CN113161664A - Electric motor car battery package box installing support structure - Google Patents
Electric motor car battery package box installing support structure Download PDFInfo
- Publication number
- CN113161664A CN113161664A CN202110255585.1A CN202110255585A CN113161664A CN 113161664 A CN113161664 A CN 113161664A CN 202110255585 A CN202110255585 A CN 202110255585A CN 113161664 A CN113161664 A CN 113161664A
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- Prior art keywords
- bracket
- inner plate
- lower tray
- battery pack
- electric vehicle
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- 238000009434 installation Methods 0.000 claims abstract description 39
- 238000003466 welding Methods 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 230000035939 shock Effects 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000010009 beating Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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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
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- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an installation support structure of an electric vehicle battery pack box body, which is connected to a lower tray of an electric vehicle battery pack metal plate box body and comprises an installation block and a cylindrical sleeve, wherein the cylindrical sleeve is fixed on the installation block, the installation block is provided with a plurality of blocks, the installation block comprises a support inner plate and a support outer plate which are connected in a spot welding mode along the edge, the plurality of installation blocks are all connected with a stiffening beam in the lower tray, and the electric vehicle battery pack metal plate box body is connected with an electric vehicle body through a cylindrical sleeve bolt. The invention has the advantages that the lower tray and the stiffening beam are simultaneously connected through the mounting block, the mounting bracket structure is simultaneously connected with the lower tray and the stiffening beam, the structural integrity is good, and the reliability is high; when the automobile body is modified and designed, the installation position of the battery is convenient to adjust, the utilization and the layout in space are convenient, and the design cost of the automobile body is reduced.
Description
Technical Field
The invention belongs to the technical field of electric vehicle battery installation, and particularly relates to an electric vehicle battery pack box body installation support structure.
Background
In the development process of the sheet metal box structure of the battery pack of the electric vehicle, the common mounting point structure is in an independent support structure form or an integrated structure form, and the mounting point is generally arranged in the center of the structure. For example, in chinese patent document, a utility model entitled "a power battery pack mounting device" published in 2020, 2 months and 18 days under the grant publication number CN 210092192U discloses a power battery pack mounting device, this application discloses a power battery pack mounting device, including front support plate, auxiliary support plate, back support plate and U-shaped steel groove, front support plate and auxiliary support plate are on the same plane, front support plate, back support plate and auxiliary support plate pass through the U-shaped steel groove and connect, fixedly connected with a plurality of U-shaped steel grooves between the auxiliary support plate, be equipped with symmetrical stationary blade in the auxiliary support plate, the accurate precision of support can ensure that the battery pack is installed horizontally and the overall frame structure is in the stress process, and the stress point is in the central position of design. The battery mounting structure of the application is stable, but has the following defects: to battery package structure itself and peripheral spatial arrangement have certain restriction, be unfavorable for spatial layout, need design the mounting structure of battery package in addition simultaneously when the electric motor car body need design new money, design and demolding are with high costs.
For another example, in chinese patent document, entitled "battery pack and vehicle body mounting structure" published by No. CN208760407U in 2019, 4 and 19, this application discloses a battery pack and vehicle body mounting structure for assembling a battery pack with a vehicle body side member, comprising two sets of mounting bracket units symmetrically disposed on both sides of the battery pack, the mounting bracket units comprising: the first mounting frame is arranged at one end part of the battery pack; a second mounting bracket disposed at the other end of the battery pack; a third mounting bracket; the third mounting rack and the fourth mounting rack are arranged in the middle of the battery pack; the battery pack is supported and arranged on the vehicle body longitudinal beam through the two groups of mounting frame units. Although the installation mode seems to reduce the degree of difficulty, also has looked after spatial layout, its structural strength is poor, and the layer board of mounting bracket is that monolithic structure takes place to warp easily, and structural strength is poor, and the battery package after the installation is spacing owing to lack the plane, takes place the drunkenness easily, and structural reliability is poor.
Disclosure of Invention
Based on the problems, the invention provides the mounting bracket structure for the battery pack box body of the electric vehicle, which is convenient in spatial layout, high in structural strength and good in reliability.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the utility model provides an electric motor car battery package box installing support structure, connects on the lower tray of electric motor car battery package panel beating box, including installation piece and cylinder sleeve, the cylinder sleeve is fixed on the installation piece, and the installation piece is equipped with a plurality of pieces, and the installation piece includes support inner panel and the support planking that border spot welding connects, and a plurality of pieces of installation piece all link to each other with the stiffening beam in the tray down, and electric motor car battery package panel beating box passes through cylinder sleeve bolted connection with the electric motor car automobile body.
According to the installation support structure, the installation blocks are simultaneously connected with the lower tray and the reinforcing beam, and the installation support structure is simultaneously connected with the lower tray and the reinforcing beam, so that the structural integrity is good, and the reliability is high; compared with the traditional battery pack connected by bolts and the bracket directly connected by bolts, the battery pack is in a cylindrical sleeve structure, and then is connected by screws, so that the longitudinal and horizontal limiting capacity can be improved, and the structural strength of the cylindrical sleeve matched with the mounting block is high; the mounting block is a double-layer supporting structure consisting of a support inner plate and a support outer plate, and the cylindrical sleeve is limited by the double-layer structure, so that the stability in all directions is very reliable, and effective support reinforcement is realized; another benefit of this application is because the installation piece is arranged at tray border down, and the position of installation piece is convenient to be adjusted, and the cylinder sleeve is connected with the installation piece, and the cylinder sleeve also conveniently adjusts in the production link in high to when automobile body modification design, the mounted position of battery is adjusted conveniently, makes things convenient for utilization and overall arrangement in the space, reduces the design cost of automobile body.
Preferably, the support inner plate is fixedly connected with the lower tray, a damping cavity is arranged between the support inner plate and the support outer plate, and the cylindrical sleeve penetrates through the support inner plate on the upper side of the damping cavity and is abutted to the support outer plate. The support inner plate and the support outer plate are separated through the damping cavity, and the distance is pulled open, so that two reliable limiting positions are realized for the cylindrical sleeve, and the structure is stable.
Preferably, one end of the support inner plate, which is connected to the lower end face of the lower tray, is attached and fixed to the end face of the corresponding support outer plate, a flanging edge which is turned over towards the support inner plate is arranged on the side edge of the support outer plate, which corresponds to the damping cavity, a connecting edge is arranged at the outer end of the flanging edge and connected with the support inner plate, and the inside of the flanging edge, the support outer plate and the support inner plate is combined to form the damping cavity. The reliable support of support planking and support inner panel is played in the hem and the cooperation of connecting the limit, and mounting panel cooperation shock attenuation chamber has certain shock-absorbing capacity, and when receiving impact or collision, the frame structure in shock attenuation chamber has high shock resistance, improves the stability that the battery package is connected.
Preferably, the outer end of the inner plate of the bracket is provided with a middle positioning part protruding towards the damping cavity at a position corresponding to the damping cavity, and two ends of the middle positioning part are clamped with the turned edges. Middle location portion with turn over the hem block, improve the spacing ability on support inner panel and the support planking plane, reduce the axial atress of cylinder sleeve and installing block junction simultaneously, prevent that support inner panel and support planking dislocation from leading to the telescopic life of cylinder to descend, prolong the life of installing support.
Preferably, the bracket inner plate and the bracket outer plate are made of stamping sheet metal parts. The strength is reliable.
Preferably, the inner plate of the bracket is of a folded surface structure, the lower tray comprises a bottom surface, a side vertical surface and a flanging surface, the pressing strip is fixed on the flanging surface, and the folded surface of the inner plate of the bracket is respectively attached and fixedly connected with the bottom surface, the side vertical surface and the flanging surface. The inner plate of the bracket is connected with the flanging and the pressing strip of the lower tray in a spot welding manner, so that better connection strength and rigidity are achieved.
Preferably, the cylindrical sleeve and the mounting block are connected by means of two weld joints. The welding deformation is reduced, and the crack resistance is good.
Preferably, the bracket inner plate is connected with the bottom surface of the reinforcing beam in a spot welding mode corresponding to the folded surface of the bottom surface of the lower tray; the bracket inner plate is connected with the side surface of the stiffening beam in a spot welding way corresponding to the folding surface of the side vertical surface of the lower tray; the edge of the lower tray is provided with a pressing strip, and the folded surface of the inner plate of the bracket, which corresponds to the flanging surface of the lower tray, is simultaneously connected with the pressing strip in a spot welding manner. The inner plate of the bracket is welded on the wall surface of the lower tray and the wall surface of the reinforcing beam together through two positions, and has reliable structural strength.
The invention has the following beneficial effects: 1. the lower tray and the reinforcing beam are simultaneously connected through the mounting block, and the mounting support structure is simultaneously connected with the lower tray and the reinforcing beam, so that the structural integrity is good, and the reliability is high; 2. the structure of the cylindrical sleeve is adopted, and then the battery pack and the vehicle body are connected through the screws, so that the longitudinal and horizontal limiting capacity can be improved, and the structural strength of the cylindrical sleeve matched with the mounting block is high; 3. the mounting block is a double-layer supporting structure consisting of a support inner plate and a support outer plate, and the cylindrical sleeve is limited by the double-layer structure, so that the stability in all directions is very reliable, and effective support reinforcement is realized; 4. because the installation piece is arranged at the edge of the lower tray, the position of the installation piece is convenient to adjust, the cylindrical sleeve is connected with the installation piece, and the cylindrical sleeve is also convenient to adjust in the production link in height, so that when the automobile body is modified and designed, the installation position of the battery is convenient to adjust, the space utilization and layout are convenient, and the design cost of the automobile body is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is a bottom schematic view of the position shown in fig. 2.
Wherein: the bottom surface 21 side elevation 22 side elevation 23 of the lower tray 2 of the battery pack 1 is provided with a bead 24, the middle positioning part 311 of the bracket inner plate 31 of the mounting block 3, the bracket outer plate 32 turned edge 321 is connected with the edge 322 damping cavity 323 cylindrical sleeve 4.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
Examples
As shown in fig. 1, for an electric vehicle battery package box body mounting bracket structure, connect on the lower tray 2 of electric vehicle battery package panel beating box, including installation piece 3 and cylinder sleeve 4, cylinder sleeve 4 fixes on installation piece 3, and installation piece 3 is equipped with eight, and eight installation pieces 3 divide into two sets of 2 bilateral symmetry settings of tray under, and installation piece 3 is located the both ends and the middle part position of tray 2 down. As shown in fig. 2, the mounting block 3 at the middle position is additionally provided with a through hole on one side of the cylindrical sleeve 4 compared with the mounting blocks 3 at other positions, and the through hole has the function of arranging two cylindrical sleeves 4 according to actual conditions, so that the stability of fixing the battery pack 1 is increased, and the improvement is made based on the other mounting blocks 3. The mounting block 3 comprises a bracket inner plate 31 and a bracket outer plate 32 which are connected by spot welding at the edge, and the bracket inner plate 31 and the bracket outer plate 32 adopt stamping sheet metal parts. The bracket inner plate 31 is of a folded surface structure, the lower tray 2 comprises a bottom surface 21, a side vertical surface 22 and a flanging surface 23, and the folded surfaces of the bracket inner plate 31 are respectively attached and fixedly connected with the bottom surface 21, the side vertical surface 22 and the flanging surface 23. The bracket inner plate 31 is connected with the bottom surface 21 of the reinforcing beam in a spot welding way corresponding to the folded surface of the bottom surface 21 of the lower tray 2; the bracket inner plate 31 is connected with the side surface of the reinforcing beam in a spot welding way corresponding to the folded surface of the side vertical surface 22 of the lower tray 2; the edge of the lower tray 2 is provided with a pressing strip 24, the pressing strip 24 is fixed on the flanging surface 23 through screws, and the support inner plate 31 is connected with the pressing strip 24 in a spot welding mode corresponding to the folding surface of the flanging surface 23 of the lower tray 2. Eight installation pieces 3 all link to each other with the stiffening beam in the tray 2 down, and electric motor car battery package panel beating box passes through 4 bolted connection of cylinder sleeve with the electric motor car automobile body. Support inner panel 31 and lower tray 2 fixed connection, be equipped with shock attenuation chamber 323 between support inner panel 31 and the support planking 32, the one end that support inner panel 31 is connected on tray 2 lower terminal surface is fixed with the laminating of the support planking 32 terminal surface that corresponds, the side edge that support planking 32 corresponds to shock attenuation chamber 323 is equipped with the turn-ups 321 that turns over to middle inner panel 31 between to, the outer end of turn-ups 321 is equipped with connecting edge 322, connecting edge 322 is connected with support inner panel 31, turn-ups 321, the inside of support planking 32 and the combination of support inner panel 31 forms shock attenuation chamber 323. The bracket outer plate 32, the flanging edge 321 and the connecting edge 322 are respectively transited through arc surfaces to prevent stress concentration. The plane of the flange 321 is vertical to the outer plate 32 of the bracket, and the plane of the flange 321 is vertical to the flange 321. The bracket outer plate 32 is also of a folded structure, and the height of the shock absorption cavity 323 gradually increases from the position of the side vertical surface 22 to the position of the turned-up edge. The outer end of the bracket inner plate 31 is provided with a middle positioning part 311 protruding towards the shock absorption cavity 323 at a position corresponding to the shock absorption cavity 323, and the middle positioning part 311 is of a plane structure. Both ends of the middle positioning portion 311 are engaged with the turned-over edges 321. The cylindrical sleeve 4 penetrates the bracket inner plate 31 on the upper side of the damper chamber 323, and the lower end of the cylindrical sleeve 4 abuts against the bracket outer plate 32. The support inner plate 31 is provided with a via hole matched with the cylindrical sleeve 4, so that the cylindrical sleeve 4 is conveniently positioned and connected. The cylindrical sleeve 4 and the bracket inner plate 31 and the bracket outer plate 32 on the mounting block 3 are connected by carbon dioxide arc welding.
The battery pack box body is connected with the vehicle body through a cylindrical sleeve 4 in a bolt mode, and the position of the cylindrical sleeve 4 is the mounting point position of the battery pack box body; during specific installation, the battery pack box body installation supports are uniformly distributed on the edge of the lower tray 2 and are welded with the lower tray 2 into a whole through spot welding; the bracket inner plate 31 is jointed and connected with the bottom surface 21, the side elevation surface 22 and the flanging surface 23 of the lower tray 2; when the battery pack box body mounting bracket is connected with the bottom surface 21 of the lower tray 2, the bracket inner plate 31 is connected with the bottom surface 21 of the lower tray 2 and the tray framework boundary beam structure in a spot welding manner; when the battery pack box body mounting bracket is connected with the side vertical surface 22 of the lower tray 2, the bracket inner plate 31 is connected with the side vertical surface 22 of the lower tray 2 and the side beam structure of the tray framework in a spot welding manner; when the battery pack box body mounting bracket is connected with the flanging surface 23 of the lower tray 2, the bracket inner plate 31 is connected with the flanging and the pressing strip 24 of the lower tray 2 in a spot welding manner, and finally the bottom of the cylindrical sleeve 4 is supported on the bracket outer plate 32 and is connected through secondary welding; the cylindrical sleeve 4 is connected with the inner plate through two weld protectors at the edge of the through hole.
The mounting bracket structure is formed by stamping metal plates and a cylindrical sleeve 4, and is simple in process and high in local rigidity; the mounting bracket structure is integrally arranged on the lower tray 2 of the box body, and the center of a hole of a convex cylindrical sleeve 4 welded on the bracket structure is taken as a mounting point; aiming at the position of the mounting point, the X/Y/Z direction local adjustment of the mounting point can be realized on the basis of not influencing other structures, and the structure of the battery pack is favorable for the flexible arrangement of a battery pack structure.
It will be appreciated by those of ordinary skill in the art that the examples described herein are intended to assist the reader in understanding the manner in which the invention is practiced, and it is to be understood that the scope of the invention is not limited to such specifically recited statements and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.
Claims (8)
1. The utility model provides an electric motor car battery package box installing support structure, characterized by, connects on the lower tray of electric motor car battery package panel beating box, including installation piece and cylinder sleeve, the cylinder sleeve is fixed on the installation piece, and the installation piece is equipped with a plurality of pieces, and the installation piece includes support inner panel and the support planking that border spot welding connects, and a plurality of pieces of installation piece all link to each other with the stiffening beam in the tray down, and electric motor car battery package panel beating box passes through cylinder sleeve bolted connection with the electric motor car automobile body.
2. The mounting bracket structure for the battery pack box body of the electric vehicle as claimed in claim 1, wherein the bracket inner plate is fixedly connected with the lower tray, a damping cavity is arranged between the bracket inner plate and the bracket outer plate, and the cylindrical sleeve penetrates through the bracket inner plate on the upper side of the damping cavity and abuts against the bracket outer plate.
3. The mounting bracket structure for the battery pack box body of the electric vehicle as claimed in claim 1 or 2, wherein one end of the bracket inner plate connected to the lower end surface of the lower tray is fixedly attached to the end surface of the corresponding bracket outer plate, the side edge of the bracket outer plate corresponding to the shock absorption cavity is provided with a flanging edge which is used for flanging the bracket inner plate, the outer end of the flanging edge is provided with a connecting edge which is connected with the bracket inner plate, and the combination of the flanging edge, the bracket outer plate and the bracket inner plate forms the shock absorption cavity.
4. The battery pack box mounting bracket structure of the electric vehicle as claimed in claim 3, wherein the outer end of the inner plate of the bracket is provided with a middle positioning part protruding towards the damping chamber at a position corresponding to the damping chamber, and both ends of the middle positioning part are engaged with the turned-over edges.
5. The electric vehicle battery pack box body mounting bracket structure as claimed in claim 1 or 2, wherein the bracket inner plate and the bracket outer plate are made of stamped sheet metal parts.
6. The mounting bracket structure of the battery pack box body of the electric vehicle as claimed in claim 1 or 2, wherein the bracket inner plate is of a folded surface structure, the lower tray comprises a bottom surface, a side vertical surface and a flanging surface, the pressing strip is fixed on the flanging surface, and the folded surface of the bracket inner plate is respectively and fixedly attached to the bottom surface, the side vertical surface and the flanging surface.
7. The electric vehicle battery pack box mounting bracket structure as claimed in claim 1 or 2, wherein the cylindrical sleeve and the mounting block are connected by two welding methods.
8. The mounting bracket structure of the battery pack box body of the electric vehicle as claimed in claim 6, wherein the bracket inner plate is connected with the bottom surface of the reinforcing beam in a spot welding manner at the same time corresponding to the folded surface of the bottom surface of the lower tray; the bracket inner plate is connected with the side surface of the stiffening beam in a spot welding way corresponding to the folding surface of the side vertical surface of the lower tray; the edge of the lower tray is provided with a pressing strip, and the folded surface of the inner plate of the bracket, which corresponds to the flanging surface of the lower tray, is simultaneously connected with the pressing strip in a spot welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255585.1A CN113161664A (en) | 2021-03-09 | 2021-03-09 | Electric motor car battery package box installing support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110255585.1A CN113161664A (en) | 2021-03-09 | 2021-03-09 | Electric motor car battery package box installing support structure |
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| Publication Number | Publication Date |
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| CN113161664A true CN113161664A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110255585.1A Pending CN113161664A (en) | 2021-03-09 | 2021-03-09 | Electric motor car battery package box installing support structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130879A1 (en) * | 2022-01-05 | 2023-07-13 | 宁德时代新能源科技股份有限公司 | Packaging box, battery, and electric device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120129029A1 (en) * | 2010-11-24 | 2012-05-24 | Kia Motors Corporation | Integrated high-voltage battery case |
| CN106335354A (en) * | 2016-09-22 | 2017-01-18 | 奇瑞汽车股份有限公司 | Battery pack mounting apparatus of hybrid electric vehicle |
| CN207450019U (en) * | 2017-07-27 | 2018-06-05 | 比亚迪汽车工业有限公司 | A kind of attachment device of bushing, battery pack and vehicle |
| CN110621527A (en) * | 2017-11-27 | 2019-12-27 | 深圳市大富科技股份有限公司 | Chassis assembly of electric vehicle, chassis platform and electric vehicle |
| CN212046851U (en) * | 2020-03-31 | 2020-12-01 | 北京新能源汽车股份有限公司 | Battery mounting frame for vehicle and vehicle |
| CN212124831U (en) * | 2020-04-24 | 2020-12-11 | 东软睿驰汽车技术（沈阳）有限公司 | Battery package hoisting point sleeve subassembly, battery package and electric automobile |
| CN112072016A (en) * | 2020-08-18 | 2020-12-11 | 浙江零跑科技有限公司 | Electric vehicle battery pack box structure |
-
2021
- 2021-03-09 CN CN202110255585.1A patent/CN113161664A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120129029A1 (en) * | 2010-11-24 | 2012-05-24 | Kia Motors Corporation | Integrated high-voltage battery case |
| CN106335354A (en) * | 2016-09-22 | 2017-01-18 | 奇瑞汽车股份有限公司 | Battery pack mounting apparatus of hybrid electric vehicle |
| CN207450019U (en) * | 2017-07-27 | 2018-06-05 | 比亚迪汽车工业有限公司 | A kind of attachment device of bushing, battery pack and vehicle |
| CN110621527A (en) * | 2017-11-27 | 2019-12-27 | 深圳市大富科技股份有限公司 | Chassis assembly of electric vehicle, chassis platform and electric vehicle |
| CN212046851U (en) * | 2020-03-31 | 2020-12-01 | 北京新能源汽车股份有限公司 | Battery mounting frame for vehicle and vehicle |
| CN212124831U (en) * | 2020-04-24 | 2020-12-11 | 东软睿驰汽车技术（沈阳）有限公司 | Battery package hoisting point sleeve subassembly, battery package and electric automobile |
| CN112072016A (en) * | 2020-08-18 | 2020-12-11 | 浙江零跑科技有限公司 | Electric vehicle battery pack box structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130879A1 (en) * | 2022-01-05 | 2023-07-13 | 宁德时代新能源科技股份有限公司 | Packaging box, battery, and electric device |
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| CB02 | Change of applicant information |
Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
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Application publication date: 20210723 |
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