CN219192360U - Front floor assembly and vehicle - Google Patents

Abstract

The utility model provides a front floor assembly and a vehicle. The front floor assembly of the present utility model includes a body panel, a rear cross member, and a rear extension panel that are sequentially connected in a front-rear direction of the vehicle, and a length dimension of the body panel is greater than a length dimension of the rear extension panel in the front-rear direction of the vehicle. The front floor assembly provided by the utility model can reduce the resonance effect among structures through the differential performance of the structure sizes, so that the vibration sensitivity of the front floor assembly and the noise in a car are weakened, and the attenuation effects of the front floor assembly on vibration, noise energy and the like are improved.

Description

Front floor assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicle body structures, in particular to a front floor assembly. In addition, the utility model also relates to a vehicle.

Background

The front floor assembly generally comprises a left front floor, a right front floor, a front floor center through structure and the like, and the structure is suitable for most SUVs, pick-up cards and cars in the market.

The front floor assembly is an important structural member of a vehicle body, provides mounting positions for a front seat, a sub-instrument panel and the like, is divided into a plurality of parts, is easily excited by energy of a power assembly, a transmission system or a road surface of a vehicle, causes floor vibration, transmits the vibration energy to the seat after the floor vibration, and is accompanied with noise, so that the comfort level of drivers and passengers is seriously affected.

Disclosure of Invention

In view of the foregoing, the present utility model is directed to a front floor assembly that facilitates improved damping of vibrations, noise energy, etc. by the front floor assembly.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a front floor assembly includes a body panel, a rear cross member, and a rear extension panel that are sequentially connected in a front-rear direction of a vehicle, and a length dimension of the body panel is greater than a length dimension of the rear extension panel in the front-rear direction of the vehicle.

Further, the front floor assembly has a width dimension in a vehicle left-right direction, a ratio of a length dimension of the body panel to the width dimension is 0.9 to 1.0, and/or a ratio of a length dimension of the rear extension panel to the width dimension is 0.15 to 0.20, and/or a ratio of a dimension of the rear cross member in a vehicle front-rear direction to the width dimension is 0.10 to 0.15.

Further, the body plate is integrally formed, and a middle passage projection protruding toward the inside of the vehicle is formed at the middle portion of the body plate, and the middle passage projection is arranged in the front-rear direction of the vehicle and penetrates through the body plate.

Further, the main body plate is provided with reinforcing ribs.

Further, the reinforcing ribs comprise first longitudinal ribs arranged in the front-rear direction of the vehicle and transverse ribs arranged in the left-right direction of the vehicle, the first longitudinal ribs are formed on the plate bodies on the left side and the right side of the middle channel bulge, and the transverse ribs are formed on the middle channel bulge.

Further, a mounting beam for mounting the front seat is arranged on one side of the main body surface, which faces the vehicle interior, two ends of the mounting beam are respectively connected with two threshold beams on two sides of the front floor assembly, an inclined reinforcing beam is arranged between the end part of the mounting beam and the threshold beam on the corresponding side, and a reinforcing structure which is supported in a triangular shape is formed between the inclined reinforcing beam and the threshold beam on the corresponding side.

Further, the mounting cross beam comprises a front mounting cross beam and a rear mounting cross beam which are arranged at intervals in the front-rear direction of the vehicle, and the inclined reinforcing beam is arranged on one side of the rear mounting cross beam, which faces the rear of the vehicle.

Further, a front floor longitudinal beam and/or a reinforcing beam which are arranged along the front-rear direction of the vehicle are arranged on one side of the main body surface, which faces the vehicle, the front floor longitudinal beam is connected between the front wall assembly and the front mounting cross beam, and the reinforcing beam is connected between the front mounting cross beam and the rear mounting cross beam.

Further, with the axis of main part board in the fore-and-aft direction of vehicle as the symmetry axis, the main part board is last the symmetry be provided with two preceding floor longeron and two the stiffening beam, and the homonymy preceding floor longeron with the stiffening beam sets up on same straight line.

Compared with the prior art, the utility model has the following advantages:

according to the front floor assembly, the size ratio between the main body plate and the rear extension plate is adjusted, so that the size difference between the main body plate and the rear extension plate is changed, the resonance effect between the main body plate and the rear extension plate can be effectively weakened, external energy is not easy to be transmitted to the seat through the main body plate and the rear extension plate, the influence of the external energy on vibration and noise generated by a driver is weakened, and the driving experience of the driver is improved.

Secondly, body board integrated into one piece compares with current preceding floor assembly, has reduced the quantity of spare part to body board integrated into one piece is favorable to the lightweight design of vehicle, is favorable to promoting assembly and welding the dress precision, reduces the welding accumulated error that a plurality of spare parts lead to.

Furthermore, be provided with on the main part board along the fore-and-aft direction of vehicle arrange first indulge the muscle to and along the horizontal muscle of left and right directions of vehicle arrangement, first indulge muscle and horizontal muscle that the main part board different positions set up, be favorable to the transmission and the dispersion of stress, avoid stress concentration, can show the rigidity that promotes the main part board.

In addition, set up the installation crossbeam on the main part board, enclose the assembly before and before set up the front floor longeron between the crossbeam, set up oblique stiffening beam between rear mounting crossbeam and threshold roof beam, all can promote the rigidity of main part board.

Another object of the utility model is to propose a vehicle provided with a front floor assembly as described above. The vehicle of the present utility model having a front floor assembly has the advantages of the front floor assembly described above over the prior art.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model, wherein the words of front and back, top and bottom, etc. are used to indicate relative position and are not intended to limit the utility model unduly. In the drawings:

FIG. 1 is a schematic view of a front floor assembly according to an embodiment of the utility model;

FIG. 2 is a schematic perspective view of a front floor assembly according to an embodiment of the utility model;

FIG. 3 is a schematic plan view of a front floor assembly according to an embodiment of the utility model;

FIG. 4 is a schematic plan view of a front floor assembly according to an embodiment of the utility model;

fig. 5 is a schematic perspective view of a main board according to an embodiment of the utility model;

FIG. 6 is a schematic plan view of a main board according to an embodiment of the utility model;

fig. 7 is a schematic structural view of the present utility model from the direction of the arrow shown in fig. 2.

Reference numerals illustrate:

1. a main body plate; 2. a rear cross member; 3. a rear extension plate; 4. reinforcing ribs; 401. a first longitudinal rib; 402. transverse ribs; 403. a reinforcing structure; 404. a second longitudinal rib; 5. front floor stringers; 6. mounting a cross beam; 61. a front mounting cross beam; 62. a beam is installed at the rear; 7. a stiffening beam; 8. a diagonal stiffening beam; 9. a threshold beam; 10. the middle channel is convex.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "inner", "back", etc., are presented, they are merely for convenience of description of the present utility model and simplify the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model, and if terms such as "first", "second", etc., are presented, they are also merely for descriptive purposes, but not as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection may be a fixed connection, a removable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, or a communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

In the present utility model, the front view of the front floor assembly is a view looking down in the vehicle cabin, the rear view of the front floor assembly is a view looking up in the vehicle bottom, and the rear view of the body panel 1 is a view looking up in the vehicle bottom.

The front, rear, left and right in the drawings refer to the front, rear, left and right directions of the whole vehicle.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The present embodiment relates to a front floor assembly for improving the damping effect of the front floor assembly on vibration, noise energy, etc., and an exemplary structure thereof is shown in fig. 1 to 7.

In general, the front floor assembly includes a body panel 1, a rear cross member 2, and a rear extension panel 3, which are sequentially connected in the front-rear direction of the vehicle, and the length dimension of the body panel 1 is greater than the length dimension of the rear extension panel 3 in the front-rear direction of the vehicle.

In this embodiment, the length dimension of the main body panel 1 is set to be larger than the length dimension of the rear extension panel 3, and at the same time, the width dimension of the rear cross member 2 (i.e., the dimension of the rear cross member 2 in the vehicle front-rear direction) between the main body panel 1 and the rear extension panel 3 is also generally set to be smaller than the length dimension of the rear extension panel 3, so that the differential design of the dimensions of the main body panel 1, the rear extension panel 3 and the rear cross member 2 is realized, so that the aspect ratios (here, the dimension in the vehicle front-rear direction is unified to be long, and the dimension in the vehicle left-right direction is wide) of the three are all different. When the main body plate 1, the rear extension plate 3 and the rear cross beam 2 are vibrated by external force, the vibration characteristics and the natural frequency of the main body plate 1, the rear extension plate 3 and the rear cross beam 2 are different due to the arrangement of different length-width ratios, so that the possibility of resonance of the main body plate 1, the rear extension plate 3 and the rear cross beam 2 can be avoided. When external energy is transferred to the main body plate 1, resonance is not easy to occur between the main body plate 1 and the rear extension plate 3 due to the size difference between the main body plate 1 and the rear extension plate 3, so that vibration of the seat transferred to the external energy and noise transferred to the car can be weakened, and driving experience of a driver is improved. And the design of the rear cross beam 2 stably connects the main body plate 1 and the rear extension plate 3 together, so that the rigidity of the main body plate 1 can be improved. External energy refers to energy transferred by the vehicle's powertrain, driveline, or road surface.

In addition, for convenience of description, the front floor assembly of the present embodiment further has a width dimension in the left-right direction of the vehicle, and in the embodiment, for example, it may be arranged such that the ratio of the length dimension to the width dimension of the body panel 1 is 0.9 to 1.0, and at the same time, such that the ratio of the length dimension to the width dimension of the rear extension panel 3 is 0.15 to 0.20, and the ratio of the length dimension to the width dimension of the rear cross member 2 is 0.10 to 0.15. Of course, in addition to the above arrangement, the present embodiment may be arranged such that only the ratio of the length dimension to the width dimension of the body plate 1 is 0.9 to 1.0, and at the same time, the ratio of the length dimension to the width dimension of the rear cross member 2 is 0.10 to 0.15, or only the ratio of the length dimension to the width dimension of the rear extension plate 3 is 0.15 to 0.20, and at the same time, the ratio of the length dimension to the width dimension of the rear cross member 2 is 0.10 to 0.15, or only the ratio of the length dimension to the width dimension of the body plate 1 is 0.9 to 1.0, and at the same time, the ratio of the length dimension to the width dimension of the rear extension plate 3 is 0.15 to 0.20, or only the ratio of the length dimension to the width dimension of the rear cross member 2 is 0.15 to 0.10.

In the present embodiment, based on the above description, the ratio of the length dimension to the width dimension of the body plate 1 may preferably be 0.93, the ratio of the length dimension to the width dimension of the rear cross member 2 may preferably be 0.13, and the ratio of the length dimension to the width dimension of the rear extension plate 3 may preferably be 0.17.

In this embodiment, main part board 1 integrated into one piece has abandoned the split type design theory of left front floor, right front floor, well logical floor in traditional motorcycle type, has reduced the spare part quantity of preceding floor assembly, is favorable to the lightweight design of whole car to integrated design is favorable to promoting assembly and welding the dress precision, reduces the welding accumulated error that a plurality of spare parts lead to.

Of these, the body plate 1 is preferably a rectangular structure having a height of about 1364mm and a width of about 1472 mm. And the middle portion of the body panel 1 is formed with a middle passage projection 10 projecting toward the vehicle interior, the middle passage projection 10 being arranged in the front-rear direction of the vehicle and penetrating the body panel 1. The size of the middle channel projection 10 is preferably a rectangular projection about 363mm wide and about 26mm deep, and the depth of the middle channel projection 10 refers to the distance between the surface of the middle channel projection 10 and the surface of the other portion of the main body plate 1.

The main body plate 1 is provided with reinforcing ribs 4. Specifically, the reinforcing rib 4 includes first longitudinal ribs 401 and lateral ribs 402, the first longitudinal ribs 401 are arranged on the front and rear sides of the body panel 1, and the first longitudinal ribs 401 extend in the front and rear direction of the vehicle, the lateral ribs 402 extend in the left and right direction of the vehicle, in order to improve the overall rigidity of the body panel 1, the first longitudinal ribs 401 are formed on the panel bodies on the left and right sides of the center tunnel protrusion 10, and the lateral ribs 402 are formed on the center tunnel protrusion 10. Utilize horizontal muscle 402 and first to indulge muscle 401 and lay on the plate body of protruding 10 of well passageway and the protruding 10 both sides of well passageway, and horizontal muscle 402 and first indulge muscle 401 be a plurality of, and horizontal muscle 402 and first indulge muscle 401 of a plurality of different positions are favorable to the transmission dispersion of stress, when external energy transfer to main part board 1 on, can avoid stress concentration, promote the rigidity of main part board 1 greatly. The front and back sides of the main body plate are respectively provided with a transverse rib 402 and a first longitudinal rib 401, the front and back sides of the rear extension plate 3 are respectively provided with a second longitudinal rib 404, the middle channel bulge 10 and the plate bodies on the left side and the right side of the middle channel bulge 10 are respectively provided with a reinforcing structure 403, the reinforcing structures 403 are positioned between the first longitudinal ribs 401 arranged on the front side and the back side of the main body plate 1, the reinforcing structures 403 are preferably crisscrossed rib bodies, and the middle part of the main body plate 1 is not connected with other structures of the vehicle body and is easy to deform, so that the reinforcing structures 403 formed by crisscrossed rib bodies are arranged in the middle part of the main body plate 1, and the integral rigidity of the main body plate 1 can be further reinforced, so that the main body plate 1 is not easy to deform.

In addition, a plurality of second longitudinal ribs 404 are further provided on the rear extension plate 3, and in the same way, the plurality of second longitudinal ribs 404 can improve the overall rigidity of the rear extension plate 3.

In this embodiment, a side of the main body plate 1 facing the vehicle interior is provided with a mounting cross beam 6 for mounting a front seat, two threshold beams 9 on both sides of the front floor assembly are respectively connected to both ends of the mounting cross beam 6, an oblique reinforcement beam 8 is provided between the end of the mounting cross beam 6 and the threshold beam 9 on the corresponding side, and a triangular support structure is formed between the oblique reinforcement beam 8, the mounting cross beam 6 and the threshold beam 9 on the corresponding side.

The triangle support structure is preferably an isosceles right triangle structure with an acute angle of 45 degrees, namely, an included angle between the installation cross beam 6 and the threshold beam 9 is a right angle, two ends of the inclined reinforcement beam 8 are respectively connected with the installation cross beam 6 and the threshold beam 9, and the distances between the two ends of the inclined reinforcement beam 8 and the included angle formed by the installation cross beam 6 and the threshold beam 9 are equal. The formation of the triangular structure greatly stabilizes the structure of the body panel 1 while improving the rigidity of the body panel 1 by means of the high strength of the threshold beam 9.

Specifically, the mounting cross member 6 includes a front mounting cross member 61 and a rear mounting cross member 62 that are disposed at intervals in the front-rear direction of the vehicle, and the diagonal reinforcement member 8 is provided on the side of the rear mounting cross member 62 that faces the rear of the vehicle. Of course, a diagonal reinforcement beam 8 may also be provided between the front mounting cross member 61 and the rocker beam 9.

Further, a front floor side member 5 and a reinforcement beam 7 arranged in the front-rear direction of the vehicle are provided on the side of the body panel 1 facing the vehicle interior, and the front floor side member 5 is connected between the front wall assembly and the front mounting cross member 61, and the reinforcement beam 7 is connected between the front mounting cross member 61 and the rear mounting cross member 62.

Further, with the center axis of the body panel 1 in the vehicle front-rear direction as the axis of symmetry, a pair of front floor stringers 5 and a pair of two reinforcement beams 7 are symmetrically provided on the body panel 1, and the front floor stringers 5 and the reinforcement beams 7 on the same side are provided on the same straight line.

At this time, it can be understood that in this embodiment, the front floor side member 5 is designed at the overlapping portion of the body panel 1 and the front wall assembly, and the front floor side member 5 is disposed in the vehicle, the front end is connected to the reinforcement beam 7 of the front wall assembly, and the rear end is connected to the front seat front mounting cross member 61, so that the connection between the body panel 1 and the front wall can be reinforced. By providing the reinforcement beam 7 between the front mounting cross member 61 and the rear mounting cross member 62, the reinforcement beam 7 can sufficiently reinforce and stabilize the front mounting cross member 61 and the rear mounting cross member 62 of the front seat. And then the front floor longitudinal beam 5 and the stiffening beam 7 are combined in the front-rear direction on the same straight line, so that the strength of the main body plate 1 can be improved.

Of course, it should be noted that, instead of providing both the front floor side member 5 and the reinforcement beam 7 described above, it is also possible to provide only the front floor side member 5 or only the reinforcement beam 7 on the body panel 1 of the present embodiment, and at the same time, the front floor side member 5 and the reinforcement beam 7 may be provided on the body panel 1 with reference to the above description.

In this embodiment, the front floor longitudinal beam 5, the front mounting cross beam 61 and the rear mounting cross beam 62 of the front seat, the stiffening beam 7 between the front mounting cross beam 61 and the rear mounting cross beam 62 of the front seat, the oblique stiffening beam 8 and the rear cross beam 2 are all made of aluminum materials, and the structural density of the aluminum materials is lower under the same materials, and the aluminum materials also have higher bending and torsional rigidity, so that the whole vehicle quality is greatly reduced, and the lightweight design of the whole vehicle is facilitated.

The front floor assembly of this embodiment makes the size differentiation between main body board 1 and back extension board 3 through the size proportion between adjustment main body board 1 and the back extension board 3, can effectively weaken the resonance effect between main body board 1 and the back extension board 3 to make external energy be difficult for transmitting to the seat through main body board 1 and back extension board 3, with weaken external energy and to vibration and the noise influence that the navigating mate produced, and can improve navigating mate's driving experience and feel.

Example two

The present embodiment relates to a vehicle having a front floor assembly as provided in embodiment one. The vehicle of the embodiment can reduce vibration of the seat in the vehicle and noise in the car by adopting the front floor assembly of the first embodiment, so that passengers in the car can obtain good riding experience when riding the vehicle.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A front floor assembly, characterized in that:

the vehicle body comprises a body plate (1), a rear cross beam (2) and a rear extension plate (3) which are sequentially connected along the front-rear direction of the vehicle, wherein the length dimension of the body plate (1) is larger than that of the rear extension plate (3) in the front-rear direction of the vehicle.

2. The front floor assembly of claim 1, wherein:

the front floor assembly has a width dimension in a left-right direction of the vehicle;

the ratio of the length dimension of the body plate (1) to the width dimension is 0.9 to 1.0, and/or the ratio of the length dimension of the rear extension plate (3) to the width dimension is 0.15 to 0.20, and/or the ratio of the dimension of the rear cross member (2) in the vehicle front-rear direction to the width dimension is 0.10 to 0.15.

3. The front floor assembly of claim 1, wherein:

the main body plate (1) is integrally formed, and a middle channel bulge (10) protruding towards the interior of the vehicle is formed in the middle of the main body plate (1); the center tunnel projection (10) is arranged in the front-rear direction of the vehicle and penetrates the body panel (1).

4. A front floor assembly according to claim 3, wherein:

the main body plate (1) is provided with a reinforcing rib (4).

5. The front floor assembly of claim 4, wherein:

the reinforcing rib (4) comprises a first longitudinal rib (401) arranged along the front-rear direction of the vehicle and a transverse rib (402) arranged along the left-right direction of the vehicle;

the first longitudinal ribs (401) are formed on the plate bodies on the left side and the right side of the middle channel bulge (10), and the transverse ribs (402) are formed on the middle channel bulge (10).

6. The front floor assembly of any one of claims 1 to 5, wherein:

a mounting cross beam (6) for mounting a front seat is arranged on one side of the main body plate (1) facing the interior of the vehicle, and two ends of the mounting cross beam (6) are respectively connected with two threshold beams (9) on two sides of the front floor assembly;

an inclined stiffening beam (8) is arranged between the end part of the mounting cross beam (6) and the threshold beam (9) on the corresponding side, and a triangular supporting stiffening structure is formed between the inclined stiffening beam (8) and the threshold beam (9) on the corresponding side.

7. The front floor assembly of claim 6, wherein:

the mounting cross beam (6) comprises a front mounting cross beam (61) and a rear mounting cross beam (62) which are arranged at intervals in the front-rear direction of the vehicle, and the inclined reinforcing beam (8) is arranged on one side of the rear mounting cross beam (62) facing the rear of the vehicle.

8. The front floor assembly of claim 7, wherein:

a side of the main body panel (1) facing the vehicle interior is provided with a front floor side member (5) and/or a reinforcing member (7) arranged in the front-rear direction of the vehicle;

the front floor longitudinal beam (5) is connected between the front wall assembly and the front mounting cross beam (61), and the reinforcing beam (7) is connected between the front mounting cross beam (61) and the rear mounting cross beam (62).

9. The front floor assembly of claim 8, wherein:

with the axis of main part board (1) in the fore-and-aft direction of vehicle as the symmetry axis, be provided with two on main part board (1) preceding floor longeron (5) and two stiffening beam (7), and homonymy preceding floor longeron (5) with stiffening beam (7) set up on same straight line.

10. A vehicle, characterized in that:

the vehicle provided with a front floor assembly as claimed in any one of claims 1 to 9.

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