Vehicle body rear structure, vehicle body assembly and vehicle with vehicle body rear structure
By optimizing the connection method between the rear side panel assembly and the reinforcing plate assembly in the rear structure of the vehicle body, the problem of impact force dispersion of the rear shock absorber was solved, the dynamic stiffness and NVH performance of the rear of the vehicle body were improved, and the stability and safety of the vehicle were ensured.
Patent Information
- Application Number
- CN202520211014.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-10
AI Technical Summary
In the existing technology, the impact force of the rear shock absorber cannot be effectively decomposed and reduced, resulting in poor dynamic stiffness of the rear shock absorber mounting plate and poor overall vehicle modal and NVH performance.
By connecting the rear side panel assembly, the rear side reinforcement plate assembly, and the rear shock absorber mounting plate in the rear structure of the vehicle body, the impact force can be effectively transferred to the window sill assembly and the reinforcement plate, absorbing and dispersing the impact force, and improving dynamic stiffness and modal performance.
The dynamic stiffness of the rear shock absorber mounting plate was improved, enhancing the bending and torsional stiffness and durability of the rear structure of the vehicle body, improving NVH performance, and ensuring smooth driving and passenger safety.
Smart Images

Figure CN223672618U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle technical field especially is related to a car body rear structure, car body assembly and vehicle with it. BACKGROUND
[0002] Automobile brand competition increases day by day, and the more choices people have, the higher the requirement for automobile comfort is. For example, at the same price or the same configuration, the car body can provide a quieter cabin environment, a more open visible field of view, and even a more stable driving experience, which will inevitably be favored and affirmed by more consumers.
[0003] The main structure of the car body significantly affects the performance of the whole vehicle. The car body rear side wall assembly structure is associated with the chassis shock absorber. In the prior art, the impact force of the rear shock absorber cannot be well decomposed and reduced by the car body frame, the dynamic stiffness of the rear shock absorber is poor, and the modal and NVH performance of the whole vehicle is poor. SUMMARY
[0004] The utility model aims at at least solving one of the technical problems existing in the prior art. For this purpose, the utility model provides a car body rear structure, which can effectively absorb and disperse the impact force received by the rear shock absorber mounting plate, improve the dynamic stiffness of the rear shock absorber mounting plate, and improve the modal and NVH performance of the car body rear structure.
[0005] The utility model further provides a car body assembly, which comprises the car body rear structure described above.
[0006] The utility model further provides a vehicle, which comprises the car body assembly described above.
[0007] The car body rear structure according to the utility model embodiment is used for a vehicle and comprises: a rear side wall inner plate assembly, which comprises a window sill plate assembly extending in the up-down direction; a rear side wall reinforcing plate assembly, which comprises a first reinforcing plate connected to the outer side of the window sill plate assembly and extending in the up-down direction, and the front end and the rear end of the first reinforcing plate are respectively connected to the front end and the rear end of the window sill plate assembly; and a rear shock absorber mounting plate, which is arranged on the rear side wall inner plate assembly and located on the outer side of the window sill plate assembly, extends in the up-down direction, and the front end and the rear end of the rear shock absorber mounting plate are respectively connected to the front end and the rear end of the window sill plate assembly.
[0008] According to the rear body structure of the utility model, the front end and the rear end of the first reinforcing plate are connected with the front end and the rear end of the window sill plate assembly respectively, the front end and the rear end of the rear shock absorber mounting plate are connected with the front end and the rear end of the window sill plate assembly respectively, the rear shock absorber mounting plate can transmit the impact force received to the window sill plate assembly and the first reinforcing plate, the window sill plate assembly and the first reinforcing plate can effectively absorb and disperse the impact force received by the rear shock absorber mounting plate, the impact force concentration is reduced, the partial force is not too large, partial structure is not damaged, the dynamic stiffness of the rear shock absorber mounting plate is improved, the bending and torsional stiffness and the durability and reliability of the rear body structure are improved, the reliability and the service life of the rear body structure are ensured, and the modal and the NVH performance of the rear body structure are improved.
[0009] In addition, the rear body structure of the utility model can also have the following additional technical features:
[0010] In some embodiments, the front end of the first reinforcing plate and the front end of the rear shock absorber mounting plate are flush with the front end of the window sill plate assembly, and the rear end of the first reinforcing plate and the rear end of the rear shock absorber mounting plate are flush with the rear end of the window sill plate assembly.
[0011] In some embodiments, the rear shock absorber mounting plate is located on the lower side of the first reinforcing plate, the front end and the rear end of the rear shock absorber mounting plate are flush with the front end and the rear end of the first reinforcing plate, a first cavity is defined between the window sill plate assembly and the rear shock absorber mounting plate, a second cavity is defined between the window sill plate assembly and the first reinforcing plate, and the first cavity and the second cavity are arranged and communicated in the up-down direction.
[0012] In some embodiments, the front end and the rear end of the connecting edge of the first cavity are flush with the front end and the rear end of the connecting edge of the second cavity.
[0013] In some embodiments, the vehicle has a rear window, the window sill plate assembly and the first reinforcing plate are located on the lower side of the rear window, the rear quarter panel inner plate assembly further comprises a rear quarter upper inner panel connected to the upper end of the window sill plate assembly and extending along the outer peripheral wall of the rear window, and the rear quarter reinforcing plate assembly further comprises a second reinforcing plate connected to the outer side of the rear quarter upper inner panel and extending along the outer peripheral wall of the rear window.
[0014] In some embodiments, the second reinforcement plate comprises: an upper reinforcement plate located on the upper side of the rear window and extending in the front-rear direction, the upper reinforcement plate being inclined downward in the direction from front to rear; a rear reinforcement plate located on the rear side of the rear window, the rear reinforcement plate being connected with the rear end of the upper reinforcement plate and the upper end of the first reinforcement plate, and the rear end of the rear reinforcement plate being flush with and connected with the rear end of the sill plate assembly.
[0015] In some embodiments, the rear side wall reinforcement plate assembly further comprises: a C-pillar reinforcement plate located on the front side of the rear window and connected with the second reinforcement plate, the C-pillar reinforcement plate extending in the up-down direction; and a sill rear end reinforcement plate connected with the lower end of the C-pillar reinforcement plate and extending in the front-rear direction.
[0016] In some embodiments, the rear side wall inner plate assembly, the rear side wall reinforcement plate assembly and the rear shock absorber mounting plate are weldedly connected.
[0017] The vehicle body assembly according to the embodiments of the present application comprises the above-mentioned rear body structure, and the two rear body structures are spaced apart in the left-right direction of the vehicle.
[0018] The vehicle body assembly according to the embodiments of the present application is provided with the above-mentioned rear body structure, the front end and the rear end of the first reinforcement plate are respectively connected with the front end and the rear end of the sill plate assembly, the front end and the rear end of the rear shock absorber mounting plate are respectively connected with the front end and the rear end of the sill plate assembly, the impact force received by the rear shock absorber mounting plate can be transmitted to the sill plate assembly and the first reinforcement plate, so that the sill plate assembly and the first reinforcement plate can effectively absorb and disperse the impact force received by the rear shock absorber mounting plate, the concentration of the impact force is reduced, the partial force is not too large, and partial structures are not damaged, the dynamic stiffness of the rear shock absorber mounting plate is improved, the bending and torsional stiffness and the durability and reliability of the rear body structure are improved, the reliability and the service life of the rear body structure are ensured, and the modal and the NVH performance of the rear body structure are improved.
[0019] In addition, the vehicle body assembly according to the embodiments of the present application can have the following additional technical features:
[0020] In some embodiments, the vehicle body assembly further comprises: a hat rack assembly extending in the left-right direction, and the two ends of the hat rack assembly in the left-right direction are respectively connected with the sill plate assemblies of the two rear body structures.
[0021] In some embodiments, the vehicle body assembly further comprises: a roof rear cross beam assembly extending in the left-right direction, two ends of the roof rear cross beam assembly in the left-right direction are connected with upper ends of the two vehicle body rear structures respectively.
[0022] The utility model further provides a vehicle with the above-mentioned embodiment.
[0023] According to the vehicle of the utility model embodiment, through the vehicle body assembly, the front end and the rear end of the first reinforcing plate are connected with the front end and the rear end of the window sill plate assembly respectively, the front end and the rear end of the rear shock absorber mounting plate are connected with the front end and the rear end of the window sill plate assembly respectively, the rear shock absorber mounting plate can transmit the impact force to the window sill plate assembly and the first reinforcing plate, the window sill plate assembly and the first reinforcing plate can effectively absorb and disperse the impact force of the rear shock absorber mounting plate, the impact force concentration is reduced, the partial structure is prevented from being damaged due to the excessive local force, the dynamic stiffness of the rear shock absorber mounting plate is improved, the bending and torsional stiffness and the durability and reliability of the vehicle body rear structure are improved, the reliability and the service life of the vehicle body rear structure are ensured, and the modal and the NVH performance of the vehicle body rear structure are improved.
[0024] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0025] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:
[0026] Figure 1 It is the left view of the rear side wall reinforcing plate assembly of the vehicle body rear structure according to the utility model embodiment;
[0027] Figure 2 It is the left view of the vehicle body assembly according to the utility model embodiment;
[0028] Figure 3 It is the sectional view of the vehicle body assembly according to the utility model embodiment;
[0029] Figure 4 It is the sectional view of the vehicle body assembly according to the utility model embodiment, wherein the rear side wall upper inner plate is not shown;
[0030] Figure 5 It is the rear view of the vehicle body assembly according to the utility model embodiment;
[0031] Figure 6 It is the left view of the vehicle body rear structure according to the utility model embodiment.
[0032] REFERENCE NUMERALS:
[0033] 100. a body assembly;
[0034] 10. a rear body structure;
[0035] 1. a rear quarter inner panel assembly; 11. a window sill plate assembly; 12. a rear quarter upper inner panel; 13. a wheelhouse inner panel assembly;
[0036] 2. a rear quarter reinforcement panel assembly; 21. a first reinforcement panel; 22. a second reinforcement panel; 221. an upper reinforcement panel; 222. a rear reinforcement panel; 23. a C-pillar reinforcement panel; 24. a rear end of door sill reinforcement panel;
[0037] 3. a rear shock absorber mounting plate;
[0038] 20. a coat hanger assembly;
[0039] 30. a roof header assembly. DETAILED DESCRIPTION
[0040] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and should not be understood as limiting the present application.
[0041] In the description of the present application, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0042] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0043] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection, also can be communication;Can be direct connection, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements or the interaction of two elements.For the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0044] The rear body structure 10 according to the embodiments of the utility model is described below with reference to the drawings.
[0045] As shown in Figure 4 and Figure 6 , the rear body structure 10 according to the embodiments of the utility model is used for a vehicle and comprises a rear quarter inner panel assembly 1, a rear quarter reinforcement panel assembly 2 and a rear shock absorber mounting panel 3.
[0046] Specifically, referring to the drawings Figure 3 , the rear quarter inner panel assembly 1 comprises a window sill panel assembly 11, which extends in the up-down direction (as shown in Figure 3 ), and is arranged at the lower part of the rear window of the vehicle, can effectively fix the rear window glass, prevent the rear window glass from shaking or loosening, ensure the use effect of the rear window, can effectively increase the structural strength of the rear body structure 10, improve the stability and safety of the vehicle, and the design of the window sill panel assembly 11 can also help to form perfect body lines, thereby improving the appearance of the vehicle.
[0047] Further, referring to the drawings Figure 4 , the rear quarter reinforcement panel assembly 2 is located outside the rear quarter inner panel assembly 1 and is connected with the rear quarter inner panel assembly 1, for improving the structural strength and rigidity of the whole rear body structure 10, so that the rear body structure 10 can better withstand the impact force when colliding, helps to maintain the integrity of the rear body structure 10 when the vehicle faces external impact force, reduces the deformation and damage of the rear body structure 10, improves the safety performance of the vehicle, reduces the risk of injury to passengers, and protects the safety of passengers.
[0048] Still further, referring to the drawings Figure 1 , drawings Figure 2 and drawings Figure 6 , the rear quarter reinforcement panel assembly 2 comprises a first reinforcement panel 21, which is connected to the outside of the window sill panel assembly 11 and extends in the up-down direction, and the front end and the rear end of the first reinforcement panel 21 are respectively connected with the front end and the rear end of the window sill panel assembly 11.
[0049] Still further, referring to the drawings Figure 6As shown, the rear shock absorber mounting plate 3 is used for supporting and fixing the rear shock absorber, ensuring that the rear shock absorber can work stably during the driving of the vehicle, preventing the rear shock absorber from loosening or displacement during driving, thereby guaranteeing the stability and reliability of the rear suspension system, the rear shock absorber mounting plate 3 is arranged on the rear inner panel assembly 1 and located outside the window sill plate assembly 11, the rear shock absorber mounting plate 3 extends in the up-down direction, and the front end and the rear end of the rear shock absorber mounting plate 3 are respectively connected with the front end and the rear end of the window sill plate assembly 11.
[0050] It can be understood that the front end and the rear end of the rear shock absorber mounting plate 3 are connected with the window sill plate assembly 11, the upper end of the rear shock absorber mounting plate 3 is connected with the first reinforcing plate 21, and the rear shock absorber mounting plate 3 can transmit the impact force received to the window sill plate assembly 11 and the first reinforcing plate 21, so that the window sill plate assembly 11 and the first reinforcing plate 21 can effectively absorb and disperse the impact force received by the rear shock absorber mounting plate 3, reduce the local excessive stress caused by the concentration of impact force and cause partial structure damage, improve the dynamic stiffness of the rear shock absorber mounting plate 3, improve the bending and torsional stiffness and durability reliability of the rear body structure 10, improve the modal and NVH (Noise, Vibration, Harshness) performance of the rear body structure 10, and guarantee the smooth driving of the vehicle.
[0051] It should be noted that the rear body structure 10 of the utility model is described in detail by combining the accompanying drawings. Figure 3 As shown, the rear inner panel assembly 1 further comprises a wheel cover inner panel assembly 13, the wheel cover inner panel assembly 13 is located outside the window sill plate assembly 11 and is mainly used for wrapping the tire, preventing rainwater, sludge and the like from splashing into the engine compartment, thereby protecting the vehicle interior from damage and making the bottom of the vehicle look more neat and orderly, and the rear shock absorber mounting plate 3 is welded with the wheel cover inner panel assembly 13.
[0052] According to the rear body structure 10 of the utility model, the front end and the rear end of the first reinforcing plate 21 are respectively connected with the front end and the rear end of the window sill plate assembly 11, the front end and the rear end of the rear shock absorber mounting plate 3 are respectively connected with the front end and the rear end of the window sill plate assembly 11, the rear shock absorber mounting plate 3 can transmit the impact force received to the window sill plate assembly 11 and the first reinforcing plate 21, so that the window sill plate assembly 11 and the first reinforcing plate 21 can effectively absorb and disperse the impact force received by the rear shock absorber mounting plate 3, reduce the local excessive stress caused by the concentration of impact force and cause partial structure damage, improve the dynamic stiffness of the rear shock absorber mounting plate 3, improve the bending and torsional stiffness and durability reliability of the rear body structure 10, guarantee the reliability and service life of the rear body structure 10, and improve the modal and NVH performance of the rear body structure 10.
[0053] In some embodiments of the utility model, the rear body structure 10 is described in detail by combining the accompanying drawings. Figure 4 and the accompanying drawings. Figure 6As shown, the front end of the first reinforcing plate 21 and the front end of the rear shock absorber mounting plate 3 are flush with the front end of the window sill plate assembly 11, and the rear end of the first reinforcing plate 21 and the rear end of the rear shock absorber mounting plate 3 are flush with the rear end of the window sill plate assembly 11, which can increase the force transmission area of the rear shock absorber mounting plate 3 and the window sill plate assembly 11 and the window sill plate assembly 11 and the first reinforcing plate 21 as much as possible, so that the window sill plate assembly 11 and the first reinforcing plate 21 can absorb and disperse the impact force received by the rear shock absorber mounting plate 3 as much as possible, improve the dynamic stiffness of the rear shock absorber mounting plate 3, ensure the reliability and service life of the rear shock absorber mounting plate 3, improve the bending and torsional stiffness and durability reliability of the rear body structure 10, improve the modal and NVH performance of the rear body structure 10, and ensure the smooth driving of the vehicle.
[0054] In some embodiments of the utility model, the rear shock absorber mounting plate 3 is located at the lower side of the first reinforcing plate 21, the front end and the rear end of the rear shock absorber mounting plate 3 are flush with the front end and the rear end of the first reinforcing plate 21 respectively, the first cavity is defined between the window sill plate assembly 11 and the rear shock absorber mounting plate 3, the existence of the first cavity can absorb the impact energy received by the rear shock absorber mounting plate 3, which is beneficial to improve the reliability and stability of the rear body structure 10, improve the damping effect of the rear body structure 10, improve the modal and NVH performance of the rear body structure 10, the second cavity is defined between the window sill plate assembly 11 and the first reinforcing plate 21, the existence of the second cavity can absorb the impact energy received by the first reinforcing plate 21 and the window sill plate assembly 11, which is beneficial to improve the reliability and stability of the rear body structure 10, improve the damping effect of the rear body structure 10, improve the modal and NVH performance of the rear body structure 10, the first cavity and the second cavity are arranged and communicated in the up-down direction, through the communication between the first cavity and the second cavity, the impact force received by the rear shock absorber mounting plate 3 can be better transmitted to the second cavity through the first cavity, further absorbing the impact energy from the rear shock absorber mounting plate 3, which is beneficial to improve the reliability and stability of the rear body structure 10, improve the damping effect of the rear body structure 10, improve the modal and NVH performance of the rear body structure 10.
[0055] In further embodiments of the utility model, the front end and the rear end of the connecting edge of the first cavity are flush with the front end and the rear end of the connecting edge of the second cavity, which can increase the force transmission area of the rear shock absorber mounting plate 3 and the window sill plate assembly 11 and the window sill plate assembly 11 and the first reinforcing plate 21 as much as possible, so that the window sill plate assembly 11 and the first reinforcing plate 21 can absorb and disperse the impact force received by the rear shock absorber mounting plate 3 as much as possible, improve the dynamic stiffness of the rear shock absorber mounting plate 3, ensure the reliability and service life of the rear shock absorber mounting plate 3, improve the bending and torsional stiffness and durability reliability of the rear body structure 10, improve the modal and NVH performance of the rear body structure 10, and ensure the smooth driving of the vehicle.
[0056] In some embodiments of the present application, reference is made to the accompanying drawings Figure 3 and the accompanying drawings Figure 4 As shown in the accompanying drawings, the vehicle has a rear window, the window sill plate assembly 11 and the first reinforcing plate 21 are both located on the lower side of the rear window, the rear quarter inner panel assembly 1 further comprises a rear quarter upper inner panel 12, the rear quarter upper inner panel 12 is connected to the upper end of the window sill plate assembly 11 and extends along the outer peripheral wall of the rear window, the rear quarter reinforcing plate assembly 2 further comprises a second reinforcing plate 22, the second reinforcing plate 22 is connected to the outer side of the rear quarter upper inner panel 12 and extends along the outer peripheral wall of the rear window, the second reinforcing plate 22 can improve the structural strength and rigidity of the rear quarter upper inner panel 12, thereby improving the reliability and stability of the entire vehicle body rear structure 10, so that the vehicle body rear structure 10 can better withstand the impact force when colliding, which helps to maintain the integrity of the vehicle body rear structure 10 when the vehicle is faced with external impact force, reduces the deformation and damage of the vehicle body rear structure 10, improves the safety performance of the vehicle, reduces the risk of injury to passengers, and protects the safety of passengers. In one specific example, as shown in the accompanying drawings, the rear window is a triangular window. Figure 3
[0057] It should be noted that, by providing the rear quarter upper inner panel 12 and the second reinforcing plate 22, the impact force received by the rear shock absorber mounting plate 3 can be first transmitted to the window sill plate assembly 11 and the first reinforcing plate 21, and then transmitted to the rear quarter upper inner panel 12 and the second reinforcing plate 22, so that the vehicle body rear structure 10 forms a continuous force transmission path, optimizes the force transmission path, further absorbs and disperses the impact force received by the rear shock absorber mounting plate 3, improves the stiffness performance of the vehicle body rear structure 10, improves the bending and torsional stiffness and durability reliability of the vehicle body rear structure 10, improves the modal and NVH performance of the vehicle body rear structure 10, and ensures the smooth driving of the vehicle.
[0058] It should be noted that, as shown in the accompanying drawings, by extending the rear quarter upper inner panel 12 and the second reinforcing plate 22 along the outer peripheral wall of the rear window, the force transmission path of the vehicle body rear structure 10 can be avoided from the rear window area, and the impact force can be transmitted from the side of the rear window area, without the need to reduce the rear window due to the consideration of the force transmission path, which relatively guarantees the field of view of the rear window and the riding experience of the passengers. Further, since the force transmission path of the vehicle body rear structure 10 is avoided from the rear window area, the field of view of the rear window can even be enlarged, providing passengers with a more open riding view. Figure 3 Figure 4 It should be noted that, as shown in the accompanying drawings, by extending the rear quarter upper inner panel 12 and the second reinforcing plate 22 along the outer peripheral wall of the rear window, the force transmission path of the vehicle body rear structure 10 can be avoided from the rear window area, and the impact force can be transmitted from the side of the rear window area, without the need to reduce the rear window due to the consideration of the force transmission path, which relatively guarantees the field of view of the rear window and the riding experience of the passengers. Further, since the force transmission path of the vehicle body rear structure 10 is avoided from the rear window area, the field of view of the rear window can even be enlarged, providing passengers with a more open riding view.
[0059] In further embodiments of the present application, reference is made to the accompanying drawings Figure 1 and the accompanying drawings Figure 4 As shown in the accompanying drawings, the second reinforcing plate 22 comprises an upper reinforcing plate 221 and a rear reinforcing plate 222, the upper reinforcing plate 221 is located on the upper side of the rear window and extends in the front-rear direction (such as the X direction shown in the drawings), and the rear reinforcing plate 222 is located on the lower side of the rear window and extends in the front-rear direction (such as the X direction shown in the drawings).Figure 1 As shown in the figure, the upper reinforcing plate 221 is inclined downward in the front-to-rear direction, the rear reinforcing plate 222 is located at the rear side of the rear window, the rear end of the rear reinforcing plate 222 is connected with the rear end of the upper reinforcing plate 221 and the upper end of the first reinforcing plate 21, and the rear end of the rear reinforcing plate 222 is flush with and connected with the rear end of the window sill assembly 11, so that the force transmission area of the rear reinforcing plate 222 and the window sill assembly 11 can be increased as much as possible, the impact force is transmitted to the rear reinforcing plate 222 and the rear upper inner panel 12 as much as possible after the window sill assembly 11 absorbs the impact force from the rear shock absorber mounting plate 3 and the first reinforcing plate 21, and then the impact force is transmitted to the upper reinforcing plate 221, so that the rear reinforcing plate 222, the upper reinforcing plate 221 and the rear upper inner panel 12 can effectively absorb and disperse the impact force received by the rear shock absorber mounting plate 3, the bending and torsional stiffness and durability reliability of the rear body structure 10 are improved, the reliability and service life of the rear body structure 10 are ensured, the modal and NVH performance of the rear body structure 10 are improved, and the smooth driving of the vehicle is ensured.
[0060] In a further embodiment of the present application, reference is made to the accompanying Figure 1 and the accompanying Figure 2 As shown in the figure, the rear side wall reinforcing plate assembly 2 further comprises a C-pillar reinforcing plate 23 and a threshold rear end reinforcing plate 24, the C-pillar reinforcing plate 23 is located at the front side of the rear window and connected with the second reinforcing plate 22, the C-pillar reinforcing plate 23 extends in the up-down direction, for enhancing the strength and stiffness of the C-pillar, improving the anti-tilting ability, crashworthiness and driving stability of the vehicle, and improving the overall safety and stability of the vehicle, and the threshold rear end reinforcing plate 24 is connected with the lower end of the C-pillar reinforcing plate 23 and extends in the front-rear direction, for enhancing the strength and stiffness of the threshold rear end, preventing the threshold from deforming or breaking in extreme conditions such as collision or rollover, thereby protecting the integrity of the passenger compartment, reducing the risk of injury to passengers, and improving the overall safety and stability of the vehicle.
[0061] It should be noted that, by arranging the C-pillar reinforcing plate 23 and the threshold rear end reinforcing plate 24, the impact force received by the rear shock absorber mounting plate 3 can be first transmitted to the window sill assembly 11 and the first reinforcing plate 21, then transmitted to the rear upper inner panel 12 and the second reinforcing plate 22, and finally transmitted to the threshold rear end reinforcing plate 24 through the C-pillar reinforcing plate 23, so that the rear body structure 10 forms a continuous force transmission path, the force transmission path is optimized, the impact force received by the rear shock absorber mounting plate 3 is further absorbed and dispersed, the stiffness performance of the rear body structure 10 is improved, the bending and torsional stiffness and durability reliability of the rear body structure 10 are improved, the modal and NVH performance of the rear body structure 10 are improved, and the smooth driving of the vehicle is ensured.
[0062] In some embodiments of this utility model, the rear side panel assembly 1, the rear side panel reinforcement plate assembly 2, and the rear shock absorber mounting plate 3 are welded together, which can ensure the stability of the connection between the rear side panel assembly 1, the rear side panel reinforcement plate assembly 2, and the rear shock absorber mounting plate 3, and ensure the structural strength and stability of the rear structure 10 of the vehicle body. This makes the rear structure 10 of the vehicle body have better robustness and shock resistance. In addition, the welding process is relatively simple, which can save raw materials, maximize the utilization of materials, and improve the economic benefits of the rear structure 10 of the vehicle body.
[0063] It should be noted that by welding the rear side inner panel assembly 1, the rear side reinforcement plate assembly 2, and the rear shock absorber mounting plate 3 together, a connected cavity can be defined between the rear shock absorber mounting plate 3, the window sill assembly 11, the first reinforcement plate 21, the rear side upper inner panel 12, the rear reinforcement plate 222, the upper reinforcement plate 221, the C-pillar reinforcement plate 23, and the sill rear reinforcement plate 24. This can better absorb the impact force received by the rear shock absorber mounting plate 3, which is beneficial to improving the reliability and stability of the rear structure 10 of the vehicle body, improving the shock absorption effect of the rear structure 10 of the vehicle body, and improving the modal and NVH performance of the rear structure 10 of the vehicle body.
[0064] This utility model also proposes a vehicle body assembly 100 having the rear structure 10 of the above embodiments.
[0065] like Figure 5 As shown, the vehicle body assembly 100 according to an embodiment of the present utility model includes the aforementioned rear vehicle body structure 10.
[0066] Specifically, see the attached document. Figure 5 As shown, there are two rear body structures 10, which are arranged along the left and right sides of the vehicle (e.g., Figure 5 As shown, the vehicle has rear shock absorbers on both the left and right sides, spaced apart. The two rear shock absorbers are respectively mounted on the rear shock absorber mounting plates 3 of the two rear body structures 10. The two rear body structures 10 have multiple force transmission paths to fully absorb and disperse the impact force received by the rear shock absorber mounting plates 3, reduce the concentration of impact force that may cause excessive local stress and damage to some structures, improve the dynamic stiffness of the rear shock absorber mounting plates 3, improve the bending and torsional stiffness and durability of the rear body structure 10, improve the modal and NVH performance of the rear body structure 10, and ensure the smooth driving of the vehicle.
[0067] According to the vehicle body assembly 100, the rear body structure 10 is provided, the front end and the rear end of the first reinforcing plate 21 are correspondingly connected with the front end and the rear end of the window sill plate assembly 11, the front end and the rear end of the rear shock absorber mounting plate 3 are correspondingly connected with the front end and the rear end of the window sill plate assembly 11, the impact force received by the rear shock absorber mounting plate 3 can be transmitted to the window sill plate assembly 11 and the first reinforcing plate 21, the window sill plate assembly 11 and the first reinforcing plate 21 can effectively absorb and disperse the impact force received by the rear shock absorber mounting plate 3, the impact force is not concentrated to cause local excessive stress and cause partial structure damage, the dynamic stiffness of the rear shock absorber mounting plate 3 is improved, the bending and torsional stiffness and the durability and reliability of the rear body structure 10 are improved, the reliability and the service life of the rear body structure 10 are ensured, and the modal and the NVH performance of the rear body structure 10 are improved.
[0068] In some embodiments of the utility model, reference is made to the accompanying drawings Figure 4 and the accompanying drawings Figure 5 As shown in the accompanying drawings, the vehicle body assembly 100 further comprises a hat rack assembly 20, the hat rack assembly 20 is provided for passengers to place some light articles, and can effectively shield the articles in the luggage compartment, protect the privacy of passengers, the hat rack assembly 20 extends along the left-right direction, the two ends of the hat rack assembly 20 along the left-right direction are connected with the window sill plate assemblies 11 of the two rear body structures 10 respectively, the rear shock absorber mounting plates 3 of the two rear body structures 10 can transmit the impact force received to the window sill plate assemblies 11 first, then the impact force absorbed by the two window sill plate assemblies 11 can be transmitted to the hat rack assembly 20 simultaneously, the communication between the two rear body structures 10 is realized, the hat rack assembly 20 and the rear shock absorber mounting plates 3, the window sill plate assemblies 11 and the first reinforcing plates 21 of the two rear body structures 10 jointly form a force transmission path, the force transmission path of the vehicle body assembly 100 can be further optimized, the impact force received by the rear shock absorber mounting plate 3 is absorbed and dispersed, the structural strength of the vehicle body assembly 100 is improved, and the bending and torsional stiffness, the durability and reliability and the NVH performance of the whole vehicle are greatly improved.
[0069] In some embodiments of the utility model, reference is made to the accompanying drawings Figure 4 and the accompanying drawings Figure 5As shown, the vehicle body assembly 100 further comprises a roof rear cross beam assembly 30, which serves as a load-bearing member of the roof of the vehicle body, can provide necessary support for the roof, ensure the overall stability and strength of the vehicle body structure, effectively absorb and disperse impact force in a collision accident, protect the safety of passengers, the roof rear cross beam assembly 30 extends along the left-right direction, and the two ends of the roof rear cross beam assembly 30 along the left-right direction are respectively connected with the upper ends of the two vehicle body rear structures 10, specifically, the two ends of the roof rear cross beam assembly 30 along the left-right direction are respectively connected with the rear quarter upper inner panel 12 and the upper reinforcement plate 221 of the two vehicle body rear structures 10, the rear shock absorber mounting plate 3 of the two vehicle body rear structures 10 can first transmit the impact force received to the window sill plate assembly 11 and the first reinforcement plate 21, and then to the rear quarter upper inner panel 12 and the rear reinforcement plate 222 and the upper reinforcement plate 221, and then the impact force absorbed by the two upper reinforcement plates 221 can be transmitted to the roof rear cross beam assembly 30 at the same time, realizing the communication between the two vehicle body rear structures 10, so that the roof rear cross beam assembly 30 and the rear shock absorber mounting plate 3, the window sill plate assembly 11, the first reinforcement plate 21, the rear quarter upper inner panel 12, and the second reinforcement plate 22 of the two vehicle body rear structures 10 form a force transmission path together, which can further optimize the force transmission path of the vehicle body assembly 100, absorb and disperse the impact force received by the rear shock absorber mounting plate 3, improve the structural strength of the vehicle body assembly 100, and greatly improve the bending and torsional stiffness, durability and reliability, and NVH performance of the vehicle.
[0070] It should be noted that the vehicle body assembly 100 has a multi-channel force transmission path, which can effectively solve the problem of local structure damage or connection failure caused by too concentrated impact load, and further improve the reliability and stability of the vehicle body assembly 100.
[0071] The utility model further provides a vehicle with the vehicle body assembly 100 of above-mentioned embodiment.
[0072] According to the vehicle of the utility model embodiment, through being provided with the above-mentioned vehicle body assembly 100, by making the front end and rear end of the first reinforcement plate 21 correspondingly connected with the front end and rear end of the window sill plate assembly 11, and the front end and rear end of the rear shock absorber mounting plate 3 correspondingly connected with the front end and rear end of the window sill plate assembly 11, the rear shock absorber mounting plate 3 can transmit the impact force received to the window sill plate assembly 11 and the first reinforcement plate 21, so that the window sill plate assembly 11 and the first reinforcement plate 21 can effectively absorb and disperse the impact force received by the rear shock absorber mounting plate 3, reduce the local excessive stress caused by the concentration of impact force, improve the dynamic stiffness of the rear shock absorber mounting plate 3, improve the bending and torsional stiffness and durability of the vehicle body rear structure 10, guarantee the reliability and service life of the vehicle body rear structure 10, and improve the modal and NVH performance of the vehicle body rear structure 10.
[0073] Other configurations and operations of the rear body structure 10, the body assembly 100 and the vehicle are known to those skilled in the art, and are not described in detail here.
[0074] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.
[0075] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.
Claims
1. A vehicle body rear structure characterized by comprising: A vehicle body rear structure for a vehicle, comprising: a rear quarter inner panel assembly including a window sill panel assembly extending in a vertical direction; a rear quarter reinforcement panel assembly including a first reinforcement panel connected to an outer side of the window sill panel assembly and extending in the vertical direction, a front end and a rear end of the first reinforcement panel being connected to a front end and a rear end of the window sill panel assembly, respectively; a rear shock absorber mounting panel provided on the rear quarter inner panel assembly and located at an outer side of the window sill panel assembly, the rear shock absorber mounting panel extending in the vertical direction, a front end and a rear end of the rear shock absorber mounting panel being connected to the front end and the rear end of the window sill panel assembly, respectively.
2. The vehicle body rear structure according to claim 1, characterized by The front end of the first reinforcement panel and the front end of the rear shock absorber mounting panel are flush with the front end of the window sill panel assembly, and the rear end of the first reinforcement panel and the rear end of the rear shock absorber mounting panel are flush with the rear end of the window sill panel assembly.
3. The vehicle body rear structure according to claim 1, characterized by The rear shock absorber mounting panel is located at a lower side of the first reinforcement panel, the front end and the rear end of the rear shock absorber mounting panel are flush with the front end and the rear end of the first reinforcement panel, respectively, a first cavity is defined between the window sill panel assembly and the rear shock absorber mounting panel, and a second cavity is defined between the window sill panel assembly and the first reinforcement panel, the first cavity and the second cavity being arranged and communicated in the vertical direction.
4. The vehicle body rear structure according to claim 3, characterized by The front end and the rear end of a connecting edge of the first cavity are flush with the front end and the rear end of a connecting edge of the second cavity, respectively.
5. The vehicle body rear structure according to claim 1, characterized by The vehicle has a rear window, the window sill panel assembly and the first reinforcement panel are located at a lower side of the rear window, the rear quarter inner panel assembly further includes a rear quarter upper inner panel connected to an upper end of the window sill panel assembly and extending along a peripheral wall of the rear window, and the rear quarter reinforcement panel assembly further includes a second reinforcement panel connected to an outer side of the rear quarter upper inner panel and extending along the peripheral wall of the rear window.
6. The vehicle body rear structure according to claim 5, characterized by The second reinforcement panel includes: an upper reinforcement panel located at an upper side of the rear window and extending in a front-rear direction, the upper reinforcement panel being inclined downward in a direction from front to rear; a rear reinforcement panel located at a rear side of the rear window, the rear reinforcement panel being connected to a rear end of the upper reinforcement panel and an upper end of the first reinforcement panel, and a rear end of the rear reinforcement panel being flush with and connected to a rear end of the window sill panel assembly.
7. The vehicle body rear structure according to claim 5, characterized by The rear quarter reinforcement panel assembly further includes: a C-pillar reinforcement panel located at a front side of the rear window and connected to the second reinforcement panel, the C-pillar reinforcement panel extending in the vertical direction; a rocker panel rear end reinforcement panel connected to a lower end of the C-pillar reinforcement panel and extending in the front-rear direction.
8. The vehicle body rear structure according to claim 1, characterized by The rear quarter inner panel assembly, the rear quarter reinforcement panel assembly, and the rear shock absorber mounting panel are connected by welding.
9. A vehicle body assembly characterized by, The vehicle body assembly further includes:
10. The vehicle body assembly of claim 9, wherein, The coat rack assembly extends along the left-right direction, and two ends of the coat rack assembly along the left-right direction are respectively connected with the window sill plate assemblies of the two rear body structures.
11. The vehicle body assembly of claim 9, wherein, The vehicle body assembly further comprises: The roof rear cross beam assembly extends along the left-right direction, and two ends of the roof rear cross beam assembly along the left-right direction are respectively connected with the upper ends of the two rear body structures.
12. A vehicle characterized by comprising: The vehicle body assembly comprises the coat rack assembly according to any one of claims 9-11.