CN211858719U - Anti-extrusion battery pack box body, battery pack and vehicle - Google Patents
Anti-extrusion battery pack box body, battery pack and vehicle Download PDFInfo
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- CN211858719U CN211858719U CN202020432020.7U CN202020432020U CN211858719U CN 211858719 U CN211858719 U CN 211858719U CN 202020432020 U CN202020432020 U CN 202020432020U CN 211858719 U CN211858719 U CN 211858719U
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- box body
- battery pack
- reinforcing plate
- extrusion
- box
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- 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
Abstract
The utility model provides an anti-extrusion battery pack box body, which comprises a box body main body for accommodating a battery and a reinforcing plate, wherein the reinforcing plate is detachably arranged on the side wall of the box body main body; the reinforcing plate is provided with at least one first part, at least one second part and a connecting part, the first part and the second part are arranged at intervals, the connecting part is connected with the first part and the second part which are connected, and the vertical distance between the second part and the side wall of the box body is smaller than that between the first part and the side wall of the box body. The utility model discloses a lateral wall at the battery package box sets up the reinforcing plate, has reinforceed box lateral wall global rigidity and intensity, and the anti extrusion performance of box when the side extrusion force of satisfying the battery package box is very big, first portion and second portion are different with the distance on box surface for first portion, second portion form the structure on the coplanar not, have improved the bending resistance of reinforcing plate.
Description
Technical Field
The utility model relates to an automobile battery technical field, in particular to anti extrusion battery package box, battery package and vehicle.
Background
At present, new energy automobiles are rapidly popularized in the world, and the safety of a battery pack becomes a key restriction factor for the safety of the new energy automobiles to be accepted by the market and the trust of customers.
The battery pack box body is a safety barrier of the battery pack and is a key component for ensuring the safety of the battery pack under the working conditions of normal operation, collision, rolling, falling and the like of an automobile. In order to evaluate the safety of the battery pack box body, the extrusion working condition of the battery pack side column is specially set. In the side extrusion working condition of the battery pack box body, the smaller the deformation of the box body is, the smaller the battery invasion amount is, the smaller the thermal runaway risk of the battery pack is, and the safer the battery pack is.
In order to improve the lateral extrusion resistance of the box body, the battery pack box body on the current market is provided with a transverse reinforcing rib and a vertical reinforcing rib on the side wall of the box body so as to improve or meet the requirement of the battery intrusion amount when the battery pack is laterally extruded. However, when the battery pack placement position is located near the entire vehicle exterior (e.g., rear bumper, side wall), the side pressing force of the battery pack case is multiplied. At this time, the design of the structural features of the side wall of the front case body cannot meet the requirement of the intrusion amount of the battery when the battery pack is laterally squeezed.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide an anti-extrusion battery package box, battery package and vehicle, which can solve the problem that the battery invasion amount requirement can not be met when the battery package is extruded laterally.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
an anti-extrusion battery pack box comprises a box body main body for containing a battery and a reinforcing plate, wherein the reinforcing plate is detachably arranged on the side wall of the box body main body; the reinforcing plate is provided with at least one first part, at least one second part and a connecting part, the first part and the second part are arranged at intervals, the connecting part is connected with the first part and the second part, and the vertical distance between the second part and the side wall of the box body is smaller than that between the first part and the side wall of the box body.
Further, the lateral wall of box main part is equipped with the installation department, reinforcing plate demountable installation in the installation department.
Further, the anti-extrusion battery pack box body further comprises a connecting piece, and the reinforcing plate is connected with the mounting portion through the connecting piece.
Further, the connecting piece is a screw, and the reinforcing plate is connected with the mounting part through the screw.
Further, the first portion and the second portion are integrally formed with the connecting portion.
Further, the reinforcing plate is of an S-shaped structure as a whole.
Furthermore, the reinforcing plate is of a bow-shaped structure as a whole.
Furthermore, reinforcing ribs are arranged on the side wall of the box body main body and positioned between the box body and the reinforcing plate; the height of reinforcing plate equals the height of box main part, the top demountable installation of box main part has the apron.
Correspondingly, the invention further provides a battery pack, which comprises the anti-extrusion battery pack box body, wherein the battery is installed in the box body main body.
Correspondingly, the invention further provides a vehicle comprising the battery pack.
Adopt above-mentioned technical scheme, have following beneficial effect:
1) the utility model has the advantages that the side wall of the battery pack box body is provided with the reinforcing plate, so that the integral rigidity and strength of the side wall of the box body are enhanced, the anti-extrusion performance of the box body is met when the side extrusion force of the battery pack box body is extremely large, and the safety problem that the battery thermal runaway is caused due to the fact that the box body is extruded and deformed to invade the battery is solved;
2) the first part and the second part are arranged on the reinforcing plate, and the distances between the first part and the surface of the box body are different from the distances between the second part and the surface of the box body, so that the first part and the second part form a structure which is not on the same plane, and the bending resistance of the reinforcing plate is improved;
3) the utility model discloses a set up highly equal to of reinforcing plate the height of box main part, atress when can reducing the box extrusion warp.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an exploded view of an anti-extrusion battery pack case of the present invention;
fig. 2 is a schematic view of an anti-extrusion battery pack case of the present invention;
fig. 3 is a side view of an anti-extrusion battery pack case of the present invention;
fig. 4 is a partial cross-sectional view of the anti-extrusion battery pack case of the present invention.
The following is a supplementary description of the drawings:
10. a box body main body; 11. an installation part; 20. a reinforcing plate; 21. a screw; 22. a second section; 23. a first portion.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
As shown in fig. 1 to 4, an anti-crush battery pack case includes a case body 10 for accommodating a battery, a connector, and a reinforcing plate 20. The reinforcing plate 20 is detachably mounted to the side wall of the cabinet body 10 by a connector.
Preferably, the box body 10 is open at the top, and a cover plate is detachably mounted on the box body 10. Specifically, the cover plate is screwed to the case body 10.
Preferably, the side wall of the case body 10 is provided with a mounting portion 11, and the reinforcing plate 20 is detachably mounted to the mounting portion 11. The mounting portion 11 is integrally formed with the case body 10 and is formed by outwardly projecting the case body 10. The reinforcing plate 20 and the mounting portion 11 are connected by a connecting member.
In this embodiment, the connecting member is a screw 21, a threaded hole is provided on the mounting portion 11, a threaded through hole is provided on the reinforcing plate 20 at a position corresponding to the mounting portion 11, and the reinforcing plate 20 is screwed to the mounting portion 11 by the screw 21.
The threaded connection design of the reinforcing plate 20 and the box body main body 10 has flexible structural design, and the reinforcing plate 20 can be increased or not increased according to the requirement of the extrusion resistance force of each direction of the box body main body 10; the threaded connection design of the reinforcing plate 20 and the box body main body 10 is convenient and fast to maintain after sale, and the box body main body 10 can be prevented from being damaged when the battery pack is impacted by small external force, so that the after-sale cost of the battery pack is reduced.
The reinforcing plate 20 is provided with at least one first portion 23, at least one second portion 22 and a connecting portion, wherein the first portion 23 and the second portion 22 are arranged at intervals, the connecting portion connects the first portion 23 and the second portion 22, and the first portion 23 and the second portion 22 are in smooth transition through the connecting portion.
Preferably, the vertical distance between the second portion 22 and the side wall of the box body 10 is smaller than the vertical distance between the first portion 22 and the side wall of the box body 10, so that the first portion and the second portion form a structure which is not on the same plane, and the bending resistance of the reinforcing plate is improved.
The vertical distance between the second part 22 and the side wall of the box body 10 is smaller than the vertical distance between the first part 22 and the side wall of the box body 10, so that a cavity structure is formed between the side wall of the box body 10 and the reinforcing plate 10, and the overall rigidity strength and the lateral anti-extrusion performance of the box body are greatly improved.
Preferably, the first and second portions 23, 22 are integrally formed with the connecting portion. The reinforcing plate 20 can be integrally formed by various processes such as stamping, extrusion and the like, and has mature process, abundant supplier resources and lower cost.
The vertical distance between the second portion 22 and the side wall of the box body 10 is smaller than the vertical distance between the first portion 22 and the side wall of the box body 10, so that the first portion and the second portion form a structure which is not on the same plane, and preferably, the first portion, the second portion and the connecting portion are integrally formed to make the reinforcing plate have an S-shaped structure as a whole. The S-shaped structure greatly improves the anti-extrusion performance of the side wall of the box body.
In other embodiments, the vertical distance between the second portion 22 and the side wall of the box body 10 is smaller than the vertical distance between the first portion 22 and the side wall of the box body 10, so that the first portion and the second portion are not in the same plane, and preferably, the first portion, the second portion and the connecting portion are integrally formed to form the reinforcing plate into a bow-shaped structure as a whole. The bow-shaped structure greatly improves the anti-extrusion performance of the side wall of the box body.
In other embodiments, the vertical distance between the second portion 22 and the side wall of the box body 10 is smaller than the vertical distance between the first portion 22 and the side wall of the box body 10, so that the first portion and the second portion form structures which are not on the same plane, and preferably, the first portion, the second portion and the connecting portion are integrally formed to make the reinforcing plate have a wave-shaped structure as a whole. The wave structure greatly promotes the anti extrusion performance of box lateral wall.
From the above, the shape of the reinforcing plate 10 is not limited, and as long as the vertical distance between the second portion 22 and the side wall of the box body 10 is smaller than the vertical distance between the first portion 22 and the side wall of the box body 10, so that the first portion and the second portion are not on the same plane, the anti-extrusion performance of the side wall of the box body can be improved.
The side wall of the box body 10 is provided with a reinforcing rib (not shown) between the box body 10 and the reinforcing plate 20. Preferably, the reinforcing ribs are integrally formed with the case body 10.
The height of the reinforcing plate 20 is equal to that of the box body 10, and the height of the reinforcing plate 10 is equal to that of the upper and lower boundaries of the box body 10, so that the reinforcing plate becomes a first bearing piece during extrusion. The force attenuation already occurs when the extrusion force is transmitted to the tank, greatly reducing the stress-strain of the tank.
In addition, the thickness, the material, the fluctuating trend of the section and the surface shape of the reinforcing plate can be adjusted according to the extrusion force requirement, and the extrusion performance requirement of the battery pack can be well met.
Correspondingly, the invention also provides a battery pack, which comprises the anti-extrusion battery pack box body, wherein the battery is arranged in the box body main body.
Correspondingly, the invention further provides a vehicle comprising the battery pack.
The utility model has the advantages that the side wall of the battery pack box body 10 is provided with the reinforcing plate 20, so that the integral rigidity and strength of the side wall of the box body are enhanced, the anti-extrusion performance of the box body is met when the side extrusion force of the battery pack box body is extremely large, and the safety problem that the battery thermal runaway is caused due to the fact that the box body is extruded and deformed to invade the battery is solved; the utility model discloses a set up first portion 23 and second portion 22 on reinforcing plate 20, the distance of first portion 23 and second portion 22 and box surface is different, makes first portion 23, second portion 22 form the structure that is not on the coplanar, has improved the bending resistance of reinforcing plate 20; the utility model discloses a set up the height that highly equals box main part 10 of reinforcing plate 20, atress when can reducing the box extrusion warp.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides an anti extrusion battery package box which characterized in that: the battery box comprises a box body main body and a reinforcing plate, wherein the box body main body is used for accommodating a battery;
the reinforcing plate is provided with at least one first part, at least one second part and a connecting part, the first part and the second part are arranged at intervals, the connecting part is connected with the first part and the second part, and the vertical distance between the second part and the side wall of the box body is smaller than that between the first part and the side wall of the box body.
2. The anti-extrusion battery pack case as claimed in claim 1, wherein: the lateral wall of box main part is equipped with the installation department, reinforcing plate demountable installation in the installation department.
3. The anti-extrusion battery pack box body as claimed in claim 2, wherein: the anti-extrusion battery pack box body further comprises a connecting piece, and the reinforcing plate is connected with the installation part through the connecting piece.
4. The anti-extrusion battery pack box body as claimed in claim 3, wherein: the connecting piece is a screw, and the reinforcing plate is connected with the mounting part through the screw.
5. The anti-extrusion battery pack case as claimed in claim 1, wherein: the first portion, the second portion and the connecting portion are integrally formed.
6. The anti-extrusion battery pack case as claimed in claim 1, wherein: the reinforcing plate is of an S-shaped structure as a whole.
7. The anti-extrusion battery pack case as claimed in claim 1, wherein: the reinforcing plate is of a bow-shaped structure integrally.
8. The anti-extrusion battery pack case as claimed in claim 1, wherein: reinforcing ribs are arranged on the side wall of the box body main body and are positioned between the box body and the reinforcing plate; the height of reinforcing plate equals the height of box main part, the top demountable installation of box main part has the apron.
9. A battery pack, comprising: the anti-extrusion battery pack box body comprises the anti-extrusion battery pack box body as claimed in any one of claims 1 to 8, wherein a battery is installed in the box body.
10. A vehicle, characterized in that: comprising the battery pack according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020432020.7U CN211858719U (en) | 2020-03-30 | 2020-03-30 | Anti-extrusion battery pack box body, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020432020.7U CN211858719U (en) | 2020-03-30 | 2020-03-30 | Anti-extrusion battery pack box body, battery pack and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN211858719U true CN211858719U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020432020.7U Active CN211858719U (en) | 2020-03-30 | 2020-03-30 | Anti-extrusion battery pack box body, battery pack and vehicle |
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| CN (1) | CN211858719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060258A1 (en) * | 2022-09-23 | 2024-03-28 | 宁德时代新能源科技股份有限公司 | Box body, battery and vehicle |
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2020
- 2020-03-30 CN CN202020432020.7U patent/CN211858719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060258A1 (en) * | 2022-09-23 | 2024-03-28 | 宁德时代新能源科技股份有限公司 | Box body, battery and vehicle |
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