Sunroof reinforcement, body reinforcement, and vehicle

Abstract

The application provides a sunroof reinforcing plate, a vehicle body reinforcing structure and a vehicle, and relates to the technical field of automobiles.The sunroof reinforcing plate comprises a first cross beam, a second cross beam, a first longitudinal beam and a second longitudinal beam, the first longitudinal beam is fixedly connected to the first cross beam and the second cross beam in a lapping manner, the second longitudinal beam is fixedly connected to the first cross beam and the second cross beam in a lapping manner, the first cross beam and the second cross beam are oppositely arranged, and the first longitudinal beam and the second longitudinal beam are oppositely arranged.The vehicle body reinforcing structure comprises the sunroof reinforcing plate.The vehicle comprises the vehicle body reinforcing structure.Through the fixed connection in the lapping manner among the first cross beam, the second cross beam, the first longitudinal beam and the second longitudinal beam, the torsional stiffness and the torsional mode of the sunroof reinforcing plate can be improved, the torsional stiffness of the vehicle body and the vehicle body torsional mode can be improved, and the good NVH performance, VD performance and durability of the whole vehicle can be ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobiles, and in particular to a sunroof reinforcing plate, a vehicle body reinforcing structure and a vehicle. BACKGROUND

[0002] With the improvement of people's living standards, automobiles have become the most commonly used means of transportation for people. With the increasing demand of people for the comfort and practicality of automobiles, the functions of automobiles are also increasing in the design process of automobiles. Among them, the panoramic sunroof is one of the necessary equipment of modern automobiles.

[0003] In the related art, the sunroof is mounted on a roof assembly, the roof assembly includes a roof outer plate and a sunroof reinforcing plate, and the roof assembly is connected to a roof front beam, a roof front and rear beam, a left side wall assembly and a right side wall assembly. In order to improve the light transmittance and air circulation in the vehicle, the panoramic sunroof opening is increased.

[0004] However, with the increase of the panoramic sunroof opening, the torsional stiffness of the vehicle body and the torsional mode of the vehicle body are reduced. SUMMARY

[0005] The present application provides a sunroof reinforcing plate, a vehicle body reinforcing structure and a vehicle to solve the problem that with the increase of the panoramic sunroof opening, the torsional stiffness of the vehicle body and the torsional mode of the vehicle body are reduced.

[0006] In a first aspect, the present application provides a sunroof reinforcing plate, comprising a first beam, a second beam, a first longitudinal beam and a second longitudinal beam, the first longitudinal beam is connected and fixed with the first beam and the second beam, the second longitudinal beam is connected and fixed with the first beam and the second beam, the first beam and the second beam are arranged oppositely, and the first longitudinal beam and the second longitudinal beam are arranged oppositely.

[0007] The first beam is used for connecting and fixing with a roof front beam of a vehicle body reinforcing structure, the second beam is used for connecting and fixing with a roof rear beam of the vehicle body reinforcing structure, the first longitudinal beam is used for connecting and fixing with a first side wall assembly of the vehicle body reinforcing structure, and the second longitudinal beam is used for connecting and fixing with a second side wall assembly of the vehicle body reinforcing structure.

[0008] Optionally, the first cross beam is provided with a first lap joint and a second lap joint at two ends thereof, the second cross beam is provided with a third lap joint and a fourth lap joint at two ends thereof, the first longitudinal beam is provided with a fifth lap joint and a sixth lap joint at two ends thereof, the second longitudinal beam is provided with a seventh lap joint and an eighth lap joint at two ends thereof, the first lap joint, the second lap joint, the third lap joint and the fourth lap joint are of the same structure, the fifth lap joint, the sixth lap joint, the seventh lap joint and the eighth lap joint are of the same structure, the first lap joint and the fifth lap joint are connected together by spot welding, the second lap joint and the seventh lap joint are connected together by spot welding, the third lap joint and the sixth lap joint are connected together by spot welding, and the fourth lap joint and the eighth lap joint are connected together by spot welding.

[0009] Optionally, the first lap joint is provided with a sunken platform, the fifth lap joint is provided with a avoiding hole, the sunken platform is capable of being clamped in the avoiding hole, and the sunken platform and the avoiding hole are used for positioning the first cross beam and the first longitudinal beam.

[0010] Optionally, the first lap joint is further provided with a first stepped surface, the fifth lap joint is further provided with a second stepped surface, and the first stepped surface and the second stepped surface are connected together by structural adhesive.

[0011] Optionally, the first lap joint extends to the middle part of the first longitudinal beam in a first arc direction, and the fifth lap joint extends to the middle part of the first cross beam in the first arc direction.

[0012] The first lap joint is further provided with a first flange, the fifth lap joint is further provided with a second flange, and the first flange and the second flange abut against each other in the first arc direction.

[0013] Optionally, the first side wall assembly comprises a first side wall main body and a first extension, the first side wall main body comprises a first side wall outer plate, a first upper side beam outer plate and a first upper side beam inner plate, the first side wall outer plate is connected with the roof outer plate, the first extension is connected to the first upper side beam outer plate and / or the first upper side beam inner plate, and the first extension extends to the vehicle interior.

[0014] The second side wall assembly comprises a second side wall main body and a second extension, the second side wall main body comprises a second side wall outer plate, a second upper side beam outer plate and a second upper side beam inner plate, the second side wall outer plate is connected with the roof outer plate, the second extension is connected to the second upper side beam outer plate and / or the second upper side beam inner plate, and the second extension extends to the vehicle interior.

[0015] The first longitudinal beam is provided with a plurality of first mounting legs, and the second longitudinal beam is provided with a plurality of second mounting legs, the plurality of first mounting legs are used for lap joint and fixed connection with the first side outer plate by using structural glue, and the plurality of second mounting legs are used for lap joint and fixed connection with the second side outer plate by using structural glue.

[0016] Optionally, the first extension part comprises a plurality of first extension plates, the plurality of first extension plates are arranged at intervals in the front-rear direction of the vehicle, the second extension part comprises a plurality of second extension plates, the plurality of second extension plates are arranged at intervals in the front-rear direction of the vehicle, the plurality of first extension plates are used for being connected together with the first longitudinal beam by bolts and structural glue, and the plurality of second extension plates are used for being connected together with the second longitudinal beam by bolts and structural glue.

[0017] The plurality of first extension plates and the plurality of first mounting legs are arranged alternately, and the plurality of second extension plates and the plurality of second mounting legs are arranged alternately.

[0018] Optionally, a plurality of first bolt mounting holes and a plurality of first sunroof mounting holes are arranged on the first longitudinal beam, centers of the plurality of first sunroof mounting holes are located on a first straight line, centers of the plurality of first bolt mounting holes are arranged close to the first straight line, the plurality of first bolt mounting holes are used for screwing the first longitudinal beam and the plurality of first extension plates together, and the plurality of first sunroof mounting holes are used for mounting the sunroof and the sunroof reinforcing plate together.

[0019] A plurality of second bolt mounting holes and a plurality of second sunroof mounting holes are arranged on the second longitudinal beam, centers of the plurality of second sunroof mounting holes are located on a second straight line, centers of the plurality of second bolt mounting holes are arranged close to the second straight line, the plurality of second bolt mounting holes are used for screwing the second longitudinal beam and the plurality of second extension plates together, and the plurality of second sunroof mounting holes are used for mounting the sunroof and the sunroof reinforcing plate together.

[0020] In a second aspect, the present application provides a vehicle body reinforcing structure comprising a first side assembly, a second side assembly and the sunroof reinforcing plate as described above.

[0021] The sunroof reinforcing plate is fixed on the first side assembly and the second side assembly.

[0022] In a third aspect, the present application provides a vehicle comprising a sunroof and a vehicle body reinforcing structure as described above.

[0023] The sunroof is detachably mounted on the vehicle body reinforcing structure.

[0024] The present application provides a sunroof reinforcement plate, a vehicle body reinforcement structure and a vehicle, wherein the sunroof reinforcement plate comprises a first cross beam, a second cross beam, a first longitudinal beam and a second longitudinal beam, the first longitudinal beam is respectively overlapped and fixedly connected with the first cross beam and the second cross beam, the second longitudinal beam is respectively overlapped and fixedly connected with the first cross beam and the second cross beam, the first cross beam and the second cross beam are oppositely arranged, and the first longitudinal beam and the second longitudinal beam are oppositely arranged; the first cross beam is used for being overlapped and fixedly connected with a roof front cross beam of the vehicle body reinforcement structure, the second cross beam is used for being overlapped and fixedly connected with a roof rear cross beam of the vehicle body reinforcement structure, the first longitudinal beam is used for being overlapped and fixedly connected with a first side wall assembly of the vehicle body reinforcement structure, and the second longitudinal beam is used for being overlapped and fixedly connected with a second side wall assembly of the vehicle body reinforcement structure. Through the mutual overlapping and fixed connection between the first cross beam, the second cross beam, the first longitudinal beam and the second longitudinal beam, the torsional stiffness and the torsional mode of the sunroof reinforcement plate can be improved, so that the torsional stiffness of the vehicle body and the vehicle body torsional mode can be improved, and then the good NVH performance, VD performance and durability of the whole vehicle can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0026] Figure 1 A structural schematic diagram of a vehicle body reinforcement structure is provided for the embodiments of the present application.

[0027] Figure 2 A structural schematic diagram of a roof assembly is provided for the vehicle body reinforcement structure in Figure 1

[0028] A structural schematic diagram of a roof assembly is provided for the vehicle body reinforcement structure in Figure 3 Figure 2 A structural schematic diagram of a roof assembly is provided for the vehicle body reinforcement structure in

[0029] Figure 4 Figure 3 A structural schematic diagram of a roof assembly is provided for the vehicle body reinforcement structure in

[0030] Figure 5 A structural schematic diagram of a roof assembly is provided for the vehicle body reinforcement structure in Figure 4

[0031] A structural schematic diagram of a roof assembly is provided for the vehicle body reinforcement structure in Figure 6 Figure 2 A structural schematic diagram of a roof assembly is provided for the vehicle body reinforcement structure in

[0032] Figure 7 A structural schematic diagram of a roof assembly is provided for the vehicle body reinforcement structure in Figure 6 A structural schematic diagram of a roof assembly is provided for the vehicle body reinforcement structure in​​​

[0033] Figure 8 is a cross-sectional structural schematic view of A-A in Figure 1

[0034] Figure 9 is a cross-sectional structural schematic view of B-B in Figure 1

[0035] Figure 10 is an enlarged schematic view of C in Figure 6

[0036] BRIEF DESCRIPTION OF DRAWINGS

[0037] 10 - roof header assembly; 11 - roof outer panel; 12 - roof window reinforcement; 121 - first cross beam; 122 - second cross beam; 123 - first longitudinal beam; 124 - second longitudinal beam; 12111 - sink; 12112 - first step surface; 12113 - first flange; 1211 - first lap joint; 1212 - second lap joint; 1221 - third lap joint; 1222 - fourth lap joint; 1231 - fifth lap joint; 12311 - avoidance groove; 12312 - second step surface; 12313 - second flange; 1232 - sixth lap joint; 1233 - first roof window mounting hole; 1234 - first mounting leg; 1235 - first bolt mounting hole; 1241 - seventh lap joint; 1242 - eighth lap joint; 1243 - second roof window mounting hole; 1244 - second mounting leg; 1245 - second bolt mounting hole;

[0038] 20 - front roof cross beam; 30 - rear roof cross beam; 40 - first side wall assembly; 41 - first side wall main body; 411 - first side wall outer panel; 412 - first upper side rail outer panel; 413 - first upper side rail inner panel; 4131 - first welding avoidance hole; 42 - first extension; 421 - first bolt mounting portion; 422 - first glue coating portion; 50 - second side wall assembly; 51 - second side wall main body; 52 - second extension. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0040] ​​​It should be noted that the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eight" are used only to describe the purpose of the description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eight" can be explicitly or implicitly included at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified.

[0041] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0043] In the above description, the description of the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, 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 different embodiments or features of different embodiments or examples described in the present specification without contradiction.

[0044] In related technologies, the sunroof is mounted on a roof assembly, which includes an outer roof panel and a sunroof reinforcement panel. The roof assembly is connected to the front roof crossbeam, front and rear roof crossbeams, left side panel assembly, and right side panel assembly. To improve interior light transmission and air circulation, the opening of the panoramic sunroof is enlarged. However, increasing the opening of the panoramic sunroof reduces the torsional stiffness and torsional mode of the vehicle body.

[0045] To address the aforementioned problems, this invention provides a sunroof reinforcement plate, a vehicle body reinforcement structure, and a vehicle. By interlocking and fixing the first crossbeam, second crossbeam, first longitudinal beam, and second longitudinal beam, the torsional stiffness and torsional mode of the sunroof reinforcement plate can be improved, thereby enhancing the torsional stiffness and torsional mode of the vehicle body, ultimately ensuring good NVH performance, VD performance, and durability of the entire vehicle. Furthermore, by interlocking and fixing the first crossbeam to the front crossbeam of the roof of the vehicle body reinforcement structure, the second crossbeam to the rear crossbeam of the roof of the vehicle body reinforcement structure, the first longitudinal beam to the first side panel assembly of the vehicle body reinforcement structure, and the second longitudinal beam to the second side panel assembly of the vehicle body reinforcement structure, the sunroof reinforcement plate can be fixed at both ends in the longitudinal direction and both ends in the lateral direction of the vehicle, further improving the torsional stiffness and torsional mode of the vehicle body, thus ensuring good NVH performance, VD performance, and durability of the entire vehicle.

[0046] The sunroof reinforcement plate, body reinforcement structure, and vehicle provided in the embodiments of the present invention will be described in detail below with reference to specific embodiments.

[0047] Figure 1 This is a schematic diagram of a vehicle body reinforcement structure provided in an embodiment of the present invention; Figure 2 for Figure 1 Exploded view of the vehicle body reinforcement structure; Figure 3 for Figure 2 A structural schematic diagram of the top cover assembly; Figure 4 for Figure 3 An exploded structural diagram of the sunroof reinforcement plate in the middle; Figure 5 for Figure 4 Structural diagrams of the first and fifth overlapping parts in the diagram; Figure 6 for Figure 2 A structural schematic diagram of the first side panel assembly and the second side panel assembly in the middle; Figure 7 for Figure 6 A partial structural diagram of the first side panel assembly.

[0048] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a vehicle body reinforcement structure, including a roof assembly 10, a front roof crossbeam 20, a rear roof crossbeam 30, a first side panel assembly 40, and a second side panel assembly 50.

[0049] The front end of the vehicle is the front end of the vehicle, and the rear end of the vehicle is the rear end of the vehicle. The left end of the vehicle is the left end of the vehicle as viewed from the trunk of the vehicle to the front end of the vehicle. The right end of the vehicle is the right end of the vehicle as viewed from the trunk of the vehicle to the front end of the vehicle. The bottom end of the vehicle is the bottom end of the vehicle, and the top end of the vehicle is the top end of the vehicle.

[0050] The first side wall assembly 40 is located at the left end of the vehicle, and the second side wall assembly 50 is located at the right end of the vehicle. The first side wall assembly 40 and the second side wall assembly 50 are oppositely arranged. The front roof cross beam 20 and the rear roof cross beam 30 are connected between the first side wall assembly 40 and the second side wall assembly 50, respectively. The front roof cross beam 20 and the rear roof cross beam 30 are oppositely arranged. The front roof cross beam 20 is arranged close to the front end of the vehicle, and the rear roof cross beam 30 is arranged close to the rear end of the vehicle.

[0051] As shown in Figure 6 , the first side wall assembly 40 includes a first side wall main body 41 and a first extension 42. The first side wall main body 41 and the first extension 42 are connected to each other. The first extension 42 can be formed by extending from the first side wall main body 41 to the inside of the vehicle in the left-right direction of the vehicle.

[0052] The second side wall assembly 50 includes a second side wall main body 51 and a second extension 52. The second side wall main body 51 and the second extension 52 are connected to each other. The second extension 52 can be formed by extending from the second side wall main body 51 to the inside of the vehicle in the left-right direction of the vehicle. It should be noted that the structure of the second side wall main body 51 is the same as that of the first side wall main body 41, and the structure of the second extension 52 is the same as that of the first extension 42.

[0053] As shown in Figure 2 and Figure 3 , the roof assembly 10 includes a roof outer plate 11 and a sunroof reinforcing plate 12. The roof outer plate 11 and the sunroof reinforcing plate 12 each include a window of the size of a sunroof. The roof assembly 10 is obtained by connecting the roof outer plate 11 and the sunroof reinforcing plate 12 in an upper-lower stacking manner. Specifically, the window of the roof outer plate 11 and the window of the sunroof reinforcing plate 12 are aligned in an upper-lower manner, and are connected together by at least two of shock-absorbing glue and structural glue bonding, spot welding, two-way welding, etc.

[0054] The roof outer plate 11 is respectively overlapped with the roof front cross beam 20, the roof rear cross beam 30, the first side body main body 41 and the second side body main body 51, so that both ends of the roof outer plate 11 in the front-rear direction of the vehicle and both ends of the roof outer plate 11 in the left-right direction of the vehicle can be fixed. Specifically, the roof outer plate 11 and the roof front cross beam 20 have a mutual overlapping part, the roof outer plate 11 is located above the roof front cross beam 20, and the roof outer plate 11 and the roof front cross beam 20 are connected together by spot welding and structural adhesive bonding; the roof outer plate 11 and the roof rear cross beam 30 have a mutual overlapping part, the roof outer plate 11 is located above the roof rear cross beam 30, and the roof outer plate 11 and the roof rear cross beam 30 are connected together by spot welding and structural adhesive bonding; the roof outer plate 11 and the first side body main body 41 have a mutual overlapping part, the roof outer plate 11 is located above the first side body main body 41, and the roof outer plate 11 and the first side body main body 41 are connected together by spot welding and structural adhesive bonding; the roof outer plate 11 and the second side body main body 51 have a mutual overlapping part, the roof outer plate 11 is located above the second side body main body 51, and the roof outer plate 11 and the second side body main body 51 are connected together by spot welding and structural adhesive bonding.

[0055] The roof window reinforcing plate 12 is formed by combining a plurality of split parts. The roof window reinforcing plate 12 is respectively overlapped with the roof front cross beam 20, the roof rear cross beam 30, the first extension 42 and the second extension 52, so that both ends of the roof window reinforcing plate 12 in the front-rear direction of the vehicle and both ends of the roof window reinforcing plate 12 in the left-right direction of the vehicle can be fixed. Specifically, the roof window reinforcing plate 12 and the roof front cross beam 20 have a mutual overlapping part, the roof window reinforcing plate 12 is located above the roof front cross beam 20, and the roof window reinforcing plate 12 and the roof front cross beam 20 are connected together by structural adhesive bonding and bolt connection; the roof window reinforcing plate 12 and the roof rear cross beam 30 have a mutual overlapping part, the roof window reinforcing plate 12 is located above the roof rear cross beam 30, and the roof window reinforcing plate 12 and the roof rear cross beam 30 are connected together by structural adhesive and bolt connection; as shown in Figure 6 and Figure 7 The first extension 42 is provided with a plurality of first bolt mounting parts 421 and a plurality of first glue coating parts 422, the plurality of first bolt mounting parts 421 make the first extension 42 and the roof window reinforcing plate 12 connected together by bolt, and the plurality of first glue coating parts 422 make the first extension 42 and the roof window reinforcing plate 12 connected together by structural adhesive bonding; the second extension 52 is provided with a plurality of second bolt mounting parts and a plurality of second glue coating parts, the plurality of second bolt mounting parts make the second extension 52 and the roof window reinforcing plate 12 connected together by bolt, and the plurality of second glue coating parts make the second extension 52 and the roof window reinforcing plate 12 connected together by structural adhesive bonding.

[0056] The vehicle body reinforcing structure provided by the embodiment of the present application has the first extension part 42 of the first side wall assembly 40 and the second extension part 52 of the second side wall assembly 50, the first extension part 42 and the sunroof reinforcing plate 12 are overlapped with each other, the second extension part 52 and the sunroof reinforcing plate 12 are overlapped with each other, the first extension part 42 is provided with a plurality of first bolt mounting parts 421 and a plurality of first glue coating parts 422, the second extension part 52 is provided with a plurality of second bolt mounting parts and a plurality of second glue coating parts, the plurality of first bolt mounting parts 421 and the plurality of first glue coating parts 422 fix the first extension part 42 and the sunroof reinforcing plate 12 together, the plurality of second bolt mounting parts and the plurality of second glue coating parts fix the second extension part 52 and the sunroof reinforcing plate 12 together, the connection strength between the roof assembly 10 and the first side wall assembly 40 is enhanced, and the connection strength between the roof assembly 10 and the second side wall assembly 50 is enhanced, so that the torsional rigidity of the vehicle body and the torsional mode of the vehicle body can be improved, and the good NVH performance, VD performance and durability of the whole vehicle are ensured.

[0057] As shown in Figure 4 The embodiment of the present application provides a sunroof reinforcing plate 12, which comprises a first cross beam 121, a second cross beam 122, a first longitudinal beam 123 and a second longitudinal beam 124, the first longitudinal beam 123 is respectively overlapped and fixedly connected with the first cross beam 121 and the second cross beam 122, the second longitudinal beam 124 is respectively overlapped and fixedly connected with the first cross beam 121 and the second cross beam 122, the first cross beam 121 and the second cross beam 122 are oppositely arranged, and the first longitudinal beam 123 and the second longitudinal beam 124 are oppositely arranged.

[0058] The first longitudinal beam 123 and the first cross beam 121 have a mutual overlapping part, and the first longitudinal beam 123 and the first cross beam 121 can be connected together by at least one of structural glue bonding, spot welding, two-way welding and the like.

[0059] The first longitudinal beam 123 and the second cross beam 122 have a mutual overlapping part, and the first longitudinal beam 123 and the second cross beam 122 can be connected together by at least one of structural glue bonding, spot welding, two-way welding and the like.

[0060] The second longitudinal beam 124 and the first cross beam 121 have a mutual overlapping part, and the second longitudinal beam 124 and the first cross beam 121 can be connected together by at least one of structural glue bonding, spot welding, two-way welding and the like.

[0061] The second longitudinal beam 124 and the second cross beam 122 have a mutual overlapping part, and the second longitudinal beam 124 and the second cross beam 122 can be connected together by at least one of structural glue bonding, spot welding, two-way welding and the like.

[0062] The thicknesses of the first cross beam 121, the second cross beam 122, the first longitudinal beam 123 and the second longitudinal beam 124 are determined through sensitivity analysis, and the lightweight of the sunroof reinforcement plate 12 can be achieved.

[0063] Through the mutual lapping and fixed connection between the first cross beam 121, the second cross beam 122, the first longitudinal beam 123 and the second longitudinal beam 124, the torsional stiffness and the torsional mode of the sunroof reinforcement plate can be improved, so that the torsional stiffness and the torsional mode of the vehicle body can be improved, and then the good NVH performance, VD performance and durability performance of the whole vehicle can be ensured.

[0064] The first cross beam 121 is lapped and fixedly connected with the roof front cross beam 20 of the vehicle body reinforcement structure, the second cross beam 122 is lapped and fixedly connected with the roof rear cross beam 30 of the vehicle body reinforcement structure, the first longitudinal beam 123 is lapped and fixedly connected with the first side wall assembly 40 of the vehicle body reinforcement structure, and the second longitudinal beam 124 is lapped and fixedly connected with the second side wall assembly 50 of the vehicle body reinforcement structure. In this way, both ends of the sunroof reinforcement plate in the front-rear direction of the vehicle and both ends of the sunroof reinforcement plate in the left-right direction of the vehicle can be fixed, the torsional stiffness and the torsional mode of the vehicle body can be improved, and then the good NVH performance, VD performance and durability performance of the whole vehicle can be ensured.

[0065] Specifically, the first cross beam 121 and the roof front cross beam 20 have a mutual overlapping part, the first cross beam 121 is located above the roof front cross beam 20, and the first cross beam 121 and the roof front cross beam 20 are fixed together by structural adhesive bonding and bolt screwing.

[0066] The second cross beam 122 and the roof rear cross beam 30 have a mutual overlapping part, the second cross beam 122 is located above the roof rear cross beam 30, and the second cross beam 122 and the roof rear cross beam 30 are connected together by structural adhesive and bolts.

[0067] As shown in Figure 7 The first extension 42 is provided with a plurality of first bolt mounting portions 421 and a plurality of first glue coating portions 422, the plurality of first bolt mounting portions 421 screw the first extension 42 and the first longitudinal beam 123 together, and the plurality of first glue coating portions 422 bond the first extension 42 and the first longitudinal beam 123 together by structural adhesive.

[0068] The second extension 52 is provided with a plurality of second bolt mounting portions and a plurality of second glue coating portions, the plurality of second bolt mounting portions screw the second extension 52 and the second longitudinal beam 124 together, and the plurality of second glue coating portions bond the second extension 52 and the second longitudinal beam 124 together by structural adhesive.

[0069] Optionally, the first cross beam 121 is provided with a first lap joint 1211 and a second lap joint 1212 at two ends thereof, the second cross beam 122 is provided with a third lap joint 1221 and a fourth lap joint 1222 at two ends thereof, the first longitudinal beam 123 is provided with a fifth lap joint 1231 and a sixth lap joint 1232 at two ends thereof, the second longitudinal beam 124 is provided with a seventh lap joint 1241 and an eighth lap joint 1242 at two ends thereof, the first lap joint 1211, the second lap joint 1212, the third lap joint 1221 and the fourth lap joint 1222 are of the same structure, the fifth lap joint 1231, the sixth lap joint 1232, the seventh lap joint 1241 and the eighth lap joint 1242 are of the same structure, the first lap joint 1211 and the fifth lap joint 1231 are connected together by spot welding, the second lap joint 1212 and the seventh lap joint 1241 are connected together by spot welding, the third lap joint 1221 and the sixth lap joint 1232 are connected together by spot welding, and the fourth lap joint 1222 and the eighth lap joint 1242 are connected together by spot welding.

[0070] Further, as shown in Figure 5 the first lap joint 1211 is provided with a sink 12111, the fifth lap joint 1231 is provided with a avoiding slot 12311, the sink 12111 can be clamped in the avoiding slot 12311, and the sink 12111 and the avoiding slot 12311 are used for positioning the first cross beam 121 and the first longitudinal beam 123. In this way, through the sink 12111 and the avoiding slot 12311, the positioning and installation between the first lap joint 1211 and the fifth lap joint 1231 can be realized, so that the installation precision between the first lap joint 1211 and the fifth lap joint 1231 can be improved.

[0071] The shape of the sink 12111 can be any shape, which is not specifically set here. The shape of the avoiding slot 12311 matches the shape of the sink 12111.

[0072] The structure of the second lap joint 1212, the third lap joint 1221 and the fourth lap joint 1222 can refer to the structure of the first lap joint 1211. The structure of the sixth lap joint 1232, the seventh lap joint 1241 and the eighth lap joint 1242 can refer to the structure of the fifth lap joint 1231.

[0073] The installation mode between the first lap joint 1211 and the fifth lap joint 1231, the installation mode between the second lap joint 1212 and the seventh lap joint 1241, the installation mode between the third lap joint 1221 and the sixth lap joint 1232, and the installation mode between the fourth lap joint 1222 and the eighth lap joint 1242 are all the same.

[0074] Optionally, as shown in Figure 5As shown, the first lap joint portion 1211 is further provided with a first stepped surface 12112, and the fifth lap joint portion 1231 is further provided with a second stepped surface 12312, and the first stepped surface 12112 and the second stepped surface 12312 are used to be connected together by structural adhesive. In this way, through the first stepped surface 12112 and the second stepped surface 12312, the positioning and installation between the first lap joint portion 1211 and the fifth lap joint portion 1231 can be realized, so that the installation precision between the first lap joint portion 1211 and the fifth lap joint portion 1231 can be further improved.

[0075] The shape of the first stepped surface 12112 can be any shape, which is not specifically set here. The shape of the second stepped surface 12312 matches the shape of the first stepped surface 12112.

[0076] Optionally, as shown in Figure 5 , the first lap joint portion 1211 extends to the middle of the first longitudinal beam 123 in the first circular arc direction, and the fifth lap joint portion 1231 extends to the middle of the first transverse beam 121 in the first circular arc direction. In this way, the first lap joint portion 1211 and the fifth lap joint portion 1231 can cover the area where the sunroof reinforcement plate concentrates strain energy under torsion working conditions.

[0077] The first lap joint portion 1211 is further provided with a first flange 12113, and the fifth lap joint portion 1231 is further provided with a second flange 12313, and the first flange 12113 and the second flange 12313 abut in the first circular arc direction. In this way, the torsional stiffness and torsional mode of the sunroof reinforcement plate 12 can be further improved, so that the torsional stiffness of the vehicle body and the vehicle body torsional mode can be improved, and then the good NVH performance, VD performance and durability of the whole vehicle can be ensured.

[0078] It should be noted that the four corners of the sunroof reinforcement plate 12 are all rounded. The first circular arc direction is the circular arc direction of the rounded corners of the first lap joint portion 1211 and the fifth lap joint portion 1231 of the sunroof reinforcement plate 12.

[0079] Figure 8 For Figure 1 the cross-sectional structure schematic view of A-A in FIG. 1; Figure 9 for Figure 1 the cross-sectional structure schematic view of B-B in FIG. 1.

[0080] Optionally, as shown in Figure 8 and Figure 9 , the first side body 41 includes a first side outer plate 411, a first upper side beam outer plate 412 and a first upper side beam inner plate 413, the first side outer plate 411 is connected with the roof outer plate 11, and the first extension portion 42 is connected on the first upper side beam outer plate 412 and / or the first upper side beam inner plate 413, and the first extension portion 42 extends to the vehicle interior.

[0081] The first side outer panel 411 is connected to the outer side of the first upper side outer panel 412, and the first upper side inner panel 413 is connected to the inner side of the first upper side outer panel 412.

[0082] The roof outer panel 11 is connected to the first side outer panel 411. Specifically, the roof outer panel 11 and the first side outer panel 411 have a mutual overlapping portion, the roof outer panel 11 is located above the first side outer panel 411, and the roof outer panel 11 and the first side outer panel 411 are connected together by structural adhesive bonding.

[0083] The roof outer panel 11 is connected to the first side outer panel 411 and the first upper side outer panel 412 by spot welding.

[0084] The first extension 42 can be connected to the first upper side outer panel 412, or can be connected to the first upper side inner panel 413, or can be connected to both the first upper side outer panel 412 and the first upper side inner panel 413.

[0085] In an alternative embodiment, the first extension 42 is connected to the first upper side inner panel 413, and the first extension 42 is integrally formed with the first upper side inner panel 413.

[0086] As shown in Figure 3 The first longitudinal beam 123 is further provided with a plurality of first mounting legs 1234, which are arranged close to the first side assembly 40. The first mounting leg 1234 and the roof outer panel 11 have a mutual overlapping portion, and the first mounting leg 1234 and the roof outer panel 11 are connected together by spot welding. In this way, the rigidity of the roof assembly 10 can be improved, thereby facilitating the transportation of the roof assembly 10 during production.

[0087] The plurality of first mounting legs 1234 are used to lap and fixedly connect the first side outer panel 411 by structural adhesive. The first mounting leg 1234 and the first side outer panel 411 have a mutual overlapping portion, and the first mounting leg 1234 and the first side outer panel 411 are connected together by structural adhesive. In this way, the first mounting leg 1234 can improve the connection strength between the roof assembly 10 and the first side assembly 40, thereby improving the torsional stiffness and torsional mode of the vehicle body, and further ensuring good NVH performance, VD performance and durability of the vehicle.

[0088] Figure 10 is an enlarged view of C in Figure 6

[0089] ​Further, the first extension part 42 comprises a plurality of first extension plates, which are arranged in the front-rear direction of the vehicle and are spaced apart from each other, and each of the first extension plates is provided with a first bolt mounting part 421 and a first glue coating part 422. In this way, the torsional stiffness and the torsional mode of the vehicle body can be ensured, and the weight of the first side wall assembly 40 can be reduced.

[0090] Of course, without considering the weight of the first side wall assembly 40, the first extension part 42 can be one extension plate without being spaced apart, which can increase the area of the sunroof reinforcement plate 12 and the first extension part 42 that are overlapped with each other in the front-rear direction of the vehicle, so as to improve the torsional stiffness and the torsional mode of the vehicle body.

[0091] The first extension plate can be a plate of any shape, and no specific arrangement is made herein.

[0092] The number of the first bolt mounting parts 421 on the first extension plate can be determined according to actual needs, and no specific arrangement is made herein. The number of the first glue coating parts 422 on the first extension plate can be determined according to actual needs, and no specific arrangement is made herein.

[0093] In an optional embodiment, as shown in Figure 10 the first bolt mounting part 421 is a third bolt mounting hole, the first glue coating part 422 is a first glue coating surface, and the first bolt mounting part 421 and the first glue coating part 422 are arranged in steps on the first extension plate. In this way, the structural glue of the first glue coating surface can be prevented from being squeezed onto the first bolt mounting part 421 during the bonding of the first extension part 42 and the sunroof reinforcement plate 12, and the stepped arrangement can effectively improve the stiffness of the first extension part 42, so as to better connect and fix the first extension part 42 and the sunroof reinforcement plate 12, and improve the torsional stiffness and the torsional mode of the vehicle body.

[0094] It should be noted that the first extension plate is a stepped plate, and the first bolt mounting part 421 and the first glue coating part 422 are arranged in steps on the first extension plate. The shape of the first longitudinal beam 123 of the sunroof reinforcement plate 12 matches the shape of the first extension plate, and the part of the first longitudinal beam 123 in contact with the first extension plate is also arranged in steps.

[0095] The plurality of first extension plates and the plurality of first mounting legs 1234 are arranged in an interlaced manner. In this way, the connection strength between the roof assembly 10 and the first side wall assembly 40 can be further enhanced, so as to improve the torsional stiffness and the torsional mode of the vehicle body, and further ensure the good NVH performance, VD performance and durability of the vehicle.

[0096] Optionally, the second side panel body 51 includes a second side panel outer plate, a second upper beam outer plate, and a second upper beam inner plate. The second side panel outer plate is connected to the roof outer plate, and the second extension 52 is connected to the second upper beam outer plate and / or the second upper beam inner plate, extending into the vehicle interior. The specific structure of the second side panel body 51 can refer to the structure of the first side panel body 41.

[0097] The second side outer panel is connected to the outside of the second upper beam outer panel, and the second upper beam inner panel is connected to the inside of the second upper beam outer panel. The structure of the second side outer panel is the same as that of the first side outer panel 411; the structure of the second upper beam outer panel is the same as that of the first upper beam outer panel 412; and the structure of the second upper beam inner panel is the same as that of the first upper beam inner panel 413.

[0098] The top cover outer panel 11 is connected to the second side panel outer panel. Specifically, there is an overlapping portion between the top cover outer panel 11 and the second side panel outer panel, with the top cover outer panel 11 located above the second side panel outer panel, and the top cover outer panel and the second side panel outer panel are bonded together with structural adhesive.

[0099] The outer plate of the top cover 11 is spot-welded to the outer plate of the second side wall and the outer plate of the second upper beam.

[0100] The second extension 52 can be connected to the outer plate of the second upper beam, or to the inner plate of the second upper beam, or to both the outer plate of the second upper beam and the inner plate of the second upper beam.

[0101] In one alternative embodiment, the second extension 52 is connected to the inner plate of the second upper beam, and the second extension 52 is integrally formed with the inner plate of the second upper beam.

[0102] like Figure 3 As shown, the second longitudinal beam 124 is also provided with multiple second mounting legs 1244, which are positioned close to the second side assembly 50. The second mounting legs 1244 overlap with the outer top cover plate 11, and are spot-welded together. This arrangement improves the rigidity of the top cover assembly 10, thus facilitating its transport during production.

[0103] The second mounting leg 1244 is used to be connected with the second side outer plate by structural adhesive. The second mounting leg 1244 and the second side outer plate are connected together by structural adhesive. In this way, the connection strength between the roof assembly 10 and the second side assembly 50 can be improved by the second mounting leg 1244, so as to improve the torsional stiffness and torsional mode of the vehicle body, and further to ensure the good NVH performance, VD performance and durability of the vehicle.

[0104] Further, the second extension part 52 comprises a plurality of second extension plates which are arranged at intervals in the front-rear direction of the vehicle. Each second extension plate is provided with a second bolt mounting part and a second glue coating. In this way, the weight of the second side assembly 40 can be reduced while ensuring the torsional stiffness and torsional mode of the vehicle body. The specific structure of the second extension part 52 can refer to the structure of the first extension part 42.

[0105] Of course, without considering the weight of the second side assembly 50, the second extension part 52 can be an undivided extension plate, which can increase the area of the sunroof reinforcement plate 12 and the second extension part 52 in the front-rear direction of the vehicle, so as to improve the torsional stiffness and torsional mode of the vehicle body.

[0106] The shape of the second extension plate is consistent with the shape of the first extension plate.

[0107] The number of the second bolt mounting parts on the second extension plate can be determined according to actual needs, and is not specifically set here. The number of the second glue coating parts on the second extension plate can be determined according to actual needs, and is not specifically set here.

[0108] In an optional embodiment, the second bolt mounting part is a fourth bolt mounting hole, and the second glue coating part is a second glue coating surface. The second bolt mounting part and the second glue coating part are arranged in steps on the second extension plate. In this way, the structural adhesive of the second glue coating surface can be prevented from being squeezed onto the second bolt mounting part during the bonding process of the second extension part 52 and the sunroof reinforcement plate 12. Meanwhile, the stepped arrangement can effectively improve the stiffness of the second extension part 52, so as to better connect and fix the second extension part 52 and the sunroof reinforcement plate 12, and improve the torsional stiffness and torsional mode of the vehicle body.

[0109] It should be noted that the second extension plate is a stepped plate, and the second bolt mounting part and the second glue coating part are arranged in steps on the second extension plate. The shape of the second longitudinal beam 124 of the sunroof reinforcement plate 12 matches the shape of the second extension plate, and the part of the second longitudinal beam 124 in contact with the second extension plate is also arranged in steps.

[0110] The plurality of second extension plates are staggered with the plurality of second mounting legs 1244. In this way, the connection strength between the roof assembly 10 and the second side wall assembly 50 can be further enhanced, so as to improve the torsional stiffness and torsional mode of the vehicle body, and thus ensure good NVH performance, VD performance and durability of the vehicle.

[0111] Optionally, as shown in Figure 3 The first longitudinal beam 123 is provided with a plurality of first bolt mounting holes 1235 and a plurality of first sunroof mounting holes 1233. The centers of the plurality of first sunroof mounting holes 1233 are located on the first straight line, and the centers of the plurality of first bolt mounting holes 1235 are located close to the first straight line. The plurality of first bolt mounting holes 1235 are used for screwing the first longitudinal beam 123 and the plurality of first extension plates together, and the plurality of first sunroof mounting holes 1233 are used for mounting the sunroof and the sunroof reinforcement plate together. In this way, the sunroof load can be transmitted, and the load-carrying capacity of the vehicle body reinforcement structure can be improved.

[0112] The second longitudinal beam 124 is provided with a plurality of second bolt mounting holes 1245 and a plurality of second sunroof mounting holes 1243. The centers of the plurality of second sunroof mounting holes 1243 are located on the second straight line, and the centers of the plurality of second bolt mounting holes 1245 are located close to the second straight line. The plurality of second bolt mounting holes 1245 are used for screwing the second longitudinal beam 124 and the plurality of second extension plates together, and the plurality of second sunroof mounting holes 1243 are used for mounting the sunroof and the sunroof reinforcement plate together. In this way, the sunroof load can be transmitted, and the load-carrying capacity of the vehicle body reinforcement structure can be improved. It should be noted that Figure 3 The dashed lines in the above figure are the first straight line and the second straight line.

[0113] The first bolt mounting hole 1235 is arranged corresponding to the first bolt mounting portion 421, and the second bolt mounting hole 1245 is arranged corresponding to the second bolt mounting portion.

[0114] The first longitudinal beam 123 and the plurality of first extension plates are bonded by structural adhesive, and then the connection between them is reinforced by bolt connection. The bolt connection can provide rigid connection before the structural adhesive is baked, improve the connection effect of the structural adhesive bonding, and improve the modal and stiffness performance of the vehicle.

[0115] The second longitudinal beam 124 and the plurality of second extension plates are bonded by structural adhesive, and then the connection between them is reinforced by bolt connection. The bolt connection can provide rigid connection before the structural adhesive is baked, improve the connection effect of the structural adhesive bonding, and improve the modal and stiffness performance of the vehicle.

[0116] In an optional embodiment, the centers of the plurality of first bolt mounting holes 1235 are located on the first straight line, and the centers of the plurality of second bolt mounting holes 1245 are located on the second straight line.

[0117] Optionally, the two ends of the top cover front cross beam 20 are screwed together with the first cross beam 121, and the middle of the top cover front cross beam 20 is adhesively connected together with the first cross beam 121. In this way, bolts can be arranged between the top cover front cross beam 20 and the sunroof reinforcing plate 12 at the corner point position with greater stress, and structural glue is used for connection at the middle position with smaller stress, so that the stress is more reasonable, and the connection is more stable.

[0118] The two ends of the top cover rear cross beam 30 are screwed together with the second cross beam 122, and the middle of the top cover rear cross beam 30 is adhesively connected together with the second cross beam 122. In this way, bolts can be arranged between the top cover rear cross beam 30 and the sunroof reinforcing plate 12 at the corner point position with greater stress, and structural glue is used for connection at the middle position with smaller stress, so that the stress is more reasonable, and the connection is more stable.

[0119] Optionally, as shown in Figure 7 A plurality of first welding avoidance holes 4131 are arranged on the first upper side beam inner plate 413, and the plurality of first welding avoidance holes 4131 are arranged in the front-rear direction of the vehicle, and the plurality of first welding avoidance holes 4131 are used for three-layer spot welding connection of the top cover outer plate 11, the first side outer plate 411 and the first upper side beam outer plate 412. In this way, the connection of the top cover outer plate 11 and the first side assembly 40 can be more stable.

[0120] A plurality of second welding avoidance holes are arranged on the second upper side beam inner plate, and the plurality of second welding avoidance holes are arranged in the front-rear direction of the vehicle, and the plurality of second welding avoidance holes are used for three-layer spot welding connection of the top cover outer plate 11, the second side outer plate and the second upper side beam outer plate. In this way, the connection of the top cover outer plate 11 and the second side assembly 50 can be more stable.

[0121] The embodiment of the present application also provides a vehicle, a sunroof and a body reinforcing structure. The sunroof is detachably mounted on the body reinforcing structure.

[0122] In the embodiment, the body reinforcing structure is the same as the body reinforcing structure provided by any of the above embodiments, and can bring the same or similar technical effects, which will not be described here one by one, and the specific description can be referred to the description of the above embodiments.

[0123] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A skylight reinforcement plate, characterized in that, It includes a first crossbeam, a second crossbeam, a first longitudinal beam, and a second longitudinal beam. The first longitudinal beam overlaps and is fixedly connected to the first crossbeam and the second crossbeam, respectively. The second longitudinal beam overlaps and is fixedly connected to the first crossbeam and the second longitudinal beam, respectively. The first crossbeam and the second crossbeam are arranged opposite to each other, and the first longitudinal beam and the second longitudinal beam are arranged opposite to each other. The first crossbeam is used to overlap and be fixedly connected with the front crossbeam of the roof of the body reinforcement structure; the second crossbeam is used to overlap and be fixedly connected with the rear crossbeam of the roof of the body reinforcement structure; the first longitudinal beam is used to overlap and be fixedly connected with the first side panel assembly of the body reinforcement structure; and the second longitudinal beam is used to overlap and be fixedly connected with the second side panel assembly of the body reinforcement structure. The first crossbeam has a first lap joint and a second lap joint at both ends, and the first longitudinal beam has a fifth lap joint and a sixth lap joint at both ends. The first overlapping portion extends toward the middle of the first longitudinal beam in the first arc direction, and the fifth overlapping portion extends toward the middle of the first transverse beam in the first arc direction. The first overlapping portion is further provided with a first flange, and the fifth overlapping portion is further provided with a second flange, wherein the first flange and the second flange abut against each other in the first arc direction; The first side panel assembly includes a first side panel body and a first extension. The first side panel body includes a first side panel outer plate, a first upper beam outer plate, and a first upper beam inner plate. The second side panel assembly includes a second side panel body and a second extension. The second side panel body includes a second side panel outer plate, a second upper beam outer plate, and a second upper beam inner plate. The first longitudinal beam is provided with a plurality of first mounting legs, and the second longitudinal beam is provided with a plurality of second mounting legs. The plurality of first mounting legs are used to overlap and fix the first side panel with structural adhesive, and the plurality of second mounting legs are used to overlap and fix the second side panel with structural adhesive. The first extension includes a plurality of first extension plates, which are spaced apart in the longitudinal direction of the vehicle. Each first extension plate is provided with a first bolt mounting portion and a first adhesive application portion. The first bolt mounting portion and the first adhesive application portion are stepped on the first extension plate. The plurality of first extension plates are used to connect to the first longitudinal beam by bolts and structural adhesive. The second extension includes a plurality of second extension plates, which are spaced apart in the longitudinal direction of the vehicle. Each second extension plate is provided with a second bolt mounting portion and a second adhesive application portion. The second bolt mounting portion and the second adhesive application portion are stepped on the second extension plate. The plurality of second extension plates are used to connect to the second longitudinal beam by bolts and structural adhesive. Multiple first extension plates are staggered with multiple first mounting legs, and multiple second extension plates are staggered with multiple second mounting legs.

2. The skylight reinforcement plate according to claim 1, characterized in that, The second crossbeam has a third and a fourth lap joint at both ends, and the second longitudinal beam has a seventh and an eighth lap joint at both ends. The first, second, third, and fourth lap joints have the same structure, as do the fifth, sixth, seventh, and eighth lap joints. The first and fifth lap joints are connected together by spot welding, the second and seventh lap joints are connected together by spot welding, the third and sixth lap joints are connected together by spot welding, and the fourth and eighth lap joints are connected together by spot welding.

3. The skylight reinforcement plate according to claim 2, characterized in that, The first overlapping part is provided with a recessed platform, and the fifth overlapping part is provided with a clearance hole. The recessed platform can be locked in the clearance hole. The recessed platform and the clearance hole are used to position the first crossbeam and the first longitudinal beam.

4. The skylight reinforcement plate according to claim 3, characterized in that, The first overlapping portion is further provided with a first stepped surface, and the fifth overlapping portion is further provided with a second stepped surface. The first stepped surface and the second stepped surface are used to connect them together by structural adhesive.

5. The sunroof reinforcement plate according to any one of claims 1-4, characterized in that, The first side panel is connected to the roof panel, the first extension is connected to the outer panel of the first upper beam and / or the inner panel of the first upper beam, and the first extension extends into the vehicle interior. The second side panel is connected to the top cover panel, the second extension is connected to the second upper beam outer panel and / or the second upper beam inner panel, and the second extension extends into the vehicle interior.

6. The skylight reinforcement plate according to claim 5, characterized in that, The first longitudinal beam is provided with a plurality of first bolt mounting holes and a plurality of first skylight mounting holes. The center of the plurality of first skylight mounting holes is located on a first straight line. The center of the plurality of first bolt mounting holes is located close to the first straight line. The plurality of first bolt mounting holes are used to screw the first longitudinal beam together with the plurality of first extension plates. The plurality of first skylight mounting holes are used to install the skylight and the skylight reinforcing plate together. The second longitudinal beam is provided with a plurality of second bolt mounting holes and a plurality of second skylight mounting holes. The center of the plurality of second skylight mounting holes is located on the second straight line, and the center of the plurality of second bolt mounting holes is located close to the second straight line. The plurality of second bolt mounting holes are used to screw the second longitudinal beam together with the plurality of second extension plates, and the plurality of second skylight mounting holes are used to install the skylight and the skylight reinforcing plate together.

7. A vehicle body reinforcement structure, characterized in that, Includes a first side panel assembly, a second side panel assembly, and a sunroof reinforcement plate as described in any one of claims 1-6; The sunroof reinforcement plate is fixed to the first side panel assembly and the second side panel assembly.

8. A vehicle, characterized in that, include: Sunroof and the vehicle body reinforcement structure as described in claim 7; The sunroof is detachably mounted on the vehicle body reinforcement structure.

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