CN216401565U - Vehicle rear floor front beam structure, vehicle floor structure and vehicle - Google Patents
Vehicle rear floor front beam structure, vehicle floor structure and vehicle Download PDFInfo
- Publication number
- CN216401565U CN216401565U CN202122325307.7U CN202122325307U CN216401565U CN 216401565 U CN216401565 U CN 216401565U CN 202122325307 U CN202122325307 U CN 202122325307U CN 216401565 U CN216401565 U CN 216401565U
- Authority
- CN
- China
- Prior art keywords
- rear floor
- vehicle
- panel
- front cross
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The embodiment of the application provides a floor front beam structure, vehicle floor structure and vehicle behind vehicle belongs to car technical field. The rear floor front cross beam comprises an upper plate, a lower plate and a reinforcing plate, wherein the lower plate is connected with the upper plate, a cross beam cavity is formed between the upper plate and the lower plate, and the reinforcing plate is connected with two opposite side edges in the cross beam cavity and used for supporting the cross beam cavity; the rear floor front cross beam is provided with a first panel used for overlapping the rear floor panel assembly and a second panel used for overlapping the front floor assembly; wherein, the front beam of the rear floor is of an integrated structure. The reinforcing plate is additionally arranged in the beam cavity in the front beam of the rear floor, so that the shape of the beam cavity can be effectively supported, and the torsional rigidity of the front beam of the rear floor is improved. Meanwhile, the rear floor and the front cross beam are integrally formed, so that the assembly efficiency of the vehicle can be effectively improved.
Description
Technical Field
The embodiment of the application relates to the technical field of automobiles, in particular to a front cross beam structure of a rear floor of a vehicle, a vehicle floor structure and the vehicle.
Background
With the increasingly strict national environmental protection regulations, the requirements on the emission standard of automobiles are higher and higher, and researches show that the weight of the automobiles directly influences the fuel quantity of the automobiles. The weight reduction has become one of the core competitiveness of each large automobile company, and the weight reduction of the structure, the weight reduction of materials and the weight reduction of the process are effective ways for realizing the weight reduction design.
In the existing vehicle floor connecting structure, a vehicle rear floor assembly is connected with a front floor assembly through a vehicle rear floor front cross beam structure, the vehicle rear floor front cross beam structure is formed by mutually welding a rear floor front cross beam upper plate and a rear floor front cross beam lower plate, a structure with a cross beam cavity formed inside is formed, then a rear floor front cross beam, a rear floor panel assembly and a threshold beam assembly are mutually welded to form a rear floor assembly, and finally the rear floor assembly is mutually welded with the front floor assembly through the rear floor front cross beam to form the vehicle floor structure. The cavity structure of the cross beam is used as a force transmission path for side collision.
However, during the running process of the vehicle, a single wheel is easy to bear force, so that a larger torsion force exists between the front floor assembly and the rear floor assembly of the vehicle, the conventional front cross beam structure of the rear floor of the vehicle is difficult to bear the overlarge torsion force, and the front cross beam structure of the rear floor of the vehicle is easy to deform when the vehicle jolts greatly.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a vehicle rear floor front cross beam structure, a vehicle floor structure and a vehicle, and aims to solve the problem that the vehicle rear floor front cross beam structure is easy to twist and deform.
In a first aspect of the embodiments of the present application, there is provided a vehicle rear floor front cross member structure including a rear floor front cross member including an upper plate, a lower plate, and a reinforcing plate,
the lower plate is connected with the upper plate, a beam cavity is formed between the upper plate and the lower plate, and the reinforcing plate is connected with two opposite side edges in the beam cavity and used for supporting the beam cavity; the rear floor front cross beam is provided with a first panel used for overlapping the rear floor panel assembly and a second panel used for overlapping the front floor assembly;
wherein, the front beam of the rear floor is of an integrated structure.
Optionally, the reinforcing plate is connected to two opposite sides in the cavity of the beam, including:
the length of the reinforcing plate is consistent with that of the cavity of the cross beam.
Optionally, the reinforcing plate is connected to two opposite sides in the cavity of the beam, including:
the reinforcing plate is connected with two opposite side edges in the height direction of the beam cavity so as to divide the beam cavity into a left chamber and a right chamber.
Optionally, the rear floor front cross member is made of aluminum material.
Optionally, the first panel is a panel extending from one side edge of the upper plate, and the second panel is a panel extending from the other side edge of the upper plate.
Optionally, both ends of the front cross beam of the rear floor are provided with connecting ends for connecting the threshold beam assembly;
wherein, the link is the panel that the length direction of upper plate edge upper plate extends to both ends tip.
A second aspect of an embodiment of the present application provides a vehicle floor structure, including a rear floor assembly and a front floor assembly, the rear floor assembly including a rear floor panel assembly, and a vehicle rear floor front cross member structure;
the vehicle rear floor front cross beam structure comprises a rear floor front cross beam, the rear floor front cross beam is provided with a first panel and a second panel, the first panel is fixedly connected with a rear floor panel assembly, and the second panel is fixedly connected with a front floor assembly.
A third aspect of embodiments of the present application provides a vehicle including a vehicle rear floor front cross member structure, or a vehicle floor structure.
The application has at least the following advantages:
the front cross beam structure of the rear floor of the vehicle comprises a front cross beam of the rear floor, wherein the front cross beam of the rear floor comprises an upper plate, a lower plate and a reinforcing plate, the lower plate is connected with the upper plate, a cross beam cavity is formed between the upper plate and the lower plate, and the reinforcing plate is connected with two opposite side edges in the cross beam cavity and used for supporting the cross beam cavity; the rear floor front cross beam is provided with a first panel used for overlapping the rear floor panel assembly and a second panel used for overlapping the front floor assembly; wherein, the front beam of the rear floor is of an integrated structure.
In the embodiment of the application, the reinforcing plate in the cavity of the cross beam can effectively support the shape of the cavity of the cross beam, and can support the cavity of the cross beam when the front floor assembly and the rear floor assembly of the vehicle are twisted relatively, so that the deformation of the cavity of the cross beam is effectively prevented, and the twisting rigidity of the front cross beam of the rear floor is improved. Meanwhile, the integrally formed rear floor front cross beam can effectively reduce the number of parts in the vehicle floor structure and reduce the number of welding processes and the number of development of welding fixtures, so that the assembly efficiency of the vehicle is improved.
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 view of a use environment of a vehicle rear floor front cross member structure according to an embodiment of the present application;
FIG. 2 is a cross-sectional structural view of a vehicle rear floor front cross member structure A-A according to an embodiment of the present application;
description of reference numerals: 1. a rear floor panel assembly; 2. a rear floor front cross member; 21. an upper plate; 22. a lower plate; 23. a reinforcing plate; 24. a beam cavity; 25. a first panel; 26. a second panel; 27. a connecting end; 3. a threshold beam assembly; 4. a front floor assembly.
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, a rear floor assembly and a front floor assembly 4 of a vehicle are connected together through a rear floor front cross beam 2, the vehicle rear floor front cross beam structure is formed by combining and welding an upper plate 21 of the rear floor front cross beam 2 and a lower plate 22 of the rear floor front cross beam 2, the upper plate 21 of the rear floor front cross beam 2 and the lower plate 22 of the rear floor front cross beam 2 form a cross beam cavity 24 structure, so that the side impact energy absorption effect is achieved when the vehicle bumps, but when the rear floor assembly and the front floor assembly 4 of the vehicle bump in a large relative torsion trend, the cross beam cavity 24 in the middle of the vehicle rear floor front cross beam structure is easy to deform and crack.
In view of this, the embodiment of the present application provides a rear floor front beam 2 of a vehicle rear floor front beam structure, where the rear floor front beam 2 includes an upper plate 21, a lower plate 22 and a reinforcing plate 23, the lower plate 22 is connected to the upper plate 21, a beam cavity 24 is formed between the upper plate 21 and the lower plate 22, and the reinforcing plate 23 is connected to two opposite sides in the beam cavity 24 for supporting the beam cavity 24. Through install reinforcing plate 23 additional in the crossbeam cavity 24 in rear floor front beam 2 to make reinforcing plate 23 support between upper plate 21 and hypoplastron 22, in order to improve the structural stability of crossbeam cavity 24, when the relatively violent relative distortion trend takes place for vehicle front floor assembly 4 and rear floor assembly, reinforcing plate 23 can support in crossbeam cavity 24, prevent effectively that upper plate 21 and hypoplastron 22 from taking place along with preceding floor assembly 4 and rear floor assembly, the relative distortion in-process takes place for both ends, crossbeam cavity 24 warp and flattens, the distortion rigidity of rear floor front beam 2 has been improved.
Example one
Referring to fig. 1, a schematic view of a usage environment of a vehicle rear floor front cross member structure according to an embodiment of the present application is shown; referring to fig. 2, a cross-sectional structure diagram of a vehicle rear floor front cross member structure a-a according to an embodiment of the present application is shown. As shown in fig. 1 and 2, the embodiment of the present application discloses a vehicle rear floor front cross beam structure, which includes a rear floor front cross beam 2, the rear floor front cross beam 2 includes an upper plate 21, a lower plate 22 and a reinforcing plate 23, the lower plate 22 is connected with the upper plate 21, a cross beam cavity 24 is formed between the upper plate 21 and the lower plate 22, and the reinforcing plate 23 is connected with two opposite side edges in the cross beam cavity 24 for supporting the cross beam cavity 24; wherein the rear floor front cross member 2 has a first panel 25 for overlapping the rear floor panel assembly 1, and a second panel 26 for overlapping the front floor panel assembly 4; wherein, the front beam 2 of the rear floor is an integrated structure. Through the reinforcing plate 23 in the beam cavity 24, the structural strength of the beam cavity 24 can be enhanced, the beam cavity 24 is effectively prevented from deforming in the relative twisting process of the two ends of the rear floor front beam 2, and the twisting rigidity of the rear floor front beam 2 is improved.
Specifically, as shown in fig. 1 and 2, the upper plate 21 includes a middle connection section and extension sections extending from upper and lower ends of the connection section, a length of the lower plate 22 in the Z-axis direction is equal to that of the upper plate 21, one side of the lower plate 22 is fixedly connected to the connection section at the middle of the upper plate 21, the other side of the lower plate 22 is fixedly connected to the extension section at the top of the upper plate 21, and the lower plate 22 and the upper plate 21 are enclosed to form a cross beam cavity 24 having a plurality of different cross-sectional shapes, such as a rectangle, a parallelogram, or a trapezoid. The reinforcing plate 23 is positioned in the beam cavity 24, and two side edges of the reinforcing plate 23 are respectively fixedly connected with the opposite surfaces of the lower plate 22 and the upper plate 21 in the beam cavity 24. In this embodiment, the upper plate 21, the lower plate 22 and the reinforcing plate 23 are integrally formed, for example, a sand mold is used for one-step pouring molten metal molding, the rear floor front beam 2 is formed in an integrally forming manner, the number of parts in the vehicle installation process is reduced, the number of development of welding processes and welding fixtures between the plates is reduced, the machining efficiency of the rear floor front beam structure is improved, and the rear floor front beam structure formed by an integrally forming process is the same in material of each part, and is tight in connection, so that the integral structure is more stable.
In the present embodiment, the rear floor panel has a first panel 25 for overlapping the rear floor panel assembly 1, and a second panel 26 for overlapping the front floor panel assembly 4. The first panel 25 is a panel extending from one side edge of the upper plate 21, and the second panel 26 is a panel extending from the other side edge. Specifically, the first panel 25 is located on an extension of the bottom of the upper plate 21 and the second panel 26 is located on an extension of the top of the upper plate 21.
Both ends of the front rear floor beam 2 are provided with connecting ends 27 for connecting the threshold beam assembly 3; the connection end 27 is a panel in which the upper plate 21 extends toward both end portions along the longitudinal direction of the upper plate 21. As shown in fig. 1, in the present embodiment, the upper plate 21 has a length direction, i.e., a Z-axis direction, and the connection ends 27 extend outward from both ends of the upper plate 21. In the embodiment of the present application, the first panel 25, the second panel 26, and the connecting end 27 may be flange surfaces, and the flange surfaces may be welded to the rear floor panel assembly 1, the rocker beam assembly 3, and the front floor assembly 4.
Further, the length of the reinforcing plate 23 coincides with the length of the beam cavity 24. Specifically, as shown in fig. 1, the longitudinal direction of the beam cavity 24, i.e., the longitudinal direction of the rear floor front beam 2, i.e., the Z-axis direction. The length of the reinforcing plate 23 in the beam cavity 24 is equal to the length of the beam cavity 24, so that the reinforcing plate 23 can support each section of the beam cavity 24 in the length direction.
Meanwhile, the reinforcing plate 23 is connected to two opposite side edges in the height direction of the beam cavity 24 to divide the beam cavity 24 into two chambers, left and right. As shown in fig. 2, the height direction of the beam cavity 24 is the Y-axis direction, the reinforcing plate 23 is disposed in the beam cavity 24 along the Y-axis direction, and two side edges of the reinforcing plate 23 are respectively connected to the top and the bottom of the beam cavity 24, so as to divide the beam cavity 24 into a left chamber and a right chamber. The number of the cavities in the front beam 2 of the rear floor can be increased, and the side impact energy absorption capacity of the front beam 2 of the rear floor is improved. Furthermore, during the running process of the vehicle, the front floor assembly 4 and the rear floor assembly are usually twisted up and down relatively, so in the embodiment of the present application, the two chambers are arranged side by side along the X-axis direction, and when the front floor assembly 4 and the rear floor assembly are twisted up and down relatively, the bending resistance of the rear floor front cross beam 2 on a vertical plane with the length direction of the rear floor front cross beam 2 as a horizontal axis can be increased through the reinforcing plate 23 vertically arranged in the cross beam cavity 24, and the twisting performance of the vehicle is further improved.
Further, the rear floor front cross member 2 is made of an aluminum material. Specifically, in this application embodiment, back floor front beam 2 can adopt the integrative extrusion moulding technology of aluminium material to make, through adopting aluminium material for back floor front beam 2 compares in the back floor front beam 2 that adopts the iron sheet preparation in the current when possessing stronger side impact energy-absorbing ability, and back floor front beam 2 quality in this application is lighter, satisfies vehicle lightweight design requirement down.
Example two
Based on the same inventive concept, the embodiment of the application discloses a vehicle floor structure, which comprises a vehicle rear floor front cross beam structure provided by the embodiment of the application.
The present application provides a vehicle floor structure including a rear floor assembly and a front floor assembly 4. The rear floor assembly comprises a rear floor panel assembly 1 and a vehicle rear floor front cross beam structure. The vehicle rear floor front cross beam structure comprises a rear floor front cross beam 2, and the rear floor front cross beam 2 is provided with a first panel 25 and a second panel 26. Specifically, the first panel 25 is fixedly connected with the rear floor panel assembly 1 to form the rear floor assembly. The rear floor assembly is fixedly connected to the front floor assembly 4 by the second panel 26. In the embodiment of the present application, the first panel 25 and the second panel 26 are welded and fixed to the rear floor panel assembly 1 and the front floor assembly 4. In other embodiments, the above connection manner may also be a bolt fixing connection.
Through adopting this application embodiment integrated into one piece and crossbeam cavity 24 in have the vehicle rear floor front beam structure of reinforcing plate 23 for link up rear floor panel assembly 1 and preceding floor assembly 4 etc. can effectively reduce the part quantity of vehicle floor structure when the equipment, reduce welding process and welding jig development quantity. Moreover, when relative torsion is transmitted between the front floor assembly 4 and the rear floor assembly, the reinforcement plate 23 can better maintain the beam cavity 24 in the front rear floor beam 2, thereby improving the torsion performance of the vehicle.
EXAMPLE III
Based on the same concept, the embodiment of the application discloses a vehicle, which comprises the vehicle rear floor front cross beam structure provided by the first embodiment or comprises the vehicle floor structure provided by the second embodiment.
A vehicle is provided that includes a vehicle floor structure. The vehicle floor structure is located at the bottom of the vehicle and includes a front floor assembly 4 and a rear floor assembly including a rear floor front cross member 2 connected to the front floor assembly 4. By adopting the rear floor front cross beam 2 with the reinforcing plate 23 in the inner cross beam cavity 24, the torsional rigidity of the rear floor strong cross beam can be improved and the torsional performance of the vehicle can be improved when the vehicle runs to a bumpy road.
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 (8)
1. A vehicle rear floor front cross beam structure is characterized by comprising a rear floor front cross beam (2), wherein the rear floor front cross beam (2) comprises an upper plate (21), a lower plate (22) and a reinforcing plate (23),
the lower plate (22) is connected with the upper plate (21), a beam cavity (24) is formed between the upper plate (21) and the lower plate (22), and the reinforcing plate (23) is connected with two opposite side edges in the beam cavity (24) and used for supporting the beam cavity (24); wherein the rear floor front cross member (2) has a first panel (25) for overlapping the rear floor panel assembly (1) and a second panel (26) for overlapping the front floor assembly (4);
the rear floor front cross beam (2) is of an integrally formed structure.
2. A vehicle rear floor front cross member structure according to claim 1, wherein the reinforcement plate (23) is connected to two opposite side edges in the cross member cavity (24), comprising:
the length of the reinforcing plate (23) is consistent with that of the beam cavity (24).
3. A vehicle rear floor front cross member structure according to claim 1, wherein the reinforcement plate (23) is connected to two opposite side edges in the cross member cavity (24), comprising:
the reinforcing plate (23) is connected with two opposite side edges in the height direction of the beam cavity (24) so as to divide the beam cavity (24) into a left chamber and a right chamber.
4. A vehicle rear floor front cross member structure according to claim 1, wherein the rear floor front cross member (2) is made of an aluminum material.
5. A vehicle rear floor front cross member structure according to claim 1, wherein the first panel (25) is a panel from which one side edge of the upper plate (21) extends, and the second panel (26) is a panel from which the other side edge of the upper plate (21) extends.
6. A vehicle rear floor front cross member structure according to claim 1, wherein both ends of the rear floor front cross member (2) have a connecting end (27) for connecting a rocker beam assembly (3);
the connecting end (27) is a panel which extends from the upper plate (21) to the end parts of the two ends along the length direction of the upper plate (21).
7. A vehicle floor structure characterized by comprising a rear floor assembly and a front floor assembly (4), the rear floor assembly comprising a rear floor panel assembly (1), and the vehicle rear floor front cross member structure according to any one of claims 1 to 6;
the vehicle rear floor front cross beam structure comprises a rear floor front cross beam (2), the rear floor front cross beam (2) is provided with a first panel (25) and a second panel (26), the first panel (25) is fixedly connected with the rear floor panel assembly (1), and the second panel (26) is fixedly connected with the front floor assembly (4).
8. A vehicle comprising the vehicle rear floor front cross member structure of any one of claims 1 to 6, or comprising a vehicle floor structure of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122325307.7U CN216401565U (en) | 2021-09-24 | 2021-09-24 | Vehicle rear floor front beam structure, vehicle floor structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122325307.7U CN216401565U (en) | 2021-09-24 | 2021-09-24 | Vehicle rear floor front beam structure, vehicle floor structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216401565U true CN216401565U (en) | 2022-04-29 |
Family
ID=81294362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122325307.7U Active CN216401565U (en) | 2021-09-24 | 2021-09-24 | Vehicle rear floor front beam structure, vehicle floor structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216401565U (en) |
-
2021
- 2021-09-24 CN CN202122325307.7U patent/CN216401565U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109987140B (en) | Automobile frame | |
| CN212267638U (en) | Longitudinal beam bends down and vehicle | |
| CN111891224B (en) | Front cabin structure and vehicle with same | |
| CN216401565U (en) | Vehicle rear floor front beam structure, vehicle floor structure and vehicle | |
| CN212332771U (en) | Front auxiliary frame of electric vehicle | |
| CN110588785A (en) | Longitudinal beam bends down and vehicle | |
| CN204956648U (en) | Hinge vehicle reinforcing plate, column assembly and car | |
| CN106828375B (en) | Front collision crossbeam | |
| CN215904271U (en) | Vehicle body front portion structure and automobile | |
| CN215826827U (en) | Front cross beam welding piece of automobile rear floor | |
| CN104477240A (en) | Front vertical beam reinforcing plate, right front vertical beam and automobile | |
| CN214396955U (en) | Automobile, automobile body and front longitudinal beam assembly thereof | |
| CN211167096U (en) | Preceding sub vehicle frame and vehicle | |
| CN218750998U (en) | Lightweight welding aluminum alloy sub vehicle frame | |
| CN219707120U (en) | Top cap front beam assembly additional strengthening and vehicle | |
| CN206704305U (en) | Engineering truck steel pipe crossbeam assembly | |
| CN217294664U (en) | New energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame | |
| CN205836946U (en) | A kind of non-homogeneous filled type endergonic structure of foamed aluminium | |
| CN220374349U (en) | Rear cross beam structure of front seat and vehicle | |
| CN220164002U (en) | Shock absorber, vehicle body structure and vehicle | |
| CN216994534U (en) | Vehicle body assembly and vehicle | |
| CN219707139U (en) | Rear floor skeleton assembly and vehicle | |
| CN217022681U (en) | Back wall inner plate structure and back wall plate mounting mechanism | |
| CN214930124U (en) | Floor structure for vehicle and vehicle with floor structure | |
| CN218536901U (en) | Rear floor framework, rear floor assembly and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |