Back door assembly and vehicle

Abstract

The utility model provides a back door assembly and a vehicle. The back door assembly comprises a back door metal plate, a tail lamp arranged on the back door metal plate and an outer decoration plate located below the tail lamp. A connecting part is arranged at the top of the outer decoration plate, the connecting part is bent forwards and extends upwards to the position between the tail lamp and the back door metal plate, and the connecting part and the tail lamp are connected with the back door metal plate through the same connecting piece. According to the back door assembly, the connecting part located between the tail lamp and the back door metal plate is arranged at the top of the outer decorative plate, and the connecting part and the tail lamp are connected with the back door metal plate through the same connecting piece, so that the structural strength of the outer decorative plate can be improved, the number of holes in the back door metal plate can be reduced, and the service life of the back door assembly is prolonged. Therefore, the forming of the metal plate of the back door is facilitated, the assembling efficiency of the back door assembly is improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle parts, and in particular to a back door assembly. Meanwhile, the utility model also relates to a vehicle provided with the back door assembly. Background Art

[0002] At present, the exterior trim panel in the tailgate assembly is located at the rear of the tailgate sheet metal. Its main function is to utilize the diversity and variability of plastic parts molding to achieve the specified shape when the tailgate sheet metal cannot meet the styling requirements due to process limitations. It also provides installation points and structural layout space for important functional parts of the vehicle, such as license plate lights, wiring harnesses, rearview cameras, micro switches, etc., and cooperates with the rear taillights, side panel sheets, rear bumper, and tailgate sheet metal to achieve DTS (Digital Theatre System) at the rear of the vehicle.

[0003] In the prior art, the exterior trim is fixed to the back door sheet metal by means of clipping and screwing, so it is necessary to open multiple holes on the back door sheet metal. However, the back door sheet metal is prone to cracking or even failure to form due to the large number of holes. In some solutions, it is usually necessary to increase the number of parts, which is not conducive to reducing production costs. Utility Model Content

[0004] In view of this, the utility model aims to provide a tailgate assembly to reduce the number of parts and components and lower the production cost.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A tailgate assembly includes a tailgate sheet metal, a taillight disposed on the tailgate sheet metal, and an exterior panel located below the taillight; a connecting portion is provided on the top of the exterior panel, the connecting portion is bent forward and extends upward to between the taillight and the tailgate sheet metal, and the connecting portion and the taillight are connected to the tailgate sheet metal through the same connecting piece.

[0007] Furthermore, a limiting portion is provided between the connecting portion and the taillight, and the limiting portion is used to limit the displacement of the taillight in the height direction of the tailgate sheet metal; and / or, a first positioning portion is provided between the connecting portion and the tailgate sheet metal, and the first positioning portion is used to position the connecting portion on the tailgate sheet metal.

[0008] Furthermore, the limiting portion includes a limiting hole provided on the connecting portion, and a limiting plate provided on the taillight, and the limiting plate is inserted into the limiting hole.

[0009] Furthermore, mounting frames are respectively provided at both ends of the exterior trim panel, and a first connecting portion is provided between each mounting frame and the rear door sheet metal, and the first connecting portion is used to connect the mounting frame and the rear door sheet metal together; a second positioning portion is provided between at least one of the mounting frames and the rear door sheet metal, and the second positioning portion is used to position the exterior trim panel on the rear door sheet metal.

[0010] Furthermore, the first connecting portion includes a doghouse provided on at least one of the mounting frames, and a connecting structure provided on the doghouse and detachably connected to the tailgate sheet metal; and / or, the second positioning portion includes a positioning column provided on the mounting frame, and a positioning hole provided on the tailgate sheet metal for inserting the positioning column.

[0011] Furthermore, the exterior panel is extended in the left-right direction of the vehicle, and the connecting portion is located in the middle of the length direction of the exterior panel and extends in the left-right direction of the vehicle; and / or,

[0012] A limiting protrusion is provided on the connecting portion, and the limiting protrusion protrudes toward one side of the rear door sheet metal; the limiting protrusion abuts against the rear door sheet metal to limit the displacement of the connecting portion.

[0013] Further, a third positioning portion is provided between at least one end of the taillight and the rear door sheet metal, and the third positioning portion is used to position the end of the taillight on the rear door sheet metal; and / or,

[0014] A second connection portion is provided between both ends of the taillight and the back door sheet metal, and the second connection portion is used to connect the taillight and the back door sheet metal together.

[0015] Furthermore, it also includes a license plate light bracket connected to the exterior panel; a guide portion is provided between the license plate light bracket and the exterior panel, and the guide portion is used to guide the license plate light bracket to a connection position with the exterior panel.

[0016] Furthermore, the guide portion includes guide grooves provided at both ends of the license plate light bracket, and convex strips provided on the license plate light bracket for each of the guide grooves to slide into; and / or, the license plate light bracket is provided with at least one of a micro switch mounting hole and a camera mounting hole.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The tailgate assembly described in the utility model is configured with a connecting portion located between the taillight and the tailgate sheet metal on the top of the exterior panel, and the connecting portion and the taillight are connected to the tailgate sheet metal through the same connecting piece, which not only helps to improve the structural strength of the exterior panel, but also helps to reduce the number of openings on the tailgate sheet metal and the number of parts, thereby facilitating the forming of the tailgate sheet metal, improving the assembly efficiency of the tailgate assembly, and reducing the production cost.

[0019] In addition, by setting a limiter to limit the displacement of the taillight in the height direction of the back door sheet metal, it is beneficial to improve the coordination effect between the taillight and the connecting part, as well as the installation accuracy of the taillight; by positioning the connecting part on the back door sheet metal through the first positioning part, it is beneficial to improve the positioning efficiency, thereby improving the installation efficiency and accuracy of the connecting part and the taillight. The limiter hole and the limiter sheet have a simple structure and are easy to process and form, and the coordination of the two has a good limiting effect. The first connecting part between the mounting frame and the back door sheet metal is beneficial to improve the connection strength between the outer trim and the back door sheet metal; by positioning at least one end of the outer trim on the back door sheet metal through the second positioning part, it is beneficial to improve the positioning effect of the outer trim.

[0020] In addition, the mounting frame is detachably connected to the back door sheet metal through the connection structure on the doghouse, which is convenient for the maintenance and replacement of the exterior panel; the positioning column and the positioning hole have a simple structure, and the positioning effect of the two is good. The connection part is located in the middle of the length direction of the exterior panel, which is conducive to further improving the structural strength and connection firmness of the exterior panel; the limit protrusion on the connection part is in contact with the back door sheet metal, which is conducive to solving the problem of friction or collision noise during the driving process of the rear of the vehicle, and at the same time, it is conducive to ensuring the appearance of the exterior panel and the taillight. The guide part between the license plate light bracket and the exterior panel is conducive to guiding the license plate light bracket to the connection position, thereby improving the installation efficiency of the license plate light bracket. The guide groove and the convex strip have a simple structure, and the sliding cooperation of the two has a good guiding effect.

[0021] In addition, another object of the present invention is to provide a vehicle, on which the tailgate assembly as described above is provided.

[0022] The vehicle described in the utility model is provided with the tailgate assembly as described above, which is beneficial to improving assembly efficiency and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0024] Figure 1 This is a disassembled diagram of the back door assembly according to an embodiment of the utility model;

[0025] Figure 2 It is a front view of the back door assembly according to the embodiment of the utility model;

[0026] Figure 3 for Figure 3 AA direction section view;

[0027] Figure 4 It is a schematic diagram of the structure of the exterior trim panel and the taillight in the assembled state according to the embodiment of the utility model;

[0028] Figure 5 for Figure 4 Cross-section at the middle BB;

[0029] Figure 6 It is a schematic structural diagram of the exterior decorative panel described in an embodiment of the utility model at one viewing angle;

[0030] Figure 7 It is a structural schematic diagram of the exterior decorative panel described in the embodiment of the utility model from another viewing angle;

[0031] Figure 8 It is a schematic diagram of the structure of the exterior trim panel and the license plate light bracket in the assembled state according to the embodiment of the utility model;

[0032] Fig. 9 for Figure 8 The enlarged view of the C part in FIG.

[0033] Fig.10 It is a structural schematic diagram of the license plate light bracket described in an embodiment of the utility model.

[0034] Description of reference numerals:

[0035] 1. Back door sheet metal; 2. Tail lights; 3. Exterior trim; 4. License plate light bracket;

[0036] 201, first doghouse; 202, first buckle; 203, fourth doghouse; 204, limiting piece;

[0037] 301, connecting part; 3011, first positioning column; 3012, limiting protrusion; 3013, first through hole; 3014, limiting hole; 3015, second doghouse; 302, mounting frame; 3021, second positioning column; 3022, third buckle; 303, license plate light mounting port; 3031, convex strip;

[0038] 401, guide groove; 402, connection hole; 404, camera mounting hole; 405, license plate light through hole. DETAILED DESCRIPTION

[0039] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0040] In the description of the present invention, it should be noted that if there are terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc., they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if there are terms such as "first", "second", etc., they are also used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0041] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0042] This embodiment relates to a back door assembly, which comprises a back door sheet metal 1, a tail light 2 disposed on the back door sheet metal 1, and an exterior panel 3 located below the tail light 2. A connecting portion 301 is disposed on the top of the exterior panel 3, the connecting portion 301 is bent forward and extends upward to between the tail light 2 and the back door sheet metal 1, and the connecting portion 301 and the tail light 2 are connected to the back door sheet metal 1 through the same connecting piece.

[0043] The tailgate assembly of the present embodiment is provided with a connecting portion 301 located between the taillight 2 and the tailgate sheet metal 1 on the top of the exterior panel 3, and the connecting portion 301 and the taillight 2 are connected to the tailgate sheet metal 1 via the same connecting piece. This not only helps to improve the structural strength of the exterior panel 3, but also helps to reduce the number of openings on the tailgate sheet metal 1 and the number of parts, thereby facilitating the forming of the tailgate sheet metal 1, improving the assembly efficiency of the tailgate assembly, and reducing the production cost.

[0044] Based on the above overall introduction, an exemplary structure of the back door assembly in this embodiment is as follows: Figures 1 to 4 The taillight 2 may be a through-type taillight 2, which extends along the width direction of the rear door trim and extends to the left and right sides of the rear door sheet metal 1. The outer trim 3 is protruded toward the rear of the vehicle as a whole to cooperate with the lower part of the taillight 2 to achieve a higher decorative effect.

[0045] As a preferred example, Figure 2 and Figure 3 As shown in , the outer trim panel 3 extends in the left-right direction of the vehicle, and the connecting portion 301 is located in the middle of the length direction of the outer trim panel 3 and extends in the left-right direction of the vehicle. Here, the connecting portion 301 is located in the middle of the length direction of the outer trim panel 3, which is conducive to further improving the structural strength and connection firmness of the outer trim panel 3.

[0046] In order to achieve a better modeling result, the middle part of the outer panel 3 is in the shape of a long strip, and the bottoms of both ends extend downward respectively, so that the width of both ends of the outer panel 3 is larger. Of course, in the specific arrangement, the shape of the outer panel 3 can also be adjusted according to the use requirements. Among them, the weld line and weld mark on the appearance surface of the outer panel 3 can be drained to the connection part 301 or the non-appearance area on the outer panel 3 through process debugging, so as to improve the product appearance problems that cannot be solved by traditional injection molding process.

[0047] Specifically, if Figure 6 and Figure 7 As shown in the figure, the connecting portion 301 in this embodiment includes a first portion that is bent forward and located below the taillight 2, and a second portion that is connected to the first portion and extends upward to between the taillight 2 and the back door sheet metal 1. The taillight 2 and the second portion are connected to the back door sheet metal 1 through the same connecting piece. Here, the first portion and the second portion have a simple structure, are easy to process and form, and have a good use effect.

[0048] In this embodiment, two first doghouses 201 are arranged at intervals along the length direction of the taillight 2 in the middle part, and the connecting members are respectively arranged on each first doghouse 201. Corresponding to each first doghouse 201, a first through hole 3013 for each connecting member to pass through is arranged on the second part, and a first clamping hole is arranged on the back door sheet metal 1. The connecting member in this embodiment can be a first buckle 202. In this case, the first buckle 202 can be clamped with the first clamping hole after passing through the first through hole 3013, thereby realizing the connection between the connecting part 301, the taillight 2 and the back door sheet metal 1.

[0049] Here, the arrangement of the first doghouse 201, the first buckle 202, the first through hole 3013 and the first buckle hole is not only simple in structure, easy to process and form, but also has a good connection effect. Of course, in the specific implementation, in addition to the first buckle 202, the connecting piece can also adopt other structural forms as long as it meets the use requirements.

[0050] To further improve the connection strength between the connecting portion 301 and the back door sheet metal 1, as Figure 6 As shown in , the second part is also provided with a plurality of second doghouses 3015 arranged at intervals along the length direction, each second doghouse 3015 is provided with a second buckle, and the back door sheet metal 1 is provided with a second clamping hole for each second buckle to be clamped in. It can be understood that, since the connecting portion 301 and the taillight 2 are clamped with the back door sheet metal 1 through the same first buckle 202, compared with the traditional solution in which the connecting portion 301 and the taillight 2 do not share a connecting piece, the number of openings of the back door sheet metal 1 can be reduced, thereby facilitating the molding of the back door sheet metal 1 and reducing the number of parts.

[0051] As a preferred embodiment, a limiting portion is provided between the connecting portion 301 and the taillight 2, and the limiting portion is used to limit the displacement of the taillight 2 in the height direction of the back door sheet metal 1. Here, by providing a limiting portion to limit the displacement of the taillight 2 in the height direction of the back door sheet metal 1, it is beneficial to improve the matching effect between the taillight 2 and the connecting portion 301, and the installation accuracy of the taillight 2. The limiting hole 3014 and the limiting piece 204 have a simple structure and are easy to process and form, and the limiting effect of the two is good. In addition, the matching of the limiting piece 204 and the limiting hole 3014 is also beneficial to ensure the gap between the exterior panel 3 and the taillight 2.

[0052] Specifically, if Figures 4 to 6 As shown in , the limiting portion includes a limiting hole 3014 provided on the connecting portion 301, and a limiting piece 204 provided on the taillight 2, and the limiting piece 204 is inserted into the limiting hole 3014. In this embodiment, there are a plurality of limiting holes 3014 arranged at intervals along the length direction of the connecting portion 301, and there are a plurality of limiting pieces 204 arranged one by one corresponding to the limiting holes 3014. Among them, the limiting pieces 204 are all located below the first doghouse 201, which is conducive to further improving the connection reliability between the connecting portion 301 and the taillight 2. Of course, the number of limiting pieces 204 and limiting holes 3014 can also be adaptively increased or decreased according to the use requirements.

[0053] As a preferred embodiment, a first positioning portion is provided between the connecting portion 301 and the back door sheet metal 1, and the first positioning portion is used to position the connecting portion 301 on the back door sheet metal 1. Here, the connecting portion 301 is positioned on the back door sheet metal 1 by the first positioning portion, which is conducive to improving the positioning accuracy and efficiency of the exterior panel 3, thereby facilitating improving the installation efficiency and accuracy of the connecting portion 301.

[0054] Specifically, if Figure 6 As shown in the figure, the first positioning portion in this embodiment includes a first positioning column 3011 provided on the connecting portion 301, and a first positioning hole corresponding to the first positioning column 3011 and penetrating through the back door sheet metal 1. The first positioning column 3011 passes through the first positioning hole to simultaneously position the middle part of the tail lamp 2 and the connecting portion 301 on the back door sheet metal 1.

[0055] In addition, mounting frames 302 are respectively provided at both ends of the exterior panel 3, and a first connection portion is provided between each mounting frame 302 and the back door sheet metal 1, and the first connection portion is used to connect the mounting frame 302 and the back door sheet metal 1 together. Here, by providing the mounting frame 302, it is helpful to improve the light and shadow problem of the exterior panel 3, and it is also helpful to simplify the mold structure of the exterior panel 3, which is helpful to reduce the production cost. The first connection portion between the mounting frame 302 and the back door sheet metal 1 is helpful to improve the connection strength between the exterior panel 3 and the back door sheet metal 1.

[0056] In terms of detailed structure, Figure 6 and Figure 7 As shown in , each mounting frame 302 can be connected to both ends of the exterior panel 3 by bonding and / or welding. The first connecting portion includes a plurality of third doghouses provided on each mounting frame 302, and the connecting structure is a third buckle 3022 provided on the third doghouse. The back door sheet metal 1 is provided with a third clamping hole for each third buckle 3022 to be clamped in. In addition, in order to improve the connection efficiency between the mounting frame 302 and the back door. In this embodiment, a second positioning portion is provided between at least one of the mounting frames 302 and the back door sheet metal 1, and the second positioning portion is used to position the exterior panel 3 on the back door sheet metal 1. At least one end of the exterior panel 3 is positioned on the back door sheet metal 1 by the second positioning portion, which is conducive to improving the positioning effect of the exterior panel 3.

[0057] like Figure 6 As shown in , the second positioning part is respectively arranged between each mounting frame 302 and the back door sheet metal 1, and each second positioning part includes a second positioning column 3021 arranged on the mounting frame 302, and a second positioning hole arranged on the back door sheet metal 1 for the second positioning column 3021 to be inserted. In this embodiment, the first positioning column 3011 plays a main positioning effect, and the two second positioning columns 3021 play an auxiliary positioning effect, and the first positioning column 3011 and the two second positioning columns 3021 are arranged in a triangle, which is conducive to improving the positioning effect of the exterior panel 3 on the back door sheet metal 1 and the stability in the positioning state.

[0058] As a preferred embodiment, Figure 6 As shown in , the connection part 301 is provided with a limiting protrusion 3012, and the limiting protrusion 3012 protrudes toward one side of the back door sheet metal 1. The limiting protrusion 3012 abuts against the back door sheet metal 1 to limit the displacement of the connection part 301. The limiting protrusion 3012 on the connection part 301 abuts against the back door sheet metal 1, which is conducive to solving the problem of friction or collision noise during the driving process of the rear part of the vehicle, and at the same time, it is conducive to ensuring the appearance of the exterior panel 3 and the taillight 2. Furthermore, an elastic layer can be bonded on the limiting protrusion 3012 to further improve the NVH performance.

[0059] In the specific arrangement, the limiting protrusions 3012 are multiple and are arranged at the top of the connecting portion 301, and the multiple limiting protrusions 3012 are arranged at intervals along the length direction of the connecting portion 301. The cooperation of the multiple limiting protrusions 3012 is conducive to improving the abutment effect between the back door sheet metal 1, thereby further improving the installation effect of the exterior panel 3 on the back door sheet metal 1.

[0060] In this embodiment, a third positioning portion is provided between at least one end of the taillight 2 and the rear door sheet metal 1, and the third positioning portion is used to position the end of the taillight 2 on the rear door sheet metal 1. The third positioning portion is helpful to improve the positioning effect of the taillight 2 on the rear door sheet metal 1, thereby improving the installation efficiency of the taillight 2.

[0061] In specific implementation, the third positioning part is respectively arranged between the two ends of the taillight 2 and the back door sheet metal 1 to have a better positioning effect. The third positioning part includes a third positioning post arranged at the two ends of the taillight 2 and a third positioning hole arranged on the back door sheet metal 1 for the third positioning post to be inserted.

[0062] In addition, a second connection part is provided between both ends of the taillight 2 and the back door sheet metal 1, and the second connection part is used to connect the taillight 2 and the back door sheet metal 1 together. The second connection part is conducive to further improving the connection strength of the taillight 2 on the back door sheet metal 1. The second connection part includes a fourth doghouse 203 provided on the mounting frame 302, a fourth buckle provided on the fourth doghouse 203, and a fourth clamping hole provided on the back door sheet metal 1 for each fourth buckle to be clamped. In addition, in order to improve the connection strength between the taillight 2 and the exterior panel 3 and the back door sheet metal 1, other connection structures for strengthening the connection can also be added.

[0063] As a preferred embodiment, the tailgate assembly in this embodiment further includes a license plate light bracket 4 connected to the outer trim 3. A guide portion is provided between the license plate light bracket 4 and the outer trim 3, and the guide portion is used to guide the license plate light bracket 4 to a connection position with the outer trim 3. Here, the guide portion between the license plate light bracket 4 and the outer trim 3 is conducive to guiding the license plate light bracket 4 to the connection position, thereby facilitating the installation efficiency of the license plate light bracket 4.

[0064] In terms of detailed structure, Figures 7 to 9 As shown in , the bottom of the exterior panel 3 is provided with a license plate light installation opening 303 arranged opposite to the connection part 301, the opening of the license plate light installation opening 303 is arranged toward the front of the vehicle, and the guide part is used to guide the license plate light bracket 4 to move to the connection position in the installation opening. The guide part includes guide grooves 401 arranged at both ends of the license plate light bracket 4, and convex strips 3031 arranged on the license plate light bracket 4 for each guide groove 401 to slide into. Here, the structures of the guide grooves 401 and the convex strips 3031 are simple, and the sliding cooperation between the two has a good guiding effect.

[0065] In order to improve the connection strength between the license plate light bracket 4 and the exterior panel 3 at the connection position, a plurality of connection seats with threaded holes arranged at intervals are provided on the other side of the exterior panel 3 relative to the opening of the mounting hole, and the license plate light bracket 4 is provided with connection holes 402 arranged one-to-one with the connection seats, and the license plate light bracket 4 is fixed to the exterior panel 3 by bolts passing through the connection holes 402 and screwing with the corresponding threaded holes. When in the connection position, the connection holes 402 and the corresponding threaded holes are arranged one-to-one in alignment.

[0066] As a preferred embodiment, Fig.10As shown in , the license plate light is mounted on the license plate light bracket 4 through a connecting structure, and the license plate light bracket 4 is provided with a license plate light through hole 405 for exposing the license plate light, so as to facilitate the license plate light cover to illuminate the license plate located below the exterior panel 3. The license plate light bracket 4 is provided with at least one of a micro switch mounting hole and a camera mounting hole 404. For example, the license plate light bracket 4 is provided with a micro switch mounting hole and a camera mounting hole 404, which are used to install a micro switch and a rear surround camera, respectively. This is conducive to improving the structural utilization rate of the license plate light bracket 4 and improving the safety of the vehicle. Compared with the traditional structure, in this embodiment, by integrating the micro switch mounting hole and the camera mounting hole 404 on the license plate light bracket 4, the space utilization rate of the license plate light bracket 4 is increased to nearly 44%.

[0067] The back door assembly in this embodiment can make full use of the space in the front-to-back direction and the up-down direction of the vehicle by setting the connection part 301 on the outer panel 3, and connecting the connection part 301 and the taillight 2 to the back door sheet metal 1 through the same connection piece. The strength of the outer panel 3 can be improved in the limited space of the middle width of the outer panel 3 of only 28mm. At the same time, the back door assembly also solves the limitations of the traditional back door sheet metal 1 such as cracking and failure to form due to too many openings, and further solves the problem that the outer panel 3 and the taillight 2 cannot be installed due to the back door sheet metal 1 not providing installation points, so that the space utilization rate is improved by about 44%.

[0068] Compared with the traditional exterior panel 3 structure, the connection part 301 in this embodiment improves the maximum deformation of the exterior panel 3 in the left and right directions of the vehicle from 6.53mm in the traditional structure to 1.5mm, which is an improvement of 3.35 times, making a great contribution to the realization of the rear styling style and the achievement of the rear DTS of the vehicle.

[0069] In addition, in this embodiment, the connecting part 301 and the taillight 2 share the connecting parts, which can save nearly 50% of the bolts, and the plastic buckle usage rate accounts for 77% of the total installation points. In this embodiment, the scheme that the exterior panel 3 can be installed on the back door sheet metal 1 in the front and rear directions of the whole vehicle is conducive to reducing the number of openings on the back door sheet metal 1, thereby helping to reduce the stamping process of the back door sheet metal 1, and realizing the VAVE (abbreviation of Value Analysis Value Engineering) of the rear part of the whole vehicle by improving the production cycle and optimizing the installation and fastening method.

[0070] When assembling the back door assembly in this embodiment, firstly, the first positioning column 3011 on the connecting part 301 is inserted into the first positioning hole, and the two second positioning columns 3021 are inserted into the corresponding second positioning holes, so as to pre-install the outer trim panel 3 onto the back door sheet metal 1. Then, in the front-to-back direction of the vehicle, the buckles on the outer trim panel 3 are connected to the corresponding holes. Then, the third positioning column is inserted into the third positioning hole to position the tail lamp 2, and then the buckles on the tail lamp 2 passing through the connecting part 301 are connected to the holes on the back door sheet metal 1, and then the buckles at other positions of the tail lamp 2 are connected to the holes on the back door sheet metal 1, so as to complete the assembly of the tail lamp 2.

[0071] In this embodiment, by optimizing the structure of the tailgate assembly, a perfect combination of engineering and styling is achieved within a limited space, adapting to current trends in the automotive industry and providing more room for play and imagination for the rear exterior styling.

[0072] In addition, the present embodiment also relates to a vehicle, on which the tailgate assembly as described above is provided.

[0073] The vehicle of this embodiment is provided with the tailgate assembly as described above, which is beneficial to improving assembly efficiency and reducing production costs. The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A back door assembly, characterized in that: It comprises a rear door sheet metal (1), a tail light (2) arranged on the rear door sheet metal (1), and an exterior decorative panel (3) located below the tail light (2); A connecting portion (301) is provided at the top of the exterior panel (3), the connecting portion (301) is bent forward and extends upward to between the taillight (2) and the rear door sheet metal (1), and the connecting portion (301) and the taillight (2) are connected to the rear door sheet metal (1) via the same connecting piece.

2. The back door assembly according to claim 1, characterized in that: A limiting portion is provided between the connecting portion (301) and the taillight (2), the limiting portion being used to limit the displacement of the taillight (2) in the height direction of the rear door sheet metal (1); and / or, A first positioning portion is provided between the connecting portion (301) and the rear door sheet metal (1), and the first positioning portion is used to position the connecting portion (301) on the rear door sheet metal (1).

3. The back door assembly according to claim 2, characterized in that: The limiting portion comprises a limiting hole (3014) provided on the connecting portion (301), and a limiting piece (204) provided on the tail light (2), wherein the limiting piece (204) is inserted into the limiting hole (3014).

4. The back door assembly according to claim 1, characterized in that: Mounting frames (302) are respectively provided at both ends of the exterior trim panel (3), and a first connecting portion is provided between each mounting frame (302) and the rear door sheet metal (1), the first connecting portion being used to connect the mounting frame (302) and the rear door sheet metal (1) together; A second positioning portion is provided between at least one of the mounting frames (302) and the rear door sheet metal (1), and the second positioning portion is used to position the exterior trim panel (3) on the rear door sheet metal (1).

5. The back door assembly according to claim 4, characterized in that: The first connection portion comprises a doghouse provided on the mounting frame (302), and a connection structure provided on the doghouse and detachably connected to the back door sheet metal (1); and / or, The second positioning portion comprises a positioning column arranged on the mounting frame (302), and a positioning hole arranged on the back door sheet metal (1) for the positioning column to be inserted into.

6. The back door assembly according to claim 1, characterized in that: The exterior panel (3) is arranged to extend in the left-right direction of the whole vehicle, and the connecting portion (301) is located in the middle of the length direction of the exterior panel (3) and extends in the left-right direction of the whole vehicle; and / or, The connection part (301) is provided with a limiting protrusion (3012), and the limiting protrusion (3012) protrudes toward one side of the rear door sheet metal (1); the limiting protrusion (3012) abuts against the rear door sheet metal (1) to limit the displacement of the connection part (301).

7. The back door assembly according to claim 1, characterized in that: A third positioning portion is provided between at least one end of the taillight (2) and the rear door sheet metal (1), and the third positioning portion is used to position the end of the taillight (2) on the rear door sheet metal (1); and / or, A second connection portion is provided between both ends of the taillight (2) and the rear door sheet metal (1), and the second connection portion is used to connect the taillight (2) and the rear door sheet metal (1) together.

8. The tailgate assembly according to any one of claims 1 to 7, characterized in that: It also includes a license plate light bracket (4) connected to the exterior trim panel (3); A guide portion is provided between the license plate light bracket (4) and the exterior panel (3), and the guide portion is used to guide the license plate light bracket (4) to a connection position with the exterior panel (3).

9. The back door assembly according to claim 8, characterized in that: The guide portion comprises guide grooves (401) provided at both ends of the license plate light bracket (4), and convex strips (3031) provided on the license plate light bracket (4) for each of the guide grooves (401) to slide into; and / or, The license plate light bracket (4) is provided with at least one of a micro switch mounting hole and a camera mounting hole (404).

10. A vehicle, characterized in that: The vehicle is provided with a tailgate assembly according to any one of claims 1 to 9.

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