Top cover rear cross beam assembly and vehicle

Abstract

The utility model discloses a top cover rear cross beam assembly and a vehicle, and relates to the technical field of vehicle accessories. The rear cross beam structure comprises a rear cross beam inner plate, a rear cross beam outer plate, a first reinforcing support and a second reinforcing support, the rear cross beam outer plate is connected with the rear cross beam inner plate and matched with the rear cross beam inner plate to form a containing cavity, the first reinforcing support is located in the containing cavity, and the second reinforcing support is located in the containing cavity. And the second reinforcing support is located on the end face, away from the rear cross beam outer plate, of the rear cross beam inner plate and connected with the rear cross beam outer plate, and the second reinforcing support is located on the end face, away from the rear cross beam outer plate, of the rear cross beam inner plate and connected with the rear cross beam outer plate. Therefore, the connecting rigidity of the rear cross beam inner plate and the rear cross beam outer plate is enhanced through the first reinforcing support, and the connecting rigidity of the rear cross beam inner plate and the rear cross beam outer plate is further enhanced through the second reinforcing support. Therefore, the overall rigidity of the top cover rear cross beam assembly can be improved, and intermediate-frequency road noise can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle accessory technical field, concretely relates to a roof rear crossbeam assembly and vehicle. BACKGROUND

[0002] With the development of vehicle technology, the comfort requirement of user for vehicle is also increasingly improved. In order to meet the appearance beauty, the space feeling in vehicle and the lighting in vehicle and so on of user for vehicle, the roof of current new vehicle type generally adopts the design of big glass of sky curtain. Compared with the roof made of metal material, the design of big glass of sky curtain makes the roof of vehicle lack the support of crossbeam in the middle part. Thus, it is easy to cause the insufficient rigidity of roof of vehicle. In order to improve the rigidity of roof of vehicle, generally, the structure strengthening design is carried out in the inside of rear crossbeam assembly of roof.

[0003] For example, the roof and the rear crossbeam form a structure similar to cantilever from the tail of vehicle to the head, and the rigidity is low, and the reinforcing piece is generally arranged in the cavity to support, but the rigidity provided is limited. At the same time, since the height of the rear crossbeam of roof in Z direction is low, it is easy to reduce the rigidity of the middle part region of rear crossbeam assembly, and the middle frequency road noise problem is brought. SUMMARY

[0004] One of the purposes of the utility model is to provide a roof rear crossbeam assembly to solve the road noise problem caused by the low rigidity of the middle part region of roof rear crossbeam in the prior art; and the second purpose is to provide a vehicle.

[0005] In order to achieve the above-mentioned purposes, the technical scheme adopted by the utility model is as follows:

[0006] A roof rear crossbeam assembly, comprising a rear crossbeam inner plate, a rear crossbeam outer plate, a first reinforcing support and a second reinforcing support, the rear crossbeam outer plate is connected with the rear crossbeam inner plate, and forms a containing cavity in cooperation with the rear crossbeam inner plate, the first reinforcing support is located in the containing cavity, and connects the rear crossbeam inner plate with the rear crossbeam outer plate, the second reinforcing support is located on the end face of the rear crossbeam inner plate away from the rear crossbeam outer plate, and is connected with the rear crossbeam outer plate.

[0007] According to the above technical means, the first reinforcing support and the second reinforcing support are arranged on the two sides of the rear crossbeam inner plate respectively, the connection rigidity of the rear crossbeam inner plate and the rear crossbeam outer plate is strengthened through the first reinforcing support, and the connection rigidity of the rear crossbeam inner plate and the rear crossbeam outer plate is further strengthened through the second reinforcing support. Thus, the overall rigidity of the roof rear crossbeam assembly can be improved, and the middle frequency road noise is reduced, wherein the middle frequency road noise refers to the noise caused by factors such as road conditions and vehicle component vibration during the driving process of vehicle, and the frequency is in the middle frequency range (for example, within 100-200Hz).

[0008] Further, the rear cross beam inner plate, the rear cross beam outer plate and the second reinforcing support are connected to form a triangular support structure.

[0009] According to the above technical means, the triangular support structure has high stability, thereby greatly improving the rigidity of the roof rear cross beam assembly, further improving the modal of the roof rear cross beam assembly, and further reducing the mid-frequency road noise and the abnormal sound of the back door frame.

[0010] Further, the second reinforcing support is fixedly connected with the middle part of the rear cross beam inner plate in the length direction, and is fixedly connected with the middle part of the rear cross beam outer plate in the length direction.

[0011] According to the above technical means, the second reinforcing support is arranged between the middle part of the rear cross beam inner plate and the middle part of the rear cross beam outer plate, thereby further improving the rigidity of the middle part of the roof rear cross beam assembly, and further reducing the mid-frequency road noise and the abnormal sound of the back door frame.

[0012] Further, the middle part of the rear cross beam outer plate in the length direction is provided with an outer plate reinforcing part protruding outward, and the second reinforcing support is fixedly connected with the outer plate reinforcing part.

[0013] According to the above technical means, on the one hand, the outer plate reinforcing part can be used to provide assembly space for the rear camera outer trim plate. On the other hand, the structural design of the outer plate reinforcing part can improve the structural rigidity of the middle part of the rear cross beam outer plate, and improve the structural connection rigidity between the second reinforcing support.

[0014] Further, in the case that at least two first reinforcing supports are arranged, the at least two first reinforcing supports are distributed in the length direction of the rear cross beam outer plate.

[0015] According to the above technical means, the overall rigidity of the rear cross beam assembly can be improved, and the distribution consistency of the structural rigidity of the rear cross beam assembly in the accommodating cavity can be improved. Therefore, the mid-frequency road noise and the abnormal sound of the back door frame can be further reduced. Further, the edge of the second reinforcing support distributed in the length direction is further provided with a second reinforcing flange.

[0016] Further, the edge of the second reinforcing support distributed in the length direction is further provided with a second reinforcing flange.

[0017] According to the above technical means, the longitudinal (length direction) support rigidity of the second reinforcing support can be improved.

[0018] Further, the inner plate of the rear cross beam is provided with an inner plate lightening hole; and / or, the outer plate of the rear cross beam is provided with an outer plate lightening hole; and / or, the first reinforcing support is provided with a first lightening hole; and / or, the second reinforcing support is provided with a second lightening hole.

[0019] According to the above technical means, the components in at least one of the rear cross beam assemblies can be lightened, and the lightweight of the vehicle is further improved.

[0020] Further, the inner plate of the rear cross beam is provided with an inner plate lightening hole; and / or, the outer plate of the rear cross beam is provided with an outer plate lightening hole; and / or, the first reinforcing support is provided with a first lightening hole; and / or, the second reinforcing support is provided with a second lightening hole.

[0021] According to the above technical means, the structural connection rigidity between every two connected components of the rear cross beam assembly can be improved.

[0022] Further, the inner plate of the rear cross beam is provided with an inner plate lightening hole; and / or, the outer plate of the rear cross beam is provided with an outer plate lightening hole; and / or, the first reinforcing support is provided with a first lightening hole; and / or, the second reinforcing support is provided with a second lightening hole.

[0023] According to the above technical means, the fixing of the vehicle wire harness buckle and the wiring of the vehicle wire harness can be facilitated.

[0024] A vehicle, comprising the roof rear cross beam assembly according to any one of the above embodiments.

[0025] According to the above technical means, the first reinforcing support and the second reinforcing support are respectively arranged on both sides of the rear cross beam inner plate, the connection rigidity of the rear cross beam inner plate and the rear cross beam outer plate is strengthened through the first reinforcing support, and the connection rigidity of the rear cross beam inner plate and the rear cross beam outer plate is further strengthened through the second reinforcing support. Therefore, the overall rigidity of the roof rear cross beam assembly can be improved, and the situation of poor mid-frequency road noise can be reduced.

[0026] The beneficial effects of the present application are as follows:

[0027] The first reinforcing support and the second reinforcing support are respectively arranged on both sides of the rear cross beam inner plate, the connection rigidity of the rear cross beam inner plate and the rear cross beam outer plate is strengthened through the first reinforcing support, and the connection rigidity of the rear cross beam inner plate and the rear cross beam outer plate is further strengthened through the second reinforcing support. Therefore, the overall rigidity of the roof rear cross beam assembly can be improved, and the mid-frequency road noise can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1A structure schematic view of a roof rear cross beam assembly provided by the embodiment of the utility model;

[0029] Figure 2 For Figure 1 A cross section structure schematic view at A-A;

[0030] Figure 3 A three-dimensional structure schematic view of a second reinforcing support provided by the embodiment of the utility model;

[0031] Figure 4 A first structure schematic view of a rear cross beam inner plate provided by the embodiment of the utility model;

[0032] Figure 5 A second structure schematic view of a rear cross beam inner plate provided by the embodiment of the utility model;

[0033] Figure 6 A first structure schematic view of a rear cross beam outer plate provided by the embodiment of the utility model;

[0034] Figure 7 A second structure schematic view of a rear cross beam outer plate provided by the embodiment of the utility model;

[0035] Figure 8 A three-dimensional structure schematic view of a first reinforcing support provided by the embodiment of the utility model;

[0036] The drawing mark: 1, rear cross beam inner plate; 101, inner plate lightening hole; 102, inner plate buckle hole; 103, welding through hole; 104, inner plate reinforcing hole; 105, inner plate mounting hole; 11, inner plate boss; 2, rear cross beam outer plate; 201, outer plate lightening hole; 202, outer plate reinforcing hole; 203, outer plate mounting hole; 204, outer plate assembly hole; 21, outer plate reinforcing part; 22, outer plate first boss; 23, outer plate second boss; 3, first reinforcing support; 301, first lightening hole; 31, first inner flange; 32, first outer flange; 33, first reinforcing boss; 4, second reinforcing support; 401, second lightening hole; 402, second buckle hole; 41, second reinforcing flange; 5, accommodating cavity. DETAILED DESCRIPTION

[0037] The other advantages and effects of the utility model can be easily understood by the person skilled in the art from the content disclosed in the specification. The utility model can also be implemented or applied by another different specific embodiment, and each item of detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model. It should be understood that the preferred embodiment is only for illustrating the utility model, and is not for limiting the protection scope of the utility model.

[0038] Need to explain, the following examples provided in the illustration only to illustrate the basic concept of the utility model, the drawing shows only the components related to the utility model is not drawn according to the actual implementation of the number of components, shape and size, its actual implementation of each component type, quantity and proportion can be a random change, and its component layout type may be more complex.

[0039] With the development of vehicle technology, the user for the comfort of the vehicle is also increasingly improved. In order to meet the user for the appearance of the vehicle, the space sense in the car and the lighting in the car and other requirements, the current new model of the roof generally adopts the design of the big glass of the sky. Compared with the roof made of metal material, the design of the big glass of the sky makes the vehicle lack the support of the roof middle beam. Therefore, it is easy to cause the insufficient stiffness of the roof of the vehicle. In order to improve the stiffness of the roof of the vehicle, the structure of the rear beam assembly of the roof is usually strengthened.

[0040] For example, the roof and the rear beam form a cantilever-like structure from the tail of the vehicle to the head, which has low stiffness, and a reinforcing member is usually arranged in the cavity to provide support, but the provided stiffness is limited. At the same time, due to the low height of the roof rear beam in the Z direction, the stiffness of the middle region of the rear beam assembly is easily reduced, which brings the problem of mid-frequency road noise.

[0041] Based on the above technical problems, the utility model is proposed, and the utility model discloses a roof rear beam assembly, which can include a rear beam inner plate 1, a rear beam outer plate 2, a first reinforcing support 3 and a second reinforcing support 4. The rear beam outer plate 2 is connected with the rear beam inner plate 1 and cooperates with the rear beam inner plate 1 to form a containing cavity 5. The first reinforcing support 3 is located in the containing cavity 5 and connects the rear beam inner plate 1 and the rear beam outer plate 2. The second reinforcing support 4 is located on the end face of the rear beam inner plate 1 away from the rear beam outer plate 2 and is connected with the rear beam outer plate 2. First reinforcing supports 3 and second reinforcing supports 4 are arranged on both sides of the rear beam inner plate 1. The connection stiffness of the rear beam inner plate 1 and the rear beam outer plate 2 is strengthened by the first reinforcing supports 3, and the connection stiffness of the rear beam inner plate 1 and the rear beam outer plate 2 is further strengthened by the second reinforcing supports 4. Therefore, the overall stiffness of the roof rear beam assembly can be improved, and the mid-frequency road noise can be reduced.

[0042] Reference Figures 1-8The utility model embodiment provides a kind of roof rear crossbeam assembly, the roof rear crossbeam assembly can include rear crossbeam inner plate 1, rear crossbeam outer plate 2, first reinforcing support 3 and second reinforcing support 4, the rear crossbeam outer plate 2 is connected with the rear crossbeam inner plate 1, and with the rear crossbeam inner plate 1 cooperation forms a containing cavity 5, the first reinforcing support 3 is located in the containing cavity 5, and connects the rear crossbeam inner plate 1 with the rear crossbeam outer plate 2, the second reinforcing support 4 is located on the end face of the rear crossbeam inner plate 1 away from the rear crossbeam outer plate 2, and is connected with the rear crossbeam outer plate 2.

[0043] In the utility model embodiment, the roof rear crossbeam assembly is a key assembly component of the vehicle body structure. The roof rear crossbeam assembly is located at the rear end of the vehicle body structure, at the rear of the roof and the rear window parting line, and provides mounting support for the rear window glass. At the same time, when the vehicle collides or is subjected to external force, the roof rear crossbeam assembly helps to transmit the load at the top of the vehicle body to the vehicle body side and other structural components, plays a role in dispersing force, reduces the deformation of the vehicle body, and protects the personal safety of the driver and the passenger.

[0044] The rear crossbeam outer plate 2 is a plate-shaped component located on the outside of the roof rear crossbeam assembly. The rear crossbeam inner plate 1 is a plate-shaped structure located inside the roof rear crossbeam assembly. The rear crossbeam outer plate 2 is fixedly connected with the rear crossbeam inner plate 1 to form the rear crossbeam body of the roof rear crossbeam assembly, and the rear crossbeam outer plate 2 cooperates with the rear crossbeam inner plate 1 to form a containing cavity 5. In some embodiments, the containing cavity 5 is a closed cavity.

[0045] The first reinforcing support 3 is located in the containing cavity 5. The first reinforcing support 3 is fixedly connected with the rear crossbeam inner plate 1, and the first reinforcing support 3 is also fixedly connected with the rear crossbeam outer plate 2. Thus, the connection rigidity of the rear crossbeam inner plate 1 and the rear crossbeam outer plate 2 is strengthened by the first reinforcing support 3 in the containing cavity 5. The connection rigidity of the rear crossbeam inner plate 1 and the rear crossbeam outer plate 2 is further strengthened by the second reinforcing support 4 provided on the end face of the rear crossbeam inner plate 1 away from the rear crossbeam outer plate 2 (which can also be referred to as the inner side of the rear crossbeam inner plate 1). As a result, the overall rigidity of the roof rear crossbeam assembly can be improved, and the mid-frequency road noise can be reduced.

[0046] An optional utility model embodiment, referring to Figure 1 and Figure 2 The rear crossbeam inner plate 1, the rear crossbeam outer plate 2, and the second reinforcing support 4 are connected to form a triangular support structure.

[0047] The utility model discloses, triangular support structure can be good dispersion load, reduce the structure deformation and vibration of top cover rear crossbeam assembly, thereby can improve the rigidity of top cover rear crossbeam assembly greatly. Thus, through the rear crossbeam inner plate 1, rear crossbeam outer plate 2 and the second reinforcing support 4 of the inside of the rear crossbeam inner plate 1 form triangular support structure (including triangle and triangle shape etc.

[0048] An optional utility model embodiment, refer to Figure 1 The second reinforcing support 4 is fixedly connected with the middle part of the length direction of the rear crossbeam inner plate 1 and the middle part of the length direction of the rear crossbeam outer plate 2.

[0049] In the utility model embodiment, the second reinforcing support 4 is fixedly connected with the middle part of the length direction (also can be called the width direction of the vehicle body structure) of the rear crossbeam inner plate 1. The second reinforcing support 4 is also fixedly connected with the middle part of the length direction (also can be called the width direction of the vehicle body structure) of the rear crossbeam outer plate 2. Wherein, fixedly connected can include but is not limited to welding, bolt fixing and the like. Thus, by setting the second reinforcing support 4 between the middle part of the rear crossbeam inner plate 1 and the middle part of the rear crossbeam outer plate 2. The rigidity of the middle part of the top cover rear crossbeam assembly can be maximized, and the middle frequency road noise and the back door frame abnormal sound are further reduced.

[0050] An optional utility model embodiment, refer to Figure 1 、 Figure 6 And Figure 7 The middle part of the length direction of the rear crossbeam outer plate 2 is provided with the outer plate reinforcing portion 21 that is convex to the direction close to the head of vehicle, wherein the second reinforcing support 4 is fixedly connected with the outer plate reinforcing portion 21.

[0051] In the utility model embodiment, on the one hand, the outer plate reinforcing portion 21 can be used to provide the assembly space of rear camera outer trim panel. For example, the outer plate reinforcing portion 21 is convex to the place away from the first reinforcing support 3, thereby forming the assembly space of camera outer trim panel. Wherein, the outer plate mounting hole 203 is formed in the outer plate reinforcing portion 21.

[0052] On the other hand, the structural design of the outer plate reinforcing portion 21 can improve the structural rigidity of the middle part of the rear crossbeam outer plate 2, and improve the structural connection rigidity between the second reinforcing support 4.

[0053] An optional utility model embodiment, refer to Figure 6As shown, in the case of at least two first reinforcing supports 3, the at least two first reinforcing supports 3 are distributed along the length direction of the rear cross beam outer plate 2.

[0054] In the embodiment of the utility model, the first reinforcing support 3 is arranged along the length direction of the rear cross beam outer plate 2 or the rear cross beam inner plate 1 (also referred to as the width direction of the vehicle body structure), thereby improving the overall rigidity of the rear cross beam assembly and the consistency of the structural rigidity of the rear cross beam assembly in the accommodating cavity 5. Thus, the intermediate frequency road noise and the abnormal sound of the back door frame can be further reduced.

[0055] In an optional embodiment of the utility model, the rear cross beam inner plate 1 is provided with a second reinforcing support 4. Figure 3 As shown, the edge of the second reinforcing support 4 distributed along the length direction is further provided with a second reinforcing flange 41.

[0056] In the embodiment of the utility model, the second reinforcing flange 41 and the second reinforcing support 4 can be an integrated structure. The edge of the second reinforcing support 4 distributed along the length direction can improve the support rigidity of the second reinforcing support 4 in the longitudinal direction (length direction), thereby improving the structural support rigidity of the second reinforcing support 4 to the rear cross beam inner plate 1 and the rear cross beam outer plate 2.

[0057] In an optional embodiment of the utility model, the rear cross beam inner plate 1 is provided with an inner plate weight-reducing hole 101; and / or, the rear cross beam outer plate 2 is provided with an outer plate weight-reducing hole 201; and / or, the first reinforcing support 3 is provided with a first weight-reducing hole 301; and / or, the second reinforcing support 4 is provided with a second weight-reducing hole 401.

[0058] In the embodiment of the utility model, as shown in Figure 4 and Figure 5 As shown, the rear cross beam inner plate 1 can be further provided with an inner plate weight-reducing hole 101, and the inner plate weight-reducing hole 101 is used to reduce the overall weight of the rear cross beam inner plate 1, thereby making the rear cross beam inner plate 1 meet the lightweight development needs of the vehicle.

[0059] In another embodiment, as shown in Figure 6 and Figure 7 As shown, the rear cross beam outer plate 2 can be further provided with an outer plate weight-reducing hole 201, and the outer plate weight-reducing hole 201 is used to reduce the overall weight of the rear cross beam outer plate 2, thereby making the rear cross beam outer plate 2 meet the lightweight development needs of the vehicle.

[0060] In another embodiment, as shown in Figure 6 and Figure 8As shown, the first reinforcing support 3 can also be provided with a first weight-reducing hole 301, which is used to reduce the overall weight of the first reinforcing support 3, so that the first reinforcing support 3 can meet the lightweight development needs of the vehicle.

[0061] In yet another embodiment, referring to Figure 3 As shown, the second reinforcing support 4 can also be provided with a second weight-reducing hole 401, which is used to reduce the overall weight of the second reinforcing support 4, so that the second reinforcing support 4 can meet the lightweight development needs of the vehicle.

[0062] In summary, at least one of the rear cross beam inner plate 1, the rear cross beam outer plate 2, the first reinforcing support 3 and the second reinforcing support 4 can be used to reduce the weight of the roof cross beam assembly, and further improve the lightweight of the vehicle.

[0063] In an optional utility model embodiment, the rear cross beam inner plate 1 and the rear cross beam outer plate 2 are welded and fixed; and / or, the rear cross beam inner plate 1 and the first reinforcing support 3 are welded and fixed; and / or, the rear cross beam inner plate 1 and the second reinforcing support 4 are welded and fixed; and / or, the rear cross beam outer plate 2 and the first reinforcing support 3 are welded and fixed; and / or, the rear cross beam outer plate 2 and the second reinforcing support 4 are welded and fixed.

[0064] In the utility model embodiment, the rear cross beam inner plate 1 and the rear cross beam outer plate 2 can be welded by flanging. Among them, flange welding is a kind of welding method that the edge of the workpiece to be welded is folded to form a certain shape, so that the flange parts of the two workpieces to be welded are overlapped and then welded. For example, the two edges of the rear cross beam inner plate 1 in the width direction of the vehicle body structure and the two edges of the rear cross beam outer plate 2 in the width direction of the vehicle body structure are respectively welded and fixed, so that the structural connection stiffness between the rear cross beam outer plate 2 and the rear cross beam inner plate 1 can be improved.

[0065] In another embodiment, the rear cross beam inner plate 1 and the first reinforcing support 3 can be fixed by spot welding. For example, the connection area of the first reinforcing support 3 on the rear cross beam inner plate 1 is provided with a welding through hole 103 in communication with the accommodating cavity 5. The welding through hole 103 can facilitate the welding gun to weld the first reinforcing support 3, thereby facilitating the spot welding of the rear cross beam inner plate 1 and the first reinforcing support 3. On the other hand, the welding through hole 103 can also reduce the weight of the rear cross beam inner plate 1, further conforming to the lightweight development trend of the vehicle.

[0066] In another embodiment, the rear cross beam inner plate 1 and the second reinforcing support 4 are fixed by welding, which can improve the structural connection stiffness between the rear cross beam inner plate 1 and the second reinforcing support 4, and the welding operation has high production efficiency, which can reduce the production cost of the roof rear cross beam assembly.

[0067] In another embodiment, the rear cross beam outer plate 2 and the first reinforcing support 3 are fixed by welding, which can improve the structural connection stiffness between the rear cross beam outer plate 2 and the first reinforcing support 3, and the welding operation has high production efficiency, which can reduce the production cost of the roof rear cross beam assembly.

[0068] In another embodiment, the rear cross beam outer plate 2 and the second reinforcing support 4 are fixed by welding, which can improve the structural connection stiffness between the rear cross beam outer plate 2 and the second reinforcing support 4, and the welding operation has high production efficiency, which can reduce the production cost of the roof rear cross beam assembly.

[0069] In summary, the rear cross beam inner plate 1 and the rear cross beam outer plate 2, the rear cross beam inner plate 1 and the first reinforcing support 3, the rear cross beam inner plate 1 and the second reinforcing support 4, the rear cross beam outer plate 2 and the first reinforcing support 3, and the rear cross beam outer plate 2 and the second reinforcing support 4 can be fixed by welding, respectively, which can improve the structural connection stiffness between each two connected components of the rear cross beam assembly.

[0070] In some optional utility model embodiments, as shown in Figure 4 and Figure 5 The rear cross beam inner plate 1 can further be provided with at least one inner plate boss 11. The inner plate boss 11 can be outwardly protruding from the surface of the rear cross beam inner plate 1 towards the rear cross beam outer plate 2. Alternatively, the inner plate boss 11 can be outwardly protruding from the surface of the rear cross beam inner plate 1 away from the rear cross beam outer plate 2. The inner plate boss 11 and the rear cross beam inner plate 1 can be an integral structure, and the inner plate boss 11 is used to strengthen the structural stiffness of the rear cross beam inner plate 1. For example, the cross-sectional shape of the inner plate boss 11 can be rectangular, circular, or the like. When at least two inner plate bosses 11 are provided, the at least two inner plate bosses 11 are spaced apart along the length direction of the rear cross beam inner plate 1.

[0071] In some embodiments, as shown in Figure 4 and Figure 5 The rear cross beam inner plate 1 is further provided with inner plate mounting holes 105 on both edges in the width direction thereof (which can also be referred to as the left edge and the right edge of the rear cross beam inner plate 1). For example, the inner plate mounting holes 105 can be threaded holes, so as to be connected to the upper inner plate of the body side wall assembly by bolts.

[0072] In some utility model embodiments, referring to Figure 4 , Figure 5 , Figure 6 and Figure 7 , the rear cross beam inner plate 1 is provided with an inner plate reinforcing hole 104, and the rear cross beam outer plate 2 is provided with an outer plate reinforcing hole 202. For example, the inner plate reinforcing hole 104 and the outer plate reinforcing hole 202 can be threaded holes, so that bolts can be used to sequentially pass through the inner plate reinforcing hole 104 and the outer plate reinforcing hole 202 for secondary fixed connection between the rear cross beam inner plate 1 and the rear cross beam outer plate 2. The structural connection stiffness of the rear cross beam inner plate 1 and the rear cross beam outer plate 2 can be further improved, and the collision safety factor of the vehicle can be improved.

[0073] In an alternative utility model embodiment, referring to Figure 6 and Figure 7 , the rear cross beam outer plate 2 is further provided with an outer plate first boss 22 and an outer plate second boss 23. The outer plate first boss 22 and the outer plate second boss 23 can be distributed at intervals along the length direction of the rear cross beam outer plate 2, so as to improve the structural stiffness of the rear cross beam outer plate 2. The cross-sectional shape of the outer plate first boss 22 can be rectangular, and the cross-sectional shape of the second boss can be circular, etc. For example, the first reinforcing bracket 3 and the rear cross beam outer plate 2 can be fixedly connected at the outer plate first boss 22. The rear cross beam outer plate 2 is further provided with a water flow channel for water guide, and the rear cross beam outer plate 2 is further provided with an outer plate assembly hole 204 for mounting a rear cross beam outer decorative plate.

[0074] In some utility model embodiments, referring to Figure 6 and Figure 8 , the first reinforcing bracket 3 can further include a first inner flange 31 and a first outer flange 32, which are respectively arranged by extending towards both sides of the first reinforcing bracket 3. The first inner flange 31 is used for welding and fixing with the rear cross beam inner plate 1. The first outer flange 32 is used for welding and fixing with the rear cross beam outer plate 2, so as to improve the structural stiffness of the edge of the first reinforcing bracket 3. For example, the first reinforcing bracket 3, the first inner flange 31 and the first outer flange 32 can be an integral structure.

[0075] In other embodiments, referring to Figure 6 and Figure 8As shown, the middle region of the first reinforcing support 3 can also be provided with a first reinforcing boss 33, wherein the first reinforcing boss 33 can be provided with an outward protrusion from the surface of the first reinforcing support 3 towards the rear cross beam inner plate 1. Alternatively, the first reinforcing boss 33 can be provided with an outward protrusion from the surface of the first reinforcing support 3 towards the rear cross beam outer plate 2. The first reinforcing boss 33 and the first reinforcing support 3 can be an integral structure, and the first reinforcing boss 33 is used to strengthen the structural rigidity of the first reinforcing support 3. For example, the cross-sectional shape of the first reinforcing boss 33 formed along the surface direction of the first reinforcing support 3 can be rectangular, circular, or the like.

[0076] An optional utility model embodiment, referring to Figure 3 、 Figure 4 and Figure 5 As shown, the rear cross beam inner plate 1 is provided with an inner plate buckle hole 102 for assembling a wire harness buckle. And / or, the second reinforcing support 4 is provided with a second buckle hole 402 for assembling a wire harness buckle.

[0077] In the utility model embodiment, the inner plate buckle hole 102 is provided on the rear cross beam inner plate 1, and the wire harness buckle can be clamped into the inner plate buckle hole 102 for fixing the wire harness buckle, thereby facilitating the wiring of the vehicle wire harness. In addition, the inner plate buckle hole 102 can further reduce the weight of the rear cross beam outer plate 2.

[0078] In another example, the second buckle hole 402 is provided on the second reinforcing support 4, and the wire harness buckle can be clamped into the second buckle hole 402 for fixing the wire harness buckle, thereby facilitating the wiring of the vehicle wire harness. In addition, the second buckle hole 402 can further reduce the weight of the second reinforcing support 4.

[0079] The utility model embodiment further discloses a vehicle, wherein the vehicle comprises the roof rear cross beam assembly according to any one of the above utility model embodiments.

[0080] In the utility model embodiment, the vehicle can include but is not limited to the following types: gasoline vehicle, diesel vehicle, pure electric vehicle, hybrid electric vehicle, fuel cell vehicle, etc. The vehicle can be provided with a first reinforcing support 3 and a second reinforcing support 4 on both sides of the rear cross beam inner plate 1, the connection rigidity of the rear cross beam inner plate 1 and the rear cross beam outer plate 2 is strengthened by the first reinforcing support 3, and the connection rigidity of the rear cross beam inner plate 1 and the rear cross beam outer plate 2 is further strengthened by the second reinforcing support 4. Therefore, the overall rigidity of the roof rear cross beam assembly can be improved, and the mid-frequency road noise can be reduced.

[0081] In summary, the utility model discloses a certain roof rear crossbeam assembly and vehicle, the utility model can include rear crossbeam inner plate 1, rear crossbeam outer plate 2, first reinforcing support 3 and second reinforcing support 4, rear crossbeam outer plate 2 with rear crossbeam inner plate 1 is connected, and with rear crossbeam inner plate 1 cooperation forms a containing cavity 5, first reinforcing support 3 is located in containing cavity 5, and connects rear crossbeam inner plate 1 with rear crossbeam outer plate 2, second reinforcing support 4 is located on the end face of rear crossbeam inner plate 1 away from rear crossbeam outer plate 2, and is connected with rear crossbeam outer plate 2. First reinforcing support 3 is arranged on the both sides of rear crossbeam inner plate 1 respectively, second reinforcing support 4, through first reinforcing support 3, the connecting rigidity of rear crossbeam inner plate 1 and rear crossbeam outer plate 2 is strengthened, and the connecting rigidity of rear crossbeam inner plate 1 and rear crossbeam outer plate 2 is further strengthened through second reinforcing support 4. Therefore, the overall rigidity of roof rear crossbeam assembly can be improved, and the middle frequency road noise is reduced.

[0082] Each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between each embodiment can be referred to each other.

[0083] As the skilled person in the art can think that any combination of the above-mentioned embodiments is feasible, any combination of the above-mentioned embodiments is an embodiment of the utility model, but due to the limitation of the length, the specification will not be described in detail here.

[0084] In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the specification.

[0085] Similarly, it should be understood that, in order to simplify the utility model and help understand one or more of the various utility model aspects, in the above description of the exemplary embodiments of the utility model, various features of the utility model are sometimes grouped together in a single embodiment, figure, or description thereof.

[0086] In addition, the skilled person in the art can understand that although some embodiments described herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means that it is within the scope of the utility model and forms different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

Claims

1. A header cross-car beam assembly, characterized by, The roof rear cross beam assembly comprises: a rear cross beam inner plate (1); a rear cross beam outer plate (2) connected with the rear cross beam inner plate (1) and cooperating with the rear cross beam inner plate (1) to form a containing cavity (5); a first reinforcing support (3) located in the containing cavity (5) and connecting the rear cross beam inner plate (1) and the rear cross beam outer plate (2); a second reinforcing support (4) located on an end surface of the rear cross beam inner plate (1) away from the rear cross beam outer plate (2) and connected with the rear cross beam outer plate (2).

2. The header cross-car beam assembly of claim 1, wherein, The rear cross beam inner plate (1), the rear cross beam outer plate (2) and the second reinforcing support (4) are connected to form a triangular support structure.

3. The header cross-car beam assembly of claim 2, wherein, The second reinforcing support (4) is fixedly connected with the middle part of the rear cross beam inner plate (1) in the length direction and fixedly connected with the middle part of the rear cross beam outer plate (2) in the length direction.

4. The header cross-car beam assembly of claim 1, wherein, The middle part of the rear cross beam outer plate (2) in the length direction is provided with an outer plate reinforcing part (21) protruding towards the direction of the vehicle head, and the second reinforcing support (4) is fixedly connected with the outer plate reinforcing part (21).

5. The header cross-car beam assembly of claim 1, wherein, In the case that at least two first reinforcing supports (3) are provided, the at least two first reinforcing supports (3) are distributed at intervals along the length direction of the rear cross beam outer plate (2).

6. The header cross-car beam assembly of claim 1, wherein, The edge of the second reinforcing support (4) distributed in the length direction is further provided with a second reinforcing flange (41).

7. The header cross-car beam assembly of claim 1, wherein The rear cross beam inner plate (1) is provided with an inner plate lightening hole (101); and / or, The rear cross beam outer plate (2) is provided with an outer plate lightening hole (201); and / or, The first reinforcing support (3) is provided with a first lightening hole (301); and / or, The second reinforcing support (4) is provided with a second lightening hole (401).

8. The header cross-car beam assembly of claim 1, wherein, The rear cross beam inner plate (1) and the rear cross beam outer plate (2) are fixedly welded; and / or, The rear cross beam inner plate (1) and the first reinforcing support (3) are fixedly welded; and / or, The rear cross beam inner plate (1) and the second reinforcing support (4) are fixedly welded; and / or, The rear cross beam outer plate (2) and the first reinforcing support (3) are fixedly welded; and / or, The rear cross beam outer plate (2) and the second reinforcing support (4) are fixedly welded.

9. The header cross-car beam assembly of claim 1, wherein, The rear cross beam inner plate (1) is provided with an inner plate buckle hole (102) for assembling a wire harness buckle; and / or, The second reinforcing support (4) is provided with a second buckle hole (402) for assembling a wire harness buckle.

10. A vehicle characterized by comprising: The vehicle comprises the roof rear cross beam assembly according to any one of claims 1-9.

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