CN106515859A - Lightweight electric car - Google Patents
Lightweight electric car Download PDFInfo
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- CN106515859A CN106515859A CN201611075287.XA CN201611075287A CN106515859A CN 106515859 A CN106515859 A CN 106515859A CN 201611075287 A CN201611075287 A CN 201611075287A CN 106515859 A CN106515859 A CN 106515859A
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- vehicle frame
- electric automobile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D23/00—Combined superstructure and frame, i.e. monocoque constructions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a car body structure of a lightweight electric car. The car body structure comprises an upper car body structure, a lower car body structure and a car door structure, and is characterized in that the car body structure adopts a half-loading type car body structure and is provided with the independent lower car body structure; upper/lower car bodies are connected through A/B/C columns; a composite and a novel composite are fixedly connected with a cage-shaped car body framework through screws to form a whole closed car body; and a car frame middle structure adopts a five-longitudinal-beam and ten-transverse-beam type car frame structure. The car frame middle structure and a middle battery bin form a spatial three-dimensional structure, meanwhile, the battery bin is formed with the help of the middle structure of a big-beam car frame, and the middle structure and the battery bin supplement each other; the rigidity and the strength of the car frame are ensured, the battery safety is also ensured, and the space under a seat is reasonably utilized; and the safety of the whole car during side collision is also ensured.
Description
Technical field
The present invention relates to a kind of passenger car, more particularly to a kind of light-weight electric automobile.
Background technology
Electric automobile refers to vehicle power as power, is travelled with wheel driving motor, meet road traffic, safety law
The vehicle of rule requirements.As the relatively conventional automobile of effect on environment is less, its prospect is extensively had an optimistic view of, but current techniques are still
It is immature.
Electric automobile has many features of its own compared with internal-combustion engines vehicle.Wherein, most it is a little significantly, it is electronic
The power of automobile is little, bearing capacity by and big limited.In order to improve the bearing capacity of electric automobile, mitigate the deadweight of vehicle body
It is one of effective method.However, the vehicle body and car door of electric automobile are made using steel plate entirety punching press in prior art,
Want to mitigate its weight, the method for tieing up is exactly the thickness for reducing vehicle body and car door, will so reduce the intensity of vehicle body and car door
And rigidity, it is impossible to significantly mitigate the weight of vehicle body and car door.
The electric automobile of prior art does not have crossbeam vehicle frame, and it is to realize carrying by bearing vehicle body.Battery flat and electronic
Machine is placed in Chinese herbaceous peony portion.The vehicle frame of prior art is to be stamped to form to constitute force structure together with body structure using integral plate.
Monocoque body does not have rigid-frame, simply strengthens the positions such as headstock, gusset, the tailstock, base plate, fore suspension and rear suspension, transmission system
A part of assembly part be assemblied in the position of design requirement on vehicle body.Monocoque body except which is intrinsic take advantage of load function in addition to,
The effect of various load forces will be directly born also.The body portion (gusset, column, roof etc.) of monocoque body is all bearing ground
Face, suspension are transmitted through vibrations, the pressure for coming.In prior art, monocoque construction has following defect：1st, the intensity on chassis and
Rigidity is little, and when four wheel discontinuity, vehicle body can deform.2nd, battery flat and motor are placed in Chinese herbaceous peony portion, take
Cab space, and make battery be in unsafe position.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of light-weight electric automobile, can not only ensure vehicle body and car door
Strength and stiffness, significantly mitigate the weight of vehicle body and car door, and, the strength and stiffness on chassis can be effectively improved, when four
During individual wheel discontinuity, vehicle body will not also deform, and battery can be arranged on safest position, and expand driving
Room space.
In order to solve above-mentioned technical problem, the light-weight electric automobile of the present invention, including upper body structure, lower body structure
And automobile door structure, it is characterised in that：The body structure adopts chassis and body half-integral construction, has independent lower body structure, upper/
Lower body is connected by A/B/C posts.The automobile door structure is distributed with for skeleton construction body structure and is screwed for fixation
Hole, interior exterior trim conveniently can be installed, while inner side adopts advanced composite material (ACM), outside to adopt modified composite material；Under described
The battery cabin structure two parts of body construction mainly by vehicle frame central structure and in the middle part of vehicle frame are constituted, the battery in the middle part of the vehicle frame
Cabin structure bottom by vehicle frame central structure as battery flat bottom, top welds to form cage type frame structure by rod member；.
The upper body structure is made up of multiple punching press rod members；Multiple punching press rod members are connected as a single entity to be formed by welding
Cage type body frame；The inner and outer surfaces of cage type body frame are distributed with for fixing the threaded securing bores of the thermo-plastic planking；Institute
State thermo-plastic planking and whole closing car body is fixedly connected to form by screw and the cage type body frame.
The plurality of punching press rod member includes beam rod workpieces, mast and supports rod workpieces；Described two front portions are turned under
Both sides of the bent longeron bar genesis analysis at the top of vehicle body；Four beam rails be distributed in from front to back it is described two it is anterior to
Between the longeron bar of lower bending；The two ends of each beam rail are solid with described two anterior reclinate longeron bars respectively
It is fixed to connect；The anterior framework for constituting front windshield reclinate with longeron bar of beam rail described in the first two；Afterwards described in three
Beam rail constitutes vehicle body top framework with the rear portion of longeron bar；The mast includes two front masts, two middle masts and two
Mast afterwards；The upper end of described two front masts is fixedly connected with described two anterior reclinate longeron bar front ends respectively；Institute
State two front masts and beam rail one and beam rail two constitutes the framework of front baffle board；The upper end of described two rear masts respectively with institute
State the reclinate longeron rod rear end in two front portions to be fixedly connected；The upper end of described two middle masts is respectively at three two ends of beam rail
Welding, composition middle part gantry structure；The upper end of described two rear roofbolts is welded respectively at four two ends of beam rail, constitutes rear portion gantry
Structure；Twice planer type structure constitutes double gantry structures.
The battery flat adopts space truss structure, bottom to utilize vehicle frame central structure.
The vehicle frame central structure includes section bar and bending part, and both are fixedly connected by welding, and constitutes " five vertical ten is horizontal "
Formula body frame structure for automotive.The mechanical performance that section bar and bending part can also be given full play to guarantees the strength and stiffness of lower body structure, increases
Plus bearing capacity.
The front portion of lower body structure is provided with driver's cabin, outside the driver's cabin before be provided with anti-collision energy absorption device.
The front anti-collision energy absorption structure is three-level anti-collision structure, and middle part is collapsing structure, and top is rigid anti-deforming structure,
Bottom is transmission collision energy structure.
The lightweight composite is made up of general composite and modified composite material.
The present invention is had the advantages that compared with prior art：
1st, the technical program is as a result of vehicle body and car door is by skeleton and is covered in the skill that the thermo-plastic planking on skeleton surface is constituted
Art means, so, intensity, rigidity and the security of vehicle body and car door can be not only ensured, and vehicle body and car can be significantly mitigated
The weight of door.Main body as a result of electric automobile frame structure is the technological means being made up of crossbeam vehicle frame again, so, can
The strength and stiffness on chassis are effectively improved, when four wheel discontinuity, vehicle body will not also deform.Due also to adopting
With the technological means that battery flat is provided with the middle part of crossbeam vehicle frame, so, battery can be arranged on safest position, and be expanded
Big cab space.
2nd, the technical program is made up of multiple punching press rod members as a result of skeleton；Multiple punching press rod members are linked as by welding
The technological means of integrally formed cage type body frame, so, the strength and stiffness of vehicle body and car door can be improved.And as a result of
Thermo-plastic planking is fixedly connected to form the technological means of whole closing car body by screw and skeleton, so, it is simple to manufacture, is conducive to
Reduce production cost.
3rd, the technical program is carried out to the overall structure of body frame as a result of multiple beam columns, mast and support bar
Optimization, so, while ensure that intensity, rigidity and the security of vehicle body and car door, greatly reduce vehicle body and car door
The quantity of parts, greatly reduces production process, greatly reduces manufacturing cost.
4th, the technical program as a result of battery flat be by vehicle frame middle section structure as battery flat the bilge pass through bar
Part welds the technological means of the cage type frame structure to be formed, so, the materials of battery flat can be not only saved, the system of battery flat is reduced
This is caused, reduces the weight of battery flat, moreover, it is also possible to improve the strength and stiffness of vehicle frame.
5th, the technical program is forwardly convex as a result of the middle part before vehicle frame central structure, forms the front portion of vehicle frame,
The anterior both sides of vehicle frame are respectively arranged with wheel, and the rear portion of vehicle frame is the arc-shaped frame for swelling upwards, the arc car for swelling upwards
The technological means for being respectively arranged below wheel of frame both sides, so, the height of vehicle frame and vehicle body can be not only reduced, and is also had
Beneficial to the in-car space of increase.Again as a result of being separable assembled structure between vehicle frame and vehicle body, so, car can not changed
Under conditions of frame structure, various vehicle bodies and accessory for being suitable for the body frame structure for automotive are designed, be easy to repacking, reduce new product development
Cost.
6th, the technical program is formed with sheet stamping as a result of two energy-absorbing plates, and the edge of energy-absorbing plate is to side bending
90 °, multiple energy-absorbing holes in the middle part of energy-absorbing plate, are provided with, so, energy-absorbing plate is more yielding, can not only save anti-collision energy absorption device
Materials, mitigate anti-collision energy absorption device weight, moreover, it is also possible to greatly improve the energy-absorbing effect of anti-collision energy absorption device.And by
In employing two energy-absorbing plate longitudinal directions, vertically-arranged, the both sides being symmetrically distributed before outside the driver's cabin, before two energy-absorbing plates
The middle part of side is forwardly convex, the technological means that the two ends of transmission rod are fixedly connected with the middle part on front side of two energy-absorbing plates respectively, institute
The foremost of electric automobile is located at, transmission rod, it can be ensured that when colliding, transmission rod is first subject to impulse force, and by energy
Absorbed by the deformation of energy-absorbing plate, to avoid the damage at other positions of electric automobile.
7th, the technical program is as a result of advanced composite material (ACM) and the technological means of modified composite material, so, can be with
The advantage of composite is given full play to, for same parts, after making using composite, weight mitigates 20-30% compared with steel,
Simultaneously because using overall inner plate structure, making automobile door structure more simplified than orthodox car structure, quality is lighter.It is again multiple due to adopting
The technological means that condensation material compression molding method is fabricated by, so, integration degree is high, and design freedom is big, the flowing of material
Property and moulding process determine that all multiple components are capable of achieving disposal molding, can reduce mould, the quantity of frock and welding, assembling
Etc. operation, so as to significantly reduce cost.Advanced composite material (ACM) is being adopted due to door skin, with decay resistance, resistance to deformation
Property it is good, have certain self-reparing capability, body shell will not be damaged during slight hole is touched.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is further described in detail.
Fig. 1 is the vehicle body dimensional structure diagram of light-weight electric automobile of the present invention.
Fig. 2 is the upper body dimensional structure diagram of light-weight electric automobile of the present invention.
Fig. 3 is the dimensional structure diagram of the vehicle frame central structure of light-weight electric automobile of the present invention.
Fig. 4 is the dimensional structure diagram of the lower body structure of light-weight electric automobile of the present invention.
Fig. 5 is the dimensional structure diagram of the anti-collision energy absorption device of light-weight electric automobile of the present invention.
Specific embodiment
A kind of light-weight electric automobile, including the body structure of electric automobile as shown in Figure 1, the body structure include
Body construction 1, lower body structure 2 and automobile door structure 3.
As shown in Fig. 2 multiple stamping parts include under front wind shelves joist inner panel 5, right side under joist outside plate 4, front windshield
It is horizontal before AC post outside plates leading portion 6, right side AC post inner panels leading portion 7, left side AC post outside plates leading portion 8, left side AC post inner panel leading portions 9, roof
Beam outside plate 10, front roof cross rail inner panel 11, right lateral side enclose skeleton sill 12, right B pillar inner panel 13, right B pillar outside plate 14, the right side
Rear side wall skeleton entablature inner panel 15, right lateral side encloses skeleton entablature outside plate 16, top cover middle transverse beam 17, a left side B posts outside plate 18, left side
Side B posts inner panel 19, right side AC post outside plates back segment 20, right side AC post inner panels back segment 21, right side C posts inner panel 22, right side C post outside plates
23rd, left side C posts inner panel 24, left side C posts outside plate 25, top cap rear cross beam outside plate 26, top cover rear cross beam internal plate 27, left back side wall frame
Entablature inner panel 28, left back gusset skeleton entablature outside plate 29, left back gusset skeleton sill 30,
In left side C posts inner panel 31, left side C posts outside plate 32, left side bottom of door seam side 33, left side A posts outside plate 34, left side A posts
Plate 35, left side bottom of door seam side 36, right side A posts outside plate 37, right side A posts inner panel 38.
Upper body is combined with " cage structure " using " planer type structure ", and " planer type structure " is divided into " middle part planer-type knot again
Structure " and " rear portion planer type structure ", " middle part planer type structure " is by horizontal in right B pillar inner panel 13, right B pillar outside plate 14, top cover
Beam 17, left side B posts outside plate 18, left side B posts inner panel 19 constitute middle part gantry structure；" rear portion planer type structure " is by the C posts of right side
In plate 22, right side C posts outside plate 23, left side C posts inner panel 24, left side C posts outside plate 25, top cap rear cross beam outside plate 26, top cap rear cross beam
Plate 27 constitutes rear portion gantry structure；Twice planer type structure constitutes double gantry structures." double gantry structures " and left and right sides AC posts side
Beam is welded, and is formed " cage structure ".
As shown in figure 3, the vehicle frame central structure includes section bar and bending part, both are fixedly connected by welding, and constitute
" five vertical ten is horizontal " formula body frame structure for automotive.So-called " five indulge ", including " one indulges " by the left longeron 35 of vehicle frame, the left longeron 4 43 of vehicle frame is constituted；
" two indulge " by vehicle frame right vertical beam 36, longitudinal beam right vertical beam 4 49 is constituted；" three indulge " is made up of longitudinal beam 3 41；" four indulge "
It is made up of vehicle frame left side beam 39；" five indulge " is made up of beam on the right of vehicle frame 48." ten is horizontal " is by frame cross 1, vehicle frame middle cross beam two
37, the left crossbeam 2 38 of vehicle frame, the right crossbeam 2 50 of vehicle frame, vehicle frame middle cross beam 3 40, vehicle frame middle cross beam 4 42, vehicle frame middle cross beam five
45, the left crossbeam 5 44 of vehicle frame, the right crossbeam 5 47 of vehicle frame, vehicle frame middle cross beam 6 46 are constituted.Frame cross is welded successively with longeron, most
End form is into truss structure.
As shown in figure 4, the lower body structure includes front deck anticollision frame assembly 51, front wall frame welding assembly 52, car
Frame central structure 53, middle part are provided with battery flat 54, and vehicle frame back segment assembly 55 is constituted.
The technical program is as a result of vehicle body and car door are by skeleton and are covered in what the thermo-plastic planking on skeleton surface was constituted
Technological means, so, can not only ensure intensity, rigidity and the security of vehicle body and car door, and significantly can mitigate vehicle body and
The weight of car door.Main body as a result of electric automobile frame structure is the technological means being made up of crossbeam vehicle frame again, so,
The strength and stiffness on chassis can be effectively improved, when four wheel discontinuity, vehicle body will not also deform.Due also to
The technological means that battery flat is provided with the middle part of crossbeam vehicle frame is employed, so, battery can be arranged on safest position, and
Expand cab space.
Present embodiment is made up of multiple stamping parts as a result of skeleton；Multiple stamping parts are by welding the shape that is connected as a single entity
Into the technological means of cage type body frame, so, the strength and stiffness of vehicle body and car door can be improved.Again as a result of thermoplastic plate
Material is fixedly connected to form the technological means of whole closing car body by screw and skeleton, so, it is simple to manufacture, advantageously reduces life
Produce cost.
Also further as present embodiment is improved, as shown in figure 4, the battery flat 64 is by the vehicle frame
Portion's structure 63 welds the cage type frame structure to be formed as battery flat.
Present embodiment welds shape by rod member as battery flat bottom by vehicle frame central structure as a result of battery flat
Into cage type frame structure technological means, so, can not only save the materials of battery flat, reduce the manufacturing cost of battery flat,
Reduce the weight of battery flat, moreover, it is also possible to improve the strength and stiffness of vehicle frame.
Further improve as present embodiment, tie for separable assembled between the vehicle frame central structure 53 and vehicle body
Structure.That is, be split between vehicle frame central structure 53 and vehicle body, and can be by welding, riveting and/or bolt connection group
It is fitted together.
Present embodiment as a result of between vehicle frame and vehicle body be separable assembled structure, so, can get off not changing
Under conditions of body structure, various vehicle bodies and accessory for being suitable for the lower body structure are designed, is easy to the repacking of electric automobile, dropped
Low new product development cost.
Further improved as present embodiment again, as shown in figure 5, being provided with anticollision before lower body structure 2
Energy absorption device 51.
Present embodiment is as a result of the technological means that anti-collision energy absorption device is provided with before outside driver's cabin, institute
With the security collided in effectively can ensureing to travel.
As present embodiment improvement still further, as shown in figure 5, the anti-collision energy absorption device includes front deck anticollision
Column 64 on the left of skeleton, front deck anticollision skeleton right side uprights 58, connecting plate 62 on the left of front anti-collision beam, connecting plate on the right side of front anti-collision beam
57, front anti-collision beam 59, mounting rail 60 under front deck anticollision skeleton, front deck anticollision skeleton connecting plate 61 add on the left of front deck anticollision skeleton
Brutal 63, buttress brace 56 on the left of front deck anticollision skeleton.Connecting plate 62 on the left of front anti-collision beam 59, front anti-collision beam, on the right side of front anti-collision beam
Connecting plate 57 collectively constitutes anterior anticollision girder construction, column 64 and front deck anticollision skeleton right side uprights on the left of front deck anticollision skeleton
58, two collision prevention girders columns are formed using sheet stamping, and middle part is provided with multiple energy-absorbing holes, two energy-absorbing plate longitudinal directions, vertically-arranged, symmetrical
It is distributed in anti-collision energy absorption device both sides, connecting plate 62 on the left of both sides and front anti-collision beam, on the right side of front anti-collision beam, connecting plate 57 connects, main
It act as the energy-absorbing in collision process.When colliding, connecting plate 62 on the left of front anti-collision beam, connecting plate on the right side of front anti-collision beam
57 are first impacted, and energy is absorbed by the deformation of energy-absorbing plate, to avoid the damage at other positions of electric automobile.It is simultaneously anti-
Hit energy absorption device with bolts with vehicle body, can be convenient for changing after an impact, facilitate later period maintenance.
Further improve as present embodiment, the integrally-built design of the vehicle body, the design of the skeleton structure
It is designed using Hypermesh finite-element preprocessings software and Optistruct topological optimization softwares.
Present embodiment has with Hypermesh as a result of the integrally-built design of vehicle body, the design of skeleton structure
The technological means that the first pre-processing software of limit and Optistruct topological optimization softwares are designed, so, minimum weight structure can be obtained
Design.
Claims (8)
1. a kind of body structure of light-weight electric automobile, including electric automobile, the body structure include upper body structure, under
Body construction and automobile door structure, it is characterised in that：The body structure adopts chassis and body half-integral construction, has independent lower body
Structure, up/down car body are connected by A/B/C posts.The automobile door structure is skeleton construction.The body structure be distributed with for
Fixed threaded securing bores, interior exterior trim conveniently can be installed, while inner side adopts advanced composite material (ACM), outside is using modified compound
Material；The battery cabin structure two parts of the lower body structure mainly by vehicle frame central structure and in the middle part of vehicle frame are constituted, the car
Battery flat structure bottom in the middle part of frame by crossbeam vehicle frame as battery flat bottom, top welds to form cage type frame by rod member
Frame structure.
2. light-weight electric automobile according to claim 1, it is characterised in that：The body structure is by multiple stamping parts structures
Into；Multiple stamping parts are connected as a single entity to form cage type body frame by welding；The inner and outer surfaces distribution of cage type body frame
Have for fixing the threaded securing bores of the composite and advanced composite material (ACM)；The composite and advanced composite material (ACM) are logical
Cross screw whole closing car body is fixedly connected to form with the cage type body frame.
3. according to the light-weight electric automobile described in claim 2, it is characterised in that：Multiple punching press rod members include beam column class work
Part, mast and support rod workpieces；The beam rod workpieces include two reclinate longeron bars in front portion and four beam rails；
Both sides of described two anterior reclinate longeron bar genesis analysis at the top of vehicle body；Four beam rails divide from front to back
Cloth is between described two anterior reclinate longeron bars；The two ends of each beam rail respectively with described two front portions
Reclinate longeron bar is fixedly connected；The anterior composition front windshield reclinate with longeron bar of beam rail described in the first two
Framework；Three beam rails constitute vehicle body top framework with the rear portion of longeron bar afterwards；The mast include two front masts,
Mast after two middle masts and two；The upper end of described two front masts respectively with described two anterior reclinate longeron bars
Front end is fixedly connected；Described two front masts and beam rail one and beam rail two constitute the framework of front baffle board；Described two rear pillars
The upper end of bar is fixedly connected with described two anterior reclinate longeron rod rear ends respectively；The upper end of described two middle masts point
Do not weld in three two ends of beam rail, composition middle part gantry structure；The upper end of described two rear roofbolts is respectively at four two ends of beam rail
Welding, constitutes rear portion gantry structure；Twice planer type structure constitutes double planer type structures.
4. light-weight electric automobile according to claim 1, it is characterised in that：The vehicle frame central structure include section bar and
Bending part, both are fixedly connected by welding, and constitute " five vertical ten is horizontal " formula body frame structure for automotive.
5. light-weight electric automobile according to claim 1, it is characterised in that：The vehicle frame central structure and middle cell
Cabin Special composition stereochemical structure, while central structure of the battery flat by crossbeam vehicle frame, the two complements each other, that is, ensure that vehicle frame
Rigidity and intensity, while in turn ensure that the security of battery, while and rationally make use of the space of seat bottom, also ensure that
Security of the car load in side impact, as middle cell cabin adopts cage structure, can keep out A/B posts invading during side impact
Enter amount, farthest ensure the living space of driver and crew.
6. light-weight electric automobile according to claim 1, it is characterised in that：The front portion of crossbeam vehicle frame is provided with driving
Room, the vehicle frame front end are provided with anti-collision energy absorption device.
7. light-weight electric automobile according to claim 6, it is characterised in that：The front anti-collision energy absorption structure is anti-for three-level
Structure is hit, middle part is collapsing structure, and top is rigid anti-deforming structure, and bottom is transmission collision energy structure.
8. light-weight electric automobile according to claim 1, it is characterised in that：The lightweight composite is by new multiple
Condensation material and modified composite material are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075287.XA CN106515859A (en) | 2016-11-30 | 2016-11-30 | Lightweight electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075287.XA CN106515859A (en) | 2016-11-30 | 2016-11-30 | Lightweight electric car |
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|---|---|
| CN106515859A true CN106515859A (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611075287.XA Pending CN106515859A (en) | 2016-11-30 | 2016-11-30 | Lightweight electric car |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100038A (en) * | 2018-01-30 | 2018-06-01 | 中瑞德科(北京)工业设计有限公司 | Electric automobile body structure |
| CN108639162A (en) * | 2018-06-22 | 2018-10-12 | 江苏卡威汽车工业集团股份有限公司 | A kind of automotive light weight technology car body |
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| CN202378963U (en) * | 2011-12-29 | 2012-08-15 | 东风汽车股份有限公司 | Aluminum alloy vehicle body of electric minicar |
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| CN203268128U (en) * | 2013-04-22 | 2013-11-06 | 北京北方鸿瑞汽车技术有限公司 | Frame structure of electric automobile |
| CN103318263A (en) * | 2013-07-10 | 2013-09-25 | 北京北方鸿瑞汽车技术有限公司 | Lightweight electric vehicle |
| CN203958311U (en) * | 2014-07-29 | 2014-11-26 | 北京北方鸿瑞汽车技术有限公司 | A kind of chassis frame structure of battery-driven car |
| CN204472900U (en) * | 2015-03-06 | 2015-07-15 | 北京宏瑞汽车科技股份有限公司 | A kind of body frame structure for automotive of pure electric automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100038A (en) * | 2018-01-30 | 2018-06-01 | 中瑞德科(北京)工业设计有限公司 | Electric automobile body structure |
| CN108639162A (en) * | 2018-06-22 | 2018-10-12 | 江苏卡威汽车工业集团股份有限公司 | A kind of automotive light weight technology car body |
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Application publication date: 20170322 |