CN117104352B - The rear floor of the vehicle body and the vehicle with it - Google Patents
The rear floor of the vehicle body and the vehicle with itInfo
- Publication number
- CN117104352B CN117104352B CN202311185439.1A CN202311185439A CN117104352B CN 117104352 B CN117104352 B CN 117104352B CN 202311185439 A CN202311185439 A CN 202311185439A CN 117104352 B CN117104352 B CN 117104352B
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- China
- Prior art keywords
- rear floor
- plate
- side plate
- outer side
- body structure
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2027—Floors or bottom sub-units in connection with other superstructure subunits the subunits being rear structures
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a vehicle body rear floor and a vehicle with the same, wherein the vehicle body rear floor comprises two rear longitudinal beams, two rear longitudinal beams extend back and forth and are arranged at intervals left and right; the rear floor is connected between the two rear longitudinal beams and positioned at the front side of the rear floor cross beam, and the spare tire pool is connected between the two rear longitudinal beams and positioned at the rear side of the rear floor cross beam, wherein the two rear longitudinal beams, the rear floor cross beam, the rear floor and the spare tire pool are integrally formed. According to the rear floor of the automobile body, the number of parts, dies and welding spots required by production can be reduced, the process complexity of the rear floor of the automobile body can be reduced, the overall weight and the production cost of the rear floor of the automobile body can be further reduced, and the production rate and the overall quality can be improved, so that the production cost of the automobile can be reduced, and the production speed and the market competitiveness of the automobile can be improved.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle body rear floor and a vehicle with the same.
Background
The floor structure behind the automobile body mostly adopts many punching press parts to weld and assemble into a whole at present, and wherein, the floor structure behind the automobile body mainly is by longeron, rear floor crossbeam welding formation about the rear floor among the prior art, welds the floor assembly behind the formation with the rear floor body again, and this kind of connected mode structure is complicated, and part quantity is many, and then has caused welding quality check point too much, problem that production efficiency is low.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the rear floor of the automobile body, which can reduce the number of parts, dies and welding spots required by production, reduce the process complexity of the rear floor of the automobile body, further reduce the overall weight and production cost of the rear floor of the automobile body, improve the production rate, reduce the risk of stress cracking of the rear floor of the automobile body, and improve the overall quality of the rear floor of the automobile body, thereby reducing the production cost of the automobile and improving the production speed and market competitiveness of the automobile.
The invention further provides a vehicle with the vehicle body rear floor.
The vehicle body rear floor comprises two rear longitudinal beams, a rear floor cross beam, a rear floor, a spare tire pool and a spare tire pool, wherein the two rear longitudinal beams extend forwards and backwards and are arranged at intervals in a left-right mode, the rear floor cross beam extends leftwards and rightwards, two ends of the rear floor cross beam are respectively connected with the two rear longitudinal beams, the rear floor is connected between the two rear longitudinal beams and is located on the front side of the rear floor cross beam, the spare tire pool is connected between the two rear longitudinal beams and is located on the rear side of the rear floor cross beam, and the two rear longitudinal beams, the rear floor cross beam, the rear floor and the spare tire pool are integrally formed.
According to the rear floor of the automobile body, the two rear longitudinal beams, the rear floor cross beam, the rear floor and the spare tire pool are integrally formed, so that the process complexity of the rear floor of the automobile body can be reduced, the production convenience of a floor automobile body structure is improved, meanwhile, the number of parts, dies and welding spots required for producing the rear floor of the automobile body can be reduced, the overall weight and production cost of the rear floor of the automobile body can be further reduced, the risk of stress cracking of the rear floor of the automobile body is reduced, the overall quality of the rear floor of the automobile body is improved, the production speed of the automobile can be improved, the production cost of the automobile is reduced, and the market competitiveness of the automobile is improved.
According to some embodiments of the invention, the two rear stringers, the rear floor cross member, the rear floor and the spare tire pool are integrally stamped.
According to some embodiments of the invention, the back longitudinal beam has a plate thickness of 1mm-1.5mm, and at least one of the back floor, the back floor cross member and the spare tire pool has a plate thickness of 0.6mm-1mm.
According to some embodiments of the present invention, the rear side member includes an inner panel portion, an outer panel portion, and a bottom panel portion, the inner panel portion and the outer panel portion are vertically disposed and extend front and rear, the inner panel portion and the outer panel portion are arranged at a left-right interval, and the bottom panel portion is horizontally disposed and connected between a lower end of the inner panel portion and a lower end of the outer panel portion.
According to some embodiments of the invention, a distance between an upper surface of the bottom plate portion and an upper end edge of the inner side plate portion or an upper end edge of the outer side plate portion in an up-down direction is 150mm to 170mm.
According to some embodiments of the invention, the vehicle body rear floor further comprises a plurality of reinforcing plates fixedly connected to the rear side member.
According to some embodiments of the invention, the plurality of reinforcement plates includes a first reinforcement plate provided at a rear end of the rear side member, the first reinforcement plate being provided at an upper side of the bottom plate portion and connected between the inner side plate portion and the outer side plate portion.
According to some embodiments of the invention, the plurality of reinforcement plates includes a second reinforcement plate connected to an upper side of the bottom plate portion and between the inner side plate portion and the outer side plate portion, the second reinforcement plate extending back and forth, a front end of the second reinforcement plate extending to a front end of the rear side member, and a rear end of the second reinforcement plate extending to a rear side of the rear floor cross member.
According to some embodiments of the invention, two ends of the rear floor cross member are respectively connected to the inner side plate parts of the two rear side members, the plurality of reinforcing plates include a third reinforcing plate, the third reinforcing plate is disposed on at least one side surface of the inner side plate part in the thickness direction, and the third reinforcing plate is right-left opposite to the end part of the rear floor cross member connected to the inner side plate part.
According to some embodiments of the invention, the rear floor of the vehicle body further comprises a rear shock-absorbing tower seat support, wherein the rear shock-absorbing tower seat support is connected with the rear longitudinal beam, the rear shock-absorbing tower seat support comprises a second support plate, the second support plate is horizontally arranged on the lower side of the bottom plate part and fixed with the bottom plate part, a shock-absorbing tower seat mounting part is formed on the second support plate, a first support plate is connected with the second support plate and extends upwards, and the first support plate is positioned on the outer side of the outer side plate part and fixedly connected with the outer side surface of the outer side plate part.
According to some embodiments of the invention, an end of the second support plate facing away from the first support plate extends to overlap the rear floor cross member.
A vehicle according to a second aspect of the invention includes the vehicle body rear floor according to the first aspect of the invention.
According to the vehicle of the present invention, by providing the vehicle body rear floor of the first aspect described above, the overall performance of the vehicle is improved.
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
FIG. 1 is a schematic view of a rear floor of a vehicle body according to an embodiment of the invention;
FIG. 2 is a schematic view of another angle of a rear floor of a vehicle body according to an embodiment of the invention;
FIG. 3 is a schematic view of yet another angle of a rear floor of a vehicle body according to an embodiment of the invention;
FIG. 4 is a partial schematic view of a rear floor of a vehicle body according to an embodiment of the invention;
FIG. 5 is a partial schematic view of another angle of a rear floor of a vehicle body according to an embodiment of the invention;
Fig. 6 is a partial schematic view of still another angle of the vehicle body rear floor according to the embodiment of the invention.
Reference numerals:
100. A rear floor of the vehicle body;
10. rear side members, 11, inner side plate portions, 12, outer side plate portions, 13, bottom plate portions;
20. A rear floor cross member;
30. a rear floor;
40. A spare tire pool;
50. reinforcing plate, 51, first reinforcing plate, 52, second reinforcing plate, 53, third reinforcing plate;
60. The rear shock-absorbing tower seat support comprises 62 parts of a second support plate and 61 parts of a first support plate.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
A vehicle body rear floor 100 according to an embodiment of the first aspect of the invention is described below with reference to fig. 1 to 6.
As shown in fig. 1, a vehicle body rear floor 100 according to an embodiment of the first aspect of the present invention includes two rear side members 10, a rear floor cross member 20, a rear floor 30, and a spare tire pool 40, the two rear side members 10 extending forward and backward and being arranged at a left-right interval, the rear floor cross member 20 extending left-right and having both ends respectively connected to the two rear side members 10, the rear floor 30 being connected between the two rear side members 10 and being located at a front side of the rear floor cross member 20, and the spare tire pool 40 being connected between the two rear side members 10 and being located at a rear side of the rear floor cross member 20, wherein the two rear side members 10, the rear floor cross member 20, the rear floor 30, and the spare tire pool 40 are integrally formed.
Specifically, the rear side member 10 is an important component for supporting a trunk and rear mounting members, the rear floor cross member 20 is used for securing torsional rigidity of a vehicle frame and bearing longitudinal load, and supporting main components of an automobile, the rear floor 30 is a rear and rear floor portion of a passenger compartment for mounting a rear seat, and the spare tire pool 40 is mainly used for placing spare tires.
The two rear stringers 10, the rear floor cross member 20, the rear floor 30 and the spare tire pool 40 are integrally formed, so that the connecting steps among the rear stringers 10, the rear floor cross member 20, the rear floor 30 and the spare tire pool 40 can be reduced, the process complexity of the rear floor 100 of the vehicle body can be further reduced, the production convenience of the floor body structure can be improved, meanwhile, the number of dies can be reduced, the die opening cost and the period can be reduced, the number of parts and welding spots required for connection among the components can be reduced, the overall weight and the production cost of the rear floor 100 of the vehicle body can be further reduced, the risk of stress cracking of the rear floor 100 of the vehicle body can be reduced, the overall quality of the rear floor 100 of the vehicle body can be improved, the production speed of the vehicle can be further reduced, the production cost of the vehicle can be further improved, and the market competitiveness of the vehicle can be improved.
According to the vehicle body rear floor 100 provided by the embodiment of the invention, the two rear longitudinal beams 10, the rear floor cross beam 20, the rear floor 30 and the spare tire pool 40 are integrally formed, so that the process complexity of the vehicle body rear floor 100 can be reduced, the production convenience of a floor vehicle body structure can be improved, and meanwhile, the number of parts, dies and welding spots required for producing the vehicle body rear floor 100 can be reduced, the overall weight and production cost of the vehicle body rear floor 100 can be further reduced, the risk of stress cracking of the vehicle body rear floor 100 can be reduced, the overall quality of the vehicle body rear floor 100 can be improved, the production speed of a vehicle can be improved, the production cost of the vehicle can be reduced, and the market competitiveness of the vehicle can be improved.
According to some embodiments of the present invention, the two rear stringers 10, the rear floor cross-member 20, the rear floor 30, and the spare tire pool 40 are integrally stamped and formed. Wherein, the press forming refers to a processing forming method for obtaining a workpiece (stamping part) with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by a press machine and a die to enable the plates, the strips, the pipes, the sectional materials and the like to generate plastic deformation or separation. The stamping forming process is simple, the manufacturing is convenient, the material consumption can be reduced, the manufacturing cost of the rear floor 100 of the vehicle body can be further reduced, meanwhile, the stamping part is light in weight and good in rigidity, the strength of the rear floor 100 of the vehicle body is ensured, the overall weight of the rear floor 100 of the vehicle body is reduced, and the load of the vehicle can be further reduced. Furthermore, the stamping part has higher dimensional accuracy and better interchangeability according to the die, can meet the general assembly and use requirements without further machining, and has better surface quality and smooth and attractive appearance because the surface of the material is not damaged in the stamping process, thereby providing convenient conditions for the processes of installation, welding and the like.
According to some embodiments of the invention, the thickness of the sheet material of the rear side rail 10 is 1mm-1.5mm. For example, the sheet thickness of the rear side member 10 may be 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, or 1.5mm. The rear longitudinal beam 10 is an important component for supporting the trunk and the rear mounting member, and needs higher strength, so that the thickness of the plate material of the rear longitudinal beam 10 is 1mm-1.5mm, the structural strength of the rear longitudinal beam 10 can be ensured, and the overall performance of the rear floor 100 of the vehicle body can be ensured. In addition, the thickness of the plate material of the rear side member 10 may be selected according to actual requirements.
According to some embodiments of the present invention, the sheet thickness of at least one of the rear floor 30, the rear floor cross member 20, and the spare tire pool 40 is 0.6mm to 1mm. Wherein, back floor 30, back floor crossbeam 20 and spare tyre pond 40 can select panel thickness according to its own performance demand, make its panel thickness when satisfying own performance demand, still can reduce overall cost and weight, and then can reduce the manufacturing cost and the load of vehicle to can improve the market competition of vehicle.
For example, the sheet thickness of at least one of the rear floor 30, the rear floor cross member 20, and the spare tire pool 40 may be 0.6mm, 0.7mm, 0.8mm, 0.9mm, or 1mm.
Further, the thicknesses of the plates of the rear longitudinal beam 10 and the rear floor 30, the rear floor cross beam 20 and the spare tire pool 40 are different, and the two rear longitudinal beams 10, the rear floor cross beam 20, the rear floor 30 and the spare tire pool 40 are integrally formed, so that the vehicle body rear floor 100 can be formed integrally by stamping by selecting variable-material-thickness metal plates based on performance requirements, the flexibility of the vehicle body rear floor 100 can be improved, the vehicle body rear floor 100 can meet various vehicle type frameworks, and the market competitiveness can be improved.
According to some embodiments of the present invention, as shown in fig. 4, the rear side member 10 includes an inner panel portion 11, an outer panel portion 12, and a bottom panel portion 13, the inner panel portion 11 and the outer panel portion 12 being vertically disposed and extending front and rear, the inner panel portion 11 and the outer panel portion 12 being arranged at a left-right interval, the bottom panel portion 13 being horizontally disposed and connected between a lower end of the inner panel portion 11 and a lower end of the outer panel portion 12. Specifically, the rear side member 10 extends back and forth, the rear side member 10 is formed as a groove with an opening at an upper side, and the cross section of the rear side member 10 is formed in a "U" shape, so that connection of the rear side member 10 with other components is facilitated, and at the same time, the cavity formed by the rear side member 10 can be used for transmitting and absorbing vibration energy, so that the NVH performance of the whole vehicle can be improved.
According to some embodiments of the present invention, a distance between the upper surface of the bottom plate portion 13 and the upper end edge of the inner side plate portion 11 or the upper end edge of the outer side plate portion 12 in the up-down direction is 150mm to 170mm. That is, the depth range of the inner groove of the rear side member 10 in the up-down direction is [150mm,170mm ], so that the possibility of occurrence of cracks in the side member molding can be reduced, and the production safety of the vehicle body rear floor 100 can be ensured.
For example, in the up-down direction, the interval between the upper surface of the bottom plate portion 13 and the upper end edge of the inner side plate portion 11 or the upper end edge of the outer side plate portion 12 may be 150mm, 160mm, or 170mm.
According to some embodiments of the present invention, as shown in fig. 1, the vehicle body rear floor 100 further includes a plurality of reinforcement plates 50, and the plurality of reinforcement plates 50 are fixedly coupled to the rear side member 10. For example, there may be two, three or more reinforcing plates 50, and a plurality of reinforcing plates 50 may be fixedly connected to the rear side member 10, so that the structural strength of the rear side member 10 may be increased, and thus the overall performance of the vehicle body rear floor 100 may be improved.
Alternatively, the reinforcing plate 50 may be connected to the rear floor 100 of the vehicle body in various manners, for example, welding, riveting, screwing, or the like may be used.
According to some embodiments of the present invention, as shown in fig. 1, the plurality of reinforcement plates 50 includes a first reinforcement plate 51, the first reinforcement plate 51 being provided at the rear end of the rear side member 10, the first reinforcement plate 51 being provided at the upper side of the bottom plate portion 13 and connected between the inner side plate portion 11 and the outer side plate portion 12. In this way, the first reinforcing plate 51 can increase the support strength of the rear side member 10 in the lateral direction, and can effectively reduce the problem of deformation instability of the rear side member 10 due to the external force.
For example, as shown in fig. 1 to 2, the first reinforcing plate 51 is provided in the groove of the rear side member 10, and the first reinforcing plate 51 is connected to the bottom plate portion 13, the inner plate portion 11 and the outer plate portion 12, respectively, so that the contact area between the first reinforcing plate 51 and the rear side member 10 can be increased, the supporting strength of the first reinforcing plate 51 to the rear side member 10 can be further increased, and the overall performance of the rear side member 10 can be further improved.
According to some embodiments of the present invention, as shown in fig. 1, the plurality of reinforcement plates 50 includes a second reinforcement plate 52, the second reinforcement plate 52 being connected to the upper side of the bottom plate portion 13 and between the inner side plate portion 11 and the outer side plate portion 12, the second reinforcement plate 52 extending back and forth, the front end of the second reinforcement plate 52 extending to the front end of the rear side member 10, and the rear end of the second reinforcement plate 52 extending to the rear side of the rear floor cross member 20. In this way, the supporting strength of the front part of the rear longitudinal beam 10 in the left-right direction can be increased, the problem that the front part of the rear longitudinal beam 10 is deformed and unstably caused by external force can be effectively reduced, meanwhile, the overall performance of the mounting points of the rear longitudinal beam 10 and the rear auxiliary frame can be increased, the local rigidity of the connecting position of the rear longitudinal beam 10 and the rear auxiliary frame can be increased, the assembly stability between the rear auxiliary frame and the rear longitudinal beam 10 can be improved, and the bearing strength and the structural stability of the rear longitudinal beam 10 can be improved.
Further, as shown in fig. 2, for example, the first reinforcing plate 51 and the second reinforcing plate 52 are arranged at intervals in the front-rear direction, and support the rear longitudinal beam 10 in sections, so that the structural strength of the rear floor 100 of the vehicle body is ensured, and meanwhile, the production difficulty of the rear floor 100 of the vehicle body can be reduced.
According to some embodiments of the present invention, as shown in fig. 1, both ends of the rear floor cross member 20 are respectively connected to the inner side plate portions 11 of the two rear side members 10, the plurality of reinforcing plates 50 includes a third reinforcing plate 53, the third reinforcing plate 53 is provided on at least one side surface of the inner side plate portion 11 in the thickness direction, and the third reinforcing plate 53 is right-left opposite to the end portions of the rear floor cross member 20 connected to the inner side plate portion 11. In this way, the continuity of the inner panel portion 11 can be increased, and further the force transmission effect and the supporting strength of the inner panel portion 11 can be increased, so that the superior overall performance of the rear side member 10 can be ensured.
According to some embodiments of the present invention, as shown in fig. 1 to 3, the rear floor panel 100 of the vehicle body further includes a rear shock-absorbing tower bracket 60, the rear shock-absorbing tower bracket 60 being connected to the rear side member 10, the rear shock-absorbing tower bracket 60 including a second support plate 62 horizontally disposed at a lower side of the bottom plate portion 13 and fixed to the bottom plate portion 13, the second support plate 62 having a shock-absorbing tower mounting portion formed thereon, and a first support plate 61 connected to the second support plate 62 and extending upward, the first support plate 61 being located at an outer side of the outer side plate portion 12 and fixedly connected to an outer side surface of the outer side plate portion 12.
Specifically, the rear shock-absorbing tower base support 60 is connected with the rear shock absorber, so that the impact of the road surface can be borne, the rear shock-absorbing tower base support 60 is connected with the rear longitudinal beam 10, and the force acted by the rear shock absorber can be transmitted to the rear longitudinal beam 10 through the rear shock-absorbing tower base support 60, so that the stress of the rear shock-absorbing tower base support 60 can be reduced, the dynamic stiffness of the rear shock-absorbing tower base support 60 is improved, and the stability and reliability of the installation of the shock absorber are improved.
Specifically, the second support plate 62 is connected with the first support plate 61 to form an L shape, and the second support plate 62 is connected with the first support plate 61 and the bottom plate portion 13 and the outer plate portion 12 of the rear side member 10 respectively, so that the contact area between the rear shock absorber tower base bracket 60 and the rear side member 10 can be increased, the force dispersibility can be further improved, the stress at the rear shock absorber tower base bracket 60 can be further reduced, the dynamic stiffness of the rear shock absorber tower base bracket 60 can be improved, and the stability and reliability of the installation of the shock absorber can be improved.
According to some embodiments of the present invention, as shown in fig. 3, an end of the second support plate 62 facing away from the first support plate 61 extends to overlap the rear floor cross member 20. Therefore, the force transmitted to the rear shock-absorbing tower bracket 60 can be continuously transmitted along two directions, wherein one transmission path is transmitted to the rear floor cross beam 20 along the second support plate 62, and the other transmission path is transmitted to the rear longitudinal beam 10 along the first support plate 61, so that the force can be dispersed to the whole rear floor 100 of the automobile body, the dynamic stiffness of the rear shock-absorbing tower bracket 60 is greatly improved, and the NVH performance of the whole automobile is improved.
A vehicle according to an embodiment of the second aspect of the invention includes the vehicle body rear floor 100 according to an embodiment of the first aspect of the invention.
According to the vehicle of the embodiment of the invention, by providing the vehicle body rear floor 100 of the embodiment of the first aspect described above, the overall performance of the vehicle is improved.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication, directly connected, or indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (9)
1. A rear floor body structure, comprising:
The two rear longitudinal beams extend back and forth and are arranged at intervals left and right;
The rear floor cross beam extends leftwards and rightwards, and two ends of the rear floor cross beam are respectively connected with the two rear longitudinal beams;
A rear floor connected between the two rear stringers and located at a front side of the rear floor cross member;
a spare tire pool connected between the two rear stringers and located at the rear side of the rear floor cross member,
Wherein the two rear stringers, the rear floor cross beam, the rear floor and the rear spare tire pool are integrally formed by stamping;
the rear longitudinal beam comprises an inner side plate part, an outer side plate part and a bottom plate part, wherein the inner side plate part and the outer side plate are vertically arranged and extend forwards and backwards, the inner side plate part and the outer side plate part are arranged at left and right intervals, the bottom plate part is horizontally arranged and connected between the lower end of the inner side plate part and the lower end of the outer side plate part,
The rear floor body structure further comprises a rear shock absorption tower seat support, the rear shock absorption tower seat support is connected with the rear longitudinal beam, the rear shock absorption tower seat support comprises a first support plate and a second support plate, the first support plate is horizontally arranged on the lower side of the bottom plate part and fixed with the bottom plate part, a shock absorption tower seat mounting part is formed on the first support plate, the second support plate is connected with the first support plate and extends upwards, and the second support plate is located on the outer side of the outer side plate part and fixedly connected with the outer side surface of the outer side plate part.
2. The rear floor body structure according to claim 1, wherein a plate thickness of the rear side member is 1mm to 1.5mm, and/or a plate thickness of at least one of the rear floor, the rear floor cross member, and the rear tire pool is 0.6mm to 1mm.
3. The rear floor body structure according to claim 1, wherein a distance between an upper surface of the bottom plate portion and an upper end edge of the inner side plate portion or an upper end edge of the outer side plate portion in the up-down direction is 150mm to 170mm.
4. The rear floor body structure of claim 1, further comprising a plurality of reinforcement panels fixedly attached to said rear side rail.
5. The rear floor body structure according to claim 4, wherein the plurality of reinforcement plates includes a first reinforcement plate provided at a rear end of the rear side member, the first reinforcement plate being provided on an upper side of the bottom plate portion and connected between the inner side plate portion and the outer side plate portion.
6. The rear floor body structure according to claim 4, wherein the plurality of reinforcement plates includes a second reinforcement plate that is connected to an upper side of the bottom plate portion and between the inner side plate portion and the outer side plate portion, the second reinforcement plate extending back and forth, a front end of the second reinforcement plate extending to a front end of the rear side member, and a rear end of the second reinforcement plate extending to a rear side of the rear floor cross member.
7. The rear floor body structure according to claim 4, wherein both ends of the rear floor cross member are connected to the inner panel portions of the two rear side members, respectively,
The plurality of reinforcing plates comprise a third reinforcing plate, the third reinforcing plate is arranged on at least one side surface of the inner side plate part in the thickness direction, and the third reinforcing plate is right-left opposite to the end part of the rear floor cross beam connected with the inner side plate part.
8. The rear floor body structure of claim 1, wherein an end of the first brace facing away from the second brace extends to overlap the rear floor cross member.
9. A vehicle characterized by comprising the rear floor body structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311185439.1A CN117104352B (en) | 2023-09-13 | 2023-09-13 | The rear floor of the vehicle body and the vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311185439.1A CN117104352B (en) | 2023-09-13 | 2023-09-13 | The rear floor of the vehicle body and the vehicle with it |
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| Publication Number | Publication Date |
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| CN117104352A CN117104352A (en) | 2023-11-24 |
| CN117104352B true CN117104352B (en) | 2025-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311185439.1A Active CN117104352B (en) | 2023-09-13 | 2023-09-13 | The rear floor of the vehicle body and the vehicle with it |
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| CN207550324U (en) * | 2017-12-13 | 2018-06-29 | 广东亚太新材料科技有限公司 | Spare tyre pool structure in floor after a kind of vehicle body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353162A (en) * | 2021-06-30 | 2021-09-07 | 浙江零跑科技股份有限公司 | Spare tire groove structure |
| CN114789754A (en) * | 2021-08-13 | 2022-07-26 | 长城汽车股份有限公司 | Lower vehicle body rear structure |
| CN220948218U (en) * | 2023-09-13 | 2024-05-14 | 广州汽车集团股份有限公司 | Floor behind automobile body and have its vehicle |
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| CN117104352A (en) | 2023-11-24 |
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