CN112026928B - Passenger car 16-ring pure electric platform car body structure - Google Patents
Passenger car 16-ring pure electric platform car body structure Download PDFInfo
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- CN112026928B CN112026928B CN202010764150.5A CN202010764150A CN112026928B CN 112026928 B CN112026928 B CN 112026928B CN 202010764150 A CN202010764150 A CN 202010764150A CN 112026928 B CN112026928 B CN 112026928B
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- 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
- B62D25/02—Side panels
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- 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
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- 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
- B62D25/06—Fixed roofs
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- 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
- B62D25/08—Front or rear portions
- B62D25/16—Mud-guards or wings; Wheel cover panels
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Abstract
The invention discloses a 16-ring pure electric platform body structure of a passenger car, which comprises a left side wall assembly, a right side wall assembly, a top cover skylight, a lower car body assembly, a front top beam assembly, a rear wall outer plate assembly, a left front wheel cover side beam assembly and a right front wheel cover side beam assembly. The invention adopts an advanced 16-ring ball cage type vehicle body framework structure, obviously lightens the weight of the vehicle body and simultaneously improves the performances of collision, bending torsion and the like of the whole vehicle. Through the novel material, the novel process and the novel structure, the steel/aluminum hybrid vehicle body is realized, the performance of the vehicle body reaches the level of the brand of the exotic goods, the torsional rigidity reaches over 27000N/mm, the lightweight coefficient reaches the excellent level of 2.81, the safety of the whole vehicle reaches the 2018 version C _ NCAP five-star collision safety performance, and the performance of the whole vehicle body reaches the level of the brand of the excellent class B vehicle exterior goods.
Description
Technical Field
The invention relates to a 16-ring pure electric platform vehicle body structure of a passenger vehicle, and belongs to the technical field of pure electric vehicles.
Background
The traditional fuel oil metal plate car body and most of the car body parts adopt a cold stamping technology, the plate is thick, the strength is low, the new material and the new process are less in application, the cost of a single car is higher, and the comfort of the channel bulges in the rear row is poor. The pure electric power has the following defects:
1. most of the electric vehicles are reformed by adopting traditional fuel vehicle bodies, and have heavy weight, low light weight level and high energy consumption;
2. the rear-row passage is convex, and the comfort of the feet of the middle passengers is poor;
3. the bending rigidity, the mode, the NVH and other properties are low, the strength of the vehicle body is low, and the safety hardly meets the requirements of 2018 version five-star collision;
4. the hot forming, the laser tailor-welding and the high-strength rolling of the new process are rarely applied, and the lightweight new material is less applied, such as aluminum alloy, magnesium alloy, carbon fiber and the like, the new technology is lacked, and the performance level of the vehicle body is low;
5. a large amount of carbon fiber, aluminum alloy or carbon-aluminum mixed vehicle bodies are adopted in some of the vehicle bodies on the market, and although the light weight level is high, the cost is too high, so that the vehicle bodies cannot be accepted by the market.
Therefore, there is a need to improve the prior art to solve the deficiencies of the prior art.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a 16-ring pure electric platform vehicle body structure of a passenger vehicle, which can improve the reliability and safety of the vehicle body, reduce the weight and cost, reduce the energy consumption and realize the application of multiple platform vehicle types.
The technical scheme adopted by the invention is as follows: the utility model provides a 16 ring pure electric platform automobile body structures of passenger car, encloses assembly, top cap skylight, lower automobile body assembly, preceding top beam assembly, back top beam assembly, enclose planking assembly, left front wheel casing boundary beam assembly and right front wheel casing boundary beam assembly including the left side.
Furthermore, the left side wall assembly and the right side wall assembly are symmetrically arranged, and the left side wall assembly comprises a side wall doorsill, a left side wall sub-assembly, a left rear wheel cover, a rear floor, a rear wheel cover inner plate reinforcing plate, a rear floor upper cross beam and a rear water flowing groove;
the lower vehicle body assembly comprises a left threshold beam inner plate assembly, a left rear threshold inner plate assembly and a rear wall inner plate;
the left front wheel casing boundary beam assembly and the right front wheel casing boundary beam assembly are symmetrically arranged, and the left front wheel casing boundary beam assembly comprises a wheel casing boundary beam body, a front cabin assembly and a wheel casing boundary beam inner plate;
the left side encloses assembly and gets off the mutual overlap joint of left threshold roof beam inner panel assembly welding limit of body assembly, and the mutual overlap joint of left threshold roof beam inner panel assembly and left back threshold inner panel assembly of side wall threshold and getting off the body assembly, left rear wheel casing department and back floor welding limit overlap joint each other, and back wheel casing inner panel reinforcing plate and back floor entablature overlap joint link to each other, and the left side encloses the assembly and gets off the body assembly the back and encloses the inner panel overlap joint and link to each other.
Furthermore, the wheel casing boundary beam body upper and lower welding limit and the mutual overlap joint of the wheel casing boundary beam inner panel in the front deck assembly, wheel casing boundary beam body right side panel encloses the assembly overlap joint with the left side.
Furthermore, the left and right welding edges of the rear wall outer plate assembly are respectively in lap joint with the left side wall assembly and the right side wall assembly.
Furthermore, the left and right welding edges of the front top beam assembly are respectively in lap joint with the left side wall assembly and the right side wall assembly, the reinforcing plate on the left side of the rear top beam assembly is in lap joint with the reinforcing plate on the rear flume in the left side wall assembly, the inner plate on the left side of the rear top beam assembly is in lap joint with the inner plate on the rear flume in the left side wall assembly, and the right side of the rear top beam assembly is symmetrical to the inner plate.
Furthermore, the upper side and the lower side of the top cover skylight are respectively in lap joint with the left side wall assembly and the right side wall assembly, the left side of the top cover skylight is in lap joint with the front top beam assembly, and the right side of the top cover skylight is in lap joint with the rear top beam assembly.
The invention has the following beneficial effects:
(1) And an advanced 16-ring ball cage type vehicle body framework structure is adopted, so that the weight of a vehicle body is remarkably reduced, and the performances of collision, bending torsion and the like of the whole vehicle are improved.
(2) Through the new material, the new process and the new structure, the steel/aluminum hybrid vehicle body is realized, the performance of the vehicle body reaches the level of the brand of foreign resources, the torsional rigidity reaches above 27000N/mm, the lightweight coefficient reaches the excellent level of 2.81, the safety of the whole vehicle reaches the 2018 version C _ NCAP five-star collision safety performance, and the performance of the whole vehicle body reaches the level of the brand of the excellent B-level external resources.
(3) The vehicle body adopts an international advanced hot forming process in a large range, the parts are heated to 930 ℃ for hot stamping, austenite of raw materials is fully converted into martensite, the tensile strength of the parts is improved from 500MPa to more than 1350MPa, the safety performance of the vehicle body is obviously improved, 2018C-NCAP five-star collision is realized, and the bending rigidity performance reaches the international leading level.
(4) The light, high-strength and advanced 7-series aviation aluminum front anti-collision beam is applied to the automobile body to replace the traditional steel front anti-collision beam, so that the weight is reduced by 40%, and meanwhile, the collision energy absorption performance is improved.
(5) The vehicle body is provided with the light 6-series high-strength aluminum alloy power system mounting device, is connected with the vehicle body framework into a whole and is used for mounting a power assembly to replace a traditional steel auxiliary frame, the weight is reduced by 35%, and the torsional rigidity of the whole vehicle is increased by 3000N/mm.
(6) The front end module of the automobile body adopts advanced long glass fiber engineering plastics to replace the traditional steel front end module, and the weight is reduced by 30 percent.
Drawings
Fig. 1 is an exploded schematic view of a 16-ring electric platform body structure of a passenger car.
Fig. 2 is a schematic structural view of the left side enclosure assembly.
Fig. 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.
Fig. 4 is a cross-sectional view taken along line B-B of fig. 2.
Fig. 5 is a cross-sectional view taken along line C-C of fig. 2.
Fig. 6 is a cross-sectional view taken along line D-D of fig. 2.
Fig. 7 is a cross-sectional view taken along line E-E of fig. 2.
FIG. 8 is a schematic structural view of the left front wheel house edge beam assembly.
Fig. 9 is a cross-sectional view taken along line F-F of fig. 8.
Fig. 10 is a schematic structural view of the rear wall outer plate assembly.
FIG. 11 is a schematic structural view of a front top rail assembly.
FIG. 12 is a schematic structural view of a rear top cross member assembly.
Fig. 13 is a cross-sectional view taken along line G-G of fig. 12.
Fig. 14 is a schematic structural view of the roof skylight.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The invention relates to a 16-ring pure electric platform body structure of a passenger car, which comprises a left side wall assembly 1, a right side wall assembly 2, a top cover skylight 3, a lower car body assembly 4, a front top beam assembly 5, a rear top beam assembly 6, a rear side wall outer plate assembly 7, a left front wheel cover side beam assembly 8 and a right front wheel cover side beam assembly 9.
The left side wall assembly 1 and the right side wall assembly 2 are symmetrically arranged, wherein the left side wall assembly 1 comprises a side wall doorsill, a left side wall sub-assembly 11, a left rear wheel cover 12, a rear floor 13, a rear wheel cover inner plate reinforcing plate 14, a rear floor upper cross beam 15 and a rear water flowing groove 16.
And a passenger cabin survival ring, a side wall safety ring, a front door opening reinforcing ring and a rear door opening reinforcing ring are arranged on the left side wall assembly 1.
The lower body assembly 4 includes a left rocker inner panel assembly 40, a left rear rocker inner panel assembly 41, and a rear inner panel 42.
The lower vehicle body assembly 4 is sequentially provided with a front energy absorption area reinforcing ring, a front floor reinforcing ring, a rear floor reinforcing ring and a rear energy absorption area reinforcing ring from front to back.
Left front wheel casing boundary beam assembly 8 and right front wheel casing boundary beam assembly 9 symmetrical arrangement, wherein left front wheel casing boundary beam assembly 8 includes wheel casing boundary beam body, front deck assembly 81 and wheel casing boundary beam inner panel 82.
When the left side wall assembly 1 and the lower vehicle body assembly 4 are welded in a splicing mode, the left side wall assembly 1 and a welding edge of a left doorsill beam inner plate assembly 40 of the lower vehicle body assembly 4 are in lap joint through positioning and clamping of a clamp, and a side wall doorsill is in lap joint with the left doorsill beam inner plate assembly 40 and a left rear doorsill inner plate assembly 41 of the lower vehicle body assembly 4. The left rear wheel cover 12 is in lap joint with the welding edge of the rear floor 13, and the rear wheel cover inner plate reinforcing plate 14 is in lap joint with the rear floor upper cross beam 15. The left side wall assembly 1 is connected with a rear wall inner plate 42 of the lower vehicle body assembly 4 in an overlapping way. After the left side wall assembly 1 and the lower vehicle body assembly 4 are positioned and fastened, spot welding is carried out on all welding edges by welding guns, and the lap joint of the outer panel is welded in a two-protection welding mode to be connected into a whole. The lap joint mode of the right side wall assembly and the welding spot are symmetrical to the left side wall assembly, and repeated description is omitted here.
In the illustration of the left front wheel cover boundary beam assembly, the upper and lower welding edges of the wheel cover boundary beam body are mutually overlapped with the wheel cover boundary beam inner plate 82 in the front cabin assembly 81, and the welding edges are spot-welded by a welding gun to be connected. The right side panel of the wheel casing boundary beam body is lapped with the left side wall assembly 1, and the lapping part is connected through two welding methods.
The left and right welding edges of the rear wall outer plate assembly 7 are respectively overlapped with the left side wall assembly 1 and the right side wall assembly 2, spot welding is carried out on the welding edges through a welding gun, and local areas are welded and connected in a secondary welding mode to form a whole.
The left and right welding edges of the front top beam assembly 5 are respectively overlapped with the left side wall assembly 1 and the right side wall assembly 2, and the welding edges are connected through spot welding by a welding gun. The reinforcing plate on the left side of the rear top beam assembly 6 is in lap joint with the reinforcing plate on the rear launder 16 in the left side enclosure assembly 1, the inner plate on the left side of the rear top beam assembly 6 is in lap joint with the inner plate on the rear launder in the left side enclosure assembly 1, the right side of the rear top beam assembly is symmetrical to the inner plate, and welding edges are spot-welded through a welding gun to form a whole.
A column A reinforcing ring, a column B reinforcing ring, a column C reinforcing ring and a column D reinforcing ring are sequentially arranged between the front top beam assembly 5 and the rear top beam assembly 6 from front to back.
The front top beam assembly 5 and the rear wall outer plate assembly 7 are sequentially provided with a front windshield reinforcing ring and a rear back door reinforcing ring from front to back.
The upper and lower both sides welding limit in top cap skylight 3 encloses assembly 1, the mutual overlap joint of assembly 2 with the left side respectively, encloses in the right side, passes through welder spot welding in welding limit department, makes it continuous, and the left side welding limit in top cap skylight 3 and 5 overlap joints of preceding top beam assembly, and the right side welding limit in top cap skylight 3 and 6 overlap joints of back top beam assembly pass through welder spot welding in welding limit department, make it constitute as a whole.
The top cover skylight 3 is provided with a top cover reinforcing ring.
And a wheel cover boundary beam reinforcing ring is arranged on the right front wheel cover boundary beam assembly 9.
The passenger car 16-ring pure electric platform car body structure firstly guides the design and development of the whole car body platform through an advanced car body structure design theory 16-ring cage type car body structure design theory, achieves various performance targets with the lowest cost and weight, simultaneously adopts an advanced thermal forming process, ensures the high safety of the living space of passengers, improves the tensile strength of the material from about 500MPA to 1500MPA, is several times of the performance of common steel materials, effectively reduces the weight of the car body, and improves the safety of the car body.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (5)
1. The utility model provides a 16 ring electricelectric moves platform automobile body structures of passenger car which characterized in that: the device comprises a left side wall assembly (1), a right side wall assembly (2), a top cover skylight (3), a lower vehicle body assembly (4), a front top cross beam assembly (5), a rear top cross beam assembly (6), a rear wall outer plate assembly (7), a left front wheel cover side beam assembly (8) and a right front wheel cover side beam assembly (9);
the left side wall assembly (1) and the welded edge of the left threshold beam inner plate assembly (40) of the lower vehicle body assembly (4) are mutually overlapped, and the left side wall assembly (1) and the left threshold beam inner plate assembly (40) of the lower vehicle body assembly (4) form a cavity structure; the side wall doorsill and a left doorsill beam inner plate assembly (40) and a left rear doorsill inner plate assembly (41) of the lower vehicle body assembly (4) are mutually lapped, and the side wall doorsill and the left doorsill beam inner plate assembly (40) and the left rear doorsill inner plate assembly (41) of the lower vehicle body assembly (4) form a cavity structure respectively; the left rear wheel cover (12) is in lap joint with the welding edge of the rear floor (13), the rear wheel cover inner plate reinforcing plate (14) is in lap joint with the rear floor upper cross beam (15), and the left rear wheel cover (12), the rear floor (13), the rear wheel cover inner plate reinforcing plate (14) and the rear floor upper cross beam (15) form a communicated cavity structure; the left side wall assembly (1) is connected with a rear wall inner plate (42) of the lower vehicle body assembly (4) in an overlapping way; the left side wall assembly (1) and a rear wall inner plate (42) of the lower vehicle body assembly (4) form a cavity structure; the right side wall assembly (2) is in a lap joint mode, and welding points are symmetrical to the left side wall assembly (1);
the upper and lower welding edges of the wheel casing boundary beam body are mutually lapped with a wheel casing boundary beam inner plate (82) in a front cabin assembly (81), and the wheel casing boundary beam body and the wheel casing boundary beam inner plate (82) enclose a cavity structure; the right side panel of the wheel casing boundary beam body is in lap joint with the left side wall assembly (1);
the upper and lower welding edges of the top cover skylight (3) are respectively lapped with the left side enclosure assembly (1) and the right side enclosure assembly (2);
a passenger cabin survival ring, a side wall safety ring, a front door opening reinforcing ring and a rear door opening reinforcing ring are arranged on the left side wall assembly (1);
a front energy absorption area reinforcing ring, a front floor reinforcing ring, a rear floor reinforcing ring and a rear energy absorption area reinforcing ring are sequentially arranged on the lower vehicle body assembly (4) from front to back;
an A column reinforcing ring, a B column reinforcing ring, a C column reinforcing ring and a D column reinforcing ring are sequentially arranged between the front top beam assembly (5) and the rear top beam assembly (6) from front to back;
a front windshield reinforcing ring and a back door reinforcing ring are sequentially arranged in front of the front top cross beam assembly (5) and the back wall outer plate assembly (7) from front to back;
a top cover reinforcing ring is arranged on the top cover skylight (3);
a wheel cover side beam reinforcing ring is arranged on the right front wheel cover side beam assembly (9);
by adopting an advanced 16-ring ball cage type vehicle body framework structure, the collision and bending performance of the whole vehicle is improved while the weight of the vehicle body is obviously reduced.
2. The passenger vehicle 16-ring electric platform vehicle body structure of claim 1, wherein: the left side wall assembly (1) and the right side wall assembly (2) are symmetrically arranged, and the left side wall assembly (1) comprises a side wall doorsill, a left side wall sub-assembly (11), a left rear wheel cover (12), a rear floor (13), a rear wheel cover inner plate reinforcing plate (14), a rear floor upper cross beam (15) and a rear launder (16);
the lower vehicle body assembly (4) comprises a left threshold beam inner plate assembly (40), a left rear threshold inner plate assembly (41) and a rear wall inner plate (42);
wheel casing boundary beam assembly (8) and right front wheel casing boundary beam assembly (9) symmetrical setting before a left side, wheel casing boundary beam assembly (8) are including wheel casing boundary beam body, front deck assembly (81) and wheel casing boundary beam inner panel (82) before a left side.
3. The passenger vehicle 16-ring electric platform vehicle body structure of claim 1, wherein: the left and right welding edges of the rear wall outer plate assembly (7) are respectively in lap joint with the left side wall assembly (1) and the right side wall assembly (2).
4. The passenger vehicle 16-ring electric platform vehicle body structure of claim 3, wherein: the left and right welding edges of the front top beam assembly (5) are respectively in lap joint with the left side wall assembly (1) and the right side wall assembly (2), the reinforcing plate on the left side of the rear top beam assembly (6) is in lap joint with the reinforcing plate on the middle and rear water flowing groove (16) of the left side wall assembly (1), the inner plate on the left side of the rear top beam assembly (6) is in lap joint with the inner plate on the middle and rear water flowing groove of the left side wall assembly (1), and the right side of the rear top beam assembly is symmetrical to the left side wall assembly.
5. The passenger vehicle 16-ring pure electric platform vehicle body structure of claim 4, wherein: the left side welding edge of the top cover skylight (3) is in lap joint with the front top beam assembly (5), and the right side welding edge of the top cover skylight (3) is in lap joint with the rear top beam assembly (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010764150.5A CN112026928B (en) | 2020-08-02 | 2020-08-02 | Passenger car 16-ring pure electric platform car body structure |
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| CN202010764150.5A CN112026928B (en) | 2020-08-02 | 2020-08-02 | Passenger car 16-ring pure electric platform car body structure |
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| CN112026928B true CN112026928B (en) | 2023-01-13 |
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Families Citing this family (1)
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| CN112896323B (en) * | 2021-02-05 | 2022-06-21 | 奇瑞新能源汽车股份有限公司 | Cage-shaped framework structure of vehicle body |
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