CN209852443U - Totally closed end backplate arrangement structure of pure electric vehicles - Google Patents
Totally closed end backplate arrangement structure of pure electric vehicles Download PDFInfo
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- CN209852443U CN209852443U CN201920005465.4U CN201920005465U CN209852443U CN 209852443 U CN209852443 U CN 209852443U CN 201920005465 U CN201920005465 U CN 201920005465U CN 209852443 U CN209852443 U CN 209852443U
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Abstract
The utility model provides a totally closed end backplate arrangement structure of pure electric vehicles, by arrange in the cabin bottom plate of the anterior cabin below of vehicle, arrange in preceding floor bottom plate and well floor bottom plate of vehicle power battery below and arrange in the back floor bottom plate of vehicle rear portion cabin below and constitute, wherein, preceding floor bottom plate is connected by three bottom plates on the left side, the right side and is formed, and back floor bottom plate comprises two bottom plates on the front and back, from the front bumper to the rear bumper of vehicle, the end backplate respectively constitutes the bottom plate smooth-going excessive for end backplate lower part air current is smooth to be passed through, and the left and right both sides front end of preceding floor bottom plate is equipped with ascending turn-ups, and back floor bottom plate rear end is opened has the gas port, makes the small part air current that flows in end backplate upper portion flow out. End backplate not only can reduce the vortex of vehicle bottom, reduces vehicle windage coefficient to improve the continuous mileage of going, can also protect vehicle chassis comprehensively, make the inner part avoid external impact.
Description
Technical Field
The utility model belongs to the technical field of vehicle chassis protection, concretely relates to totally closed end backplate arrangement structure of pure electric vehicles.
Background
In the current automotive industry environment, domestic and foreign automotive enterprises are developing the development of pure electric vehicles. With the rapid development of the pure electric vehicle technology, the improvement of the driving range and the service life of the pure electric vehicle are problems to be solved by various enterprises. The automobile bottom guard plate is used as an important protection part of the automobile chassis, and the structural difference of the automobile bottom guard plate not only relates to the running safety of the automobile, but also influences the integral operation efficiency and energy consumption of the automobile.
Patent document 1(CN205417443U) discloses an automobile bottom guard plate device and an automobile, wherein the bottom guard plate has the advantages of low material cost, low density, large elasticity, small hitting noise, simple structure, convenient installation and the like, but because the bottom guard plate is made of fabric, the protection performance is limited, and when a chassis is scratched, internal parts cannot be well protected;
patent document 2(CN204452625U) discloses an automobile bottom guard plate, which can adjust the overall length of an automobile bottom plate through the angle change between a connecting plate and a first bottom plate and a second bottom plate, and is suitable for automobiles of various models, but because a weakening area is arranged on two sides of a connecting block, the protection performance is greatly reduced;
patent document 3(CN205801014U) discloses an automobile floor fender, which has the advantages of weight and cost reduction, but because the bottom is not smooth, there are a plurality of steps, resulting in eddy current at the bottom of the automobile and increased automobile running resistance.
It can be seen from the above prior art that, firstly, the aerodynamic characteristics of the bottom of the automobile are directly affected by the structural differences of the bottom guard plate of the automobile, and the aerodynamic characteristics of the bottom of the automobile are an important factor affecting the driving range, and the eddy current of the bottom of the automobile can increase the wind resistance coefficient of the automobile, thereby causing the driving range to be reduced; secondly, when the automobile runs, the bottom of the automobile is impacted by external stones and the like and corroded by rain, snow and muddy water, and if the automobile is not well protected, parts such as a driving motor, a battery and a high-voltage wire harness can be broken down, so that the service life of the automobile is shortened.
Disclosure of Invention
To the defect that exists among the above-mentioned prior art, the utility model provides a backplate at the bottom of pure electric vehicles's totally closed, the backplate not only can reduce the vortex of vehicle bottom, reduces vehicle windage coefficient to improve the continuous mileage of going, can also protect vehicle chassis comprehensively, make the inner part avoid external impact. With the attached drawings, the technical scheme of the utility model is as follows:
a totally-enclosed bottom guard plate arrangement structure of a pure electric vehicle is characterized in that a bottom guard plate consists of a cabin bottom plate 1, a front floor bottom plate 2, a middle floor bottom plate 3 and a rear floor bottom plate 4;
the engine room bottom plate 1 is arranged below an engine room at the front part of the vehicle, the front end of the engine room bottom plate 1 is lapped with the front bumper 14, the rear end of the engine room bottom plate 1 is lapped with the front end of the front floor bottom plate 2, and the front parts at the left side and the right side of the engine room bottom plate 1 are lapped with a left front wheel cover and a right front wheel cover respectively;
the front floor bottom plate 2 is arranged below a power battery of a vehicle, the left side and the right side of the front floor bottom plate 2 are respectively lapped with a left doorsill decorative plate and a right doorsill decorative plate, and the rear end of the front floor bottom plate 2 is fixed on the power battery;
the middle floor bottom plate 3 is arranged below a power battery of the vehicle, the left side and the right side of the middle floor bottom plate 3 are respectively lapped with the left doorsill decorative plate and the right doorsill decorative plate, and the front part, the middle part and the rear part of the middle floor bottom plate 3 are all fixed on the power battery;
the rear floor bottom plate 4 is arranged below a rear engine room of the vehicle, the front end of the rear floor bottom plate 4 is fixedly connected with the middle floor bottom plate 3, the left side and the right side of the rear floor bottom plate 4 are respectively lapped with a left rear wheel cover and a right rear wheel cover, and the rear end of the rear floor bottom plate 4 is lapped with a rear bumper 15;
the middle part of the front floor bottom plate 2, the front parts of the middle floor bottom plate 3 and the rear floor bottom plate 4 are positioned on the same horizontal plane, and the bottom protection plate is formed by smoothly passing the engine room bottom plate 1, the front floor bottom plate 2, the middle floor bottom plate 3 and the rear floor bottom plate 4 in sequence.
Furthermore, the left side and the right side of the rear part of the cabin bottom plate 1 are inwards concave, and a movement space is reserved for the front suspension control arm;
further, the front floor bottom plate 2 is formed by connecting a front floor left side bottom plate 5, a front floor middle bottom plate 6 and a front floor right side bottom plate 7;
the left bottom plate 5 and the right bottom plate 7 of the front floor are identical in structure and are symmetrically arranged on two sides of the middle bottom plate 6 of the front floor, and are respectively lapped with the left and right threshold decorative plates on the two sides, the front ends of the left bottom plate 5 and the right bottom plate 7 of the front floor are provided with upward inclined flanges, and the top ends of the flanges extend to the front floor of a vehicle;
the front end of the middle bottom plate 6 of the front floor is lapped with the rear end of the bottom plate 1 of the engine room, and the left side and the right side of the middle bottom plate 6 of the front floor are respectively fixedly connected with the power battery together with the left bottom plate 5 of the front floor and the right bottom plate 7 of the front floor.
Further, the rear floor bottom plate 4 is formed by connecting a first rear floor bottom plate 8 and a second rear floor bottom plate 9;
the front end of the first rear floor bottom plate 8 is fixedly connected with the rear end of the middle floor bottom plate 3, the left side and the right side of the second rear floor bottom plate 9 are respectively in lap joint with the left rear wheel cover and the right rear wheel cover, and the rear end of the second rear floor bottom plate 9 is in lap joint with the rear bumper 15.
Furthermore, the left side and the right side of the rear part of the middle floor bottom plate 3 are inwards concave, and the left side and the right side of the front end of the first rear floor bottom plate 8 are continuously inwards concave after being connected with the middle floor bottom plate 3, so that a movement space is reserved for the rear suspension control arm.
Furthermore, the second rear floor bottom plate 9 is provided with a rectangular air port 16.
Furthermore, reinforcing ribs are further arranged on the inner side of the pure electric vehicle totally-enclosed bottom guard plate, the reinforcing ribs are rectangular, and the length direction of the reinforcing ribs is arranged along the driving direction of the vehicle.
Furthermore, the pure electric automobile totally-enclosed bottom guard plate is made of PP materials.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the component plates of the pure electric vehicle totally-enclosed bottom guard plate are smoothly transited from front to back in sequence, thus reducing the eddy current at the bottom of the vehicle, reducing the wind resistance coefficient and improving the driving range of the pure electric vehicle;
2. totally closed end backplate of pure electric vehicles adopts totally closed arrangement structure, has played comprehensive and effectual guard action to preceding cabin and back cabin, under the floor part, has improved the life of car greatly.
Drawings
FIG. 1 is a schematic view of an overall structure of a totally-enclosed bottom guard plate of the pure electric vehicle of the present invention;
FIG. 2 is an installation schematic view of the totally-enclosed bottom guard plate of the pure electric vehicle of the present invention;
FIG. 3 is a schematic longitudinal sectional view of a totally-enclosed bottom guard plate of the pure electric vehicle according to the present invention;
fig. 4 is a schematic structural view of a front floor bottom guard plate in the fully closed bottom guard plate of the pure electric vehicle of the present invention;
fig. 5 is a schematic structural diagram of the protective plate at the bottom of the rear floor in the totally-enclosed bottom protective plate of the pure electric vehicle.
In the figure:
1 cabin bottom plate, 2 front floor bottom plate, 3 middle floor bottom plate, 4 back floor bottom plate,
5 a left bottom plate of a front floor, 6 a middle bottom plate of the front floor, 7 a right bottom plate of the front floor, 8 a first back bottom plate of the back floor,
9 a second rear floor pan, 10 a front suspension left control arm, 11 a front suspension right control arm, 12 a rear suspension left control arm,
13 rear suspension right control arm, 14 front bumper, 15 rear bumper, 16 air ports;
alpha full load approach angle, beta full load departure angle, h full load minimum ground clearance.
Detailed Description
For further explaining the technical scheme of the utility model, combine the description attached drawing, the concrete implementation of the utility model is as follows:
as shown in figure 1, the invention discloses a full-closed bottom guard plate arrangement structure of a pure electric vehicle, wherein the bottom guard plate is composed of a cabin bottom plate 1, a front floor bottom plate 2, a middle floor bottom plate 3 and a rear floor bottom plate 4.
As shown in fig. 2, the cabin bottom plate 1, the front floor bottom plate 2, the middle floor bottom plate 3 and the rear floor bottom plate 4 are arranged in sequence under the vehicle chassis, wherein the cabin bottom plate 1 is arranged under the front cabin of the vehicle, the front floor bottom plate 2 and the middle floor bottom plate 3 are arranged under the power battery of the vehicle, and the rear floor bottom plate 4 is arranged under the rear cabin of the vehicle.
As shown in fig. 2 and 3, the front edge of the cabin bottom plate 1 is connected with the front end frame of the vehicle, and the cabin bottom plate 1 and the front end frame of the vehicle are fixed by six points which are uniformly distributed, wherein the front edge of the vehicle of the cabin bottom plate 1 is connected with the rear edge of the front bumper 14 in an overlapping manner, the rear edge of the front bumper 14 is clamped between the cabin bottom plate 1 and the front end frame by the three points which are uniformly distributed, and the rest part of the front edge of the cabin bottom plate 1 is directly fixed on the front end frame by the three points which are uniformly distributed; the middle part and the rear part of the cabin bottom plate 1 are fixed with a front auxiliary frame of a vehicle by adopting eight points which are uniformly distributed, wherein the rear edge of the cabin bottom plate 1 is in lap joint connection with the front edge of a front floor middle bottom plate 6 in a front floor bottom plate 2, the front edge of the front floor middle bottom plate 6 is clamped between the cabin bottom plate 1 and the front auxiliary frame and is fixed by three points which are uniformly distributed, the rest part of the rear edge of the cabin bottom plate 1 is directly fixed on the front auxiliary frame by the three points which are uniformly distributed, the two sides of the cabin bottom plate 1 are of a structure which is wide in front and narrow in back, the left side edge of the front part of the cabin bottom plate 1 is in lap joint connection with the lower edge of a left front wheel cover of the vehicle and is fixedly connected by adopting one point, and the right side edge of the front part of the cabin; the left and right sides of the rear part of the cabin bottom plate 1 are locally narrowed for providing a moving space for a front suspension left control arm 10 and a front suspension right control arm 11 of the vehicle.
As shown in fig. 2 and 4, the front floor bottom plate 2 is formed by sequentially connecting a front floor left side bottom plate 5, a front floor middle bottom plate 6 and a front floor right side bottom plate 7 from left to right;
the left side of the left bottom plate 5 of the front floor is in lap joint with a left doorsill decorative plate of a vehicle, the left edge of the left bottom plate 5 of the front floor is fixed on a connecting bracket of the left doorsill decorative plate through three points which are uniformly distributed, the front end of the left bottom plate 5 of the front floor is provided with a flanging in an oblique upward direction, the front edge top end of the flanging extends to the front floor of the vehicle, the front edge of the left bottom plate 5 of the front floor is fixedly connected to a front auxiliary frame of the vehicle, and the rear edge of the left bottom plate 5 of the front floor and the left side of the front edge of the middle bottom plate 3 of the middle floor share the same point and are fixed; the right side of the right bottom plate 7 of the front floor is in lap joint with a right doorsill decorative plate of a vehicle, the right edge of the right bottom plate 7 of the front floor is fixed on a connecting bracket of the right doorsill decorative plate through three points which are uniformly distributed, the front end of the right bottom plate 7 of the front floor is provided with a flanging in an oblique upward direction, the front edge top end of the flanging extends to the front floor of the vehicle, the front edge of the right bottom plate 7 of the front floor is fixed on a front subframe of the vehicle, the rear edge of the right bottom plate 7 of the front floor and the front edge right side of the middle floor bottom plate 3 share the same point and are fixed on a power battery of the vehicle, and the left bottom plate 5 of the front floor and the right bottom plate 7 of the;
the left side of the front floor middle bottom plate 6 and the front floor left side bottom plate 5 share two points which are evenly distributed and are fixed on a power battery of a vehicle, the right side of the front floor middle bottom plate 6 and the front floor right side bottom plate 7 share two points which are evenly distributed and are fixed on the power battery of the vehicle, in addition, the front edge of the front floor middle bottom plate 6 is in lap joint connection with the rear edge of the cabin bottom plate 1, the middle part of the front floor middle bottom plate 6 is directly fixed on the power battery of the vehicle, and the rear part of the front floor middle bottom plate 6 and the front part of the middle floor bottom plate 3 share one point and are fixed on the power battery of the vehicle;
the front floor bottom plate 2 consists of a front floor left side bottom plate 5, a front floor middle bottom plate 6 and a front floor right side bottom plate 7, and the assembly convenience of the front floor bottom plate 2 is improved.
As shown in fig. 2, the middle floor bottom plate 3 and the front floor bottom plate 2 are located on the same horizontal plane, the front part of the middle floor bottom plate 3 and the rear part of the front floor bottom plate 2 share three points and are fixed on a power battery of a vehicle, the left side of the front part of the middle floor bottom plate 3 is overlapped with a left doorsill decorative plate of the vehicle, the left side edge of the front part of the middle floor bottom plate 3 is fixed on a connecting bracket of the left doorsill decorative plate through one point, the right side of the front part of the middle floor bottom plate 3 is overlapped with a right doorsill decorative plate of the vehicle, and the right side edge of the front part of the middle floor bottom plate 3 is fixed; the two sides of the rear part of the middle floor bottom plate 3 are locally and gradually narrowed, and the left control arm 12 and the right control arm 13 of the rear suspension of the vehicle are provided with movement spaces; the middle part and the rear part of the middle floor bottom plate 3 are fixed on a power battery of the vehicle through eight evenly distributed points.
As shown in fig. 2 and 5, the rear floor bottom plate 4 is formed by connecting a first rear floor bottom plate 8 and a second rear floor bottom plate 9 in sequence from front to back; the first rear floor bottom plate 8, the middle floor bottom plate 3 and the front floor bottom plate 2 are all positioned on the same horizontal plane, the front end of the first rear floor bottom plate 8 is fixed at the rear end of the middle floor bottom plate 3 through four points, the middle part and the rear part of the first rear floor bottom plate 8 are fixed on a rear auxiliary frame of the vehicle through six points which are uniformly distributed, the left side and the right side of the first rear floor bottom plate 8 are gradually narrowed from front to back and are matched and connected with the two sides of the rear part of the middle floor bottom plate 3, and a motion space is provided for a rear suspension left control arm 12 and a rear suspension right control arm 13 of the vehicle; the second rear floor bottom plate 9 is provided with two symmetrical rectangular air ports 16, the front end of the second rear floor bottom plate 9 is fixed at the rear end of the first rear floor bottom plate 8 through two points, the left side of the second rear floor bottom plate 9 is connected with a left rear wheel cover of the vehicle in an overlapping manner, the left side edge of the second rear floor bottom plate 9 is fixedly connected with the lower edge of the left rear wheel cover of the vehicle through two points, the right side of the second rear floor bottom plate 9 is connected with a right rear wheel cover of the vehicle in an overlapping manner, the right side edge of the second rear floor bottom plate 9 is fixedly connected with the lower edge of the right rear wheel cover of the vehicle through another two points, the middle part of the second rear floor bottom plate 9 is fixed on a fixed bracket of the vehicle through two uniformly distributed points, and the rear edge of the second rear floor bottom plate 9 is fixed on a rear bumper 15 of the vehicle through six uniformly distributed;
the rear floor bottom plate 4 consists of a first rear floor bottom plate 8 and a second rear floor bottom plate 9, and the reduction of the rigidity of the rear floor bottom plate 4 caused by the opening of the left and right rear suspension control arms is effectively avoided.
As shown in FIG. 3, after the fully-closed bottom guard plate of the pure electric vehicle is installed at the bottom of the vehicle, the requirements that the full-load approach angle alpha is larger than or equal to 18 degrees, the full-load departure angle beta is larger than or equal to 18 degrees, and the full-load minimum ground clearance h is larger than or equal to 130mm can be met.
In the arrangement structure of the fully-closed bottom guard plate of the pure electric vehicle, smooth transition between the bottom plates is formed from the front bumper 14 to the rear bumper 15 of the vehicle, so that airflow at the lower part of the fully-closed bottom guard plate of the pure electric vehicle smoothly circulates, and the edge turning structures at the front ends of the left bottom plate 5 and the right bottom plate 7 of the front floor effectively reduce the airflow flowing into the upper part of the fully-closed bottom guard plate of the pure electric vehicle, and the rectangular air ports 16 formed in the bottom plate 9 of the second rear floor are used for enabling the airflow flowing into the upper part of the bottom guard plate to smoothly flow out through the air ports 16, so that the wind resistance is reduced.
In the fully-closed bottom guard plate of the pure electric vehicle, the cabin bottom plate 1, the left bottom plate 5 of the front floor, the middle bottom plate 6 of the front floor, the right bottom plate 7 of the front floor, the middle bottom plate 3 of the middle floor, the first rear bottom plate 8 and the second rear bottom plate 9 of the rear floor are all made of high-impact PP materials, so that the whole weight of the bottom guard plate is reduced, and the impact resistance of the bottom guard plate is improved.
On the pure electric vehicle totally-enclosed bottom guard plate, all the fixed connection points are uniformly distributed so as to realize the stable connection among all the parts of the bottom guard plate and between all the parts and other parts of the vehicle.
The inner side of the fully-closed bottom guard plate of the pure electric vehicle is also provided with a reinforcing rib so as to increase the strength of the bottom guard plate, the reinforcing rib is arranged between fixed points and is rectangular, and the length direction of the reinforcing rib is arranged along the traveling direction of the vehicle so as to reduce the influence of the reinforcing rib on the wind resistance at the bottom of the vehicle.
Claims (8)
1. The utility model provides a totally closed end backplate arrangement structure of pure electric vehicles which characterized in that:
the bottom guard plate consists of an engine room bottom plate (1), a front floor bottom plate (2), a middle floor bottom plate (3) and a rear floor bottom plate (4);
the engine room bottom plate (1) is arranged below an engine room at the front part of the vehicle, the front end of the engine room bottom plate (1) is in lap joint with the front bumper (14), the rear end of the engine room bottom plate (1) is in lap joint with the front end of the front floor bottom plate (2), and the front parts at the left side and the right side of the engine room bottom plate (1) are in lap joint with a left front wheel cover and a right front wheel cover respectively;
the front floor bottom plate (2) is arranged below a power battery of a vehicle, the left side and the right side of the front floor bottom plate (2) are respectively lapped with the left doorsill decorative plate and the right doorsill decorative plate, and the rear end of the front floor bottom plate (2) is fixed on the power battery;
the middle floor bottom plate (3) is arranged below a power battery of a vehicle, the left side and the right side of the middle floor bottom plate (3) are respectively lapped with the left doorsill decorative plate and the right doorsill decorative plate, and the front part, the middle part and the rear part of the middle floor bottom plate (3) are all fixed on the power battery;
the rear floor bottom plate (4) is arranged below a rear engine room of the vehicle, the front end of the rear floor bottom plate (4) is fixedly connected with the middle floor bottom plate (3), the left side and the right side of the rear floor bottom plate (4) are respectively lapped with a left rear wheel cover and a right rear wheel cover, and the rear end of the rear floor bottom plate (4) is lapped with the rear bumper (15);
the middle part of the front floor bottom plate (2), the front parts of the middle floor bottom plate (3) and the rear floor bottom plate (4) are positioned on the same horizontal plane, and the bottom protection plate is formed by sequentially and smoothly passing the engine room bottom plate (1), the front floor bottom plate (2), the middle floor bottom plate (3) and the rear floor bottom plate (4).
2. The full-closed bottom guard plate arrangement structure of the pure electric vehicle as claimed in claim 1, is characterized in that:
the left side and the right side of the rear part of the engine room bottom plate (1) are inwards concave, and a movement space is reserved for the front suspension control arm.
3. The full-closed bottom guard plate arrangement structure of the pure electric vehicle as claimed in claim 1, is characterized in that:
the front floor bottom plate (2) is formed by connecting a front floor left side bottom plate (5), a front floor middle bottom plate (6) and a front floor right side bottom plate (7);
the left bottom plate (5) and the right bottom plate (7) of the front floor are the same in structure and are symmetrically arranged on two sides of the middle bottom plate (6) of the front floor and are respectively lapped with the left and right doorsill decorative plates on the two sides, the front ends of the left bottom plate (5) and the right bottom plate (7) of the front floor are provided with upward inclined flanges, and the top ends of the flanges extend to the front floor of a vehicle;
the front end of the middle bottom plate (6) of the front floor is in lap joint with the rear end of the cabin bottom plate (1), and the left side and the right side of the middle bottom plate (6) of the front floor are fixedly connected to a power battery together with the left bottom plate (5) of the front floor and the right bottom plate (7) of the front floor respectively.
4. The full-closed bottom guard plate arrangement structure of the pure electric vehicle as claimed in claim 1, is characterized in that:
the rear floor bottom plate (4) is formed by connecting a first rear floor bottom plate (8) and a second rear floor bottom plate (9);
the front end of the first rear floor bottom plate (8) is fixedly connected with the rear end of the middle floor bottom plate (3), the left side and the right side of the second rear floor bottom plate (9) are respectively in lap joint with the left rear wheel cover and the right rear wheel cover, and the rear end of the second rear floor bottom plate (9) is in lap joint with the rear bumper (15).
5. The full-closed bottom guard plate arrangement structure of the pure electric vehicle as claimed in claim 4, is characterized in that:
the left side and the right side of the rear part of the middle floor bottom plate (3) are inwards concave, the left side and the right side of the front end of the first rear floor bottom plate (8) are continuously inwards concave after being connected with the middle floor bottom plate (3), and a movement space is reserved for the rear suspension control arm.
6. The full-closed bottom guard plate arrangement structure of the pure electric vehicle as claimed in claim 4, is characterized in that:
the second rear floor bottom plate (9) is provided with a rectangular air port (16).
7. The full-closed baseboard layout structure of a pure electric vehicle as claimed in any one of claims 1-6, characterized in that:
the inner side of the pure electric vehicle totally-enclosed bottom guard plate is further provided with a reinforcing rib, the reinforcing rib is rectangular, and the length direction of the reinforcing rib is arranged along the driving direction of a vehicle.
8. The full-closed baseboard layout structure of a pure electric vehicle as claimed in any one of claims 1-6, characterized in that:
the fully-closed bottom guard plate of the pure electric vehicle is made of PP materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920005465.4U CN209852443U (en) | 2019-01-03 | 2019-01-03 | Totally closed end backplate arrangement structure of pure electric vehicles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920005465.4U CN209852443U (en) | 2019-01-03 | 2019-01-03 | Totally closed end backplate arrangement structure of pure electric vehicles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830202A (en) * | 2021-10-11 | 2021-12-24 | 岚图汽车科技有限公司 | New energy automobile bottom guard plate platform design method |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830202A (en) * | 2021-10-11 | 2021-12-24 | 岚图汽车科技有限公司 | New energy automobile bottom guard plate platform design method |
| CN113830202B (en) * | 2021-10-11 | 2022-06-07 | 岚图汽车科技有限公司 | New energy automobile bottom guard plate platform design method |
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