CN114987627A - Electric automobile front floor structure and electric automobile comprising same - Google Patents
Electric automobile front floor structure and electric automobile comprising same Download PDFInfo
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- CN114987627A CN114987627A CN202210768817.8A CN202210768817A CN114987627A CN 114987627 A CN114987627 A CN 114987627A CN 202210768817 A CN202210768817 A CN 202210768817A CN 114987627 A CN114987627 A CN 114987627A
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- floor
- electric vehicle
- automobile
- floor structure
- front floor
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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
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2018—Floors or bottom sub-units in connection with other superstructure subunits the subunits being front structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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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
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2027—Floors or bottom sub-units in connection with other superstructure subunits the subunits being rear structures
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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
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention discloses a front floor structure of an electric automobile and the electric automobile comprising the front floor structure, which comprises a floor body, a middle channel, a seat cross beam, floor longitudinal beams, a threshold beam, a front baffle lower cross beam and a middle floor cross beam which are integrally formed by high-pressure die casting, wherein the middle channel is arranged at the middle position of the floor body along the length direction of the automobile body, the threshold beam is arranged at two sides of the floor body along the length direction of the automobile body, the front baffle lower cross beam is arranged at the front end of the floor body along the width direction of the automobile body, the middle floor cross beam is arranged at the rear end of the floor body along the width direction of the automobile body, and the seat cross beam is arranged at the middle position of the floor body along the width direction of the automobile body.
Description
Technical Field
The invention belongs to the field of electric automobiles, and particularly relates to a front floor structure of an electric automobile and an electric automobile comprising the same.
Background
The front floor structure is one of important parts formed by a passenger compartment of an electric automobile body, plays an important role in bearing seats and passengers, plays a key role in sealing and NVH of the passenger compartment, is one of key force transmission paths for side collision of the whole automobile, and is important for protecting the passenger compartment.
The traditional front floor structure is shown in fig. 1 and 2, and is formed by welding and riveting a plurality of steel, aluminum stamping parts and aluminum profiles, the joints between parts need to be overlapped in structure, the structures need to be connected together in a welding or riveting mode, and the joint seams need to be sealed by special glue, so that the weight is increased, the process is complex, and the sealing performance and the environmental protection performance are poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a front floor structure of an electric automobile and the electric automobile, and the front floor structure can be used as a part of a battery pack shell of the electric automobile and integrated with a power battery while solving the problems, so that the structural space of the battery pack is increased, and the arrangement space of a battery core is increased.
In order to achieve the purpose, the invention is realized by the following technical scheme:
first aspect, this embodiment provides an electric automobile front floor structure, including high pressure die-casting integrated into one piece's floor body, well passageway, seat crossbeam, floor longeron, threshold roof beam, preceding baffle bottom end rail and well floor crossbeam, well passageway set up the intermediate position at the floor body along the length direction of automobile body, the threshold roof beam sets up the both sides at the floor body along the length direction of automobile body, preceding baffle bottom end rail sets up in the front end of floor body along the width direction of automobile body, well floor crossbeam sets up in the rear end of floor body along the width direction of automobile body, the seat crossbeam sets up in the intermediate position of floor body along the width direction of automobile body.
As a further technical scheme, a front joint is further arranged on the lower cross beam of the front baffle plate to realize the connection with the front longitudinal beam of the vehicle body.
As a further technical scheme, a rear joint is arranged at the rear end of the floor longitudinal beam to realize the connection with a rear longitudinal beam of the vehicle body.
As a further technical scheme, the floor body and the middle channel are of structures with different thicknesses.
As a further technical scheme, step surfaces are arranged at positions, needing to be reinforced, of the floor body and the middle channel, or the thickness is increased to realize reinforcement.
As a further technical scheme, reinforcing ribs are arranged at the positions, needing to be reinforced, of the seat cross beam and the threshold beam, or the thickness of the reinforcing ribs is increased to realize reinforcement.
As a further technical scheme, the floor body, the middle channel, the seat cross beam, the floor longitudinal beam, the threshold beam, the front baffle lower cross beam and the middle floor cross beam are made of alloy aluminum.
As a further technical scheme, mounting points of a lower shell of the battery pack are arranged on the lower cross beam of the front baffle, the cross beam of the middle floor and the threshold beam.
In a second aspect, the invention provides an electric vehicle, which comprises the electric vehicle front floor structure.
As a further technical solution, the front floor structure of the electric vehicle is connected with the lower case of the battery pack as the upper case of the battery pack.
The embodiment of the invention has the following beneficial effects:
1. according to the invention, the floor body, the middle channel, the seat cross beam, the floor longitudinal beam, the threshold beam, the front baffle lower cross beam and the middle floor cross beam are integrally formed through high-pressure die casting, all welding seams and riveting pieces on the components are eliminated, the overall weight is reduced compared with the existing electric automobile front floor structure, the forming process is not complex, and the sealing property and the environmental protection property can be achieved.
2. The lower beam of the front baffle plate, the middle floor beam and the front floor structure of the electric automobile are integrally formed, so that the front floor forms a closed frame structure, the beams are not connected by welding and riveting but form a whole, the rigidity is improved, the force transmission in the collision process is improved, and the frame structure also provides a space for designing a connection point and a structural space for sealing the upper shell and the lower shell for the installation of the lower shell of the battery pack.
3. According to the structural form of the integrated front floor structural member, the integrated front floor assembly is realized by adopting a high-pressure die-casting process, the technical characteristic of high-pressure casting is that a relatively complex structure and a thin-wall structure can be formed, and the minimum thickness can reach 1mm to 1.5 mm.
4. The front joint, the threshold beam and the rear joint effectively connect the front longitudinal beam and the rear longitudinal beam together to form a whole penetrating beam structure from front to back, and the whole penetrating beam structure plays a good role in improving the whole rigidity, the direct collision and the rear collision of a vehicle body framework.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of a conventional front floor assembly;
FIG. 2 is an exploded view of a conventional front floor assembly;
FIG. 3 is an overall view of a front floor integrated structure according to the present invention;
FIG. 4 is a schematic view of the integrated front floor structure of the present invention as an upper case of a battery pack;
in the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
100. A conventional front floor assembly; 200. the aluminum alloy is die-cast into an integrated front floor assembly;
101. a conventional floor body; 102. a conventional mesochannel body; 103. a conventional seat beam body; 104. conventional floor stringers; 105. a conventional threshold beam;
201. a joint structure; 202. a middle channel; 203. a seat cross member; 204. a floor body; 205. a threshold beam; 206. a joint structure; 207. mounting point structures of the lower battery pack shell, 208 front baffle lower cross beams and 209 middle floor cross beams.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
the noun explains: the term "high-pressure die casting" as used herein means that the casting pressure of the front floor assembly integrated structure 200 is 30MPa or more.
As shown in fig. 1 and 2, a front floor structure 100 of an automobile body in the prior art is a front floor assembly 100 formed by welding and connecting parts such as a floor body 101, a center tunnel body 102, a seat cross beam 103, a floor longitudinal beam 104, a threshold beam 105 and the like, the floor body 101 and the center tunnel body 102 are plate structures which can be steel stamped parts or aluminum alloy stamped parts, and the seat cross beam, the floor longitudinal beam and the threshold beam are beam structures which can be steel stamped parts or aluminum alloy profiles.
In order to solve the above problems, the present embodiment provides a new front floor assembly integrated structure 200, in which the front floor assembly integrated structure 200 in this embodiment designs the floor body, the center tunnel body, the seat cross beam, the floor longitudinal beams, and the threshold beam as an integrated structure, and simultaneously designs the front baffle lower cross beam, the center floor cross beam, and the front floor assembly as an integrated structure, that is, the floor body, the center tunnel body, the seat cross beam, the floor longitudinal beams, the threshold beam, the front baffle lower cross beam, and the center floor cross beam as an integrated structure, specifically, the floor body, the center tunnel body, the seat cross beam, the floor longitudinal beams, the threshold beam, the front baffle lower cross beam, and the center floor cross beam are all designed as an integrated structure by a high pressure die casting process using aluminum alloy materials, the floor body, the center tunnel body, the seat cross beam, the floor longitudinal beams, the threshold beam, the front baffle lower cross beam, and the center floor cross beam are integrated, all welding seams and riveting pieces on these components are eliminated, and the overall weight is reduced compared with the existing electric vehicle front floor structure, and the molding process is not complex, and the sealing property and the environmental protection property can be achieved.
Specifically, as shown in fig. 3 and 4, the aforementioned integrated front floor assembly structure 200 includes a floor body 204 formed by high-pressure die-casting, a center tunnel 202, a seat cross member 203, a threshold beam 205, a front fender lower cross member 208, and a center floor cross member 209; the middle channel 202 is disposed at the middle position of the floor body 204 along the length direction of the automobile body, the two threshold beams 205 are disposed at the left and right sides of the floor body 204 along the length direction of the automobile body, the front baffle lower cross beam 208 is disposed at the front end of the floor body 204 along the width direction of the automobile body (the direction indicated by the front end is consistent with the automobile front-rear direction in general), the middle floor cross beam 209 is disposed at the rear end of the floor body 204 along the width direction of the automobile body (the direction indicated by the rear end is consistent with the automobile front-rear direction in general), the two seat cross beams 203 are disposed at the middle position of the floor body 204 along the width direction of the automobile body, and the two seat cross beams 203 are disposed in parallel to each other.
The material used in the die casting process is an alloy aluminum, that is, the front floor assembly integrated structure 200 provided in this embodiment is made of an alloy aluminum material, the alloy element may be one or a combination of several of magnesium, copper, silicon, and manganese, the alloy content may be between 3% and 15%, and if the alloy is an alloy with multiple elements, the total content is generally not more than 15%.
The invention is realized by adopting a high-pressure casting process according to the structural form of the integrated structural component of the front floor, the technical characteristic of the high-pressure casting is that a more complex structure and a thin-wall structure can be formed, and the minimum thickness can reach 1mm to 1.5 mm.
It should be further noted that the front baffle lower cross member 208 is a component of an existing electric vehicle, most of the front baffle lower cross members 208 of the existing electric vehicle are made of steel, and are generally disposed on a front baffle, and the front baffle is welded to a front floor, but in this embodiment, the front baffle lower cross member 208 and the front floor are integrally formed by high-pressure die-casting.
It should be further noted that the middle floor cross member 209 is generally disposed on the middle floor, and in this embodiment, the middle floor cross member 209 and the front floor structure are integrally formed by high-pressure die-casting.
In this embodiment, the front baffle cross beam, the middle floor cross beam and the front floor structure are integrally formed by die-casting, so that the front floor can form a structure of a closed frame beam, and the overall rigidity of the front floor can be better. The front baffle cross beam 208, the threshold beam 205 and the front longitudinal beam rear part 201 form a complete integral structure, so that the transmission of frontal collision force is facilitated, and the structural effectiveness in the collision process is prevented. The middle floor cross beam 209, the threshold beam 205 and the middle channel 202 form a complete integral structure, which is more beneficial to the conduction of the side collision force and prevents the structure from being effective in the collision process. Meanwhile, the integrated frame beam structure also provides a space and a sealing surface for mounting the lower shell of the battery pack.
It should be further noted that the shapes of the floor body 204, the center tunnel 202, the seat cross member 203, and the threshold beam 205 are specifically designed according to the vehicle model structures.
The middle part of the integrated structure of the front floor in the embodiment comprises a center channel 202, a seat cross beam 203, a floor body 204 and a threshold beam 205, the integrated structures are important components of a cab, and besides the function of the traditional automobile front floor, the integrated structure plays a good role in bending and torsional rigidity of the whole automobile body and plays a good role in decomposing the transmission of side collision force (such as a side collision force transmission path).
Furthermore, the thickness of the center channel 202 and the floor body 204 serving as a skin structure of the floor assembly can be 1-3 mm, and according to the requirements of local rigidity and mode, the design of different material thicknesses can be adopted, and a step surface is designed or the thickness is increased at a position needing reinforcement to reinforce, which is an advantage of the die-casting process integrated molding technology.
Further, the seat cross beam 203 and the threshold beam 205 are used as key bearing structures, the structural thickness of the seat cross beam can be between 2 and 5mm in order to improve the rigidity of the seat mounting point and the side impact performance, and reinforcing ribs are designed or the thickness is increased at positions needing to be reinforced to realize the reinforcement.
Further, in this embodiment, a joint structure 206 is further provided at the rear end of the rocker beam 205; a joint structure 201 is also arranged on the front baffle lower cross beam 208; the joint structure 201, the joint structure 206 and the front floor assembly are integrally formed, and the joint structure 201, the threshold beam 205 and the joint structure 206 effectively connect the front longitudinal beam and the rear longitudinal beam of the automobile together to form a whole penetrating beam structure from front to back, so that the whole rigidity, the frontal collision and the rear collision of the automobile body framework are well improved.
Specifically, the front part of the integrated structure of the front floor assembly of the present invention comprises a joint structure 201 connected with the front longitudinal beam, and the joint structure 201 is formed by high-pressure die-casting with the upper floor body 204, the middle channel 202, the seat cross beam 203, the floor longitudinal beam 204, the threshold beam 205, the front baffle lower cross beam 208, the middle floor cross beam 209, etc.; the joint structure 201 combines the root of the longitudinal beam, the doorsill and the lower beam of the front baffle into a whole, the integral structure formed by die casting can freely design the structural strength according to the condition of collision stress, the structural thickness can be between 2 and 5mm, reinforcing ribs can be designed locally, and the reinforcing ribs can be distributed in a thin strip shape or a honeycomb shape. When the frontal collision happens, the generated force can be effectively transmitted to the front baffle beam and the doorsill respectively through the joint (such as a force transmission path is collided with by a picture), the integrity of the longitudinal beam in the frontal collision process is improved, the intrusion amount of the front wall is reduced, and the injury to a human body is reduced. Meanwhile, the joint structure can be effectively connected with the front longitudinal beam, can be assembled and connected through bolts, and can also be riveted through rivets.
Further, the rear portion of the integrated front floor structure in this embodiment includes a joint structure 206 connected to the rear side member, and the joint structure 206 integrates the rear portion of the rocker and the rear cross member of the front floor into a single structure, so as to improve the rigidity and strength of the connection point with the rear side member, and the connection point with the rear side member may be connected by bolts or riveted by rivets.
Further, the specific shape of the joint structure 201 is designed according to the joint shape of the rear part of the front side member of the existing vehicle type, and the specific shape of the joint structure 206 is designed according to the joint shape of the front part of the rear side member of the existing vehicle type.
Further, in the electric vehicle body, the above-mentioned front floor integrated structure can also be used as a battery pack upper shell, and when the front floor integrated structure is also used as a battery pack upper shell, mounting points of a battery pack lower shell are designed on several beam structures (including two threshold beams 205, a front baffle lower cross beam 208 and a middle bottom plate cross beam 209) on the periphery of the floor assembly integrated part, and the structure is assembled with the lower shell to form a battery pack assembly. Specifically, when the front floor integrated structure 200 is used as an upper case of a battery pack in an electric vehicle, the mounting point structure 207 of the lower case of the battery pack may be designed at the lower periphery of the front floor integrated structure 200, and the lower case of the battery pack may be combined with the front floor integrated structure 200 through the mounting point structure 207 to form a complete battery pack case. Through the structure scheme, the arrangement space inside the battery pack can be improved, if a reserved gap between the traditional electric vehicle battery pack and a front floor is eliminated, if the convex structures of the seat cross beam 203 and the middle channel 202 are used as the arrangement space inside the battery pack, the capacity of the battery cell is improved, and the endurance mileage is improved.
Further, the embodiment also provides an electric vehicle, wherein the front floor structure of the electric vehicle adopts the front floor integrated structure, and the vehicle also has all the advantages as described above because the front floor in the vehicle adopts the front floor integrated structure as described above. In some embodiments, the electric vehicle provided by the invention can be an existing new energy vehicle, and can also be a hybrid vehicle.
Furthermore, the front floor structure of the electric automobile is also used as an upper shell of a battery pack of the vehicle, a mounting point structure of a lower shell of the battery pack can be designed on the periphery of the lower part of the front floor integrated structure, and the lower shell of the battery pack can form a complete battery pack shell with the front floor integrated structure through the mounting point structure. Through this kind of structural scheme, can promote the inside space of arranging of battery package, if cancelled traditional electric automobile battery package and preceding floor between reserve clearance, if can all regard as the inside space of arranging of battery package with the evagination structure of seat crossbeam and well passageway, promote the capacity of electric core, promote the continuation of the journey mileage.
Finally, it is also noted that relational terms such as first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an electric automobile front floor structure, its characterized in that, includes high pressure die-casting integrated into one piece's floor body, well passageway, seat crossbeam, floor longeron, threshold roof beam, preceding baffle bottom end rail and well floor crossbeam, well passageway set up the intermediate position at the floor body along the length direction of automobile body, the threshold roof beam sets up the both sides at the floor body along the length direction of automobile body, preceding baffle bottom end rail sets up in the front end of floor body along the width direction of automobile body, well floor crossbeam sets up in the rear end of floor body along the width direction of automobile body, the seat crossbeam sets up in the intermediate position of floor body along the width direction of automobile body.
2. The front floor structure of an electric vehicle as claimed in claim 1, wherein a front joint structure is further provided on the lower cross member of the front fender to achieve connection with the front side member of the vehicle body.
3. The front floor structure of claim 1, wherein a rear joint structure is provided at a rear end of the floor side member to achieve connection with a vehicle body rear side member.
4. The front floor structure of claim 1, wherein the floor body and the middle channel are of unequal thickness.
5. The front floor structure of an electric vehicle according to claim 4, wherein the reinforcement is achieved by providing a step surface or increasing the thickness at a position where the reinforcement is required in the center tunnel of the floor body.
6. The front floor structure of an electric vehicle as claimed in claim 1, wherein the reinforcement is provided by reinforcing ribs or increasing the thickness of the seat cross member and the threshold beam at positions where the reinforcement is required.
7. The front floor structure of an electric vehicle as claimed in claim 1, wherein the floor body, the middle passageway, the seat cross member, the floor side member, the threshold beam, the front fender lower cross member and the middle floor cross member are made of aluminum alloy.
8. The front floor structure of an electric vehicle as claimed in claim 1, wherein the mounting points of the lower case of the battery pack are provided on the lower cross member of the front fender, the cross member of the middle floor, and the rocker beam.
9. An electric vehicle characterized by comprising the electric vehicle front floor structure according to any one of claims 1 to 8.
10. The electric vehicle as set forth in claim 9, wherein the front floor structure of the electric vehicle is connected to the lower case of the battery pack as the upper case of the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210768817.8A CN114987627B (en) | 2022-07-01 | 2022-07-01 | Electric automobile front floor structure and electric automobile comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210768817.8A CN114987627B (en) | 2022-07-01 | 2022-07-01 | Electric automobile front floor structure and electric automobile comprising same |
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| CN114987627A true CN114987627A (en) | 2022-09-02 |
| CN114987627B CN114987627B (en) | 2023-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115384632A (en) * | 2022-09-21 | 2022-11-25 | 浙江极氪智能科技有限公司 | Front floor structure, front floor assembly and vehicle |
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| CN212637658U (en) * | 2020-06-30 | 2021-03-02 | 江西江铃集团新能源汽车有限公司 | Automobile front longitudinal beam connecting assembly and automobile |
| WO2022031991A1 (en) * | 2020-08-07 | 2022-02-10 | Tesla, Inc. | Integrated energy absorbing castings |
| CN214451319U (en) * | 2021-02-25 | 2021-10-22 | 恒大新能源汽车投资控股集团有限公司 | Torsion box structure and vehicle |
| CN215706691U (en) * | 2021-08-03 | 2022-02-01 | 北京车和家信息技术有限公司 | White lower automobile body and vehicle |
| CN215883810U (en) * | 2021-08-13 | 2022-02-22 | 长城汽车股份有限公司 | Floor structure and car behind car |
| CN215622298U (en) * | 2021-09-27 | 2022-01-25 | 的卢技术有限公司 | Integral automobile front floor structure |
| CN113998009A (en) * | 2021-12-17 | 2022-02-01 | 蔚来汽车科技(安徽)有限公司 | Automobile and rear floor framework assembly thereof |
| CN114421074A (en) * | 2022-03-10 | 2022-04-29 | 南京理工大学 | Lightweight automobile battery tray and short-process manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115384632A (en) * | 2022-09-21 | 2022-11-25 | 浙江极氪智能科技有限公司 | Front floor structure, front floor assembly and vehicle |
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