CN107891911A - Battery bag vehicle body integral structure and automobile - Google Patents

Battery bag vehicle body integral structure and automobile Download PDF

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Publication number
CN107891911A
CN107891911A CN201711101332.9A CN201711101332A CN107891911A CN 107891911 A CN107891911 A CN 107891911A CN 201711101332 A CN201711101332 A CN 201711101332A CN 107891911 A CN107891911 A CN 107891911A
Authority
CN
China
Prior art keywords
crossbeam
battery bag
vehicle body
integral structure
flange
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.)
Granted
Application number
CN201711101332.9A
Other languages
Chinese (zh)
Other versions
CN107891911B (en
Inventor
曾厚立
曾蔚
唐春柳
黎海
曾庆伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC GM Wuling Automobile Co Ltd
Original Assignee
SAIC GM Wuling Automobile Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SAIC GM Wuling Automobile Co Ltd filed Critical SAIC GM Wuling Automobile Co Ltd
Priority to CN201711101332.9A priority Critical patent/CN107891911B/en
Publication of CN107891911A publication Critical patent/CN107891911A/en
Application granted granted Critical
Publication of CN107891911B publication Critical patent/CN107891911B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438Arrangement under the floor

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention discloses a kind of battery bag vehicle body integral structure and automobile, wherein, the battery bag vehicle body integral structure includes crossbeam, frame cross and battery bag before vehicle frame;Crossbeam includes inner side crossbeam and the outside crossbeam that is arranged at U-shaped opening of the section for U-shaped before vehicle frame, cavity is formed between inner side crossbeam and outside crossbeam, the side mutually deviated from U-shaped opening of inner side crossbeam is connected with bottom plate;Frame cross includes being used for and the first flange of outside crossbeam welding and the second flange for welding with bottom plate.In technical scheme proposed by the present invention; the bottom plate of battery bag is welded on before vehicle frame on crossbeam and frame cross; battery bag mounting bracket is eliminated, realizes the integration of battery bag vehicle body, also eliminates the problems such as battery bag mounting bracket is off size, assembling is difficult; in addition; the rigidity of crossbeam before vehicle frame can be improved, slows down side impact impulsive force formed with cavity in crossbeam before vehicle frame; collision deformation is absorbed, so as to protect battery bag.

Description

Battery bag vehicle body integral structure and automobile
Technical field
The present invention relates to electric vehicle engineering field, more particularly to a kind of battery bag vehicle body integral structure and automobile.
Background technology
Before battery bag 3 is fixed on vehicle frame by current traditional New-energy electric vehicle usually through battery bag mounting bracket 4 On crossbeam 1, concrete structure refer to Fig. 1, and the mounting means has following defect:Battery bag mounting bracket semi-finals degree deficiency, is present Failure risk, influence security performance;The quantity of battery bag mounting bracket 4 is excessive, it is difficult to ensures fit dimension, assembling difficulty.
The content of the invention
It is a primary object of the present invention to provide a kind of battery bag vehicle body integral structure and automobile, it is intended to solve existing electricity Battery bag mounting bracket intensity deficiency, the excessive technical problem of usage quantity used in electrical automobile.
To achieve the above object, battery bag vehicle body integral structure provided by the invention includes crossbeam, vehicle frame horizontal stroke before vehicle frame Beam and battery bag, the frame cross are arranged at before two vehicle frames be arrangeding in parallel between crossbeam, and the battery bag is set Between the frame cross that two be arranged in parallel;The battery bag includes bottom plate and the battery being arranged on the bottom plate Group;Crossbeam includes the inner side crossbeam that section is U-shaped and the outside crossbeam for being arranged at the U-shaped opening before the vehicle frame, Form cavity between the inner side crossbeam and the outside crossbeam, the inner side crossbeam mutually deviates from the U-shaped opening Side is connected with the bottom plate;The frame cross include be used for the outside crossbeam welding the first flange and for Second flange of the bottom plate welding.
Preferably, crossbeam also includes a few font reinforcers being arranged in the cavity, the reinforcer before the vehicle frame Openend and one end relative with the openend be connected respectively with the inner side crossbeam and outside crossbeam.
Preferably, the frame cross is connected respectively including connecting portion and the two edges relative with the connecting portion Two sidepieces, two sidepieces are vertically arranged with the connecting portion;First flange include by the connecting portion along its Bearing of trend stretches out the 3rd flange to be formed and fourth flange vertical with the sidepiece, the connecting portion;It is described Second flange is arranged at the one end of the sidepiece away from the connecting portion, and it is vertically arranged with the sidepiece.
Preferably, spacing is left to form cavity between two sidepieces.
Preferably, two flangings of the openend of the reinforcer are arranged at the outside crossbeam phase with the 3rd flange The both sides that deviate from and both be oppositely arranged, the reinforcer inner space is located at what the outside crossbeam mutually deviated from the cavity Both sides and both be oppositely arranged.
Preferably, the reinforcer inner space is overmolding to closed chamber by crossbeam before the vehicle frame.
Preferably, the section of the outside crossbeam is also U-shaped, and the opening of the outside crossbeam and the inner side crossbeam It is concordant to set.
Preferably, the battery bag also includes the battery pack master controller being arranged on the bottom plate, described for controlling Battery pack.
Preferably, the battery pack is set around the battery pack master controller.
To achieve the above object, the present invention also provides a kind of automobile, and the automobile includes the electricity described in any one as described above Pond hired car body integral structure.
In technical scheme proposed by the present invention, the bottom plate of battery bag is welded on before vehicle frame on crossbeam and frame cross, specifically Ground, frame cross are welded by crossbeam before the first flange and vehicle frame, are welded by the second flange and bottom plate, ensure that battery bag is close Feng Xing, rigidity of the vehicle is improved, eliminate battery bag mounting bracket, realized the integration of battery bag vehicle body, also eliminate battery The problems such as bag mounting bracket is off size, assembling is difficult, and chassis arrangement is optimized, reduce empty shared by battery bag Between, reduce difficult arrangement and perimeter systems interference risk.In addition, vehicle frame can be improved formed with cavity in crossbeam before vehicle frame The rigidity of preceding crossbeam, slow down side impact impulsive force, collision deformation is absorbed, so as to protect battery bag.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is traditional batteries of electric automobile bag mounting structure;
Fig. 2 is the structural representation of the battery bag vehicle body integral structure of one embodiment of the invention;
Fig. 3 is the structural representation of crossbeam before vehicle frame in Fig. 2;
Fig. 4 is the decomposition texture schematic diagram of crossbeam before Fig. 3 vehicle frames;
Fig. 5 is the structural representation of frame cross in Fig. 2.
Drawing reference numeral explanation:
Label Title Label Title
1 Crossbeam before vehicle frame 22 Second flange
11 Inner side crossbeam 23 Connecting portion
12 Outside crossbeam 24 Sidepiece
13 Cavity 25 Cavity
14 Reinforcer 3 Battery bag
141 Flanging 31 Bottom plate
2 Frame cross 32 Battery pack
21 First flange 33 Battery pack master controller
211 3rd flange 4 Battery bag mounting bracket
212 4th flange
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for describe purpose, and it is not intended that Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention, " multiple " contain Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly, For example, " fixation " can be fixedly connected or be detachably connected, or integrally;Can be mechanically connect or Electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, can be the connection or two of two element internals The interaction relationship of individual element, limited unless otherwise clear and definite.For the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical scheme between each embodiment of the present invention can be combined with each other, but must be general with this area Logical technical staff can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize this The combination of technical scheme is not present, also not within the protection domain of application claims.
The present invention proposes a kind of battery bag vehicle body integral structure.
Fig. 2 to Fig. 5 is refer to, in the present embodiment, the battery bag vehicle body integral structure includes crossbeam 1, car before vehicle frame Frame crossbeam 2 and battery bag 3, frame cross 2 are arranged at before two vehicle frames be arrangeding in parallel between crossbeam 1, and battery bag 3 is arranged at two Between the individual frame cross 2 be arrangeding in parallel;Battery bag 3 includes bottom plate 31 and the battery pack 32 being arranged on bottom plate 31;Before vehicle frame Crossbeam 1 includes inner side crossbeam 11 and the outside crossbeam 12 that is arranged at U-shaped opening, inner side crossbeam 11 He of the section for U-shaped Cavity 13 is formed between outside crossbeam 12, inner side crossbeam 11 is connected with the side that U-shaped opening mutually deviates from bottom plate 31;Vehicle frame Crossbeam 2 includes being used for and the first flange 21 of the welding of outside crossbeam 12 and the second flange 22 for welding with bottom plate 31.
In technical scheme proposed by the present invention, the bottom plate 31 of battery bag 3 is welded on before vehicle frame on crossbeam 1 and frame cross 2, Specifically, frame cross 2 is welded by the first flange 21 with crossbeam before vehicle frame 1, is welded by the second flange 22 with bottom plate 31, is protected The sealing of battery bag 3 has been demonstrate,proved, has improved rigidity of the vehicle, has eliminated battery bag mounting bracket 4, has realized the vehicle body of battery bag 3 one Change, also eliminate the problems such as battery bag mounting bracket 4 is off size, assembling is difficult, and optimize chassis arrangement, reduce Space shared by battery bag 3, reduce difficult arrangement and perimeter systems interference risk.In addition, before vehicle frame in crossbeam 1 formed with Cavity 13, the rigidity of crossbeam 1 before vehicle frame can be improved, slow down side impact impulsive force, absorb collision deformation, so as to protect battery bag 3, And alleviate complete vehicle quality, it is possible to achieve light-weight design.
It can be found that the bending region of crossbeam 1 is excessive before vehicle frame in Fig. 1, design of part is complicated, and insufficient formability, structure is put down Pliable difference.Crossbeam 1 is U-shaped structure before vehicle frame in the present invention, is extremely smoothed out, and can improve forming parts and lifting part Qualification rate.In order to avoid crossbeam 1 damages miscellaneous part before vehicle frame, by two corner designs of inner side crossbeam 11 into rounding.
Referring once again to Fig. 4, in order to improve the intensity of crossbeam 1 before vehicle frame, set before vehicle frame in the cavity 13 of crossbeam more than 1 Font reinforcer 14, the openend of reinforcer 14 and one end relative with openend respectively with inner side crossbeam 11 and outside crossbeam 12 are connected.Specifically, when being collided due to vehicle, the ratio of outside crossbeam 12 inner side crossbeam 11 first bears impact, therefore, will The openend of reinforcer 14 is welded with inner side crossbeam 11, and the not opening other end welds with outside crossbeam 12.
Referring once again to Fig. 5, frame cross 2 includes connecting portion 23 and the two edges relative with connecting portion 23 connect respectively Two sidepieces 24 connect, two sidepieces 24 are vertically arranged with connecting portion 23;First flange 21 includes along it being prolonged by connecting portion 23 Direction is stretched to stretch out the 3rd flange 211 to be formed and fourth flange 212 vertical with sidepiece 24, connecting portion 23;Second Flange 22 is arranged at the one end of sidepiece 24 away from connecting portion 23, and it is vertically arranged with sidepiece 24.Specifically, the inner side of U-shaped Crossbeam 11 includes top and the two side ends being connected with top, and a side of the 3rd flange 211 and inner side crossbeam 11 is mutually welded, the The top of four flange 212 and inner side crossbeam 11 is mutually welded, so as to realize the fixation of crossbeam 1 before frame cross 2 and vehicle frame, Ke Yili Solution, the connecting portion 23 of two parallel side-by-sides can be set in frame cross 2, the 3rd flange is respectively provided with two connecting portions 23 211, so as to which the two side ends respectively with inner side crossbeam 11 are mutually welded.Equally, the ride comfort of frame cross 2 is good, forming parts and Part qualification rate can be improved.
Preferably, spacing is left between two sidepieces 24 to form cavity 25.Battery bag 3 when on the one hand can reduce central collision The risk weather, compressed, improve electric automobile security performance;On the other hand complete vehicle quality can further be mitigated.
Further, two flangings 141 of the openend of reinforcer 14 are arranged at the outside phase of crossbeam 12 with the 3rd flange 211 The both sides that deviate from and both be oppositely arranged, the both sides that the phase of outside crossbeam 12 that the inner space of reinforcer 14 and cavity 25 is located at deviates from and Both are oppositely arranged.The flanging 141 of reinforcer 14 in crossbeam before vehicle frame 1 and the 3rd flange 211 of frame cross 2 are set relatively Put, the inner space of reinforcer 14 is oppositely arranged with cavity 25, and crossbeam 1 and frame cross 2 are held before vehicle frame when can improve side impact The impulsive force received.
Preferably, the inner space of reinforcer 14 is overmolding to closed chamber by crossbeam before vehicle frame 1, can with optimizing stress transmission, Smooth out structure arrangement.
Referring once again to Fig. 4, the section of outside crossbeam 12 is also U-shaped, and outside crossbeam 12 and inner side crossbeam 11 are opened Mouth is concordant to be set.Outside crossbeam 12 is also configured to U-shaped, is easy to outside crossbeam 12 being welded in the crossbeam 11 of inner side.
Referring once again to Fig. 2, battery bag 3 also includes the battery controller 33 being arranged on bottom plate 31, for controlling electricity Pond group 32.Preferably, battery pack 32 is set around battery controller 33.Because battery pack 32 may be contained within a bottom plate 31 On, bottom plate 31 is fixed on crossbeam 1 and frame cross 2 before vehicle frame and enclosed in the space set, solves that battery bag 3 is excessive to take excessive bottom Disk space, interfere with perimeter systems, the problems such as difficult arrangement.It is appreciated that when the quantity of battery pack 32 is excessive, can be by electricity Pond group 32 is distributed on two bottom plates 31, and three frame cross 2 arranged in parallel can form two regions with crossbeam 1 before vehicle frame For setting battery pack 32, bottom plate 31 is equally welded on the flange of frame cross 2, it will be understood that battery proposed by the present invention Hired car body integral structure can very easily realize the extension of battery pack 32.
The present invention also proposes a kind of automobile, and the automobile includes the battery bag vehicle body integration knot such as above-mentioned any embodiment Structure.The concrete structure of the battery bag vehicle body integral structure is with reference to above-described embodiment, because this automobile employs above-mentioned all realities Whole technical schemes of example, therefore all beneficial effects at least caused by the technical scheme with above-described embodiment are applied, herein No longer repeat one by one.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this Under the design of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/it is used in indirectly He is included in the scope of patent protection of the present invention related technical field.

Claims (10)

1. a kind of battery bag vehicle body integral structure, it is characterised in that including crossbeam, frame cross and battery bag before vehicle frame, institute State frame cross to be arranged at before two vehicle frames be arrangeding in parallel between crossbeam, the battery bag is arranged at two and be arranged in parallel The frame cross between;The battery bag includes bottom plate and the battery pack being arranged on the bottom plate;It is big before the vehicle frame Beam includes the inner side crossbeam that section is U-shaped and the outside crossbeam for being arranged at the U-shaped opening, the inner side crossbeam and institute Cavity is formed on the outside of stating between crossbeam, the side mutually deviated from the U-shaped opening and the bottom plate of the inner side crossbeam connect Connect;The frame cross includes being used for and the first flange of outside crossbeam welding and for welding with the bottom plate Two flange.
2. battery bag vehicle body integral structure as claimed in claim 1, it is characterised in that crossbeam also includes setting before the vehicle frame A few font reinforcers being placed in the cavity, the openend of the reinforcer and one end relative with openend difference It is connected with the inner side crossbeam and outside crossbeam.
3. battery bag vehicle body integral structure as claimed in claim 2, it is characterised in that the frame cross includes connecting portion And two sidepieces that the two edges relative with the connecting portion are connected respectively, two sidepieces hang down with the connecting portion It is straight to set;First flange include by the connecting portion extend along direction stretch out the 3rd flange that is formed and with institute State the 4th vertical flange of sidepiece, the connecting portion;Second flange is arranged at the sidepiece away from the connecting portion One end, and it is vertically arranged with the sidepiece.
4. battery bag vehicle body integral structure as claimed in claim 3, it is characterised in that between being left between two sidepieces Away to form cavity.
5. battery bag vehicle body integral structure as claimed in claim 4, it is characterised in that the two of the openend of the reinforcer Individual flanging and the 3rd flange are arranged at the both sides that the outside crossbeam mutually deviates from and both are oppositely arranged, in the reinforcer Portion space and the cavity are located at the both sides that the outside crossbeam mutually deviates from and both are oppositely arranged.
6. the battery bag vehicle body integral structure as described in claim any one of 2-5, it is characterised in that inside the reinforcer Space is overmolding to closed chamber by crossbeam before the vehicle frame.
7. the battery bag vehicle body integral structure as described in claim any one of 1-5, it is characterised in that the outside crossbeam Section is also U-shaped, and the outside crossbeam is concordant with the opening of the inner side crossbeam sets.
8. the battery bag vehicle body integral structure as described in claim any one of 1-5, it is characterised in that the battery bag is also wrapped The battery pack master controller being arranged on the bottom plate is included, for controlling the battery pack.
9. battery bag vehicle body integral structure as claimed in claim 8, it is characterised in that the battery pack is around the battery Group master controller is set.
10. a kind of automobile, it is characterised in that including the battery bag vehicle body integral structure as described in claim any one of 1-9.
CN201711101332.9A 2017-11-09 2017-11-09 Battery package automobile body integral structure and car Active CN107891911B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711101332.9A CN107891911B (en) 2017-11-09 2017-11-09 Battery package automobile body integral structure and car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711101332.9A CN107891911B (en) 2017-11-09 2017-11-09 Battery package automobile body integral structure and car

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Publication Number Publication Date
CN107891911A true CN107891911A (en) 2018-04-10
CN107891911B CN107891911B (en) 2020-09-25

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CN201711101332.9A Active CN107891911B (en) 2017-11-09 2017-11-09 Battery package automobile body integral structure and car

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109178097A (en) * 2018-08-06 2019-01-11 深圳市中创镁工程技术有限公司 Vehicle packet integration chassis frame
CN113815365A (en) * 2021-09-02 2021-12-21 上汽通用五菱汽车股份有限公司 Shock attenuation tower, connection structure and car
WO2023098723A1 (en) * 2021-11-30 2023-06-08 奥动新能源汽车科技有限公司 Electric vehicle and quick-replacing assembly
WO2023134026A1 (en) * 2022-01-14 2023-07-20 宁德时代新能源科技股份有限公司 Battery mounting mechanism and electric device

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN109178097A (en) * 2018-08-06 2019-01-11 深圳市中创镁工程技术有限公司 Vehicle packet integration chassis frame
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CN113815365A (en) * 2021-09-02 2021-12-21 上汽通用五菱汽车股份有限公司 Shock attenuation tower, connection structure and car
WO2023098723A1 (en) * 2021-11-30 2023-06-08 奥动新能源汽车科技有限公司 Electric vehicle and quick-replacing assembly
WO2023134026A1 (en) * 2022-01-14 2023-07-20 宁德时代新能源科技股份有限公司 Battery mounting mechanism and electric device

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