Vehicle front floor and vehicle

Abstract

The utility model relates to a front floor of a vehicle, which comprises a first front sub-panel, a first longitudinal beam, a central channel plate, a second longitudinal beam and a second front sub-panel which are sequentially welded and connected from left to right, the front-row seat front mounting cross beam, the front floor middle panel, the front-row seat rear mounting cross beam and the front floor rear panel are sequentially connected in a tailor welding mode from front to back. The first front sub-panel, the first longitudinal beam, the central channel plate, the second longitudinal beam and the second front sub-panel are connected to the front side of the front-row seat front installation cross beam in a tailor-welded mode. The utility model further provides a vehicle. The vehicle front floor has the advantages of being few in parts and high in material utilization rate, the integration level of the vehicle front floor is improved, the risks of welding defects and failures of the vehicle front floor are reduced, and the light weight level of the vehicle front floor is improved under the condition that the overall rigidity, strength and collision performance of the vehicle front floor are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field, concretely relates to a vehicle front floor and vehicle. BACKGROUND

[0002] The existing vehicle front floor assembly is usually composed of 23 components such as a front floor panel, a front row seat front cross beam, a front row seat rear cross beam, a left ski plate, a right ski plate and a central passage reinforcing part, and the components such as the front row seat front cross beam, the front row seat rear cross beam, the left ski plate, the right ski plate and the central passage reinforcing part are fixedly connected to the front floor panel in a welding manner.

[0003] The vehicle front floor assembly is composed of a large number of components, and has the technical problems of a large number of components, complex mold process, high tooling development cost and long precision cultivation period.

[0004] The components of the vehicle front floor assembly are connected in a spot welding manner, and have the risks of welding defects and welding failure, which can weaken the overall strength and collision stiffness performance of the vehicle front floor assembly.

[0005] The components on the vehicle front floor assembly need to be reserved with a lapping surface, and the lapping area is large, which increases the material consumption and the weight of the vehicle front floor assembly.

[0006] Although some vehicle front floor assemblies adopt integrated design to integrate two or more components into one component, which can reduce the number of components of the vehicle front floor assembly, the integration degree and lightweight level of the vehicle front floor assembly adopting the conventional integrated design still have room for improvement. UTILITY MODEL CONTENTS

[0007] The utility model aims to provide a vehicle front floor and vehicle to alleviate or eliminate at least one of the above technical problems.

[0008] The utility model discloses a vehicle front floor, comprising: first front part subpanel, first longitudinal beam, central passage plate, second longitudinal beam and second front part subpanel are connected in turn by tailor welding from left to right, and front row seat front installation cross beam, front floor middle panel, front row seat rear installation cross beam and front floor rear panel are connected in turn by tailor welding from front to back;First front part subpanel, first longitudinal beam, central passage plate, second longitudinal beam and second front part subpanel are connected on the front side of front row seat front installation cross beam in the mode of tailor welding.

[0009] Optionally, the material thickness of the first longitudinal beam, the second longitudinal beam, the central tunnel plate, the front seat front mounting cross beam and the front seat rear mounting cross beam is greater than the material thickness of the first front sub-panel, the second front sub-panel, the front floor middle panel and the front floor rear panel.

[0010] Optionally, the material thickness of the front seat front mounting cross beam and the front seat rear mounting cross beam is greater than the material thickness of the first longitudinal beam, the second longitudinal beam and the central tunnel plate.

[0011] Optionally, the vehicle front floor is an integral hot press forming made of a tailor-welded blank, and the tailor-welded blank is composed of a plurality of plate pieces that are tailor-welded together.

[0012] Optionally, the tailor-welded blank is composed of nine plate pieces that are tailor-welded together, and the nine plate pieces form the first front sub-panel, the first longitudinal beam, the central tunnel plate, the second longitudinal beam, the second front sub-panel, the front seat front mounting cross beam, the front floor middle panel, the front seat rear mounting cross beam and the front floor rear panel, respectively.

[0013] Optionally, a first central tunnel portion is arranged on the central tunnel plate, a second central tunnel portion is arranged on the front seat front mounting cross beam, a third central tunnel portion is arranged on the front floor middle panel, a fourth central tunnel portion is arranged on the front seat rear mounting cross beam, and a fifth central tunnel portion is arranged on the front floor rear panel; the first central tunnel portion, the second central tunnel portion, the third central tunnel portion, the fourth central tunnel portion and the fifth central tunnel portion are sequentially connected from front to back to form a central tunnel.

[0014] Optionally, a first left panel portion is arranged on the left part of the central tunnel plate, and a first right panel portion is arranged on the right part of the central tunnel plate; and / or, a second left panel portion is arranged on the left part of the front floor middle panel, and a second right panel portion is arranged on the right part of the front floor middle panel; and / or, a third left panel portion is arranged on the left part of the front floor rear panel, and a third right panel portion is arranged on the right part of the front floor rear panel.

[0015] Optionally, the left edge of the first front sub-panel is provided with a first flange, the right edge of the second front sub-panel is provided with a second flange, the left edge of the front row seat front mounting cross beam is provided with a third flange, the right edge of the front row seat front mounting cross beam is provided with a fourth flange, the left edge of the front floor middle panel is provided with a fifth flange, the right edge of the front floor middle panel is provided with a sixth flange, the left edge of the front row seat rear mounting cross beam is provided with a seventh flange, the right edge of the front row seat rear mounting cross beam is provided with an eighth flange, the left edge of the front floor rear panel is provided with a ninth flange, the right edge of the front floor rear panel is provided with a tenth flange, the first flange, the third flange, the fifth flange, the seventh flange and the ninth flange are sequentially connected by tailor welding from front to back, and the second flange, the fourth flange, the sixth flange, the eighth flange and the tenth flange are sequentially connected by tailor welding from front to back.

[0016] Optionally, the first longitudinal beam is provided with a first longitudinal rib extending along the length direction of the first longitudinal beam, and the second longitudinal beam is provided with a second longitudinal rib extending along the length direction of the second longitudinal beam; and / or, the first front sub-panel is provided with a first positioning hole; and / or, the front floor rear panel is provided with a second positioning hole; and / or, the front row seat front mounting cross beam is provided with a third positioning hole; and / or, the central tunnel plate is provided with a fourth positioning hole; and / or, the central tunnel plate is provided with a liquid leakage hole; and / or, the left part and the right part of the front row seat front mounting cross beam are provided with a first seat mounting hole, and the left part and the right part of the front row seat rear mounting cross beam are provided with a second seat mounting hole; and / or, the first front sub-panel is provided with a first reinforcing rib; and / or, the second front sub-panel is provided with a second reinforcing rib; and / or, the front floor middle panel is provided with a third reinforcing rib; and / or, the front floor rear panel is provided with a fourth reinforcing rib; and / or, the central tunnel plate is provided with a fifth reinforcing rib.

[0017] The utility model also provides a vehicle, including any one of the vehicle front floor of above.

[0018] The vehicle front floor has the characteristics of few parts and high material utilization rate, improves the integration of the vehicle front floor, reduces the risk of welding defects and failure of the vehicle front floor, and improves the lightweight level of the vehicle front floor while ensuring the overall stiffness, strength and crash performance of the vehicle front floor. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is structural schematic view of vehicle front floor described in part embodiment;

[0020] Figure 2 It is top view of vehicle front floor described in part embodiment;

[0021] Figure 3 is a cross-sectional view taken along line A-A in Figure 2

[0022] Figure 4 is a cross-sectional view taken along line B-B in Figure 2

[0023] Figure 5 is a plan view of the first front sub-panel, the second front sub-panel, the front floor middle panel, and the front floor rear panel described in some embodiments;

[0024] Figure 6 is a plan view of the first longitudinal beam and the second longitudinal beam described in some embodiments;

[0025] Figure 7 is a plan view of the front row seat front mounting cross beam and the front row seat rear mounting cross beam described in some embodiments;

[0026] Figure 8 is a plan view of the center tunnel panel described in some embodiments.

[0027] In the drawings, 1 — first front sub-panel, 2 — second front sub-panel, 3 — front floor middle panel, 4 — front floor rear panel, 5 — first longitudinal beam, 6 — second longitudinal beam, 7 — front row seat front mounting cross beam, 8 — front row seat rear mounting cross beam, 9 — center tunnel panel,

[0028] 101 — first reinforcing rib, 102 — first flange, 103 — first positioning hole,

[0029] 201 — second reinforcing rib, 202 — second flange,

[0030] 301 — third reinforcing rib, 302 — fifth flange, 303 — sixth flange, 304 — third center tunnel portion, 305 — second left panel portion, 306 — second right panel portion,

[0031] 401 — fourth reinforcing rib, 402 — ninth flange, 403 — tenth flange, 404 — second positioning hole, 405 — fifth center tunnel portion, 406 — third left panel portion, 407 — third right panel portion,

[0032] 501 — first longitudinal protruding rib, 502 — first connecting edge, 503 — second connecting edge,

[0033] 601 — second longitudinal protruding rib, 602 — third connecting edge, 603 — fourth connecting edge,

[0034] ​​701 - first cross member body, 702 - first seat mounting hole, 703 - third positioning hole, 704 - third flange, 705 - fourth flange, 706 - fifth connecting edge, 707 - sixth connecting edge, 708 - protrusion, 709 - second central passage portion,

[0035] 801 - second cross member body, 802 - second seat mounting hole, 803 - seventh flange, 804 - eighth flange, 805 - seventh connecting edge, 806 - eighth connecting edge, 807 - fourth central passage portion;

[0036] 901 - first central passage portion, 902 - first left panel portion, 903 - first right panel portion, 904 - fifth reinforcing rib, 905 - fourth positioning hole, 906 - liquid leakage hole. DETAILED DESCRIPTION

[0037] Other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of the present specification. The present application can also be implemented or applied in other different specific embodiments, and various modifications or changes can be made to the details in the present specification based on different viewpoints and applications without departing from the spirit of the present application. It should be understood that the preferred embodiments are only for illustrating the present application, and are not intended to limit the protection scope of the present application.

[0038] It should be noted that the drawings provided in the following embodiments only schematically illustrate the basic concept of the present application, and only show the components related to the present application in the drawings, but are not drawn according to the number, shape and size of the components in actual implementation. The shape, number and proportion of each component in actual implementation can be arbitrarily changed, and the layout pattern of the components can also be more complex.

[0039] As shown in Figures 1 to 8 A front floor of a vehicle includes: a first front sub-panel 1, a first longitudinal beam 5, a central passage plate 9, a second longitudinal beam 6 and a second front sub-panel 2 which are sequentially connected by tailor welding from left to right, and a front row seat front mounting cross beam 7, a front floor middle panel 3, a front row seat rear mounting cross beam 8 and a front floor rear panel 4 which are sequentially connected by tailor welding from front to back; the first front sub-panel 1, the first longitudinal beam 5, the central passage plate 9, the second longitudinal beam 6 and the second front sub-panel 2 are connected to the front side of the front row seat front mounting cross beam 7 by tailor welding.

[0040] By adopting the technical scheme, the first front sub-panel 1, the first longitudinal beam 5, the central tunnel plate 9, the second longitudinal beam 6, the second front sub-panel 2, the front-row seat front mounting cross beam 7, the front floor middle panel 3, the front-row seat rear mounting cross beam 8 and the front floor rear panel 4 are adopted to form the vehicle front floor in a tailor-welded manner, and the vehicle front floor has the characteristics of less number of parts, less number of blocks and high material utilization rate.

[0041] The front-row seat front mounting cross beam 7 and the front-row seat rear mounting cross beam 8 can provide mounting points and supports for the front-row seats of the vehicle, and can improve the structural strength and rigidity of the vehicle front floor.

[0042] The first longitudinal beam 5 and the second longitudinal beam 6 are used to form a connection with the cabin side beam, and can improve the structural strength and rigidity of the vehicle front floor.

[0043] In specific implementation, the tailor-welded connection can be realized in a laser tailor-welded manner, and the tailor-welded connection can reduce the risk of welding defects and failures.

[0044] In some embodiments, the material thicknesses of the first longitudinal beam 5, the second longitudinal beam 6, the central tunnel plate 9, the front-row seat front mounting cross beam 7 and the front-row seat rear mounting cross beam 8 are greater than the material thicknesses of the first front sub-panel 1, the second front sub-panel 2, the front floor middle panel 3 and the front floor rear panel 4. By adopting the technical scheme, the material thicknesses of the first longitudinal beam 5, the second longitudinal beam 6, the central tunnel plate 9, the front-row seat front mounting cross beam 7 and the front-row seat rear mounting cross beam 8 are set to be greater, which can meet the structural and functional requirements, and thus ensure the overall rigidity, strength and crash performance of the vehicle front floor. By setting the material thicknesses of the first front sub-panel 1, the second front sub-panel 2, the front floor middle panel 3 and the front floor rear panel 4 to be smaller, the weight of the vehicle front floor can be reduced, and the lightweight level of the vehicle front floor can be improved.

[0045] Further, the material thicknesses of the front-row seat front mounting cross beam 7 and the front-row seat rear mounting cross beam 8 are greater than the material thicknesses of the first longitudinal beam 5, the second longitudinal beam 6 and the central tunnel plate 9. By adopting the technical scheme, the material thicknesses of the front-row seat front mounting cross beam 7 and the front-row seat rear mounting cross beam 8 are set to be greater, which can better provide mounting points and supports for the automobile seats. By setting the material thicknesses of the first longitudinal beam 5, the second longitudinal beam 6 and the central tunnel plate 9 to be smaller, the weight of the vehicle front floor can be reduced, and the lightweight level of the vehicle front floor can be improved, while ensuring the performance of the connection structure between the first longitudinal beam 5 and the second longitudinal beam 6 and the cabin side beam and the performance of the connection structure between the central tunnel plate 9 and the front wall panel.

[0046] By reasonably setting the material thickness of each part of the vehicle front floor, the lightweight level of the vehicle front floor can be improved while ensuring the overall stiffness, strength and crash performance of the vehicle front floor.

[0047] As a specific example, the first front sub-panel 1, the second front sub-panel 2, the front floor middle panel 3 and the front floor rear panel 4 can be made of steel plates with a material thickness of 0.65-0.8mm and a material yield strength ≥1000MPA. The first longitudinal beam 5 and the second longitudinal beam 6 can be made of steel plates with a material thickness of 1.2-1.6mm and a material yield strength ≥1000MPA. The front seat front mounting cross beam 7 and the front seat rear mounting cross beam 8 can be made of steel plates with a material thickness of 1.6-2.0mm and a material yield strength ≥1000MPA. The central tunnel plate 9 can be made of steel plates with a material thickness of 1.4-1.6mm and a material yield strength ≥1000MPA.

[0048] In some embodiments, the vehicle front floor is an integral hot press forming piece made of a tailor-welded blank, and the tailor-welded blank is composed of multiple plate pieces that are tailor-welded together. By using the above technical solution, the material utilization rate can be significantly improved by using tailor-welding technology combined with integral hot press forming technology to manufacture the vehicle front floor, and the material utilization rate can reach more than 90%. Moreover, using tailor-welding technology combined with integral hot press forming technology to manufacture the vehicle front floor is easy to realize the vehicle front floor with unequal thickness.

[0049] As a preferred example, the tailor-welded blank is composed of nine plate pieces that are tailor-welded together, and the nine plate pieces form the first front sub-panel 1, the first longitudinal beam 5, the central tunnel plate 9, the second longitudinal beam 6, the second front sub-panel 2, the front seat front mounting cross beam 7, the front floor middle panel 3, the front seat rear mounting cross beam 8 and the front floor rear panel 4, respectively. By using the above technical solution, the number of parts and the number of blocks are small.

[0050] In specific implementation, the method for manufacturing the vehicle front floor includes the following steps: first, nine plate pieces are welded into a tailor-welded blank by laser tailor-welding; and then, the tailor-welded blank is formed into the vehicle front floor by a hot stamping forming process, and the hot stamping depth of the hot stamping forming process is ≤150mm. During the hot stamping forming process, the minimum draft angle of all the surfaces of the vehicle front floor along the stamping direction is ≥5 degrees, and the minimum R angle is ≥6mm.

[0051] By reasonably setting the structure and welding mode of the front floor of the vehicle, the front floor of the vehicle is manufactured by adopting the integrated hot-press forming mode, the number of parts of the front floor of the vehicle is reduced, the number of molds and the number of processes required for manufacturing the front floor of the vehicle are reduced, the development and manufacturing costs of tooling, molds and production lines are reduced, the precision cultivation development cycle is shortened, the tooling development and precision cultivation total cycle can be shortened by 30-40 days, and the product quality of the front floor of the vehicle is significantly improved.

[0052] In some embodiments, the first central channel part 901 is arranged on the central channel plate 9, the second central channel part 709 is arranged on the front seat front mounting cross beam 7, the third central channel part 304 is arranged on the front floor middle panel 3, the fourth central channel part 807 is arranged on the front seat rear mounting cross beam 8, and the fifth central channel part 405 is arranged on the front floor rear panel 4; the first central channel part 901, the second central channel part 709, the third central channel part 304, the fourth central channel part 807 and the fifth central channel part 405 are sequentially connected from front to back to form a central channel. By using the central channel parts on each sub-block to form the central channel, the strength and rigidity of the front floor of the vehicle can be improved, and the structure is simple, which helps to reduce the number of parts and sub-blocks of the front floor of the vehicle.

[0053] In some embodiments, the left part of the central channel plate 9 is provided with a first left panel part 902, and the right part of the central channel plate 9 is provided with a first right panel part 903. By forming the first left panel part 902 and the first right panel part 903 on the central channel plate 9, the splicing and forming difficulty can be reduced, and the arrangement of the first longitudinal beam 5 and the second longitudinal beam 6 is facilitated. In specific implementation, the first left panel part 902 is located on the left side of the central channel part, and the first right panel part 903 is located on the right side of the central channel part.

[0054] Further, in order to reduce the splicing and forming difficulty, a first connecting edge 502 is arranged on the left side of the first longitudinal beam 5, the left edge of the first connecting edge 502 is spliced and welded with the right edge of the first front sub-panel 1, a second connecting edge 503 is arranged on the right side of the first longitudinal beam 5, and the right edge of the second connecting edge 503 is spliced and welded with the left edge of the first left panel part 902.

[0055] A third connecting edge 602 is arranged on the left side of the second longitudinal beam 6, and a fourth connecting edge 603 is arranged on the right side of the second longitudinal beam 6, the right edge of the fourth connecting edge 603 is spliced and welded with the left edge of the second front sub-panel 2, and the left edge of the third connecting edge 602 is spliced and welded with the right edge of the first right panel part 903.

[0056] The front side of the front-row seat front mounting cross beam 7 is provided with a fifth connecting edge 706 arranged horizontally as a whole, and the front edge of the fifth connecting edge 706 is butt-welded with the rear edge of the first front sub-panel 1, the rear edge of the first longitudinal beam 5, the rear edge of the central tunnel plate 9, the rear edge of the second longitudinal beam 6, and the rear edge of the second front sub-panel 2; the rear side of the front-row seat front mounting cross beam 7 is provided with a sixth connecting edge 707 arranged horizontally as a whole, and the rear edge of the sixth connecting edge 707 is butt-welded with the front edge of the front floor middle panel 3.

[0057] The front side of the front-row seat rear mounting cross beam 8 is provided with a seventh connecting edge 805 arranged horizontally as a whole, and the front edge of the seventh connecting edge 805 is butt-welded with the rear edge of the front floor middle panel 3; the rear side of the front-row seat rear mounting cross beam 8 is provided with an eighth connecting edge 806 arranged horizontally as a whole, and the rear edge of the eighth connecting edge 806 is butt-welded with the front edge of the front floor rear panel 4.

[0058] In some embodiments, the left part of the front floor middle panel 3 is provided with a second left panel part 305, and the right part of the front floor middle panel 3 is provided with a second right panel part 306. With the above technical solution, the front floor middle panel 3 can form a through panel, which helps to reduce the number of parts and blocks of the vehicle front floor. In specific implementation, the second left panel part 305 is located on the left side of the third central tunnel part 304, and the second right panel part 306 is located on the right side of the third central tunnel part 304.

[0059] In some embodiments, the left part of the front floor rear panel 4 is provided with a third left panel part 406, and the right part of the front floor rear panel 4 is provided with a third right panel part 407. With the above technical solution, the front floor rear panel 4 can form a through panel, which helps to reduce the number of parts and blocks of the vehicle front floor. In specific implementation, the third left panel part 406 is located on the left side of the fifth central tunnel part 405, and the third right panel part 407 is located on the right side of the fifth central tunnel part 405.

[0060] In some embodiments, the left edge of the first front sub-panel 1 is provided with a first flange 102, the right edge of the second front sub-panel 2 is provided with a second flange 202, the left edge of the front row seat front mounting cross beam 7 is provided with a third flange 704, the right edge of the front row seat front mounting cross beam 7 is provided with a fourth flange 705, the left edge of the front floor middle panel 3 is provided with a fifth flange 302, the right edge of the front floor middle panel 3 is provided with a sixth flange 303, the left edge of the front row seat rear mounting cross beam 8 is provided with a seventh flange 803, the right edge of the front row seat rear mounting cross beam 8 is provided with an eighth flange 804, the left edge of the front floor rear panel 4 is provided with a ninth flange 402, the right edge of the front floor rear panel 4 is provided with a tenth flange 403, the first flange 102, the third flange 704, the fifth flange 302, the seventh flange 803 and the ninth flange 402 are sequentially connected by tailor welding from front to back, and the second flange 202, the fourth flange 705, the sixth flange 303, the eighth flange 804 and the tenth flange 403 are sequentially connected by tailor welding from front to back. By adopting the technical scheme, the flanges are arranged to help ensure the overall rigidity, strength and crash performance of the vehicle front floor.

[0061] In some embodiments, the first longitudinal beam 5 is provided with a first longitudinal rib 501 extending along the length direction thereof, and the second longitudinal beam 6 is provided with a second longitudinal rib 601 extending along the length direction thereof. By adopting the technical scheme, the first longitudinal rib 501 can strengthen the first longitudinal beam 5, and the second longitudinal rib 601 can strengthen the second longitudinal beam 6.

[0062] Further, in order to form a more continuous reinforcing structure, a plurality of convex portions 708 corresponding to the first longitudinal rib 501 and the second longitudinal rib 601 are arranged on the fifth connecting edge 706 and connected by tailor welding.

[0063] In specific implementation, in order to ensure the strength and rigidity of the first longitudinal beam 5 and the second longitudinal beam 6, the protruding height of the first longitudinal rib 501 and the second longitudinal rib 601 is greater than or equal to 5.0 mm.

[0064] In some embodiments, the first front sub-panel 1 is provided with a first positioning hole 103. The arrangement of the first positioning hole 103 can improve the assembly accuracy of the vehicle front floor.

[0065] In some embodiments, the front floor rear panel 4 is provided with a second positioning hole 404. The arrangement of the first positioning hole 103 can improve the assembly accuracy of the vehicle front floor.

[0066] In some embodiments, the front row seat front mounting cross beam 7 is provided with a third positioning hole 703. The third positioning hole 703 is used for positioning the front row seat of the vehicle, and can improve the installation accuracy of the front row seat of the vehicle.

[0067] In some embodiments, the fourth positioning hole 905 is arranged on the central tunnel plate 9. The fourth positioning hole 905 is arranged to improve the assembly accuracy of the front floor of the vehicle.

[0068] In some embodiments, the liquid leakage hole 906 is arranged on the central tunnel plate 9. The liquid leakage hole 906 is arranged to improve the electrophoresis quality.

[0069] In some embodiments, the first seat mounting hole 702 is arranged on the left part and the right part of the front seat front mounting beam 7, and the second seat mounting hole 802 is arranged on the left part and the right part of the front seat rear mounting beam 8. The first seat mounting hole 702 and the second seat mounting hole 802 are arranged to provide mounting points for the front seats of the vehicle. Moreover, the front floor of the vehicle is manufactured by integrally hot pressing, which can better ensure the accuracy of the first seat mounting hole 702, the second seat mounting hole 802, and the third positioning hole 703.

[0070] In specific implementation, the front seat front mounting beam 7 and the front seat rear mounting beam 8 can be arranged as through beams, i.e., the front seat front mounting beam 7 and the front seat rear mounting beam 8 extend from the left edge to the right edge of the front floor of the vehicle. Further, the first beam body 701 is arranged on the front seat front mounting beam 7 and extends upward from the left end to the right end of the front seat front mounting beam 7, the second beam body 801 is arranged on the front seat rear mounting beam 8 and extends upward from the left end to the right end of the front seat rear mounting beam 8, the first seat mounting hole 702 is arranged on the top wall of the first beam body 701, and the second seat mounting hole 802 is arranged on the top wall of the second beam body 801.

[0071] In some embodiments, the first reinforcing rib 101 is arranged on the first front sub-panel 1. The first reinforcing rib 101 is arranged to reinforce the first front sub-panel 1, and the first reinforcing rib 101 can be a convex rib, and the first reinforcing rib 101 can include a transverse convex rib and / or a longitudinal convex rib. In specific implementation, in order to ensure the strength and rigidity of the first front sub-panel 1, the protrusion height of the first reinforcing rib 101 is ≥3.0 mm.

[0072] In some embodiments, the second reinforcing rib 201 is arranged on the second front sub-panel 2. The second reinforcing rib 201 is arranged to reinforce the second front sub-panel 2, and the second reinforcing rib 201 can be a convex rib, and the second reinforcing rib 201 can include a transverse convex rib and / or a longitudinal convex rib. In specific implementation, in order to ensure the strength and rigidity of the second front sub-panel 2, the protrusion height of the second reinforcing rib 201 is ≥3.0 mm.

[0073] In some embodiments, the third reinforcing rib 301 is arranged on the front floor middle panel 3. The third reinforcing rib 301 can be arranged to reinforce the front floor middle panel 3, and the third reinforcing rib 301 can be a convex rib, and the third reinforcing rib 301 can include a transverse convex rib and / or a longitudinal convex rib. In a specific implementation, in order to ensure the strength and rigidity of the front floor middle panel 3, the third reinforcing rib 301 has a convex height of greater than or equal to 3.0 mm.

[0074] In some embodiments, the fourth reinforcing rib 401 is arranged on the front floor rear panel 4. The fourth reinforcing rib 401 can be arranged to reinforce the front floor rear panel 4, and the fourth reinforcing rib 401 can be a convex rib, and the fourth reinforcing rib 401 can include a transverse convex rib and / or a longitudinal convex rib. In a specific implementation, in order to ensure the strength and rigidity of the front floor rear panel 4, the fourth reinforcing rib 401 has a convex height of greater than or equal to 3.0 mm.

[0075] In some embodiments, the fifth reinforcing rib 904 is arranged on the central tunnel panel 9. The fifth reinforcing rib 904 can be arranged to reinforce the central tunnel panel 9, and the fifth reinforcing rib 904 can be a convex rib, and the fifth reinforcing rib 904 can include a transverse convex rib and / or a longitudinal convex rib. In a specific implementation, in order to ensure the strength and rigidity of the central tunnel panel 9, the fifth reinforcing rib 904 has a convex height of greater than or equal to 3.0 mm.

[0076] The utility model also proposes a vehicle, including any one of the above-mentioned vehicle front floor.

[0077] The above embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent replacement or transformation of the utility model based on the utility model is within the protection scope of the utility model. In the description of the specification, the description of the reference terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics combined with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification.

[0078] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation based on the accompanying drawings. Figure 2 , the accompanying Figure 3 and the accompanying Figure 4The orientation represented by the coordinate system in the drawings is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

Claims

1. A vehicle front floor, characterized in that, The vehicle front floor comprises: a first front sub-panel (1), a first longitudinal beam (5), a central tunnel plate (9), a second longitudinal beam (6) and a second front sub-panel (2) which are sequentially connected by tailor-welding from left to right, and a front-row seat front mounting cross beam (7), a front floor middle panel (3), a front-row seat rear mounting cross beam (8) and a front floor rear panel (4) which are sequentially connected by tailor-welding from front to back; the first front sub-panel (1), the first longitudinal beam (5), the central tunnel plate (9), the second longitudinal beam (6) and the second front sub-panel (2) are all connected to the front side of the front-row seat front mounting cross beam (7) by tailor-welding.

2. The vehicle front floor according to claim 1, characterized by The material thickness of the first longitudinal beam (5), the second longitudinal beam (6), the central tunnel plate (9), the front-row seat front mounting cross beam (7) and the front-row seat rear mounting cross beam (8) is greater than the material thickness of the first front sub-panel (1), the second front sub-panel (2), the front floor middle panel (3) and the front floor rear panel (4).

3. The vehicle front floor according to claim 2, characterized by, The material thickness of the front-row seat front mounting cross beam (7) and the front-row seat rear mounting cross beam (8) is greater than the material thickness of the first longitudinal beam (5), the second longitudinal beam (6) and the central tunnel plate (9).

4. The vehicle front floor according to claim 1, characterized by, The vehicle front floor is an integral hot-press forming piece made of a tailor-welded sheet, and the tailor-welded sheet is composed of a plurality of sheet pieces which are tailor-welded together.

5. The vehicle front floor according to claim 4, characterized by The tailor-welded sheet is composed of nine sheet pieces which are tailor-welded together, and the nine sheet pieces form the first front sub-panel (1), the first longitudinal beam (5), the central tunnel plate (9), the second longitudinal beam (6), the second front sub-panel (2), the front-row seat front mounting cross beam (7), the front floor middle panel (3), the front-row seat rear mounting cross beam (8) and the front floor rear panel (4) respectively.

6. The vehicle front floor according to claim 1, characterized by The central tunnel plate (9) is provided with a first central tunnel portion (901), the front-row seat front mounting cross beam (7) is provided with a second central tunnel portion (709), the front floor middle panel (3) is provided with a third central tunnel portion (304), the front-row seat rear mounting cross beam (8) is provided with a fourth central tunnel portion (807), and the front floor rear panel (4) is provided with a fifth central tunnel portion (405); the first central tunnel portion (901), the second central tunnel portion (709), the third central tunnel portion (304), the fourth central tunnel portion (807) and the fifth central tunnel portion (405) are sequentially connected from front to back to form a central tunnel.

7. The vehicle front floor according to claim 1, characterized by, The left part of the central tunnel plate (9) is provided with a first left panel portion (902), and the right part of the central tunnel plate (9) is provided with a first right panel portion (903); and / or, the left part of the front floor middle panel (3) is provided with a second left panel portion (305), and the right part of the front floor middle panel (3) is provided with a second right panel portion (306). And / or, the left part of the front floor rear panel (4) is provided with a third left panel part (406), and the right part of the front floor rear panel (4) is provided with a third right panel part (407).

8. The vehicle front floor according to claim 1, characterized by The left edge of the first front sub-panel (1) is provided with a first flange (102), the right edge of the second front sub-panel (2) is provided with a second flange (202), the left edge of the front row seat front mounting cross beam (7) is provided with a third flange (704), the right edge of the front row seat front mounting cross beam (7) is provided with a fourth flange (705), the left edge of the front floor middle panel (3) is provided with a fifth flange (302), the right edge of the front floor middle panel (3) is provided with a sixth flange (303), the left edge of the front row seat rear mounting cross beam (8) is provided with a seventh flange (803), the right edge of the front row seat rear mounting cross beam (8) is provided with an eighth flange (804), the left edge of the front floor rear panel (4) is provided with a ninth flange (402), and the right edge of the front floor rear panel (4) is provided with a tenth flange (403), the first flange (102), the third flange (704), the fifth flange (302), the seventh flange (803) and the ninth flange (402) are sequentially connected by tailor welding from front to back, and the second flange (202), the fourth flange (705), the sixth flange (303), the eighth flange (804) and the tenth flange (403) are sequentially connected by tailor welding from front to back.

9. The vehicle front floor according to claim 1, wherein The first longitudinal beam (5) is provided with a first longitudinal rib (501) extending along the length direction thereof, and the second longitudinal beam (6) is provided with a second longitudinal rib (601) extending along the length direction thereof; And / or, the first front sub-panel (1) is provided with a first positioning hole (103); And / or, the front floor rear panel (4) is provided with a second positioning hole (404); And / or, the front row seat front mounting cross beam (7) is provided with a third positioning hole (703); And / or, the central tunnel plate (9) is provided with a fourth positioning hole (905); And / or, the central tunnel plate (9) is provided with a liquid leakage hole (906); And / or, the left part and the right part of the front row seat front mounting cross beam (7) are provided with a first seat mounting hole (702), and the left part and the right part of the front row seat rear mounting cross beam (8) are provided with a second seat mounting hole (802); And / or, the first front sub-panel (1) is provided with a first reinforcing rib (101); And / or, the second front sub-panel (2) is provided with a second reinforcing rib (201); And / or, the front floor middle panel (3) is provided with a third reinforcing rib (301); And / or, the front floor rear panel (4) is provided with a fourth reinforcing rib (401); And / or, the central tunnel plate (9) is provided with a fifth reinforcing rib (904).

10. A vehicle characterized by comprising: A vehicle front floor according to any one of claims 1-9. A vehicle front floor according to any one of claims 1-9.

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