Automobile back door frame assembly and automobile

Abstract

The application discloses a kind of automobile back door frame assembly and automobile, it is related to automobile manufacturing technical field, the automobile back door frame assembly includes: roof rear crossbeam and rear wall assembly, rear wall assembly is oppositely spaced apart with roof rear crossbeam;Left D column component part is used to be connected with back door stop and door lock, and left D column component upper end is connected with roof rear crossbeam, lower end is connected with rear wall assembly;Right D column component, hinge mounting portion is arranged on it, and the upper and lower ends of right D column component are connected with roof rear crossbeam and rear wall assembly respectively, to make roof rear crossbeam, rear wall assembly, left D column component and right D column component form a closed loop structure.The hinge mounting portion is connected with D column structure in the application, and left and right D column structure of back door frame assembly is connected with roof rear crossbeam and rear wall assembly into closed loop structure, to share the weight of back door on left and right D column structure with roof rear crossbeam and rear wall assembly, increase the rigidity of hinge mounting portion area, to prevent door frame deformation.

Description

Technical Field

[0001] This invention relates to the field of automobile manufacturing technology, specifically to an automobile rear door frame assembly and an automobile. Background Technology

[0002] Currently, side-opening tailgate structures are increasingly being used in off-road vehicles. Tailgates with a side-opening design typically use a combination of hinges and latches to open and close the tailgate, which leads to differences in the design of the left and right D-pillars. In related technologies, the hinges and latches are connected to the left and right rear light housings respectively.

[0003] However, in the development of off-road vehicles, the vehicle needs to carry a full-size off-road spare tire. But there's often no extra space in the trunk or under the vehicle to install a spare tire. In this case, the spare tire needs to be mounted on the tailgate. Furthermore, to meet the needs of customers for off-road adventures or city outings, the tailgate needs to be able to carry the spare tire or a small backpack-style storage box at any time. Side-opening tailgates, due to the spare tire, have a relatively large assembly weight, and this weight is mainly borne by the tailgate hinges and latches. This results in insufficient rigidity in the existing side-opening tailgate latches and hinges, which can easily lead to tailgate sagging over time, causing slight deformation of the door frame, tailgate wobbling, and abnormal noises from the sealing strip and the latch. These problems reduce the customer's driving experience and affect the vehicle's quality. Summary of the Invention

[0004] To address the technical problem in existing technologies where insufficient rigidity of the side-opening tailgate latch position and tailgate hinge as the main load-bearing components leads to tailgate sagging, resulting in slight deformation of the door frame and tailgate wobbling, this application provides an automotive tailgate frame assembly, comprising:

[0005] Rear crossbeam of the roof;

[0006] The rear enclosure assembly is spaced apart from the rear crossbeam of the top cover;

[0007] The left D-pillar assembly is partially connected to the rear door stop and door lock, and the upper end of the left D-pillar assembly is connected to the rear crossbeam of the roof, and the lower end is connected to the rear enclosure assembly.

[0008] The right D-pillar assembly has a hinge mounting part. The upper and lower ends of the right D-pillar assembly are respectively connected to the rear crossbeam of the roof and the rear enclosure assembly, so that the rear crossbeam of the roof, the rear enclosure assembly, the left D-pillar assembly and the right D-pillar assembly form a closed loop structure.

[0009] In some embodiments, the right D-pillar assembly includes:

[0010] The main body of the right D-pillar is connected at its upper and lower ends to the rear crossbeam of the roof and the rear enclosure assembly, respectively.

[0011] The right lamp holder plate has the hinge mounting part embedded therein. The hinge mounting part includes an upper hinge mounting plate and a lower hinge mounting plate. The upper hinge mounting plate and the lower hinge mounting plate are arranged vertically and vertically at intervals on the inner side of the right lamp holder plate, and both the upper hinge mounting plate and the lower hinge mounting plate are connected to the main body of the right D-pillar.

[0012] In some embodiments, the right D-pillar body flange is connected to the right lamp holder plate to form a first cavity, and the upper hinge mounting plate and the lower hinge mounting plate are embedded in the first cavity.

[0013] In some embodiments, the right D-pillar body includes:

[0014] Right D-pillar inner corner panel;

[0015] The right D-pillar reinforcement plate is connected to the side of both the upper hinge mounting plate and the lower hinge mounting plate.

[0016] The right D-pillar inner support plate is connected to the right D-pillar inner panel corner plate, and the right D-pillar inner support plate extends toward the right lamp holder plate, so that the right D-pillar inner panel corner plate, the right D-pillar reinforcing plate, the right D-pillar inner support plate and the right lamp holder plate form a cavity structure;

[0017] The lower support plate of the right D-pillar is connected to the corner plate of the inner panel of the right D-pillar, and the lower support plate of the right D-pillar extends towards the right lamp holder plate, so that the corner plate of the inner panel of the right D-pillar, the right D-pillar reinforcing plate, the lower support plate of the right D-pillar and the right lamp holder plate form a cavity structure.

[0018] In some embodiments, the left D-pillar assembly includes:

[0019] The main body of the left D-pillar is connected at its upper end to the rear crossbeam of the roof and at its lower end to the rear bulkhead assembly.

[0020] The left rear light fixture plate is connected to the main body of the left D-pillar;

[0021] The left rear lamp holder connecting plate is used to connect to the door lock. The left rear lamp holder connecting plate is connected to the left rear lamp holder plate through a locking reinforcement plate.

[0022] In some embodiments, the left D-pillar assembly further includes:

[0023] The limiter mounting plate is embedded in the left rear lamp holder connecting plate so that the limiter mounting plate, the locking reinforcement plate and the left rear lamp holder connecting plate form a cavity structure.

[0024] In some embodiments, the bottom of both the left rear lamp holder connecting plate and the latch reinforcement plate is designed as a slope.

[0025] In some embodiments, the left D-pillar body includes:

[0026] The left D-pillar reinforcement plate is connected to the side of the left rear lamp holder plate;

[0027] The left D-pillar support plate is assembled at the bottom of the left D-pillar reinforcement plate, and the left D-pillar reinforcement plate abuts against the lower end of the left rear lamp base plate and the latch reinforcement plate.

[0028] In some embodiments, the flange of the left rear lamp holder connecting plate is used to connect with the tailgate stop, and the left rear lamp holder plate is connected to the side panel of the vehicle.

[0029] On the other hand, this application provides a vehicle comprising: a vehicle rear door frame assembly as described in any of the preceding claims.

[0030] Compared with the prior art, the present invention connects the hinge mounting part to the D-pillar structure and connects the left and right D-pillar structures of the rear door frame assembly with the top cover rear crossbeam and rear enclosure assembly to form a closed loop structure, so as to distribute the weight of the rear door on the left and right D-pillar structures, the top cover rear crossbeam and rear enclosure assembly, increasing the rigidity of the hinge mounting part area, thereby preventing door frame deformation and reducing the shaking of the rear door. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the rear door frame assembly in an embodiment of the present invention;

[0033] Figure 2 For the present invention Figure 1 A cross-sectional view from the perspective of the middle AA (analogous to ...

[0034] Figure 3 For the present invention Figure 1 A cross-sectional view from the perspective of the middle BB (Black-Body) section;

[0035] Figure 4 For the present invention Figure 1 A cross-sectional view from a mid-CC perspective.

[0036] In the diagram: 1. Left D-pillar assembly; 11. Left D-pillar main body; 111. Left D-pillar reinforcing plate; 112. Left D-pillar support plate; 12. Left rear lamp holder plate; 13. Left rear lamp holder connecting plate; 131. First inclined structure; 14. Locking reinforcing plate; 141. Second inclined structure; 2. Rear crossbeam of the roof; 3. Rear bulkhead assembly; 4. Right D-pillar assembly; 41. Hinge mounting part; 411. Upper hinge mounting plate; 412. Lower hinge mounting plate; 42. Right lamp holder plate; 43. Right D-pillar main body; 431. Right D-pillar inner corner plate; 432. Right D-pillar inner support plate; 433. Right D-pillar lower support plate; 434. Right D-pillar reinforcing plate; 435. Right D-pillar reinforcing plate. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0038] The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Addressing the technical problems in related technologies where insufficient rigidity of the side-opening tailgate latch position and tailgate hinge as the main load-bearing component leads to tailgate sagging, resulting in slight deformation of the door frame and tailgate wobbling, this application provides an automotive tailgate frame assembly, comprising: a roof rear crossbeam 2, a rear panel assembly 3, a left D-pillar assembly 1, and a right D-pillar assembly 4; wherein...

[0039] The rear enclosure assembly 3 is spaced apart from the rear crossbeam 2 of the top cover; the left D-pillar assembly 1 is partially connected to the rear door stop and the door lock, and the upper end of the left D-pillar assembly 1 is connected to the rear crossbeam 2 of the top cover, and the lower end is connected to the rear enclosure assembly 3; the right D-pillar assembly 4 is provided with a hinge mounting part 41, and the upper and lower ends of the right D-pillar assembly 4 are respectively connected to the rear crossbeam 2 of the top cover and the rear enclosure assembly 3, so that the rear crossbeam 2 of the top cover, the rear enclosure assembly 3, the left D-pillar assembly 1 and the right D-pillar assembly 4 form a closed loop structure.

[0040] It is worth noting that in this application, the hinge mounting part 41 is connected to the right D-pillar assembly 4. By using the right D-pillar assembly 4 to share the Z-direction force on the hinge mounting part 41, the hinge's limit for withstanding the weight of the rear door is enhanced. Furthermore, this application forms a closed-loop structure with the top cover rear crossbeam 2, rear enclosure assembly 3, left D-pillar assembly 1, and right D-pillar assembly 4. This closed-loop structure further strengthens the hinge's load-bearing limit by sharing the force on the hinge mounting part 41.

[0041] Preferably, the left D-pillar assembly 1 includes: a left D-pillar body 11, a left rear lamp holder plate 12, and a left rear lamp holder connecting plate 13; wherein,

[0042] The left D-pillar body 11 is connected at its upper end to the rear crossbeam 2 of the roof and at its lower end to the rear enclosure assembly 3; the left rear lamp holder plate 12 is connected to the left D-pillar body 11; the left rear lamp holder connecting plate 13 is used to connect to the door lock, and the left rear lamp holder connecting plate 13 is connected to the left rear lamp holder plate 12 through the locking reinforcement plate 14.

[0043] Meanwhile, preferably, such as Figure 1 and Figure 4 As shown, the left D-pillar assembly 1 further includes: a limiter mounting plate embedded in the left rear lamp holder connecting plate 13, so that the limiter mounting plate, the latch reinforcement plate 14 and the left rear lamp holder connecting plate 13 form a cavity structure.

[0044] In this way, the left rear lamp holder plate 12 and the left rear lamp holder connecting plate 13 in this application adopt a segmented design, and the two are connected by a locking reinforcement plate 14. The segmented design of the left rear lamp holder plate 12 and the left rear lamp holder connecting plate 13 not only ensures the feasibility of the molding process, but also forms a cavity structure with the locking reinforcement plate and the limiter mounting plate to ensure the installation strength of the lock. It also increases the X-direction distance of the D-pillar, expanding the interior space.

[0045] Preferably, such as Figure 1 As shown, the bottom of the left rear lamp holder connecting plate 13 is a first inclined surface structure 131, and the bottom of the locking reinforcing plate 14 is a second inclined surface structure 141. This design facilitates molding in the manufacturing process and enhances the strength of this part.

[0046] Further, the left D-pillar body 11 includes: a left D-pillar reinforcing plate 111 and a left D-pillar support plate 112; wherein,

[0047] The left D-pillar reinforcing plate 111 is connected to the side of the left rear lamp holder plate 12; the left D-pillar support plate 112 is assembled at the bottom of the left D-pillar reinforcing plate 111, and the left D-pillar reinforcing plate 111 abuts against the lower end of the left rear lamp holder plate 12 and the locking reinforcing plate 14 to share the Z-direction force on the locking reinforcing plate 14.

[0048] In some preferred embodiments, in order to ensure the sealing performance of the rear door frame, the flange of the left rear lamp holder connecting plate 13 is used to connect with the rear door stop, and the left rear lamp holder plate 12 is connected with the side panel of the vehicle.

[0049] In some specific embodiments, such as Figure 1 , Figure 2 and Figure 3As shown, the right D-pillar assembly 4 includes: a right D-pillar body 43 and a right lamp holder plate 42; wherein,

[0050] The right D-pillar body 43 is connected at its upper and lower ends to the rear crossbeam 2 of the roof and the rear enclosure assembly 3, respectively. The right lamp holder plate 42 has a hinge mounting portion 41 embedded within it. The hinge mounting portion 41 includes an upper hinge mounting plate 411 and a lower hinge mounting plate 412, which are spaced vertically apart on the inner side of the right lamp holder plate 42. Both the upper hinge mounting plate 411 and the lower hinge mounting plate 412 are connected to the right D-pillar body 43.

[0051] Specifically, the right D-pillar body 43 includes: a right D-pillar inner corner plate 431, a right D-pillar reinforcing plate 434, a right D-pillar strengthening plate 435, a right D-pillar inner support plate 432, and a right D-pillar lower support plate 433; wherein...

[0052] The right D-pillar reinforcing plate 434 is connected to the sides of both the upper hinge mounting plate 411 and the lower hinge mounting plate 412. The right D-pillar inner support plate 432 is connected to the right D-pillar inner panel corner plate 431 and extends towards the right lamp holder plate 42, forming a cavity structure with the right D-pillar inner panel corner plate 431, the right D-pillar reinforcing plate 434, the right D-pillar inner support plate 432, and the right lamp holder plate 42. The right D-pillar lower support plate 433 is connected to the right D-pillar inner panel corner plate 431 and extends towards the right lamp holder plate 42, forming a cavity structure with the right D-pillar inner panel corner plate 431, the right D-pillar reinforcing plate 434, the right D-pillar lower support plate 433, and the right lamp holder plate 42.

[0053] Understandably, the right D-pillar body 43 integrates the upper hinge mounting plate 411 and the lower hinge mounting plate 412, which are spaced apart vertically. The upper hinge mounting plate 411 and the lower hinge mounting plate 412 are embedded in the right lamp holder plate 42. Furthermore, the connection of the right D-pillar reinforcing plate 434 integrates the upper hinge mounting plate 411, the lower hinge mounting plate 412, the right D-pillar reinforcing plate 434, and the right lamp holder plate 42 into a single unit. This significantly alleviates the problem of tailgate sagging, and the structure is relatively simple and easy to form. It also facilitates the subsequent application of the D-pillar trim panel, resulting in a vertical, sharp-edged, and aesthetically pleasing appearance.

[0054] On the other hand, this application provides a car, comprising: a rear door frame assembly, which includes: a roof rear crossbeam 2, a rear bulkhead assembly 3, a left D-pillar assembly 1, and a right D-pillar assembly 4; wherein,

[0055] The rear enclosure assembly 3 is spaced apart from the rear crossbeam 2 of the top cover; the left D-pillar assembly 1 is partially connected to the rear door stop and the door lock, and the upper end of the left D-pillar assembly 1 is connected to the rear crossbeam 2 of the top cover, and the lower end is connected to the rear enclosure assembly 3; the right D-pillar assembly 4 is provided with a hinge mounting part 41, and the upper and lower ends of the right D-pillar assembly 4 are respectively connected to the rear crossbeam 2 of the top cover and the rear enclosure assembly 3, so that the rear crossbeam 2 of the top cover, the rear enclosure assembly 3, the left D-pillar assembly 1 and the right D-pillar assembly 4 form a closed loop structure.

[0056] It is worth noting that in this application, the hinge mounting part 41 is connected to the right D-pillar assembly 4. By using the right D-pillar assembly 4 to share the Z-direction force on the hinge mounting part 41, the hinge's limit for withstanding the weight of the rear door is enhanced. Furthermore, this application forms a closed-loop structure with the top cover rear crossbeam 2, rear enclosure assembly 3, left D-pillar assembly 1, and right D-pillar assembly 4. This closed-loop structure further strengthens the hinge's load-bearing limit by sharing the force on the hinge mounting part 41.

[0057] Preferably, the left D-pillar assembly 1 includes: a left D-pillar body 11, a left rear lamp holder plate 12, and a left rear lamp holder connecting plate 13; wherein,

[0058] The left D-pillar body 11 is connected at its upper end to the rear crossbeam 2 of the roof and at its lower end to the rear enclosure assembly 3; the left rear lamp holder plate 12 is connected to the left D-pillar body 11; the left rear lamp holder connecting plate 13 is used to connect to the door lock, and the left rear lamp holder connecting plate 13 is connected to the left rear lamp holder plate 12 through the locking reinforcement plate 14.

[0059] Meanwhile, preferably, such as Figure 1 and Figure 4 As shown, the left D-pillar assembly 1 further includes: a limiter mounting plate embedded in the left rear lamp holder connecting plate 13, so that the limiter mounting plate, the latch reinforcement plate 14 and the left rear lamp holder connecting plate 13 form a cavity structure.

[0060] In this way, the left rear lamp holder plate 12 and the left rear lamp holder connecting plate 13 in this application adopt a segmented design, and the two are connected by a locking reinforcement plate 14. The segmented design of the left rear lamp holder plate 12 and the left rear lamp holder connecting plate 13 not only ensures the feasibility of the molding process, but also forms a cavity structure with the locking reinforcement plate and the limiter mounting plate to ensure the installation strength of the lock. In addition,

[0061] Preferably, such as Figure 1 As shown, the bottom of the left rear lamp holder connecting plate 13 is a first inclined surface structure 131, and the bottom of the locking reinforcing plate 14 is a second inclined surface structure 141. This design facilitates molding during manufacturing and enhances the strength of this part. The left rear lamp holder connecting plate 13, as shown... Figure 1As shown, the vertical design enhances its ability to withstand Z-axis forces while increasing the X-axis distance of the D-pillar, expanding the interior space and increasing the installation precision of the latches.

[0062] Further, the left D-pillar body 11 includes: a left D-pillar reinforcing plate 111 and a left D-pillar support plate 112; wherein,

[0063] The left D-pillar reinforcing plate 111 is connected to the side of the left rear lamp holder plate 12; the left D-pillar support plate 112 is assembled at the bottom of the left D-pillar reinforcing plate 111, and the left D-pillar reinforcing plate 111 abuts against the lower end of the left rear lamp holder plate 12 and the locking reinforcing plate 14 to share the Z-direction force on the locking reinforcing plate 14.

[0064] In some preferred embodiments, in order to ensure the sealing performance of the rear door frame, the flange of the left rear lamp holder connecting plate 13 is used to connect with the rear door stop, and the left rear lamp holder plate 12 is connected with the side panel of the vehicle.

[0065] In some specific embodiments, such as Figure 1 , Figure 2 and Figure 3 As shown, the right D-pillar assembly 4 includes: a right D-pillar body 43 and a right lamp holder plate 42; wherein,

[0066] The right D-pillar body 43 is connected at its upper and lower ends to the rear crossbeam 2 of the roof and the rear enclosure assembly 3, respectively. The right lamp holder plate 42 has a hinge mounting portion 41 embedded within it. The hinge mounting portion 41 includes an upper hinge mounting plate 411 and a lower hinge mounting plate 412, which are spaced vertically apart on the inner side of the right lamp holder plate 42. Both the upper hinge mounting plate 411 and the lower hinge mounting plate 412 are connected to the right D-pillar body 43.

[0067] Specifically, the right D-pillar body 43 includes: a right D-pillar inner corner plate 431, a right D-pillar reinforcing plate 434, a right D-pillar inner support plate 432, and a right D-pillar lower support plate 433; wherein...

[0068] The right D-pillar reinforcing plate 434 is connected to the sides of both the upper hinge mounting plate 411 and the lower hinge mounting plate 412. The right D-pillar inner support plate 432 is connected to the right D-pillar inner panel corner plate 431 and extends towards the right lamp holder plate 42, forming a cavity structure with the right D-pillar inner panel corner plate 431, the right D-pillar reinforcing plate 434, the right D-pillar inner support plate 432, and the right lamp holder plate 42. The right D-pillar lower support plate 433 is connected to the right D-pillar inner panel corner plate 431 and extends towards the right lamp holder plate 42, forming a cavity structure with the right D-pillar inner panel corner plate 431, the right D-pillar reinforcing plate 434, the right D-pillar strengthening plate 435, the right D-pillar lower support plate 433, and the right lamp holder plate 42.

[0069] Understandably, the right D-pillar body 43 integrates the upper hinge mounting plate 411 and the lower hinge mounting plate 412, which are spaced apart vertically. The upper hinge mounting plate 411 and the lower hinge mounting plate 412 are embedded in the right lamp holder plate 42. Furthermore, the connection of the right D-pillar reinforcing plate 434 integrates the upper hinge mounting plate 411, the lower hinge mounting plate 412, the right D-pillar reinforcing plate 434, and the right lamp holder plate 42 into a single unit. This significantly alleviates the problem of tailgate sagging, and the structure is relatively simple and easy to form. It also facilitates the subsequent application of the D-pillar trim panel, resulting in a vertical, sharp-edged, and aesthetically pleasing appearance.

[0070] Preferably, the aforementioned D-pillar structure is formed by stamping, and the connection between each component is welded. The internal nut plate is connected to the door lock mounting plate by welding, and the nut plate is connected to the door lock by screwing.

[0071] Furthermore, this application provides a method for manufacturing a rear door frame assembly, which includes the following steps:

[0072] Step S1: Weld the mounting surface of the nut plate to the mounting surface of the left rear door latch reinforcement plate 14 by spot welding to form an assembly.

[0073] Step S2: Weld the upper flange of the left rear lamp holder connecting plate 13 to the flange welding surface of the left rear tailgate latch reinforcing plate 14 by spot welding to form an assembly. Weld the upper flange of the left rear lamp holder connecting plate 13 to the flange welding surface of the tailgate limiter mounting reinforcing plate by spot welding to form an assembly.

[0074] Step S3: Weld the inner overlapping surface of the left rear lamp holder plate 12 to the outer overlapping surface of the left rear lamp holder connecting plate 13 by spot welding to form an assembly.

[0075] Step S4: Weld the upper flange of the rear door latch reinforcement plate 14 to the inner flange of the left rear lamp holder connecting plate 13 by spot welding to form an assembly. Finally, weld all the parts together to form a large assembly.

[0076] Step S5: Weld the lower edge of the hinge mounting plate 411 on the rear door to the large mounting surface of the right lamp holder plate 42 by spot welding to form an assembly. Make welding through holes on the large surface of the right D-pillar reinforcing plate 434.

[0077] Step S6: The lower flange of the lower hinge mounting plate 412 of the rear door is spot welded to the large mounting surface of the right lamp holder plate 42 to form an assembly. The large surface of the right D-pillar reinforcing plate 434 is notched to avoid the welding gun.

[0078] Step S7: Weld the flanged mounting surface of the right D-pillar reinforcing plate 434 to the large mounting surface of the right lamp holder plate 42 by spot welding to form a large assembly.

[0079] In summary, this invention connects the hinge mounting part to the D-pillar structure and connects the left and right D-pillar structures of the rear door frame assembly with the rear crossbeam of the top cover and the rear enclosure assembly to form a closed loop structure. This distributes the weight of the rear door across the left and right D-pillar structures, the rear crossbeam of the top cover, and the rear enclosure assembly, increasing the rigidity of the hinge mounting part area, thereby preventing door frame deformation and reducing rear door swaying.

[0080] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0081] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0082] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A car rear door frame assembly, characterized in that, include: Rear crossbeam of the top cover (2); The rear enclosure assembly (3) is spaced apart from the rear crossbeam (2) of the top cover; The left D-pillar assembly (1) is partially connected to the rear door stop and door lock, and the upper end of the left D-pillar assembly (1) is connected to the rear crossbeam (2) of the top cover, and the lower end is connected to the rear enclosure assembly (3). The right D-pillar assembly (4) is provided with a hinge mounting part (41). The upper and lower ends of the right D-pillar assembly (4) are connected to the rear crossbeam of the top cover (2) and the rear enclosure assembly (3) respectively, so that the rear crossbeam of the top cover (2), the rear enclosure assembly (3), the left D-pillar assembly (1) and the right D-pillar assembly (4) form a closed loop structure. The right D-pillar assembly (4) includes: The main body of the right D column (43) is connected at its upper and lower ends to the rear crossbeam of the top cover (2) and the rear enclosure assembly (3), respectively. The right lamp holder plate (42) is embedded with the hinge mounting part (41). The hinge mounting part (41) includes an upper hinge mounting plate (411) and a lower hinge mounting plate (412). The upper hinge mounting plate (411) and the lower hinge mounting plate (412) are arranged vertically and vertically on the inner side of the right lamp holder plate (42), and both the upper hinge mounting plate (411) and the lower hinge mounting plate (412) are connected to the right D-pillar body (43). The right D-pillar body (43) includes a right D-pillar reinforcing plate (434), which is connected to the sides of the upper hinge mounting plate (411) and the lower hinge mounting plate (412). The left D-pillar assembly (1) includes: The main body of the left D-pillar (11) is connected at its upper end to the rear crossbeam (2) of the roof and at its lower end to the rear enclosure assembly (3); The left rear light base plate (12) is connected to the left D-pillar body (11); The left rear lamp holder connecting plate (13) is used to connect to the door lock. The left rear lamp holder connecting plate (13) is connected to the left rear lamp holder plate (12) through the latch reinforcement plate (14).

2. The automotive rear door frame assembly as described in claim 1, characterized in that, The right D-pillar body (43) is connected to the right lamp holder plate (42) to form a first cavity, and the upper hinge mounting plate (411) and the lower hinge mounting plate (412) are embedded in the first cavity.

3. The automotive rear door frame assembly as described in claim 1, characterized in that, The main body of the right D-pillar (43) also includes: Right D-pillar inner corner plate (431); The right D-pillar inner support plate (432) is connected to the right D-pillar inner panel corner plate (431), and the right D-pillar inner support plate (432) extends toward the right lamp holder plate (42) so that the right D-pillar inner panel corner plate (431), the right D-pillar reinforcing plate (434), the right D-pillar inner support plate (432) and the right lamp holder plate (42) form a cavity structure; The right D-pillar lower support plate (433) is connected to the right D-pillar inner plate corner plate (431), and the right D-pillar lower support plate (433) extends toward the right lamp holder plate (42) so that the right D-pillar inner plate corner plate (431), the right D-pillar reinforcing plate (434), the right D-pillar lower support plate (433) and the right lamp holder plate (42) form a cavity structure.

4. The automotive rear door frame assembly as described in claim 1, characterized in that, The left D-pillar assembly (1) also includes: The limiter mounting plate is embedded in the left rear lamp holder connecting plate (13) so that the limiter mounting plate, the locking reinforcement plate (14) and the left rear lamp holder connecting plate (13) form a cavity structure.

5. The automotive rear door frame assembly as described in claim 4, characterized in that, The bottom of both the left rear lamp holder connecting plate (13) and the latch reinforcement plate (14) are sloped.

6. The automotive rear door frame assembly as described in claim 1, characterized in that, The main body (11) of the left D-pillar includes: The left D-pillar reinforcing plate (111) is connected to the side of the left rear lamp holder plate (12); The left D-pillar support plate (112) is assembled at the bottom of the left D-pillar reinforcing plate (111), and the left D-pillar reinforcing plate (111) abuts against the lower end of the left rear lamp holder plate (12) and the latch reinforcing plate (14).

7. The automotive rear door frame assembly as described in claim 1, characterized in that, The flange of the left rear lamp holder connecting plate (13) is used to connect with the tailgate stop, and the left rear lamp holder plate (12) is connected with the side panel of the vehicle.

8. A car, characterized in that, include: The vehicle rear door frame assembly as described in any one of claims 1-7.

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