure, the reinforcing plate welding is in vertical cavity portion inside position.
When the reinforcing plate is welded at the inner position of the vertical cavity part, the first side edge of the reinforcing plate is attached to the inner wall of one side of the vertical cavity part, the second side edge of the reinforcing plate is attached to the inner wall of the other side of the vertical cavity part, and the edge of the upper part of the second side edge of the reinforcing plate and the edge of the small slot are located at the same height.
The reinforcing plate and the reinforcing sheet are both made of metal materials.
The reinforcing sheets are arranged in a plurality of intervals from one end part of the reinforcing plate to the other end part of the reinforcing plate.
One side of each reinforcing sheet is welded with the inner wall of the first side edge of the reinforcing plate, the other side of each reinforcing sheet is welded with the inner wall of the second side edge of the reinforcing plate, and the bottom of each reinforcing sheet is welded with the bottom surface of the bottom of the reinforcing plate.
The first side of the reinforcing plate and the inner wall of one side of the inner part of the vertical cavity are welded by adopting resistance welding, and the upper end part of the second side of the reinforcing plate of each small grooving edge and the reinforcing plate of the reinforcing plate are welded by adopting groove welding.
The length of the reinforcing plate is equal to that of the rolled steel body.
By adopting the technical scheme of the utility model, the working principle and the beneficial effects are as follows:
according to the battery pack rolled steel reinforcing structure, the rolled steel body is of a hollow structure, the rolled steel body is of an L-shaped structure, and the cavity inside the rolled steel body is vertical and horizontal. The roll-pressed steel body is of an integral structure. The reinforcing plate is arranged in the rolling steel body, the structure of the reinforcing plate is specially set, a plurality of small grooves are formed in the side face of the rolling steel body according to gaps, and the reinforcing plate is of a U-shaped structure. The small grooving is arranged, so that on one hand, the small grooving section area is small, the integral strength of the rolled steel body cannot be influenced, and on the other hand, the small grooving part is used for extending a welding part to weld the reinforcing plate and the rolled steel body. When the reinforcing plate is welded, one side of the reinforcing plate is welded with the inner wall of one side of the inside of the rolled steel body, and each small-sized slotting edge is welded with the other side of the reinforcing plate. Thus, one side face of the reinforcing plate is welded with one side inner wall of the rolled steel body, and the other side face of the reinforcing plate is welded with the other side inner wall of the rolled steel body. On one hand, after the reinforcing plate is welded with the rolled steel body, a connecting structure is added from the cavity part, so that the integral strength of the rolled steel body is improved, on the other hand, the side surface of one side of the reinforcing plate is of a plate structure, after the inner wall of one side of the rolled steel body is welded with the side surface of one side of the reinforcing plate, the strength of one side surface of the rolled steel body is enhanced by the plate, and after the inner wall of the other side surface of the rolled steel body is welded on the other side surface of the reinforcing plate, the strength of the other side surface of the rolled steel body is enhanced by the plate, so that the integral mode and the rigidity of the rolled steel, and particularly the strength of the two side surfaces of the rolled steel body are effectively ensured. The structure can meet the strength requirement without integrally forcing rolled steel, effectively realize the purpose of weight reduction, lighten the overall weight of the battery pack, reduce the steel consumption and save the cost.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic view of a part of a rolled steel reinforcement structure for a battery pack according to the present utility model;
FIG. 2 is a schematic view of a part of a reinforcing plate of a rolled steel reinforcing structure for a battery pack according to the present utility model;
FIG. 3 is a schematic view of a partially cut-away structure of a rolled steel reinforcement structure for a battery pack according to the present utility model;
the reference numerals in the figures are respectively: 1. rolling the steel body; 2. small grooving; 3. a reinforcing plate; 4. a first side of the reinforcing plate; 5. the bottom of the reinforcing plate; 6. a second side of the reinforcing plate; 7. a reinforcing sheet; 8. a vertical cavity portion; 9. a horizontal cavity portion.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present utility model by describing examples in further detail:
as shown in fig. 1-3, the utility model relates to a rolled steel reinforcing structure of a battery pack, which comprises a rolled steel body 1, wherein the rolled steel body 1 is of a hollow structure, the rolled steel body 1 is of an L-shaped structure, a plurality of small grooves 2 are formed in the side surface of the rolled steel body 1 according to gaps, a reinforcing plate 3 is arranged in the rolled steel body 1, the reinforcing plate 3 is of a U-shaped structure, one side of the reinforcing plate 3 is welded with the inner wall of one side of the inside of the rolled steel body 1, and the edge of each small groove 2 is welded with the other side of the reinforcing plate 3. The structure provides an improved technical scheme aiming at the defects in the prior art. The roll-in steel body 1 is of a hollow structure, the roll-in steel body 1 is of an L-shaped structure, and a cavity vertical cavity part 8 and a horizontal cavity part 9 inside the roll-in steel body 1 are formed. The roll steel body 1 is of a monolithic structure. The side of the roll-pressed steel body 1 is provided with a plurality of small grooves 2 according to gaps, the roll-pressed steel body 1 is internally provided with a reinforcing plate 3, the structure of the reinforcing plate 3 is specially set, and the reinforcing plate 3 is in a U-shaped structure. The arrangement of the small-sized slot 2 is that on one hand, the cross-sectional area of the small-sized slot 2 is small, the integral strength of the rolling steel body 1 is not affected, and on the other hand, the small-sized slot 2 is used for welding parts to extend into the cavity of the rolling steel body to weld the reinforcing plate 3 and the rolling steel body 1. When the reinforcing plate 3 is welded, one side of the reinforcing plate 3 is welded with the inner wall of one side of the inside of the rolled steel body 1, and the edge of each small slot 2 is welded with the other side of the reinforcing plate 3. In this way, the side face of the reinforcing plate 3 is welded to the inner wall of one side of the roll-pressed steel body 1, and the side face of the reinforcing plate 3 is welded to the inner wall of the other side of the roll-pressed steel body 1. On the one hand, reinforcing plate 3 and roll-in steel body 1 welding back increases a connection structure from the cavity position to promote the bulk strength of roll-in steel body 1, on the other hand, reinforcing plate 3 one side is the plate structure, after reinforcing plate 3 one side welding roll-in steel body 1 one side inner wall, be equivalent to the intensity of plate strengthened roll-in steel body 1 one side, behind reinforcing plate 3 opposite side welding roll-in steel body 1 opposite side inner wall, be equivalent to the intensity of plate strengthened roll-in steel body 1 opposite side, in this way, effectively guarantee roll-in steel's bulk mode and rigidity, especially roll-in steel body 1 both sides side intensity, be convenient for other part connection side back atress non-deformable. The structure can meet the strength requirement without integrally forcing (such as increasing the thickness) the rolled steel, thereby effectively realizing the purpose of weight reduction, reducing the overall weight of the battery pack, effectively reducing the steel consumption and saving the cost. The rolled steel reinforcing structure of the battery pack has a simple structure, effectively improves the overall strength of the rolled steel body on the premise of not needing overall reinforcement, ensures the overall mode and rigidity, particularly the side strength of two sides of the rolled steel body, reduces the quantity of materials used for material reinforcement, and reduces the cost.
The reinforcing plate 3 comprises a reinforcing plate first side 4, a reinforcing plate bottom 5 and a reinforcing plate second side 6, wherein the reinforcing plate first side 4, the reinforcing plate bottom 5 and the reinforcing plate second side 6 are of an integrated structure, the reinforcing plate first side 4, the reinforcing plate bottom 5 and the reinforcing plate second side 6 are of a U-shaped structure, and a plurality of reinforcing sheets 7 are arranged in the reinforcing plate 3 according to gaps. Above-mentioned structure improves the structure of reinforcing plate, and reinforcing plate first side 4, reinforcing plate bottom 5, reinforcing plate second side 6 of reinforcing plate 3 are integrated into one piece structure, and the reinforcing plate is whole to be processed, and processing technology is simple, and intensity is high. And the reinforcing sheet 7 is provided in plurality for reinforcing the strength of the reinforcing plate 3.
The height dimension of the first side edge 4 of the reinforcing plate 3 is larger than that of the second side edge 6 of the reinforcing plate. When the reinforcing plate 3 is welded at the inner position of the vertical cavity part 8, the first side edge 4 of the reinforcing plate 3 is attached to the inner wall of one side of the vertical cavity part 8, the second side edge 6 of the reinforcing plate is attached to the inner wall of the other side of the vertical cavity part 8, and the upper edge of the second side edge 6 of the reinforcing plate and the edge of the small slot 2 are located at the same height. Above-mentioned structure, after the reinforcing plate is placed in the cavity of roll-in steel body, reinforcing plate first side 4 laminating vertical cavity portion 8 one side inner wall, reinforcing plate second side 6 laminating vertical cavity portion 8 opposite side inner wall reliably realizes laminating, then the welding realizes connecting. The reinforcement panel 3 has a reinforcement panel first side 4 having a height dimension greater than a reinforcement panel second side 6. Like this, the reinforcing plate is placed in place after, and reinforcing plate second side 6 just laminates small-size fluting 2 border position, and be convenient for both welds, and small-size fluting is convenient for weld part stretches into inside to reinforcing plate first side 4 laminating vertical cavity portion 8 one side inner wall welding simultaneously, simple operation.
The rolled steel body 1 comprises a vertical cavity part 8 and a horizontal cavity part 9, wherein the vertical cavity part 8 and the horizontal cavity part 9 are of a communication structure, the vertical cavity part 8 and the horizontal cavity part 9 are of an L-shaped structure, and the reinforcing plate 3 is welded at the inner position of the vertical cavity part 8. Above-mentioned structure, reinforcing plate 3 welds in the inside position of perpendicular chamber portion 8 for improve roll-in steel body bulk strength, especially improve the side intensity.
The reinforcing plate 3 and the reinforcing sheet 7 are both made of metal materials. The reinforcing sheets 7 are provided in a plurality of intervals from one end of the reinforcing plate 3 to the other end. One side of each reinforcing sheet 7 is welded with the inner wall of the first side 4 of the reinforcing plate, the other side of each reinforcing sheet 7 is welded with the inner wall of the second side 6 of the reinforcing plate, and the bottom of each reinforcing sheet 7 is welded with the bottom surface of the bottom 5 of the reinforcing plate. Above-mentioned structure places the reinforcing plate inside L shape roll-in steel body 1, and reinforcing plate first side 4 adopts resistance welding with the roll-in steel body, and reinforcing plate second side 6 adopts groove welding with the roll-in steel body.
The first side 4 of the reinforcing plate 3 and the inner wall of one side inside the vertical cavity part 8 are welded by adopting resistance welding, and the edge of each small slot 2 and the upper end part of the second side 6 of the reinforcing plate 3 are welded by adopting groove welding. The length of the reinforcing plate 3 is equal to the length of the rolled steel body 1.
The battery pack roll-in steel reinforcing structure improves the structure and the connection mode. The roll-in steel body 1 is of a hollow structure, the roll-in steel body 1 is of an L-shaped structure, and a cavity vertical cavity part 8 and a horizontal cavity part 9 inside the roll-in steel body 1 are formed. The roll steel body 1 is of a monolithic structure. The side of the roll-pressed steel body 1 is provided with a plurality of small grooves 2 according to gaps, the roll-pressed steel body 1 is internally provided with a reinforcing plate 3, the structure of the reinforcing plate 3 is specially set, and the reinforcing plate 3 is in a U-shaped structure. The arrangement of the small-sized slot 2 is that on one hand, the cross-sectional area of the small-sized slot 2 is small, the integral strength of the rolling steel body 1 is not affected, and on the other hand, the small-sized slot 2 is used for welding parts to extend into the cavity of the rolling steel body to weld the reinforcing plate 3 and the rolling steel body 1. When the reinforcing plate 3 is welded, one side of the reinforcing plate 3 is welded with the inner wall of one side of the inside of the rolled steel body 1, and the edge of each small slot 2 is welded with the other side of the reinforcing plate 3. In this way, the side face of the reinforcing plate 3 is welded to the inner wall of one side of the roll-pressed steel body 1, and the side face of the reinforcing plate 3 is welded to the inner wall of the other side of the roll-pressed steel body 1. On the one hand, reinforcing plate 3 and roll-in steel body 1 welding back increases a connection structure from the cavity position to promote the bulk strength of roll-in steel body 1, on the other hand, reinforcing plate 3 one side is the plate structure, after reinforcing plate 3 one side welding roll-in steel body 1 one side inner wall, be equivalent to the intensity of plate strengthened roll-in steel body 1 one side, behind reinforcing plate 3 opposite side welding roll-in steel body 1 opposite side inner wall, be equivalent to the intensity of plate strengthened roll-in steel body 1 opposite side, in this way, effectively guarantee roll-in steel's bulk mode and rigidity, especially roll-in steel body 1 both sides side intensity, be convenient for other part connection side back atress non-deformable. The structure can meet the strength requirement without integrally forcing (such as increasing the thickness) the rolled steel, thereby effectively realizing the purpose of weight reduction, reducing the overall weight of the battery pack, effectively reducing the steel consumption and saving the cost.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the utility model is not limited by the foregoing, but rather is within the scope of the utility model as long as various modifications are made by the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without modification.
Claims (10)
1. The utility model provides a battery package roll-in steel reinforced structure which characterized in that: including roll-in steel body (1), roll-in steel body (1) is hollow structure, and roll-in steel body (1) is L type structure, and roll-in steel body (1) side sets up a plurality of small-size flutings (2) according to the clearance, and roll-in steel body (1) inside sets up reinforcing plate (3), and reinforcing plate (3) are U font structure, and reinforcing plate (3) one side and the inside one side inner wall welding of roll-in steel body (1), every small-size fluting (2) border and reinforcing plate (3) opposite side welding.
2. The battery pack rolled steel reinforcement structure of claim 1, wherein: reinforcing plate (3) include reinforcing plate first side (4), reinforcing plate bottom (5), reinforcing plate second side (6), reinforcing plate first side (4), reinforcing plate bottom (5), reinforcing plate second side (6) are integrated into one piece structure, reinforcing plate first side (4), reinforcing plate bottom (5), reinforcing plate second side (6) are U font structure, set up a plurality of reinforcement pieces (7) according to the clearance in reinforcing plate (3).
3. The battery pack rolled steel reinforcement structure of claim 2, wherein: the height dimension of the first side edge (4) of the reinforcing plate (3) is larger than that of the second side edge (6) of the reinforcing plate.
4. The battery pack rolled steel reinforcement structure according to claim 1 or 2, characterized in that: the rolled steel body (1) comprises a vertical cavity part (8) and a horizontal cavity part (9), wherein the vertical cavity part (8) and the horizontal cavity part (9) are of a communication structure, the vertical cavity part (8) and the horizontal cavity part (9) are of an L-shaped structure, and the reinforcing plate (3) is welded at the inner position of the vertical cavity part (8).
5. The battery pack rolled steel reinforcement structure of claim 4, wherein: when the reinforcing plate (3) is welded at the inner position of the vertical cavity part (8), the first side edge (4) of the reinforcing plate (3) is attached to the inner wall of one side of the vertical cavity part (8), the second side edge (6) of the reinforcing plate is attached to the inner wall of the other side of the vertical cavity part (8), and the upper edge of the second side edge (6) of the reinforcing plate and the edge of the small slot (2) are located at the same height.
6. The battery pack rolled steel reinforcement structure of claim 2, wherein: the reinforcing plate (3) and the reinforcing sheet (7) are both made of metal materials.
7. The battery pack rolled steel reinforcement structure of claim 6, wherein: the reinforcing sheets (7) are arranged in a plurality of intervals from one end part to the other end part of the reinforcing plate (3).
8. The battery pack rolled steel reinforcement structure of claim 2, wherein: one side of each reinforcing sheet (7) is welded with the inner wall of the first side (4) of the reinforcing plate, the other side of each reinforcing sheet (7) is welded with the inner wall of the second side (6) of the reinforcing plate, and the bottom of each reinforcing sheet (7) is welded with the bottom surface of the bottom (5) of the reinforcing plate.
9. The battery pack rolled steel reinforcement structure of claim 8, wherein: the first side (4) of the reinforcing plate (3) and the inner wall of one side of the inside of the vertical cavity part (8) are welded by adopting resistance welding, and the edge of each small slot (2) and the upper end part of the second side (6) of the reinforcing plate (3) are welded by adopting groove welding.
10. The battery pack rolled steel reinforcement structure according to claim 1 or 2, characterized in that: the length of the reinforcing plate (3) is equal to the length of the rolled steel body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321306252.8U CN220324583U (en) | 2023-05-26 | 2023-05-26 | Battery package roll-in steel reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321306252.8U CN220324583U (en) | 2023-05-26 | 2023-05-26 | Battery package roll-in steel reinforced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220324583U true CN220324583U (en) | 2024-01-09 |
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ID=89419502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321306252.8U Active CN220324583U (en) | 2023-05-26 | 2023-05-26 | Battery package roll-in steel reinforced structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220324583U (en) |
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2023
- 2023-05-26 CN CN202321306252.8U patent/CN220324583U/en active Active
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