Rear panel structure and vehicle

Abstract

The utility model relates to the technical field of vehicles, aims to solve the technical problem that some known vehicles cannot integrate the structural design of a rear panel and a rear bumper and the occupied space of the rear panel and the rear bumper, and provides a rear panel structure and a vehicle. The rear wall plate structure comprises a rear wall outer plate, a rear wall inner plate and a reinforcing coating. The rear wall inner plate is arranged on the side, away from the rear bumper in the first direction, of the rear wall outer plate, a cavity is defined by the rear wall outer plate and the rear wall inner plate, the rear wall outer plate comprises a stress area, the stress area is right opposite to the rear bumper in the first direction, and the stress area is used for bearing impact force applied by the rear bumper. The first direction intersects or is perpendicular to the length direction of the rear wall outer plate. The stress area is coated with the reinforcing coating, and the reinforcing coating is used for reinforcing the strength of the stress area. The rear panel structure has the beneficial effects that the structural design of the rear panel and the rear bumper can be considered, and the occupied space of the rear panel and the rear bumper is reduced.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a rear panel structure and a vehicle. Background Art

[0002] There is usually a gap between the rear panel and the rear bumper of existing vehicles to ensure that the rear bumper does not collide with the rear panel when hit. However, as the shape of vehicles becomes more and more complex, the structure of the rear bumper of the vehicle is also more complex, and occupies the gap between the rear bumper and the rear panel. As a result, the existing vehicle design either lengthens the distance between the rear panel and the rear bumper, or requires a concave area to be set on the side of the rear panel facing the rear bumper. The former cannot meet the vehicle design requirements, and the latter will affect the performance of the rear panel itself. Utility Model Content

[0003] The present application provides a rear panel structure and a vehicle to solve the technical problem that the vehicle cannot take into account the structural design of the rear panel and the rear bumper and the space occupied by the rear panel and the rear bumper.

[0004] The embodiment of the present application is implemented as follows:

[0005] In a first aspect, the present application provides a rear panel structure, which is spaced apart from a rear bumper along a first direction, and comprises a rear panel outer panel, a rear panel inner panel and a reinforcing coating. The rear panel inner panel is arranged on a side of the rear panel outer panel away from the rear bumper along the first direction, the rear panel outer panel and the rear panel inner panel enclose a cavity, the rear panel outer panel comprises a force-bearing area, the force-bearing area is arranged opposite to the rear bumper along the first direction, and the force-bearing area is used to bear the impact force applied by the rear bumper, and the first direction intersects or is perpendicular to the length direction of the rear panel outer panel. The reinforcing coating is applied to the force-bearing area, and the reinforcing coating is used to strengthen the strength of the force-bearing area.

[0006] The rear panel structure of the present application is coated with a reinforcing coating in the stress-bearing area, so that the strength of the stress-bearing area is improved, thereby increasing the maximum impact force that the stress-bearing area can withstand without being damaged. At the same time, the maximum impact force that the rear panel can withstand is directly related to the distance between the rear panel and the rear bumper along the first direction, that is, when the distance is larger, the force applied to the stress-bearing area when the rear bumper hits the stress-bearing area is smaller. In this way, when the maximum impact force that the stress-bearing area can withstand increases, the distance between the rear panel and the rear bumper along the first direction can also be reduced accordingly. In this way, the distance between the rear panel structure and the rear bumper can be reduced under the premise of the complexity of the structure of the rear bumper, thereby meeting the requirements of the complexity of the vehicle shape and the RCAR collision performance of the rear panel structure at the same time. Since the stress-bearing area will not be damaged after being impacted, there is no need to replace parts during vehicle maintenance, which can greatly reduce the maintenance cost of the rear panel structure and ensure the economic efficiency of maintenance.

[0007] In one possible implementation:

[0008] The thickness of the stress-bearing area is H1, the thickness of the reinforcement coating is H2, and 0.9≤H2 / H1≤1.6.

[0009] In one possible implementation:

[0010] The rear enclosure outer panel includes a first side panel and a first inclined panel, the first side panel is bent and connected to the first inclined panel, and the first side panel is arranged between the rear enclosure inner panel and the rear bumper along a first direction, the angle between the first side panel and the first inclined panel is an obtuse angle, and one end of the first inclined panel away from the first side panel is inclined downward along the first direction, and the force-bearing area extends from the first side panel to the first inclined panel.

[0011] In one possible implementation:

[0012] The rear outer panel is provided with a first reinforcing structure formed inwardly and / or outwardly convexly, and the extension direction of the projection of the first reinforcing structure on the horizontal plane is parallel to the first direction.

[0013] In one possible implementation:

[0014] The rear enclosure inner panel includes a second side panel and a third side panel, the second side panel is bent and connected to the third side panel, the second side panel and the first side panel are spaced apart along a first direction, the third side panel and the first inclined panel are spaced apart along a third direction, and the second side panel, the first inclined panel, the first side panel and the third side panel are sequentially connected to form the cavity.

[0015] In one possible implementation:

[0016] One end of the second side plate close to the first inclined plate along the third direction is inclined toward the first side plate, and a first avoidance groove recessed toward the first side plate is provided in the middle of the second side plate in the length direction.

[0017] In one possible implementation:

[0018] The rear panel structure further includes a second reinforcement structure, which is configured to be formed as a portion of the second side panel in a concave or convex manner.

[0019] In one possible implementation:

[0020] The rear outer panel also includes a connecting plate, which includes a first surface segment and a second surface segment, the first surface segment is bent and connected to the first inclined plate, the first surface segment is connected to the second side plate on a side close to the first inclined plate, the second surface segment is bent and connected to the first surface segment, and the second surface segment is located on a side of the first surface segment that is away from the first side plate along the first direction.

[0021] In a second aspect, the present application provides a vehicle, comprising a vehicle body and a rear bumper. The vehicle body comprises the aforementioned rear panel structure. The rear bumper is arranged on a side of the rear panel structure away from the front of the vehicle body along a first direction.

[0022] In one possible implementation:

[0023] The reinforcing coating has a first edge and a second edge arranged opposite to each other along a first direction. Along the first direction, the first edge is arranged between the second edge and the rear bumper. The distance between the first edge and the rear bumper along the first direction is L1, and the distance between the second edge and the rear bumper along the first direction is L2, L2>L1, and L1≥55mm, L2≤80mm. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 This is a schematic structural diagram of a rear panel structure according to an embodiment of the present application.

[0026] Figure 2 A side view of the rear panel structure and the rear bumper in cooperation with each other according to an embodiment of the present application.

[0027] Figure 3 for Figure 1 Partial side cross-sectional view of the center rear panel structure.

[0028] Figure 4 for Figure 1 Schematic diagram of the structure of the rear outer panel of the mid-rear panel structure.

[0029] Figure 5 for Figure 1 Schematic diagram of the structure of the center rear panel from another perspective.

[0030] Figure 6 for Figure 1 Exploded view of the center rear quarter panel structure.

[0031] Figure 7 for Figure 6 Another exploded view of the center rear panel structure.

[0032] Figure 8 A schematic diagram of the partial structure of a vehicle according to an embodiment of the present application.

[0033] Description of main component symbols:

[0034]

[0035]

[0036] DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0038] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may also be a centered element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a centered element. When an element is considered to be "set on" another element, it may be directly set on the other element or there may also be a centered element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present application. The terms used herein in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0040] Some embodiments of the present application are described in detail. In the absence of conflict, the following embodiments and features of the embodiments can be combined with each other.

[0041] In the field of vehicles, there is RCAR (Research Council for Automobile Repairs), which has formulated low-speed collision performance standards for vehicles for insurance companies to use as an important reference and basis for formulating vehicle insurance levels. Based on the low-speed collision performance standards, low speed refers to a collision speed less than or equal to 15 kilometers per hour. Therefore, in the following description of this embodiment, low speed generally refers to a speed less than or equal to 15 kilometers per hour. In other embodiments, the value of low speed can also be changed accordingly according to actual needs. For example, in order to further improve the strength and impact resistance of the rear panel structure, the upper limit of low speed can also be increased to a certain value above 15 kilometers per hour.

[0042] See also Figure 1 and Figure 2 The present embodiment provides a rear panel structure 100, which is used for a vehicle. The rear panel structure 100 is spaced apart from a rear bumper 202 of the vehicle along a first direction X, and the first direction X is the length direction of the vehicle. The rear panel structure 100 includes a rear panel outer panel 10, a rear panel inner panel 20, and a reinforcing coating 30. The rear panel inner panel 20 is disposed on a side of the rear panel outer panel 10 away from the rear bumper 202 along the first direction X, and the rear panel outer panel 10 and the rear panel inner panel 20 enclose a cavity Q. The rear panel outer panel 10 includes a force-bearing area M, which is disposed opposite to the rear bumper 202 along the first direction X, and the force-bearing area M is used to bear the impact force applied by the rear bumper 202, and the first direction X intersects or is perpendicular to the length direction of the rear panel outer panel 10. The reinforcing coating 30 is applied to the force-bearing area M, and the reinforcing coating 30 is used to strengthen the strength of the force-bearing area M.

[0043] During the actual driving process of the vehicle, due to various accidents or incidents, the rear bumper 202 may collide with the rear panel structure 100 along the impact direction. The impact direction of the rear bumper 202 is parallel to the first direction X, or one of the sub-directions of the impact direction is the first direction X. In this way, the rear bumper 202 will collide with the rear panel outer plate 10 along the first direction X. Therefore, the rear panel outer plate 10 has an area that bears the impact force of the rear bumper 202, which is defined as the force-bearing area M. On vehicles 200 of different models, the position of the force-bearing area M on the rear panel outer plate 10 may also vary. Therefore, this embodiment does not limit the specific position of the force-bearing area M on the rear panel outer plate 10. In addition, the specific position of the force-bearing area M can also be obtained by simulation analysis software. The force-bearing area M can be defined as an area where the collision force is greater than a certain limit value. In other embodiments, the simulation conditions of the force-bearing area M can be adjusted according to actual needs.

[0044] The rear panel structure 100 of this embodiment is coated with a reinforcing coating 30 in the stress area M, so that the strength of the stress area M is improved, thereby increasing the maximum impact force that the stress area M can withstand without being damaged. At the same time, the maximum impact force that the rear panel outer panel 10 can withstand is directly related to the distance between the rear panel outer panel 10 and the rear bumper 202 along the first direction X, that is, when the distance is larger, the force applied to the stress area M by the rear bumper 202 when it hits the stress area M is smaller. In this way, when the maximum impact force that the stress area M can withstand is increased, the distance between the rear panel outer panel 10 and the rear bumper 202 along the first direction X can also be reduced accordingly. In this way, the distance between the rear panel structure 100 and the rear bumper 202 can be reduced under the premise of complicating the structure of the rear bumper 202, thereby simultaneously meeting the requirements of the complex shape of the vehicle 200 and the RCAR collision performance of the rear panel structure 100. Since the stress area M will not be damaged after being impacted, there is no need to replace parts during the maintenance of the vehicle 200, which can greatly reduce the maintenance cost of the rear panel structure 100 and ensure the economic efficiency of maintenance.

[0045] Moreover, on this basis, compared with the existing rear panel structure, the rear panel structure 100 of this embodiment does not need to be designed to avoid the rear panel outer panel 10, so that the cavity Q surrounded by the rear panel outer panel 10 and the rear panel inner panel 20 still has a sufficient size to ensure the modal performance and stiffness of the rear panel structure 100. At the same time, the supporting reinforcement plate in the known technology can be further omitted inside the cavity Q to further reduce the cost of the rear panel structure 100 and improve the production efficiency of the rear panel structure 100. In addition, the cavity Q can improve the stiffness performance of the rear panel structure 100. During the operation of the vehicle 200, the force transmitted from the chassis of the vehicle to the vehicle body 201 can be smoothly transmitted through the rear panel structure 100 with a sufficiently large cavity Q, thereby improving the riding experience of the user.

[0046] In addition, after the reinforcing coating 30 is applied, the critical impact force that the stress area M can withstand without deformation is improved. In this way, the rear outer panel 10 can be made of ultra-deep stamping materials. Ultra-deep stamping materials refer to metal materials with a tensile strength of less than 160MPa, which can be ultra-deep stamping steel plates and other materials, such as DC06 steel plates. In other embodiments, ultra-deep stamping materials can be other materials. After the stress area M is coated with the reinforcing coating 30, the tensile strength of the stress area M can be increased to more than 200MPa, and the impact resistance of the stress area M is still guaranteed. Since the tensile strength of ultra-deep stamping materials is relatively small, it is conducive to designing the features of relatively obvious transition changes in the rear outer panel 10 and the rear inner panel 20, and realizing high-depth part stamping processing, so as to achieve a more complex and rich shape of the rear outer panel 10, thereby meeting the visual needs of users. Furthermore, by using the ultra-deep stamping material, the wall thickness of the rear outer panel 10 can be reduced to a lower value range, thereby reducing the weight of the rear outer panel 10 and further achieving a lightweight design of the vehicle body 201.

[0047] In this embodiment, the material of the reinforcing coating 30 is an elastic protective material, which has a high tensile strength, which can be higher than 20MPa, or higher than 24MPa, and a large elongation at break, which can be higher than 250%, for example, the elongation at break can be as high as 300%. The material of the reinforcing coating 30 can be specifically set to polyurethane elastomer, epoxy resin, silicone, isocyanate prepolymer, etc., and the material of part of the reinforcing coating 30 can also be set to A glue and B glue, wherein A glue can be made of aliphatic isocyanate, cyclic isocyanate or modified isocyanate polymer, and B glue can be made of polyol material. A glue and B glue can be mixed at room temperature and then coated on the surface of the force-bearing area M, thereby ensuring the reinforcing effect on the force-bearing area M.

[0048] The above materials can resist impact. After the force-bearing area M is impacted, the impact force is quickly diffused through its own elasticity to achieve the protection of the impact area. In addition, the reinforced coating 30 formed by mixing A glue and B glue also has high cross-linking degree, high toughness and high strength, which can further improve the protection effect. At the same time, the reinforced coating 30 formed by mixing A glue and B glue also has excellent adhesion ability, which can greatly extend the retention time of the reinforced coating 30 in the force-bearing area M.

[0049] The specific material and specific ratio of the reinforcing coating 30 can be determined based on existing related materials, and will not be described in detail in this embodiment.

[0050] At the same time, compared with the existing thermal spraying of metal or ceramic coatings to the stress-bearing area M, the reinforcement coating 30 of this embodiment is also easy to process. Of course, in other embodiments of the present application, the reinforcement coating 30 can also be set as a metal or ceramic coating.

[0051] In other embodiments, the reinforcement coating 30 may also be coated on the outer surface of the rear enclosure outer panel 10 and the outer surface of the rear enclosure inner panel 20, and the rear enclosure inner panel 20 may also be made of ultra-deep stamping material.

[0052] In this embodiment, see Figure 2 and 3 , the reinforcement coating 30 has a first edge M1 and a second edge M2. The first edge M1 is located on one side of the reinforcement coating 30 along the first direction X, and the second edge M2 is located on the other side of the reinforcement coating 30 along the first direction X. Along the first direction X, the first edge M1 is disposed between the second edge M2 and the rear bumper 202, the first edge M1 and the rear bumper 202 are spaced apart by L1 along the first direction X, the second edge M2 and the rear bumper 202 are spaced apart by L2 along the first direction X, L2>L1, and L1≥55mm, L2≤80mm.

[0053] The spacing L1 can ensure that even if the rear bumper 202 collides with the stress area M, the stress area M will not be damaged under the protection of the reinforced coating 30. The spacing L2 can ensure that in an unexpected situation, the rear bumper 202 can contact the stress area M to maximize the use of the space between the rear bumper 202 and the stress area M.

[0054] In other embodiments, according to the design requirements of different vehicles 200, the specific values ​​of the interval L1 and the interval L2 can be adjusted according to actual needs.

[0055] Optionally, the distance between the first edge M1 and the ground supporting the vehicle 200 is less than 450 mm. In other embodiments, the distance can be adjusted according to actual needs. The distance can be determined based on the highest contact position between the rear bumper 202 and the rear panel structure 100 .

[0056] In this embodiment, see Figure 2 The rear panel structure 100 also includes a plurality of fastening members 41, which are arranged at intervals on the first side panel 11 of the rear panel outer panel 10 along the length direction of the rear panel outer panel 10, and extend toward the rear bumper 202 along the first direction X. The plurality of fastening members 41 are used to fix the upper end of the rear bumper 202 along the third direction Z.

[0057] In this embodiment, see Figure 2The rear panel structure 100 also includes a connecting strip 42, one end of which extends along the third direction Z and is connected to the rear outer panel 10 through the connecting plate 16, and the other end of the connecting strip 42 is bent along the first direction X. The connecting strip 42 is used to connect the lower end of the rear bumper 202 along the third direction Z.

[0058] In this way, the upper end and the lower end of the rear bumper 202 along the third direction Z are both fixed to the rear panel structure 100 , while ensuring that the distance between the rear panel structure 100 and the rear bumper 202 meets the requirements.

[0059] In this embodiment, see Figure 3 , the thickness of the stress-bearing area M is H1, the thickness of the reinforcing coating 30 is H2, 0.9≤H2 / H1≤1.6, within this range, both the economic cost and the reinforcing effect of the reinforcing coating 30 on the stress-bearing area M can be taken into account. Specifically, H1≤0.7 mm, H1 can be set to 0.5 mm, 0.6 mm or 0.7 mm, etc. If H2 / H1 is too high, the coating cost of the reinforcing coating 30 is too high, and the buffering effect brought is not obvious, and the marginal effect is more obvious. If H2 / H1 is too low, the buffering and dispersion effect of the reinforcing coating 30 on the impact force is insufficient, so that the protective effect of the reinforcing coating 30 on the stress-bearing area M is poor.

[0060] For example, H2 / H1 may be set to any one of 0.9, 1, 1.1, 1.2, 1.3, 1.4, 1.5, or 1.6.

[0061] Optionally, 1≤H2 / H1≤1.5, and H2 / H1 can be set to any one of 1, 1.1, 1.2, 1.3, 1.4 or 1.5.

[0062] In this embodiment, see Figure 3 The rear outer panel 10 includes a first side panel 11 and a first inclined panel 12. The first side panel 11 is bent and connected to the first inclined panel 12. Along the first direction X, the first side panel 11 is arranged between the rear inner panel 20 and the rear bumper 202. The angle between the first side panel 11 and the first inclined panel 12 is an obtuse angle. One end of the first inclined panel 12 away from the first side panel 11 is inclined downward along the first direction X, and the force area M extends from the first side panel 11 to the first inclined panel 12.

[0063] In this way, when the force-bearing area M is impacted, the impact force extends toward the first side panel 11 and the first inclined panel 12 respectively, and the obtuse-angle connection between the first inclined panel 12 and the first side panel 11 can not only increase the maximum bearing force of the connection between the first side panel 11 and the first inclined panel 12, but also the obtuse-angle connection can produce an angle-enlarged deformation when the impact force is too large, so as to produce a rotational tipping avoidance effect, thereby further reducing the possibility of damage to the rear outer panel 10 and reducing maintenance costs.

[0064] The angle range between the first side plate 11 and the first inclined plate 12 can be determined according to actual needs.

[0065] Optionally, one end of the first side panel 11 away from the first inclined panel 12 is inclined along the first direction X toward the rear bumper 202 , which can facilitate the dumping avoidance effect of the first side panel 11 and the first inclined panel 12 .

[0066] Alternatively, see Figure 3 , the first edge M1 of the reinforcing coating 30 is located on the first side plate 11, the second edge M2 of the reinforcing coating 30 is located on the first inclined plate 12, and the reinforcing coating 30 extends from the first side plate 11, covers the junction of the first side plate 11 and the first inclined plate 12, and extends to the first inclined plate 12. In this way, the inclined setting of the first inclined plate 12 can also facilitate the adjustment of the height position of the second edge M2.

[0067] In this embodiment, see Figure 4 The rear outer panel 10 is provided with a first reinforcing structure 13 which is concave and / or convex, and the extension direction of the projection of the first reinforcing structure 13 on the horizontal plane is parallel to the first direction X.

[0068] Since the impact direction of the rear bumper 202 is roughly parallel to the first direction X, when the rear outer panel 10 is subjected to an impact force, the first reinforcement structure 13 can provide a certain supporting force for the impact force, so as to reduce the deformation of the rear outer panel 10 under the action of the impact force, further reduce the degree of damage, and reduce the maintenance cost of the rear panel structure 100.

[0069] In this embodiment, see Figure 4 One end of the first reinforcing structure 13 is located on the first side plate 11, and the other end of the first reinforcing structure 13 is located on the first inclined plate 12. The first reinforcing structure 13 extends from the first side plate 11 to the first inclined plate 12, so that the extension direction of the projection of the first reinforcing structure 13 on the horizontal plane is parallel to the first direction X.

[0070] Optionally, when the first side plate 11 and the first inclined plate 12 are unfolded to the same plane, the first reinforcing structure 13 is linear, and in other embodiments, the first reinforcing structure 13 can also be bent in the second direction Y. The second direction Y intersects the first direction X and the third direction Z in pairs.

[0071] Alternatively, see Figure 4The first reinforcement structure 13 includes a first convex rib structure 13a and a first concave structure 13b. The first concave structure 13b is configured to be formed by the middle of the length direction of the rear outer panel 10 being concave in the first direction X away from the rear bumper 202, so as to increase the distance between the rear bumper 202 and the rear bumper 202 along the first direction X, thereby reducing the risk of damage after being hit by the rear bumper 202. The rear outer panel 10 is provided with a plurality of first convex rib structures 13a on both sides of the first concave structure 13b along its length direction. The plurality of first convex rib structures 13a are configured to be formed by the rear outer panel 10 convexing in the first direction X close to the rear bumper 202. The plurality of first convex rib structures 13a can play a role in strengthening the strength of the rear outer panel 10.

[0072] In this embodiment, see Figure 4 The first side plate 11 is also provided with a first liquid leakage structure 14 formed by inner concave and / or outer convex, and the first liquid leakage structure 14 is provided with a first liquid leakage hole 141. The first liquid leakage hole 141 can play a role in drainage. At the same time, the first liquid leakage structure 14 formed by outer convex or inner concave can also play a role in local reinforcement of the first side plate 11.

[0073] In this embodiment, see Figure 4 The rear outer panel 10 also includes a first connecting edge 15, which is bent and connected to the first side panel 11, and a connecting groove C is formed between the first side panel 11, and the connecting groove C is used to install a sealing strip and is used to seal with the trunk lid to ensure a sealed connection between the trunk lid and the rear panel structure 100, thereby preventing water or debris from leaking into the interior of the vehicle body 201.

[0074] In this embodiment, see Figure 3 and Figure 5 The rear inner panel 20 includes a second side panel 21 and a third side panel 22, the second side panel 21 and the third side panel 22 are bent and connected, the second side panel 21 and the first side panel 11 are spaced apart along the first direction X, the third side panel 22 and the first inclined panel 12 are spaced apart along the third direction Z, the second side panel 21, the first inclined panel 12, the first side panel 11 and the third side panel 22 are connected in sequence to form a cavity Q.

[0075] Alternatively, see Figure 3 The side of the third side plate 22 facing away from the second side plate 21 is inclined in the third direction Z away from the first inclined plate 12 .

[0076] Alternatively, see Figure 3 The rear inner panel 20 also includes a second connecting edge 25 , which is bent and connected to a side of the third side panel 22 away from the second side panel 21 , and the second connecting edge 25 is attached to the first connecting edge 15 and fixedly connected to the first connecting edge 15 .

[0077] In this embodiment, see Figure 3 and Figure 5 The second side plate 21 is inclined in a direction close to the first inclined plate 12 at one end thereof along the third direction Z, and is inclined in a direction close to the first side plate 11. A first avoidance groove 211 is provided in the middle of the length direction of the second side plate 21, which is recessed toward the first side plate 11. The second side plate 21 and other structures of the vehicle body 201 form a storage space, and the first avoidance groove 211 can increase the size of the storage space along the first direction X, thereby increasing the capacity of the storage space.

[0078] In this embodiment, see Figure 4 and Figure 5 The rear outer panel 10 also includes a connecting plate 16, which includes a first surface segment 161 and a second surface segment 162. The first surface segment 161 is bent and connected to the first inclined plate 12. The side of the first surface segment 161 close to the first inclined plate 12 is connected to the second side plate 21. The second surface segment 162 is bent and connected to the first surface segment 161 to form a second avoidance groove 163. The second surface segment 162 is located on the side of the first surface segment 161 away from the first side plate 11 along the first direction X.

[0079] Since the second avoidance groove 163 is formed between the first surface segment 161 and the second surface segment 162 , the size of the rear trunk storage space formed by the rear panel structure 100 and other structures of the vehicle body 201 along the first direction X is increased, thereby further improving the capacity of the storage space.

[0080] Optionally, the second avoidance groove 163 is connected to the first avoidance groove 211 of the second side plate 21 along the third direction Z.

[0081] In this embodiment, see Figure 5 A third recessed structure 164 is also provided on the surface of the connecting plate 16 . The third recessed structure 164 can not only increase the size of the storage space along the first direction X, but also further increase the overall strength of the connecting plate 16 .

[0082] In this embodiment, see Figure 5 The third side plate 22 is provided with a second liquid leakage structure 24 formed inwardly and / or outwardly convexly, and the second liquid leakage structure 24 is provided with a second liquid leakage hole 241. The second liquid leakage hole 241 can play a role in drainage. At the same time, the second liquid leakage structure 24 formed inwardly or outwardly convexly or inwardly concavely can also play a role in strengthening the third side plate 22 locally.

[0083] Alternatively, see Figure 3 and Figure 5 The middle portion of the third side plate 22 in the length direction is recessed along the third direction Z toward the first inclined plate 12 to form a third avoidance groove 221, and the third avoidance groove 221 is used to avoid other parts such as the back door of the vehicle 200.

[0084] In this embodiment, see Figure 3The rear panel structure 100 also includes a reinforcing plate 70, which is arranged on the inner surface of the third side panel 22. The reinforcing plate 70 is used to correspond to the third avoidance groove 221 and reinforce the part of the third side panel 22 used to install the tailgate lock of the vehicle 200, thereby improving the stiffness performance of the part to ensure that the lock will not vibrate and knock against its surrounding parts during the movement of the vehicle 200 and the opening and closing of the tailgate, thereby improving the quality of the vehicle 200 and the user experience.

[0085] In this embodiment, see Figure 5 The rear panel structure 100 further includes a second reinforcement structure 23 , which is configured as a portion of the second side panel 21 that is concave or convex.

[0086] Alternatively, see Figure 5 The second reinforcement structure 23 includes a second convex rib structure 23a and a second concave structure 23b. The second concave structure 23b is configured to be formed by the second side panel 21 concave inwardly toward the first side panel 11 in the first direction X, thereby increasing the size of the storage space defined by the rear panel structure 100. The second side panel 21 is provided with a plurality of second convex rib structures 23a on both sides of the second concave structure 23b along its length direction. The plurality of second convex rib structures 23a are configured to be formed by the second side panel 21 convexly inwardly near the rear bumper 202 in the first direction X. The plurality of second convex rib structures 23a can play a role in strengthening the strength of the second side panel 21.

[0087] In this embodiment, see Figure 6 and Figure 7 The rear panel structure 100 further includes two extension plates 60, which are respectively connected to the two ends of the rear panel inner panel 20 along the length direction thereof, and are respectively used for transitional connection to the side panel structure (not shown in the figure) of the vehicle body 201. The extension plate 60 includes a first plate segment 61 and a second plate segment 62, the first plate segment 61 and the second plate segment 62 are bent and connected, the first plate segment 61 is connected to the second side panel 21, and the second plate segment 62 is connected to the third side panel 22. By disassembling the rear panel structure 100 into the rear panel inner panel 20 and the two extension plates 60, the molding difficulty of the rear panel structure 100 can be reduced, the assembly reliability of the rear panel structure 100 can be improved, and the production yield of the rear panel structure 100 can be improved.

[0088] Optionally, the first plate segment 61 is connected to the second side plate 21 by welding, and the second plate segment 62 is connected to the third side plate 22 by welding.

[0089] Optionally, the second plate segment 62 is a curved plate, a portion of the second plate segment 62 is fitted to the second surface segment 162, and another portion of the second plate segment 62 is deformed away from the second surface segment 162 along the first direction X, and the first plate segment 61 and the second plate segment 62 are used to adapt to the side panel structure, and the specific matching relationship between the first plate segment 61 and the second plate segment 62 and the side panel structure is no longer repeated here.

[0090] In this embodiment, see Figure 6 and Figure 7 The rear panel structure 100 also includes two fixing plates 43, which are respectively arranged corresponding to the two extension plates 60. One end of the fixing plate 43 along the third direction Z is fixedly connected to the first plate segment 61 and the second surface segment 162 through a locking structure, and the other end of the fixing plate 43 along the third direction Z extends out of the second surface segment 162 and is used to be fixed to the longitudinal beam (not shown in the figure) of the body 201 of the vehicle 200, thereby ensuring the reliability of the connection between the rear panel structure 100 and the longitudinal beam.

[0091] See also Figure 8 The present embodiment further discloses a vehicle 200, comprising a vehicle body 201 and a rear bumper 202. The vehicle body 201 comprises the rear panel structure 100 of the aforementioned embodiment. The rear bumper 202 is arranged on a side of the rear panel structure 100 away from the front of the vehicle body 201 along the first direction X. The vehicle 200 comprises the rear panel structure 100 of the aforementioned embodiment, and thus has the beneficial effects of the rear panel structure 100 of the aforementioned embodiment, which will not be described in detail herein.

[0092] The above implementation modes are only used to illustrate the technical solutions of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the above preferred implementation modes, a person skilled in the art should understand that the technical solutions of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A rear panel structure, wherein the rear panel structure and the rear bumper are spaced apart along a first direction, It is characterized in that The rear panel structure comprises: A rear enclosure outer panel and a rear enclosure inner panel, wherein the rear enclosure inner panel is arranged at a side of the rear enclosure outer panel away from the rear bumper along a first direction, the rear enclosure outer panel and the rear enclosure inner panel enclose a cavity, the rear enclosure outer panel comprises a force-bearing area, the force-bearing area is arranged opposite to the rear bumper along the first direction, and the force-bearing area is used to bear the impact force applied by the rear bumper, and the first direction intersects or is perpendicular to the length direction of the rear enclosure outer panel; A reinforcing coating is applied to the stress-bearing area, and is used to enhance the strength of the stress-bearing area.

2. The rear panel structure according to claim 1, Features: The thickness of the stress-bearing area is H1, the thickness of the reinforcement coating is H2, and 0.9≤H2 / H1≤1.

6.

3. The rear panel structure according to claim 1, Features: The rear enclosure outer panel includes a first side panel and a first inclined panel, the first side panel is bent and connected to the first inclined panel, and the first side panel is arranged between the rear enclosure inner panel and the rear bumper along a first direction, the angle between the first side panel and the first inclined panel is an obtuse angle, and one end of the first inclined panel away from the first side panel is inclined downward along the first direction, and the force-bearing area extends from the first side panel to the first inclined panel.

4. The rear wall structure according to claim 3, Features: The rear outer panel is provided with a first reinforcing structure formed inwardly and / or outwardly convexly, and the extension direction of the projection of the first reinforcing structure on the horizontal plane is parallel to the first direction.

5. The rear panel structure according to claim 3, Features: The rear enclosure inner panel includes a second side panel and a third side panel, the second side panel is bent and connected to the third side panel, the second side panel and the first side panel are spaced apart along a first direction, the third side panel and the first inclined panel are spaced apart along a third direction, and the second side panel, the first inclined panel, the first side panel and the third side panel are sequentially connected to form the cavity.

6. The rear panel structure according to claim 5, Features: One end of the second side plate close to the first inclined plate along the third direction is inclined toward the first side plate, and a first avoidance groove recessed toward the first side plate is provided in the middle of the second side plate in the length direction.

7. The rear panel structure according to claim 5, Features: The rear panel structure further includes a second reinforcement structure, which is configured to be formed as a portion of the second side panel in a concave or convex manner.

8. The rear panel structure according to claim 5, Features: The rear outer panel also includes a connecting plate, which includes a first surface segment and a second surface segment, the first surface segment is bent and connected to the first inclined plate, the first surface segment is connected to the second side plate on a side close to the first inclined plate, the second surface segment is bent and connected to the first surface segment to form a second avoidance groove, and the second surface segment is located on a side of the first surface segment that is away from the first side plate along the first direction.

9. A vehicle, It is characterized in that include: A vehicle body, the vehicle body comprising a rear panel structure as claimed in any one of claims 1 to 8; A rear bumper is arranged on a side of the rear panel structure away from the front of the vehicle body along a first direction.

10. The vehicle according to claim 9, Features: The reinforcing coating has a first edge and a second edge arranged opposite to each other along a first direction. Along the first direction, the first edge is arranged between the second edge and the rear bumper. The distance between the first edge and the rear bumper along the first direction is L1, and the distance between the second edge and the rear bumper along the first direction is L2, L2>L1, and L1≥55mm, L2≤80mm.

Images