CN111785876A - Power battery package box structure - Google Patents
Power battery package box structure Download PDFInfo
- Publication number
- CN111785876A CN111785876A CN202010574922.9A CN202010574922A CN111785876A CN 111785876 A CN111785876 A CN 111785876A CN 202010574922 A CN202010574922 A CN 202010574922A CN 111785876 A CN111785876 A CN 111785876A
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- China
- Prior art keywords
- power battery
- crossbeam
- boss
- bending edge
- vertical beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a power battery box packing body structure applied to the technical field of power batteries, wherein a cross beam bending edge (4) is arranged on the side surface of a cross beam (2) of the power battery box packing body structure, a vertical beam bending edge (5) is arranged on the side surface of a vertical beam (3), an opening (6) is arranged on the vertical beam bending edge (5), a boss (7) is arranged at the end part of the cross beam bending edge (4), when the cross beam (2) is connected with the vertical beam (3), each boss (7) is arranged to be in a structure which can be clamped in a corresponding opening (6), the power battery packing box body structure is simple in structure, by improving the structure and the connection mode of the cross beam and the vertical beam of the box body, the reliable connection between the cross beam and the vertical beam is ensured, the process welding strength is improved, and no welding seam is formed on one side of the contact close to the shell, so that the overall quality of the box body is improved, and the welding production efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of power batteries, and particularly relates to a power battery pack box structure.
Background
The electric automobile has the advantages of low noise, high running stability, zero emission and the like, and has positive significance for maintaining national energy safety, reducing exhaust emission, promoting the development of automobile industry and further ensuring social sustainable development. Along with the gradual popularization of electric vehicles, the demand of energy density of a battery system is higher and higher, the improvement of the energy density of a battery core enters the bottleneck, the weight reduction of a power battery pack structure is more urgent, and the strength of the battery pack structure needs to be ensured while the weight of the battery pack structure is reduced. In the prior art, a box body structure of a battery pack (power battery), a box body beam of the power battery pack is in surface contact, surfacing is adopted at a contact vertical surface, the welding strength of the process is low, and a welding seam is easy to touch a battery core, so that the process is difficult to control production and poor in consistency.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the power battery pack box body structure is simple in structure, the structure and the connection mode of the cross beam and the vertical beam of the box body are improved, the cross beam and the vertical beam are reliably connected, the process welding strength is improved, no welding seam is formed on one side, close to the shell, of the box body in contact, the overall quality of the box body is improved, and the welding production efficiency is improved.
To solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a power battery box body structure which comprises a box body, a cross beam and a vertical beam, wherein the side surface of the cross beam is provided with a cross beam bending edge, the side surface of the vertical beam is provided with a vertical beam bending edge, the vertical beam bending edge is provided with an opening, the end part of the cross beam bending edge is provided with a boss, and when the cross beam is connected with the vertical beam, each boss is arranged to be in a structure capable of being clamped in a corresponding opening.
When each boss is clamped in a corresponding opening, a structure capable of forming a welding part is arranged between the boss and the corresponding bending edge of the vertical beam.
Multichannel crossbeam and multichannel are erected the roof beam and are set up to the structure that can form the box of frame shape, set up the casing in the box, set up electric core in the casing.
The crossbeam include crossbeam body and two crossbeam limit of buckling, the crossbeam body sets up to be the structure of U font with two crossbeam limit of buckling.
Erect the roof beam including erecting roof beam body and two perpendicular roof beams limit of buckling, erect roof beam body and two perpendicular roof beams limit of buckling and set up to the structure that is the U font.
The boss on the transverse beam bending edge of one transverse beam is clamped in the opening on the vertical beam bending edge of each vertical beam, and the boss on the transverse beam bending edge of the other transverse beam is clamped in the opening on the vertical beam bending edge of each vertical beam.
The shell comprises a shell body and a shell cover body.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
according to the power battery pack box body structure, the structures of the cross beams and the vertical beams are respectively improved, so that when a box body is formed by welding a plurality of cross beams and a plurality of vertical beams, the boss on the bending edge of each cross beam is clamped into the opening formed in the bending edge 5 of the vertical beam of the corresponding vertical beam, the cross beam and the corresponding vertical beam are accurately and reliably positioned, and then the part, inserted through the opening, of the boss is welded to form a welding part, so that the cross beam and the corresponding vertical beam are reliably connected. With this structure, the welding part is hidden and does not protrude outward. And in the process that the plurality of cross beams and the plurality of vertical beams are welded to form the box body, the box body of the frame structure is formed, the shell is positioned in the box body, and the electric core is arranged in the shell. The power battery pack box body structure is simple in structure, reliable connection between the cross beam and the vertical beam is ensured by improving the structures and connection modes of the cross beam and the vertical beam of the box body, the process welding strength is improved, no welding seam is formed on one side of the box body close to the shell in contact, the overall quality of the box body is improved, and the welding production efficiency is improved.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic structural view of a power battery pack case structure according to the present invention;
FIG. 2 is a schematic diagram of a partially enlarged structure of a power battery pack case structure according to the present invention;
FIG. 3 is a schematic side view of a cross beam of the power battery pack case structure according to the present invention;
FIG. 4 is a schematic side view of a vertical beam of the power battery pack case structure according to the present invention;
in the drawings, the reference numbers are respectively: 1. a box body; 2. a cross beam; 3. erecting a beam; 4. bending edges of the cross beam; 5. bending edges of the vertical beams; 6. opening a hole; 7. a boss; 8. welding the part; 9. a housing; 10. a beam body; 11. a vertical beam body.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
as shown in the attached drawings 1-4, the invention relates to a power battery box body structure, which comprises a box body 1, a cross beam 2 and a vertical beam 3, wherein the side surface of the cross beam 2 is provided with a cross beam bending edge 4, the side surface of the vertical beam 3 is provided with a vertical beam bending edge 5, the vertical beam bending edge 5 is provided with an opening 6, the end part of the cross beam bending edge 4 is provided with a boss 7, when the cross beam 2 is connected with the vertical beam 3, each boss 7 is arranged to be a structure capable of being clamped in a corresponding opening 6, and when each boss 7 is clamped in a corresponding opening 6, a structure capable of forming a welding part 8 is arranged between the boss 7 and the corresponding vertical beam bending edge 5. Above-mentioned structure, the structure to crossbeam 2 and perpendicular roof beam 3 improves respectively, make when forming box 1 through a plurality of crossbeams 2 and a plurality of welding of perpendicular roof beam 3, boss 7 on every crossbeam 2's crossbeam is buckled the limit 4 clamps earlier in the trompil 6 that sets up on the limit 5 is buckled to the perpendicular roof beam of a corresponding perpendicular roof beam 3, realize crossbeam 2 and the accurate reliable location of the perpendicular roof beam 3 that corresponds, then, the position of trompil is inserted to the boss and is welded, form the welding part, realize the reliable connection of crossbeam and the perpendicular roof beam that corresponds. With this structure, the welding part is hidden and does not protrude outward. And in the process that the plurality of cross beams and the plurality of vertical beams are welded to form the box body, the box body of the frame structure is formed, the shell is positioned in the box body, and the electric core is arranged in the shell. According to the power battery pack box body structure, the structures and the connection modes of the cross beam and the vertical beam of the box body are improved, so that the cross beam and the vertical beam are reliably connected, the process welding strength is improved, no welding seam is formed on one side close to the shell in contact, the integral quality of the box body is improved, and the welding production efficiency is improved.
Crossbeam 2 include crossbeam body 10 and two crossbeams limit 4 of buckling, crossbeam body 10 and two crossbeams limit 4 of buckling set up to be the structure of U font. Erect roof beam 3 including erecting roof beam body 11 and two perpendicular roof beams limit 5 of buckling, erect roof beam body 11 and two perpendicular roof beams limit 5 of buckling and set up to be the structure of U font. When the structure is used for welding, the beam body of each beam is attached to the shell, each beam bending part is located on the outer side and perpendicular to the beam body, the vertical beam body of each vertical beam is attached to the shell, and each vertical beam bending part is located on the outer side and perpendicular to the vertical beam body. Like this for after forming the welding part, the welding part is located the quantity body outside, can not contact the casing, and the joint and the welding of boss and trompil realize the crossbeam and correspond the reliable welding of perpendicular roof beam.
A boss 7 of the beam bending edge 4 of one beam 2 is clamped in an opening 6 of one vertical beam bending edge 5 of each vertical beam 3, and a boss 7 of the beam bending edge 4 of the other beam 2 is clamped in an opening 6 of the other vertical beam bending edge 5 of each vertical beam 3. The housing 9 includes a housing body and a housing cover. Above-mentioned structure, the casing lid is used for opening, and the electric core of being convenient for is got and is put.
According to the power battery pack box body structure, the structures of the cross beams and the vertical beams are respectively improved, so that when a box body is formed by welding a plurality of cross beams and a plurality of vertical beams, the boss on the bending edge of each cross beam is clamped into the opening formed in the bending edge 5 of the vertical beam of the corresponding vertical beam, the cross beam and the corresponding vertical beam are accurately and reliably positioned, and then the part, inserted through the opening, of the boss is welded to form a welding part, so that the cross beam and the corresponding vertical beam are reliably connected. With this structure, the welding part is hidden and does not protrude outward. And in the process that the plurality of cross beams and the plurality of vertical beams are welded to form the box body, the box body of the frame structure is formed, the shell is positioned in the box body, and the electric core is arranged in the shell. The power battery pack box body structure is simple in structure, reliable connection between the cross beam and the vertical beam is ensured by improving the structures and connection modes of the cross beam and the vertical beam of the box body, the process welding strength is improved, no welding seam is formed on one side of the box body close to the shell in contact, the overall quality of the box body is improved, and the welding production efficiency is improved.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the invention, and its application to other applications without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a power battery package box structure which characterized in that: including box (1), crossbeam (2), erect roof beam (3), crossbeam (2) side sets up crossbeam limit (4) of buckling, erects roof beam (3) side and sets up and erect roof beam limit (5) of buckling, erects the roof beam and buckle and set up trompil (6) on limit (5), and crossbeam limit (4) tip of buckling sets up boss (7), and when crossbeam (2) was connected with erecting roof beam (3), every boss (7) set up to the structure that can clamp in a trompil (6) that corresponds.
2. The power battery pack box structure of claim 1, wherein: when each boss (7) is clamped in a corresponding opening (6), a structure capable of forming a welding part (8) is arranged between the boss (7) and the corresponding vertical beam bending edge (5).
3. The power battery pack case structure according to claim 1 or 2, wherein: multichannel crossbeam (2) and multichannel erect roof beam (3) and set up to the structure that can form frame shape box (1), set up casing (9) in box (1), set up electric core in casing (9).
4. The power battery pack case structure according to claim 1 or 2, wherein: crossbeam (2) buckle limit (4) including crossbeam body (10) and two crossbeams, crossbeam body (10) and two crossbeams buckle limit (4) set up to be the structure of U font.
5. The power battery pack box structure of claim 4, wherein: erect roof beam (3) including erecting roof beam body (11) and two perpendicular roof beam limit (5) of buckling, erect roof beam body (11) and two perpendicular roof beam limit (5) of buckling set up to be the structure of U font.
6. The power battery pack box structure of claim 5 or the power battery pack box structure comprises: the boss (7) of the beam bending edge (4) of one beam (2) is clamped in the opening (6) of one vertical beam bending edge (5) of each vertical beam (3), and the boss (7) of the beam bending edge (4) of the other beam (2) is clamped in the opening (6) of the other vertical beam bending edge (5) of each vertical beam (3).
7. The power battery pack box structure of claim 3, wherein: the shell (9) comprises a shell body and a shell cover body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010574922.9A CN111785876A (en) | 2020-06-22 | 2020-06-22 | Power battery package box structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010574922.9A CN111785876A (en) | 2020-06-22 | 2020-06-22 | Power battery package box structure |
Publications (1)
Publication Number | Publication Date |
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CN111785876A true CN111785876A (en) | 2020-10-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010574922.9A Pending CN111785876A (en) | 2020-06-22 | 2020-06-22 | Power battery package box structure |
Country Status (1)
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CN (1) | CN111785876A (en) |
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2020
- 2020-06-22 CN CN202010574922.9A patent/CN111785876A/en active Pending
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