CN216102423U

CN216102423U - Front floor frame structure, vehicle front floor structure and vehicle

Info

Publication number: CN216102423U
Application number: CN202121095403.0U
Authority: CN
Inventors: 佟丽娜; 张虎
Original assignee: BAIC Motor Co Ltd
Current assignee: BAIC Motor Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-03-22
Anticipated expiration: 2031-05-20

Abstract

The embodiment of the application provides a front floor frame structure, a vehicle front floor structure and a vehicle, which belong to the technical field of automobiles and comprise an integral mounting frame in an H-shaped structure; the integral mounting frame comprises boundary beams positioned on the left side and the right side and at least one seat cross beam positioned between the boundary beams, and each boundary beam is of a hollow structure. Through a preceding floor frame construction, vehicle forefloor structure and vehicle that this application embodiment provided, can improve the collision energy-absorbing ability of vehicle forefloor frame, promote the security that the vehicle coped with the side post collision.

Description

Front floor frame structure, vehicle front floor structure and vehicle

Technical Field

The embodiment of the application relates to the technical field of automobiles, in particular to a front floor frame structure, a vehicle front floor structure and a vehicle.

Background

With the development of pure electric vehicles, the safety performance and the cruising ability of the electric vehicles are more and more concerned by consumers, the vehicle body structure greatly influences the two performances of the vehicles, and the light weight of the vehicle body is realized to be an unblocked development trend on the premise of ensuring the safety performance of the vehicle body.

The front floor frame of the existing electric automobile has low collision energy absorption capacity, so that the safety of the automobile for coping with side column collision is low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a front floor frame structure, a vehicle front floor structure and a vehicle, and aims to improve the collision energy absorption capacity of the vehicle front floor frame and improve the safety of the vehicle in response to side column collision.

A first aspect of an embodiment of the present application provides a front floor frame structure, including an integral mounting frame in an H-shaped structure; the integral mounting frame comprises boundary beams positioned on the left side and the right side and at least one seat cross beam positioned between the boundary beams, and each boundary beam is of a hollow structure.

Optionally, at least one first cavity is arranged in the edge beam to form a hollow structure of the edge beam.

Optionally, the seat cross member is a hollow structure.

Optionally, at least one second cavity is provided in the seat cross member to form a hollow structure of the seat cross member.

Optionally, a plurality of first mounting holes are formed in the edge beam along the length direction of the edge beam, and a plurality of second mounting holes are formed in the seat cross beam;

first mounting hole and second mounting hole all are used for installing the battery mounting panel, wherein, the battery mounting panel is used for installing the battery.

Optionally, a third mounting hole is formed in the seat cross beam, the third mounting hole is communicated with the second cavity, and a threaded pipe is embedded in the third mounting hole and used for mounting a seat.

Optionally, the ends of both ends of the threaded pipe are fixedly connected with the seat cross beam.

A second aspect of the embodiments of the present application provides a vehicle front floor structure, including a front floor frame structure as provided in the first aspect of the embodiments of the present application, wherein a plurality of mounting points are provided on a seat cross member of the integrated mounting frame, and a front floor is mounted to the frame through the plurality of mounting points.

A third aspect of embodiments of the present application provides a vehicle including a front floor frame structure as provided in the first aspect of embodiments of the present application, or a vehicle front floor structure as provided in the second aspect of embodiments of the present application.

Has the advantages that:

the application provides a preceding floor frame construction, floor structure and vehicle before the vehicle, through setting up boundary beam and seat crossbeam into the integral installation frame of H type, make the cross-section of seat crossbeam not have sudden change position, thereby make boundary beam and seat crossbeam form through-type biography power route, when the vehicle receives the striking, the transmission of collision force is more smooth and easy, set up the boundary beam into hollow structure simultaneously, can improve the ratio energy-absorbing of integral installation frame to collision force, thereby the security that the vehicle dealt with the side pillar collision has effectively been promoted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a front floor frame in the related art;

fig. 2 is a cross-sectional structural view of a front floor frame in the related art;

FIG. 3 is a schematic front view of an integral mounting frame according to one embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of a unitary mounting frame according to one embodiment of the present application;

FIG. 5 is a cross-sectional structural view of a seat beam according to an embodiment of the present application;

FIG. 6 is a schematic view of a back side of an integral mounting frame according to one embodiment of the present application;

FIG. 7 is a schematic structural diagram of a battery mounting plate according to an embodiment of the present disclosure;

fig. 8 is a schematic view of an installation structure of a threaded pipe according to an embodiment of the present application.

Description of reference numerals: 1. an integral mounting frame; 2. a boundary beam; 21. a first cavity; 22. a first mounting hole; 3. a seat cross member; 31. a second cavity; 32. a second mounting hole; 33. a third mounting hole; 34. mounting points; 4. a battery mounting plate; 5. a threaded pipe; 61. a threshold outer plate; 62. a threshold inner plate; 63. the rear of the front seat is provided with a bracket; 64. a front seat rear cross member; 65. the rear of the front seat is provided with a bracket; 66. a front seat front cross member; 67. a middle channel plate.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the related art, referring to fig. 1, a front floor frame is composed of a rocker outer panel 61, a rocker inner panel 62, a front seat rear mounting bracket-outer 63, a front seat rear cross member 64, a front seat rear mounting bracket-inner 65, a front seat front cross member 66, and a center tunnel plate 67. The front seat rear mounting bracket-outer 61, the front seat rear cross beam 64 and the front seat rear mounting bracket-inner 65 are welded to form a front seat rear cross beam assembly, the threshold inner plate 62 and the front seat rear cross beam 64 assembly are welded to form a framework sub assembly, and then the framework sub assembly is welded to the middle channel 67 and the threshold outer plate 61 to form a front floor frame assembly. The sub-assemblies are connected by adopting welding spots and carbon dioxide arc welding.

However, as shown in fig. 3, since the front floor frame is welded to the rocker outer panel 61, the rocker inner panel 62, the front-seat rear mount bracket outer 63, the front-seat rear cross member 64, the front-seat rear mount bracket inner 65, the front-seat front cross member 66, and the center tunnel plate 67, there is a discontinuity in the formed force transmission path, and the transmission of the collision force is abrupt when the vehicle is collided, which affects the collision performance of the vehicle.

In view of this, the embodiment of the present application provides a front floor frame structure, a vehicle front floor structure and a vehicle, in which the edge beam and the seat beam are arranged to form an integral mounting frame in an H-shape, so that there is no sudden change in the cross section of the seat beam, and the edge beam and the seat beam form a through-type force transmission path.

Example one

Referring to fig. 3 and 4, a front floor frame structure disclosed in the present application includes an integral mounting frame 1, the integral mounting frame 1 is H-shaped, the integral mounting frame 1 is composed of two side beams 2 located at the left and right sides and a seat cross beam 3 located between the two side beams 2, and at least one seat cross beam 3 is provided, in this embodiment, two seat cross beams 3 are provided. The edge beam 2 and the seat cross beam 3 are both aluminum alloy components and are integrally cast and molded. Meanwhile, each edge beam 2 is of a hollow structure.

Through casting boundary beam 2 and seat crossbeam 3 an organic whole as integral installation frame 1 for there is not the abrupt point in boundary beam 2 and the cross-section of seat crossbeam 3, has formed through-type biography power route, and like this, when the vehicle suffered the collision, the transmission of collision force can be more smooth and easy, thereby makes the vehicle can bear the striking better. Simultaneously, the boundary beam 2 is arranged to be of a hollow structure, so that the specific energy absorption of the boundary beam 2 to the collision force can be improved, and the safety of the vehicle for coping with the side column collision is further improved.

In addition, the integral installation frame 1 integrates each part forming the front floor frame in the related technology, so that the number of parts is greatly reduced, the development cost of a welding process, a welding tool and a welding fixture is saved, and the production efficiency is improved.

Meanwhile, the edge beam 2 and the seat cross beam 3 are both aluminum alloy components, so that the integral mounting frame 1 is light in weight, and after the integral mounting frame is mounted on a vehicle, the weight of the vehicle body can be reduced, and the light weight effect and the cruising ability of the vehicle are improved.

It should be particularly noted that the front floor frame structure provided by the embodiment of the present application may be applied to not only a pure electric vehicle, but also a fuel vehicle.

In one embodiment, the hollow structure of the side sill 2 can be formed by providing at least one first cavity 21 in the side sill 2, thereby further improving the specific energy absorption of the side sill 2 against the impact force.

Specifically, referring to fig. 4, in the present embodiment, five first cavities 21 are provided in the side beam 2, and in the cross section of the side beam 2, two first cavities 21 are located at the upper portion and the middle portion of the cross section of the side beam 2, and the other three first cavities 21 are located at the bottom portion of the cross section of the side beam 2, so that the side beam 2 can better bear and buffer the collision force by using the five first cavities 21.

In one embodiment, referring to FIG. 5, to further enhance the impact-bearing capacity of the unitary mounting frame 1 structure, the seat cross member 3 is also provided as a hollow structure.

By providing the seat cross member 3 as a hollow structure, it is possible to make the seat cross member 3 bear and absorb a part of the collision force, so that the integrated mounting frame 1 is less likely to be damaged when subjected to a collision.

In one embodiment, at least one second cavity 31 may be provided in the seat cross member 3, constituting a hollow structure of the seat cross member 3.

Specifically, referring to fig. 5, in the present embodiment, two second cavities 31 are provided in the seat cross member 3, and the two second cavities 31 form a "zigzag" structure in the cross section of the seat cross member 3, so that the integrated mounting frame 1 has higher side pillar collision safety by using the two second cavities 31.

In one embodiment, referring to fig. 6, each edge beam 2 is provided with a plurality of first mounting holes 22 along the length direction of the edge beam 2, and the plurality of first mounting holes 22 are uniformly spaced; each seat cross beam 3 is provided with a plurality of second mounting holes 32, and the plurality of second mounting holes 32 are uniformly spaced.

The first mounting holes 22 and the second mounting holes 32 are used for mounting the battery mounting plate 4, the battery mounting plate 4 is used for mounting a vehicle battery, the battery mounting plate 4 is made of steel and is connected with the integrated mounting frame 1 through flow drill screws during mounting, the vehicle battery can be mounted on the integrated mounting frame 1 after the battery mounting plate 4 is mounted, and the number of the first mounting holes 22 and the number of the second mounting holes 32 can be selected according to the sizes of different vehicle batteries.

By providing a plurality of first mounting holes 22 and second mounting holes 32, the vehicle battery can be better mounted on the integrated mounting frame 1, and also the integrated mounting frame 1 can be adapted to vehicle batteries of different sizes.

In one embodiment, the unitary mounting frame 1 also has a front seat mounting function.

Specifically, referring to fig. 3 and 8, a third mounting hole 33 is formed in the seat cross member 3, the third mounting hole 33 is communicated with one of the second cavities 31 of the seat cross member 3, a threaded pipe 5 is embedded in the third mounting hole 33, and a thread is formed on the inner wall of the threaded pipe 5; when the front seat is installed, the fixing bolt penetrates through the front seat and enters the threaded pipe 5, so that the front seat can be installed, and the front floor frame structure is more convenient to use.

In one embodiment, the connection strength at the front seat mounting can be further improved.

Specifically, referring to fig. 8, the ends of the two ends of the threaded pipe 5 are fixedly connected to the seat cross member 3, that is, one end of the threaded pipe 5 abuts against the bottom wall of the second cavity, and the other end abuts against the top wall of the second cavity, so that the connection of the threaded pipe 5 is more stable, and the connection strength of the front seat installation part is improved.

Example two

Based on the same inventive concept, the embodiment of the present application further discloses a vehicle front floor structure, which includes the front floor frame structure provided in the first embodiment of the present application, and further includes a front floor.

Specifically, referring to fig. 2, a plurality of mounting points 34 are provided on the integrated mounting frame 1, and the front floor is fixedly connected to the integrated mounting frame 1 through the plurality of mounting points 34. When the front floor is connected with the integral installation frame 1, a self-piercing riveting mode can be adopted, and structural glue is coated at the connecting position to enhance the connecting strength. So make the connection process between front floor and the integral installation frame 1 simpler, improved production efficiency.

EXAMPLE III

Based on the same inventive concept, the embodiment of the present application further discloses a vehicle, which includes the front floor frame structure provided in the first embodiment of the present application, or includes the vehicle front floor structure provided in the second embodiment of the present application.

It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

It should also be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, relational terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions or should not be construed as indicating or implying relative importance. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.

The technical solutions provided by the present application are described in detail above, and the principles and embodiments of the present application are described herein by using specific examples, which are only used to help understanding the present application, and the content of the present description should not be construed as limiting the present application. While various modifications of the illustrative embodiments and applications will be apparent to those skilled in the art based upon this disclosure, it is not necessary or necessary to exhaustively enumerate all embodiments, and all obvious variations and modifications can be resorted to, falling within the scope of the disclosure.

Claims

1. A front floor frame structure characterized by: comprises an integral mounting frame (1) with an H-shaped structure; the integral type mounting frame (1) comprises edge beams (2) located on the left side and the right side and at least one seat cross beam (3) located between the edge beams (2), and each edge beam (2) is of a hollow structure.

2. The front floor frame structure according to claim 1, wherein: at least one first cavity (21) is arranged in the edge beam (2) to form a hollow structure of the edge beam (2).

3. The front floor frame structure according to claim 1, wherein: the seat beam (3) is of a hollow structure.

4. The front floor frame structure according to claim 3, wherein: at least one second cavity (31) is arranged in the seat cross beam (3) to form a hollow structure of the seat cross beam (3).

5. The front floor frame structure according to claim 1, wherein:

a plurality of first mounting holes (22) are formed in the edge beam (2) along the length direction of the edge beam (2), and a plurality of second mounting holes (32) are formed in the seat cross beam (3);

the first mounting hole (22) and the second mounting hole (32) are used for mounting a battery mounting plate (4), wherein the battery mounting plate (4) is used for mounting a battery.

6. The front floor frame structure according to claim 4, wherein:

a third mounting hole (33) is formed in the seat cross beam (3), the third mounting hole (33) is communicated with the second cavity (31), a threaded pipe (5) is embedded into the third mounting hole (33), and the threaded pipe (5) is used for mounting a seat.

7. The front floor frame structure according to claim 6, wherein:

the end parts of the two ends of the threaded pipe (5) are fixedly connected with the seat crossbeam (3).

8. A vehicle front floor structure characterized by: comprising a front floor frame structure according to any one of claims 1-7; a plurality of mounting points (34) are arranged on a seat cross beam (3) of the integrated mounting frame (1), and a front floor is mounted on the frame through the mounting points (34).

9. A vehicle, characterized in that: comprising a front floor frame structure according to any of claims 1-7, or comprising a vehicle front floor structure according to claim 8.