CN114275058A - Increase floor assembly structure before journey car - Google Patents
Increase floor assembly structure before journey car Download PDFInfo
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- CN114275058A CN114275058A CN202111333225.5A CN202111333225A CN114275058A CN 114275058 A CN114275058 A CN 114275058A CN 202111333225 A CN202111333225 A CN 202111333225A CN 114275058 A CN114275058 A CN 114275058A
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- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 21
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- 230000008439 repair process Effects 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 7
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- 229910000831 Steel Inorganic materials 0.000 abstract description 15
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- 230000032683 aging Effects 0.000 description 4
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- 206010039203 Road traffic accident Diseases 0.000 description 1
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- 238000005553 drilling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
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- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The invention discloses a front floor assembly structure of a range-extended automobile, aiming at solving the defect that the chassis can not give consideration to both strength and light weight in the prior art, and adopting the following technical scheme to solve the technical problems, wherein the structure comprises the following components: the front floor section is used as a body of the floor assembly structure; the sill beam assembly comprises a left sill beam and a right sill beam which are fixedly arranged on two sides of the front section of the floor respectively; the sill beam assembly is made of aluminum alloy, the sill beam assembly is connected with the front section of the bottom plate in an FDS or SPR (fully drawn Standard) connection mode, and structural glue is arranged between the connecting position of the sill beam assembly and the front section of the floor; set the threshold roof beam assembly to the aluminum alloy and set the floor anterior segment to steel respectively through the aforesaid and make preceding floor assembly structure can enough keep rigidity also can realize the purpose of lightweight.
Description
Technical Field
The invention relates to the technical field of automobile bottom plates, in particular to a front floor assembly structure of an extended-range automobile.
Background
At present, with the development of social economy, the development of green energy conservation is a main direction of the current social development.
Based on the advantages of energy conservation, environmental protection, low noise, high speed acceleration and low charging cost of the electric automobile, the national government and local governments can give subsidies to the electric automobile in a certain proportion, people are more and more inclined to select the electric automobile, but the endurance mileage and the charging problem of the electric automobile cannot meet various complex automobile using scenes, and the extended range automobile has the advantages of being compatible with the electric automobile and a fuel automobile, and is a great trend for the development of the automobile industry. However, compared with a pure electric vehicle, the range-extended vehicle needs to be provided with parts such as an oil tank, an exhaust pipe and a generator, so that more parts can be arranged on a chassis of the range-extended vehicle; and because the number of the related parts of the range-extended automobile is increased, the weight of the range-extended automobile is increased, the energy consumption of the range-extended automobile is greatly increased, and the utilization rate of energy is reduced.
The invention discloses a lower vehicle body floor arrangement structure for an extended range type electric business vehicle, which is named as the arrangement structure of the lower vehicle body floor for the extended range type electric business vehicle, wherein the Chinese patent publication No. CN113276961A, publication No. 2021, No. 8, No. 20, discloses a lower vehicle body floor arrangement structure for the extended range type electric business vehicle, and the application discloses a floor frame which comprises a left longitudinal beam, a right longitudinal beam and a rear cross beam connected between the left longitudinal beam and the right longitudinal beam; the floor body comprises a floor central channel which is positioned between the left longitudinal beam and the right longitudinal beam and is bulged upwards, and the rear end of the floor central channel is fixedly connected with the rear cross beam; the power battery is fixedly arranged below the central channel of the floor in the horizontal direction, and a transverse through space is preset between the power battery and the rear cross beam; the reinforcing assembly comprises a reinforcing cross beam which is positioned in the transverse through space and connects two sides of the central passage of the floor into a whole, and a plurality of steel plate reinforcing ribs which are arranged at intervals are fixedly arranged in the rear cross beam along the length direction of the rear cross beam. Although the problems of abnormal sound and shaking of the bottom plate of the automobile body under the automobile body are solved, the central channel of the floor and the left and right cross beams are welded or integrally formed in a punching mode, so that the central channel and the left and right cross beams are made of the same metal material, and in order to meet the requirement of light weight, when aluminum alloy is used, the overall strength of the floor is reduced; when steel is used, the floor board has a certain strength, but the weight of the bottom board is too large, so that the requirement of light weight cannot be met.
Disclosure of Invention
The invention overcomes the defect that the floor of the extended-range automobile in the prior art cannot give consideration to both strength and light weight, and provides the front floor assembly structure of the extended-range automobile, which can ensure that the extended-range automobile meets the requirement of light weight while meeting the requirement of rigidity.
In order to solve the technical problems, the invention adopts the following technical scheme:
in the prior art, in order to ensure that most floors of extended-range automobiles are integrally formed by stamping or welded, and simultaneously, in order to ensure that the quality of the floor assembly can be reduced, and because the cost of the aluminum alloy is low, most aluminum alloys are adopted to achieve the aim of light weight, but because the rigidity of the aluminum alloy is low, the integral rigidity of the automobiles is reduced; if steel is adopted, the overall vehicle body quality is greatly increased, and the aim of light weight is difficult to achieve; the front floor assembly structure has the advantages that the front floor assembly and the threshold beam assembly are arranged into two parts, the threshold beam assembly is arranged into the aluminum alloy, so that the weight of the threshold beam assembly is greatly reduced, and the purpose of light weight is achieved; the sill beam assembly and the front floor section adopt an FDS and SPR connection mode, so that the sill beam and the front floor section are connected more quickly, the connection strength between the sill beam assembly and the front floor section can be ensured, structural adhesive is arranged between the sill beam assembly and the front floor section, the front floor section serving as steel and the sill beam assembly serving as an aluminum alloy material are mutually isolated through the structural adhesive, electrochemical corrosion is caused by contact between the two modes, and the structural adhesive has the advantages of capability of bearing larger load, aging resistance, fatigue resistance, corrosion resistance, stable performance in the expected life and suitability for bearing strong structural parts; meanwhile, due to the fact that structural adhesive is adopted, the joints between the threshold beam assembly and the front section of the floor cannot be in mutual contact, and therefore noise generated by vibration in the forward process of the extended-range automobile can be reduced in the moving process of the extended-range automobile, and riding comfort is improved.
Preferably, the front section of the floor is transversely welded with a front beam assembly and a rear beam assembly in sequence along the longitudinal direction;
the front cross beam assembly and the rear cross beam assembly are connected with the threshold beam assembly through connecting plates;
the connecting plate is connected with the threshold beam assembly in an FDS or SPR connecting mode, and structural adhesive is arranged between the connecting plate and the threshold beam assembly;
the connecting plate is connected with the front beam assembly and the rear beam assembly in a spot welding and welding sealant mode.
Front beam assembly and rear beam assembly both are fixed to be set up on floor anterior segment, and front beam assembly and rear beam assembly are connected with threshold beam assembly, rigidity and intensity that can effectual improvement front floor assembly structure, what the connecting plate adopted simultaneously also is FDS or SPR connection structure makes front beam assembly and rear beam assembly connect on threshold beam assembly, and fix through the structure is glued, the effectual problem of taking place electrochemical corrosion between steel and the aluminum alloy of having solved, the structure is glued simultaneously and can also be improved joint strength between the two, have the effect that can bear great load, it is ageing-resistant to have, it is tired, corrosion resistant advantage. Meanwhile, the connecting plate is connected with the front beam assembly and the rear beam assembly in a spot welding mode, so that the connecting strength of a welding part can be guaranteed, and meanwhile, the sealing property of connection between the front beam assembly and the rear beam assembly can be guaranteed.
Preferably, the front floor assembly structure further comprises a floor rear section, and the floor rear section is connected with the floor front section through spot welding and welding sealant. .
Set floor assembly structure to floor back end and floor anterior segment, be in order to the arrangement of matching carpet face, range battery, blast pipe that can be convenient, and make carpet face and range battery and blast pipe can arrange more rationally.
Preferably, protruding areas protruding towards the direction of the front cross beam assembly are arranged on two sides of the rear floor section in the transverse direction, and an oil pump repair cover is arranged on one of the protruding areas.
Set up the oil pump that the jut can conveniently match the oil tank, set up the oil pump in the jut simultaneously and repair the flap to make things convenient for the maintenance of later stage oil tank.
Preferably, the front beam assembly comprises a first front beam and a second front beam, and the first front beam and the second front beam are both transversely arranged;
the rear cross beam assembly comprises a first rear cross beam and a second rear cross beam, and the first rear cross beam and the second rear cross beam are transversely arranged in parallel.
The first front cross beam and the second front cross beam are used for mounting front-row seats, and the first rear cross beam and the second rear cross beam are used for mounting rear-row seats, so that the structure is more compact, and the subsequent front-row and rear-row seats are convenient to mount; simultaneously through arranging of first front beam, second front beam, first back crossbeam, second back crossbeam, threshold roof beam assembly for can play an effectual guard action to passenger and battery when the traffic accident takes place.
Preferably, a mounting longitudinal beam for mounting a battery is arranged on one side of the front floor section opposite to the front cross beam assembly; the mounting longitudinal beam is provided with a plurality of battery mounting reinforcing plates along the length direction of the mounting longitudinal beam.
In order to make the battery installation more convenient and stable, the installation longitudinal beam 6 is arranged, and the plurality of battery installation reinforcing plates 61 are installed in the longitudinal beam direction, so that the stability of the battery after installation is improved.
Preferably, an exhaust pipe hook is arranged at one end, far away from the rear section of the floor, of the mounting longitudinal beam.
The exhaust pipe hook is arranged, so that the exhaust pipe can be installed more conveniently, and the exhaust pipe is also arranged conveniently in the front floor assembly structure.
Preferably, the front floor section is provided with a mounting bracket for mounting an oil tank on the same side as the mounting longitudinal beam, and the mounting bracket is arranged at one end close to the rear floor section.
The installation between the oil tank and the rear-section support of the floor can be greatly facilitated by arranging the installation support.
Preferably, the front floor section is provided with a reinforcing plate on one side where the front cross beam assembly is installed, and the reinforcing plate is longitudinally and fixedly arranged on the front floor section.
The rigidity of the invention is further improved by arranging the reinforcing plate, and the protection of the battery is improved.
Compared with the prior art, the invention has the beneficial effects that: (1) the aim of light weight is fulfilled under the condition of ensuring the structural rigidity of the front floor assembly; (2) the electrochemical corrosion is prevented by adopting the connection mode of the structural adhesive, so that the service life of the invention is prolonged; (3) the structure is compact, and the installation of the front and rear seats, the oil tank, the carpet surface, the range-extended battery and the exhaust pipe is convenient.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2;
FIG. 5 is a cross-sectional view between the left rocker beam and the first front cross member of the present invention;
FIG. 6 is a perspective view of the connector of the present invention;
FIG. 7 is a block diagram of the mounting stringer of the present invention;
FIG. 8 is a top view of the mounting stringer of the present invention;
fig. 9 is a sectional view of a battery mounting reinforcing plate of the present invention;
in the figure: 1. floor anterior segment, 21, front beam assembly, 211, first front beam, 212, second front beam, 22, rear beam assembly, 221, first rear beam, 222, second rear beam, 3, threshold beam assembly, 31, left threshold beam, 32, right threshold beam, 4, connecting plate, 5, floor back end, 51, protruding area, 52, oil pump repair flap, 6, installation longeron, 61, battery installation reinforcing plate, 62, blast pipe couple, 63, installing support, 7, reinforcing plate, 8, center channel reinforcing plate, 9, the drill screw.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: an extended range automotive front floor assembly structure comprising:
the front floor section 1 is used as a body of a floor assembly structure;
the sill assembly 3 comprises a left sill beam 31 and a right sill beam 32, and the left sill beam 31 and the right sill beam 32 are respectively and fixedly arranged on two sides of the front floor section 1;
the sill beam assembly 3 is made of aluminum alloy, the sill beam assembly 3 is connected with the front floor section 1 in an FDS or SPR (fully drawn Standard) connection mode, and structural glue is arranged between the connection part of the sill beam assembly 3 and the front floor section 1; the FDS adopts a flow drilling screw 9 in the prior art for connection, and is reinforced by rotary heating, penetration, through hole, tapping, screwing and fastening; the SPR adopts self-piercing riveting connection, and is mainly processed and connected through the steps of clamping, blanking, expanding, piercing riveting and the like.
In the prior art, in order to ensure that most floors of extended-range automobiles are integrally formed by stamping or welded, and simultaneously, in order to ensure that the quality of the floor assembly can be reduced, and because the cost of the aluminum alloy is low, most aluminum alloys are adopted to achieve the aim of light weight, but because the rigidity of the aluminum alloy is low, the integral rigidity of the automobiles is reduced; if steel is adopted, the overall vehicle body quality is greatly increased, and the aim of light weight is difficult to achieve; the front floor assembly structure has the advantages that the front floor section 1 and the threshold beam assembly 3 are arranged into two parts, the threshold beam assembly 3 is arranged into aluminum alloy, so that the weight of the threshold beam assembly 3 is greatly reduced, and the purpose of light weight is achieved, meanwhile, the front floor section 1 is arranged into steel, so that the front floor assembly structure can keep certain rigidity, and the front floor assembly structure can keep rigidity and achieve the purpose of light weight by respectively arranging the threshold beam assembly 3 into aluminum alloy and the front floor section 1 into steel; the sill beam assembly 3 and the front floor section 1 adopt an FDS and SPR connection mode, so that the sill beam assembly 3 and the front floor section 1 are connected more quickly, the connection strength between the sill beam assembly 3 and the front floor section 1 can be ensured, structural adhesive is arranged between the sill beam assembly 3 and the front floor section 1, the front floor section serving as steel and the sill beam assembly serving as an aluminum alloy material are isolated from each other through the structural adhesive, electrochemical corrosion is generated due to contact between the sill beam assembly and the steel, the structural adhesive has the advantages of capability of bearing larger load, ageing resistance, fatigue resistance, corrosion resistance, stable performance in the expected life and suitability for bearing strong structural members; meanwhile, due to the fact that structural adhesive is adopted, the joints between the threshold beam assembly and the front section of the floor cannot be in mutual contact, and therefore noise generated by vibration in the forward process of the extended-range automobile can be reduced in the moving process of the extended-range automobile, and riding comfort is improved.
The front section 1 of the floor is sequentially and transversely welded with a front beam assembly 21 and a rear beam assembly 22 along the longitudinal direction;
the front beam assembly 21 and the rear beam assembly 22 are connected with the threshold beam assembly 3 through the connecting plate 4;
the connecting plate 4 is connected with the sill beam assembly 3 in an FDS or SPR connecting mode, and structural adhesive is arranged between the connecting plate 4 and the sill beam assembly 3;
the connecting plate 4 is connected with the front beam assembly 21 and the rear beam assembly 22 through spot welding and welding sealant.
The front floor assembly structure also comprises a floor rear section 5, and the floor rear section 5 is connected with the floor front section 1 in a spot welding and welding sealant mode; .
The floor assembly structure is set as the rear floor section 5 and the front floor section 1, so that the carpet surface, the range-extending battery and the exhaust pipe can be conveniently matched and can be more reasonably arranged.
Protruding areas 51 protruding toward the front cross beam assembly 21 are provided on both sides of the floor rear section 5 in the lateral direction, and an oil pump repair cover 52 is provided on one of the protruding areas.
Set up the oil pump that the jut can conveniently match the oil tank, set up the oil pump in the jut simultaneously and repair the flap to make things convenient for the maintenance of later stage oil tank.
The front beam assembly 21 comprises a first front beam 211 and a second front beam 212, and the first front beam 211 and the second front beam 212 are both arranged transversely;
the rear cross beam assembly 22 comprises a first rear cross beam 221 and a second rear cross beam 222, and the first rear cross beam 221 and the second rear cross beam 222 are arranged in parallel transversely;
a central channel reinforcing plate 8 is vertically arranged on the first front cross beam.
The first front cross beam 211 and the second front cross beam 212 are used for installing front-row seats, and the first rear cross beam 221 and the second rear cross beam 222 are used for installing rear-row seats, so that the structure is more compact, and the subsequent installation of front-row and rear-row seats is facilitated; meanwhile, due to the arrangement of the first front cross beam 211, the second front cross beam 212, the first rear cross beam 221, the second rear cross beam 222 and the threshold beam assembly 3, passengers and batteries can be effectively protected in the event of a car accident.
A mounting longitudinal beam 6 is arranged on one side of the front floor section 1 opposite to the front cross beam assembly 21; the mounting side member 6 is provided with a plurality of battery mounting reinforcing plates 61 along the longitudinal direction thereof.
In order to make the battery installation more convenient and stable, set up installation longeron 6, at a plurality of battery installation reinforcing plates of the length direction installation longeron 6, improve the stability ability after the battery installation.
The mounting stringer 6 is provided with an exhaust pipe hanger 62 at an end remote from the rear floor section 5.
The exhaust pipe hook 62 is arranged to enable the exhaust pipe to be mounted more conveniently, and the exhaust pipe is arranged conveniently in the front floor assembly structure.
The front floor section 1 is provided with a mounting bracket 63 for mounting an oil tank on the same side as the longitudinal beam 6, and the mounting bracket 63 is arranged at one end close to the rear floor section 5.
The installation between the oil tank and the installation bracket 63 of the rear floor section 5 is greatly facilitated by the installation bracket 63.
Floor anterior segment 1 is provided with reinforcing plate 7 in the one side of installing front beam assembly 21, and reinforcing plate 7 longitudinal fixation sets up on floor anterior segment 1, and reinforcing plate 7 is fixed to be set up on floor anterior segment 1, and front beam assembly 21 and rear beam assembly 22 are fixed to be set up on reinforcing plate 7 for reinforcing plate 7 and front beam assembly 21, rear beam assembly 22 form the grid.
The provision of the reinforcing plate 7 further improves the rigidity of the present invention and improves the protection of the battery.
According to the invention, the front floor assembly structure is set into two parts of the floor front section 1 and the threshold beam assembly 3, so that the two parts can select proper materials according to actual conditions, in the invention, the floor front section 1 is set into steel, the threshold beam assembly 3 is set into aluminum alloy material, the arrangement of the aluminum alloy material can enable the front floor assembly structure to play a role of light weight, and the steel material is adopted, so that the front floor assembly structure can ensure the quality while ensuring the rigidity, and meanwhile, the first front cross beam 211, the second front cross beam 212, the first rear cross beam 221 and the second rear cross beam 222 are arranged on the floor front section 1, so that the rigidity of the floor is further improved; meanwhile, in order to facilitate the installation of the oil tank and the maintenance of the oil tank in the later period, the rear floor section 5 is arranged, the oil pump repair opening 52 is arranged on the rear floor section 5, in order to facilitate the installation of the battery and the exhaust pipe, the front floor section is provided with an installation longitudinal beam 6, the installation longitudinal beam 6 is provided with a plurality of battery installation reinforcing plates 61, the battery installation reinforcing plates 61 can improve the stability of the battery after the installation, and the end part of the installation longitudinal beam 6 is provided with an exhaust pipe hook 62 for hanging the exhaust pipe and an installation bracket 63 for installing the oil tank; meanwhile, the front section 1 of the floor is provided with a reinforcing plate 7, so that the rigidity of the front floor assembly structure is improved; meanwhile, the reinforcing plate 7, the central channel reinforcing plate 8, the floor front section 1, the threshold assembly 3, the first front cross beam 211, the second front cross beam 212, the first rear cross beam 221 and the second rear cross beam 222 are matched, so that when dangers such as car accidents occur, the protective effect can be achieved on passengers and batteries, and the situation that the batteries are naturally dangerous due to collision and two-foot dangers occur is prevented; meanwhile, the threshold beam assembly 3 is made of aluminum alloy, other mechanisms are made of steel, in order to avoid electrochemical corrosion, all other parts are connected with the threshold beam assembly 3 through FDS or SPR matched with structural adhesive to be connected, and other parts are connected through a connection mode of spot welding and welding sealant.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (10)
1. The utility model provides a floor assembly structure before increase journey car which characterized by includes:
a floor front section (1) as a body of a floor assembly structure;
the sill assembly (3), the sill assembly (3) includes a left sill beam (31) and a right sill beam (32), the left sill beam (31) and the right sill beam (32) are respectively and fixedly arranged on two sides of the front floor section (1);
wherein, what threshold roof beam assembly (3) adopted is the aluminum alloy material, threshold roof beam assembly (3) with what floor anterior segment (1) adopted is that FDS or SPR connected mode connects, and threshold roof beam assembly (3) with be provided with the structure between floor anterior segment (1) junction and glue.
2. The extended range automotive front floor assembly structure of claim 1, wherein:
the front floor section (1) is sequentially and transversely welded with a front beam assembly (21) and a rear beam assembly (22) along the longitudinal direction;
the front cross beam assembly (21) and the rear cross beam assembly (22) are connected with the threshold beam assembly (3) through a connecting plate (4);
the connecting plate (4) is connected with the threshold beam assembly (3) in an FDS or SPR connecting mode, and structural glue is arranged between the connecting plate (4) and the threshold beam assembly (3);
the connecting plate (4) is connected with the front beam assembly (21) and the rear beam assembly (22) in a spot welding and welding sealant mode.
3. The extended range automobile front floor assembly structure as claimed in claim 1, wherein the front floor assembly structure further comprises a rear floor section (5), and the rear floor section (5) is connected with the front floor section (1) by spot welding and welding sealant.
4. The extended range automobile front floor assembly structure as claimed in claim 1, wherein protruding areas (51) protruding towards the front cross beam assembly (21) are arranged on two sides of the rear floor section (5) in the transverse direction, and an oil pump repair cover (52) is arranged on one of the protruding areas.
5. The extended range automotive front floor assembly structure of claim 2, wherein:
the front cross beam assembly (21) comprises a first front cross beam (211) and a second front cross beam (212), and the first front cross beam (211) and the second front cross beam (212) are transversely arranged;
the rear cross beam assembly (22) comprises a first rear cross beam (221) and a second rear cross beam (222), and the first rear cross beam (221) and the second rear cross beam (222) are arranged in parallel transversely.
6. The range-extended automobile front floor assembly structure as claimed in claim 1, wherein a mounting longitudinal beam (6) for mounting a battery is arranged on one side of the front floor section (1) opposite to the front cross beam assembly (21); the mounting longitudinal beam (6) is provided with a plurality of battery mounting reinforcing plates (61) along the length direction.
7. The extended range automobile front floor assembly structure as claimed in claim 6, wherein the mounting longitudinal beam (6) is provided with an exhaust pipe hook (62) at an end far away from the rear floor section (5).
8. The extended range automobile front floor assembly structure as claimed in claim 6, 7 or 8, wherein the front floor section (1) is provided with a mounting bracket (63) for mounting an oil tank on the same side as the mounting longitudinal beam (6), and the mounting bracket (63) is arranged at one end close to the rear floor section (5).
9. The range-extended automobile front floor assembly structure as claimed in claim 1, wherein the front floor section (1) is provided with a reinforcing plate (7) at one side where the front cross beam assembly (21) is installed, and the reinforcing plate (7) is longitudinally and fixedly arranged on the front floor section (1).
10. A range-extended automobile, comprising the range-extended automobile front floor assembly structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333225.5A CN114275058A (en) | 2021-11-11 | 2021-11-11 | Increase floor assembly structure before journey car |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111333225.5A CN114275058A (en) | 2021-11-11 | 2021-11-11 | Increase floor assembly structure before journey car |
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| CN114275058A true CN114275058A (en) | 2022-04-05 |
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| CN202111333225.5A Pending CN114275058A (en) | 2021-11-11 | 2021-11-11 | Increase floor assembly structure before journey car |
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| CN210364088U (en) * | 2019-08-08 | 2020-04-21 | 宜宾凯翼汽车有限公司 | Electric automobile front floor assembly |
| CN210882353U (en) * | 2019-12-05 | 2020-06-30 | 东风小康汽车有限公司重庆分公司 | Front floor stiffening beam and car |
| CN211765886U (en) * | 2020-03-16 | 2020-10-27 | 重庆金康赛力斯新能源汽车设计院有限公司 | Force transmission structure of front vehicle body of vehicle |
| CN212473098U (en) * | 2020-06-17 | 2021-02-05 | 东风小康汽车有限公司重庆分公司 | Range-extending type automobile fuel tank and automobile comprising same |
| CN114313022A (en) * | 2021-10-09 | 2022-04-12 | 浙江零跑科技股份有限公司 | Aluminum extruded section vehicle body structure for new energy automobile |
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