CN113998009A - Automobile and rear floor framework assembly thereof - Google Patents
Automobile and rear floor framework assembly thereof Download PDFInfo
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- CN113998009A CN113998009A CN202111551751.9A CN202111551751A CN113998009A CN 113998009 A CN113998009 A CN 113998009A CN 202111551751 A CN202111551751 A CN 202111551751A CN 113998009 A CN113998009 A CN 113998009A
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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
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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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Abstract
The invention relates to the technical field of automobiles, in particular to an automobile and a rear floor framework assembly thereof, and aims to solve the problems that the conventional automobile rear floor framework assembly cannot meet the rear high-low speed collision requirement of the automobile and the strength, durability and torsional rigidity need to be improved. For the purpose, the rear floor framework assembly comprises a left longitudinal beam structure, a right longitudinal beam structure, a front cross beam, a middle cross beam, a rear cross beam, a middle left longitudinal beam structure and a middle right longitudinal beam structure, and forms a left Y-shaped force transmission structure and a right Y-shaped force transmission structure, wherein the left longitudinal beam structure is provided with a first left reinforcing structure and a second left reinforcing structure which extend upwards and are arranged side by side, and the right longitudinal beam structure is provided with a first right reinforcing structure and a second right reinforcing structure which extend upwards and are arranged side by side. The invention can solve the problem of rear collision of the automobile, effectively protect the safety of personnel in the rear collision process of the automobile, improve the strength durability and the torsion performance of the automobile and simplify the structure of the automobile body.
Description
Technical Field
The invention relates to the technical field of automobiles, and particularly provides an automobile and a rear floor framework assembly thereof.
Background
The automobile rear floor is an important part of an automobile body, and forms a floor structure of an automobile together with a front floor, the automobile rear floor generally comprises a rear floor framework assembly, a rear floor panel assembly and a rear coaming assembly, the rear floor framework assembly is used as a bearing structure for bearing structures such as an automobile rear seat, a trunk and the like, has very high requirements on performances such as torsional rigidity, strength durability and the like, and plays a vital role in automobile rear collision.
In the prior art, the left side and the right side of the automobile framework assembly bear the transmission of structural force during rear collision through a longitudinal beam structure respectively, so that a rear energy absorption structure connected with the automobile framework assembly is generally longer, the energy absorption effect is ensured, and the length of the whole automobile can be improved in the mode. With the continuous development and popularization of electric automobiles, in order to ensure that a battery realizing high mileage has enough arrangement space and increase the wheel base, a rear energy absorption structure can only be shortened, so that the conventional automobile rear floor framework assembly cannot meet the collision requirement of high and low speeds (80km/h, RCAR) of the automobile, cannot ensure the safety of passengers in high-speed collision and cannot meet the collision maintenance economy at low speed, and the strength, durability and torsional rigidity of the automobile framework assembly also need to be further improved.
In view of the above, there is a need in the art for a new vehicle and rear floor frame assembly thereof to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problems that the existing automobile rear floor framework assembly cannot meet the rear high-low speed collision requirement of an automobile and the strength, durability and torsional rigidity need to be improved.
In a first aspect, the present invention provides a rear floor frame assembly of an automobile, the rear floor frame assembly includes a left longitudinal beam structure, a right longitudinal beam structure, a front cross beam, a middle cross beam, a rear cross beam, a middle left longitudinal beam structure, a middle right longitudinal beam structure, two ends of the front cross beam are respectively connected with a front end of the left longitudinal beam structure and a front end of the right longitudinal beam structure, two ends of the middle cross beam are respectively connected with a middle portion of the left longitudinal beam structure and a middle portion of the right longitudinal beam structure, two ends of the rear cross beam are respectively connected with a rear end of the left longitudinal beam structure and a rear end of the right longitudinal beam structure,
the middle left longitudinal beam structure and the middle right longitudinal beam structure are connected between the front cross beam and the middle cross beam, the middle left longitudinal beam structure is arranged by gradually extending towards the right from the back to the front, the rear end of the middle left longitudinal beam structure is arranged close to the intersection of the middle cross beam and the left longitudinal beam structure so that the left longitudinal beam structure and the middle left longitudinal beam structure jointly form a left Y-shaped force transmission structure, the middle right longitudinal beam structure is arranged by gradually extending towards the left from the back to the front, the rear end of the middle right longitudinal beam structure is arranged close to the intersection of the middle cross beam and the right longitudinal beam structure so that the right longitudinal beam structure and the middle right longitudinal beam structure jointly form a right Y-shaped force transmission structure,
the left longitudinal beam is structural, the left longitudinal beam structure with the intersection of centre sill is provided with the first left additional strengthening and the left additional strengthening of second that upwards extend and set up side by side, the right longitudinal beam is structural the right longitudinal beam structure with the intersection of centre sill is provided with the first right additional strengthening and the right additional strengthening of second that upwards extend and set up side by side, first left additional strengthening with the left side additional strengthening of second all with the left rear wheel casing assembly of car is connected, first right additional strengthening with the right side additional strengthening of second all with the right rear wheel casing assembly of car is connected.
In the preferred technical scheme of the rear floor frame assembly, two ends of the front cross beam are respectively and integrally arranged with the front end of the left longitudinal beam structure and the front end of the right longitudinal beam structure, two ends of the middle cross beam are respectively and integrally arranged with the middle part of the left longitudinal beam structure and the middle part of the right longitudinal beam structure, two ends of the rear cross beam are respectively and integrally arranged with the rear end of the left longitudinal beam structure and the rear end of the right longitudinal beam structure,
the front end of the middle left longitudinal beam structure and the front end of the middle right longitudinal beam structure are integrally arranged with the front cross beam, and the rear end of the middle left longitudinal beam structure and the rear end of the middle right longitudinal beam structure are integrally arranged with the middle cross beam.
In the preferable technical scheme of the rear floor frame assembly, the front cross beam comprises a left front cross beam and a right front cross beam which are connected, the middle cross beam comprises a left middle cross beam and a right middle cross beam which are connected, the rear cross beam comprises a left rear cross beam and a right rear cross beam which are connected,
the left longitudinal beam structure, the left front cross beam, the left middle cross beam, the left rear cross beam and the middle left longitudinal beam structure form a left rear floor framework which is integrally arranged together,
the right longitudinal beam structure, the right front cross beam, the right middle cross beam, the right rear cross beam and the middle right longitudinal beam structure jointly form an integrally arranged right rear floor framework.
In the preferable technical scheme of the rear floor frame assembly, the left rear floor frame and the right rear floor frame are both high-pressure cast aluminum frames.
In the preferred technical solution of the above rear floor frame assembly, the first left reinforcement structure and the second left reinforcement structure are both integrally provided with the left side rail structure, the first left reinforcement structure and the second left reinforcement structure are integrally provided,
the first right reinforcing structure and the second right reinforcing structure are integrally arranged with the right longitudinal beam structure, and the first right reinforcing structure and the second right reinforcing structure are integrally arranged.
In the preferable technical solution of the rear floor frame assembly, the first left reinforcing structure is located at the intersection of the left longitudinal beam structure and the middle cross beam, the second left reinforcing structure is located at the rear side of the first left reinforcing structure, the second left reinforcing structure is connected with the left rear shock absorber of the automobile,
the first right reinforcing structure is located at the intersection of the right longitudinal beam structure and the middle cross beam, the second right reinforcing structure is located on the rear side of the first right reinforcing structure, and the second right reinforcing structure is connected with the right rear shock absorber of the automobile.
In the preferred technical solution of the rear floor frame assembly, the left longitudinal beam structure is formed with a longitudinally arranged first channel, a longitudinally arranged first main reinforcing rib is formed in the first channel, the first main reinforcing rib extends towards the upper wall and the lower wall of the first channel respectively and is provided with a plurality of first sub reinforcing ribs, the angles of all the first sub reinforcing ribs are not completely the same,
the right longitudinal beam structure is provided with a second channel which is longitudinally arranged, a second main reinforcing rib which is longitudinally arranged is formed in the second channel, the second main reinforcing rib extends towards the upper wall and the lower wall of the second channel respectively to be provided with a plurality of second sub reinforcing ribs, and angles of all the second sub reinforcing ribs are not completely the same.
In a second aspect, the present invention also provides an automobile comprising the rear floor frame assembly as described above,
the left rear wheel cover assembly comprises a left rear wheel cover, a first left rear wheel cover reinforcing structure and a second left rear wheel cover reinforcing structure, the first left rear wheel cover reinforcing structure and the second left rear wheel cover reinforcing structure are both arranged on the left rear wheel cover, the first left reinforcing structure is connected with the first left rear wheel cover reinforcing structure, the second left reinforcing structure is connected with the second left rear wheel cover reinforcing structure,
the right rear wheel cover assembly comprises a right rear wheel cover, a first right rear wheel cover reinforcing structure and a second right rear wheel cover reinforcing structure, the first right rear wheel cover reinforcing structure and the second right rear wheel cover reinforcing structure are arranged on the right rear wheel cover, the first right reinforcing structure is connected with the first right rear wheel cover reinforcing structure, and the second right reinforcing structure is connected with the second right rear wheel cover reinforcing structure.
In the above preferred embodiment of the vehicle, the first left reinforcement structure is a channel structure having a cavity, a part of the first left rear wheel house reinforcement structure is disposed in the cavity of the first left reinforcement structure,
the second left reinforcement structure is a channel structure having a cavity, a portion of the second left rear wheel house reinforcement structure is disposed in the cavity of the second left reinforcement structure,
the first right reinforcing structure is a channel structure having a cavity, a portion of the first right rear wheel house reinforcing structure is disposed in the cavity of the first right reinforcing structure,
the second right reinforcing structure is a channel structure having a cavity, and a portion of the second right rear wheel house reinforcing structure is disposed in the cavity of the second right reinforcing structure.
In the above preferred embodiment of the vehicle, the first left rear wheel house reinforcing structure is a tunnel structure having a cavity,
the second left rear wheel house reinforcing structure is a channel structure having a cavity,
the first right rear wheel house reinforcing structure is a channel structure having a cavity,
the second right rear wheel casing reinforcing structure is a channel structure with a cavity.
Under the condition of adopting the technical scheme, the automobile rear floor framework assembly can improve the energy absorption effect through the left Y-shaped force transmission structure formed by the left longitudinal beam structure and the middle left longitudinal beam structure together and the right Y-shaped force transmission structure formed by the right longitudinal beam structure and the middle right longitudinal beam structure together, effectively share the rear collision force of an automobile, solve the problem of short rear energy absorption structure caused by long axle distance and short rear overhang, further solve the problem of rear high-low speed collision of the automobile, effectively protect the personnel safety in the rear high-speed collision process of the automobile, and ensure that the rear floor framework cannot be damaged in the low-speed collision process, thereby being free of maintenance and improving the economy. The left longitudinal beam is structurally provided with a first left reinforcing structure and a second left reinforcing structure which are arranged side by side, the right longitudinal beam is structurally provided with a first right reinforcing structure and a second right reinforcing structure which are arranged side by side, the reinforcing structures of the left part and the right part can be used as mounting points of the rear shock absorber of the automobile, so that the strength and durability of the automobile are improved, and the reinforcing structures arranged side by side can also improve the torsion performance of the automobile. All set up on floor skeleton behind the car through the structure that will improve high low-speed crashworthiness behind the car, intensity durability and torsion performance, can greatly simplify the structure of car automobile body to satisfy the spatial arrangement requirement of car, and can increase the space of a part vapour car trunk, satisfy user's requirement, promote user experience.
Furthermore, the automobile rear floor framework assembly adopts a high-pressure cast aluminum framework to realize the light weight of the automobile, and the left rear floor framework and the right rear floor framework are integrally arranged to reduce the number of parts, so that the integration level of the rear floor framework assembly is higher, the development number of dies is reduced, the complexity of the process is reduced, and the production and manufacturing efficiency is improved.
Further, the strength durability and the torsion performance of the automobile can be further improved by adopting the integrated arrangement of the first left reinforcing structure and the second left reinforcing structure and the integrated arrangement of the first right reinforcing structure and the second right reinforcing structure.
Further, first left longeron structure has first passageway, and has the main strengthening rib strip in the first passageway and divide the not equidirectional additional strengthening that the strengthening rib strip formed, first right longeron structure has the second passageway, and has the main strengthening rib strip in the second passageway and divide the not equidirectional additional strengthening that the strengthening rib strip formed, thereby improve the intensity and the rigidity of first left longeron structure and first right longeron structure, the rib adopts the design of continuity, the stability in biography power route has been guaranteed, the stability and the intensity of car collision safety structure have been guaranteed.
Further, the automobile adopts the rear floor framework assembly, the technical effect can be achieved, the first left reinforcing structure is connected with the first left rear wheel cover reinforcing structure, the second left reinforcing structure is connected with the second left rear wheel cover reinforcing structure, the first right reinforcing structure is connected with the first right rear wheel cover reinforcing structure, and the second right reinforcing structure is connected with the second right rear wheel cover reinforcing structure, so that the strength durability and the torsion performance of the automobile can be improved together by the automobile rear floor framework assembly and the wheel covers.
Further, the first left reinforcing structure, the first left rear wheel cover reinforcing structure, the second left rear wheel cover reinforcing structure, the first right rear wheel cover reinforcing structure, the second right reinforcing structure and the second right rear wheel cover reinforcing structure all adopt channel structures with cavities, so that the torsional rigidity of the automobile can be further greatly improved, and the torsional performance of the automobile is improved.
Drawings
Preferred embodiments of the present invention are described below in conjunction with an electric vehicle with reference to the attached drawings, wherein:
FIG. 1 is a partial schematic structural view of a body and chassis structure of an electric vehicle of the present invention;
FIG. 2 is a schematic structural diagram of a rear floor frame assembly of an electric vehicle according to the present invention;
FIG. 3 is a force transmission path diagram of the rear floor frame assembly of the electric vehicle in the event of a rear collision according to the present invention;
FIG. 4 is a schematic structural diagram of a left rear wheel cover assembly of the electric vehicle of the present invention;
FIG. 5 is a schematic structural diagram of a rear right wheel cover assembly of the electric vehicle of the present invention;
FIG. 6 is a force path diagram at the rear shock absorber of the electric vehicle of the present invention;
FIG. 7 is a schematic structural view of a left longitudinal beam structure of a rear floor frame assembly of an electric vehicle according to the present invention;
fig. 8 is a schematic structural view of a right side member structure of a rear floor frame assembly of an electric vehicle according to the present invention.
List of reference numerals:
1. a left stringer structure; 1a, a first channel; 1b, first main reinforcing ribs; 1c, first sub reinforcing ribs;
2. a right stringer structure; 2a, a second channel; 2b, second main reinforcing ribs; 2c, second sub reinforcing ribs;
3. a front cross member; 31. a left front cross member; 32. a right front cross member;
4. a middle cross beam; 41. a left middle cross beam; 42. a right middle cross beam;
5. a rear cross member; 51. a left rear cross member; 52. a right rear cross member;
6. a middle left longitudinal beam structure;
7. a middle right longitudinal beam structure;
8. a first left reinforcement structure; 8a, a cavity of the first left reinforcing structure;
9. a second left reinforcement structure; 9a, a cavity of a second left reinforcing structure;
10. a first right reinforcing structure; 10a, a cavity of the first right reinforcing structure;
11. a second right reinforcing structure; 11a, a cavity of a second right reinforcing structure;
12. a left rear wheel cover assembly; 121. a left rear wheel cover; 122. a first left rear wheel house reinforcement structure; 122a, a cavity of the first left rear wheel house reinforcing structure; 123. a second left rear wheel house reinforcement structure; 123a, a cavity of a second left rear wheel house reinforcing structure;
13. a right rear wheel cover assembly; 131. a right rear wheel cover; 132. a first right rear wheel cover reinforcement structure; 132a, a cavity of the first right rear wheel house reinforcement structure; 133. a second right rear wheel cover reinforcement structure; 133a, a cavity of a second right rear wheel house reinforcement structure;
14. an auxiliary frame;
15. high voltage distribution box.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the present invention is described with reference to an electric vehicle, it is obvious that the technical solution of the present invention can also be applied to a conventional vehicle powered by fuel (such as gasoline or diesel), a hybrid vehicle, and the like, and the adjustment of the application object does not limit the present invention.
Based on the problems that the existing electric automobile cannot meet the requirement of high-low speed collision after the automobile and the strength durability and the torsional rigidity of the automobile need to be further improved under the condition of long wheelbase and short rear overhang, the invention provides an electric automobile and a rear floor framework assembly thereof, aiming at solving the problem of short rear energy absorption structure caused by long wheelbase and short rear overhang, further solving the problem of high-low speed collision after the automobile, effectively protecting the safety of personnel in the high-speed collision after the automobile, ensuring that the rear floor framework cannot be damaged during low-speed collision, avoiding maintenance, improving the strength durability and the torsional performance of the automobile, simplifying the structure of an automobile body, increasing the space of an automobile trunk, meeting the requirement of a user and improving the user experience.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or component must have a specific orientation or must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., "connected" may be a detachable connection or an integral connection; either directly or indirectly through intervening components. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention and the accompanying drawings, for the convenience of understanding, an X axis, a Y axis and a Z axis related to a general coordinate system of an automobile are introduced, wherein the X axis corresponds to a front-back direction (also referred to as a longitudinal direction) of the automobile, the Y axis corresponds to a left-right direction (also referred to as a transverse direction) of the automobile, and the Z axis corresponds to a top-bottom direction (i.e., a height direction, also referred to as a vertical direction or a vertical direction) of the automobile.
As shown in fig. 1, the electric vehicle of the present invention includes a rear floor frame assembly, a left rear wheel cover assembly 12, a right rear wheel cover assembly 13, an auxiliary frame 14, a power battery (not shown in the figure) and a high voltage distribution box 15, wherein the left rear wheel cover assembly 12 is connected to the left side of the rear floor frame assembly, the right rear wheel cover assembly 13 is connected to the right side of the rear floor frame assembly, the auxiliary frame 14 is connected to the lower side of the rear floor frame assembly, the power battery is electrically connected to the high voltage distribution box 15, and the power battery is connected to the rear floor frame assembly.
As shown in fig. 2 and 3, the rear floor skeleton assembly comprises a left longitudinal beam structure 1, a right longitudinal beam structure 2, a front cross beam 3, a middle cross beam 4, a rear cross beam 5, a middle left longitudinal beam structure 6 and a middle right longitudinal beam structure 7, wherein two ends of the front cross beam 3 are respectively connected with the front end of the left longitudinal beam structure 1 and the front end of the right longitudinal beam structure 2, two ends of the middle cross beam 4 are respectively connected with the middle part of the left longitudinal beam structure 1 and the middle part of the right longitudinal beam structure 2, two ends of the rear cross beam 5 are respectively connected with the rear end of the left longitudinal beam structure 1 and the rear end of the right longitudinal beam structure 2, the middle left longitudinal beam structure 6 and the middle right longitudinal beam structure 7 are both connected between the front cross beam 3 and the middle cross beam 4, the middle left longitudinal beam structure 6 is gradually extended rightwards from the rear direction, and the rear end of the middle left longitudinal beam structure 6 is arranged near the intersection of the middle cross beam 4 and the left longitudinal beam structure 1 so that the left longitudinal beam structure 1 and the middle left longitudinal beam structure 6 jointly form a left Y-shaped force transmission structure, the middle right longitudinal beam structure 7 is gradually extended leftwards from the back to the front, and the rear end of the middle right longitudinal beam structure 7 is arranged close to the intersection of the middle cross beam 4 and the right longitudinal beam structure 2, so that the right longitudinal beam structure 2 and the middle right longitudinal beam structure 7 jointly form a right Y-shaped force transmission structure. When an automobile collides after the collision, except that the rear energy absorption box of the electric automobile absorbs a part of collision force, another part of collision force needs to be shared by the rear floor framework assembly, taking the left part of the rear floor framework assembly as an example, the collision force firstly passes through the left longitudinal beam structure 1 and then passes through the boundary of the middle cross beam 4, the collision force is divided into two paths, one path continuously passes through the left longitudinal beam structure 1, the other path continuously passes through the middle left longitudinal beam structure 6, so that the force is shared, taking the right part of the rear floor framework assembly as an example, the collision force firstly passes through the right longitudinal beam structure 2 and then passes through the boundary of the middle cross beam 4, the collision force is divided into two paths, one path continuously passes through the right longitudinal beam structure 2, the other path passes through the middle right longitudinal beam structure 7, so that the force is shared (as the arrow direction shown in fig. 3). Compared with the prior art that the left and right sides of the rear floor framework assembly bear the transmission of the collision force during the rear collision through a longitudinal beam structure, the rear floor framework assembly can divide the collision force which cannot be absorbed by the rear energy absorption box into four paths to share finally, effectively shares the rear impact, and ensures the safety of passengers and the safety of power batteries. The middle left longitudinal beam structure 6 and the middle right longitudinal beam structure 7 provide mounting points of a part of power batteries together, so that the power batteries are mounted and fixed, and the middle left longitudinal beam structure 6, the middle right longitudinal beam structure 7, the front cross beam 3 and the middle cross beam 4 form a square structure together, so that the high-voltage distribution box 15 is protected.
It should be noted that, in the above description, "the middle left side member structure 6 is disposed to extend rightward from the rear to the front direction" means that the projection of the middle left side member structure 6 on the XY plane is disposed to extend rightward from the rear to the front direction, and in the Z axis direction, the projection of the middle left side member structure 6 on the X axis may be disposed to decrease gradually or decrease partially in height along the negative axis direction of the X axis, and similarly, "the middle right side member structure 7 is disposed to extend leftward from the rear to the front direction" means that the projection of the middle right side member structure 7 on the XY plane is disposed to extend leftward from the rear to the front direction, and in the Z axis direction, the projection of the middle right side member structure 7 on the X axis may be disposed to decrease gradually or decrease partially in height along the negative axis direction of the X axis, and by such an arrangement that the front cross member 3 is located at a lower height than the middle cross member 4, the middle left side member structure 6 and the middle right side member structure 7 can be adapted to the height change of the trunk in the rear seat direction of the automobile .
Continuing to refer to fig. 2, on the left longitudinal beam structure 1, the intersection of the left longitudinal beam structure 1 and the middle cross beam 4 is provided with a first left reinforcing structure 8 and a second left reinforcing structure 9 which extend upwards and are arranged side by side, on the right longitudinal beam structure 2, the intersection of the right longitudinal beam structure 2 and the middle cross beam 4 is provided with a first right reinforcing structure 10 and a second right reinforcing structure 11 which extend upwards and are arranged side by side, the first left reinforcing structure 8 and the second left reinforcing structure 9 are both connected with a left rear wheel cover assembly 12, and the first right reinforcing structure 10 and the second right reinforcing structure 11 are both connected with a right rear wheel cover assembly 13. In practical application, the first left reinforcing structure 8 and the second left reinforcing structure 9 may be located at the intersection of the left longitudinal beam structure 1 and the middle cross beam 4, or one of the left longitudinal beam structure 1 and the middle cross beam 4, the first right reinforcing structure 10 and the second right reinforcing structure 11 may be located at the intersection of the right longitudinal beam structure 2 and the middle cross beam 4, or one of the right longitudinal beam structure 2 and the middle cross beam 4, for example, in the case shown in the figure, the first left reinforcing structure 8 is located at the intersection of the left longitudinal beam structure 1 and the middle cross beam 4, the second left reinforcing structure 9 is located at the rear side of the first left reinforcing structure 8, the first right reinforcing structure 10 is located at the intersection of the right longitudinal beam structure 2 and the middle cross beam 4, the second right reinforcing structure 11 is located at the rear side of the first right reinforcing structure 10, the second left reinforcing structure 9 is connected to the lower end of the left rear shock absorber, the second right reinforcing structure 11 is connected to the lower end of the right rear shock absorber, specifically, in actual installation, the second left reinforcing structure 9 may be connected to the lower end of the left rear shock absorber through two screw members, and the second right reinforcing structure 11 may be connected to the lower end of the right rear shock absorber through two screw members. Through the arrangement, namely the first left reinforcing structure 8 and the second left reinforcing structure 9 which are arranged side by side and the first right reinforcing structure 10 and the second right reinforcing structure 11 which are arranged side by side, the strength and the torsional rigidity of the rear floor framework assembly can be improved, so that the strength, the durability and the torsional performance of the automobile are improved.
Although the first left reinforcement structure 8 and the second left reinforcement structure 9 are disposed side by side, the heights of the two may be different, and similarly, the heights of the first right reinforcement structure 10 and the second right reinforcement structure 11 may also be different, for example, in the case shown in fig. 2, the height of the first left reinforcement structure 8 is smaller than the height of the second left reinforcement structure 9, the height of the first right reinforcement structure 10 is smaller than the height of the second right reinforcement structure 11, and the heights thereof may be flexibly set according to the structure to be fitted to the rear wheel house assembly.
Preferably, the left end and the right end of the front cross beam 3 are respectively and integrally arranged with the front end of the left longitudinal beam structure 1 and the front end of the right longitudinal beam structure 2, the left end and the right end of the middle cross beam 4 are respectively and integrally arranged with the middle of the left longitudinal beam structure 1 and the middle of the right longitudinal beam structure 2, the left end and the right end of the rear cross beam 5 are respectively and integrally arranged with the rear end of the left longitudinal beam structure 1 and the rear end of the right longitudinal beam structure 2, the front end of the middle left longitudinal beam structure 6 and the front end of the middle right longitudinal beam structure 7 are both and integrally arranged with the front cross beam 3, the rear end of the middle left longitudinal beam structure 6 and the rear end of the middle right longitudinal beam structure 7 are both and integrally arranged with the middle cross beam 4, the front cross beam 3 comprises a left front cross beam 31 and a right front cross beam 32 which are connected, the middle cross beam 4 comprises a left middle cross beam 41 and a right middle cross beam 42 which are connected, the rear cross beam 5 comprises a left rear cross beam 51 and a right rear cross beam 52 which are connected, the left longitudinal beam structure 1, the left front cross beam 31, the left middle cross beam 41, the left cross beam 41, right cross beam structure 2, The left rear cross member 51 and the middle left longitudinal member structure 6 together constitute a left rear floor framework integrally provided, and the right longitudinal member structure 2, the right front cross member 32, the right middle cross member 42, the right rear cross member 52 and the middle right longitudinal member structure 7 together constitute a right rear floor framework integrally provided. In practical applications, the left front cross member 31 and the right front cross member 32 may be integrally disposed, or may be connected by structural adhesive, or may be connected by other means, similarly, the left middle cross member 41 and the right middle cross member 42 may be integrally disposed, or may be connected by structural adhesive, or may be connected by other means, and the left rear cross member 51 and the right rear cross member 52 may be integrally disposed, or may be connected by structural adhesive, or may be connected by other means. When the left front cross beam 31 and the right front cross beam 32 are integrally arranged, the left middle cross beam 41 and the right middle cross beam 42 are integrally arranged, and the left rear cross beam 51 and the right rear cross beam 52 are integrally arranged, that is, the left rear floor framework and the right rear floor framework are integrally arranged, at this time, the whole rear floor framework assembly is manufactured by adopting one high-pressure cast aluminum framework, when the left front cross beam 31 and the right front cross beam 32 are not integrally arranged, the left middle cross beam 41 and the right middle cross beam 42 are not integrally arranged, and the left rear cross beam 51 and the right rear cross beam 52 are not integrally arranged, that is, the whole rear floor framework assembly is manufactured by adopting two high-pressure cast aluminum frameworks, when the rear floor framework assembly is installed on an automobile, the two high-pressure cast aluminum frameworks are connected, the number of parts of the rear floor framework assembly can be greatly reduced by adopting a high-pressure cast aluminum mode, for example, the design of the whole rear floor framework assembly can be realized by only one high-pressure cast aluminum framework or two high-pressure cast aluminum frameworks, through such setting, not only can reduce the mould quantity of spare part, also can reduce the quantity of connection process when producing moreover for holistic structure is simpler, improves assembly efficiency. In addition, through having reduced spare part quantity for overall structure has reduced a lot of adapting unit, thereby has increased substantially the horizontal sectional area of back floor skeleton assembly, can promote by a wide margin in the space of Y axle direction, is favorable to improving the parking space of trunk.
Of course, alternatively, the aforementioned integral arrangement may be replaced by other connection manners according to needs, the block design of the rear floor frame assembly is not limited to one or two components, and any deformation of the connection structure does not limit the present invention, and should be limited within the protection scope of the present invention.
Preferably, first left reinforcing structure 8 and second left reinforcing structure 9 all set up with left longeron structure 1 an organic whole, and first left reinforcing structure 8 and the left reinforcing structure 9 of second set up an organic whole, and first right reinforcing structure 10 and second right reinforcing structure 11 all set up with right longeron structure 2 an organic whole, and first right reinforcing structure 10 and the right reinforcing structure 11 of second set up an organic whole. For example, when the aforementioned left rear floor frame is made of a high-pressure cast aluminum frame, the left rear floor frame includes a left longitudinal beam structure 1, a left front cross beam 31, a left middle cross beam 41, a left rear cross beam 51, a middle left longitudinal beam structure 6, a first left reinforcing structure 8, and a second left reinforcing structure 9, and similarly, the right rear floor frame includes a right longitudinal beam structure 2, a right front cross beam 32, a right middle cross beam 42, a right rear cross beam 52, a middle right longitudinal beam structure 7, a first right reinforcing structure 10, and a second right reinforcing structure 11, which are integrally provided.
In the present invention, the first left reinforcing structure 8 and the second left reinforcing structure 9 may be directly connected to the left rear wheel cover 121, and may also be connected to the reinforcing structure on the left rear wheel cover 121, and similarly, the first right reinforcing structure 10 and the second right reinforcing structure 11 may be directly connected to the right rear wheel cover 131, and may also be connected to the reinforcing structure on the right rear wheel cover 131. In a preferred case, as shown in fig. 4 to 6, the left rear wheel cover assembly 12 includes a left rear wheel cover 121, a first left rear wheel cover reinforcing structure 122 and a second left rear wheel cover reinforcing structure 123, the first left rear wheel cover reinforcing structure 122 and the second left rear wheel cover reinforcing structure 123 are both provided on the left rear wheel cover 121, the first left reinforcing structure 8 is connected with the first left rear wheel cover reinforcing structure 122, the second left reinforcing structure 9 is connected with the second left rear wheel cover reinforcing structure 123, the right rear wheel cover assembly 13 includes a right rear wheel cover 131, first right rear wheel casing additional strengthening 132 and second right rear wheel casing additional strengthening 133, first right rear wheel casing additional strengthening 132 and second right rear wheel casing additional strengthening 133 all set up on right rear wheel casing 131, and first right additional strengthening 10 is connected with first right rear wheel casing additional strengthening 132, and second right rear wheel casing additional strengthening 11 is connected with second right rear wheel casing additional strengthening 133. Through the connection cooperation of the reinforcing structure on the rear floor framework assembly and the reinforcing structure on the rear wheel casing, the connection strength between the rear floor framework assembly and the rear wheel casing can be jointly improved, and the strength durability and the torsion performance of the automobile are improved by the rear floor framework assembly and the left and right rear wheel casing assemblies.
More preferably, as shown in fig. 2, 4 and 5, the first left reinforcing structure 8 is a channel structure having a cavity 8a, a portion of the first left rear wheel house reinforcing structure 122 is disposed in the cavity 8a of the first left reinforcing structure 8, the second left reinforcing structure 9 is a channel structure having a cavity 9a, a portion of the second left rear wheel house reinforcing structure 123 is disposed in the cavity 9a of the second left reinforcing structure 9, the first right reinforcing structure 10 is a channel structure having a cavity 10a, a portion of the first right rear wheel house reinforcing structure 132 is disposed in the cavity 10a of the first right reinforcing structure 10, the second right reinforcing structure 11 is a channel structure having a cavity 11a, a portion of the second right rear wheel house reinforcing structure 133 is disposed in the cavity 11a of the second right reinforcing structure 11, the first left rear wheel house reinforcing structure 122 is a channel structure having a cavity 122a, the second left rear wheel house reinforcing structure 123 is a channel structure having a, the first right rear wheel house reinforcing structure 132 is a channel structure having a cavity 132a, and the second right rear wheel house reinforcing structure 133 is a channel structure having a cavity 133 a. Taking the first left reinforcing structure 8 as an example, the first left reinforcing structure 8 may be a channel structure having a cavity 8a, and the first left reinforcing structure 8 may be cut in a horizontal direction, the cross section of the first left reinforcing structure 8 has a substantially square through hole, or a substantially circular through opening, or through openings of other shapes, by means of such a channel structure, the torsional rigidity of the vehicle can be considerably increased, and likewise, the second left reinforcing structure 9, the first right reinforcing structure 10, the second right reinforcing structure 11, the first left rear wheel house reinforcing structure, the second left rear wheel house reinforcing structure, the first right rear wheel house reinforcing structure and the second right rear wheel house reinforcing structure can all be of the same design, therefore, the torsional rigidity of the automobile is greatly improved on the whole, and the durability of the automobile can be improved by adopting the channel structure with the cavity in all the reinforcing structures. In the present invention, the first left rear wheel casing reinforcing structure 122 and the second left rear wheel casing reinforcing structure 123 may be connected by a connection method of a combination of structural glue and spot welding, and similarly, the first right rear wheel casing reinforcing structure 132 and the second right rear wheel casing reinforcing structure 133 may also be connected by a connection method of a combination of structural glue and spot welding, and the strong connection described above can satisfy the requirement of high standard of strength and durability. Of course, other connection manners may be adopted, and the adjustment of such connection manners should not be construed as limiting the present invention, and should be limited within the protection scope of the present invention.
Of course, alternatively, the first left reinforcing structure 8, the second left reinforcing structure 9, the first right reinforcing structure 10, the second right reinforcing structure 11, the first left rear wheel cover reinforcing structure 122, the second left rear wheel cover reinforcing structure 123, the first right rear wheel cover reinforcing structure 132 and the second right rear wheel cover reinforcing structure 133 may adopt other reinforcing structures besides the channel structure with the cavity, and the adjustment of any specific structure of the reinforcing structures does not limit the present invention, and should be limited within the protection scope of the present invention.
In a possible working condition, the force transmission path of the vehicle torsion is shown in fig. 6, the force at the rear shock absorbers of the vehicle of the second left reinforcing structure 9 and the second right reinforcing structure 11 is transmitted upwards, and the force on the middle cross beam 4 is transmitted to the left and the right and then upwards (in the direction of the arrow in fig. 6). Of course, this force transmission path is only a possible situation under one operating condition and does not constitute a limitation of the present invention. The upper end of the first left rear wheel cover reinforcing structure 122 and the upper end of the first right rear wheel cover reinforcing structure 132 can be connected with a hat rack, and can also be connected with a sheet or other structures in a hat-rack-free vehicle model, taking the hat rack as an example, the middle cross beam 4, the first left reinforcing structure 8, the second left reinforcing structure 9, the first right reinforcing structure 10, the second right reinforcing structure 11, the first left rear wheel cover reinforcing structure 122, the second left rear wheel cover reinforcing structure 123, the first right rear wheel cover reinforcing structure 132, the second right rear wheel cover reinforcing structure 133 and the hat rack jointly form a structure with a square ring-shaped cross section on a YZ plane, and the torsional rigidity of the vehicle is greatly improved.
Preferably, the left longitudinal beam structure 1 is formed with a first channel 1a arranged longitudinally, a first main reinforcing rib 1b arranged longitudinally is formed in the first channel 1a, the first main reinforcing rib 1b is provided with a plurality of first sub reinforcing ribs 1c extending towards the upper wall and the lower wall of the first channel 1a respectively, the angles of all the first sub reinforcing ribs 1c are not completely the same, the right longitudinal beam structure 2 is formed with a second channel 2a arranged longitudinally, a second main reinforcing rib 2b arranged longitudinally is formed in the second channel 2a, the second main reinforcing rib 2b is provided with a plurality of second sub reinforcing ribs 2c extending towards the upper wall and the lower wall of the second channel 2a respectively, and the angles of all the second sub reinforcing ribs 2c are not completely the same. Specifically, taking the first channel 1a as an example, as shown in fig. 7, the first channel 1a may be a structure with an opening facing outward from the left, the longitudinal arrangement of the first channel 1a means that the channel is arranged along the extending direction of the left longitudinal beam structure 1, the left longitudinal beam structure 1 forms an upper arc shape along the negative axis direction of the X axis (i.e. from back to front), i.e. raises and lowers first to adapt to the structure of the left-rear wheel cover assembly 12, and simultaneously spatially avoids a plurality of control arms at the left part on the subframe 14, the first main reinforcing rib 1b may be a whole-segment structure, or may include a multi-segment structure connected end to end, the joint of every two adjacent segment structures extends to the upper wall and the lower wall of the first channel 1a to form a first sub-reinforcing rib 1c, and by such arrangement, all the reinforcing ribs in the first channel 1a form a coherent structure together, the stability and strength of the rear collision safety structure of the automobile are ensured, and the transmission path of the force is ensured in the first channel 1 a. Taking the second channel 2a as an example, as shown in fig. 8, the second channel 2a may have an opening facing outward from the right, the longitudinal arrangement of the second channel 2a means that the channel is arranged along the extending direction of the right longitudinal beam structure 2, the right longitudinal beam structure 2 forms an upper arc-shaped structure along the negative axis direction of the X axis (i.e. from back to front), i.e. the channel is raised and then lowered to adapt to the structure of the right rear wheel cover assembly 13, and simultaneously the right control arms on the subframe 14 are spatially avoided, the second main reinforcing rib 2b may be a whole-segment structure, or may be a multi-segment structure including sequentially connected end to end, the joint of every two adjacent segment structures extends to the upper wall and the lower wall of the second channel 2a to form a second sub-reinforcing rib 2c, and by such arrangement, all the reinforcing ribs in the second channel 2a form a continuous structure together, the stability and strength of the rear collision safety structure of the automobile are ensured, and the transmission path of the force is ensured in the second passage 2 a.
Through repeated and careful analysis and comparison by the inventor, when the rear floor framework assembly formed by the left rear floor framework and the right rear floor framework of high-pressure cast aluminum is adopted, in the automobile body structure of the same automobile type, compared with the existing automobile rear floor framework assembly, the automobile rear floor framework assembly can be reduced by more than 30% in weight, can be improved by 14% in torsion rigidity of a white automobile body, can be improved by 11L in a rear back box space, can be respectively improved by 112% and 244% in torsion mode and bending mode performance, and simultaneously reduces the number of parts, the number of module development, the connection process and the structure to be simpler.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. The rear floor framework assembly of the automobile is characterized by comprising a left longitudinal beam structure (1), a right longitudinal beam structure (2), a front cross beam (3), a middle cross beam (4), a rear cross beam (5), a middle left longitudinal beam structure (6) and a middle right longitudinal beam structure (7), wherein two ends of the front cross beam (3) are respectively connected with the front end of the left longitudinal beam structure (1) and the front end of the right longitudinal beam structure (2), two ends of the middle cross beam (4) are respectively connected with the middle part of the left longitudinal beam structure (1) and the middle part of the right longitudinal beam structure (2), two ends of the rear cross beam (5) are respectively connected with the rear end of the left longitudinal beam structure (1) and the rear end of the right longitudinal beam structure (2),
the middle left longitudinal beam structure (6) and the middle right longitudinal beam structure (7) are connected between the front cross beam (3) and the middle cross beam (4), the middle left longitudinal beam structure (6) is arranged by gradually extending towards the right from the back to the front, the rear end of the middle left longitudinal beam structure (6) is close to the intersection of the middle cross beam (4) and the left longitudinal beam structure (1) so as to enable the left longitudinal beam structure (1) and the middle left longitudinal beam structure (6) to jointly form a left Y-shaped force transmission structure, the middle right longitudinal beam structure (7) is arranged by gradually extending towards the left from the back to the front, the rear end of the middle right longitudinal beam structure (7) is close to the intersection of the middle cross beam (4) and the right longitudinal beam structure (2) so as to enable the right longitudinal beam structure (2) and the middle right longitudinal beam structure (7) to jointly form a right Y-shaped force transmission structure,
on the longeron structure of a left side (1), left side longeron structure (1) with the intersection of center sill (4) is provided with upwards extends and first left additional strengthening (8) and the left additional strengthening of second (9) that set up side by side, on the longeron structure of a right side (2) right side longeron structure (2) with the intersection of center sill (4) is provided with upwards extends and first right additional strengthening (10) and the right additional strengthening of second (11) that set up side by side, first left additional strengthening (8) with the left additional strengthening of second (9) all with the left rear wheel casing assembly (12) of car is connected, first right additional strengthening (10) with the right additional strengthening of second (11) all with the right rear wheel casing assembly (13) of car is connected.
2. The rear floor frame assembly according to claim 1, wherein both ends of the front cross member (3) are respectively provided integrally with the front end of the left longitudinal beam structure (1) and the front end of the right longitudinal beam structure (2), both ends of the middle cross member (4) are respectively provided integrally with the middle portion of the left longitudinal beam structure (1) and the middle portion of the right longitudinal beam structure (2), both ends of the rear cross member (5) are respectively provided integrally with the rear end of the left longitudinal beam structure (1) and the rear end of the right longitudinal beam structure (2),
the front end of the middle left longitudinal beam structure (6) and the front end of the middle right longitudinal beam structure (7) are integrally arranged with the front cross beam (3), and the rear end of the middle left longitudinal beam structure (6) and the rear end of the middle right longitudinal beam structure (7) are integrally arranged with the middle cross beam (4).
3. A rear floor skeleton assembly according to claim 2, wherein the front cross member (3) comprises a left front cross member (31) and a right front cross member (32) connected, the middle cross member (4) comprises a left middle cross member (41) and a right middle cross member (42) connected, the rear cross member (5) comprises a left rear cross member (51) and a right rear cross member (52) connected,
the left longitudinal beam structure (1), the left front cross beam (31), the left middle cross beam (41), the left rear cross beam (51) and the middle left longitudinal beam structure (6) jointly form a left rear floor framework which is integrally arranged,
the right longitudinal beam structure (2), the right front cross beam (32), the right middle cross beam (42), the right rear cross beam (52) and the middle right longitudinal beam structure (7) jointly form an integrally arranged right rear floor framework.
4. The rear floor frame assembly of claim 3, wherein the left rear floor frame and the right rear floor frame are both high-pressure cast aluminum frames.
5. Rear floor skeleton assembly according to claim 1, wherein the first left reinforcement structure (8) and the second left reinforcement structure (9) are both provided integrally with the left longitudinal beam structure (1), the first left reinforcement structure (8) and the second left reinforcement structure (9) are provided integrally,
the first right reinforcing structure (10) and the second right reinforcing structure (11) are integrally arranged with the right longitudinal beam structure (2), and the first right reinforcing structure (10) and the second right reinforcing structure (11) are integrally arranged.
6. Rear floor skeleton assembly according to claim 1, wherein the first left reinforcement structure (8) is located at the intersection of the left longitudinal beam structure (1) and the middle cross beam (4), the second left reinforcement structure (9) is located at the rear side of the first left reinforcement structure (8), the second left reinforcement structure (9) is connected with the left rear shock absorber of the automobile,
the first right reinforcing structure (10) is located at the intersection of the right longitudinal beam structure (2) and the middle cross beam (4), the second right reinforcing structure (11) is located on the rear side of the first right reinforcing structure (10), and the second right reinforcing structure (11) is connected with the right rear shock absorber of the automobile.
7. Rear floor skeleton assembly according to any one of claims 1 to 6, characterized in that the left longitudinal beam structure (1) is formed with a longitudinally arranged first channel (1a), a longitudinally arranged first main reinforcing rib (1b) is formed in the first channel (1a), the first main reinforcing rib (1b) extends towards the upper wall and the lower wall of the first channel (1a) and is provided with a plurality of first sub reinforcing ribs (1c), the angles of all the first sub reinforcing ribs (1c) are not identical,
the right longitudinal beam structure (2) is provided with a second channel (2a) which is longitudinally arranged, a second main reinforcing rib (2b) which is longitudinally arranged is formed in the second channel (2a), the second main reinforcing rib (2b) extends towards the upper wall and the lower wall of the second channel (2a) and is provided with a plurality of second sub reinforcing ribs (2c), and the angles of the second sub reinforcing ribs (2c) are not completely the same.
8. An automobile, characterized in that the automobile comprises the rear floor skeleton assembly of any one of claims 1 to 7,
the left rear wheel cover assembly (12) comprises a left rear wheel cover (121), a first left rear wheel cover reinforcing structure (122) and a second left rear wheel cover reinforcing structure (123), the first left rear wheel cover reinforcing structure (122) and the second left rear wheel cover reinforcing structure (123) are arranged on the left rear wheel cover (121), the first left reinforcing structure (8) is connected with the first left rear wheel cover reinforcing structure (122), the second left reinforcing structure (9) is connected with the second left rear wheel cover reinforcing structure (123),
wheel cover assembly (13) includes right rear wheel cover (131), first right rear wheel cover additional structure (132) and second right rear wheel cover additional structure (133), first right rear wheel cover additional structure (132) with second right rear wheel cover additional structure (133) all sets up on the right rear wheel cover (131), first right rear wheel cover additional structure (10) with first right rear wheel cover additional structure (132) are connected, second right rear wheel cover additional structure (11) with second right rear wheel cover additional structure (133) are connected.
9. The motor vehicle according to claim 8, characterized in that the first left reinforcement structure (8) is a channel structure having a cavity (8a), a portion of the first left rear wheel house reinforcement structure (122) being arranged in the cavity (8a) of the first left reinforcement structure (8),
the second left reinforcing structure (9) is a channel structure having a cavity (9a), a portion of the second left rear wheel house reinforcing structure (123) is disposed in the cavity (9a) of the second left reinforcing structure (9),
the first right reinforcing structure (10) is a channel structure having a cavity (10a), a portion of the first right rear wheel house reinforcing structure (132) is disposed in the cavity (10a) of the first right reinforcing structure (10),
the second right reinforcing structure (11) is a channel structure having a cavity (11a), and a part of the second right rear wheel house reinforcing structure (133) is disposed in the cavity (11a) of the second right reinforcing structure (11).
10. The automobile according to claim 9, characterized in that the first left rear wheel house reinforcing structure (122) is a tunnel structure having a cavity (122a),
the second left rear wheel house reinforcing structure (123) is a channel structure having a cavity (123a),
the first right rear wheel house reinforcing structure (132) is a channel structure having a cavity (132a),
the second right rear wheel house reinforcing structure (133) is a channel structure having a cavity (133 a).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111551751.9A CN113998009A (en) | 2021-12-17 | 2021-12-17 | Automobile and rear floor framework assembly thereof |
| PCT/CN2022/136447 WO2023109539A1 (en) | 2021-12-17 | 2022-12-05 | Vehicle and rear floor frame assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111551751.9A CN113998009A (en) | 2021-12-17 | 2021-12-17 | Automobile and rear floor framework assembly thereof |
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| Publication Number | Publication Date |
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| CN113998009A true CN113998009A (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111551751.9A Pending CN113998009A (en) | 2021-12-17 | 2021-12-17 | Automobile and rear floor framework assembly thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113998009A (en) |
| WO (1) | WO2023109539A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114987627A (en) * | 2022-07-01 | 2022-09-02 | 奇瑞新能源汽车股份有限公司 | Electric automobile front floor structure and electric automobile comprising same |
| CN115214801A (en) * | 2022-03-31 | 2022-10-21 | 长城汽车股份有限公司 | Automobile body and automobile |
| WO2023109544A1 (en) * | 2021-12-17 | 2023-06-22 | 蔚来汽车科技(安徽)有限公司 | Vehicle and rear wheel house assembly thereof |
| WO2023109539A1 (en) * | 2021-12-17 | 2023-06-22 | 蔚来汽车科技(安徽)有限公司 | Vehicle and rear floor frame assembly thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5480324B2 (en) * | 2012-03-29 | 2014-04-23 | 本田技研工業株式会社 | Car body side structure |
| CN103318265B (en) * | 2013-06-27 | 2016-06-01 | 长城汽车股份有限公司 | Rear force transmission structure of automobile |
| CN204197058U (en) * | 2014-09-30 | 2015-03-11 | 长城汽车股份有限公司 | Floor assembly skeleton structure and vehicle body after vehicle body |
| CN107901990A (en) * | 2017-10-20 | 2018-04-13 | 宁波吉利汽车研究开发有限公司 | The rear floor frame beam of performance is touched after a kind of lifting |
| CN113320599A (en) * | 2021-07-13 | 2021-08-31 | 合肥创智汽车技术开发有限公司 | Floor skeleton assembly behind new forms of energy electric automobile |
| CN113998009A (en) * | 2021-12-17 | 2022-02-01 | 蔚来汽车科技(安徽)有限公司 | Automobile and rear floor framework assembly thereof |
-
2021
- 2021-12-17 CN CN202111551751.9A patent/CN113998009A/en active Pending
-
2022
- 2022-12-05 WO PCT/CN2022/136447 patent/WO2023109539A1/en unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023109544A1 (en) * | 2021-12-17 | 2023-06-22 | 蔚来汽车科技(安徽)有限公司 | Vehicle and rear wheel house assembly thereof |
| WO2023109539A1 (en) * | 2021-12-17 | 2023-06-22 | 蔚来汽车科技(安徽)有限公司 | Vehicle and rear floor frame assembly thereof |
| CN115214801A (en) * | 2022-03-31 | 2022-10-21 | 长城汽车股份有限公司 | Automobile body and automobile |
| CN115214801B (en) * | 2022-03-31 | 2024-03-19 | 长城汽车股份有限公司 | Automobile body and automobile |
| CN114987627A (en) * | 2022-07-01 | 2022-09-02 | 奇瑞新能源汽车股份有限公司 | Electric automobile front floor structure and electric automobile comprising same |
| CN114987627B (en) * | 2022-07-01 | 2023-10-20 | 奇瑞新能源汽车股份有限公司 | Electric automobile front floor structure and electric automobile comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023109539A1 (en) | 2023-06-22 |
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