CN220138528U - Quick plug-in type battery pack frame structure manufactured by high-pressure bulging process - Google Patents
Quick plug-in type battery pack frame structure manufactured by high-pressure bulging process Download PDFInfo
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- CN220138528U CN220138528U CN202321190477.1U CN202321190477U CN220138528U CN 220138528 U CN220138528 U CN 220138528U CN 202321190477 U CN202321190477 U CN 202321190477U CN 220138528 U CN220138528 U CN 220138528U
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- side beams
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a rapid plug-in type battery pack frame structure manufactured by utilizing a high-pressure bulging process, wherein a plurality of tube beams and connecting pieces are manufactured by utilizing the high-pressure bulging process, so that the connection precision and strength among different parts can be ensured, the frame can be integrally and rapidly plug-in combined by combining a mortise and tenon structure, the problems of welding spots, lack of welding, missing of welding and the like which are caused by the welding process in the conventional battery pack frame manufacturing are thoroughly avoided, the manufacturing process is simplified, and the labor cost is reduced. The structural strength is improved, so that the materials of different parts are more flexible to select, for example, high-strength steel or super-high-strength steel with higher strength can be selected for the transverse side beams and the corner connecting pieces, and lighter aluminum materials can be selected for the longitudinal side beams and the inner cross beams, so that the overall strength is not reduced, the light weight purpose is achieved, and the structural frame has higher cost advantage compared with an all-aluminum structural frame.
Description
Technical Field
The utility model belongs to the technical field of power battery pack mounting parts for vehicles, and particularly relates to a rapid plug-in type battery pack frame structure manufactured by a high-pressure bulging process.
Background
At present, a power battery pack serving as a main power source of the current new energy automobile generally has the characteristics of large occupied space and high weight, and is required to be supported and fixed by matching with a corresponding frame when the chassis of the automobile is arranged, and a firm battery pack frame structure also plays a role in protecting the battery pack in low-strength collision. The existing battery pack frame is manufactured by adopting a manufacturing mode of firstly punching or casting prefabricated tubular beams and then welding and combining, more welding spots are not beneficial to improving the structural strength, the conditions of lack of welding, missing welding and the like can have negative influence on the strength, and the high temperature during welding can also lead to deformation of parts, so that the installation accuracy of structural members is influenced, and meanwhile, the labor cost in the manufacturing process is difficult to reduce. Therefore, how to improve the frame structure of the battery pack, while improving the strength and reducing the manufacturing cost is an urgent technical problem to be solved in the art.
Disclosure of Invention
In view of the above, the utility model provides a rapid plug-in type battery pack frame structure manufactured by a high-pressure bulging process, which consists of 2 transverse side beams, 2 longitudinal side beams, 4 corner connectors and a plurality of inner cross beams;
wherein the transverse side beams and the longitudinal side beams enclose an outer frame of the battery pack frame structure, the corner connecting pieces are positioned at four corners of the outer frame and are used for fixedly connecting the transverse side beams and the longitudinal side beams; the inner cross beams are arranged in the outer frame in parallel;
the surface of the longitudinal side beam, which faces the inner side of the outer frame, is provided with an opening flanging structure for accommodating and fixing two ends of the inner cross beam; the positions and the number of the opening flanging structures are corresponding to those of the inner cross beams;
the transverse side beam, the longitudinal side beam and the corner connecting piece are all manufactured into a hollow tubular structure through a high-pressure bulging process, the cross section of the tubular structure is in a step shape with a narrower upper part and a wider lower part, and a plurality of bolt bushing through holes for fixing with a vehicle chassis are formed in the wider lower part; the open flanging structure on the longitudinal side beam is specifically obtained by expanding the convex characteristic on the basis of the high-pressure bulging process and then performing a cutting procedure;
the opening flanging structure and the two ends of the inner cross beam are respectively formed into a mortise and tenon structure matched with each other between the corner connecting piece and the ends of the connected cross beam and the longitudinal side beam.
Further, the longitudinal side beams and the inner cross beams are made of aluminum, high-strength steel or ultra-high-strength steel materials, and the transverse side beams and the corner connectors are made of high-strength steel or ultra-high-strength steel materials.
Further, at the joint surface of the mortise and tenon joint structure, structural adhesive and/or repair welding are/is smeared to improve connection firmness.
Further, the bulging medium of the high-pressure bulging process is specifically selected from a gas medium or a liquid medium.
The rapid plug-in type battery pack frame structure manufactured by the high-pressure bulging process provided by the utility model has the advantages that the plurality of tube beams and the connecting pieces are manufactured by the high-pressure bulging process, the connection precision and strength among different parts can be ensured, the frame can be integrally and rapidly plug-in combined by combining the mortise and tenon structure, the problems of welding spots, lack of welding, missing of welding and the like which are caused by the welding process in the conventional battery pack frame manufacturing are thoroughly avoided, the manufacturing process is simplified, and the labor cost is reduced. The structural strength is improved, so that the materials of different parts are more flexible to select, for example, high-strength steel or super-high-strength steel with higher strength can be selected for the transverse side beams and the corner connecting pieces, and lighter aluminum materials can be selected for the longitudinal side beams and the inner cross beams, so that the overall strength is not reduced, the light weight purpose is achieved, and the structural frame has higher cost advantage compared with an all-aluminum structural frame.
Drawings
Fig. 1 is a general structural view of a frame structure of a battery pack according to the present utility model;
FIG. 2 is a schematic view of a partially connected assembly of components in a frame structure of a battery pack;
fig. 3 (a) and 3 (b) are schematic views of a preferred construction of the longitudinal side rail and its upper tube sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The terms of high-strength steel, ultra-high-strength steel and the like related to the utility model have common meanings in the manufacturing and processing fields and the material fields, and those skilled in the art should know the terms, so that the terms are not repeated here.
The utility model provides a rapid plug-in type battery pack frame structure manufactured by a high-pressure bulging process, which is shown in figures 1 and 2 and consists of 2 transverse side beams 4, 2 longitudinal side beams 1,4 corner connectors 3 and a plurality of inner cross beams 2;
wherein the transverse side beams and the longitudinal side beams enclose an outer frame of the battery pack frame structure, the corner connecting pieces are positioned at four corners of the outer frame and are used for fixedly connecting the transverse side beams and the longitudinal side beams; the inner cross beams are arranged in the outer frame in parallel;
as shown in fig. 3 (a) and 3 (b), the inner side surface of the longitudinal side beam facing the outer frame is provided with an opening flanging structure 5 for accommodating and fixing two ends of the inner cross beam; the positions and the number of the opening flanging structures are corresponding to those of the inner cross beams;
the transverse side beam, the longitudinal side beam and the corner connecting piece are all manufactured into a hollow tubular structure through a high-pressure bulging process, the cross section of the tubular structure is in a step shape with a narrower upper part and a wider lower part, and a plurality of bolt bushing through holes for fixing with a vehicle chassis are formed in the wider lower part; the open flanging structure on the longitudinal side beam is specifically obtained by expanding the convex characteristic on the basis of the high-pressure bulging process and then performing a cutting procedure;
the opening flanging structure and the two ends of the inner cross beam are respectively formed into a mortise and tenon structure matched with each other between the corner connecting piece and the ends of the connected cross beam and the longitudinal side beam.
In the preferred embodiment of the utility model, the longitudinal side beams and the inner cross beams are made of aluminum, high-strength steel or ultra-high-strength steel materials, and the cross side beams and the corner connectors are made of high-strength steel or ultra-high-strength steel materials.
And at the joint surface of the mortise and tenon structure, structural adhesive and/or repair welding are/is smeared to improve the connection firmness.
The bulging medium of the high-pressure bulging process is specifically selected from a gas medium or a liquid medium.
It should be understood that, the sequence number of each step in the embodiment of the present utility model does not mean that the execution sequence of each process should be determined by the function and the internal logic of each process, and should not limit the implementation process of the embodiment of the present utility model.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A fast plug-in type battery pack frame structure manufactured by utilizing a high-pressure bulging process is characterized in that: the device consists of 2 transverse side beams, 2 longitudinal side beams, 4 corner connectors and a plurality of inner cross beams;
wherein the transverse side beams and the longitudinal side beams enclose an outer frame of the battery pack frame structure, the corner connecting pieces are positioned at four corners of the outer frame and are used for fixedly connecting the transverse side beams and the longitudinal side beams; the inner cross beams are arranged in the outer frame in parallel;
the surface of the longitudinal side beam, which faces the inner side of the outer frame, is provided with an opening flanging structure for accommodating and fixing two ends of the inner cross beam; the positions and the number of the opening flanging structures are corresponding to those of the inner cross beams;
the transverse side beam, the longitudinal side beam and the corner connecting piece are all manufactured into a hollow tubular structure through a high-pressure bulging process, the cross section of the tubular structure is in a step shape with a narrower upper part and a wider lower part, and a plurality of bolt bushing through holes for fixing with a vehicle chassis are formed in the wider lower part; the opening flanging structure is specifically characterized by high-pressure bulging protruding characteristics after being cut on the longitudinal side beam;
the opening flanging structure and the two ends of the inner cross beam are respectively formed into a mortise and tenon structure matched with each other between the corner connecting piece and the ends of the connected cross beam and the longitudinal side beam.
2. The battery pack frame structure of claim 1, wherein: the longitudinal side beams and the inner cross beams are made of aluminum, high-strength steel or ultra-high-strength steel materials, and the transverse side beams and the corner connectors are made of high-strength steel or ultra-high-strength steel materials.
3. The battery pack frame structure of claim 1, wherein: and at the joint surface of the mortise and tenon structure, structural adhesive and/or repair welding are/is smeared to improve the connection firmness.
4. The battery pack frame structure of claim 1, wherein: the bulging medium of the high-pressure bulging process is specifically selected from a gas medium or a liquid medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190477.1U CN220138528U (en) | 2023-05-17 | 2023-05-17 | Quick plug-in type battery pack frame structure manufactured by high-pressure bulging process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190477.1U CN220138528U (en) | 2023-05-17 | 2023-05-17 | Quick plug-in type battery pack frame structure manufactured by high-pressure bulging process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138528U true CN220138528U (en) | 2023-12-05 |
Family
ID=88963233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321190477.1U Active CN220138528U (en) | 2023-05-17 | 2023-05-17 | Quick plug-in type battery pack frame structure manufactured by high-pressure bulging process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138528U (en) |
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2023
- 2023-05-17 CN CN202321190477.1U patent/CN220138528U/en active Active
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