CN219382610U - Vehicle rear body assembly - Google Patents
Vehicle rear body assembly Download PDFInfo
- Publication number
- CN219382610U CN219382610U CN202320359490.9U CN202320359490U CN219382610U CN 219382610 U CN219382610 U CN 219382610U CN 202320359490 U CN202320359490 U CN 202320359490U CN 219382610 U CN219382610 U CN 219382610U
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- side wall
- reinforcement
- vehicle
- section
- wheel casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The utility model discloses a vehicle rear body assembly, which comprises a front functional cross beam, a rear functional cross beam, a left longitudinal beam rear section and a right longitudinal beam rear section, wherein the front functional cross beam, the rear functional cross beam, the left longitudinal beam rear section and the right longitudinal beam rear section are connected and encircled to form a rectangular frame with a force transmission cavity; the left rear wheel shell is connected with the left rear wheel shell at the transverse left side of the rectangular frame, the right rear wheel shell is connected with the right rear wheel shell at the transverse right side of the rectangular frame, and the left rear wheel shell and the right rear wheel shell are connected through the top cover cross beam; the rear wheel shell region can form a stable force transmission structure, the rigidity/strength of the vehicle body is met, the riding sense of drivers and passengers is improved, and the comfort requirement is met.
Description
Technical Field
The utility model relates to the field of vehicle parts, in particular to a vehicle rear body assembly.
Background
In the existing passenger car, the rear wheel housing part is a component part of the weight of the car body and is connected with the car frame, the side wall and the rear floor; the rear shock absorber is not only the installation position of the rear shock absorber, but also the installation position of the rear safety belt; the force transfer structure of the rear wheel housing area determines that the rigidity/strength of the area directly affects the overall performance of the vehicle and the comfort of passengers; in the existing vehicle type, the rear wheel housing is directly connected with the side wall inner plate, the reinforcing structure is weak, the force transmission structure is unreasonable, the vehicle body structure strength is insufficient, and in the use process, the vehicle body is impacted by external load, and the comfort is low.
Therefore, in order to solve the above problems, there is a need for a vehicle rear body assembly that can form a stable force transmission structure in the rear wheel housing area, satisfy the rigidity/strength of the body, improve the riding feel of the driver and passengers, and satisfy the comfort requirement.
Disclosure of Invention
In view of the above, the present utility model aims to overcome the defects in the prior art, and provide a vehicle rear body assembly, which can form a stable force transmission structure in a rear wheel housing area, thereby satisfying rigidity/strength of the vehicle body, improving riding feeling of drivers and passengers, and satisfying comfort requirements.
The utility model relates to a vehicle rear body assembly, which comprises a front functional cross beam, a rear functional cross beam, a left longitudinal beam rear section and a right longitudinal beam rear section, wherein the front functional cross beam, the rear functional cross beam, the left longitudinal beam rear section and the right longitudinal beam rear section are connected and encircled to form a rectangular frame with a force transmission cavity; the left rear wheel shell and the right rear wheel shell are connected to the left side of the rectangular frame in a transverse mode, and the right rear wheel shell is connected to the right side of the rectangular frame in a transverse mode.
Further, the left side frame comprises a rear side frame left side reinforcement I and a rear side frame right side reinforcement I, wherein the rear side frame left side reinforcement I connects the transverse front end of the left rear wheel housing with the left end of the top cover beam, and the rear side frame right side reinforcement I connects the transverse front end of the right rear wheel housing with the right end of the top cover beam.
Further, the left side frame comprises a rear side frame left side reinforcing piece II and a rear side frame right side reinforcing piece II, the rear side frame left side reinforcing piece II connects the transverse middle part of the left rear wheel housing with the left end of the top cover beam, and the rear side frame right side reinforcing piece II connects the transverse middle part of the right rear wheel housing with the right end of the top cover beam.
The rear end of the upper section of the side wall rear inner skin is connected with the left end of the top cover beam, and the rear end of the upper section of the side wall rear inner skin is connected with the right end of the top cover beam;
the top of the rear side wall left side reinforcement I extends upwards to be connected to the longitudinal middle part of the upper section of the side wall rear inner skin, and the top of the rear side wall right side reinforcement I extends upwards to be connected to the longitudinal middle part of the upper section of the side wall rear inner skin.
Further, still include left side D post and right side D post, the top of left side D post is connected with the left end of top cap crossbeam, the top of right side D post is connected with the right-hand member of top cap crossbeam.
Further, the left side back side body inner plate reinforcement and the right side back side body inner plate reinforcement are further included, the top end of the back side body left side reinforcement II is connected to the transverse middle part of the left side back side body inner plate reinforcement, and the top end of the back side body right side reinforcement II is connected to the transverse middle part of the right side back side body inner plate reinforcement.
Further, the front end of the left rear side wall inner plate reinforcement is connected to the middle part of the rear side wall left side reinforcement I in the height direction, and the rear end of the left rear side wall inner plate reinforcement is connected to the middle part of the left side column D in the height direction;
the front end of the right rear side wall inner plate reinforcement is connected to the middle part of the right side wall left side reinforcement I in the height direction, and the rear end of the right rear side wall inner plate reinforcement is connected to the middle part of the right side D column in the height direction.
Further, still include left side D post reinforcement and right side D post reinforcement, the left side D post reinforcement is connected the top of left side D post, the left end of top cap crossbeam and the rear end of the back inner skin upper segment left segment of side wall, the right side D post reinforcement is connected the top of right side D post, the right end of top cap crossbeam and the rear end of the back inner skin upper segment right segment of side wall.
Further, the cross section of the rear functional cross beam in the transverse direction is in a shape of a Chinese character 'ji'.
Further, still include left back wheel casing reinforcement and right back wheel casing reinforcement, left back wheel casing reinforcement is by covering at left back wheel casing's horizontal middle part, left back wheel casing reinforcement's top is connected with the bottom of back side wall left side reinforcement II, the top of right back wheel casing reinforcement is connected with the bottom of back side wall right side reinforcement II.
The beneficial effects of the utility model are as follows: the utility model discloses a vehicle rear body assembly, wherein a front functional cross beam, a rear functional cross beam, a left longitudinal beam rear section and a right longitudinal beam rear section are connected and encircled to form a rectangular frame with a force transmission cavity; the transverse middle part of the rear functional cross beam is downwards sunken and protruded out of the bottom surfaces of the left longitudinal beam and the right longitudinal beam in the height direction, so that a larger space in the height direction is formed, and the bottom structure of the vehicle has good torsion resistance; the rear wheel comprises a rectangular frame, a left rear wheel shell, a right rear wheel shell, a top cover cross beam and a left rear wheel shell, wherein the left rear wheel shell is connected to the transverse left side of the rectangular frame, the right rear wheel shell is connected to the left side of the rectangular frame, and the left rear wheel shell and the right rear wheel shell are connected through the top cover cross beam, so that the rear section of the vehicle is in a closed ring shape in longitudinal projection; the vehicle rear section is integrally provided with a plurality of force transmission ways, and the rear section of the vehicle can be integrally stressed when side collision occurs, so that a stable force transmission structure can be formed in a rear wheel casing area, the rigidity/strength of a vehicle body is met, the driving riding feeling of drivers and passengers is improved, and the comfort requirement is met.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a front view structure of the present utility model;
FIG. 3 is a schematic view of the bottom structure of the present utility model;
FIG. 4 is a schematic view of the A-A structure of FIG. 3 according to the present utility model.
Detailed Description
FIG. 1 is a schematic view of the structure of the present utility model, wherein the transverse direction is the width direction of the vehicle when the present utility model is assembled on the vehicle, the longitudinal direction is the length direction of the vehicle when the present utility model is assembled on the vehicle, the height direction is the height direction of the vehicle when the present utility model is assembled on the vehicle, the front and rear directions are opposite, the front direction is longitudinally close to the head of the vehicle, the left and right directions are opposite, and the left and right directions are the left and right directions of the transverse middle part of the vehicle when the vehicle is traveling, and are not repeated herein;
the vehicle rear body assembly in the embodiment comprises a front functional cross beam 1, a rear functional cross beam 2, a left longitudinal beam rear section 3 and a right longitudinal beam rear section 4, wherein the front functional cross beam 1 and the rear functional cross beam 2 are parallel to the transverse direction, the left longitudinal beam rear section 3 and the right longitudinal beam rear section 4 are parallel to the longitudinal direction, and the front functional cross beam 1, the rear functional cross beam 2, the left longitudinal beam rear section 3 and the right longitudinal beam rear section 4 are connected and encircled to form a rectangular frame with a force transmission cavity; the transverse force transmission paths of the rear section of the bottom of the vehicle are two longitudinally arranged, the structural strength of the rear section of the bottom of the vehicle is improved, the collision force transmission requirement is met, meanwhile, the running stability of the vehicle is improved, the riding body feeling of the vehicle is improved, the front functional cross beam 1 is longitudinally positioned at the front side of the rear functional cross beam 2, the rear functional cross beam 2 is in a shape like a Chinese character 'ji', so that the transverse middle part of the rear functional cross beam 2 is downwards sunken and protrudes out of the bottom surfaces of the left longitudinal beam and the right longitudinal beam in the height direction, a larger space in the height direction is formed, the bottom structure of the vehicle has good torsion resistance, the rear functional beam is used for installing a spare tire, the transverse left end of the front functional cross beam 1 is connected with the rear section 3 of the left longitudinal beam through a left connecting piece, the transverse right end of the front functional cross beam 1 is connected with the rear section 4 of the right longitudinal beam through a right connecting piece, the structural strength and rigidity of the bottom of the vehicle are improved, and particularly, the structural strength of the front functional cross beam 1 at the joint on the left longitudinal beam and the right longitudinal beam can form a stable force transmission structure, and the requirement of the vehicle body/strength is met;
the vehicle rear section is characterized by further comprising a left rear wheel casing 5 connected to the transverse left side of the rectangular frame and a right rear wheel casing 6 connected to the transverse right side of the rectangular frame, and further comprising a top cover cross beam 7 positioned at the top of the rectangular frame, wherein the left rear wheel casing 5 and the right rear wheel casing 6 are connected through the top cover cross beam 7, so that the vehicle rear section is in a closed ring shape in the longitudinal projection; the vehicle rear section is integrally provided with a plurality of force transmission ways, the vehicle rear section can be integrally stressed when side collision occurs, a stable force transmission structure can be formed in a rear wheel casing area, the requirements of rigidity/strength of a vehicle body are met, the driving riding sense of drivers and passengers is improved, and the comfort requirement is met.
In this embodiment, the rear side wall left-side reinforcement i 8 and the rear side wall right-side reinforcement i 9 are further included, the rear side wall left-side reinforcement i 8 connects the lateral front end of the left rear wheel housing 5 and the left end of the roof cross member 7, and the rear side wall right-side reinforcement i 9 connects the lateral front end of the right rear wheel housing 6 and the right end of the roof cross member 7; the novel side wall rear inner skin comprises a top cover beam 7, a side wall rear inner skin upper section 12 and a side wall rear inner skin upper section 13, wherein the rear end of the side wall rear inner skin upper section 12 is connected with the left end of the top cover beam 7, and the rear end of the side wall rear inner skin upper section 13 is connected with the right end of the top cover beam 7; the top end of the rear side wall left side reinforcing piece I8 extends upwards to be connected to the longitudinal middle part of the upper section 12 of the side wall rear inner skin, and the top end of the rear side wall right side reinforcing piece I9 extends upwards to be connected to the longitudinal middle part of the upper section 13 of the side wall rear inner skin. That is, the left side body reinforcement i 8 is connected to the left end of the roof cross member 7 through the upper side body inner back skin section left section 12, the right side body reinforcement i 9 is connected to the right end of the roof cross member 7 through the upper side body inner back skin section right section 13, further, as shown in the drawing, the upper side body inner back skin section left section 12 and the upper side body inner back skin section right section 13 are arranged parallel to the longitudinal direction and are respectively connected to the both lateral ends of the roof cross member 7, the left side body reinforcement i 8 extends upward from the top of the lateral front end of the left rear wheel housing 5 to the longitudinal middle of the upper side body inner back skin section left section 12, the right side body reinforcement i 9 extends upward from the top of the lateral front end of the right rear wheel housing 6 to the longitudinal middle of the right side body inner back skin section right section 13, and the middle in the height direction of the right side body reinforcement i 9 is recessed rearward in the longitudinal direction, so that the left side body reinforcement i 8 and the right side body reinforcement i 9 are both curved beam configurations having curved radians; the structure strength requirement and the torsional strength requirement of the vehicle are met, a complete and continuous closed annular force transmission path formed by upward force transmission of the left rear wheel casing 5 or the right rear wheel casing 6 can be provided, meanwhile, the structure can further improve the structural compactness of the rear section of the vehicle, reduce vibration noise, improve the comfort of passengers, and meanwhile, the structure strength is improved to some extent, the inward concave degree of the left sheet metal part and the right sheet metal part after side collision can be reduced, and the safety of the passengers is improved.
In this embodiment, the device further comprises a left D column 14 and a right D column 15, wherein the top end of the left D column 14 is connected with the left end of the top cover beam 7, and the top end of the right D column 15 is connected with the right end of the top cover beam 7; the left side D column reinforcement 18 and the right side D column reinforcement 19 are further included, the left side D column reinforcement 18 connects the top end of the left side D column 14, the left end of the top cover beam 7 and the rear end of the upper section 12 of the side wall rear inner skin, and the right side D column reinforcement 19 connects the top end of the right side D column 15, the right end of the top cover beam 7 and the rear end of the right section 13 of the side wall rear inner skin; further satisfies the structural strength of the connection node, deformation is generated by the connection node when collision is prevented, the force transmission reliability of a force transmission path is improved, the safety protection is improved, the annular force transmission configuration of the rear section of the automobile body is satisfied, the rigidity/strength of the automobile body is satisfied, the driving riding body feeling of drivers and passengers is improved, and the comfort requirement is satisfied.
In this embodiment, the left side quarter inner panel reinforcement 16 and the right side quarter inner panel reinforcement 17 are further included, the front end of the left side quarter inner panel reinforcement 16 is connected to the middle part of the side quarter left side reinforcement i 8 in the height direction, and the rear end of the left side quarter inner panel reinforcement 16 is connected to the middle part of the left side D pillar 14 in the height direction; the front end of the right rear side wall inner plate reinforcement 17 is connected to the middle part of the right side wall left side reinforcement I in the height direction, and the rear end of the right rear side wall inner plate reinforcement 17 is connected to the middle part of the right side column D15 in the height direction;
the arrangement of the left rear side wall inner plate reinforcement 16 and the right rear side wall inner plate reinforcement 17 in the scheme can further meet the force transmission configuration at the top of the vehicle, the structural strength and the force transmission stability of the upper section of the vehicle are improved, the characteristics of multiple force transmission channels are provided, the safety protection requirement of the vehicle can be met, as shown in the figure, the left rear side wall inner plate reinforcement 16 connects the rear side wall left side reinforcement I8 with the left side D column 14, the right rear side wall inner plate reinforcement 17 connects the rear side wall right side reinforcement I9 with the right side D column 15, so that an upper left energy absorption cavity above the left side of the rear section of the vehicle and an upper right energy absorption cavity above the right side of the rear section of the vehicle are formed, the structural strength of the rear section assembly of the vehicle is further improved, the vibration absorption requirement is met, the vibration noise of the vehicle is reduced, the inward collapse of the vehicle during collision is reduced, and the safety and riding comfort of passengers are improved;
the rear side wall left side reinforcement II 10 is used for connecting the transverse middle part of the left rear wheel casing 5 with the left end of the top cover cross beam 7 through the left rear side wall inner plate reinforcement 16, and the rear side wall right side reinforcement II 11 is used for connecting the transverse middle part of the right rear wheel casing 6 with the right end of the top cover cross beam 7 through the right rear side wall inner plate reinforcement 17;
the top end of the rear side wall left side reinforcement II 10 is connected to the transverse middle part of the left rear side wall inner plate reinforcement 16, and the top end of the rear side wall right side reinforcement II 11 is connected to the transverse middle part of the right rear side wall inner plate reinforcement 17; the left side wall reinforcing piece II 10 and the left side wall inner plate reinforcing piece 16 form a T-shaped force transmission configuration, the right side wall reinforcing piece II 11 and the right side wall inner plate reinforcing piece 17 form a T-shaped force transmission configuration, so that energy transmitted by the left rear wheel casing 5 or the right rear wheel casing 6 further extends upwards to the roof cross beam 7 of the vehicle, meanwhile, the integral structural strength of the rear section of the vehicle is improved, the use of the left side wall reinforcing piece II 10 and the right side wall reinforcing piece II 11 can further improve the structural strength of the left rear wheel casing 5 and the right rear wheel casing 6 in the rear vehicle body, the structural strength requirements of the left rear wheel casing 5 and the right rear wheel casing 6 are met, and the integral stable force transmission requirement of the rear vehicle body assembly is further met; as shown, the left side wall reinforcement ii 10 connects the left side wall inner plate reinforcement 16 with the left rear wheel casing 5, and the right side wall reinforcement ii 11 connects the right side wall inner plate reinforcement 17 with the right rear wheel casing 6, so that a lower left energy absorption cavity located below the left side of the rear section of the vehicle and a lower right energy absorption cavity located below the right side of the rear section of the vehicle are formed, the structural strength of the rear section assembly of the vehicle is further improved, the vibration absorbing requirement is met, the vibration noise of driving is reduced, the inward collapse of the vehicle during collision is reduced, and the safety and riding comfort of passengers are improved.
In this embodiment, the left rear wheel casing reinforcement 20 and the right rear wheel casing reinforcement 21 are further included, the left rear wheel casing reinforcement 20 covers the middle portion of the left rear wheel casing 5 in the transverse direction, the top end of the left rear wheel casing reinforcement 20 is connected with the bottom end of the left rear side wall reinforcement ii 10, the right rear wheel casing reinforcement 21 covers the middle portion of the right rear wheel casing 6 in the transverse direction, and the top end of the right rear wheel casing reinforcement 21 is connected with the bottom end of the right rear side wall reinforcement ii 11. Further improves the structural strength of the left rear wheel casing 5 and the right rear wheel casing 6, meets the requirement of stable force transmission, and reduces the vibration at the weak point of force transmission.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (10)
1. A vehicle rear body assembly, characterized in that: the device comprises a front functional cross beam, a rear functional cross beam, a left longitudinal beam rear section and a right longitudinal beam rear section, wherein the front functional cross beam, the rear functional cross beam, the left longitudinal beam rear section and the right longitudinal beam rear section are connected and encircled to form a rectangular frame with a force transmission cavity; the left rear wheel shell and the right rear wheel shell are connected to the left side of the rectangular frame in a transverse mode, and the right rear wheel shell is connected to the right side of the rectangular frame in a transverse mode.
2. The vehicle rear body assembly according to claim 1, wherein: still include back side wall left side reinforcement I and back side wall right side reinforcement I, the horizontal front end of back wheel casing and the left end of top cap crossbeam are connected to back side wall left side reinforcement I, the horizontal front end of back wheel casing and the right-hand member of top cap crossbeam are connected to back side wall right side reinforcement I.
3. The vehicle rear body assembly according to claim 2, wherein: still include back side wall left side reinforcement II and back side wall right side reinforcement II, the horizontal middle part of back side wall left side reinforcement II with left rear wheel casing and the left end of top cap crossbeam are connected, the horizontal middle part of back side wall right side reinforcement II with right rear wheel casing and the right-hand member of top cap crossbeam are connected.
4. A vehicle rear body assembly as claimed in claim 3, wherein: the rear end of the upper section of the side wall rear inner skin is connected with the left end of the top cover beam, and the rear end of the upper section of the side wall rear inner skin is connected with the right end of the top cover beam;
the top of the rear side wall left side reinforcement I extends upwards to be connected to the longitudinal middle part of the upper section of the side wall rear inner skin, and the top of the rear side wall right side reinforcement I extends upwards to be connected to the longitudinal middle part of the upper section of the side wall rear inner skin.
5. The vehicle rear body assembly as defined in claim 4, wherein: still include left side D post and right side D post, the top of left side D post is connected with the left end of top cap crossbeam, the top of right side D post is connected with the right-hand member of top cap crossbeam.
6. The vehicle rear body assembly as defined in claim 5, wherein: the novel rear side wall reinforcing structure comprises a rear side wall inner plate reinforcing body, and is characterized by further comprising a left rear side wall inner plate reinforcing body and a right rear side wall inner plate reinforcing body, wherein the top end of the rear side wall left side reinforcing body II is connected to the transverse middle part of the left rear side wall inner plate reinforcing body, and the top end of the rear side wall right side reinforcing body II is connected to the transverse middle part of the right rear side wall inner plate reinforcing body.
7. The vehicle rear body assembly as defined in claim 6, wherein: the front end of the left rear side wall inner plate reinforcement is connected to the middle part of the rear side wall left side reinforcement I in the height direction, and the rear end of the left rear side wall inner plate reinforcement is connected to the middle part of the left side column D in the height direction;
the front end of the right rear side wall inner plate reinforcement is connected to the middle part of the right side wall left side reinforcement I in the height direction, and the rear end of the right rear side wall inner plate reinforcement is connected to the middle part of the right side D column in the height direction.
8. The vehicle rear body assembly as defined in claim 5, wherein: still include left side D post reinforcement and right side D post reinforcement, the left side D post reinforcement is connected the top of left side D post, the left end of top cap crossbeam and the rear end of the back inner skin upper segment left segment of side wall, the right side D post reinforcement is connected the top of right side D post, the right-hand member of top cap crossbeam and the rear end of the back inner skin upper segment right segment of side wall.
9. The vehicle rear body assembly according to claim 1, wherein: the transverse section of the rear functional cross beam is shaped like a Chinese character 'ji'.
10. A vehicle rear body assembly as claimed in claim 3, wherein: still include left back wheel casing reinforcement and right back wheel casing reinforcement, left back wheel casing reinforcement is by covering at the horizontal middle part of left back wheel casing, the top of left back wheel casing reinforcement is connected with the bottom of the left side reinforcement of rear side wall II, the top of right back wheel casing reinforcement is connected with the bottom of the right side reinforcement of rear side wall II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320359490.9U CN219382610U (en) | 2023-02-28 | 2023-02-28 | Vehicle rear body assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320359490.9U CN219382610U (en) | 2023-02-28 | 2023-02-28 | Vehicle rear body assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219382610U true CN219382610U (en) | 2023-07-21 |
Family
ID=87187841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320359490.9U Active CN219382610U (en) | 2023-02-28 | 2023-02-28 | Vehicle rear body assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219382610U (en) |
-
2023
- 2023-02-28 CN CN202320359490.9U patent/CN219382610U/en active Active
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