CN211568103U

CN211568103U - White automobile body frame of small-size pure electric vehicles

Info

Publication number: CN211568103U
Application number: CN201922444847.XU
Authority: CN
Inventors: 刘洋; 劳兵; 和丽梅; 苟金远; 黄岗
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-25
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a white automobile body frame of small-size pure electric vehicles, including lower automobile body assembly, two side wall assemblies and top cap assembly, two between the side wall assembly lower extreme respectively fixed connection in lower automobile body assembly's the left and right sides portion, two between the side wall assembly upper end respectively fixed connection in top cap assembly's the left and right sides portion, lower automobile body assembly the side wall assembly with top cap assembly encloses and establishes into cage frame construction, lower automobile body assembly includes two preceding girders, two doorsills, two back girders, a preceding floor longeron and a back floor longeron that from front to back transversely set gradually. The utility model discloses simple structure, mountable jumbo size battery, the continuation of the journey mileage is far away, and the security performance is strong.

Description

White automobile body frame of small-size pure electric vehicles

Technical Field

The utility model relates to an automobile frame field especially relates to a white automobile body frame of small-size pure electric vehicles.

Background

The existing small-sized pure electric automobile is limited by the size of an automobile body, a small-sized battery is generally adopted, the endurance mileage is short, and the trip of a customer is limited. Meanwhile, the small-sized pure electric automobile is light in weight, small in size, insufficient in energy absorption space and poor in safety, and passengers are difficult to be effectively protected in a collision accident.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve not enough among the prior art and accomplish, the utility model aims at providing a simple structure, mountable jumbo size battery, the mileage is far away, a small-size pure electric vehicles body-in-white frame that the security performance is strong.

The utility model discloses a white automobile body frame of small-size pure electric vehicles, including lower automobile body assembly, two side wall assemblies and top cap assembly, two between the side wall assembly lower extreme respectively fixed connection in the left and right sides portion of lower automobile body assembly, two between the side wall assembly upper end respectively fixed connection in the left and right sides portion of top cap assembly, lower automobile body assembly, side wall assembly and top cap assembly enclose into cage frame structure, lower automobile body assembly includes from the front to the back in proper order transversely set up preceding crashproof roof beam, preceding apron bottom end rail, preceding floor crossbeam, seat front beam, seat back end rail, first back floor crossbeam, second back floor crossbeam and vertically set up two preceding girders, two sills, two back girders, a preceding floor longerons and a back floor longeron, the rear end of two preceding girders about connect respectively in left and right sides A post subassembly lower extreme inboard, the front ends of a left rear girder and a right rear girder are respectively connected to the inner sides of the lower ends of a left B column assembly and a right B column assembly, the door sill is arranged between the lower end of the A column assembly and the lower end of the B column assembly, the two front girders, the two door sills and the two rear girders are connected into a left longitudinal skeleton and a right longitudinal skeleton which penetrate through the front and the rear of the automobile, the front ends of the front floor girders are fixed in the middle of the lower cross beam of the front wall plate, the rear ends of the rear floor girders are fixed in the middle of the rear of the first rear floor girder, the rear ends of the rear floor girders are fixed in the middle of the second rear floor girder, the length of the front floor girders is larger than that of the rear floor girders, the lower end of the front floor girder is provided with a battery pack, the left end and the right end of the battery pack are fixedly connected with the inner sides, the rear side of the battery pack is connected with a first rear floor beam, the front anti-collision beam is fixed at the front ends of the left and right front beams and extends outwards, the left and right ends of the front panel lower beam are respectively fixed at the middle parts of the left and right front beams, the left and right ends of the front floor beam are respectively fixed at the rear parts of the left and right front beams, the seat front beam comprises a seat left front beam and a seat right front beam, the left end of the seat left front beam and the right end of the seat right front beam are respectively fixed at the middle parts of the left and right doorsills, the right end of the seat left front beam and the left end of the seat right front beam are fixed at the left and right sides of the middle part of the front floor beam, the seat rear beam comprises a seat left rear beam and a seat right rear beam, the right end of the left rear beam and the left end of the right rear beam are fixedly connected with the left and right sides, the left end and the right end of the first rear floor beam are fixedly connected with the rear portions of the doorsills on the left side and the right side, the middle of the first rear floor beam is fixedly connected with the front ends of the rear floor longitudinal beams, and the left end and the right end of the second rear floor beam are respectively fixed between the rear ends of the rear cross beams on the left side and the right side.

The utility model discloses a white automobile body frame of small-size pure electric vehicles can also be:

the side wall assembly is preceding door opening frame subassembly, the left and right sides the side wall assembly all includes boundary beam, A post subassembly, B post subassembly, D post subassembly and boundary beam, boundary beam middle part under the threshold is located, and the A post outside is equipped with reinforcing plate on the A post and reinforcing plate under the A post, two both ends are connected about the front end of reinforcing plate on the A post and the preceding bounding wall, the lower extreme and the reinforcing plate are connected under the A post of reinforcing plate on the A post, the lower extreme rear side of reinforcing plate under the A post with the front end of threshold is connected.

Control two the front end middle part of reinforcing plate is connected with front wheel casing planking reinforcing plate respectively under the A post, two both ends are connected about with last camber beam between the front end of front wheel casing planking reinforcing plate, two both ends are connected about with preceding covering installation crossbeam between the middle part of front wheel casing planking reinforcing plate, the vertical height of going up the camber beam is higher than preceding anticollision roof beam, the vertical height of preceding covering installation crossbeam is higher than go up the camber beam.

The outer side of the B column assembly is provided with a B column reinforcing plate, the rear end of the doorsill is provided with an arc doorsill rear plate, the front part of the upper end of the B column reinforcing plate is connected with the rear end of the A column upper reinforcing plate, and the lower end of the B column reinforcing plate is connected with the rear end of the doorsill rear plate.

The inboard upper portion of D post subassembly is equipped with the D post on the inner panel the lower extreme of inner panel and D post in the inner panel be connected, two the lower extreme and the D post of inner panel down in the D post are connected with the back end plate reinforcing plate, and D post subassembly outside upper portion is equipped with the top cap, D post planking, two are connected to the top cap rear end connect the back end plate between the D post planking lower extreme, the back end plate reinforcing plate is fixed in the front end of back end plate.

The upper part of the D-pillar upper inner plate is provided with a D-pillar upper reinforcing plate, the upper end of the A-pillar upper reinforcing plate, the upper end of the B-pillar reinforcing plate and the D-pillar upper reinforcing plate are connected to form an upper boundary beam of the side wall assembly, and the lower end of the A-pillar lower reinforcing plate, the doorsill rear plate and the lower end of the B-pillar reinforcing plate are connected to form a lower boundary beam of the side wall assembly.

The top cap assembly is including the top cap front beam, back timber, top cap back beam and the top cap that transversely set up, the top cap lid is located on top cap front beam, back timber, the top cap back beam, the top cap front beam is connected between two A post upper reinforcing plate middle parts, the top beam is connected between two A post upper reinforcing plate rear portions, top cap back beam is connected between two D post upper inner panels.

The middle part of the front wall plate is provided with a front wall plate upper beam.

The front part of the vehicle body comprises a transversely arranged front anti-collision beam, an upper bent beam, a front skin mounting cross beam, a front wall upper cross beam, a front wall lower cross beam, a longitudinally arranged left front wheel cover outer plate reinforcing plate, a longitudinally arranged right front cross beam, a longitudinally arranged left front wheel cover outer plate reinforcing plate, a longitudinally arranged left front cross beam, a longitudinally arranged right front cross beam, a longitudinally arranged left front cross beam and.

The rear part of the vehicle body is of an annular frame structure, the lower ends of the two sides of the rear cross beam of the top cover are connected with the upper inner plate of the D column, the upper inner plate of the D column is connected with the middle inner plate of the D column, the middle inner plate of the D column is connected with the lower inner plate of the D column, the lower inner plate of the D column is connected with the two rear end plate reinforcing plates to form an inner frame structure, the rear end of the top cover is connected with the outer plate of the D column, the lower end of the outer plate of the D column is connected.

The utility model discloses a white automobile body frame of small-size pure electric vehicles, including lower automobile body assembly, two side wall assemblies and top cap assembly, two between the side wall assembly lower extreme respectively fixed connection in the left and right sides portion of lower automobile body assembly, two between the side wall assembly upper end respectively fixed connection in the left and right sides portion of top cap assembly, lower automobile body assembly, side wall assembly and top cap assembly enclose into cage frame structure, lower automobile body assembly includes from the front to the back in proper order transversely set up preceding crashproof roof beam, preceding apron bottom end rail, preceding floor crossbeam, seat front beam, seat back end rail, first back floor crossbeam, second back floor crossbeam and vertically set up two preceding girders, two sills, two back girders, a preceding floor longerons and a back floor longeron, the rear end of two preceding girders about connect respectively in left and right sides A post subassembly lower extreme inboard, the front ends of a left rear girder and a right rear girder are respectively connected to the inner sides of the lower ends of a left B column assembly and a right B column assembly, the door sill is arranged between the lower end of the A column assembly and the lower end of the B column assembly, the two front girders, the two door sills and the two rear girders are connected into a left longitudinal skeleton and a right longitudinal skeleton which penetrate through the front and the rear of the automobile, the front ends of the front floor girders are fixed in the middle of the lower cross beam of the front wall plate, the rear ends of the rear floor girders are fixed in the middle of the rear of the first rear floor girder, the rear ends of the rear floor girders are fixed in the middle of the second rear floor girder, the length of the front floor girders is larger than that of the rear floor girders, the lower end of the front floor girder is provided with a battery pack, the left end and the right end of the battery pack are fixedly connected with the inner sides, the rear side of the battery pack is connected with a first rear floor beam, the front anti-collision beam is fixed at the front ends of the left and right front beams and extends outwards, the left and right ends of the front panel lower beam are respectively fixed at the middle parts of the left and right front beams, the left and right ends of the front floor beam are respectively fixed at the rear parts of the left and right front beams, the seat front beam comprises a seat left front beam and a seat right front beam, the left end of the seat left front beam and the right end of the seat right front beam are respectively fixed at the middle parts of the left and right doorsills, the right end of the seat left front beam and the left end of the seat right front beam are fixed at the left and right sides of the middle part of the front floor beam, the seat rear beam comprises a seat left rear beam and a seat right rear beam, the right end of the left rear beam and the left end of the right rear beam are fixedly connected with the left and right sides, the left end and the right end of the first rear floor beam are fixedly connected with the rear portions of the doorsills on the left side and the right side, the middle of the first rear floor beam is fixedly connected with the front ends of the rear floor longitudinal beams, and the left end and the right end of the second rear floor beam are respectively fixed between the rear ends of the rear cross beams on the left side and the right side. When the vehicle is in frontal collision, the collision force is transmitted to the left front girder, the right front girder and the left front girder to the front wall lower cross beam, then transmitted to the front floor cross beam, then transmitted to the vehicle body A column component by the front floor cross beam, and transmitted to the vehicle body A column component by the vehicle body A column and the front floor longitudinal beam to the vehicle body rear part; when a vehicle is in side collision, collision force can be transmitted to the front floor cross beam, the seat left front cross beam or the seat right front cross beam, the seat left rear cross beam or the seat right rear cross beam and the first rear floor cross beam through the doorsill, the vehicle body A column assembly and the vehicle body B column assembly, and then transmitted to the other side of the vehicle body through the front floor longitudinal beam and the rear floor longitudinal beam; when the vehicle has rear collision, the collision force can be transmitted to the left rear crossbeam, the right rear crossbeam and the rear floor longitudinal beam through the second rear floor crossbeam, and then transmitted to the first rear floor crossbeam through the left rear crossbeam, the right rear crossbeam and the rear floor longitudinal beam, and then is transmitted to the front part of the vehicle body through the first rear floor beam, the front anti-collision beam, the front coaming lower beam, the front floor beam, the seat front beam, the seat rear beam, the first rear floor beam, the second rear floor beam, the two front girders, the two doorsills, the two rear girders, the front floor longitudinal beam and the rear floor longitudinal beam which are longitudinally arranged of the lower vehicle body assembly from front to back are of a three-longitudinal-seven-transverse structure, so that the structure is simple, meanwhile, a plurality of force transmission channels are formed, so that the acceleration and the deformation of the vehicle body can be reduced no matter which direction of the vehicle body is collided, and the purpose of protecting passengers from being greatly injured in collision is realized. The battery pack is arranged between the front floor beam and the first rear floor beam in the front and at the back, the radial installation space for installing the battery pack is increased, the two sides of the battery pack are connected with the inner side of the threshold to increase the transverse installation space of the battery pack, the large-size battery pack can be installed by improving the installation space, the endurance mileage of an automobile is improved by the large-size battery pack, the battery pack is arranged between the front floor beam, the left threshold, the right threshold and the first rear floor beam to protect the battery, and the collision performance of the whole automobile is improved. The utility model provides a pair of white automobile body frame of small-size pure electric automobile, for prior art, its advantage that has is: the white body frame of the small pure electric vehicle has the advantages of simple structure, large-size batteries, long endurance mileage and strong safety performance.

Drawings

Fig. 1 is a schematic structural diagram of a body-in-white frame of a small pure electric vehicle according to the present invention.

Fig. 2 is a bottom view of a body bottom structure of a body-in-white frame of a small pure electric vehicle according to the present invention.

Fig. 3 is a bottom structure plan view of a body-in-white frame of a small pure electric vehicle according to the present invention.

Fig. 4 is a side structure view of a body-in-white frame of a small pure electric vehicle according to the present invention.

Fig. 5 is a rear structure view of a body-in-white frame of a small pure electric vehicle according to the present invention.

Fig. 6 is a middle longitudinal sectional view of a body frame of a small pure electric vehicle.

FIG. 7 is an exploded view of a body-in-white frame of a small pure electric vehicle according to the present invention

Description of the figures

1. A front impact beam; 2. upward bending the beam; 3.a beam is arranged on the front skin; 4. the front wall upper beam;

5. a cowl lower cross member; 6. a front wheel cover outer plate reinforcing plate; 7.a front girder; 8.a threshold;

9. a rear girder; 10. a front floor stringer; 11. a rear floor stringer; 12. a front floor beam;

13a, a left front seat cross beam; 13b, a seat right front cross beam; 14a, a left rear seat cross member;

14b, a seat right rear cross beam 15, a first rear floor cross beam; 16. a second rear floor beam;

17. an A-pillar upper reinforcement plate; 18.a pillar lower stiffener; 19. a threshold back plate;

a B-pillar reinforcement plate; 21. a top cover rear cross member; a D-pillar upper inner panel;

a D-pillar middle inner panel; a D-pillar lower inner panel; 25. a rear end plate reinforcing plate; 26. a top cover;

27. a rear end plate; a D-pillar upper stiffener plate; 29. a top cover front cross member; 30. a top beam;

31. a dash panel; 32. a battery pack; an A column assembly; a B-pillar assembly;

a D-pillar assembly; 36.D column outer plate

Detailed Description

The following describes a body-in-white frame of a small-sized pure electric vehicle according to the present invention in further detail with reference to fig. 1 to 7 of the drawings.

The utility model relates to a white body frame of small pure electric vehicle, please refer to fig. 1 to 7, including lower vehicle body assembly, two side wall assemblies and top cover assembly, two between the lower end of the side wall assembly respectively fixed connection in the left and right sides of the lower vehicle body assembly, two between the upper end of the side wall assembly respectively fixed connection in the left and right sides of the top cover assembly, the lower vehicle body assembly, the side wall assembly and the top cover assembly enclose into cage frame structure, the lower vehicle body assembly includes front anti-collision beam 1, front wall lower beam 5, front floor beam 12, seat front beam 13, seat rear beam 14, first rear floor beam 15, second rear floor beam 16 and longitudinally arranged two front beams 7, two doorsills 8, two rear beams 9, a front floor beam 10 and a rear floor beam 11, the rear ends of a left front girder 7 and a right front girder 7 are respectively connected to the inner sides of the lower ends of a left A column assembly 33 and a right A column assembly 33, the front ends of a left rear girder 9 and a right rear girder 9 are respectively connected to the inner sides of the lower ends of a left B column assembly 34 and a right B column assembly 34, a threshold 8 is arranged between the lower end of the A column assembly 33 and the lower end of the B column assembly 34, the two front girders 7, the two thresholds 8 and the two rear girders 9 are connected into a left longitudinal framework and a right longitudinal framework which penetrate through the front and the rear of an automobile, the front end of the front floor longitudinal beam 10 is fixed in the middle of the front lower cross beam 5 of the front wall, the rear end of the front floor longitudinal beam 10 is fixed in the middle of the front of the first rear floor longitudinal beam 15, the rear end of the rear floor longitudinal beam 11 is fixed in the middle of the rear floor longitudinal beam 16, the rear end of, the left end and the right end of a battery pack 32 are fixedly connected with the inner sides of the left doorsill 8 and the right doorsill 8, the front end of the battery pack 32 is connected with a front floor beam 12, the rear side of the battery pack 32 is connected with a first rear floor beam 15, the front anti-collision beam 1 is fixed at the front ends of the left front crossbeam 7 and the right front crossbeam 7 and extends outwards, the left end and the right end of the front panel lower crossbeam 5 are respectively fixed at the middle parts of the left front crossbeam 7 and the right front crossbeam 7, the left end and the right end of the front floor beam 12 are respectively fixed at the rear parts of the left front crossbeam 7 and the right front crossbeam 7, the front seat crossbeam comprises a left front seat crossbeam 13a and a right front seat crossbeam 13b, the left end of the left front seat crossbeam 13a and the right end of the right front seat crossbeam 13b are respectively fixed at the middle parts of the left doorsill 8 and the right end of the left front seat crossbeam 13a, the rear seat cross beam comprises a left rear seat cross beam 14a and a right rear seat cross beam 14b, the right end of the left rear seat cross beam 14a and the left end of the right rear seat cross beam 14b are fixedly connected with the left side and the right side of the middle rear part of the front floor longitudinal beam 10, the left end and the right end of the first rear floor cross beam 15 are fixedly connected with the rear parts of the doorsills 8 on the left side and the right side, the middle part of the first rear floor cross beam 15 is fixedly connected with the front end of the rear floor longitudinal beam 11, and the left end and the right end of the second rear floor cross beam 16 are respectively fixed between the rear ends of the rear cross beams 9. Thus, the left end and the right end of the front floor beam 12 are respectively fixedly connected with the rear parts of the left front girder 7 and the right front girder 7, the rear ends of the left front girder 7 and the right front girder 7 are respectively connected with the inner sides of the lower ends of the left A column assembly 33 and the right A column assembly 33, the front anti-collision beam 1, the left front girder 7, the right front girder 7 and the front floor beam 12 form a complete collision force transmission channel, the second rear floor beam 16, the left rear girder 9, the right rear girder 9, the rear floor beam 11 and the first rear floor beam 15 form another complete collision force transmission channel, when the vehicle has a frontal collision, the collision force is transmitted to the left front girder 7 and the right front girder 7 through the front anti-collision beam 1, then transmitted to the front wall lower beam 5 and the front floor beam 12, then transmitted to the front floor beam 10 and the A column assembly 33 through the front floor beam 12, and then transmitted; when a vehicle is involved in a side collision, collision force can be transmitted to the front floor cross member 12, the seat left or right front cross member 13a or 13B, the seat left or right rear cross member 14a or 14B, the first rear floor cross member 15 via the rocker 8, the body a pillar assembly 33, and the body B pillar assembly 34, and further transmitted to the other side of the vehicle body via the front floor side member 10 and the rear floor side member 11; when a vehicle is in rear collision, collision force can be transmitted to the left rear crossbeam 9, the right rear crossbeam 9 and the rear floor longitudinal beam 11 through the second rear floor crossbeam 16, then transmitted to the first rear floor crossbeam 15 through the left rear crossbeam 9, the right rear crossbeam 9 and the rear floor longitudinal beam 11, and further transmitted to the front part of the vehicle body through the first rear floor crossbeam 15, the lower vehicle body assembly is characterized in that the front collision beam 1, the front panel lower crossbeam 5, the front floor crossbeam 12, the seat front crossbeam, the seat rear crossbeam, the first rear floor crossbeam 15, the second rear floor crossbeam 16, the two front crossbeams 7, the two doorsills 8, the two rear crossbeams 9, the front floor longitudinal beam 10 and the rear floor longitudinal beam 11 which are longitudinally arranged in sequence from front to back are in a three-longitudinal-seven-transverse structure, not only has simple structure, but also forms a plurality of force transmission channels, therefore, the vehicle body acceleration and the vehicle body deformation can be reduced no matter, the purpose of protecting the occupant from major injury in the collision is achieved. The battery pack 32 is arranged between the front floor beam 12 and the first rear floor beam 15 in the front-rear direction, the radial installation space for installing the battery pack 32 is increased, the two sides of the battery pack 32 are connected with the inner side of the doorsill 8, the transverse installation space for installing the battery pack 32 is increased, the large-size battery pack 32 can be installed by improving the installation space, the cruising mileage of an automobile is improved by the large-size battery pack 32, the battery pack 32 is arranged between the front floor beam 12, the left doorsill 8, the right doorsill 8 and the first rear floor beam 15 to protect the battery, and the collision performance of the whole automobile is improved.

The utility model discloses a white automobile body frame of small-size pure electric vehicles please refer to fig. 1 to 7, can also be on the basis of the technical scheme of preceding description: the side wall assembly is preceding door opening frame subassembly, the left and right sides the side wall assembly all includes boundary beam, A post subassembly 33, B post subassembly 34, D post subassembly 35 and boundary beam, the threshold is located the boundary beam middle part, and the A post subassembly 33 outside is equipped with reinforcing plate 17 and reinforcing plate 18 under A post on the A post, two both ends are connected about reinforcing plate 17's on the A post front end and the boundary beam 31, reinforcing plate 18 is connected under A post 17's the lower extreme and the A post on the A post, reinforcing plate 18's under A post lower extreme rear side with the front end of threshold 8 is connected. Thus, the A-pillar upper reinforcement plate 17 is connected with the dash panel 31 on the inner side of the automobile while supporting the roof side rail, and the A-pillar lower reinforcement plate 18 is connected with the automobile doorsill 8 while supporting the roof side rail, so that the supporting rigidity of the A-pillar is improved, the overall rigidity of the whole automobile is improved to a certain extent, and the collision safety of the automobile is enhanced.

The utility model discloses a white automobile body frame of small-size pure electric vehicles please refer to fig. 1 to 7, can also be on the basis of the technical scheme of preceding description: the front end middle parts of the left and right A-pillar lower reinforcing plates 18 are respectively connected with the front wheel cover outer plate reinforcing plates 6, the front ends of the two front wheel cover outer plate reinforcing plates 6 are connected with the left and right ends of the upper camber beam 2, the middle parts of the two front wheel cover outer plate reinforcing plates 6 are connected with the left and right ends of the front skin installation crossbeam 3, the vertical height of the upper camber beam 2 is higher than that of the front anti-collision beam 1, and the vertical height of the front skin installation crossbeam 3 is higher than that of the upper camber beam 2. Like this, through preceding crashproof roof beam 1, the upper camber beam 2 and the preceding covering installation crossbeam 3 of high difference increased the anterior rigidity of car to form three transverse force transfer passage, meeting the impact, can disperse the impact, thereby reduce automobile body deflection, realize protecting the purpose that the passenger avoided great injury in the collision, improved the bulk rigidity of whole car, strengthened the collision security of vehicle.

The utility model discloses a white automobile body frame of small-size pure electric vehicles please refer to fig. 1 to 7, can also be on the basis of the technical scheme of preceding description: the outer side of the B-column assembly 34 is provided with a B-column reinforcing plate 20, the rear end of the doorsill 8 is provided with an arc-shaped doorsill rear plate 19, the front part of the upper end of the B-column reinforcing plate 20 is connected with the rear end of the A-column upper reinforcing plate 17, and the lower end of the B-column reinforcing plate 20 is connected with the rear end of the doorsill rear plate 19. Therefore, the doorsill rear plate 19 provides arc transition for the doorsill 8 rear B-pillar reinforcement plate 20, the rigidity of the lower edge beam is improved, and meanwhile, the upper end and the lower end of the B-pillar reinforcement plate 20 are supported between the upper edge beam and the lower edge beam, so that the supporting rigidity of the B-pillar is improved, the integral rigidity of the whole automobile is improved to a certain extent, and the collision safety of the automobile is enhanced.

The utility model discloses a white automobile body frame of small-size pure electric vehicles please refer to fig. 1 to 7, can also be on the basis of the technical scheme of preceding description: the inboard upper portion of D post is equipped with the D post on the inner panel 22 the lower extreme of the D post on the inner panel 22 is connected with the D post in the inner panel 23, and the lower extreme and the D post of inner panel 23 are connected down inner panel 24 in the D post, and D post subassembly outside upper portion is equipped with top cap 26, D post planking 36, two is connected to top cap 26 rear end connect back end plate 27 between the 36 lower extremes of D post planking, back end plate reinforcing plate 25 is fixed in the front end of back end plate. Like this, support D post inboard through setting up inner panel 23, D post in the D post inner panel 22, the D post, D post lower inner panel 24 and improved D post inboard rigidity, top cap 26 and D post planking 36 support the D post outside, have improved the rigidity in the D post outside, have satisfied the demand of assembly to improve the bulk rigidity of whole car to a certain extent, strengthened the collision security of vehicle.

The utility model discloses a white automobile body frame of small-size pure electric vehicles please refer to fig. 1 to 7, can also be on the basis of the technical scheme of preceding description: the upper part of the D-pillar upper inner plate 22 is provided with a D-pillar upper reinforcing plate 28, the upper end of the A-pillar upper reinforcing plate 17, the upper end of the B-pillar reinforcing plate 20 and the D-pillar upper reinforcing plate 28 are connected to form an upper boundary beam of the side wall assembly, and the lower end of the A-pillar lower reinforcing plate 18, the doorsill 8, the doorsill rear plate 19 and the lower end of the B-pillar reinforcing plate 20 are connected to form a lower boundary beam of the side wall assembly. Therefore, the upper end of the upper A-column reinforcing plate 17, the upper end of the B-column reinforcing plate 20 and the upper D-column reinforcing plate 28 are connected to form an upper edge beam, the lower end of the lower A-column reinforcing plate 18, the doorsill 8, the doorsill rear plate 19 and the lower end of the B-column reinforcing plate 20 are connected to form a lower edge beam, a complete force transmission channel is formed, the rigidity of the side wall assembly is improved, the integral rigidity of the whole automobile is improved to a certain extent, and the collision safety of the automobile is enhanced.

The utility model discloses a white automobile body frame of small-size pure electric vehicles please refer to fig. 1 to 7, can also be on the basis of the technical scheme of preceding description: the top cap assembly is including the top cap front beam 29, back timber 30, top cap rear beam 21 and the top cap 26 of horizontal setting, top cap front beam 29, back timber 30, top cap rear beam 21's top is located to top cap 26 lid, top cap front beam 29 is connected between two A post upper reinforcing plate 17 middle parts, back timber 30 is connected between two A post upper reinforcing plate 17 rear portions, top cap rear beam 21 is connected between two D post upper inner panels 22. Thus, the roof front cross beam 29, the top beam 30 and the roof rear cross beam 21 support the roof side beam of the automobile, and simultaneously form a plurality of force transmission channels, when the automobile has a frontal collision, the force is transmitted to the roof front cross beam 29 from the front part of the automobile body through the A column, then the collision force is transmitted to the roof side beam from the roof front cross beam 29, the roof side beam transmits the collision force to the top beam 30, and further transmits the rear part of the automobile body, when the automobile has a side collision, the force is transmitted to the other side of the automobile through the three channels of the roof front cross beam 29, the top beam 30 and the roof rear cross beam 21 through the automobile side wall assembly, so that the collision force is dispersed, the rigidity of the whole automobile is improved, and the purpose of protecting passengers from.

The utility model discloses a white automobile body frame of small-size pure electric vehicles please refer to fig. 1 to 7, can also be on the basis of the technical scheme of preceding description: the middle part of the front wall plate is provided with a front wall plate upper beam 4. Like this, through setting up dash panel entablature 4 increased the rigidity of dash panel, further improved the anterior rigidity of car.

The utility model discloses a white automobile body frame of small-size pure electric vehicles please refer to fig. 1 to 7, can also be on the basis of the technical scheme of preceding description: the front part of the vehicle body comprises a front anti-collision beam 1, an upper camber beam 2, a front skin mounting crossbeam 3, a front wall upper crossbeam 4, a front wall lower crossbeam 5, a left front wheel cover outer plate reinforcing plate 6, a right front wheel cover outer plate reinforcing plate 7, a left front crossbeam and a right front crossbeam which are longitudinally arranged. Therefore, the front part of the vehicle body is of a five-transverse four-longitudinal structure, the rigidity of the front part of the vehicle body is improved, and the collision force is dispersed, so that the rigidity of the whole vehicle is improved, and the purpose of protecting passengers from being greatly injured in collision is realized.

The utility model discloses a white automobile body frame of small-size pure electric vehicles please refer to fig. 1 to 7, can also be on the basis of the technical scheme of preceding description: the rear part of the vehicle body is of an annular cavity frame structure, the lower ends of the two sides of the rear cross beam 21 of the top cover are connected with an upper D-column inner plate 22, the upper D-column inner plate 22 is connected with a middle D-column inner plate 23, the middle D-column inner plate 23 is connected with a lower D-column inner plate 24, the lower D-column inner plate 24 is connected with two rear end plate reinforcing plates 25 to form an inner frame structure, the rear end of the top cover 26 is connected with two D-column outer plates 36, the lower ends of the D-column outer plates 36 are connected with a rear end plate 27 to form an outer frame structure, and. Therefore, the annular cavity frame structure enables the cage-shaped structure of the automobile body to be enlarged from the front part to the whole rear part, the rigidity of the rear part of the automobile is provided, and the integral rigidity of the automobile body is further improved.

The above description is only for the description of several embodiments of the present invention, but the scope of the present invention should not be considered as falling within the scope of the present invention, in which all the equivalent changes or modifications or the equal-scale enlargement or reduction etc. according to the design spirit of the present invention are made.

Claims

1. The utility model provides a white automobile body frame of small-size pure electric vehicles which characterized in that: the lower vehicle body assembly, the side wall assembly and the top cover assembly are enclosed into a cage type frame structure and comprise a front anti-collision beam, a front wall lower beam, a front floor beam, a seat front beam, a seat rear beam, a first rear floor beam, a second rear floor beam, two front crossbeams, two doorsills, two rear crossbeams, a front floor longitudinal beam and a rear floor longitudinal beam which are sequentially and transversely arranged from front to back, the rear ends of the left front crossbeam and the right front crossbeam are respectively connected to the inner sides of the lower ends of the left side A column assembly and the right side A column assembly, and the front ends of the left rear crossbeam and the right rear crossbeam are respectively connected to the inner sides of the lower ends of the left side B column assembly and the right side B column assembly, the doorsill is arranged between the lower end of the column component A and the lower end of the column component B, the two front girders, the two doorsills and the two rear girders are connected into a left longitudinal framework and a right longitudinal framework which run through the front and the rear of the automobile, the front ends of the front floor longitudinal beams are fixed in the middle of the lower beam of the front wall, the rear ends of the front floor longitudinal beams are fixed in the middle of the front side of the first rear floor longitudinal beam, the front ends of the rear floor longitudinal beams are fixed in the middle of the rear side of the first rear floor longitudinal beam, the rear ends of the rear floor longitudinal beams are fixed in the middle of the second rear floor longitudinal beam, the length of the front floor longitudinal beams is larger than that of the rear floor longitudinal beams, the lower ends of the front floor longitudinal beams are provided with battery packs, the left and right ends of the battery packs are fixedly connected with the inner sides of the left and the right doorsills, the front ends of the battery packs are connected with, the left end and the right end of the lower cross beam of the front wall plate are respectively fixed at the middle parts of the left front crossbeam and the right front crossbeam, the left end and the right end of the cross beam of the front floor plate are respectively fixed at the rear parts of the left front crossbeam and the right front crossbeam, the front cross beam of the seat comprises a left front cross beam of the seat and a right front cross beam of the seat, the left end of the left front cross beam of the seat and the right end of the right front cross beam of the seat are respectively fixed at the middle parts of the left doorsill and the right doorsill, the rear cross beam of the seat comprises a left rear cross beam of the seat and a right rear cross beam of the seat, the right end of the left rear cross beam and the left end of the right rear cross beam of the seat are fixedly connected with the left side and the right side of the middle rear part of the front floor longitudinal beam, the left end and the right end of the first rear floor cross beam are fixedly connected with, the left end and the right end of the second rear floor beam are respectively fixed between the rear ends of the rear girders on the left side and the right side.

2. The white body frame of the small pure electric vehicle as claimed in claim 1, wherein: the side wall assembly is preceding door opening frame subassembly, the left and right sides the side wall assembly all includes boundary beam, A post subassembly, B post subassembly, D post subassembly and boundary beam, boundary beam middle part under the threshold is located, and A post subassembly outside is equipped with reinforcing plate on the A post and reinforcing plate under the A post, two both ends are connected about the front end of reinforcing plate on the A post and the preceding bounding wall, the lower extreme and the reinforcing plate are connected under the A post of reinforcing plate on the A post, the lower extreme rear side of reinforcing plate under the A post with the front end of threshold is connected.

3. The white body frame of the small pure electric vehicle as claimed in claim 2, wherein: control two the front end middle part of reinforcing plate is connected with front wheel casing planking reinforcing plate respectively under the A post, two both ends are connected about with last camber beam between the front end of front wheel casing planking reinforcing plate, two both ends are connected about with preceding covering installation crossbeam between the middle part of front wheel casing planking reinforcing plate, the vertical height of going up the camber beam is higher than preceding anticollision roof beam, the vertical height of preceding covering installation crossbeam is higher than go up the camber beam.

4. The white body frame of the small pure electric vehicle as claimed in claim 2, wherein: the outer side of the B column assembly is provided with a B column reinforcing plate, the rear end of the doorsill is provided with an arc doorsill rear plate, the front part of the upper end of the B column reinforcing plate is connected with the rear end of the A column upper reinforcing plate, and the lower end of the B column reinforcing plate is connected with the rear end of the doorsill rear plate.

5. The white body frame of the small pure electric vehicle as claimed in claim 4, wherein: the inboard upper portion of D post subassembly is equipped with the D post on the inner panel the lower extreme of inner panel and D post in the inner panel be connected, two the lower extreme and the D post of inner panel down in the D post are connected with the back end plate reinforcing plate, and D post subassembly outside upper portion is equipped with the top cap, D post planking, two are connected to the top cap rear end connect the back end plate between the D post planking lower extreme, the back end plate reinforcing plate is fixed in the front end of back end plate.

6. The white body frame of the small pure electric vehicle as claimed in claim 5, wherein: the upper part of the D-pillar upper inner plate is provided with a D-pillar upper reinforcing plate, the upper end of the A-pillar upper reinforcing plate, the upper end of the B-pillar reinforcing plate and the D-pillar upper reinforcing plate are connected to form an upper boundary beam of the side wall assembly, and the lower end of the A-pillar lower reinforcing plate, the doorsill rear plate and the lower end of the B-pillar reinforcing plate are connected to form a lower boundary beam of the side wall assembly.

7.A small-sized pure electric vehicle body-in-white frame according to any one of claims 1 to 5, characterized in that: the top cap assembly is including the top cap front beam, back timber, top cap back beam and the top cap that transversely set up, the top cap lid is located on top cap front beam, back timber, the top cap back beam, the top cap front beam is connected between two A post upper reinforcing plate middle parts, the top beam is connected between two A post upper reinforcing plate rear portions, top cap back beam is connected between two D post upper inner panels.

8. The white body frame of the small pure electric vehicle as claimed in claim 3, wherein: the middle part of the front wall plate is provided with a front wall plate upper beam.

9. The white body frame of the small pure electric vehicle as claimed in claim 8, wherein: the front part of the vehicle body comprises a transversely arranged front anti-collision beam, an upper bent beam, a front skin mounting cross beam, a front wall upper cross beam, a front wall lower cross beam, a longitudinally arranged left front wheel cover outer plate reinforcing plate, a longitudinally arranged right front cross beam, a longitudinally arranged left front wheel cover outer plate reinforcing plate, a longitudinally arranged left front cross beam, a longitudinally arranged right front cross beam, a longitudinally arranged left front cross beam and.

10. The white body frame of the small pure electric vehicle as claimed in claim 7, wherein: the rear part of the vehicle body is of an annular frame structure, the lower ends of the two sides of the rear cross beam of the top cover are connected with the upper inner plate of the D column, the upper inner plate of the D column is connected with the middle inner plate of the D column, the middle inner plate of the D column is connected with the lower inner plate of the D column, the lower inner plate of the D column is connected with the two rear end plate reinforcing plates to form an inner frame structure, the rear end of the top cover is connected with the outer plate of the D column, the lower end of the outer plate of the D column is connected.