CN217435865U

CN217435865U - Front floor assembly and vehicle

Info

Publication number: CN217435865U
Application number: CN202221576046.4U
Authority: CN
Inventors: 李洋; 苏君; 崔建刚
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-16
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a preceding floor assembly and vehicle, preceding floor assembly include floor, threshold roof beam and beam assembly, the threshold roof beam vertically locates respectively the both sides on floor, beam assembly transversely locates between the threshold roof beam, beam assembly includes left crossbeam and right crossbeam, the one end of left side crossbeam connect in on the threshold roof beam, the other end with the one end overlap joint of right crossbeam, the other end of right crossbeam connect in on the threshold roof beam. From this, replace the structure of integral crossbeam through the structure of mutual lapped left crossbeam and right crossbeam to satisfying under the prerequisite that realizes production process, having realized the design effect of integral crossbeam and turn-ups structure simultaneously, can not only satisfy the vehicle in the intensity requirement of side direction collision, but also can satisfy the demand of platformization design.

Description

Front floor assembly and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a front floor assembly and vehicle are related to.

Background

Along with the increase of automobile body size, the side direction collision performance of vehicle requires highly, for this reason the rear cross beam structure of front seat generally adopts the integral design of thermoforming under the condition that satisfies the performance requirement, simultaneously in order to satisfy the demand of platformization design, still generally the design is connected the crossbeam with zero degree overlap joint's mode with the threshold structure adoption, be promptly through setting up turn-ups lug connection on the lateral wall of threshold, but when the integral crossbeam of thermoforming carries out stamping forming, because the condition emergence of unable drawing of patterns can appear in the design of turn-ups, lead to this project organization to be difficult to realize in actual production, thereby cause the unable condition emergence that exists simultaneously of integral crossbeam design and turn-ups.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a front floor assembly, this front floor assembly pass through the mutual overlap joint of split type crossbeam and constitute integral crossbeam to the problem of the unable drawing of patterns when solving stamping forming when realizing the intensity effect of integral crossbeam.

The utility model discloses a further provide one kind.

According to the utility model discloses front floor assembly of first aspect embodiment, include

A floor;

the threshold beams are respectively and longitudinally arranged on two sides of the floor; and

the beam assembly is transversely arranged between the threshold beams and comprises a left beam and a right beam, the left beam is in lap joint with the right beam, one of the left beam or the right beam is provided with a lap joint part, and the lap joint part covers one end of the other beam.

From this, replace the structure of integral crossbeam through the structure of mutual lapped left crossbeam and right crossbeam to satisfying under the prerequisite that realizes production processes, having realized integral crossbeam and flange structure's design effect simultaneously, can not only satisfying the vehicle in the intensity requirement of side direction collision, but also can satisfying the demand of platformization design.

According to the utility model discloses an in some embodiments, the middle part on floor forms central channel, left side crossbeam or overlap joint portion on the right side crossbeam is located central channel's top.

According to some embodiments of the present invention, the beam assembly further comprises: the crossbeam reinforcement, left side crossbeam with right side crossbeam all with the crossbeam reinforcement is connected, the crossbeam reinforcement is including hunch-up section, left beam section and right beam section an organic whole are located both ends about the hunch-up section, the hunch-up section with the lateral wall laminating of central channel is connected.

According to the utility model discloses an in some embodiments, be equipped with first kink on the crossbeam of a left side, be equipped with the second kink on the crossbeam of the right side, first kink with the second kink all with the section of arching is closely laminated and is connected.

According to some embodiments of the present invention, the end of the left beam section and the sill beam located on the left side leave a gap therebetween, and/or

And a gap is reserved between the end part of the right beam section and the doorsill beam positioned on the right side.

According to the utility model discloses an in some embodiments, be equipped with first shirt rim on the crossbeam reinforcement, be equipped with second shirt rim and third shirt rim on the long limit tip in the both sides of left crossbeam, right crossbeam respectively, first shirt rim and third shirt rim connect respectively in on the floor, the second shirt rim connect in on the first shirt rim.

According to the utility model discloses an in some embodiments, be equipped with first boss on the first shirt rim, be equipped with the second boss on the second shirt rim, first boss inlays to be located in the second boss.

According to the utility model discloses an in some embodiments, the one end of left side crossbeam connect in on the threshold roof beam, the other end with the one end lap joint of right side crossbeam, the other end of right side crossbeam connect in on the threshold roof beam.

According to the utility model discloses an in some embodiments, be equipped with first turn-ups on the left crossbeam, first turn-ups is connected and is located left on the lateral wall of threshold roof beam, be equipped with the second turn-ups on the right crossbeam, the second turn-ups is connected and is located the right side on the lateral wall of threshold roof beam.

According to a second aspect of the present invention, the front floor assembly comprises the above-mentioned front floor assembly.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a front floor assembly according to an embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a beam assembly according to an embodiment of the present invention;

fig. 4 is a schematic top view of a beam reinforcement according to an embodiment of the present invention;

fig. 5 is a schematic top view of a left cross beam according to an embodiment of the present invention;

fig. 6 is a schematic top view of a right cross member according to an embodiment of the present invention;

fig. 7 is a schematic view of a gap according to an embodiment of the invention.

Reference numerals:

100. a front floor assembly;

1. a floor; 11. a central channel; 12. a gap; 2. a threshold beam; 3. a beam assembly; 4. a left cross beam; 41. a first bent portion; 42. a first flanging; 5. a right cross member; 51. a second bent portion; 52. second flanging; 6. a beam reinforcement; 61. an arching section; 62. a left beam section; 63. a right beam section; 64. a first skirt edge; 641. a first boss; 7. a lap joint section; 8. a second skirt; 81. a second boss; 9. and a third skirt edge.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A front floor assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 7.

As shown in fig. 1 and fig. 2, the front floor assembly 100 according to the embodiment of the present invention integrally includes: floor 1, threshold roof beam 2 and beam assembly 3, threshold roof beam 2 vertically locates the both sides on floor 1 respectively, and beam assembly 3 transversely locates between the threshold roof beam 2, and wherein, beam assembly 3 includes left crossbeam 4 and right crossbeam 5, and

left crossbeam

4 and 5 overlap joint of right crossbeam, and one in left crossbeam 4 or the right crossbeam 5 is equipped with overlap joint portion 7, and overlap joint portion 7 covers and locates one of another and serve.

It is specific, the integral crossbeam structure that will predesign changes split type design back into, be favorable to smooth stamping forming in actual production manufacturing, at this moment, even adopted the turn-ups design on the tip of left crossbeam 4 and right crossbeam 5, the effect of the smooth drawing of patterns is realized through the change of drawing of patterns angle also in the stamping forming process, during the assembly, with left crossbeam 4 and the mutual overlap joint of right crossbeam 5 form a complete crossbeam together, can effectually solve the production conflict between integral crossbeam structure and the turn-ups connection structure through this setting, the advantage of integral crossbeam and platformization design has been realized synthetically.

Meanwhile, the lapping part 7 slightly protrudes upwards to form a convex cavity structure, and the convex cavity structure is sleeved on the end part of the other beam during lapping. The crossbeam that can will one side when generally carrying out the overlap joint directly sets up the crossbeam upper portion on the opposite side, but such overlap joint mode can make the crossbeam that is in the overlap joint top produce slight inclination to gap when influence this crossbeam and other positions welding, thereby influence beam assembly 3's whole welding strength. From this, can ensure all that the angle of left crossbeam 4 and right crossbeam 5 keeps the uniformity through setting up overlap joint portion 7 to strengthen beam assembly 3's welding strength, intensity when promoting the side direction collision.

From this, replace the structure of integral crossbeam through the structure of mutual lapped left crossbeam 4 and right crossbeam 5 to satisfying under the prerequisite that realizes production process, having realized the design effect of integral crossbeam and turn-ups structure simultaneously, can not only satisfy the vehicle in the intensity requirement of side direction collision, but also can satisfy the demand of platformization design.

Further, on the basis of the above-mentioned embodiment, as shown in fig. 1, a central channel 11 is formed in the middle of the floor 1, and a lap joint between the other end of the left cross beam 4 and one end of the right cross beam 5 is disposed on the central channel 11, wherein the cross beam assembly 3 formed by the left cross beam 4 and the right cross beam 5 is not only used for enhancing the strength of the vehicle floor 1, but also can be used as an installation position of vehicle components, specifically, a hole site for installing a left seat is disposed on the left cross beam 4, and a hole site for installing a right seat is also disposed on the right cross beam 5, so that the lap joint between the left cross beam 4 and the right cross beam 5 is disposed on the central channel 11, and it is possible to avoid that the normal installation of the seat is affected after the lap joint is disposed on both sides of the central channel 11.

In some embodiments of the present invention, as shown in fig. 3, the beam assembly 3 further includes a beam reinforcement 6, the left beam 4 and the right beam 5 are both connected to the beam reinforcement 6, the beam reinforcement 6 includes an arching section 61, a left beam section 62 and a right beam section 63, the left beam section 62 and the right beam section 63 are integrally disposed at the left and right ends of the arching section 61, and the arching section 61 is connected to the side wall of the central channel 11.

Specifically, the structural strength of the entire cross member assembly 3 can be enhanced by providing the cross member reinforcement 6, thereby facilitating the improvement of the strength of the entire cross member assembly 3 against side collision.

Further, on the basis of the above-mentioned embodiment, as shown in fig. 3, the left beam 4 is provided with the first bending portion 41, the right beam 5 is provided with the second bending portion 51, the first bending portion 41 and the second bending portion 51 are both tightly attached to the arching section 61, wherein the first bending portion 41 is located on one side of the left beam 4 close to the central passage 11, and similarly, the second bending portion 51 is located on one side of the right beam 5 close to the central passage 11, during assembly, the left beam 4 and the right beam 5 are respectively connected to the beam reinforcement 6, and then the beam assembly 3 is integrally welded between the sill beams 2 on both sides. Through setting up crossbeam reinforcement 6 in the below of left crossbeam 4 and right crossbeam 5, be favorable to the left beam section 62 and the right beam section 63 of crossbeam reinforcement 6 to extend to both sides, the volume welding length between crossbeam reinforcement 6 and left crossbeam 4, the right crossbeam 5 of being convenient for to reinforcing beam assembly 3's whole welding strength.

In some embodiments of the present invention, as shown in fig. 7, a gap 12 is left between the end of the left beam section 62 and the threshold beam 2 located on the left side, and/or a gap 12 is left between the end of the right beam section 63 and the threshold beam 2 located on the right side, so that the left beam 4 and the right beam 5 can directly move up and down along the direction perpendicular to the floor 1. It is specific, the tip of left beam section 62 extends the setting to left threshold roof beam 2 one side, the tip of right beam section 63 extends the setting to threshold roof beam 2 one side right, through the length that such structure setting can this crossbeam reinforcement 6 of greatly increased, both ends are not connected with threshold roof beam 2 again simultaneously, can not only strengthen beam assembly 3's structural strength, and can also be favorable to realizing the design effect of integral crossbeam, connect and can realize through left crossbeam 4 and right crossbeam 5 respectively in threshold roof beam 2's effect, thereby can not produce the problem of drawing of patterns difficulty, can effectual solution crashworthiness and the conflict between the platformization design.

In some embodiments of the present invention, as shown in fig. 3 and 4, the beam reinforcement 6 is provided with a first skirt edge 64, the long edge ends of the two sides of the left beam 4 and the right beam 5 are respectively provided with a second skirt edge 8 and a third skirt edge 9, the first skirt edge 64 and the third skirt edge 9 are respectively connected to the floor 1, and the second skirt edge 8 is connected to the first skirt edge 64. Specifically, after the beam assembly 3 is disposed on the floor 1, the beam reinforcement 6 can be fixed on the floor 1 through the first skirt edge 64, the left beam 4 and the right beam 5 can be respectively connected to the beam reinforcement 6 through the second skirt edge 8, and the left beam 4 and the right beam 5 can be respectively connected to the floor 1 through the third skirt edge 9.

The beam assembly 3 and the floor 1 are welded in a laminated manner from the viewpoint of the overall structure, and the welding structure can facilitate the welding between the beam assembly 3 and the floor 1 and avoid the occurrence of local welding stress concentration.

Further, on the basis of the above-mentioned embodiment, as shown in fig. 3, the first skirt 64 is provided with the first boss 641, the second skirt 8 is provided with the second boss 81, and the first boss 641 is embedded in the second boss 81, wherein, since a plurality of protruding structures are usually provided on the floor panel 1, the arrangement of the first boss 641 on the first skirt 64 can be used for avoiding these protruding structures, thereby facilitating the flat welding of the cross beam assembly 3. Simultaneously, through the second boss 81 that sets up on the second shirt rim 8, can play spacing effect, when being convenient for locate crossbeam reinforcement 6 with left crossbeam 4 and right crossbeam 5 on weld, through the cooperation design of second boss 81 and first boss 641 structure to be convenient for fixed when welding, be favorable to promoting the welding precision.

In some embodiments of the present invention, as shown in fig. 1, one end of the left beam 4 is connected to the threshold beam 2, the other end is connected to one end of the right beam 5, and the other end of the right beam 5 is connected to the threshold beam 2. Specifically, the left cross beam 4 and the right cross beam 5 are combined into a complete cross beam structure, and when the complete cross beam structure is arranged between the threshold beams 2, the welding strength of the threshold beams 2 can be enhanced, so that the strength and the safety during lateral collision are improved.

In some embodiments of the present invention, as shown in fig. 3 and 5, the left beam 4 is provided with a first flange 42, the first flange 42 is connected to the side wall of the left sill beam 2, the right beam 5 is provided with a second flange 52, and the second flange 52 is connected to the side wall of the right sill beam 2. Specifically, the conventional cross member is generally connected to the rocker beam 2 in an overlapping manner, but such an arrangement requires the size and shape of the overlapping member to be specifically designed for each vehicle type, and also causes the cross member of different vehicle types to be not universal. From this, can lug connection on the lateral wall of threshold roof beam 2 through setting up turn-ups structure, can be according to the threshold altitude mixture control beam assembly 3 of difference the welding position can, need not the overlap joint structure on the redesign crossbeam tip to promote this beam assembly 3's commonality greatly, be favorable to carrying out the use of platformization development.

According to the embodiment of the present invention, the front floor assembly 100 includes the above-mentioned embodiments. Specifically, adopt above-mentioned preceding floor assembly 100, can satisfy integral crossbeam and flanging structure's demand simultaneously to be convenient for under the condition of punching press production, promote the side direction collision strength of vehicle, be convenient for simultaneously carry out the platformization structural design, further promotion vehicle competitiveness.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do 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, should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A front floor assembly, comprising:

a floor;

2. The front floor assembly according to claim 1, wherein the central portion of the floor forms a central channel, and the lap joint on the left or right cross member is provided at the top of the central channel.

3. The front floor assembly according to claim 2, wherein said beam assembly further comprises: the crossbeam reinforcement, left side crossbeam with right side crossbeam all with the crossbeam reinforcement is connected, the crossbeam reinforcement is including hunch-up section, left beam section and right beam section an organic whole are located both ends about the hunch-up section, the hunch-up section with the lateral wall laminating of central channel is connected.

4. The front floor assembly according to claim 3, wherein a first bending portion is provided on the left cross member, a second bending portion is provided on the right cross member, and the first bending portion and the second bending portion are tightly connected to the arching section.

5. Front floor assembly according to claim 3, characterized in that a gap is left between the end of the left beam section and the threshold beam on the left side, and/or

6. The front floor assembly according to claim 3, wherein the cross member reinforcement member is provided with a first skirt, and the long side ends of the left and right cross members are provided with a second skirt and a third skirt, respectively, the first skirt and the third skirt are connected to the floor panel, respectively, and the second skirt is connected to the first skirt.

7. The front floor assembly according to claim 6, wherein the first skirt is provided with a first boss, the second skirt is provided with a second boss, and the first boss is embedded in the second boss.

8. The front floor assembly according to claim 1, wherein the other end of said left cross member is connected to said rocker beam and the other end of said right cross member is connected to said rocker beam.

9. The front floor assembly according to claim 8, wherein the left cross member has a first flange connected to the side wall of the threshold beam on the left side, and the right cross member has a second flange connected to the side wall of the threshold beam on the right side.

10. A vehicle, characterized by comprising: the front floor assembly of any of claims 1-9.