CN212074227U

CN212074227U - Seat installation crossbeam structure

Info

Publication number: CN212074227U
Application number: CN202020521539.2U
Authority: CN
Inventors: 侯锡松; 刘德芹; 黄阔; 刘海霞; 熊林; 熊建华
Original assignee: Chongqing Branch of DFSK Motor Co Ltd
Current assignee: Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-12-04
Anticipated expiration: 2030-04-10

Abstract

The utility model provides a seat installation crossbeam structure, which comprises a main body, a first end part and a second end part, wherein the main body is arranged on the floor in the vehicle, the bottom surface of the first end part extends upwards along a first direction, the bottom surface of the second end part extends downwards along the first direction, and the main body is arranged on the floor in the vehicle; the thickness of the first end part is gradually reduced along the first direction, and the thickness of the second end part is gradually increased along the first direction; the crossbeam structure occupation space is little, and seat mounting point bearing effect is excellent, and has reserved sufficient arrangement space for back sub vehicle frame, links to each other it with rear wheel casing inner panel through two tip of crossbeam with the connecting piece simultaneously, guarantees that the crossbeam automobile body link up, improves the transmission of transverse force, effectively improves the torsional rigidity of whole car.

Description

Seat installation crossbeam structure

Technical Field

The utility model relates to a seat installation crossbeam of car, especially the installation crossbeam structure of back seat belongs to the auto-parts field.

Background

The body structure of the electric vehicle is similar to that of the traditional fuel vehicle, all man-machine arrangements in the vehicle are consistent with those of the traditional fuel vehicle, and the main difference is that the power part is replaced by an engine; for a hybrid electric vehicle, an electric drive system is arranged at a rear auxiliary frame, and if three rows of seats are arranged simultaneously on a vehicle type, the position space in the vehicle is narrow; the existing structure of the automobile body of the traditional basic automobile type can not meet the arrangement requirements of a driving motor, a speed reducer and the like, the arrangement of a seat beam needs to be changed to meet the design requirement of a power automobile, and meanwhile, the increase of the weight of the automobile body caused by the design of the beam needs to be considered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a seat installation crossbeam structure, for back sub vehicle frame department driving system provides sufficient arrangement space, guarantee the installation intensity of seat and provide good bearing effect.

In order to achieve the above object, the present disclosure provides a seat mounting cross member structure for being disposed on a floor in a vehicle, including a main body, a first end portion and a second end portion, a bottom surface of the first end portion extending upward in a first direction, a bottom surface of the second end portion extending downward in the first direction, the main body being mounted on the floor in the vehicle.

Optionally, the thickness of the first end portion is gradually reduced along the first direction, and the thickness of the second end portion is gradually increased along the first direction.

Optionally, the thickness of the first end portion is a span of the first end portion along a second direction, wherein the first direction and the second direction are perpendicular to each other.

Optionally, the top surface of the main body, the top surface of the first end portion, and the top surface of the second end portion constitute a first top surface, the first top surface is a plane or an arc surface, and the first top surface is in a shape protruding upward from the first end portion and the second end portion toward the main body.

Optionally, the cross section of the first top surface is an inverted U-shape.

Optionally, the bottom surface of first end divide into bottom surface, bottom surface and first end back bottom surface in the first end before the first end that distributes in proper order along the first direction, the extension line of bottom surface in the first end with the contained angle on floor in the car is less than the extension line of bottom surface before the first end with the contained angle on floor in the car, the extension line of bottom surface in the first end with the contained angle on floor in the car is less than the bottom surface with the contained angle on floor in the car.

Optionally, the bottom surface of second tip divide into bottom surface, bottom surface in the second tip and the bottom surface behind the second tip before the second tip that distributes in proper order along first direction, the extension line of bottom surface in the second tip with the contained angle on floor in the car is less than the extension line of bottom surface before the second tip with the contained angle on floor in the car, the extension line of bottom surface in the second tip with the contained angle on floor in the car is less than bottom surface behind the second tip with the contained angle on floor in the car.

Optionally, a bottom surface of the first end portion extends upward to the main body along a first direction.

Optionally, the main body extends along a first direction, two ends of the main body extend upwards along a second direction, and the cross section of the main body is U-shaped.

Optionally, a reinforcing part obliquely crossing the main body is provided on a side surface of the main body, and the reinforcing part is provided under a floor in the vehicle and fixed to the main body.

According to the seat mounting crossbeam structure, the main body of the crossbeam, the first end and the second end form an arch bridge structure, so that a vertical load applied to a vehicle seat is converted into a part of horizontal thrust, the requirements on selected materials and strength of the mounting crossbeam are relieved, the occupied space is small, and the bearing capacity of a seat mounting point is improved; a first top surface formed by the top surface of the main body, the top surface of the first end part and the top surface of the second end part is arc-shaped, so that sufficient arrangement space is reserved for the rear auxiliary frame; the first end part further fixes the main body to the rear wheel cover inner plate through the connecting piece, and the connecting piece is arranged along the top surface of the rear wheel cover inner plate, so that the beam body is ensured to be communicated, the transmission of transverse force is improved, and the torsional rigidity of the whole vehicle is effectively improved.

Drawings

FIG. 1 is a cross-sectional view of a transom body of a preferred embodiment of the present disclosure taken along the transom body direction;

FIG. 2 is a schematic view of a beam body of a preferred embodiment of the present disclosure;

FIG. 3 is a top view of the beam body of the preferred embodiment of the present disclosure.

Wherein, 1, a main body; 2. a first end portion; 21. a first end front bottom surface; 22. a first end inner bottom surface; 23. a first end rear bottom surface; 3. a second end portion; 31. a second end front bottom surface; 32. a second end inner bottom surface; 33. a second end rear bottom surface; 4. a floor in the vehicle; 5. a reinforcing portion; 6. a seat mounting bracket; 7. two ends of the main body; 8. a rear wheel house inner panel; 9. a connecting member; 10. reinforcing ribs; l1, first direction; l2, second direction.

Detailed Description

Specific embodiments of the present disclosure are described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the present disclosure, but are not intended to limit the scope of the present disclosure.

In the embodiment of the present invention, the "first direction" direction is the same as the left-right direction of the vehicle, and the "second direction" direction is the same as the up-down direction of the vehicle.

The rear wheel casing structure which can play a protective role is usually arranged outside a rear tire of an automobile, and a cavity structure which can envelop the tire is generally formed by welding a rear wheel casing inner plate and a rear wheel casing outer plate. The rear wheel cover inner plate belongs to a part of a rear wheel cover, has an arc surface matched with the shape of an automobile tire, and is mainly used for accommodating the upper part of the automobile tire.

Fig. 1 is a cross-sectional view showing a seat mounting beam structure according to one embodiment of the present disclosure, the seat mounting beam structure being configured to be disposed on a vehicle interior floor 4 and including a main body 1, a first end portion 2 and a second end portion 3, a bottom surface of the first end portion 2 extending upward in a first direction L1, a bottom surface of the second end portion 3 extending downward in the first direction, the main body 1 being mounted on the vehicle interior floor 4, and optionally, the main body 1 having a strip-shaped configuration being horizontally disposed on the vehicle interior floor and a bottom surface of the main body 1 being parallel to the vehicle interior floor. The thickness of the first end portion 2 becomes gradually smaller along the first direction L1, and the thickness of the second end portion 3 becomes gradually larger along the first direction L1. The thickness of the first end portion 2 is the span of the first end portion 2 along the second direction L2, and the first direction L1 and the second direction L2 are perpendicular to each other. The top surface of the main body 1, the top surface of the first end part 2 and the top surface of the second end part 3 form a first top surface, the first top surface is a plane or an arc surface, wherein the first top surface is in a shape protruding upwards from the first end part 2 and the second end part 3 towards the main body 1, in one embodiment, the first top surface is in an inverted U shape, namely, the main body 1, the first end part 2 and the second end part 3 form an arch bridge-like structure, when the seat mounting beam structure is mounted on a vehicle, the arch bridge structure is beneficial to converting vertical load applied to a vehicle seat into a part of horizontal thrust, and the requirements on selected materials and strength of the mounting beam are relieved; the installation crossbeam has large spanning capability in the first direction L1, and is more convenient to install a plurality of seats, for example 3 seats, and the two ends 7 of the main body 1 extend upwards along the second direction L2 to enable the main body to form a U-shaped structure, and the shape of the main body is also beneficial to the installation of the seats, and the two ends of the main body extend upwards along the second direction L2 to just wrap the seats at the position of the main body 1, so that the structure is compact, the fixation of the seats is also beneficial, and the force applied to the main body is divided into the left side and the right side by adopting the U-shaped structure better, and the seats are more firmly installed on the. The arcuate (or inverted U-shaped) configuration of the second end portion 3 extending downwardly in the first direction L1 to form a bridge opening not only reduces the material of the cross member and the overall weight of the vehicle, but also saves space for mounting the powertrain or other components of the vehicle.

The bottom surface of the first end part 2 extends upwards to the main body 1 along the first direction L1, the second end part 3 extends downwards from the main body 1 to the seat mounting bracket 6 along the first direction L1, and one side of the first end part 2 and one side of the second end part 3 abut against the side surface of the seat mounting bracket 6 and extend downwards along the second direction L2, so that the vertical bearing force borne by the main body 1 is converted into a part of horizontal pushing force.

The bottom surface of the first end portion 2 is divided into a first end portion front bottom surface 21, a first end portion middle bottom surface 22 and a first end portion rear bottom surface 23 which are sequentially distributed along a first direction L1, an included angle between an extension line of the first end portion middle bottom surface 22 and the vehicle interior floor 4 is smaller than an included angle between an extension line of the first end portion front bottom surface 21 and the vehicle interior floor 4, and an included angle between the extension line of the first end portion middle bottom surface 22 and the vehicle interior floor 4 is smaller than an included angle between the first end portion rear bottom surface 23 and the vehicle interior floor 4. Alternatively, the extension line of the bottom surface 22 in the first end portion makes an angle of less than 5 degrees with the floor 4 in the vehicle interior. In the above-mentioned solution, by providing the first end portion middle bottom surface 22 with a low upward extending angle, the first end portion 2 can divide the force to the left, and the first end portion 2 can still extend in the first direction L1 for a longer distance in a relatively narrow space, so as to better share the force received by the main body 1.

The bottom surface of the second end portion 3 is divided into a second end portion front bottom surface 31, a second end portion middle bottom surface 32 and a second end portion rear bottom surface 33 which are sequentially distributed along the first direction L1, an included angle between an extension line of the second end portion middle bottom surface 32 and the vehicle interior floor 4 is smaller than an included angle between an extension line of the second end portion front bottom surface 31 and the vehicle interior floor 4, and an included angle between an extension line of the second end portion middle bottom surface 32 and the vehicle interior floor 4 is smaller than an included angle between the second end portion rear bottom surface 33 and the vehicle interior floor 4. Alternatively, the extension line of the bottom surface 32 in the second end portion makes an angle of less than 5 degrees with the vehicle interior floor 4. In the above solution, the second end portion middle bottom surface 32 with a low upward extending angle is provided, so that the second end portion 3 can divide the force to the left, and the second end portion 3 can still extend along the first direction L1 for a longer distance in a relatively narrow space, thereby better sharing the force applied to the main body 1.

In this embodiment, the thickness of the first end portion 2 is gradually reduced along the first direction, and the thickness of the second end portion 3 is gradually increased along the first direction, that is, for the arch bridge structure, the thickness of the arch ring from the arch top to the arch foot direction can be gradually increased in a variable cross section, and the bearing capacity of the arch bridge can be further enhanced.

Fig. 2 is a schematic view of a beam main body according to a preferred embodiment of the present disclosure, as shown in fig. 2, in this embodiment, a main body 1 and two ends 7 of the main body are an integrally formed structure, the two ends 7 of the main body extend along a rear wheel house inner plate 8, a first end portion 2 further fixes the main body 1 to the rear wheel house inner plate 8 through a connecting member 9, wherein the connecting member 9 is arranged along a top surface of the rear wheel house inner plate 8, so as to ensure that the beam and a vehicle are communicated, improve transmission of lateral force, and effectively improve torsional rigidity of the entire vehicle.

Fig. 3 is a plan view of the cross beam main body according to the preferred embodiment of the present disclosure, and as shown in fig. 3, the rear wheel house inner panel 8 is provided with the reinforcing ribs 10, and the connecting pieces 9 are arranged along the top surface of the rear wheel house inner panel 8, and the reinforcing ribs 10 fix the main body 10 to the connection between the reinforcement main body 1 and the rear wheel house inner panel 8 from the bottom surface of the rear wheel house inner panel 8, so as to further reinforce the communication between the cross beam and the vehicle, improve the transmission of the lateral force, and effectively improve the torsional rigidity of the entire vehicle.

In this embodiment, in order to fix the main body 1 to the floor, the reinforcing parts 5 are provided at both sides of the main body 1 to be inclined with respect to the main body 1, the reinforcing parts 5 are provided under the vehicle interior floor 4 and are fixed to the main body 1 at least one end, the reinforcing parts 5 are inclined with respect to the main body 1 and fix the main body 1 to the vehicle interior floor 4, and the plurality of reinforcing parts 5 are provided at both sides of the main body 1 and are formed in a radial shape from the main body 1 to both sides, which facilitates the fixing of the main body 1 only to the vehicle interior floor 4. The reinforcement part 5 may be any mechanical or electrical component of the vehicle without an additional mechanical component, saving installation space and reducing the weight of the vehicle.

The foregoing is only a preferred embodiment of the present disclosure, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present disclosure, and these modifications and substitutions should also be regarded as the protection scope of the present disclosure.

Claims

1. A seat mounting beam structure is arranged on a floor in a vehicle and is characterized by comprising a main body, a first end portion and a second end portion, wherein the bottom surface of the first end portion extends upwards along a first direction, the bottom surface of the second end portion extends downwards along the first direction, and the main body is mounted on the floor in the vehicle.

2. The seat mounting beam structure according to claim 1, wherein the first end portion has a thickness that gradually decreases in a first direction, and the second end portion has a thickness that gradually increases in the first direction.

3. The seat mounting beam structure according to claim 1, wherein the thickness of the first end is a span of the first end in a second direction, wherein the first direction and the second direction are perpendicular to each other.

4. The seat mounting beam structure according to claim 1, wherein the top surface of the main body, the top surface of the first end portion, and the top surface of the second end portion constitute a first top surface, the first top surface being a flat surface or the first top surface being an arc surface, wherein the first top surface is in a shape protruding upward from the first end portion and the second end portion toward the main body.

5. The seat mounting beam structure according to claim 4, wherein the first top surface has an inverted U-shaped cross section.

6. The seat installation beam structure according to claim 1, wherein the bottom surface of the first end portion is divided into a first end portion front bottom surface, a first end portion middle bottom surface and a first end portion rear bottom surface which are sequentially distributed along a first direction, an included angle between an extension line of the first end portion middle bottom surface and the vehicle interior floor is smaller than an included angle between an extension line of the first end portion front bottom surface and the vehicle interior floor, and an included angle between the extension line of the first end portion middle bottom surface and the vehicle interior floor is smaller than an included angle between the first end portion rear bottom surface and the vehicle interior floor.

7. The seat mounting beam structure according to claim 1, wherein the bottom surface of the second end portion includes a second end portion front bottom surface, a second end portion middle bottom surface, and a second end portion rear bottom surface that are sequentially distributed along the first direction, an included angle between an extension line of the second end portion middle bottom surface and the floor in the vehicle is smaller than an included angle between an extension line of the second end portion front bottom surface and the floor in the vehicle, and an included angle between the extension line of the second end portion middle bottom surface and the floor in the vehicle is smaller than an included angle between the second end portion rear bottom surface and the floor in the vehicle.

8. The seat mounting beam structure according to claim 1, a bottom surface of the first end portion extending upward to the main body in a first direction.

9. The seat mounting beam structure according to claim 1, a main body extending in a first direction and both ends of the main body extending upward in a second direction, the main body having a U-shape in cross section.

10. The seat mounting beam structure according to claim 1, wherein the side face of the main body is provided with a reinforcement portion that is diagonal to the main body, the reinforcement portion being provided under a floor in a vehicle interior and fixed to the main body.