CN106143629B - Vehicle body framework construction - Google Patents
Vehicle body framework construction Download PDFInfo
- Publication number
- CN106143629B CN106143629B CN201610606310.7A CN201610606310A CN106143629B CN 106143629 B CN106143629 B CN 106143629B CN 201610606310 A CN201610606310 A CN 201610606310A CN 106143629 B CN106143629 B CN 106143629B
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- column
- side wall
- vehicle body
- assembly
- framework construction
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- 238000010276 construction Methods 0.000 title claims abstract description 69
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 84
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 84
- 239000004411 aluminium Substances 0.000 claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 138
- 230000002265 prevention Effects 0.000 claims description 30
- 208000002925 dental caries Diseases 0.000 claims description 28
- 238000010521 absorption reaction Methods 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 17
- 210000003205 muscle Anatomy 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 230000004308 accommodation Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 41
- 238000010586 diagram Methods 0.000 description 26
- 238000001125 extrusion Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- 210000002435 tendon Anatomy 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2054—Load carrying floors for commercial vehicles
Abstract
The invention discloses a kind of vehicle body framework constructions, including side wall assembly, side wall assembly includes A column assembly, B-pillar assembly and C column assembly, the top side rail that the A column assembly includes A column and extends to the C column assembly since A column and connect with the B-pillar assembly and C column assembly, top side rail is made of aluminum profile and inside has cavity.Vehicle body framework construction of the invention, using hollow aluminium profile, overall weight is small, intensity is high, and collision safety performance is more excellent, is conducive to electric car lightweight, can effectively extend electric car course continuation mileage;And be made through the top side rail of setting of aluminum profile, structure is simple, good rigidity, improves the rigidity property of body frame entirety.
Description
Technical field
The invention belongs to electric vehicle engineering fields, specifically, the present invention relates to a kind of vehicle body framework constructions.
Background technique
Electric car has energy-saving and environment-friendly advantage as a kind of new-energy automobile, and electric car increasingly becomes automobile
The hot spot of area research.The generally existing problem in electric car field is that accumulator of electric car course continuation mileage is limited at present, this
Limit the popularization and application of electric car.
The vehicle body of existing electric car is formed using steel plate punched, and complex forming technology is at high cost, and manufactured vehicle body is whole
Body weight is big, is unfavorable for electric car lightweight, cannot effectively extend electric car course continuation mileage, and metalwork production assembly and
Maintenance cost is higher, is unfavorable for reducing cost, is not able to satisfy energy conservation and environmental protection requirement.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides a kind of electricity
The vehicle body framework construction of electrical automobile, it is therefore an objective to meet vehicle lightweight requirements.
To achieve the goals above, the technical scheme adopted by the invention is as follows: vehicle body framework construction, including side wall assembly, side
Enclosing assembly includes A column assembly, B-pillar assembly and C column assembly, and the A column assembly includes A column and prolongs since A column
The top side rail for extending to the C column assembly and connecting with the B-pillar assembly and C column assembly, top side rail are made and interior using aluminum profile
Portion has cavity.
The top side rail includes surrounding the hollow body formed by multiple side walls and being set to hollow pipe intracorporal first to add
The inner cavity of hollow body is separated into multiple independent cavitys by strengthening tendons, the first reinforcing rib.
The top side rail has sequentially connected first top beam side wall, the second top beam side wall, third top beam side wall, the 4th top
Beam side wall, the 5th top beam side wall, the 6th top beam side wall and the 7th top beam side wall, the first top beam side wall and the second top beam side wall are used for
It is connect with exterior trimming parts, the B-pillar assembly is connect with third top beam side wall and the 4th top beam side wall, the C column assembly and third top
The connection of beam side wall, the 7th top beam side wall with front windshield and top cover assembly for connecting.
The 5th top beam side wall is to be obliquely installed relative to the 7th top beam side wall, the 5th top beam side wall and the 7th top
Angle between beam side wall is acute angle.
The 5th top beam side wall is that the inside inclined downward of downwardly the 7th top beam side wall extends, the 5th top beam
Angle between side wall and the 6th top beam side wall is obtuse angle.
The top side rail also has between the first top beam side wall and the 7th top beam side wall and direction the 7th
The convex ribs protruded above top beam side wall, convex ribs are connect with the first top beam side wall and the 7th top beam side wall.
There is cross reinforcing rib inside the top side rail, cross reinforcing rib by the inner cavity of top side rail be separated into four it is independent
Cavity.
The A column is made of aluminum profile and inside has cavity.
The A column includes surrounding the hollow body formed by multiple side walls and being set to hollow pipe intracorporal second to add
The inner cavity of hollow body is separated into multiple independent cavitys by strengthening tendons, the second reinforcing rib.
The A column has sequentially connected first A column side wall, the 2nd A column side wall, the 3rd A column side wall, the 4th A column
Side wall, the 5th A column side wall and the 6th A column side wall, the first A column side wall are oppositely arranged with the 3rd A column side wall, the 2nd A column side wall with
4th A column side wall, the 5th A column side wall and the 6th A column side wall are oppositely arranged and parallel with the 6th A column side wall.
The first A column side wall and the 3rd A column side wall are parallel.
The 2nd A column side wall and the first A column side wall and the 3rd A column side wall are perpendicular, the 2nd A column side wall with
The 6th A column side wall is parallel.
The 4th A column side wall is to be obliquely installed relative to the 2nd A column side wall, the 4th A column side wall and the 3rd A
Angle between column side wall is obtuse angle.
The 5th A column side wall is towards extending to form door opening seam allowance side on the outside of the 6th A column side wall.
The A column assembly further includes the A column connection structure connecting with the A column and the top side rail.
The A column connection structure includes A column attachment beam and connect with A column attachment beam and connect for the A column being oppositely arranged
Inner panel connects outside plate with A column, and A column connection outside plate is located at the outside of A column connection inner panel.
The B-pillar assembly includes the B column connecting with the top side rail and the B column reinforcing beam connecting with B column, B
Column and B column reinforcing beam are made of aluminum profile and inside has cavity.
The B column mainly includes surrounding the hollow body formed by multiple side walls and being set to hollow pipe intracorporal the
The inner cavity of hollow body is separated into multiple independent cavitys by three reinforcing ribs, third reinforcing rib.
The B column reinforcing beam mainly includes the hollow body formed being surrounded by multiple side walls and to be set to hollow pipe intracorporal
The inner cavity of hollow body is separated into multiple independent cavitys by the 4th reinforcing rib, the 4th reinforcing rib.
The B column mainly includes surrounding the first B column tube body formed by four side walls and being set to the first B column tube body
The inner cavity of first B column tube body is separated into multiple independent cavitys by interior third reinforcing rib, third reinforcing rib.
The B column reinforcing beam mainly includes surrounding the 2nd B column tube body formed by six side walls and being set to the 2nd B column tube
The inner cavity of 2nd B column tube body is separated into multiple independent cavitys by intracorporal 4th reinforcing rib, the 4th reinforcing rib.
The B column includes the first extension connecting with the first B column tube body, the B column reinforcing beam include with
Second extension of the 2nd B column tube body connection, has spacing and the spacing shape between the first extension and the second extension
At the locating slot for allowing sill strip assembly to be embedded in.
The C column assembly includes the C column connecting with the top side rail, and C column is made of aluminum profile and inside
With cavity.
The C column mainly includes surrounding the hollow body formed by multiple side walls and being set to hollow pipe intracorporal the
The inner cavity of hollow body is separated into multiple independent cavitys by five reinforcing ribs, the 5th reinforcing rib.
The cross section of the C column is stud.
The C column assembly further includes the C column connecting plate connecting with the top side rail and the C column.
The C column assembly further includes the first supporting beam connecting with the C column and the B-pillar assembly, the first support
Beam is located at the lower section of the top side rail, and the first supporting beam is made of aluminum profile.
The C column assembly further includes the second support for connecting and being located at the C column below first supporting beam
Beam, the second supporting beam are made of aluminum profile.
The side wall assembly further includes sill strip assembly, and sill strip assembly includes sill strip ontology, and sill strip ontology uses
Aluminum profile is made and inside has cavity, and sill strip ontology one end is connect with the A column assembly, the sill strip ontology other end and institute
State B-pillar assembly connection.
The 6th reinforcing rib for sill strip body interior to be divided into one group of cavity is equipped in the sill strip ontology.
The sill strip body upper part is equipped with hollow protrusion, and protrusion is structure as a whole with sill strip ontology.
The sill strip assembly further includes being set to the sill strip body interior and the battery for fixing battery is fixed
Structure, battery fixing structure include nutplate mounting bar and the battery being located on nutplate mounting bar installation nutplate, nutplate
Mounting bar is fixed on the bottom plate of sill strip ontology, and bottom plate is equipped with corresponding logical with the screw hole in battery installation nutplate
Hole.
The protrusion of the sill strip ontology be equipped with lower part seam allowance, raised one end be equipped with for institute on the A column assembly
If the connected seam allowance connecting plate of side seam allowance.
The vehicle body framework construction further includes the preceding floor assembly and rear floor assembly connecting with the side wall assembly, institute
Floor assembly includes floor front beam and seat beam before stating, it is described after floor assembly include rear floor front beam, be a pair of after
Plate stringer and rear Floor rear crossbeam, the pair of rear longitudinal floor beam are located at shape between rear floor front beam and rear Floor rear crossbeam
At afterframe, the floor front beam, seat beam, rear floor front beam, rear longitudinal floor beam and rear Floor rear crossbeam are adopted
It is made of aluminum profile and internal with cavity.
Be equipped between longitudinal floor beam after the pair of rear floor middle, rear floor middle and rear Floor rear crossbeam and
Floor front beam is parallel afterwards, and rear floor middle is made of aluminum profile and inside has cavity.
The both ends of floor front beam are connect with the side wall assembly after described, are equipped between side wall assembly and rear longitudinal floor beam
Subframe mounting rail, subframe mounting rail is made of aluminum profile and inside has cavity.
The seat beam includes seat front beam and seat rear cross beam, and the seat front beam is equipped with secondary instrument anti-rotation
Bracket, seat rear cross beam are equipped with parking brake mounting base.
It is equipped between floor middle and rear floor front beam after described and reinforces stringer, reinforced stringer and be made of aluminum profile
And it is internal with cavity.
Dismountable rear maintenance lid is equipped with after described between floor middle and rear Floor rear crossbeam.
Dismountable preceding maintenance lid is equipped between the reinforcement stringer and rear longitudinal floor beam.
Web beam is equipped between the reinforcement stringer and rear longitudinal floor beam, web beam is made of aluminum profile and inside
With cavity.
The vehicle body framework construction further includes the front longitudinal beam assembly connecting with the floor front beam, front longitudinal beam assembly packet
Sequentially connected front longitudinal beam leading portion, front longitudinal beam middle section and front longitudinal beam back segment are included, after front longitudinal beam leading portion, front longitudinal beam middle section and front longitudinal beam
Duan Caiyong aluminum profile is made and inside has cavity.
The cross section of the front longitudinal beam leading portion is the figure of eight.
The front longitudinal beam leading portion is that the tube body by two cross sections for octagon and inner hollow is formed by connecting.
The cross section in the front longitudinal beam middle section is the figure of eight.
The front longitudinal beam middle section is that the tube body by two cross sections for octagon and inner hollow is formed by connecting.
The front longitudinal beam back segment include surrounded by multiple side walls the hollow body formed and be set to hollow pipe it is intracorporal plus
The inner cavity of hollow body is separated into multiple independent cavitys by strengthening tendons, reinforcing rib.
The front longitudinal beam back segment has the accommodation groove for allowing the front longitudinal beam middle section to be embedded in.
The vehicle body framework construction further includes front anticollision beam assembly, and front anticollision beam assembly includes collision prevention girders ontology and energy-absorbing
Box, energy-absorption box are connect with collision prevention girders ontology and the front longitudinal beam leading portion.
The energy-absorption box is made of aluminum profile and inside has cavity, and the cross section of energy-absorption box is the figure of eight.
The energy-absorption box is that the energy-absorbing tube body by two cross sections for octagon and inner hollow is formed by connecting.
The cross section of the energy-absorbing tube body is octagon.
Two energy-absorbing tube bodies are the width direction arrangement along the collision prevention girders ontology.
The side wall of the energy-absorbing tube body is equipped with the crumple muscle protruded towards the inside of energy-absorption box.
The crumple muscle is triangular structure.
The collision prevention girders ontology is made of aluminium plate.
The collision prevention girders ontology uses cross section to be made for the aluminum profile of mu character shape and internal has cavity.
Vehicle body framework construction of the invention, using hollow aluminium profile, overall weight is small, intensity is high, collision safety
Performance is more excellent, is conducive to electric car lightweight, can effectively extend electric car course continuation mileage;And through the top side rail of setting
It is made of aluminum profile, structure is simple, good rigidity, improves the rigidity property of body frame entirety.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is the structural schematic diagram of body frame of the present invention;
Fig. 2 is the structural schematic diagram of another angle of body frame of the present invention;
Fig. 3 is the structural schematic diagram of the front anticollision beam assembly of the first structure;
Fig. 4 is the structural schematic diagram of energy-absorption box;
Fig. 5 is the cross-sectional view of energy-absorption box;
Fig. 6 is the structural schematic diagram of the front anticollision beam assembly of second of structure;
Fig. 7 is the structural schematic diagram of front longitudinal beam assembly;
Fig. 8 is the side view of front longitudinal beam assembly;
Fig. 9 is the partial structural diagram of front longitudinal beam assembly;
Figure 10 is the installation diagram in front longitudinal beam middle section Yu front longitudinal beam back segment;
Figure 11 is the structural schematic diagram in front longitudinal beam middle section;
Figure 12 is the sectional view of front longitudinal beam leading portion and front longitudinal beam middle section;
Figure 13 is the structural schematic diagram of front longitudinal beam back segment;
Figure 14 is the main view of front longitudinal beam back segment;
Figure 15 is the structural schematic diagram of side wall assembly;
Figure 16 is the structural schematic diagram of A column assembly;
Figure 17 is the structural schematic diagram of top side rail;
Figure 18 is the cross-sectional view of top side rail;
Figure 19 is the structural schematic diagram of A column;
Figure 20 is A-A cross-sectional view in Figure 19;
Figure 21 is B-B cross-sectional view in Figure 19;
Figure 22 is the structural schematic diagram of A column connection outside plate;
Figure 23 is the structural schematic diagram of B-pillar assembly;
Figure 24 is the main view of B-pillar assembly;
Figure 25 is C-C cross-sectional view in Figure 24;
Figure 26 is enlarged drawing at D in Figure 23;
Figure 27 is the enlarged drawing of B column column Yu top side rail junction;
Figure 28 is the structural schematic diagram of C column assembly;
Figure 29 is the cross-sectional view of C column;
Figure 30 is the structural schematic diagram of sill strip assembly;
Figure 31 is the decomposition diagram of sill strip assembly;
Figure 32 is the main view of sill strip assembly;
Figure 33 is E-E cross-sectional view in Figure 30;
Figure 34 is F-F cross-sectional view in Figure 30;
Figure 35 is the cross-sectional view of sill strip assembly;
Figure 36 is battery installation nutplate installation enlarged diagram;
Figure 37 is the installation diagram of B-pillar assembly Yu top side rail and sill strip assembly;
Figure 38 is the structural schematic diagram of side wall assembly Background Region;
Figure 39 is the main view of side wall assembly;
Figure 40 is the enlarged drawing of vehicle door bonnet lock mounting device;
Figure 41 is the structural schematic diagram for latching mounting plate;
Figure 42 is the main view of vehicle door bonnet lock mounting device;
Figure 43 is G-G cross-sectional view in Figure 42.
Figure 44 is the decomposition diagram of vehicle door bonnet lock mounting device;
Figure 45 is the substructure schematic diagram of floor assembly;
Figure 46 is the superstructure schematic diagram of floor assembly;
In the figure, it is marked as
100, front anticollision beam assembly;
101, collision prevention girders ontology;102, energy-absorption box;103, energy-absorbing tube body;104, crumple muscle;105, the first incline line;106,
Second side crest line;107, third incline line;108, the 4th incline line;109, the 5th incline line;110, the 6th incline line;111,
Heptalateral crest line;112, the 8th incline line;113, collision prevention girders mounting plate;
200, front longitudinal beam assembly;
201, front longitudinal beam leading portion;202, front longitudinal beam middle section;203, front longitudinal beam back segment;204, leading portion sealing plate;205, middle section is sealed
Plate;206, back segment sealing plate;207, accommodation groove;208, stiffening plate;209, supporting beam;210, front end face;211, rear end face;212,
One positioning surface;213, the second positioning surface;214, third positioning surface;215, cross reinforcing rib;
300, preceding floor assembly;301, floor front beam;302, seat front beam;303, seat rear cross beam;304, precedingly
Ontology before plate;305, ontology in preceding floor;306, ontology behind preceding floor;307, secondary instrument anti-rotation bracket;308, parking brake mounting base;
400, side wall assembly;
401, the first sealing plate;402, the second sealing plate;403, third sealing plate;
404, A column assembly;4401, A column;4402, A column connects outside plate;4403, A column attachment beam;4404, top side rail;
4405, front support beam;4406, preceding reinforcing beam;4407, the first top beam side wall;4408, the second top beam side wall;4409, third top beam
Side wall;4410, the 4th top beam side wall;4411, the 5th top beam side wall;4412, the 6th top beam side wall;4413, the 7th top beam side wall;
4414, convex ribs;4415, the first reinforcing rib;4416, the first A column side wall;4417, the 2nd A column side wall;4418, the 3rd A column side wall;
4419, the 4th A column side wall;4420, the 5th A column side wall;4421, the 6th A column side wall;4422, the second reinforcing rib;4423, sleeve
Nut;4424, fender mounting hole;4425, location hole;
405, B-pillar assembly;4501, B column;4502, B column reinforcing beam;4503, the first B column tube body;4504, first prolongs
Extending portion;4505, the 2nd B column tube body;4506, the second extension;4507, third reinforcing rib;4508, the 4th reinforcing rib;4509,
One mounting surface;4510, the second mounting surface;
406, C column assembly;4601, C column;4602, the 5th reinforcing rib;4603, C column connecting plate;4604, the first support
Beam;4605, the second supporting beam;
407, sill strip assembly;4701, sill strip ontology;4702, fixed frame is lifted;4703, nutplate mounting bar;
4704, battery installs nutplate;4705, rivet;4706, rear sealing plate;4707, preceding sealing plate;4708, seam allowance connecting plate;
408, vehicle door bonnet lock mounting device;4801, mounting plate is latched;4802, latch;4803, locking nut plate;
409, door opening seam allowance assembly;4901, seam allowance under door;4902, seam allowance behind the door;4903, seam allowance in front of the door;4904, side wall
Preceding seam allowance;4905, seam allowance on door;410, rear reinforcing beam;
500, rear floor assembly;501, rear floor front beam;502, subframe mounting rail;503, rear longitudinal floor beam;504,
Floor middle afterwards;505, rear Floor rear crossbeam;506, reinforce stringer;507, preceding maintenance lid;508, web beam;509, after
Overhaul lid;
600, front windshield lower beam;700, preceding head piece;800, top cover middle transverse beam;900, rear head piece.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.
As depicted in figs. 1 and 2, the present invention provides a kind of vehicle body framework constructions of electric car, mainly include preceding anticollision
Beam assembly, front longitudinal beam assembly, side wall assembly, preceding floor assembly and rear floor assembly, it is front anticollision beam assembly, front longitudinal beam assembly, preceding
Floor assembly and rear floor assembly are along X to setting gradually and be sequentially connected, before side wall assembly is vertically arranged at floor assembly and
It the two sides of floor assembly and is fixedly connected afterwards with preceding floor assembly and rear floor assembly.
As shown in figure 3, the energy-absorbing that front anticollision beam assembly 100 includes collision prevention girders ontology 101, connect with collision prevention girders ontology 101
Box 102 and the collision prevention girders mounting plate 113 being connect with energy-absorption box 102.As shown in figure 4, energy-absorption box 102 is made and interior using aluminum profile
Portion has cavity, and the cross section of energy-absorption box 102 is the figure of eight.
As shown in Figure 4 and Figure 5, it is octagon and both ends open, inner hollow that energy-absorption box 102, which is by two cross sections,
Energy-absorbing tube body 103 is formed by connecting, by raw material extrusion molding when production, using the rigidity of energy-absorption box 102 made of aluminum profile
It is good, light-weight, so that anticollision beam assembly 100 is met vehicle lightweight requirements.
As shown in figure 3, energy-absorption box 102 is arranged two on collision prevention girders ontology 101, two energy-absorption boxes 102 are along collision prevention girders sheet
The length direction of body 101 arranges that two energy-absorption boxes 102 are located at one end of collision prevention girders ontology 101, each energy-absorption box 102
One end and collision prevention girders ontology 101 are welded to connect, and the other end and collision prevention girders mounting plate 113 are welded to connect.As shown in Figure 4 and Figure 5, respectively
Two energy-absorbing tube bodies 103 of a energy-absorption box 102 are the width direction arrangement along collision prevention girders ontology 101, the width of collision prevention girders ontology 101
Degree direction is parallel with Z-direction, and the length direction of collision prevention girders ontology 101 is parallel with Y-direction, the length direction and X of energy-absorbing tube body 103
To parallel.
As shown in Figure 4 and Figure 5, the cross section of energy-absorbing tube body 103 is positive eight-sided formation, and energy-absorbing tube body 103 has eight
Side wall, two energy-absorbing tube bodies 103 are arranged symmetrically in Z-direction.There is a circle between the two neighboring side wall of energy-absorbing tube body 103
The incline line of arcuation, eight incline lines of energy-absorbing tube body 103 be circumferentially followed successively by the first incline line 105, second side crest line 106,
Third incline line 107, the 4th incline line 108, the 5th incline line 109, the 6th incline line 110, heptalateral crest line 111 and the 8th side
Crest line 112, two energy-absorbing tube bodies 103 are connected by the side wall between the first incline line 105 and the 8th incline line 112,
The integral structure that cross section is the figure of eight is formed, there are two skies separated by the side wall inside the energy-absorption box 102 of formation
Chamber.
As shown in Figure 4 and Figure 5, the side wall of energy-absorbing tube body 103 is equipped with the crumple protruded towards the inside of energy-absorbing tube body 103
Muscle 104, crumple muscle 104 are preferably triangular structure.Crumple muscle 104 is set, energy-absorption box 102 can be made to reach bursting according to setting
Contracting mode carries out the purpose of crumple, further increases energy-absorbing effect.
As shown in Figure 4 and Figure 5, a crumple muscle 104, two crumple muscle are respectively provided on the side wall of two energy-absorbing tube bodies 103
104 be to be arranged symmetrically on the same straight line parallel with Z-direction and in Z-direction.On each energy-absorbing tube body 103, crumple muscle
104 be in third incline line 107 initially towards the internal recess of energy-absorbing tube body 103 and towards the two of 107 two sides of third incline line
A side wall extends to form.
As shown in figure 3, crumple muscle 104 is disposed in proximity to the end position of energy-absorbing tube body 103 connecting with collision prevention girders ontology 101
Set place.Collision prevention girders ontology 101 by bending and molding, is had the advantages that good rigidity, light-weight, makes anticollision beam assembly using aluminium plate
100 meet vehicle lightweight requirements.
As shown in figure 3, collision prevention girders ontology 101 is connect with the front end of two energy-absorbing tube bodies 103, collision prevention girders mounting plate 113 with
The rear end connection of two energy-absorbing tube bodies 103, collision prevention girders mounting plate 113 are simultaneously used on body frame after front anticollision beam assembly
The front longitudinal beam assembly 200 of side connects.Collision prevention girders mounting plate 113 is made of aluminium plate, light-weight.
As shown in fig. 6, being the front anticollision beam assembly 100 of second of structure, the front anticollision beam assembly 100 and figure of this structure
The main difference of the front anticollision beam assembly 100 of the first structure shown in 3 is that collision prevention girders ontology 101 uses cross section for mesh
The aluminum profile of font is made and inside has cavity, and collision prevention girders ontology 101 made of the aluminum profile using mu character shape has rigidity
Advantage good, light-weight, energy-absorbing effect is good.
As shown in Figure 7 to 9, front longitudinal beam assembly 200 includes along X to sequentially connected leading portion sealing plate 204, front longitudinal beam leading portion
201, middle section sealing plate 205, front longitudinal beam middle section 202 and front longitudinal beam back segment 203, front longitudinal beam leading portion 201, front longitudinal beam middle section 202 and preceding
Stringer back segment 203 is made of aluminum profile and inside has cavity.
As shown in Figure 7 and Figure 8, front longitudinal beam leading portion 201, front longitudinal beam middle section 202 and front longitudinal beam back segment 203 are successively set along longitudinal direction
It sets, the front end in front longitudinal beam middle section 202 is fixedly connected by middle section sealing plate 205 with the rear end of front longitudinal beam leading portion 201, and preceding vertical
Beam leading portion 201 and front longitudinal beam middle section 202 are in X on parallel same straight line.Front longitudinal beam back segment 203 is relative to front longitudinal beam
Middle section 202 is to be obliquely installed, and front longitudinal beam back segment 203 is that the rear side inclined downward towards front longitudinal beam middle section 202 extends, in front longitudinal beam
The rear end of section 202 is fixedly connected with the upper end of front longitudinal beam back segment 203, and the lower end of front longitudinal beam back segment 203 is indulged with positioned at preceding
The floor front beam 301 of 202 rear side obliquely downward of beam middle section is fixedly connected.Floor front beam 301 is that body frame bottom is prolonged along Y-direction
The component stretched, floor front beam 301 are located between two sill strips of body frame bottom, and sill strip is along X to the portion of extension
Part.Front longitudinal beam back segment 203 is arranged to heeling condition, front longitudinal beam leading portion 201 and front longitudinal beam middle section 202 are in front longitudinal beam back segment 203
It, to extension, is transmitted conducive to the power of head-on crash on floor front beam 301 along X top.
As shown in figures 7 and 12, it is octagon and both ends open, inside that front longitudinal beam leading portion 201, which is by two cross sections,
Hollow tube body is formed by connecting, by raw material extrusion molding when production, using the rigid of front longitudinal beam leading portion 201 made of aluminum profile
It spends, is light-weight, front longitudinal beam assembly 200 is made to meet vehicle lightweight requirements.The length direction of front longitudinal beam leading portion 201 and X are to phase
In parallel, two hollow bodies of front longitudinal beam leading portion 201 are along Z-direction arrangement and are arranged symmetrically in Z-direction.Front longitudinal beam leading portion 201
The cross section of hollow body be positive eight-sided formation, hollow body has eight side walls, the two neighboring side wall of hollow body
Between with an arc-shaped incline line.One side wall phase of one side wall of one hollow body and another hollow body
Connection, forms the integral structure that cross section is the figure of eight, and the inside of the front longitudinal beam leading portion 201 of formation by this with being connected
Two cavitys that side wall separates.
As shown in Fig. 7, Figure 11 and Figure 12, front longitudinal beam middle section 202 be by two cross sections octagon and both ends open,
The tube body of inner hollow is formed by connecting, by raw material extrusion molding when production, using front longitudinal beam middle section 202 made of aluminum profile
Good rigidity, light-weight, so that front longitudinal beam assembly 200 is met vehicle lightweight requirements.The length direction and X in front longitudinal beam middle section 202
To parallel, two hollow bodies in front longitudinal beam middle section 202 are along Z-direction arrangement and are arranged symmetrically in Z-direction.Front longitudinal beam middle section
The cross section of 202 hollow body is positive eight-sided formation, and hollow body has eight side walls, the two neighboring side of hollow body
With the incline line of an arc-shaped between wall.One side wall of one hollow body and a side wall of another hollow body
It is connected, forms the integral structure that cross section is the figure of eight, the inside in the front longitudinal beam middle section 202 of formation has is connected by this
Two cavitys separating of side wall.
As shown in fig. 7, front longitudinal beam leading portion 201 and front longitudinal beam middle section 202 are the beam body of both ends open, inner hollow, it is preceding vertical
The front end of beam leading portion 201 and leading portion sealing plate 204 are welded to connect, and leading portion sealing plate 204 is for anti-with front anticollision beam assembly 100
It hits beam mounting plate 113 to be fixedly connected, the rear end of front longitudinal beam leading portion 201 and middle section sealing plate 205 are welded to connect, front longitudinal beam middle section
202 front end and middle section sealing plate 205 are welded to connect, and the rear end in front longitudinal beam middle section 202 and back segment sealing plate 206 are welded to connect,
Leading portion sealing plate 204, middle section sealing plate 205 and back segment sealing plate 206 are all made of aluminium plate and are made, light-weight.
As shown in Fig. 7, Figure 10 and Figure 11, the front end face 210 in front longitudinal beam middle section 202 is located at the surface patch of middle section sealing plate 205
It closes and with X to perpendicular plane, there are two octagonal opening, back segment sealing plates for tool on the rear end face 211 in front longitudinal beam middle section 202
206 contact with rear end face 211 and by the two closure of openings, and the rear end face 211 in front longitudinal beam middle section 202 is relative to front end face 210
For the tapered plane extended towards the rear side inclined downward in front longitudinal beam middle section 202, the angle of rear end face 211 and X between is acute angle
Or obtuse angle, and corner dimension of the length direction and X of the angle and front longitudinal beam back segment 203 of rear end face 211 and X between
It is equal.The intrusion volume of front apron when the front longitudinal beam middle section 202 of this structure can reduce central collision guarantees member's living space.
As shown in Figure 13 and Figure 14, front longitudinal beam back segment 203 includes surrounding the hollow body formed and setting by multiple side walls
In the intracorporal reinforcing rib of hollow pipe, the inner cavity of hollow body is separated into multiple independent cavitys by reinforcing rib, using aluminum profile system
At front longitudinal beam back segment 203 good rigidity, light-weight, so that front longitudinal beam assembly is met vehicle lightweight requirements.In the present embodiment,
Front longitudinal beam back segment 203 includes surrounding the hollow body formed by four side walls and being set to intracorporal two crosses of hollow pipe to reinforce
Muscle 215, the cross section of hollow body are rectangle, and two cross reinforcing ribs 215 are arranged side by side and are connected, two cross reinforcing ribs
215 and the rectangular inner cavity of hollow body is separated into six independent cavitys.
As shown in Fig. 7, Figure 13 and Figure 14, the upper end of front longitudinal beam back segment 203, which is equipped with, allows 202 locally embedding of front longitudinal beam middle section
Accommodation groove 207, the rear end in front longitudinal beam middle section 202 at accommodation groove 207 with front longitudinal beam back segment 203 be welded to connect.The accommodating
Slot 207 be since the upper surface of front longitudinal beam back segment 203 downward front longitudinal beam back segment 203 internal recess formed, and by
Milling Process forms on aluminum profile.Accommodation groove 207 is preferably U-lag, the shape phase with the octagon tube body in front longitudinal beam middle section 202
It adapts to, the inner wall of accommodation groove 207 includes be in U-shape the first positioning surface 212, the second positioning surface 213 and the third positioning surface of distribution
214, the first positioning surface 212 and third positioning surface 214 are to be oppositely arranged, and the second positioning surface 213 is located at the first positioning surface 212 and the
Between three positioning surfaces 214 and both sides of the edge are connect with the lower edge of the first positioning surface 212 and third positioning surface 214, the second positioning
Angle between face 213 and the first positioning surface 212 and third positioning surface 214 is 135 degree, the second positioning surface 213 and for X to phase
Parallel plane.First positioning surface 212, the second positioning surface 213 and third positioning surface 214 bottom with front longitudinal beam middle section 202 respectively
Side wall fitting in continuous three side walls in portion.Therefore by the way that accommodation groove 207 is arranged with before in the upper end of front longitudinal beam back segment 203
Stringer middle section 202 matches, and contact area is big, convenient for being determined when front longitudinal beam back segment 203 and front longitudinal beam middle section 202 assemble
Position, docks front longitudinal beam back segment 203 accurately and rapidly with front longitudinal beam middle section 202, improves assembly efficiency, improves front longitudinal beam back segment
203 with the bonding strength and reliability in front longitudinal beam middle section 202.
As shown in fig. 7, front longitudinal beam assembly 200 further includes being welded to connect with front longitudinal beam middle section 202 and front longitudinal beam back segment 203
Stiffening plate 208.Stiffening plate 208 is set to the lower section in front longitudinal beam middle section 202, a part of stiffening plate 208 and front longitudinal beam middle section 202
Bottom be welded to connect, the upper end of another part and front longitudinal beam back segment 203 is welded to connect, and improves front longitudinal beam back segment 203 with before
The bonding strength and reliability in stringer middle section 202.
As shown in fig. 7, front longitudinal beam assembly 200 further includes the supporting beam 209 connecting with front longitudinal beam back segment 203, supporting beam 209
The two sides of front longitudinal beam back segment 203 are set to along Y-direction.The front end of supporting beam 209 and front longitudinal beam back segment 203 are welded to connect, rear end
Portion and floor front beam 301 are welded to connect.
As depicted in figs. 1 and 2, parallel two are arranged along Y-direction in front longitudinal beam assembly 200, two front longitudinal beam assemblies 200
The lower end of front longitudinal beam back segment 203 and the floor front beam 301 of rear side are welded to connect, front longitudinal beam leading portion 201 and front longitudinal beam middle section
202 are located at the front upper place of floor front beam 301.
As shown in figure 15, side wall assembly includes A column assembly 404, B-pillar assembly 405, C column assembly 406 and sill strip assembly
407.As shown in figure 16, A column assembly 404 extends to including A column 4401 and since A column 4401 C column assembly 406
And the top side rail 4404 connecting with B-pillar assembly 405 and C column assembly 406, i.e. top side rail 4404 are the whole length along side wall assembly
Direction is extended, and top side rail 4404 is simultaneously made of aluminum profile and internal has cavity.
As shown in Figure 15 and Figure 16, top side rail 4404 is the component at the top of side wall assembly, and sill strip assembly 407 is position
Component in side wall assembly bottom, top side rail 4404 and sill strip assembly 407 and A column 4401, B-pillar assembly 405 and C column are total
The main structure for connecting and composing side wall assembly at 406.The material of top side rail 4404 is aluminum profile, by raw material extrusion molding,
Then there will be the tubing of the cavity structure molded according to vehicle body design shape bending, top side rail 4404 can be formed.Such as figure
Shown in 17 and Figure 18, top side rail 4404 includes surrounding the hollow body formed by multiple side walls and being set to hollow pipe intracorporal the
One reinforcing rib 4415, the inner cavity of hollow body is separated into multiple independent cavitys by the first reinforcing rib 4415, using aluminum profile system
At top side rail 4404 good rigidity, light-weight, so that A column assembly 404 is met vehicle lightweight requirements.
Top side rail 4404 is uniform beam, and cross-sectional structure is as shown in figure 18, and top side rail 4404 has sequentially connected
First top beam side wall 4407, the second top beam side wall 4408, third top beam side wall 4409, the 4th top beam side wall 4410, the 5th top beam
Side wall 4411, the 6th top beam side wall 4412 and the 7th top beam side wall 4413.First top beam side wall 4407 and the second top beam side wall
4408 for installing the exterior trimming parts of electric car body, and the exterior trimming parts at the top of vehicle body can pass through fastener and/or the side of clamping
Formula is installed on top side rail 4404, easy disassembly.B-pillar assembly 405 and third top beam side wall 4409 and the 4th top beam side wall 4410
Connection, C column assembly 406 are connect with third top beam side wall 4409, and the 7th top beam side wall 4413 is for installing front windshield and top
Cap assembly, the 6th top beam side wall 4412 is used to install other beam bodies at the top of body frame, such as front windshield lower beam 600, sinciput
Crossbeam 700, top cover middle transverse beam 800 and rear head piece 900, front windshield are mounted on front windshield lower beam 600 and preceding head piece
On 700, top cover assembly is mounted on preceding head piece 700, top cover middle transverse beam 800 and rear head piece 900.
On body frame, there are two side wall assembly, the top side rails 4404 of two side wall assemblies to distinguish front windshield for tool
Support, therefore the 7th of the roof as top side rail 4404 are provided to front windshield and top cover assembly with one end of top cover assembly
The width direction of top beam side wall 4413 and X are to parallel.As shown in figure 18, third top beam side wall 4409 and the 4th top beam side wall
4410 as top side rail 4404 bottom wall portion and with the 7th top beam side wall 4413 be oppositely arranged, 4407 He of the first top beam side wall
6th top beam side wall 4412 is located at the side of the 7th top beam side wall 4413 and the same side towards the 7th top beam side wall 4413
Extend, the first top beam side wall 4407 and the 6th top beam side wall 4412 are to be oppositely arranged, the second top beam side wall 4408 and the 5th top beam
Side wall 4411 is to be oppositely arranged.
Preferably, as shown in figure 18, the 5th top beam side wall 4411 and the 6th top beam side wall 4412 are used as top side rail
4404 are located at the side wall of driver's cabin side, and the 6th top beam side wall 4412 is relative to the 7th top beam side wall being substantially in a horizontal state
4413 are vertically arranged, substantially 90 degree of the angle between the 6th top beam side wall 4412 and the 7th top beam side wall 4413, the 5th top
Beam side wall 4411 is to be obliquely installed relative to the 7th top beam side wall 4413 being substantially in a horizontal state, the 5th top beam side wall 4411 with
Angle between 7th top beam side wall 4413 is acute angle, and the 5th top beam side wall 4411 is downwardly the 7th top beam side wall
4413 inside inclined downward extends, and the angle between the 5th top beam side wall 4411 and the 6th top beam side wall 4412 is obtuse angle, the
The upper end of five top beam side walls 4411 is connect with the lower end of the 6th top beam side wall 4412, and the lower end of the 5th top beam side wall 4411 is biased to the
Three top beam side walls 4409.5th top beam side wall 4411 of top side rail 4404 is located at the above-head of occupant, and by the 5th top beam side
It is to extend towards outside inclined downward that wall 4411, which is disposed relative to occupant's head, so as to improve passenger head sky
Between, improve riding comfort.
Preferably, being arc transition between two to be connected the top beam side wall of top side rail 4404 as shown in figure 18
Connection, the first top beam side wall 4407 and the second top beam side wall 4408 are V-arrangement arrangement, third top beam side wall 4409 and the 4th top beam side
Wall 4410 is V-arrangement arrangement, the first top beam side wall 4407, the second top beam side wall 4408, third top beam side wall 4409 and the 4th top beam
Side wall 4410 is to be obliquely installed relative to the 7th top beam side wall 4413 being in a horizontal state, the first top beam side wall 4407 and second
Angle between top beam side wall 4408 is obtuse angle, and the angle between the second top beam side wall 4408 and third top beam side wall 4409 is blunt
Angle, the angle between third top beam side wall 4409 and the 4th top beam side wall 4410 is obtuse angle, the 4th top beam side wall 4410 and the 5th
Angle between top beam side wall 4411 is obtuse angle.
Preferably, as shown in figure 18, top side rail 4404, which also has, is located at the first top beam side wall 4407 and the 7th top beam
The convex ribs 4414 that outer upper side between side wall 4413 and towards the 7th top beam side wall 4413 is protruded, convex ribs 4414 and the first top beam
The end of side wall 4407 is connected with the end of the 7th top beam side wall 4413, and the width of convex ribs 4414 is smaller, convex ribs 4414 and top margin
Seven top beam side walls of beam 4404 make the cross section of top side rail 4404 form closed ring structure.Protrusion is set on top side rail 4404
Convex ribs 4414, can increase the size of top side rail 4404, improve the whole rigidity of top side rail 4404.
Preferably, as shown in figure 18, the inside of top side rail 4404 also has first reinforcing rib 4415, first adds
Strengthening tendons 4415 are preferably that cross section is criss-cross cross reinforcing rib, and cross reinforcing rib makes to be formed four inside top side rail 4404 solely
Vertical cavity.First reinforcing rib 4415 has in the circumferential there are four end, the first end and the second top beam of the first reinforcing rib 4415
Side wall 4408 connects, and second end is in the junction of third top beam side wall 4409 and the 4th top beam side wall 4410 and third top beam side wall
4409 and the 4th top beam side wall 4410 connect, third end is in the junction of the 5th top beam side wall 4411 and the 6th top beam side wall 4412
It is connect with the 5th top beam side wall 4411 and the 6th top beam side wall 4412, the 4th end is connect with the 7th top beam side wall 4413.
Preferably, A column 4401 is made of aluminum profile and inside has cavity.As shown in figure 16, A column
4401 are vertically arranged, and the upper end of A column 4401 is connect by A column connection structure with the front end of top side rail 4404, lower end and
The front end of sill strip assembly 407 connects.As shown in figure 19, A column 4401 includes surrounding the hollow pipe formed by multiple side walls
Body and it is set to intracorporal second reinforcing rib 4422 of hollow pipe, the inner cavity of hollow body is separated into multiple by the second reinforcing rib 4422
Independent cavity makes hollow body and the integrated extrusion molding of the second reinforcing rib 4422 by raw material when production.Using aluminum profile
It is the good rigidity of manufactured A column 4401, light-weight, so that A column assembly 404 is met vehicle lightweight requirements.
A column 4401 is essentially uniform beam, and cross-sectional structure is as shown in figure 20, and A column 4401 has successively
The first A column side wall 4416, the 2nd A column side wall 4417, the 3rd A column side wall 4418, the 4th A column side wall 4419, the 5th A column of connection
Side wall 4420 and the 6th A column side wall 4421, the first A column side wall 4416 are to be oppositely arranged with the 3rd A column side wall 4418, the 2nd A column
Side wall 4417 is to be oppositely arranged with the 4th A column side wall 4419, the 5th A column side wall 4420 and the 6th A column side wall 4421, the 2nd A column
Side wall 4417 is simultaneously parallel with the 6th A column side wall 4421.First A column side wall 4416 is located at driver's cabin one as A column 4401
The side wall of side, the first A column side wall 4416 is for installing the components such as instrument desk and car door, therefore the width of the first A column side wall 4416
Direction is parallel with Y-direction, length direction is parallel with Z-direction.
Preferably, as shown in figure 20, the first A column side wall 4416 and the 3rd A column side wall 4418 are parallel, the 2nd A column
Side wall 4417 and the first A column side wall 4416 and the 3rd A column side wall 4418 are perpendicular, the 2nd A column side wall 4417 and the 6th A column side wall
4421 is parallel.The width direction of 2nd A column side wall 4417 and the 6th A column side wall 4421 and X are to parallel, length direction and Z
To parallel.Width of the width of 3rd A column side wall 4418 less than the first A column side wall 4416, the width of the 6th A column side wall 4421
Less than the width of the 2nd A column side wall 4417, the 4th A column side wall 4419 is to be obliquely installed relative to the 2nd A column side wall 4417, the 4th
Angle between A column side wall 4419 and the 3rd A column side wall 4418 is obtuse angle.5th A column side wall 4420 and the 6th A column side wall 4421
Perpendicular, one end of the 5th A column side wall 4420 is connect in the inside of the 6th A column side wall 4421 with the 4th A column side wall 4419, another
Between the 6th A column side wall 4421 and B-pillar assembly 405, i.e. a part of the 5th A column side wall 4420 is located in hollow body at end
Portion, another part are stretched out along X to towards the outside of hollow body, and the 5th A column side wall 4420 is outer towards the 6th A column side wall 4421
The part that side extends forms door opening seam allowance side.
Preferably, as shown in figure 20, the inside of A column 4401 also has second reinforcing rib 4422, second
Reinforcing rib 4422 is preferably that cross section is criss-cross cross reinforcing rib, and cross reinforcing rib makes to form four inside A column 4401
A independent cavity.Second reinforcing rib 4422 has in the circumferential there are four end, the first end and the first A of the second reinforcing rib 4422
Column side wall 4416 vertically connects, second end with the 2nd A column side wall 4417 is vertical connect, third end is vertical with the 3rd A column side wall 4418
Direct-connected to connect, the 4th end is connect with the 5th A column side wall 4420.
Preferably, as shown in figure 21, A column assembly 404 further includes being set on A column 4401 and for installing tightly
The sleeve nut 4423 of firmware, fastener are bolt, and the structure of sleeve nut 4423 is as well known in the skilled person
Like that, details are not described herein.First A column side wall 4416 of A column 4401 and the 3rd A column side wall 4418, which are equipped with, allows sleeve spiral shell
Mother 4423 insertion mounting holes, sleeve nut 4423 is packed into mounting hole by way of extruding, sleeve nut 4423 and with
Mounting hole is interference fit.By presetting sleeve nut 4423, is provided conveniently to install other components, improve installation effect
Rate.
As shown in Figure 15 and Figure 16, A column assembly 404 further includes that the A column connecting with A column 4401 and top side rail 4404 connects
Binding structure, A column connection structure include A column attachment beam 4403 and connect with A column attachment beam 4403 and connect for the A column being oppositely arranged
It connects inner panel (not shown) and connects outside plate 4402 with A column, A column connection outside plate 4402 is located at the outside of A column connection inner panel.A column
Attachment beam 4403 is perpendicular to the length direction towards the extension of the front of A column 4401 and the two along X, A column attachment beam 4403
Rear end and the upper end of A column 4401 be welded to connect, the front end of the front end of top side rail 4404 and A column attachment beam 4403, which is welded, to be connected
It connects, the rear end of top side rail 4404 and C column assembly 406 are welded to connect.A column attachment beam 4403 is preferably made of aluminum profile, A column
Attachment beam 4403 be uniform beam, the cross section of A column attachment beam 4403 and be rectangle, using A column attachment beam made of aluminum profile
It is 4403 good rigidity, light-weight, so that A column assembly 404 is met vehicle lightweight requirements.
As shown in Figure 15 and Figure 16, A column connection inner panel is connected outside plate 4402 with A column and is made of aluminium plate, in the connection of A column
The structure that plate connects outside plate 4402 with A column is essentially identical, have a generally triangular shape structure, and A column connection inner panel is located at A column connection outside plate
4402 inside, A column connect the 3rd A column side of outside plate 4402 and A column attachment beam 4403, top side rail 4404 and A column 4401
Wall 4418 is welded to connect, and A column connects the first A column side of inner panel and A column attachment beam 4403, top side rail 4404 and A column 4401
Wall 4416 is welded to connect, and A column, which connects between inner panel and A column connection outside plate 4402, has certain spacing, is formed cavity, is guaranteed knot
Structure intensity has good side impact energy-absorbing effect simultaneously.
As shown in figure 22, A column connection outside plate 4402 connects inner panel with A column with a location hole 4425 and one for pacifying
The mounting hole 4424 of fender is filled, location hole 4425 is to play to determine when connecting inner panel assembly with A column for A column connection outside plate 4402
Position effect, location hole 4425 and the rear side oblique upper for being located at mounting hole 4424.
As shown in figure 16, A column assembly 404 further includes being set to the front support beam 4405 of 4403 lower section of A column attachment beam and setting
It is placed in the preceding reinforcing beam 4406 of the lower section of front support beam 4405, A column attachment beam 4403 and front support beam 4405 is parallel and the two edge
Same direction extends towards the front side of A column 4401, and the rear end of front support beam 4405 and A column 4401 are welded to connect.Before
Reinforcing beam 4406 is to be obliquely installed in the lower section of front support beam 4405, and the upper end of preceding reinforcing beam 4406 and front support beam 4405 are welded
Connection, lower end and A column 4401 are welded to connect.Before the front support beam 4405 of A column assembly 404 is used for be mounted on body frame
Cabin inner part provides support, and the support strength of front support beam 4405 can be improved in the setting of preceding reinforcing beam 4406.
As shown in Figure 15 and Figure 23, B-pillar assembly 405 include the B column 4501 being connect with top side rail 4404 and with B column branch
The B column reinforcing beam 4502 that column 4501 connects, B column 4501 and B column reinforcing beam 4502 are made of aluminum profile and inside has
Cavity, B column 4501 are vertically arranged, and the upper end of B column 4501 and top side rail 4404 are welded to connect, lower end and sill strip
The rear end of assembly 407 connects.As shown in figure 25, B column 4501 includes that the first B column tube body formed is surrounded by multiple side walls
4503 and the third reinforcing rib 4507 that is set in the first B column tube body 4503, third reinforcing rib 4507 is by the first B column tube body 4503
Inner cavity be separated into multiple independent cavitys, make the first B column tube body 4503 and third reinforcing rib 4507 by raw material when production
Integrated extrusion molding.B column reinforcing beam 4502 mainly includes surrounding the 2nd B column tube body 4505 formed by multiple side walls and being set to
The inner cavity of 2nd B column tube body 4505 is separated by the 4th reinforcing rib 4508 in the 2nd B column tube body 4505, the 4th reinforcing rib 4508
Multiple independent cavitys make the 2nd B column tube body 4505 and the integrated extrusion molding of the 4th reinforcing rib 4508 by raw material when production.
Using the good rigidity of B column 4501 made of aluminum profile and B column reinforcing beam 4502, light-weight, meet B-pillar assembly 405 whole
Vehicle lightweight requirements, and B column reinforcing beam 4502 can also improve the integral strength of B-pillar assembly 405.
First B column tube body 4503 be uniform beam, cross-sectional structure is as shown in figure 25, the first B column tube body 4503 be by
Four side walls surround the hollow body to be formed, and the cross section of the first B column tube body 4503 is rectangle.First B column tube body 4503
Inside be additionally provided with two third reinforcing ribs 4507, third reinforcing rib 4507 is preferably the reinforcing rib that cross section is linear type, the
The width direction of three reinforcing ribs 4507 is parallel with Y-direction, and third reinforcing rib 4507 is separated into the inner cavity of the first B column tube body 4503
Three independent cavitys, the B column 4501 of formation are the beam body that cross section is mu character shape.
2nd B column tube body 4505 is also uniform beam, and cross-sectional structure is as shown in figure 25, and the 2nd B column tube body 4505 is
The hollow body formed is surrounded by six side walls, and the cross section of the 2nd B column tube body 4505 is convex shape.2nd B column tube body
4505 inside is additionally provided with the 4th reinforcing rib 4508, and the 4th reinforcing rib 4508 is preferably the reinforcement that cross section is linear type
The width direction of muscle, the 4th reinforcing rib 4508 is parallel with Y-direction, and the 4th reinforcing rib 4508 makes the inner cavity of the 2nd B column tube body 4505
It is separated into large and small two independent cavitys.
As shown in Figure 15 and Figure 23, the length of B column reinforcing beam 4502 is less than the length of B column 4501, B column reinforcing beam
4502 is simultaneously total with sill strip in the rear side of B column 4501 and the welded connecting of B column 4501, the lower end of B column reinforcing beam 4502
It is welded to connect at 407.B column 4501 further includes the first extension 4504, B connecting with the lower end of the first B column tube body 4503
Column reinforcing beam 4502 further includes the second extension 4506 connecting with the lower end of the 2nd B column tube body 4505, the first extension 4504
Between the second extension 4506 there is spacing in Y-direction and the spacing forms the locating slot for allowing sill strip assembly 407 to be embedded in.The
The lower end surface of one B column tube body 4503 and the lower end surface alignment of the 2nd B column tube body 4505, the first extension 4504 is from the first B column
The lower end surface of tube body 4503 starts to be downwardly extending, and the first extension 4504 is simultaneously integrally formed with the first B column tube body 4503,
Second extension 4506 be downwardly extending since the lower end surface of the 2nd B column tube body 4505, the second extension 4506 and with
2nd B column tube body 4505 is integrally formed.It matches to form locating slot by the first extension 4504 and the second extension 4506,
Convenient for being positioned when B-pillar assembly 405 and sill strip assembly 407 assemble, make B-pillar assembly 405 accurately and rapidly with sill strip
407 grafting of assembly improves assembly efficiency.
Since the third top beam side wall 4409 of top side rail 4404 and the 4th top beam side wall 4410 are inclined-plane, so in B column branch
The upper end of column 4501 is equipped with the v-depression for allowing top side rail 4404 to be locally caught in, and B column 4501 is at v-depression and top side rail
4404 welding.As shown in Figure 26 and Figure 27, which is the downwardly B column since the top surface of B column 4501
4501 internal recess is formed, and by aluminum profile cutting processing form, the inner wall of v-depression includes V-shaped arrangement
First mounting surface 4509 and the second mounting surface 4510, the first mounting surface 4509 and the second mounting surface 4510 are tapered plane, the first peace
Dress face 4509 is connected with the lower end of the second mounting surface 4510 and angle between the two is less than 180 degree.First mounting surface 4509 is
It is bonded with the 4th top beam side wall 4410 of top side rail 4404, the second mounting surface 4510 is the third top beam side wall with top side rail 4404
4409 fittings.Therefore it being matched by the way that v-depression is arranged in the upper end of B column 4501 with top side rail 4404, contact area is big,
Convenient for being positioned when B-pillar assembly 405 and top side rail 4404 assemble, make B-pillar assembly 405 accurately and rapidly with top side rail
4404 docking, improve assembly efficiency, improve the bonding strength and reliability of B-pillar assembly 405 and top side rail 4404.
As shown in Figure 15 and Figure 28, C column assembly 406 includes the C column 4601 connecting with top side rail 4404, C column
4601 use aluminum profiles are made and inside has cavity.C column 4601 is vertically arranged, the upper end and top of C column 4601
Side bar 4404 is welded to connect.As shown in figure 29, C column 4601 mainly include surrounded by multiple side walls the hollow body formed and
It is set to intracorporal 5th reinforcing rib 4602 of hollow pipe, the inner cavity of hollow body is separated into multiple independences by the 5th reinforcing rib 4602
Cavity, make hollow body and the integrated extrusion molding of the 5th reinforcing rib 4602 by raw material when production.It is made of aluminum profile
C column have the advantages that good rigidity, light-weight, so that C column assembly 406 is met vehicle lightweight requirements.
C column is uniform beam, and cross-sectional structure is as shown in figure 29, and C column includes surrounding shape by four side walls
At hollow body and be set to intracorporal 5th reinforcing rib 4602 of hollow pipe, the 5th reinforcing rib 4602 is arranged one, slender acanthopanax
Strengthening tendons 4602 are preferably the reinforcing rib that cross section is linear type, and the width direction of the 5th reinforcing rib 4602 is parallel with Y-direction, and the 5th
Reinforcing rib 4602 makes the inside of C column form two independent cavitys, and the C column of formation is the beam that cross section is stud
Body.
As shown in figure 28, C column assembly 406 further includes the C column connecting plate connecting with top side rail 4404 and C column 4601
4603, C column connecting plates 4603 are made of aluminium plate, and C column connecting plate 4603 is located at the inside of C column 4601 (close to driving
The side of room), the upper end of C column connecting plate 4603 and the 6th top beam side wall 4412 of top side rail 4404 are welded to connect, C column connecting plate
The medial surface (close to the side of driver's cabin side) of 4603 lower end and C column 4601 is welded to connect, C column 4601 it is upper
End face is the tapered plane being bonded with the third top beam side wall 4409 of top side rail 4404 and is welded to connect with top side rail 4404 that C column connects
The bonding strength and reliability of fishplate bar 4603 raising C column assembly 406 and top side rail 4404.
As shown in figure 28, C column assembly 406 further includes the first supporting beam connecting with C column 4601 and B-pillar assembly 405
The connection of 4604 and C column 4601 and the second supporting beam 4605 for being located at 4604 lower section of the first supporting beam, the first supporting beam
4604 are located at the underface of top side rail 4404, the first supporting beam 4604 simultaneously, first supporting beam parallel with the second supporting beam 4605
4604 and second supporting beam 4605 be all made of aluminum profile and be made.First supporting beam 4604 is horizontal in C column 4601 and B column branch
Beam body between column 4501, the front end of the first supporting beam 4604 and B column 4501 are welded to connect, after the first supporting beam 4604
End is welded to connect with C column 4601.The front end of second supporting beam 4605 and B column reinforcing beam 4502 are welded to connect, the second support
The rear end of beam 4605 and the lower end of C column 4601 are welded to connect, and the second supporting beam 4605 is preferably that cross section is stud
Beam body.First supporting beam 4604 and the integral strength that C column assembly 406 can be improved with the setting of the second supporting beam 4605 improve C
The bonding strength and reliability of column assembly 406 and B-pillar assembly 405.
As shown in figure 38, side wall assembly 400 further includes the rear reinforcing beam 410 for being set to 4605 lower section of the second supporting beam, after
Reinforcing beam 410 and to be obliquely installed in the top of sill strip assembly 407, the upper end of rear reinforcing beam 410 and the second supporting beam 4605
It is welded to connect, lower end and B column reinforcing beam 4502 are welded to connect, and the rear side that the second supporting beam 4605 is located at sill strip assembly 407 is oblique
The integral strength of C column assembly 406 can be improved in top, the setting of rear reinforcing beam 410.
As shown in figures 30 and 31, sill strip assembly 407 includes sill strip ontology 4701, and sill strip ontology 4701 is level
Setting, the front end of sill strip ontology 4701 and the lower end of A column 4401 are welded to connect, the rear end of sill strip ontology 4701 and B
Column 4501 and B column reinforcing beam 4502 are welded to connect.As shown in figure 33, sill strip ontology 4701 includes being surrounded by multiple side walls
The hollow body of formation and it is set to intracorporal 6th reinforcing rib of hollow pipe, the inner cavity of hollow body is separated by the 6th reinforcing rib
Multiple independent cavitys make hollow body and the 6th reinforcing rib one extrusion molding by raw material when production.Using aluminum profile
Manufactured sill strip ontology 4701 has the advantages that good rigidity, light-weight, side impact energy-absorbing effect is good, keeps sill strip assembly 407 full
Sufficient vehicle lightweight requirements.
As shown in figures 30 and 31, the battery fixing structure for fixing battery is equipped with inside sill strip ontology 4701.Electricity
The inside of sill strip ontology 4701 is arranged in pond fixed structure, and tradition is arranged outside sill strip ontology 4701 relatively, and structure is steady
It is fixed reliable, and save sill strip lower space.
As shown in figs. 33 and 34, be equipped in sill strip ontology 4701 for by 4701 inside division of sill strip ontology at one
6th reinforcing rib of group cavity, the 6th reinforcing rib are T shape reinforcing rib.Battery fixing structure is located at 4701 bottom of sill strip ontology
Cavity in, that is, be mounted on the bottom plate of sill strip.
As shown in figs. 33 and 34, the top surface of sill strip ontology 4701 is equipped with hollow protrusion, protrusion and sill strip ontology
4701 are integrally formed, and protrusion is formed for being inserted by the first extension 4504 and the second extension 4506 of B-pillar assembly 405
In locating slot, the lower end surface of the first B column tube body 4503 and the 2nd B column tube body 4505 is bonded with the top surface of protrusion, the first extension
4504 and second extension 4506 be bonded respectively with a side of protrusion, the first extension 4504 and the second extension 4506
Lower end surface is simultaneously bonded with the top surface of sill strip ontology 4701, the lower end structure and sill strip ontology 4701 and protrusion of B-pillar assembly 405
It is welded to connect.
As shown in figs. 33 and 34, the both ends of sill strip ontology 4701 are equipped with sealing plate, and sealing plate is respectively preceding sealing plate 4707
With rear sealing plate 4706, two sealing plates are aluminium sheet, and weight is small.
4701 one end of sill strip ontology is connected with A column 4401,4701 other end of sill strip ontology and B-pillar assembly 405
It is connected, the lower end of A column 4401 and sill strip ontology 4701 is stuck in protrusion, and is connected by welding, and connection is reliable.Door
The protrusion of sill beam ontology 4701 is equipped with lower part seam allowance, and is located at raised one end and is equipped with for stopping with the side on A column 4401
The connected seam allowance connecting plate 4708 of mouth, improves the structural strength of seam allowance.
As shown in Figure 33 and Figure 36, battery fixing structure includes nutplate mounting bar 4703 and is located at nutplate mounting bar
Battery on 4703 installs nutplate 4704, and nutplate mounting bar 4703 is fixed on the bottom plate of sill strip ontology 4701, bottom plate
It is equipped with through-hole corresponding with the screw hole in battery installation nutplate 4704.
As shown in Figure 33 and Figure 36, the bottom plate of sill strip ontology 4701 is equipped with card slot, and nutplate mounting bar 4703 is inserted in
In card slot, 4703 installing and dismounting of nutplate mounting bar is easy, facilitates follow-up maintenance.Nutplate mounting bar 4703 is equipped with a pair of of card
Son, battery installation nutplate 4704 are stuck in a pair of of clamp, and battery installs 4704 simple installation of nutplate, and battery installs nutplate
4704 are equipped with project-welding nut.All parts are individual components, and by fitting together, structure is simple, easy to process, are fabricated to
This is low, replaces convenient for subsequent maintenance.
As shown in Figure 33 and Figure 36, it is one group that battery, which installs nutplate 4704, and uniform intervals are located at nutplate mounting bar
On 4703, after nutplate mounting bar 4703 is inserted into card slot, 4703 both ends of nutplate mounting bar are fixed on by the rivet 705 of core pulling
On the bottom plate of sill strip.Bolt on battery frame is matched with the screw hole in battery installation nutplate 4704, is carried out to battery
Fixed, sill strip uniform force, battery is fixed reliable.And entire battery fixing structure is located in sill strip ontology 4701, no
Exterior space is occupied, installation is facilitated.
As shown in figures 30 and 31, lifting fixed frame 4702 is equipped with below 4701 both ends of sill strip ontology, i.e. lifting is solid
On the bottom surface for determining the bottom plate that frame 4702 is fixed on sill strip ontology 4701, on nutplate mounting bar 4703 and lifting fixed frame 4702
Lower position is staggered, and lifting fixed frame 4702 is arranged by the outside of sill strip, and nutplate mounting bar 4703 is set on the inside of sill strip
It sets, guarantees the structural strength of sill strip ontology 4701, lifting fixed frame 4702 is aluminium profile structure, light-weight.Nutplate installation
Item 4703 and seam allowance connecting plate 4708 are aluminium sheet structure, and weight is small, are conducive to electric car lightweight.
As shown in figures 30 and 31, two lifting fixed frames 4702 are located at the both ends of sill strip, wherein being located at the act of front
The underface that fixed frame 4702 is located at A column 4401 is risen, the lifting fixed frame 4702 positioned at rear portion is located at B-pillar assembly 405
Underface, when being lifted by lifting fixed frame 4702 to vehicle body, the stress of both ends lifting fixed frame 4702 passes through sill strip respectively
It passes on A column 4401 and B-pillar assembly 405, reliable and stable, sill strip assembly 407 is not easy bending deformation.
As shown in figure 15, side wall assembly 400 further includes the vehicle door bonnet lock mounting device 408 being set in B-pillar assembly 405,
For installing the lock of door lock.As shown in Figure 40 to Figure 44, which includes lock mounting plate
4801, latch 4802, locking nut plate 4803, lock mounting plate 4801 are box like structure, latch 4802 and buckling nut
Plate 4803 is located in box like structure, and lock mounting plate 4801 is equipped with mounting hole, and locking nut plate 4803 is equipped with and mounting hole
The corresponding project-welding nut for fixed lock, locking nut plate 4803 are located at lock mounting plate 4801 by latch 4802
Inside has for 4803 adjusting position of locking nut plate between 4802 inner edge of edge and latch of locking nut plate 4803
Gap.4803 position of locking nut plate in lock catch mounting structure can be finely adjusted, convenient for the installation of vehicle door bonnet lock.
As shown in Figure 40 to Figure 44, formed on the inside of latch 4802 and lock mounting plate 4801 for placing locking nut plate
4803 cavity, latch 4802 are equipped with flange, by flanging welded in 4801 inside of lock mounting plate, the other sides of locking plate
While being flanging, locking nut plate 4803 is limited by flanging and flange, latch 4802 does not compress locking nut plate
4803, locking nut plate 4803 can carry out fine position.
As shown in Figure 40 to Figure 44, latch 4802 is equipped with through-hole, and the project-welding nut on locking nut plate 4803 passes through
Through-hole, lock mounting plate 4801 are equipped with mounting hole, and the through-hole on latch 4802 is corresponding with mounting hole.Project-welding nut passes through
Through-hole positions the intracorporal locking nut plate of chamber 4803, guarantees that the position of locking nut plate 4803 can only finely tune, lock peace
Dress is fixed conveniently.Preferably, lock mounting plate 4801 and locking nut plate 4803 and latch 4802 are aluminium sheet knot
Structure, weight is small, is conducive to electric car lightweight.
As shown in Figure 40 to Figure 44, lock mounting plate 4801 is equipped with the flange for being fixed on B column reinforcing beam 4502.
The flanging being arranged on lock mounting plate 4801 is connected with B column reinforcing beam 4502, latches the in-flanges being arranged on mounting plate 4801
It is connected with B column 4501, lock mounting plate 4801 is fixed reliable, and can reinforce B column 4501.Lock installation
4801 upper and lower ends of plate are equipped with flange, and the flange of upper and lower ends is fixed on the type face of small rectangle, latch mounting plate 4801
Flanging is fixed on big rectangular type face, and the fixing intensity of lock mounting plate 4801 is improved in fixed different type face.
As shown in Figure 15 and Figure 39, side wall assembly 400 further includes door opening seam allowance assembly 409, the door opening seam allowance assembly 409 packet
It includes seam allowance 4901 under the door being located in the protrusion of sill strip assembly 407, seam allowance 4905 on the door being located on top side rail 4404, be located at
Seam allowance in front of the door 4903 on A column 4401 and seam allowance 4902 behind the door being located on B column 4501, wherein seam allowance under door
4901, seam allowance 4905 on door, in front of the door seam allowance 4903 and seam allowance 4902 is aluminium sheet structure behind the door, guarantee that certain thickness is opposite
Traditional steel plate seam allowance is light-weight, and structural strength can guarantee simultaneously.The lower seam allowance 4901 of door is integrated with sill strip ontology 4701
Molding, seam allowance 4903 is the part that the 5th A column side wall 4420 stretches out outside the 6th A column side wall 4421, door opening seam allowance assembly 409 in front of the door
Structural strength can guarantee, save welding sequence, reduce cost.It is light-weight, be conducive to electric car lightweight, can effectively prolong
Long electric car course continuation mileage reduces use cost.
A column 4401 is connected with top side rail 4404 by connecting plate, and seam allowance 4903 passes through with seam allowance 4905 on door in front of the door
Seam allowance 4904 is connected before two side walls, and the inside of seam allowance 4904 connect outside plate 4402 and the connection of A column with A column respectively before two side walls
Inner panel is connected, and A column connection outside plate 4402 connects the aluminium sheet structure that inner panel is triangle with A column, and A column connects outside plate 4402 and A column
The top of connection inner panel is connected with top side rail 4404, and A column connects lower part and the A column of outside plate 4402 and A column connection inner panel
4401 connections, A column connect the side inside phase with seam allowance 4904 before a side wall respectively of outside plate 4402 and A column connection inner panel
Even.As shown in figure 39, seam allowance connecting plate 4708 is connect with seam allowance 4901 under the lower end of seam allowance 4903 in front of the door and door and front end, behind the door
Seam allowance 4901 and rear end connect under the lower end of seam allowance 4902 and door, front end and door of the seam allowance 4904 with seam allowance 4905 on door before side wall
The upper end of preceding seam allowance 4903 connects, and the rear end of seam allowance 4905 is connect with the upper end of seam allowance 4902 behind the door on door, forms closed ring
The door opening seam allowance assembly 409 of structure.
As shown in Figure 15 and Figure 39, side wall assembly 400 further includes the first sealing plate 401, the second sealing plate 402 and third sealing plate
403, the first sealing plate 401 is located at the top of the second sealing plate 402 and third sealing plate 403, and the second sealing plate 402 and third sealing plate 403 are
Arranged side by side and third sealing plate 403 is located at the rear side of the second sealing plate 402.First sealing plate 401, the second sealing plate 402 and third sealing plate
403 are made of aluminium plate, the first sealing plate 401 and top side rail 4404, B column 4501, the first supporting beam 4604 and C column
4601 are welded to connect, the second sealing plate 402 and B column 4501, B column reinforcing beam 4502, rear reinforcing beam 410 and the first supporting beam
4604 are welded to connect, and third sealing plate 403 and C column 4601, the first supporting beam 4604 and the second supporting beam 4605 are welded to connect.
As shown in Fig. 1, Figure 45 and Figure 46, the front end of preceding floor assembly 300 is connect with front longitudinal beam assembly 200, and preceding floor is total
It is connected at 300 rear end with the front end of rear floor assembly 500.Preceding floor assembly 300 includes that floor front beam 301 and seat are horizontal
Beam, floor front beam 301 be arranged two side wall assemblies 400 sill strip assembly 407 between, the both ends of floor front beam 301 with
The front end of two sill strip assemblies 407 is welded to connect and the length of the length direction of floor front beam 301 and sill strip assembly 407
Direction is perpendicular.Longitudinal floor beam 503 and rear Floor rear crossbeam after floor assembly 400 includes rear floor front beam 501, is a pair of afterwards
505, it is a pair of after longitudinal floor beam 503 be located between rear floor front beam 501 and rear Floor rear crossbeam 505 and form afterframe, floor
Front beam 301, seat beam, rear floor front beam 501, rear longitudinal floor beam 503 and rear Floor rear crossbeam 505 are all made of aluminium profiles
Material is made and inside has cavity.Wherein, rear floor front beam 501 is parallel with floor front beam 301, rear floor front beam
The rear end at 501 both ends and two sill strip assemblies 407, after 502 one end of subframe mounting rail is welded on sill strip assembly 407
End, by sill strip transition, preceding floor assembly 300 is connected with door floor assembly 500 by the way that rear floor front beam 501 is organic.Before
Floor assembly and rear floor assembly form entire Floor frame structure, it is ensured that whole structural strength.
As shown in Fig. 1, Figure 45 and Figure 46, floor front beam 301, a pair of of sill strip assembly 407, rear floor front beam 501
Preceding floor is equipped in the front baffle of formation, floor front beam 301, a pair of of sill strip assembly 407, rear floor front beam 501 are
Hollow aluminium profile structure, preceding floor are aluminium sheet structure.For aluminum profile by mold extrusion molding, weight is small, and structural strength is big, has
Conducive to electric car lightweight, it can effectively extend electric car course continuation mileage, use cost can be reduced.
For seat beam along X to being set between floor front beam 301 and rear floor front beam 501, seat beam is hollow
Aluminium profile structure.As shown in Fig. 1, Figure 45 and Figure 46, seat beam includes seat front beam 302 and seat rear cross beam 303, seat
Chair front beam 302 is equipped with secondary instrument anti-rotation bracket 307, and secondary instrument anti-rotation bracket 307 is u-bracket, to secondary instrument rear end into
Row is fixed, and prevents secondary instrument from rotating;Seat rear cross beam 303 is equipped with parking brake mounting base 308.Secondary instrument anti-rotation bracket 307 and hand
Brake mounting base 308 is aluminum component structure, light-weight.
As shown in Fig. 1, Figure 45 and Figure 46, floor front beam 301, seat front beam 302, seat rear cross beam 303, rear floor
Front beam 501 is mutually arranged in parallel, horizontal before floor front beam 301, seat front beam 302, seat rear cross beam 303, rear floor
Reinforcing rib is equipped with inside beam 501, structural strength is big.
It is ontology before preceding floor as shown in Fig. 1, Figure 45 and Figure 46, between floor front beam 301 and seat front beam 302
304, seat front beam and seat rear cross beam are ontology 305 in preceding floor, before being between seat rear cross beam and rear floor front beam
Ontology 306 behind floor.Preceding floor is divided into three independent sectors, guarantees the structural strength on floor.
As shown in Fig. 1, Figure 45 and Figure 46, rear floor assembly includes rear floor front beam 501, a pair of of subframe mounting rail
502, longitudinal floor beam 503 and rear Floor rear crossbeam 505 after a pair;Wherein, longitudinal floor beam 503 is located at cross before rear floor after a pair
Frame is formed between beam 501 and rear Floor rear crossbeam 505, i.e., rear longitudinal floor beam front end is welded on rear floor front beam, afterwards
Plate stringer rear end is welded in rear Floor rear crossbeam.
Floor front beam 501, subframe mounting rail 502, rear longitudinal floor beam 503 and rear Floor rear crossbeam 505 are afterwards
Hollow aluminium profile structure, for aluminium profile structure by mold extrusion molding, weight is small, and structural strength is big, is conducive to electric car
Lightweight can effectively extend electric car course continuation mileage, reduce use cost.The end of floor front beam 501 is welded on afterwards
The rear portion of sill strip assembly 407 on vehicle body, 502 one end of subframe mounting rail are connected with 407 rear end of sill strip assembly, subframe peace
The dress beam other end is connected with the front of rear longitudinal floor beam, improves structural strength.
Rear floor middle 9 is equipped with after a pair between longitudinal floor beam 503, the both ends of rear floor middle 9 are respectively welded pair
On the rear longitudinal floor beam answered, rear floor middle is parallel with rear Floor rear crossbeam and rear floor front beam.It is horizontal in floor afterwards
Beam is also hollow aluminium profile structure.
The floor between floor middle and rear Floor rear crossbeam is bolted on crossbeam afterwards, and lid is overhauled after formation
509, rear maintenance lid is detachable, and the convenient component to below rear maintenance lid overhauls.Floor middle and rear floor afterwards
It is equipped between front beam and reinforces stringer 506.The floor reinforced between stringer and rear longitudinal floor beam is fixed also by bolt, before formation
Lid 507 is overhauled, rear maintenance lid is detachable, and the convenient component to below rear maintenance lid overhauls.Lid 509 is overhauled afterwards
It is aluminium sheet structure with preceding maintenance lid 507, and is equipped with reinforcing rib in two lids, rear floor is divided into several independent parts
Point, light-weight, structural strength is big.It overhauls lid afterwards and preceding maintenance lid is dismountable cover board, can be dismantled down when needing
Come, convenient for below rear floor motor and the various control units of motor overhaul.Reinforce stringer and rear longitudinal floor beam it
Between be equipped with web beam 508.Reinforcement stringer is parallel with rear longitudinal floor beam, and web beam is parallel with rear floor front beam, adds
Strong stringer and web beam are hollow aluminium profile structure, improve structural strength.
As shown in Figure 1, front windshield lower beam 600, preceding head piece 700, top cover middle transverse beam 800 and rear head piece 900 and two
The top side rail 4404 of a side wall assembly 400 connects and composes the top frame structure of body frame, front windshield lower beam 600, sinciput
Crossbeam 700, top cover middle transverse beam 800 and rear head piece 900 are along X to setting gradually, front windshield lower beam 600, preceding head piece
700, the length direction of top cover middle transverse beam 800 and rear head piece 900 is parallel with Y-direction.The both ends of front windshield lower beam 600 and two
The front end of a top side rail 4404 is welded to connect, and the both ends of rear head piece 900 and the rear end of two top side rails 4404 are welded to connect, preceding
The both ends of head piece 700 are welded to connect at the arc transition of top side rail 4404 with two top side rails 4404, top cover middle transverse beam 800
Both ends be welded to connect with two top side rails 4404, front windshield is mounted on front windshield lower beam 600 and preceding head piece 700
On, top cover assembly is mounted on preceding head piece 700, top cover middle transverse beam 800 and rear head piece 900, and top cover assembly is for closing
It is wrapped with top cover middle transverse beam 800 and top cover middle transverse beam 800 with rear head piece 900 and two top side rails 4404 by preceding head piece 700
Enclose two openings to be formed.Front windshield lower beam 600, preceding head piece 700, top cover middle transverse beam 800 and rear head piece 900 are to adopt
Be made of aluminum profile and it is internal there is cavity, have the advantages that good rigidity, light-weight, so that body frame is met vehicle lightweight and want
It asks.
Front end, rear end involved in above content, X to, the nouns of locality such as Y-direction, Z-direction, X to, Y-direction and Z-direction be in automobile O-
Length direction, width direction and the short transverse of automobile are respectively indicated in XYZ coordinate system, the front end of all parts refers to close to vehicle
One end of head, rear end refer to close to one end of the tailstock.It requests to protect it should be appreciated that the use of the noun of locality should not limit the application
The range of shield.
The present invention is exemplarily described in conjunction with attached drawing above.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out;Or not
It is improved, above-mentioned conception and technical scheme of the invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (57)
1. vehicle body framework construction, including side wall assembly, side wall assembly includes that A column assembly, B-pillar assembly and C column assembly, feature exist
In, the A column assembly include A column and extended to since A column the C column assembly and with the B-pillar assembly and C
The top side rail of column assembly connection, top side rail is made of aluminum profile and inside has cavity;
B-pillar assembly includes the B column connecting with top side rail and the B column reinforcing beam connecting with B column, and B column and B column add
Brutal is made of aluminum profile and inside has cavity;
The upper end of B column is equipped with the v-depression for allowing the top side rail of A column assembly to be locally caught in, and top side rail has sequentially connected
First top beam side wall, the second top beam side wall, third top beam side wall, the 4th top beam side wall, the 5th top beam side wall, the 6th top beam side wall
With the 7th top beam side wall, the inner wall of v-depression includes the first mounting surface and the second mounting surface of V-shaped arrangement, the first mounting surface
It is bonded with the 4th top beam side wall, the second mounting surface is bonded with third top beam side wall;
B column reinforcing beam is welded to connect in the rear side and B column of B column, and B column includes being surrounded to be formed by multiple side walls
First B column tube body and it is set to the intracorporal third reinforcing rib of the first B column tube, B column reinforcing beam includes being surrounded to be formed by multiple side walls
The 2nd B column tube body and be set to intracorporal 4th reinforcing rib of the 2nd B column tube, the first B column tube body and the 2nd B column tube body are
It cuts section bar;The front end of first supporting beam and B column are welded to connect, and the rear end of the first supporting beam and C column are welded to connect, after
The upper end of reinforcing beam and the second supporting beam are welded to connect, and lower end and B column reinforcing beam are welded to connect.
2. vehicle body framework construction according to claim 1, which is characterized in that the top side rail includes being surrounded by multiple side walls
The hollow body of formation and it is set to intracorporal first reinforcing rib of hollow pipe, the inner cavity of hollow body is separated by the first reinforcing rib
Multiple independent cavitys.
3. vehicle body framework construction according to claim 1, which is characterized in that the first top beam side wall and the second top beam side
Wall with exterior trimming parts for connecting, and the C column assembly is connect with third top beam side wall, and the 7th top beam side wall is used for and front windshield
It is connected with top cover assembly.
4. vehicle body framework construction according to claim 3, which is characterized in that the 5th top beam side wall is relative to described
Seven top beam side walls are to be obliquely installed, and the angle between the 5th top beam side wall and the 7th top beam side wall is acute angle.
5. vehicle body framework construction according to claim 4, which is characterized in that the 5th top beam side wall is downwardly institute
The inside inclined downward for stating the 7th top beam side wall extends, and the angle between the 5th top beam side wall and the 6th top beam side wall is blunt
Angle.
6. vehicle body framework construction according to claim 4, which is characterized in that the top side rail also has positioned at described first
The convex ribs protruded between top beam side wall and the 7th top beam side wall and above the 7th top beam side wall of direction, convex ribs and the first top beam
Side wall and the connection of the 7th top beam side wall.
7. vehicle body framework construction according to claim 2, which is characterized in that inside the top side rail there is cross to reinforce
The inner cavity of top side rail is separated into four independent cavitys by muscle, cross reinforcing rib.
8. vehicle body framework construction according to any one of claims 1 to 7, which is characterized in that the A column uses aluminum profile
It is made and internal with cavity.
9. vehicle body framework construction according to claim 8, which is characterized in that the A column includes by multiple side wall packets
It encloses the hollow body to be formed and is set to intracorporal second reinforcing rib of hollow pipe, the second reinforcing rib separates the inner cavity of hollow body
At multiple independent cavitys.
10. vehicle body framework construction according to claim 8, which is characterized in that the A column has sequentially connected the
One A column side wall, the 2nd A column side wall, the 3rd A column side wall, the 4th A column side wall, the 5th A column side wall and the 6th A column side wall, the first A
Column side wall is oppositely arranged with the 3rd A column side wall, the 2nd A column side wall and the 4th A column side wall, the 5th A column side wall and the 6th A column side wall
It is oppositely arranged and parallel with the 6th A column side wall.
11. vehicle body framework construction according to claim 10, which is characterized in that the first A column side wall and the 3rd A
Column side wall is parallel.
12. vehicle body framework construction according to claim 11, which is characterized in that the 2nd A column side wall and the first A
Column side wall and the 3rd A column side wall are perpendicular, and the 2nd A column side wall is parallel with the 6th A column side wall.
13. vehicle body framework construction according to claim 12, which is characterized in that the 4th A column side wall is relative to described
2nd A column side wall is to be obliquely installed, and the angle between the 4th A column side wall and the 3rd A column side wall is obtuse angle.
14. vehicle body framework construction according to claim 10, which is characterized in that the 5th A column side wall is towards described
Door opening seam allowance side is extended to form on the outside of six A column side walls.
15. vehicle body framework construction according to claim 1, which is characterized in that the A column assembly further includes and the A column
The A column connection structure that pillar is connected with the top side rail.
16. vehicle body framework construction according to claim 15, which is characterized in that the A column connection structure includes the connection of A column
It beam and is connect with A column attachment beam and connects inner panel for the A column that is oppositely arranged and A column connects outside plate, A column connection outside plate is located at A
The outside of column connection inner panel.
17. vehicle body framework construction according to claim 1, which is characterized in that the B column mainly includes by multiple sides
Wall surrounds the hollow body to be formed and is set to the intracorporal third reinforcing rib of hollow pipe, and third reinforcing rib is by the inner cavity of hollow body
It is separated into multiple independent cavitys.
18. vehicle body framework construction according to claim 17, which is characterized in that the B column reinforcing beam mainly includes by more
A side wall surrounds the hollow body to be formed and is set to intracorporal 4th reinforcing rib of hollow pipe, and the 4th reinforcing rib is by hollow body
Inner cavity is separated into multiple independent cavitys.
19. vehicle body framework construction according to claim 17, which is characterized in that it is one that the 4th reinforcing rib, which is cross section,
The width direction of the reinforcing rib of font, the 4th reinforcing rib is parallel with Y-direction, and Y-direction indicates automobile in automobile O-XYZ coordinate system
Width direction, the 4th reinforcing rib make the inner cavity of the hollow body of B column reinforcing beam be separated into large and small two independent cavitys.
20. vehicle body framework construction according to claim 17, which is characterized in that the B column mainly includes by four
Side wall surrounds the first B column tube body to be formed and is set to the intracorporal third reinforcing rib of the first B column tube, and third reinforcing rib is by the first B
The inner cavity of column tube body is separated into multiple independent cavitys.
21. vehicle body framework construction according to claim 20, which is characterized in that the B column reinforcing beam mainly includes by six
A side wall surrounds the 2nd B column tube body to be formed and is set to intracorporal 4th reinforcing rib of the 2nd B column tube, and the 4th reinforcing rib is by second
The inner cavity of B column tube body is separated into multiple independent cavitys.
22. vehicle body framework construction according to claim 21, which is characterized in that the B column includes and the first B
First extension of column tube body connection, the B column reinforcing beam includes the second extension connecting with the 2nd B column tube body, the
There is spacing between one extension and the second extension and the spacing forms the locating slot for allowing sill strip assembly to be embedded in.
23. vehicle body framework construction according to claim 1, which is characterized in that the C column assembly includes and the top side rail
The C column of connection, C column is made of aluminum profile and inside has cavity.
24. vehicle body framework construction according to claim 23, which is characterized in that the C column mainly includes by multiple
Side wall surrounds the hollow body to be formed and is set to intracorporal 5th reinforcing rib of hollow pipe, and the 5th reinforcing rib will be in hollow body
Chamber is separated into multiple independent cavitys.
25. vehicle body framework construction according to claim 23, which is characterized in that the cross section of the C column is day word
Shape.
26. according to any vehicle body framework construction of claim 23 to 25, which is characterized in that the C column assembly further includes
The C column connecting plate being connect with the top side rail and the C column.
27. according to any vehicle body framework construction of claim 23 to 25, which is characterized in that the C column assembly further includes
The first supporting beam connecting with the C column and the B-pillar assembly, the first supporting beam are located at the lower section of the top side rail, the
One supporting beam is made of aluminum profile.
28. vehicle body framework construction according to claim 27, which is characterized in that the C column assembly further includes and the C column
The second supporting beam pillar connection and be located at below first supporting beam, the second supporting beam are made of aluminum profile.
29. vehicle body framework construction according to claim 1, which is characterized in that the side wall assembly further includes that sill strip is total
At sill strip assembly includes sill strip ontology, and sill strip ontology is made of aluminum profile and inside has cavity, sill strip ontology
One end is connect with the A column assembly, and the sill strip ontology other end is connect with the B-pillar assembly.
30. vehicle body framework construction according to claim 29, which is characterized in that be equipped in the sill strip ontology for inciting somebody to action
Sill strip body interior is divided into the 6th reinforcing rib of one group of cavity.
31. vehicle body framework construction according to claim 29, which is characterized in that the sill strip body upper part is equipped with hollow
Protrusion, protrusion be structure as a whole with sill strip ontology.
32. vehicle body framework construction according to claim 29, which is characterized in that the sill strip assembly further includes being set to
The sill strip body interior and for fixing the battery fixing structure of battery, battery fixing structure include nutplate mounting bar and
The battery installation nutplate being located on nutplate mounting bar, nutplate mounting bar are fixed on the bottom plate of sill strip ontology, bottom plate
It is equipped with through-hole corresponding with the screw hole in battery installation nutplate.
33. vehicle body framework construction according to claim 29, which is characterized in that the protrusion of the sill strip ontology is equipped with
Lower part seam allowance, raised one end are equipped with the seam allowance connecting plate for being connected with side seam allowance set on the A column assembly.
34. vehicle body framework construction according to claim 1, which is characterized in that further include being connect with the side wall assembly
Preceding floor assembly and rear floor assembly, the preceding floor assembly include floor front beam and seat beam, the rear floor assembly
Including longitudinal floor beam and rear Floor rear crossbeam after rear floor front beam, a pair, the pair of rear longitudinal floor beam is located at rear floor
Form afterframe between front beam and rear Floor rear crossbeam, the floor front beam, seat beam, rear floor front beam, afterwards
Plate stringer and rear Floor rear crossbeam are all made of aluminum profile and are made and internal have cavity.
35. vehicle body framework construction as claimed in claim 34, it is characterised in that: after being equipped between longitudinal floor beam after the pair of
Floor middle, rear floor middle and rear Floor rear crossbeam and rear floor front beam are parallel, and rear floor middle uses
Aluminum profile is made and inside has cavity.
36. vehicle body framework construction as claimed in claim 34, it is characterised in that: after described the both ends of floor front beam with it is described
Side wall assembly connection, is equipped with subframe mounting rail between side wall assembly and rear longitudinal floor beam, subframe mounting rail uses aluminum profile
It is made and internal with cavity.
37. vehicle body framework construction as claimed in claim 34, it is characterised in that: the seat beam include seat front beam and
Seat rear cross beam, the seat front beam are equipped with secondary instrument anti-rotation bracket, and seat rear cross beam is equipped with parking brake mounting base.
38. vehicle body framework construction as claimed in claim 35, it is characterised in that: floor middle and cross before rear floor after described
It is equipped between beam and reinforces stringer, reinforcement stringer is made of aluminum profile and inside has cavity.
39. vehicle body framework construction as claimed in claim 35, it is characterised in that: floor middle and cross behind rear floor after described
Dismountable rear maintenance lid is equipped between beam.
40. vehicle body framework construction as claimed in claim 35, it is characterised in that: between the reinforcement stringer and rear longitudinal floor beam
Equipped with dismountable preceding maintenance lid.
41. vehicle body framework construction as claimed in claim 35, it is characterised in that: between the reinforcement stringer and rear longitudinal floor beam
Equipped with web beam, web beam is made of aluminum profile and inside has cavity.
42. vehicle body framework construction according to claim 34, which is characterized in that further include being connect with the floor front beam
Front longitudinal beam assembly, front longitudinal beam assembly includes sequentially connected front longitudinal beam leading portion, front longitudinal beam middle section and front longitudinal beam back segment, front longitudinal beam
Leading portion, front longitudinal beam middle section and front longitudinal beam back segment are made of aluminum profile and inside has cavity;
Front longitudinal beam leading portion and front longitudinal beam middle section are in X on parallel same straight line, and front longitudinal beam back segment, which has, allows front longitudinal beam
The accommodation groove of middle section insertion, front longitudinal beam back segment is obliquely installed relative to front longitudinal beam middle section and front longitudinal beam back segment is towards front longitudinal beam
The rear side inclined downward in middle section extends, and the rear end in front longitudinal beam middle section connects at accommodation groove with the welding of the upper end of front longitudinal beam back segment
It connects, the lower end of front longitudinal beam back segment is fixedly connected with the floor front beam for being located at obliquely downward on rear side of front longitudinal beam middle section;
The front longitudinal beam assembly further includes the supporting beam connecting with front longitudinal beam back segment, and supporting beam is set to front longitudinal beam back segment along Y-direction
Two sides, the front end of supporting beam and front longitudinal beam back segment be welded to connect, and rear end is connect with floor front cross beam welding.
43. vehicle body framework construction according to claim 42, which is characterized in that the cross section of the front longitudinal beam leading portion is
The figure of eight.
44. vehicle body framework construction according to claim 43, which is characterized in that the front longitudinal beam leading portion is transversal by two
Face is formed by connecting for the tube body of octagon and inner hollow.
45. vehicle body framework construction according to claim 42, which is characterized in that the cross section in the front longitudinal beam middle section is
The figure of eight.
46. vehicle body framework construction according to claim 45, which is characterized in that the front longitudinal beam middle section is transversal by two
Face is formed by connecting for the tube body of octagon and inner hollow.
47. vehicle body framework construction according to claim 42, which is characterized in that the front longitudinal beam back segment includes by multiple sides
Wall surrounds the hollow body to be formed and is set to the intracorporal reinforcing rib of hollow pipe, and the inner cavity of hollow body is separated into more by reinforcing rib
A independent cavity.
48. vehicle body framework construction according to claim 42, which is characterized in that the front longitudinal beam back segment have allow it is described before
The accommodation groove of stringer middle section insertion.
49. vehicle body framework construction according to claim 42, which is characterized in that it further include front anticollision beam assembly, preceding anticollision
Beam assembly includes collision prevention girders ontology and energy-absorption box, and energy-absorption box is connect with collision prevention girders ontology and the front longitudinal beam leading portion.
50. vehicle body framework construction according to claim 49, which is characterized in that the energy-absorption box be made of aluminum profile and
Inside has cavity, and the cross section of energy-absorption box is the figure of eight.
51. vehicle body framework construction according to claim 50, which is characterized in that the energy-absorption box is to be by two cross sections
The octagon and energy-absorbing tube body of inner hollow is formed by connecting.
52. vehicle body framework construction according to claim 51, which is characterized in that the cross section of the energy-absorbing tube body is positive eight
Side shape.
53. vehicle body framework construction according to claim 51, which is characterized in that two energy-absorbing tube bodies are along described anti-
Hit the width direction arrangement of beam ontology.
54. vehicle body framework construction according to claim 51, which is characterized in that the side wall of the energy-absorbing tube body is equipped with court
The crumple muscle protruded to the inside of energy-absorption box.
55. vehicle body framework construction according to claim 54, which is characterized in that the crumple muscle is triangular structure.
56. according to any vehicle body framework construction of claim 49 to 55, which is characterized in that the collision prevention girders ontology uses
Aluminium plate is made.
57. according to any vehicle body framework construction of claim 49 to 55, which is characterized in that the collision prevention girders ontology uses
Cross section is that the aluminum profile of mu character shape is made and inside has cavity.
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CN108238105A (en) * | 2016-12-26 | 2018-07-03 | 上海同捷科技股份有限公司 | A kind of aluminum alloy auxiliary body frame structure for automotive |
CN109204495B (en) * | 2017-06-30 | 2020-11-06 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
CN109204561B (en) * | 2017-06-30 | 2020-08-07 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
JP6919406B2 (en) * | 2017-08-10 | 2021-08-18 | トヨタ自動車株式会社 | Vehicle side structure |
CN109249990A (en) * | 2018-10-16 | 2019-01-22 | 河南御捷时代汽车有限公司 | A kind of New pipe beam type Truck Frame Structure |
CN111376994A (en) * | 2018-12-28 | 2020-07-07 | 长城汽车股份有限公司 | Force transmission structure and vehicle |
CN112026928B (en) * | 2020-08-02 | 2023-01-13 | 江苏开沃汽车有限公司 | Passenger car 16-ring pure electric platform car body structure |
CN115140171B (en) * | 2022-06-28 | 2023-04-11 | 东风汽车集团股份有限公司 | Vehicle body structure and vehicle |
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