CN217918137U - Front floor assembly structure, automobile body and vehicle - Google Patents
Front floor assembly structure, automobile body and vehicle Download PDFInfo
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- CN217918137U CN217918137U CN202221890274.9U CN202221890274U CN217918137U CN 217918137 U CN217918137 U CN 217918137U CN 202221890274 U CN202221890274 U CN 202221890274U CN 217918137 U CN217918137 U CN 217918137U
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Abstract
The application relates to a preceding floor assembly structure, automobile body and vehicle, preceding floor assembly structure includes: the sill beam is provided with two channels at intervals; the middle channel beam is arranged between the two threshold beams; the torsion box is arranged on the two threshold beams in a spanning mode and connected with the middle channel beam, and the torsion box is positioned at the same end of the two threshold beams; the seat beams are arranged on the two threshold beams in a spanning mode and are arranged at intervals, and the two seat beams are arranged on the same side of the torsion box and are connected with the middle channel beam; wherein, twice threshold roof beam, well passageway roof beam and twice seat roof beam are aluminium section bar spare, and the torsion box is the aluminium casting spare. The application provides a preceding floor assembly structure is three horizontal three longitudinal construction, compares in the preceding floor assembly structure that adopts the cast torsion box of non-integral type at present, has simple effectual biography power route when it receives the collision, therefore the light-weighted, the preceding floor assembly structure that integrates that this embodiment provided can keep higher rigidity and intensity and the crash performance of preferred.
Description
Technical Field
The application relates to the technical field of vehicle bodies, in particular to a front floor assembly structure, a vehicle body and a vehicle.
Background
At present, the mainstream direction of automobile body design is light weight and integration, the light weight reduces the whole dead weight of the automobile body to promote power and reduce oil consumption, and the integration reduces the number of parts of the automobile body. For this reason, the present vehicle body components are usually manufactured by combining aluminum castings, aluminum profiles, and aluminum stampings, including the front floor assembly structure of the vehicle body.
However, as a load-bearing structure of a vehicle body, high rigidity and strength and good collision performance need to be ensured, and for the current light-weight and integrated front floor assembly structure, the requirement still has a large lifting space.
SUMMERY OF THE UTILITY MODEL
Based on this, the application provides a front floor assembly structure, automobile body and vehicle to improve the not high and not good problem of crash performance of lightweight, integrated front floor assembly structural rigidity and intensity among the prior art.
In a first aspect, the present application provides a front floor assembly structure comprising:
the sill beam is provided with two channels at intervals;
the middle channel beam is arranged between the two threshold beams;
the torsion box is arranged on the two threshold beams in a spanning mode and connected with the middle channel beam, and the torsion box is positioned at the same end of the two threshold beams; and
the seat beams are arranged on the threshold beams in a spanning mode and are arranged at intervals, and the seat beams are arranged on the same side of the torsion box and are connected with the middle channel beam;
wherein, twice threshold roof beam well passageway roof beam and twice the seat roof beam is aluminium section bar spare, the torsion box is aluminium casting.
In one embodiment, the torsion box comprises a torsion box body and a reserved part arranged on the torsion box body, wherein the reserved part corresponds to the threshold beam and is connected with the threshold beam through a first connecting piece.
In one embodiment, a first structural member is arranged at the joint of the torque box body and the center channel beam, the first structural member is connected with the torque box body and the center channel beam through a second connecting piece, and the first structural member is a sheet metal part.
In one embodiment, the seat beam and the center channel beam are bonded by structural adhesive.
In one embodiment, the seat beam is threaded through the center channel beam.
In one of them embodiment, the seat roof beam with the junction of threshold roof beam is provided with the second structure, the second structure through the third connecting piece with the seat roof beam with the threshold roof beam is connected, the second structure is the sheet metal component.
In one embodiment, the front floor assembly structure further comprises a floor skin, an opening is formed by enclosing the two threshold beams, the center channel beam, the torsion box and the two seat beams, the floor skin is arranged at the opening and closes the opening, and the floor skin is an aluminum stamping part.
In one embodiment, the floor skin is riveted to the threshold beam, the centre tunnel beam, the torsion box and the seat beam.
In a second aspect, the present application provides a vehicle body including any one of the front floor assembly structures provided herein.
In a third aspect, the present application provides a vehicle comprising any one of the bodies provided herein.
The application provides a preceding floor assembly structure, two threshold roof beams, well passageway roof beam, torsion box and two seat roof beams can constitute three horizontal three longitudinal constructions, compares in the preceding floor assembly structure who adopts non-integral cast torsion box at present, has simple effectual biography power route when it receives the collision, and therefore the lightweight that this embodiment provided, the preceding floor assembly structure that integrates can keep higher rigidity and intensity and the crash performance of preferred.
Drawings
Fig. 1 is a schematic structural diagram of a front floor assembly structure according to an embodiment of the present disclosure;
fig. 2 is an exploded view of a front floor assembly structure according to an embodiment of the present disclosure.
Reference numerals: 1. a threshold beam; 2. a center channel beam; 3. a torque box; 31. a torque box body; 32. reserving a part; 4. a seat beam; 5. a first structural member; 6. a second structural member; 7. a floor covering.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that the illustration provided in the present embodiment is only for schematically illustrating the basic idea of the present invention.
The structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any structural modification, proportion relation change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention.
References in this specification to "upper", "lower", "left", "right", "middle", "longitudinal", "lateral", "horizontal", "inner", "outer", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are for convenience only to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example one
The present embodiment provides a front floor assembly structure, which includes:
the sill beam 1 is provided with two channels at intervals;
a center tunnel beam 2 disposed between two sill beams 1;
the torsion box 3 is arranged on the two threshold beams 1 in a spanning mode and connected with the middle channel beam 2, and the torsion box 3 is located at the same end of the two threshold beams 1; and
the seat beams 4 are arranged on the threshold beams 1 in a spanning mode and are arranged at intervals, and the seat beams 4 are arranged on the same side of the torsion box 3 and are connected with the middle channel beam 2;
wherein, twice threshold roof beam 1 in the well passageway roof beam 2 and twice seat roof beam 4 is aluminium section bar spare, torsion box 3 is the aluminium casting.
In the present embodiment, it is exemplarily explained that the extension direction of the rocker beam 1 is the longitudinal direction of the vehicle body, and two rocker beams 1 are arranged in parallel and spaced apart. The torsion box 3 and the two seat beams 4 are arranged on the two threshold beams 1 in a spanning manner, wherein the torsion box 3 is arranged at the same end part of the two threshold beams 1, and the end part is the end part close to the front face of the vehicle body; the two seat beams 4 are arranged in parallel and at intervals and are located in the middle of the two rocker beams 1, which are used for mounting seats. As for the center tunnel beam 2, which is disposed between the two rocker beams 1 and has a length smaller than that of the two rocker beams 1, specifically, the center tunnel beam 2 extends from the torsion box 3 to the seat beam 4, which is distant from the torsion box 3, and the center tunnel beam 2 is parallel to the rocker beams 1.
It can be understood that, in the front floor assembly structure provided by the embodiment, since the torsion box 3 is an aluminum casting and the beam structure is an aluminum profile, the torsion box 3 can be formed at one time, and the beam structure can also be formed at one time to form a closed section, so as to improve the bearing strength of the beam structure; compared with a torsion box 3 and a beam type structure which are integrated by a plurality of sheet metal parts, the embodiment can reduce the investment of a die and simplify the production and preparation processes. Meanwhile, the front floor assembly structure is made of aluminum alloy materials, and the density of the front floor assembly structure is about one third of that of steel materials, so that the embodiment can achieve the effect of light weight.
It can be further understood that the front floor assembly structure provided by the present application, the two threshold beams 1, the center tunnel beam 2, the torsion box 3 and the two seat beams 4 can form a three-horizontal three-vertical structure, and compared with the current front floor assembly structure using the non-integral type cast torsion box 3 (the torsion box 3 includes a plurality of aluminum castings), the front floor assembly structure has a simple and effective force transmission path when being collided; specifically, when the front floor assembly structure provided by the embodiment is subjected to a frontal collision, the torsion box 3, the center tunnel beam 2 and the two sill beams 1 can be sequentially used as force transmission paths; when the front floor assembly structure is impacted from the side, the threshold beam 1 and the torsion box 3 which are close to the impact position, the two seat beams 4 and the threshold beam 1 which is far from the impact position can be sequentially used as a force transmission path. Therefore, the light-weight and integrated front floor assembly structure provided by the embodiment can keep higher rigidity and strength and better collision performance.
Specifically, the torsion box 3 includes a torsion box body 31 and a reserved part 32 disposed on the torsion box body 31, and the reserved part 32 corresponds to the threshold beam 1 and is connected to the threshold beam 1 through a first connecting member.
In the present embodiment, it is exemplarily explained that the torque box body 31 is provided as a columnar structure, and its interior is designed to be light in weight to further reduce the self weight of the torque box body 31. The torsion box body 31 includes a plurality of groups of stiffening plates connected in a vertical and horizontal manner to ensure the structural strength and rigidity of the torsion box body 31. The first connecting pieces are two and respectively located at two ends of the torque box body 31, and the first connecting pieces and the torque box body 31 are integrally formed. The reserved part 32 is used for connecting the torsion box body 31 and the threshold beam 1, and a first connecting part for connecting the reserved part 32 and the threshold beam 1 is specifically a connecting bolt.
Of course, in some embodiments, the first connector may also be a pin, rivet, or the like.
It can be understood that, this embodiment connects torsion box body 31 and threshold roof beam 1 through first connecting piece, compares in traditional steel electric welding, and it has higher joint strength to the holistic anti torsional property of front floor assembly structure has been improved, and meanwhile, has guaranteed the biography power effect between torsion box 3 and the threshold roof beam 1, with the frontal impact performance of effectively improving front floor assembly structure.
More specifically, a first structural member 5 is disposed at a joint of the torsion box body 31 and the center tunnel beam 2, the first structural member 5 is connected with the torsion box body 31 and the center tunnel beam 2 through a second connecting member, and the first structural member 5 is a sheet metal part.
In the present embodiment, it is exemplarily explained that the first structural member 5 is provided as a plate material, and the shape of the first structural member 5 after being formed of a metal plate is required to satisfy: at least partially covers the center channel beam 2 and at least partially abuts against the torsion box body 31. The second connecting member for connecting the first structural member 5 with the torque box body 31 and the center channel beam 2 is specifically a Flow Drill Screw (FDS), which can generate a large screwing torque due to the threaded contact surface, thereby enhancing the stability of the connection.
It can be understood that, in the present embodiment, the first structural member 5 connects the torsion box body 31 and the center tunnel beam 2, and the second connecting member connects the first structural member 5 with the torsion box body 31 and the center tunnel beam 2, compared to the conventional electric welding steel, the present embodiment has stronger connection strength, and the overall torsion resistance of the front floor assembly structure is improved, and at the same time, the force transfer effect between the torsion box 3 and the center tunnel beam 2 can be ensured, so as to further improve the front collision performance of the front floor assembly structure.
Specifically, the seat beam 4 and the center tunnel beam 2 are bonded by structural adhesive.
In the embodiment, it is exemplarily illustrated that the structural adhesive is an adhesive with high strength, strong bearing capacity, fatigue resistance and corrosion resistance, and the seat beam 4 and the center channel beam 2 are bonded by the structural adhesive, so that the effect of light weight can be further improved on the premise of ensuring the rigidity and strength requirements of the whole front floor assembly structure.
Of course, in some embodiments, the seat beam 4 and the center channel beam 2 may also be connected by pins, rivets, or the like.
More specifically, the seat beam 4 is threaded onto the center tunnel beam 2.
In the present embodiment, it is exemplarily explained that the height of the seat beam 4 is smaller than that of the center tunnel beam 2, and the seat beam 4 is inserted through the bottom side of the center tunnel beam 2, wherein one seat beam 4 is inserted through the middle of the center tunnel beam 2, and the other seat beam 4 is partially inserted through one end of the center tunnel beam 2 away from the torsion box 3.
It can be understood that, in the embodiment, the seat beam 4 is arranged on the center tunnel beam 2 in a penetrating manner, which not only facilitates the bonding fixation of the seat beam 4 and the center tunnel beam 2, but also improves the rigidity and strength of the whole structure of the front floor assembly after the bonding fixation.
Specifically, seat roof beam 4 with the junction of threshold roof beam 1 is provided with second structure 6, second structure 6 through the third connecting piece with seat roof beam 4 with threshold roof beam 1 is connected, second structure 6 is the sheet metal component.
In the present embodiment, it is exemplarily illustrated that the second structural member 6 is also provided as a plate material, and the shape of the second structural member 6 after being formed by a sheet metal is required to satisfy: at least partially covering the seat beam 4 and at least partially abutting against the rocker beam 1. Each seat beam 4 is correspondingly provided with two second structural members 6, that is, four second structural members 6 are provided in the present embodiment, and each two second structural members 6 are respectively provided at two ends of the seat beam 4 corresponding thereto. While the third connecting element connecting the second structural element 6 with the seat beam 4 and the threshold beam 1 is likewise embodied as a drill screw in order to ensure the stability of the connection.
In some embodiments, the second and third connecting members may be regular hexagon bolts, and in this case, through holes for the second and third connecting members to pass through are reserved at the joints of the second structural member 6, the seat beam 4 and the threshold beam 1.
It can be understood that, in this embodiment, the seat beam 4 and the threshold beam 1 are connected through the second structural member 6, and the second machine member is connected with the seat beam 4 and the threshold beam 1 through the third connecting member, compared with the conventional steel electric welding, the connecting strength is stronger, and the torsion resistance of the whole front floor assembly structure is improved, and at the same time, the force transmission effect between the seat beam 4 and the threshold beam 1 can be ensured, so as to effectively improve the side collision performance of the front floor assembly structure.
Specifically, the front floor assembly structure further comprises a floor skin 7, the two doorsill beams 1, the center tunnel beam 2, the torsion box 3 and the two seat beams 4 are enclosed to form an opening, the floor skin 7 is arranged at the opening and closes the opening, and the floor skin 7 is an aluminum stamping part.
In the present embodiment, it is exemplarily illustrated that the two rocker beams 1 and the center tunnel beam 2 extend along the length direction of the vehicle body, and the torsion box 3 and the two seat beams 4 extend along the width direction of the vehicle body, so that the two rocker beams 1 and the center tunnel beam 2 are perpendicular to the torsion box 3 and the two seat beams 4 and enclose a rectangular opening, the floor skin 7 is also configured to be rectangular, and the middle portion of the floor skin 7 is stamped and formed with a reinforcing rib to enhance the structural rigidity and strength of the floor skin 7.
It can be understood that the floor covering 7 is used for closing the opening between the main force transmission components of the front floor assembly structure, and as the non-main force transmission component, the dead weight of the front floor assembly structure can be reduced by adopting a stamping forming mode so as to further improve the effect of light weight.
More specifically, the floor skin 7 is riveted to the rocker beam 1, the center tunnel beam 2, the torsion box 3, and the seat beam 4.
In the embodiment, it is exemplarily illustrated that the outer edge of the floor skin 7 abuts against the sill beam 1, the center tunnel beam 2, the torsion box 3 and the seat beam 4, and then the abutting part is riveted and fixed by a rivet to realize the installation of the floor skin 7 at the opening. It will be appreciated that the floor covering 7 is riveted, which provides a stronger connection than conventional steel welding.
The implementation principle of the first embodiment of the present application is as follows:
when the front floor assembly structure is prepared, the torsion box 3 is formed by aluminum casting, and the threshold beam 1, the middle channel beam 2 and the seat beam 4 are formed by aluminum profiles; at the same time, the floor skin 7 is aluminium-stamped. Then, the reserved part 32 on the torsion box 3 is connected with the threshold beam 1 through a first connecting piece; the torsion box body 31 and the center channel beam 2 are connected through the first structural member 5, and the first structural member 5 is connected with the torsion box body 31 and the center channel beam 2 through the second connecting member during connection. And then the threshold beam 1 is arranged on the middle channel beam 2 in a penetrating way, and the threshold beam 1 and the middle channel beam 2 are fixedly bonded through structural adhesive. The seat beam 4 and the threshold beam 1 are then connected by means of the second structural part 6, and during the connection, the second structural part 6 is connected with the seat beam 4 and the threshold beam 1 by means of a third connecting part. And then, installing the floor skin 7 at an opening formed by enclosing the components, and riveting and fixing the floor skin 7 and the components.
The application provides a preceding floor assembly structure, two threshold roof beams 1, well passageway roof beam 2, torsion box 3 and two seat roof beams 4 can constitute three horizontal three longitudinal constructions, compare in the preceding floor assembly structure that adopts non-integral cast torsion box 3 (torsion box 3 includes a plurality of aluminium casting) at present, it has simple effectual biography power route when receiving the collision, therefore the light-weighted, the preceding floor assembly structure that integrates that this embodiment provided can keep higher rigidity and intensity and the crash performance of preferred.
Example two
The present embodiments provide a vehicle body that includes any one of the front floor assembly structures provided herein.
EXAMPLE III
The embodiment provides a vehicle, the vehicle includes any one automobile body that this application provided.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (10)
1. A front floor assembly structure, characterized in that the front floor assembly structure comprises:
the doorsill beam (1) is provided with two channels at intervals;
a center tunnel beam (2) disposed between the two sill beams (1);
the torsion box (3) is arranged on the two threshold beams (1) in a spanning mode and connected with the middle channel beam (2), and the torsion box (3) is located at the same end of the two threshold beams (1); and
the seat beams (4) are arranged on the threshold beams (1) in a spanning mode and are arranged at intervals, and the seat beams (4) are arranged on the same side of the torsion box (3) and are connected with the middle channel beam (2);
wherein, twice threshold roof beam (1) well passageway roof beam (2) and twice seat roof beam (4) are the aluminium section bar spare, torsion box (3) are the aluminium casting.
2. Front floor assembly structure according to claim 1, characterized in that the torsion box (3) comprises a torsion box body (31) and a reserved piece (32) provided on the torsion box body (31), the reserved piece (32) corresponding to the threshold beam (1) and being connected to the threshold beam (1) by a first connecting piece.
3. The front floor assembly structure according to claim 2, characterized in that a first structural member (5) is arranged at a joint of the torsion box body (31) and the center tunnel beam (2), the first structural member (5) is connected with the torsion box body (31) and the center tunnel beam (2) through a second connecting member, and the first structural member (5) is a sheet metal part.
4. Front floor assembly structure according to claim 1, characterized in that the seat beam (4) and the centre channel beam (2) are bonded by means of structural glue.
5. Front floor assembly structure according to claim 4, characterized in that the seat beam (4) is threaded onto the center tunnel beam (2).
6. Front floor assembly structure according to claim 1, characterized in that the connection of the seat beam (4) and the threshold beam (1) is provided with a second structural part (6), which second structural part (6) is connected with the seat beam (4) and the threshold beam (1) by a third connection, which second structural part (6) is a sheet metal part.
7. The front floor assembly structure according to claim 1, further comprising a floor skin (7), wherein an opening is defined by the two rocker beams (1), the center tunnel beam (2), the torsion box (3) and the two seat beams (4), the floor skin (7) is disposed at the opening and closes the opening, and the floor skin (7) is an aluminum stamping.
8. Front floor assembly structure according to claim 7, characterized in that the floor skin (7) is riveted with the threshold beam (1), the centre tunnel beam (2), the torsion box (3) and the seat beam (4).
9. A vehicle body characterized in that it comprises a front floor assembly structure according to any one of claims 1 to 8.
10. A vehicle characterized in that it comprises a body according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890274.9U CN217918137U (en) | 2022-07-21 | 2022-07-21 | Front floor assembly structure, automobile body and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890274.9U CN217918137U (en) | 2022-07-21 | 2022-07-21 | Front floor assembly structure, automobile body and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217918137U true CN217918137U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221890274.9U Active CN217918137U (en) | 2022-07-21 | 2022-07-21 | Front floor assembly structure, automobile body and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217918137U (en) |
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2022
- 2022-07-21 CN CN202221890274.9U patent/CN217918137U/en active Active
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