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CN112172933A - Floor structure before automobile body - Google Patents

Floor structure before automobile body Download PDF

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Publication number
CN112172933A
CN112172933A CN202011103149.4A CN202011103149A CN112172933A CN 112172933 A CN112172933 A CN 112172933A CN 202011103149 A CN202011103149 A CN 202011103149A CN 112172933 A CN112172933 A CN 112172933A
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CN
China
Prior art keywords
front floor
floor
longitudinal beam
cross beam
plate
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Pending
Application number
CN202011103149.4A
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Chinese (zh)
Inventor
尹业平
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Zhejiang Weige magnesium Automobile Technology Co.,Ltd.
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Shanghai Ruimei New Energy Technology Co ltd
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Priority to CN202011103149.4A priority Critical patent/CN112172933A/en
Publication of CN112172933A publication Critical patent/CN112172933A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention discloses a front floor structure of a vehicle body, which is characterized in that: the battery pack arranging structure comprises an integral front floor, wherein the middle part of the front floor is upwards raised to form a battery pack arranging space, front floor longitudinal beams are arranged on two sides of the front floor, a front floor front cross beam and a front floor rear cross beam are arranged between the front floor longitudinal beams on the two sides, and the front floor front cross beam and the front floor rear cross beam are communicated from left to right. The vehicle body front floor structure is reasonable in structure, can meet the requirements of arrangement space and installation of the battery pack, can achieve better vehicle body safety and higher bending rigidity, and has stronger practicability and better application prospect.

Description

Floor structure before automobile body
Technical Field
The invention belongs to the technical field of electric automobiles, and particularly relates to a front floor structure of an automobile body.
Background
With the increasing deepening of climate change and energy crisis, new energy vehicle types are more and more valued by people, and especially pure electric vehicle types become the main development direction of the automobile industry; because the space of the vehicle body is limited, the arrangement of the battery pack is a very serious test for the structure and the performance of the vehicle body, and how to meet the requirements of the arrangement and the installation strength of the battery pack and achieve higher vehicle body performance under the existing low-cost process technical conditions becomes a subject which needs to be studied deeply by each vehicle body designer.
Under the current technical conditions, the existing vehicle body structure is difficult to meet the space requirement of battery pack arrangement and the performance requirements of vehicle body collision safety, bending rigidity, and the like, the vehicle body structure needs to be greatly changed, and the light weight and cost targets are difficult to achieve ideal states.
For the front floor structure of an electric vehicle, most of the existing structures are based on the front floor structure of the existing fuel vehicle, enough space is avoided for the arrangement of a battery pack through structure adjustment, the vehicle endurance mileage can be increased only by increasing the volume of the battery pack as much as possible under the condition that the unit capacity of the existing battery is limited, but the space of the vehicle body is limited, the arrangement of the battery pack seriously extrudes the arrangement space of the vehicle body longitudinal beam, so that the transmission path of the collision force is not smooth or even broken, and the structural performance of the vehicle body is seriously influenced.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a vehicle body front floor structure which is reasonable in structure, can meet the requirements of battery pack arrangement space and installation, and can achieve better vehicle body safety and higher bending rigidity.
In order to achieve the purpose, the invention adopts the technical scheme that: the floor structure before this kind of automobile body that provides characterized in that: the battery pack arranging structure comprises an integral front floor, wherein the middle part of the front floor is upwards raised to form a battery pack arranging space, front floor longitudinal beams are arranged on two sides of the front floor, a front floor front cross beam and a front floor rear cross beam are arranged between the front floor longitudinal beams on the two sides, and the front floor front cross beam and the front floor rear cross beam are communicated from left to right.
In order to make the technical scheme more detailed and concrete, the invention also provides the following further preferable technical scheme to obtain satisfactory practical effect:
the left side and the right side of the front floor front cross beam and the front floor rear cross beam are respectively connected to the left threshold inner plate, the right threshold inner plate and the front floor longitudinal beam through a front floor front cross beam connecting plate and a front floor rear cross beam connecting plate.
The middle part of the front floor front cross beam is connected with a middle channel reinforcing plate arranged on a middle channel, and the middle part of the front floor rear cross beam is connected with the front floor reinforcing plate.
The front end of the middle channel reinforcing plate is connected with the front wall beam through a middle channel extending plate, and the rear end of the middle channel reinforcing plate is connected with the front floor beam.
The front floor reinforcing plate is arranged at the rear part of the front floor and tends to be in a T-shaped structure.
The front end of the front floor longitudinal beam is connected with the front longitudinal beam rear extension beam through a front floor longitudinal beam connecting plate, and the rear end of the front floor longitudinal beam is connected with the rear longitudinal beam through a rear longitudinal beam connecting plate.
One side of the front floor longitudinal beam is lapped on a panel below the front floor in the Z direction, the other side of the front floor longitudinal beam is lapped on the inner doorsill plate, and two sides of the front floor longitudinal beam are connected to the inner doorsill plate.
The lap joint area of the front floor longitudinal beam, the front floor and the inner threshold plate penetrates through the front floor longitudinal beam, and a pipeline arrangement space is formed between the front floor longitudinal beam, the front floor and the inner threshold plate.
And the front end of the middle channel longitudinal beam of the front floor is connected with the rear extension beam of the front longitudinal beam through a front floor front reinforcing plate.
The front floor front cross beam and the front floor rear cross beam are arranged in a battery pack arrangement space protruding on the front floor, front row seat mounting points are arranged on the front floor front cross beam and the front floor rear cross beam, and battery pack mounting points are arranged on the front floor longitudinal beams.
Compared with the prior art, the electric automobile front floor structure has the following advantages: the vehicle body front floor structure is reasonable in structure, can meet the requirements of arrangement space and installation of the battery pack, can achieve better vehicle body safety and higher bending rigidity, and has stronger practicability and better application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic view of a front floor shaft according to the present invention;
FIG. 2 is a schematic view of the bottom structure of the front floor of the present invention;
FIG. 3 is an exploded view of the front floor structure of the present invention;
FIG. 4 is a schematic view of the perimeter of the front floor of the present invention;
FIG. 5 is a schematic view of the perimeter of the front floor of the present invention;
FIG. 6 is a cross-sectional view of a front floor rail of the present invention.
Labeled as: 1. the floor comprises a front floor, 2, a front floor reinforcing plate, 3, a front floor rear cross beam, 4, a front floor rear cross beam connecting plate, 5, a threshold inner plate, a left side, 6, a front floor front cross beam connecting plate, 7, a front floor front cross beam, 8, a middle channel reinforcing plate, 9, a threshold inner plate, a right side, 10, a front longitudinal beam, a rear extending beam, a right side, 11, a front longitudinal beam, a rear extending beam, a left side, 12, a front longitudinal beam rear section inner connecting plate, a left side, 13, a left longitudinal beam middle section left connecting plate, 14, a front longitudinal beam connecting plate, a left side, 15, a front longitudinal beam, a left side, 16, a rear longitudinal beam connecting plate, a right side, 18, a front longitudinal beam, a right side, 19, a front longitudinal beam connecting plate, a right side, 20, a right longitudinal beam middle section right connecting plate, 21, a front floor front reinforcing plate, a right side, 22, a front floor front reinforcing plate, 23. the front floor comprises a front floor middle channel longitudinal beam, a front longitudinal beam rear section inner connecting plate, a right side and a 25 middle channel extending plate, a 26 front wall plate, a 27 front wall cross beam, a 28 rear longitudinal beam, a left side and a 29 rear longitudinal beam, and a right side.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The vehicle body front floor structure comprises an integral front floor 1, wherein a battery pack arrangement space is formed by an upward raised bulge in the middle of the front floor 1, front floor longitudinal beams are arranged on two sides of the front floor 1, the front floor longitudinal beams on the two sides comprise a front floor longitudinal beam left 15 and a front floor longitudinal beam right 18, a front floor front cross beam 7 and a front floor rear cross beam 3 are arranged between the front floor longitudinal beams on the two sides, and the front floor front cross beam 7 and the front floor rear cross beam 7 are communicated left and right. The middle part of the front floor is provided with an upward convex platform which provides an installation space for the lower battery pack, and the left and right through beam structures meet the structural strength requirement and are convenient to install and arrange.
In the present invention, the left and right sides of the front floor front cross member 7 and the front floor rear cross member 3 are connected to left and right rocker inner plates (rocker inner plate-left 5 and rocker inner plate-right 9) and front floor stringers (front floor stringer-left 15 and front floor stringer-right 18) through a front floor front cross member connecting plate 6 and a front floor rear cross member connecting plate 4, respectively. The main path of the transmission of the side impact force is provided, and the requirements of the installation strength and the rigidity of the seat are met.
In the invention, the middle part of the front floor front beam 7 is connected with a middle channel reinforcing plate 8 arranged on a middle channel, and the middle part of the front floor rear beam 3 is connected with the front floor reinforcing plate 2. As shown in fig. 4 and 5, the center tunnel reinforcement panel 8 is connected at its front end to the cowl cross member 27 via the center tunnel extension panel 25, and at its rear end to the front floor cross member 7, to form a main collision force transmission path in the middle, and the cowl cross member 27 is provided with cowl panels 26 at both sides.
In the invention, the front floor reinforcing plate 2 is arranged at the rear part of the front floor 1 and tends to be in a T-shaped structure, as shown in figures 4 and 5, the front part is connected with the front floor rear cross beam 3 to reinforce the local structural rigidity of the front floor and the front floor rear cross beam, so as to meet the requirements of the installation strength and the rigidity of a front row seat and provide the installation point of a parking brake cable.
In the present invention, as shown in fig. 4 and 5, the front end of the front floor frame (front floor frame-left 15 and front floor frame-right 18) is connected to the front frame rear extension frame (front frame rear extension frame-left 11 and front frame rear extension frame-right 10) via the front floor frame connection plate (front floor frame connection plate-left 14 and front floor frame connection plate-right 19), and the rear end is connected to the rear frame (rear frame-left 28 and rear frame-right 29) via the rear frame connection plate (rear frame connection plate-left 16 and rear frame connection plate-right 17). The function of connecting the front longitudinal beam and the rear longitudinal beam to transfer collision force is achieved, and battery pack mounting points are provided on the longitudinal beams, so that the battery packs can be conveniently arranged and mounted.
In the present invention, as shown in fig. 6, one side of the front floor side member in the Z direction is overlapped with the lower panel of the front floor 1, the other side is overlapped with the rocker inner panel, and both sides of the front floor 1 are connected to the rocker inner panel. The lap joint areas of the front floor longitudinal beam, the front floor 1 and the threshold inner plate are communicated with the front floor longitudinal beam, and a pipeline arrangement space is formed among the front floor longitudinal beam, the front floor and the threshold inner plate.
In the invention, front floor middle channel longitudinal beams 23 are arranged at two sides of a middle channel, the front ends of the front floor middle channel longitudinal beams 23 are connected with front longitudinal beam rear extension beams (a front longitudinal beam rear extension beam-left 11 and a front longitudinal beam rear extension beam-right 10) through front longitudinal beam rear section inner connecting plates (a front longitudinal beam rear section inner connecting plate-left 12 and a front longitudinal beam rear section inner connecting plate-right 24), the rear ends of the front floor middle channel longitudinal beams 23 are connected with front longitudinal beam rear extension beams (a front longitudinal beam rear extension beam-left 11 and a front longitudinal beam rear extension beam-right 10) through front floor front reinforcing plates (a front floor front reinforcing plate-left 22 and a front floor front reinforcing plate-right 21), the structure forms a triangular beam frame area to reinforce the local structural strength of the front floor and the structural strength and rigidity of a longitudinal beam bending area, provide effective rigid support for the longitudinal beams, improve the front collision performance, and the collision safety is improved.
In the invention, a left connecting plate 13 at the middle section of the left longitudinal beam is connected between the left longitudinal beam and a rear extension beam-left 11 of the front longitudinal beam; the right longitudinal beam middle section right connecting plate 20 is connected between the right longitudinal beam and the front longitudinal beam rear extension beam-right 10 to further enhance the structural strength and rigidity of the front end and the side edge and improve the collision performance.
In the invention, the front floor front cross beam 7 and the front floor rear cross beam 3 are arranged on the convex battery pack arrangement space on the front floor, and the front floor front cross beam 7 and the front floor rear cross beam 3 are provided with front row seat installation points. And a battery pack mounting point is arranged on the front floor longitudinal beam.
The invention aims to provide a novel vehicle body front floor structure which can meet the requirements of battery pack arrangement space and installation, can achieve better vehicle body safety and higher bending and twisting rigidity, and has mature and simple assembly and welding processes and low cost.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the novel vehicle body front floor structure comprises a front floor, a front floor reinforcing plate, a front floor longitudinal beam-left/right, a front floor middle channel longitudinal beam, a front longitudinal beam rear section inner connecting plate-left, a front longitudinal beam rear section inner connecting plate-right, a front floor front cross beam, a front floor rear cross beam, a front floor front cross beam connecting plate, a front floor rear cross beam connecting plate, a middle channel reinforcing plate, a front longitudinal beam rear extension beam-left, a front longitudinal beam rear extension beam-right, a left longitudinal beam middle section left connecting plate, a right longitudinal beam middle section right connecting plate, a front floor front reinforcing plate-left, a front floor front reinforcing plate-right, a rear longitudinal beam connecting plate-left and a rear longitudinal beam connecting plate-right.
The middle part of the front floor is provided with an upward raised platform which provides an installation space for a lower battery pack;
the front floor front cross beam 7 is a cross beam penetrating through the left and right sides of the front floor, the left and right sides are respectively connected with the left and right inner doorsill plates 5 and 9 and the front floor longitudinal beams 15 and 18 through the front floor front cross beam connecting plate 6, a main path for side impact force transmission is provided, and meanwhile, a front row seat mounting point is provided, so that the requirements on seat mounting strength and rigidity are met;
the front floor rear cross beam 3 is a cross beam penetrating through the left and right sides of the front floor, the left and right sides are respectively connected with the left and right inner doorsill plates 5 and 9 and the front floor longitudinal beams 15 and 18 through the front floor rear cross beam connecting plate 4, a main path for side impact force transmission is provided, a front row seat mounting point is provided, and the requirements on seat mounting strength and rigidity are met;
the front parts of the front floor longitudinal beams-left/right 15 and 18 are connected with the front longitudinal beam rear extension beams-left/right 11 and 10 (through the front floor longitudinal beam connecting plates-left/right 14 and 19), and the rear parts are respectively connected with the left and right rear longitudinal beams 28 and 29 through the rear longitudinal beam connecting plates-left/right 16 and 17, so that the function of connecting the front and rear longitudinal beams to transfer collision force is achieved, and a battery pack mounting point is provided;
the inner sides of the front floor longitudinal beams, namely left/right 15 and 18, are in Z-direction lap joint with the panel of the front floor 1, the outer sides are in Z-direction lap joint with the sill inner plates 5 and 9, and the lap joint areas penetrate through the front floor longitudinal beams;
the middle channel reinforcing plate 8 is a high-strength steel plate cold stamping formed part, the front part of the middle channel reinforcing plate is connected with the front wall cross beam 27 through the middle channel extending plate 25, and the rear part of the middle channel reinforcing plate is connected with the front floor cross beam 7 to form a main collision force transmission path in the middle;
the channel longitudinal beam 23 in the front floor is connected with the front longitudinal beam rear extension beam-left/right 11 and 10 through a front floor front reinforcing plate-left/right 21 and 22 and a front longitudinal beam rear section inner connecting plate-left/right 12 and 24 to form a triangular beam frame area so as to reinforce the local structural strength of the front floor and the structural strength and rigidity of a longitudinal beam bending area, provide effective rigid support longitudinal beams, improve the frontal collision performance and improve the collision safety;
the arrangement of the front floor reinforcing plate 2 tends to that of a T-shaped structure at the rear part of the front floor, and the front part of the front floor reinforcing plate is connected with the front floor rear cross beam 3 so as to reinforce the local structural rigidity of the front floor and the front floor rear cross beam, meet the requirements of the installation strength and rigidity of front row seats and provide a parking brake cable installation point.
As a preferable example, the middle part of the front floor is raised to meet the arrangement space of the battery pack, a DC04 plate is selected as the material, the thickness of the material is 0.6mm, so that the forming, weight reduction and cost reduction are facilitated, and longitudinal ribs are fully distributed to improve the rigidity and the local mode of the front floor;
the middle channel reinforcing plate 8 is made of a high-strength steel plate with the material thickness of 1.2mm, the front part of the middle channel reinforcing plate is connected with the front wall cross beam 27 through the middle channel extending plate 25, the rear part of the middle channel reinforcing plate is connected with the front floor cross beam 7, the problem that the front part of the middle channel is too large in collapse during collision is effectively solved, the intrusion amount of the front wall is reduced, and the collision safety is improved;
the front floor longitudinal beams (15, 18) are arranged on the outer edge of the lower part of the front floor in a way of avoiding the battery pack, the front parts of the front floor longitudinal beams are connected with the front longitudinal beam extension beam, the rear parts of the front floor longitudinal beams are connected with the rear longitudinal beam connecting plate, so that the front longitudinal beam and the rear longitudinal beam are communicated, and a battery pack mounting structure is provided; the inner side of the front floor longitudinal beam is in Z-direction lap joint with the front floor panel, the outer side of the front floor longitudinal beam is in Z-direction lap joint with the inner plate of the threshold, and the lap joint area penetrates through the front floor longitudinal beam so as to meet the arrangement requirements of the battery pack and related pipelines;
the left side and the right side of the front floor front beam 3 are respectively connected with a left threshold inner plate, a right threshold inner plate and a front floor longitudinal beam through a front floor front beam connecting plate, and the middle part of the front floor front beam is connected with a middle channel reinforcing plate 8; the left side and the right side of the front floor rear cross beam 7 are respectively connected with the left threshold inner plate, the right threshold inner plate and the front floor longitudinal beam through a front floor rear cross beam connecting plate, and the middle part of the front floor rear cross beam is connected with the front floor reinforcing plate 2; the front floor front cross beam 7, the front floor rear cross beam 3, the front floor left and right longitudinal beams and the threshold inner plate form a frame structure which is crossed and communicated front and back, left and right, so that effective protection is provided for a battery pack, and the bending and torsional rigidity of a vehicle body is improved;
the channel longitudinal beam 23 in the front floor is connected with the left/right of the front longitudinal beam rear extension beam through a front floor front reinforcing plate-left/right and front longitudinal beam rear section inner connecting plate-left/right to form a triangular beam frame area so as to reinforce the local structural strength of the front floor and the structural strength and rigidity of a longitudinal beam bending area and improve the collision safety;
according to the vehicle body front floor structure, the outer side of the front floor longitudinal beam is in Z-direction lap joint with the inner plate of the threshold, compared with the traditional structure that the front floor longitudinal beam is in Z-direction lap joint with the front floor plate, the lap joint mode saves more arrangement space, the size of a battery pack can be increased, and the cruising mileage can be increased; the channel longitudinal beam, the floor front reinforcing plate, the left/right and the front longitudinal beam rear section inner connecting plate, the left/right and the front longitudinal beam rear extension beam, the left/right form a triangular beam frame structure in the front floor, so that the structural rigidity is effectively improved, and the collision performance is improved; the front floor body adopts an integral structure, and the material thickness is reduced to 0.6mm, so that the weight and the cost can be effectively reduced; the middle channel reinforcing plate is connected with the front wall cross beam and the front floor front cross beam to form a third transmission path except the left and right longitudinal beams, so that the collision force is effectively dispersed, and the collision performance is improved; the front floor front and rear cross beams are of an integral structure penetrating through the left and right, are directly connected with the left and right doorsill inner plates, and form a frame structure with the front floor longitudinal beam, the left side and the right side, so that the battery pack is effectively protected from being damaged by side collision, and the safety is improved.
The invention relates to a vehicle body front floor structure which comprises a rear front floor, a front floor reinforcing plate, a front floor longitudinal beam-left/right, a front floor middle channel longitudinal beam, a front longitudinal beam rear section inner connecting plate-left, a front longitudinal beam rear section inner connecting plate-right, a front floor front cross beam, a front floor rear cross beam, a front floor front cross beam connecting plate, a front floor rear cross beam connecting plate, a middle channel reinforcing plate, a front longitudinal beam rear extending beam-left, a front longitudinal beam rear extending beam-right, a left longitudinal beam middle section left connecting plate, a right longitudinal beam middle section right connecting plate, a front floor front reinforcing plate-left, a front floor front reinforcing plate-right, a rear longitudinal beam connecting plate-left, a rear longitudinal beam connecting plate-right and the like. The front floor is of an integral structure, and the middle part of the front floor is raised to meet the requirement of the arrangement space of the battery pack; the outer side of the front floor longitudinal beam is in Z-direction lap joint with the inner plate of the threshold, so that the arrangement space of the battery pack is effectively enlarged; the channel longitudinal beam, the floor front reinforcing plate, the left/right and the front longitudinal beam rear section inner connecting plate, the left/right and the front longitudinal beam rear extension beam, the left/right form a triangular beam frame structure in the front floor, so that the structural rigidity is effectively improved, and the collision performance is improved; the front floor front and rear cross beams are of an integral structure penetrating through the left and right, are directly connected with the left and right doorsill inner plates, and form a frame structure with the front floor longitudinal beam, the left side and the right side, so that the battery pack is effectively protected from being damaged by side collision, and the safety is improved.
The vehicle body front floor structure is reasonable in structure, can meet the requirements of arrangement space and installation of the battery pack, can achieve better vehicle body safety and higher bending rigidity, and has stronger practicability and better application prospect.
The invention has been described above with reference to the accompanying drawings, but the invention is not limited to the above-described embodiments, and it is within the scope of the invention to use various insubstantial modifications of the inventive concept and solutions or to apply them directly to other applications.

Claims (10)

1. A floor structure before automobile body which characterized in that: the battery pack arranging structure comprises an integral front floor, wherein the middle part of the front floor is upwards raised to form a battery pack arranging space, front floor longitudinal beams are arranged on two sides of the front floor, a front floor front cross beam and a front floor rear cross beam are arranged between the front floor longitudinal beams on the two sides, and the front floor front cross beam and the front floor rear cross beam are communicated from left to right.
2. The front floor structure of a vehicle body according to claim 1, wherein: the left side and the right side of the front floor front cross beam and the front floor rear cross beam are respectively connected to the left threshold inner plate, the right threshold inner plate and the front floor longitudinal beam through a front floor front cross beam connecting plate and a front floor rear cross beam connecting plate.
3. The front floor structure of a vehicle body according to claim 2, wherein: the middle part of the front floor front cross beam is connected with a middle channel reinforcing plate arranged on a middle channel, and the middle part of the front floor rear cross beam is connected with the front floor reinforcing plate.
4. A front floor structure for a vehicle body according to claim 3, wherein: the front end of the middle channel reinforcing plate is connected with the front wall beam through a middle channel extending plate, and the rear end of the middle channel reinforcing plate is connected with the front floor beam.
5. A front floor structure for a vehicle body according to claim 3, wherein: the front floor reinforcing plate is arranged at the rear part of the front floor and tends to be in a T-shaped structure.
6. The front floor structure of a vehicle body according to any one of claims 1 to 5, wherein: the front end of the front floor longitudinal beam is connected with the front longitudinal beam rear extension beam through a front floor longitudinal beam connecting plate, and the rear end of the front floor longitudinal beam is connected with the rear longitudinal beam through a rear longitudinal beam connecting plate.
7. The front floor structure of a vehicle body according to claim 6, wherein: one side of the front floor longitudinal beam is lapped on a panel below the front floor in the Z direction, the other side of the front floor longitudinal beam is lapped on the inner doorsill plate, and two sides of the front floor longitudinal beam are connected to the inner doorsill plate.
8. The front floor structure of a vehicle body according to claim 7, wherein: the lap joint area of the front floor longitudinal beam, the front floor and the inner threshold plate penetrates through the front floor longitudinal beam, and a pipeline arrangement space is formed between the front floor longitudinal beam, the front floor and the inner threshold plate.
9. The front floor structure of a vehicle body according to claim 6, wherein: and the front end of the middle channel longitudinal beam of the front floor is connected with the rear extension beam of the front longitudinal beam through a front floor front reinforcing plate.
10. The front floor structure of a vehicle body according to claim 1, wherein: the front floor front cross beam and the front floor rear cross beam are arranged in a battery pack arrangement space protruding on the front floor, front row seat mounting points are arranged on the front floor front cross beam and the front floor rear cross beam, and battery pack mounting points are arranged on the front floor longitudinal beams.
CN202011103149.4A 2020-10-15 2020-10-15 Floor structure before automobile body Pending CN112172933A (en)

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Application Number Priority Date Filing Date Title
CN202011103149.4A CN112172933A (en) 2020-10-15 2020-10-15 Floor structure before automobile body

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Application Number Priority Date Filing Date Title
CN202011103149.4A CN112172933A (en) 2020-10-15 2020-10-15 Floor structure before automobile body

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CN112937697A (en) * 2021-03-18 2021-06-11 东风柳州汽车有限公司 Longeron additional strengthening and car
CN114408026A (en) * 2022-03-01 2022-04-29 奇瑞商用车(安徽)有限公司 A universal automobile front floor assembly
CN115009380A (en) * 2022-07-19 2022-09-06 奇瑞汽车股份有限公司 Floor structure and vehicle before automobile body
CN115257961A (en) * 2022-06-30 2022-11-01 岚图汽车科技有限公司 An electric commercial vehicle front floor structure and electric commercial vehicle
CN115384630A (en) * 2022-05-09 2022-11-25 北京汽车集团越野车有限公司 Floor beam frame structure, mounting method thereof and vehicle with floor beam frame structure
CN115384631A (en) * 2022-08-30 2022-11-25 岚图汽车科技有限公司 Battery pack mounting assembly, automobile and method
CN115636024A (en) * 2022-11-14 2023-01-24 中国第一汽车股份有限公司 Electric automobile floor middle passage assembly, front floor assembly and automobile

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Publication number Priority date Publication date Assignee Title
CN112937697A (en) * 2021-03-18 2021-06-11 东风柳州汽车有限公司 Longeron additional strengthening and car
CN112937697B (en) * 2021-03-18 2022-08-26 东风柳州汽车有限公司 Longeron additional strengthening and car
CN114408026A (en) * 2022-03-01 2022-04-29 奇瑞商用车(安徽)有限公司 A universal automobile front floor assembly
CN115384630A (en) * 2022-05-09 2022-11-25 北京汽车集团越野车有限公司 Floor beam frame structure, mounting method thereof and vehicle with floor beam frame structure
CN115257961A (en) * 2022-06-30 2022-11-01 岚图汽车科技有限公司 An electric commercial vehicle front floor structure and electric commercial vehicle
CN115009380A (en) * 2022-07-19 2022-09-06 奇瑞汽车股份有限公司 Floor structure and vehicle before automobile body
CN115009380B (en) * 2022-07-19 2024-03-01 奇瑞汽车股份有限公司 Front floor structure of vehicle body and vehicle
CN115384631A (en) * 2022-08-30 2022-11-25 岚图汽车科技有限公司 Battery pack mounting assembly, automobile and method
CN115636024A (en) * 2022-11-14 2023-01-24 中国第一汽车股份有限公司 Electric automobile floor middle passage assembly, front floor assembly and automobile

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