CN220710464U - Steel rolled battery shell boundary beam - Google Patents
Steel rolled battery shell boundary beam Download PDFInfo
- Publication number
- CN220710464U CN220710464U CN202322206684.8U CN202322206684U CN220710464U CN 220710464 U CN220710464 U CN 220710464U CN 202322206684 U CN202322206684 U CN 202322206684U CN 220710464 U CN220710464 U CN 220710464U
- Authority
- CN
- China
- Prior art keywords
- cavity
- reinforcing rib
- rib
- steel rolled
- side beam
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 67
- 238000005452 bending Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000005728 strengthening Methods 0.000 claims 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a steel rolled battery shell boundary beam, which is formed by bending a steel strip for a plurality of times through a roller die, and comprises a first cavity, a second cavity and a third cavity, wherein the first cavity and the second cavity are separated by a first reinforcing rib, the first cavity and the third cavity are separated by a third reinforcing rib and a second reinforcing rib, and the second cavity and the third cavity are separated by a third reinforcing rib; the first cavity is a convex rectangle, a trapezoid, a triangle and a special shape; the second cavity is trapezoid, triangle and special-shaped; the cavity III is trapezoid, triangle and special-shaped; the first cavity is formed by surrounding an upper end face I, a side wall I, a reinforcing rib I and a reinforcing rib II; the cavity II is formed by encircling a bottom surface I, a side wall I, a reinforcing rib I and a reinforcing rib III; the cavity III is formed by encircling an upper end face II, a side wall II, a bottom face II and reinforcing ribs III. The utility model comprises a first cavity, a second cavity, a third cavity, a first reinforcing rib and a second reinforcing rib, wherein the reinforcing rib structure can improve the strength and rigidity of the whole section.
Description
Technical Field
The utility model relates to a steel rolled battery shell side beam.
Background
The battery pack is used as a core component of the electric vehicle, the safety of the battery pack is paid attention to, and the battery pack comprises a battery shell, a battery module, a water cooling plate, an electric control unit, an upper shell and the like, wherein the battery shell mainly comprises a battery shell boundary beam, a supporting plate, a cover plate and the like. The battery shell side beam is connected with the battery shell supporting plate, the cover plate and the threshold piece, and the connection is complex, so that the current battery shell side beam is prepared by splicing multi-purpose aluminum profiles. When an automobile collides accidentally, the aluminum profile is likely to deform, but the aluminum alloy frame is weak in bending resistance and poor in deformation resistance, is easy to crack and damage, is low in melting point and is easy to fire or explode, and the personal safety of passengers is seriously damaged; in addition, the aluminum profile has high cost and multiple processing technologies, so that the aluminum battery shell has high cost. Therefore, a battery case material and structure with low cost, high strength and high safety performance are urgently needed for new energy automobile battery cases.
The present utility model has been made in order to solve the above-described problems.
Disclosure of Invention
The utility model aims to provide a steel rolled battery shell side beam.
The above object is achieved by the following technical scheme:
a steel rolled battery shell boundary beam is a rolled section, and the rolled section is formed by bending a steel belt for a plurality of times through a roller die, and comprises a first cavity, a second cavity and a third cavity which are formed by single rolling, wherein the first cavity and the second cavity are separated by a first reinforcing rib, the first cavity and the third cavity are separated by a third reinforcing rib, and the second cavity and the third cavity are separated by a third reinforcing rib.
Further, the first cavity is a protruding rectangle, trapezoid, triangle or special shape.
Furthermore, the second cavity is trapezoid, triangle or special-shaped.
Furthermore, the cavity III is trapezoid, triangle or special-shaped.
Preferably, the first cavity is formed by surrounding the first upper end face, the first side wall, the first reinforcing rib and the second reinforcing rib.
Preferably, the second cavity is formed by the first bottom surface, the first side wall, the first reinforcing rib and the third reinforcing rib.
Preferably, the cavity III is formed by the upper end face II, the side wall II, the bottom face II and the reinforcing ribs in a surrounding mode.
Preferably, the first reinforcing rib extends to form a second free rib, and the first contact point of the second free rib and the first side wall is welded together by adopting a stitch welding process.
Preferably, the second bottom surface extends to form a first free rib, and the second contact point of the first free rib and the third reinforcing rib is welded together by adopting a stitch welding process.
Preferably, the third reinforcing rib is contacted with the second reinforcing rib, and the contact points of the third reinforcing rib and the second reinforcing rib are welded together by adopting a fillet welding process.
The beneficial technical effects are as follows:
1. the utility model comprises a first cavity, a second cavity, a third cavity, a first reinforcing rib and a second reinforcing rib, wherein the reinforcing rib structure can improve the strength and rigidity of the whole section, the three cavities can be designed into different shapes according to the requirement, and can be triangular, trapezoidal, rectangular, special-shaped and the like, the various sections of the cavities can be better adapted to the peripheral boundary parts of the battery case, and meanwhile, the shapes of the cavities can be adjusted according to the requirement, so that the strength and stability of the section can be improved.
2. The first reinforcing rib of the truncated body improves the strength and the bending resistance of the battery shell side beam in the Y direction of the vehicle coordinate, greatly improves the passing of the side column collision rule of the automobile, and the second reinforcing rib and the third reinforcing rib improve the strength and the bending resistance of the battery shell side beam in the Z direction of the vehicle coordinate, so that the downward pressing deformation of the seat to the cross beam is effectively reduced.
3. The rigid material has a larger strength range than that of the aluminum profile, the rigid battery shell side beam can adopt various strength steels according to strength requirements, and the rigid battery shell side beam material has high melting point, high strength, less possibility of damage, fire and explosion when an automobile collides, and higher safety than that of the aluminum alloy side beam; the steel battery shell side beam adopts a roll punching line production structure and process, has no subsequent processing, high efficiency and higher cost.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic view of a steel rolled battery can side beam structure.
Fig. 2 is a schematic cross-sectional view of the first profile of fig. 1.
Fig. 3 is a schematic diagram illustrating the structure of fig. 1.
FIG. 4 is a schematic view of the use of the present utility model.
Fig. 5 is a schematic view of a second cross-sectional structure.
Fig. 6 is a schematic structural diagram of an online punching of a rolling tool.
The reference numerals in the figures are: 1. an upper end surface I; 2. a first side wall; 3. a first bottom surface; 4. a free rib I; 5. a second bottom surface; 6. a second side wall; 7. an upper end surface II; 8. reinforcing ribs III; 9. a second reinforcing rib; 10. a first reinforcing rib; 11. a free rib II; 101. a first contact point; 102. a second contact point; 103. a third contact point; 201. a first cavity; 202. a second cavity; 203. and a cavity III.
Detailed Description
Example 1
Referring to fig. 1-3, the present utility model is directed to a rolled steel battery case boundary beam, which is a rolled section, and the rolled section is formed by bending a steel strip through a roller die for multiple times, and includes a first cavity 201, a second cavity 202 and a third cavity 203, wherein the first cavity 201 is a convex rectangle, a trapezoid, a triangle, a special shape, etc., the second cavity 202 is a trapezoid, a triangle, a special shape, etc., and the third cavity 203 is a trapezoid, a triangle, a special shape, etc.
The shape of the first cavity 201, the second cavity 202 and the third cavity 203 can be changed into triangle, trapezoid, special-shaped and the like according to requirements, the structural change is various, the structure can adapt to various boundaries, the strength is increased, and the structural strength and the stability are improved.
The section is formed by adopting a roll punching process, and subsequent processing under a line is not needed, so that the section has the advantages of simple working procedure, low cost and the like.
The steel section is adopted, and compared with the aluminum section under the same performance, the aluminum section has the advantages of high strength, small thickness, high melting point, high safety and the like.
The first cavity 201 is formed by surrounding an upper end face 1, a side wall 2, a first reinforcing rib 10 and a second reinforcing rib 9; the cavity II 202 is formed by encircling a bottom surface I3, a side wall I2, a reinforcing rib I10 and a reinforcing rib III 8; the third cavity 203 is surrounded by the second upper end surface 7, the second side wall 6, the second bottom surface 5 and the third reinforcing rib 8.
The first cavity 201 and the second cavity 202 are separated by the first reinforcing rib 10 of the middle reinforcing transverse rib to form two cavities, the first cavity 201 and the third cavity 203 are separated by the third reinforcing rib 8 and the second reinforcing rib 9, and the second cavity 202 and the third cavity 203 are separated by the third reinforcing rib 8, wherein various shape features can be arranged on the side walls of the first cavity 201, the second cavity 202 and the third cavity 203.
Referring to fig. 4, a plurality of steel roll-in battery case boundary beam cavities three 203 are connected together end to end inwards, and the cover plate presents a concave platform one through the protruding feature of the cavity one 201 and the cavity three 203, so that the battery case cover plate can be conveniently installed, the size of the concave platform can be adjusted through the size of the cover plate in an adapting way, specifically, as shown by an arrow above the steel roll-in battery case boundary beam in the figure, the cover plate is placed on the cavity three 203 and is positioned mainly through an upper end face two 7 and a reinforcing rib two 9.
The free rib I4 close to the cavity II 202 and the cavity III 203 form a concave platform II, so that the battery shell bottom plate can be conveniently matched and installed, and specifically, as shown by an arrow below a steel rolled battery shell side beam in the figure, the supporting plate is placed below the cavity III 203, and the installation and the positioning of the battery shell supporting plate are mainly realized through the free rib I4 and the bottom surface II 5 through the cavity II 202 and the cavity III 203.
The Y-direction strength and the bending resistance of the first cavity 201 and the second cavity 202 are effectively improved through the first reinforcing rib 10, the Z-direction strength and the bending resistance of the steel rolled battery shell side beam are effectively improved through the second reinforcing rib 9 and the third reinforcing rib 8, and the strength in the two directions of Y, Z is simultaneously enhanced by one section.
The steel belt used by the body can be pre-punched with various mounting holes 12, and other accessories of the battery case and the like can be mounted at the positions of the mounting holes 12 after roll forming; referring to fig. 6, the mounting holes B on the battery case side beams are prevented from being machined under the roll punching line, and the machining efficiency is improved. The steel section mainly solves the problems of low safety performance, low strength, high cost and the like of aluminum profiles in the prior art, and provides a high Jiang Ganggun profiled material battery shell bracket boundary beam structure for adapting to the light development requirement of new energy automobiles.
The first reinforcing rib 10 extends to form a second free rib 11, and the first contact point 101 of the second free rib 11 and the first side wall 2 is welded together by adopting a stitch welding process.
The second bottom surface 5 extends to form a first free rib 4, and a second contact point 102 of the first free rib 4 and the third reinforcing rib 8 is welded together by adopting a stitch welding process.
The third reinforcing rib 8 is contacted with the second reinforcing rib 9, and the third contact point 103 is welded together by adopting a fillet welding process. And (3) forming the single rolled section into a firm section by welding.
The first reinforcing rib 10 is arranged in the direction of an automobile coordinate Y, the passing of automobile side collision regulations is improved, the third vertical reinforcing rib 8 and the second reinforcing rib 9 are arranged in the direction of an automobile coordinate Z, and the seat support is effectively improved.
The utility model adopts a brand new relatively complex winding method, and by the winding method, the first reinforcing rib 10 of the vehicle coordinate Y direction is added, thereby being beneficial to improving the side collision strength of the vehicle, the second reinforcing rib 9 is added, improving the strength and the bending resistance of the battery shell side beam in the vehicle coordinate Z direction, effectively reducing the pressing deformation of the seat to the cross beam, and realizing the strength in two directions of Y, Z by using one cut-off type.
The utility model adopts the steel section, has simple single structure, does not need cutting-shaped splice welding repair welding and the like, forms three cavities by two drop welding and one corner welding, has novel structure, high strength and strong practicability, and realizes the structural requirement of replacing complex aluminum section.
Example 2
Referring to fig. 5, another sectional structure is provided, in comparison with embodiment 1, the first cavity 201 is higher than the third cavity 203, and a part of the first cavity 201 is located above the third cavity 203, and the first cavity 201 and the third cavity 203 have no contact point and no welding point.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a steel roll-in battery case boundary beam which characterized in that: for the roll-in section bar, the roll-in section bar is formed by bending steel strip many times through the running roller mould, including single roll-in section type cavity one (201), cavity two (202) and cavity three (203), cavity one (201), cavity two (202) are separated by strengthening rib one (10), and cavity one (201), cavity three (203) are separated by strengthening rib three (8), strengthening rib two (9), and cavity two (202), cavity three (203) are separated by strengthening rib three (8).
2. The steel rolled battery can side beam of claim 1, wherein: the first cavity (201) is a protruding rectangle, trapezoid or triangle.
3. The steel rolled battery can side beam of claim 2, wherein: the second cavity (202) is trapezoid or triangle.
4. A steel rolled battery can side beam as defined in claim 3, wherein: the cavity III (203) is trapezoid or triangle.
5. The steel rolled battery can side beam of claim 4, wherein: the first cavity (201) is formed by surrounding an upper end face I (1), a side wall I (2), a reinforcing rib I (10) and a reinforcing rib II (9).
6. The steel rolled battery can side beam of claim 5, wherein: the second cavity (202) is formed by encircling a first bottom surface (3), a first side wall (2), a first reinforcing rib (10) and a third reinforcing rib (8).
7. The steel rolled battery can side beam of claim 6, wherein: the cavity III (203) is surrounded by an upper end face II (7), a side wall II (6), a bottom face II (5) and a reinforcing rib III (8).
8. The steel rolled battery can side beam of claim 7, wherein: the first reinforcing rib (10) extends to form a second free rib (11), and a first contact point (101) of the second free rib (11) and the first side wall (2) is welded together by adopting a stitch welding process.
9. The steel rolled battery can side beam of claim 8, wherein: the second bottom surface (5) extends to form a first free rib (4), and a second contact point (102) of the first free rib (4) and the third reinforcing rib (8) is welded together by adopting a stitch welding process.
10. The steel rolled battery can side beam of claim 9, wherein: the third reinforcing rib (8) is contacted with the second reinforcing rib (9), and the third contact point (103) is welded together by adopting an fillet welding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322206684.8U CN220710464U (en) | 2023-08-16 | 2023-08-16 | Steel rolled battery shell boundary beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322206684.8U CN220710464U (en) | 2023-08-16 | 2023-08-16 | Steel rolled battery shell boundary beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220710464U true CN220710464U (en) | 2024-04-02 |
Family
ID=90442688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322206684.8U Active CN220710464U (en) | 2023-08-16 | 2023-08-16 | Steel rolled battery shell boundary beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220710464U (en) |
-
2023
- 2023-08-16 CN CN202322206684.8U patent/CN220710464U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110203284B (en) | Hollow cast aluminum and aluminum section bar welded auxiliary frame | |
| CN213936400U (en) | Rolled section bar, battery pack framework and battery pack | |
| CN109461855A (en) | T02 type aluminum battery case processing technology | |
| CN110977337B (en) | Production method of battery tray for new energy electric automobile | |
| CN220710464U (en) | Steel rolled battery shell boundary beam | |
| CN215070273U (en) | Boundary beam | |
| CN112038525B (en) | Anti-extrusion battery lower box body and preparation method thereof | |
| CN112599915A (en) | Box structure under square battery | |
| CN212085102U (en) | Battery box of disconnect-type water-cooling board | |
| CN111063854A (en) | Soft-package battery module and laser welding method for tabs of soft-package battery module | |
| CN217134526U (en) | Section bar for battery pack, lower box frame, battery pack and electric device | |
| CN116544590B (en) | Ultrahigh-strength new energy automobile battery tray and production process thereof | |
| CN218039529U (en) | Steel battery case boundary beam | |
| CN110588792A (en) | Frame-type aluminum alloy section bar front end module structure suitable for electric motor car | |
| CN216684611U (en) | New energy automobile front end frame construction | |
| CN219584297U (en) | Car body A column structure and vehicle | |
| CN220753609U (en) | New energy battery support and battery pack | |
| CN220692186U (en) | Lower box of battery and battery pack | |
| CN216608826U (en) | Battery box mounting bracket frock | |
| CN220809114U (en) | Battery pack mounting structure and mobile device | |
| CN215662916U (en) | Power battery box welded structure | |
| CN216886522U (en) | Mounting structure of positioning controller | |
| CN214868329U (en) | Motor suspension mounting panel welding frock | |
| CN217320278U (en) | Lightweight truck front bumper | |
| CN220315109U (en) | Welded joint, frame subassembly and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |