SUV side-opening tailgate upper section structure, manufacturing method, tailgate assembly and vehicle

Abstract

This invention discloses an upper section structure for a side-opening rear tailgate of an SUV. The upper section structure is a closed-loop structure formed by connecting a first upper sub-assembly, a second upper sub-assembly, an upper tailgate body, and a reinforcing plate in the tailgate window frame. The upper tailgate body and the reinforcing plate in the tailgate window frame are located between and connected to the first and second upper sub-assemblies, and are arranged opposite to each other. This invention's closed-loop upper section structure for a side-opening rear tailgate improves the overall strength and rigidity of the product. This invention also discloses a manufacturing method for the upper section structure of the side-opening rear tailgate, a tailgate assembly, and a vehicle.

Description

Technical Field

[0001] This invention belongs to the field of automotive technology. Specifically, this invention relates to an upper section structure of a side-opening tailgate for an SUV, a manufacturing method, a tailgate assembly, and the vehicle itself. Background Technology

[0002] In existing SUVs with side-opening tailgates, the tailgate is generally designed as a one-piece inner and outer panel structure. Traditional tailgates are stamped using stamping dies. Due to limitations in the stamping process, the required cross-section of the product cavity is relatively large, which fails to meet the requirements for rear visibility.

[0003] Currently, existing SUV technology with side-opening tailgates has the following shortcomings:

[0004] 1. The side-opening tailgate of SUVs is a one-piece structure, which has a complex molding process and is heavy, thus failing to meet the requirements for lightweighting.

[0005] 2. The integrated rear door structure has relatively poor strength and rigidity, and its structural stability needs to be improved.

[0006] The aim is to provide an improved upper structure for the side-opening tailgate of an SUV, particularly regarding improved structural stability and weight reduction. Summary of the Invention

[0007] This invention aims to at least solve one of the technical problems existing in the prior art. To this end, this invention provides an upper section structure for a side-opening rear tailgate of an SUV, with the purpose of improving structural strength and rigidity.

[0008] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: an upper section structure of a side-opening rear tailgate for SUV vehicles. The upper section structure of the side-opening rear tailgate for SUV vehicles is a closed ring structure formed by connecting a first upper section sub-assembly, a second upper section sub-assembly, an upper section body of the tailgate, and a reinforcing plate in the rear tailgate window frame. The upper section body of the tailgate and the reinforcing plate in the rear tailgate window frame are located between the first upper section sub-assembly and the second upper section sub-assembly and are connected to the first upper section sub-assembly and the second upper section sub-assembly. The upper section body of the tailgate and the reinforcing plate in the rear tailgate window frame are arranged opposite to each other.

[0009] The first upper section sub-assembly includes a first upper section outer panel and a first upper section inner panel of the tailgate connected to each other. The first upper section outer panel of the tailgate is formed by stamping, and the first upper section inner panel of the tailgate is formed by drawing in one step.

[0010] The thickness of the outer panel of the first upper section of the rear door and the inner panel of the first upper section of the rear door is 0.8 to 1.2 mm.

[0011] The second upper section sub-assembly includes a second upper section outer panel and a second upper section inner panel of the tailgate connected to each other. The second upper section outer panel of the tailgate is formed by stamping, and the second upper section inner panel of the tailgate is formed by drawing in one step.

[0012] The thickness of the outer panel of the second upper section of the rear door and the inner panel of the second upper section of the rear door is 0.8 to 1.2 mm.

[0013] The upper section of the rear door is formed by a roll forming process.

[0014] The reinforcing plate in the rear door and window frame is formed by stamping.

[0015] The present invention also provides a method for producing the upper section structure of the side-opening rear tailgate of an SUV, comprising the following steps:

[0016] S1. Prepare the first upper section sub-assembly, the second upper section sub-assembly, the upper section body of the rear door, and the reinforcing plate in the rear door window frame;

[0017] S2. Weld the first upper section sub-assembly, the second upper section sub-assembly, the upper section body of the tailgate, and the reinforcing plate in the tailgate window frame to form a closed ring structure, thereby obtaining the upper section structure of the side-opening tailgate of an SUV.

[0018] The present invention also provides a tailgate assembly, including the upper section structure of the side-opening tailgate of the SUV.

[0019] The present invention also provides a vehicle including the aforementioned tailgate assembly.

[0020] The upper section structure of the side-opening rear tailgate of the SUV of the present invention is a closed ring structure, which improves the overall strength and rigidity of the product. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a frontal embodiment of the upper section structure of the side-opening rear tailgate of an SUV.

[0022] Figure 2 This is a schematic diagram of a reverse embodiment of the upper section structure of the side-opening rear tailgate of an SUV;

[0023] Figure 3 This is a schematic diagram of the cross-section of the first upper section sub-assembly of the rear tailgate;

[0024] Figure 4 This is a schematic diagram of the cross-section of the second upper section sub-assembly of the rear tailgate;

[0025] Figure 5 This is a cross-sectional schematic diagram of the upper section of the rear tailgate.

[0026] Figure 6 This is a schematic diagram of the reinforcing plate in the rear door and window frame;

[0027] Figure 7 This is a structural diagram of the rear door hinge mounting plate structure;

[0028] Figure 8 This is a structural diagram of the taillight mounting plate.

[0029] The markings in the above figures are as follows: 10, First upper section inner panel of the tailgate; 101, First left section flange; 102, Second left section flange; 103, First left section connecting plate; 104, Second left section connecting plate; 105, Third left section connecting plate; 106, Fourth left section connecting plate; 107, Fifth left section connecting plate; 20, Upper section body of the tailgate; 201, First upper section connecting plate; 202, Second upper section connecting plate; 203, Third upper section connecting plate; 204, Fourth upper section connecting plate; 205, Fifth upper section connecting plate; 206, Upper section flange; 30, First left section flange of the tailgate. 301. Second right section inner panel; 302. First right section flange; 303. First right section connecting plate; 304. Second right section connecting plate; 305. Third right section connecting plate; 306. Fourth right section connecting plate; 307. Fifth right section connecting plate; 40. Reinforcing plate in the rear door window frame; 50. Second upper section outer panel of the rear door; 60. First upper section outer panel of the rear door; 70. Taillight mounting plate; 80. Reinforcing boss; 90. Hinge mounting plate; 100. Reinforcing structure; 110. Hinge reinforcing plate; 120. D-pillar overlap plate; 130. Connecting plate. Detailed Implementation

[0030] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be given below with reference to the accompanying drawings, which illustrate several embodiments of the present invention. However, the present invention can be implemented in different forms and is not limited to the embodiments described in the text. Rather, these embodiments are provided to make the disclosure of the present invention more thorough and complete.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," and similar expressions used in this document are for illustrative purposes only.

[0032] It should be noted that in the following embodiments, the terms "first", "second", "third", "fourth" and "fifth" do not represent an absolute distinction in structure and / or function, nor do they represent the order of execution, but are merely for the convenience of description.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art to which this invention pertains. The terminology used herein in the specification of this invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0034] Example 1

[0035] like Figures 1 to 6 As shown, this embodiment of the invention provides an upper section structure for a side-opening rear tailgate of an SUV, which is a closed ring structure formed by connecting a first upper section sub-assembly, a second upper section sub-assembly, an upper section body 20 of the tailgate, and a reinforcing plate 40 in the rear door window frame. The upper section body 20 of the tailgate and the reinforcing plate 40 in the rear door window frame are located between the first upper section sub-assembly and the second upper section sub-assembly and are connected to the first upper section sub-assembly and the second upper section sub-assembly. The upper section body 20 of the tailgate and the reinforcing plate 40 in the rear door window frame are arranged opposite to each other.

[0036] Specifically, such as Figures 1 to 6 As shown, the upper section body 20 of the rear door is located above the reinforcing plate 40 in the rear door window frame. The two ends of the upper section body 20 along its length are fixedly connected to the upper ends of the first upper sub-assembly and the second upper sub-assembly, respectively. The two ends of the reinforcing plate 40 in the rear door window frame along its length are fixedly connected to the lower ends of the first upper sub-assembly and the second upper sub-assembly, respectively. The first upper sub-assembly includes a first upper outer panel 60 and a first upper inner panel 10 of the rear door, which are connected together. The second upper sub-assembly includes a second upper outer panel 50 and a second upper inner panel 30 of the rear door, which are connected together.

[0037] As a preferred option, such as Figures 3 to 5 As shown, the first upper sub-assembly is a hollow structure, forming a first cavity that extends along its length. The second upper sub-assembly is also hollow, forming a second cavity that extends along its length. The upper tailgate body 20 is hollow, forming a third cavity that extends along its length. The first and second upper sub-assemblies close the openings at both ends of the upper tailgate body 20. A rear windshield is mounted on the side-opening tailgate upper structure of the SUV. The first and second upper sub-assemblies, the upper tailgate body 20, and the reinforcing plate 40 in the tailgate window frame are located on the four sides of the rear windshield. This structure of the side-opening tailgate upper structure for SUVs satisfies rear visibility requirements while being structurally stable and lightweight.

[0038] Preferably, the first upper section outer panel 60 of the tailgate is stamped, and the thickness of the first upper section outer panel 60 is 0.8-1.2mm, and it is made of DC01 steel plate material. For example, the thickness of the first upper section outer panel 60 can be 0.9mm or 1.0mm. One side of the first upper section outer panel 60 of the tailgate is provided with a raised rib as a mark for applying adhesive to the rear windshield, and it also provides the main positioning hole for the installation of the rear windshield.

[0039] Preferably, the first upper section inner panel 10 of the tailgate is formed by one-time drawing, and the material thickness of the first upper section inner panel 10 is 0.8-1.2mm, and it is made of DC04 steel plate material. For example, the material thickness of the first upper section inner panel 10 of the tailgate can be 0.9mm or 1.0mm. The tailgate first upper section inner panel 10 with this structure has strong structure and good rigidity.

[0040] Preferably, the second upper outer panel 50 of the tailgate is stamped, and the thickness of the second upper outer panel 50 is 0.8-1.2mm, and it is made of DC01 steel plate material. For example, the thickness of the second upper outer panel 50 can be 0.9mm or 1.0mm. One side of the second upper outer panel 50 of the tailgate is provided with a raised rib as a mark for applying adhesive to the rear windshield, and it also provides a secondary positioning hole for the installation of the rear windshield.

[0041] Preferably, the second upper section inner panel 30 of the tailgate is formed by one-time drawing, and the material thickness of the second upper section inner panel 30 is 0.8-1.2mm, and it is made of DC04 steel plate material. For example, the material thickness of the second upper section inner panel 30 can be 0.9mm or 1.0mm. This structure of the second upper section inner panel 30 of the tailgate has strong structure and good rigidity.

[0042] Preferably, the upper section body 20 of the tailgate is formed by roll forming. The material thickness of the upper section body 20 of the tailgate is 0.8-1.2mm, and it is made of DC01 steel plate material. For example, the material thickness of the upper section body 20 of the tailgate can be 0.9mm or 1.0mm. This structure of the upper section body 20 of the tailgate is strong and has good rigidity.

[0043] Preferably, the reinforcing plate 40 in the rear door and window frame is formed by stamping. The thickness of the reinforcing plate 40 in the rear door and window frame is 0.8-1.2mm, and it is made of HC340LA high-strength plate material. For example, the thickness of the reinforcing plate 40 in the rear door and window frame can be 0.9mm or 1.0mm. This structure of the reinforcing plate 40 in the rear door and window frame is strong and has good rigidity.

[0044] The reinforcing plate 40 in the rear door and window frame provides mounting points for the wiper motor and the door guard plate. Five projection nuts are welded onto the reinforcing plate 40 in the rear door and window frame. Three of the projection nuts are used to fix the wiper motor, and the other two projection nuts are used to fix the door guard plate of the rear door assembly.

[0045] like Figure 3 As shown, the outer panel 60 of the first upper section of the rear door and the inner panel 10 of the first upper section of the rear door are edged together by a pressing mold to ensure the relative position of the two parts, thereby forming a three-sided closed first cavity, improving the rigidity of the product, and obtaining the first upper section sub-assembly of the rear door.

[0046] like Figure 3 As shown, the first upper inner panel 10 of the rear door includes a first left connecting plate 103, a second left connecting plate 104, a third left connecting plate 105, a fourth left connecting plate 106, and a fifth left connecting plate 107, which are fixedly connected in sequence. One end of the first left connecting plate 103 is fixedly connected to the second left flange 102, and the two are connected by an arc transition. The other end of the first left connecting plate 103 is fixedly connected to the second left connecting plate 104, and the two are connected by an arc transition. One end of the fifth left connecting plate 107 is fixedly connected to the first left flange 101. The two are fixedly connected and the connection between them is an arc transition. The other end of the fifth left connecting plate 107 is fixedly connected to the fourth left connecting plate 106 and the connection between them is an arc transition. One end of the first upper outer panel 60 of the rear door is sandwiched between the first left connecting plate 103 and the second left flange 102. The first left connecting plate 103 and the second left flange 102 are parallel. The other end of the first upper outer panel 60 of the rear door is sandwiched between the fifth left connecting plate 107 and the first left flange 101. The fifth left connecting plate 107 and the first left flange 101 are parallel. The first upper section outer panel 60 of the rear door and the third left section connecting plate 105 are arranged opposite each other, and the second left section connecting plate 104 and the fourth left section connecting plate 106 are arranged opposite each other. The first cavity is formed by the rear door first upper section outer panel 60, the third left section connecting plate 105, the second left section connecting plate 104 and the fourth left section connecting plate 106, so that they form an integral closed cavity.

[0047] like Figure 4 As shown, the outer panel 50 of the second upper section of the rear door and the inner panel 30 of the second upper section of the rear door are edged together by a pressing mold to ensure the relative position of the two parts, thereby forming a three-sided closed second cavity, improving the rigidity of the product, and obtaining the second upper section sub-assembly of the rear door.

[0048] like Figure 4As shown, the second upper inner panel 30 of the rear door includes a first right connecting plate 303, a second right connecting plate 304, a third right connecting plate 305, a fourth right connecting plate 306, and a fifth right connecting plate 307, which are fixedly connected in sequence. One end of the first right connecting plate 303 is fixedly connected to the second right flange 301, and the two are connected by an arc transition. The other end of the first right connecting plate 303 is fixedly connected to the second right connecting plate 304, and the two are connected by an arc transition. One end of the fifth right connecting plate 307 is fixedly connected to the first right flange 302. The two are fixedly connected and the connection between them is an arc transition. The other end of the fifth right section connecting plate 307 is fixedly connected to the fourth right section connecting plate 306 and the connection between them is an arc transition. One end of the second upper section outer panel 50 of the rear door is sandwiched between the first right section connecting plate 303 and the second right section flange 301. The first right section connecting plate 303 and the second right section flange 301 are parallel. The other end of the second upper section outer panel 50 of the rear door is sandwiched between the fifth right section connecting plate 307 and the first right section flange 302. The fifth right section connecting plate 307 and the first right section flange 302 are parallel. The second upper section outer panel 50 of the rear door and the third right section connecting plate 305 are arranged opposite each other, and the second right section connecting plate 304 and the fourth right section connecting plate 306 are arranged opposite each other. The second cavity is formed by the rear door's second upper section outer panel 50, the third right section connecting plate 305, the second right section connecting plate 304 and the fourth right section connecting plate 306, thus forming an integral closed cavity.

[0049] like Figure 5 As shown, the upper section body 20 of the rear door includes a first upper section connecting plate 201, a second upper section connecting plate 202, a third upper section connecting plate 203, a fourth upper section connecting plate 204, and a fifth upper section connecting plate 205 that are fixedly connected in sequence. One end of the first upper section connecting plate 201 is fixedly connected to the upper section flange 206 and the two are connected by an arc transition. The other end of the first upper section connecting plate 201 is fixedly connected to the second upper section connecting plate 202 and the two are connected by an arc transition. One end of the fifth upper section connecting plate 205 is sandwiched between the first upper section connecting plate 201 and the upper section flange 206. The other end of the fifth upper section connecting plate 205 is fixedly connected to the fourth upper section connecting plate 204 and the two are connected by an arc transition. The first upper section connecting plate 201 and the upper section flange 206 are parallel. The fifth upper section connecting plate 205 and the third upper section connecting plate 203 are arranged opposite each other, the second upper section connecting plate 202 and the fourth upper section connecting plate 204 are arranged opposite each other, and the third cavity is formed by the second upper section connecting plate 202, the third upper section connecting plate 203, the fourth upper section connecting plate 204 and the fifth upper section connecting plate 205, so that they form an integral closed cavity.

[0050] Preferably, CO2 welding is used to connect the first upper section sub-assembly of the rear door, the second upper section sub-assembly of the rear door, the upper section body 20 of the rear door, and the reinforcing plate 40 in the rear door window frame into a closed ring structure.

[0051] The above-described upper section structure of the side-opening tailgate for SUVs reduces overall weight by approximately 8% and costs by about 40 yuan compared to the traditional one-piece tailgate structure. It also features a simpler molding process, easier welding, and significantly improved performance, further contributing to overall vehicle lightweighting. This design is easy to implement, possesses strong practicality and promising application prospects, and can be widely adopted.

[0052] This invention also provides a method for producing the upper section structure of a side-opening rear tailgate of an SUV, comprising the following steps:

[0053] S1. Prepare the first upper section sub-assembly, the second upper section sub-assembly, the upper section body 20 of the rear door, and the reinforcing plate 40 in the rear door window frame;

[0054] S2. The first upper section sub-assembly, the second upper section sub-assembly, the upper section body 20 of the tailgate, and the reinforcing plate 40 in the tailgate window frame are welded together to form a closed ring structure, thereby obtaining the upper section structure of the side-opening tailgate of an SUV.

[0055] In step S1 above, the outer panel 60 of the first upper section of the rear door is made by stamping, and the inner panel 10 of the first upper section of the rear door is made by drawing one-time forming process. In the preparation of the first upper section sub-assembly, the first upper section outer panel 60 and the first upper section inner panel 10 of the tailgate are first positioned. Two first positioning holes are provided on the first upper section outer panel 60, with diameters of 5mm and 10mm respectively. The first upper section outer panel 60 is positioned with the first upper section inner panel 10 through the two first positioning holes. Then, folding adhesive is applied to the edge of the first upper section outer panel 60 at 6mm. The edge is pressed and bound by the edge-binding mold, so that the first left section flange 101 and the second left section flange 102 are formed on the first upper section inner panel 10. The first left section flange 101 and the second left section flange 102 are attached to the first upper section outer panel 60 to form a closed first cavity. Then, the first upper section outer panel 60 is welded to the first left section flange 101 and the second left section flange 102, with two points of projection welding, so that the structure of the first upper section sub-assembly is more stable and reliable.

[0056] In step S1 above, the second upper section outer panel 50 of the rear door is made by stamping, and the second upper section inner panel 30 of the rear door is made by drawing one-time forming process. In the preparation of the second upper section sub-assembly, the outer panel 50 and the inner panel 30 of the second upper section of the tailgate are first positioned. Two second positioning holes are provided on the outer panel 50 of the second upper section of the tailgate, with diameters of 5mm and 10mm respectively. The outer panel 50 of the second upper section of the tailgate is positioned with the inner panel 30 of the second upper section of the tailgate through the two second positioning holes. Then, folding adhesive is applied to the edge of the outer panel 50 of the second upper section of the tailgate at 6mm. The edge is pressed and bound by the edge-binding mold, so that the first right section flange 302 and the second right section flange 301 are formed on the inner panel 30 of the second upper section of the tailgate. The first right section flange 302 and the second right section flange 301 are attached to the outer panel 50 of the second upper section of the tailgate to form a closed second cavity. Then, the outer panel 50 of the second upper section of the tailgate is welded to the first right section flange 302 and the second right section flange 301, with two points of projection welding, so that the structure of the second upper section sub-assembly is more stable and reliable.

[0057] In step S1 above, the upper section body 20 of the rear door is formed by roll forming process. After forming, the two ends of the upper section body 20 of the rear door are processed by sawing process to make the shape of the two ends of the upper section body 20 of the rear door meet the requirements. Finally, drainage holes are drilled on the upper section body 20 of the rear door using a drilling jig. There are 3 drainage holes with a diameter of 8.4mm to facilitate coating.

[0058] In step S1 above, the reinforcing plate 40 in the rear door and window frame is made by stamping. In order to save costs, five M6 projection weld nuts are welded onto the reinforcing plate 40 in the rear door and window frame for installing the wiper motor and door guard plate.

[0059] In step S2 above, the first upper sub-assembly, the second upper sub-assembly, the upper body 20 of the tailgate, and the reinforcing plate 40 in the tailgate window frame are positioned using welding fixtures. Then, carbon dioxide gas shielded welding is used to weld the first upper sub-assembly, the second upper sub-assembly, the upper body 20 of the tailgate, and the reinforcing plate 40 in the tailgate window frame together. After the front side is welded, the back side is welded. In this way, the upper section of the tailgate forms a closed ring, which improves the overall strength and rigidity of the product.

[0060] After all welding is completed, the weld seam should be ground smooth, and the weld height should be within 0.3 to 0.5 mm. This ensures both the strength and the aesthetics of the weld seam.

[0061] This invention also provides a tailgate assembly, including the upper section structure of a side-opening tailgate for an SUV, as described above. The specific structure of this upper section structure of the side-opening tailgate for an SUV can be found in [reference needed]. Figures 1 to 6The details will not be elaborated further here. Since the tailgate assembly of this embodiment includes the upper section structure of the SUV side-opening tailgate in the above embodiment, it has all the advantages of the upper section structure of the SUV side-opening tailgate.

[0062] This invention also provides a vehicle including a tailgate assembly with the above-described structure. Since the vehicle of this invention includes the SUV side-opening tailgate upper section structure and tailgate assembly described in the above embodiments, it possesses all the advantages of the SUV side-opening tailgate upper section structure and tailgate assembly described above.

[0063] Example 2

[0064] In SUV models, the requirements for the rigidity of the hinge mounting points and the sag of the tailgate assembly are more stringent for side-opening tailgate assemblies. Typically, the tailgate assembly hinges are directly mounted on the taillight mounting plate of the vehicle. After a period of use, deformation occurs near the hinges, affecting the normal closing and opening of the tailgate, and the entire tailgate sags, reducing its service life.

[0065] Therefore, in this embodiment of the invention, the vehicle also includes a tailgate hinge mounting plate structure, such as... Figure 7 As shown, the tailgate hinge mounting plate structure includes a hinge mounting plate 90 and a reinforcing structure 100. The reinforcing structure 100 is disposed on the hinge mounting plate 90. The reinforcing structure 100 can enhance the structural strength and rigidity of the tailgate hinge, effectively prevent the hinge mounting point from deforming during use, and the reinforcing structure 100 can also effectively prevent the tailgate from sinking, thereby improving the service life of the tailgate hinge and the tailgate.

[0066] The reinforcing structure 100 includes a hinge reinforcing plate 110, which is disposed on one side of the hinge mounting plate 90. It can enhance the structural strength and rigidity of the hinge mounting plate 90 and effectively prevent the hinge mounting plate 90 from deforming.

[0067] The reinforcing structure 100 also includes a lap plate 120, which is disposed on one side of the hinge reinforcing plate 110. The lap plate 120 is connected to the vehicle body, thereby connecting the tailgate hinge mounting structure provided in this embodiment of the invention to the vehicle body, further strengthening the structural strength of the tailgate hinge and effectively supporting it. The lap plate 110 is connected to the vehicle body by welding, thereby firmly fixing the lap plate 110 to the vehicle body, further strengthening the structural strength of the tailgate hinge and effectively supporting it.

[0068] Figure 8 This is a schematic diagram of the structure of the taillight mounting plate in an embodiment of the present invention.

[0069] A taillight mounting plate 70 is installed on the vehicle body, and a hinge mounting plate 90 is mounted on the taillight mounting plate 70. The taillight mounting plate 70 is located on one side of the side skirt water channel of the vehicle. A connecting plate 130 is provided between the hinge mounting plate 90 and the taillight mounting plate 70. The connecting plate 130 is located on one side of the hinge reinforcement plate 110 and the overlapping plate 120. The taillight mounting plate 70 has a reinforcing boss 80. The connecting plate 130 is connected to the reinforcing boss 80, thereby fixing the hinge mounting plate 90 to the taillight mounting plate 70, enhancing the structural strength and rigidity of the hinge mounting plate 90, effectively preventing the hinge mounting plate 90 from deforming during use, and effectively preventing the tailgate assembly from sagging, thereby improving the service life of the tailgate hinge and tailgate assembly. The reinforcing boss 80 is thickened, which can further enhance the structural strength and rigidity of the hinge mounting plate 90, effectively preventing the hinge mounting plate 90 from deforming during use.

[0070] The taillight mounting plate 70 has two reinforcing protrusions 80, which provide mounting positions for the two tailgate hinge mounting plate structures. The tailgate hinges are set on the hinge mounting plate 90, which facilitates the installation of two tailgate hinges. They can share the load of the tailgate assembly, thereby effectively supporting the tailgate assembly, extending the service life of the tailgate assembly, preventing deformation near the tailgate hinges, avoiding affecting the normal closing and opening of the tailgate assembly, and preventing the tailgate assembly from sagging as a whole.

[0071] The hinge mounting plate 90, hinge reinforcing plate 110, overlapping plate 120, and connecting plate 130 are integrally formed. The hinge mounting plate 90, hinge reinforcing plate 110, overlapping plate 120, and connecting plate 130 are integrally formed by casting, which helps to improve the overall strength and rigidity of the rear door hinge mounting plate provided in this embodiment of the invention. It can enhance the structural strength and rigidity of the rear door hinge mounting point, avoid deformation at the hinge mounting point, effectively prevent the rear door from sinking, and improve the service life of the rear door hinge.

[0072] The role and effect of the embodiments

[0073] The tailgate hinge mounting plate structure provided in this embodiment of the invention includes a hinge mounting plate 90 and a reinforcing structure 100. The reinforcing structure 100 is disposed on the hinge mounting plate 90. The reinforcing structure 100 can enhance the structural strength and rigidity of the tailgate hinge, effectively prevent deformation of the hinge mounting area during use, and effectively prevent the tailgate assembly from sinking, thereby improving the service life of the tailgate hinge and the tailgate assembly. The tailgate hinge mounting plate structure provided in this embodiment of the invention can enhance the structural strength and rigidity of the tailgate hinge mounting area, avoid deformation of the hinge mounting area, effectively prevent the tailgate assembly from sinking, and improve the service life of the tailgate hinge.

[0074] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, are all within the protection scope of the present invention.

Claims

1. The upper section structure of the side-opening rear tailgate of an SUV, characterized in that, The upper section structure of the side-opening rear tailgate of the SUV is a closed ring structure formed by connecting the first upper section sub-assembly, the second upper section sub-assembly, the upper section body of the tailgate, and the reinforcing plate in the rear door window frame. The upper section body of the tailgate and the reinforcing plate in the rear door window frame are located between the first upper section sub-assembly and the second upper section sub-assembly and are connected to the first upper section sub-assembly and the second upper section sub-assembly. The upper section body of the tailgate and the reinforcing plate in the rear door window frame are arranged opposite to each other. The upper section of the rear door body is formed by a roll forming process; The upper section of the rear door body includes a first upper section connecting plate, a second upper section connecting plate, a third upper section connecting plate, a fourth upper section connecting plate, and a fifth upper section connecting plate that are fixedly connected in sequence. One end of the first upper section connecting plate is fixedly connected to the upper section flange with a rounded transition between them. The other end of the first upper section connecting plate is fixedly connected to the second upper section connecting plate with a rounded transition between them. One end of the fifth upper section connecting plate is sandwiched between the first upper section connecting plate and the upper section flange. The other end of the fifth upper section connecting plate is fixedly connected to the fourth upper section connecting plate with a rounded transition between them. The first upper section connecting plate is parallel to the upper section flange.

2. The upper section structure of the side-opening rear tailgate of an SUV according to claim 1, characterized in that, The first upper section sub-assembly includes a first upper section outer panel and a first upper section inner panel of the tailgate connected to each other. The first upper section outer panel of the tailgate is formed by stamping, and the first upper section inner panel of the tailgate is formed by drawing in one step.

3. The upper section structure of the side-opening rear tailgate of an SUV according to claim 2, characterized in that, The thickness of the outer panel of the first upper section of the rear door and the inner panel of the first upper section of the rear door is 0.8~1.2mm.

4. The upper section structure of the side-opening rear tailgate of an SUV according to any one of claims 1 to 3, characterized in that, The second upper section sub-assembly includes a second upper section outer panel and a second upper section inner panel of the tailgate connected to each other. The second upper section outer panel of the tailgate is formed by stamping, and the second upper section inner panel of the tailgate is formed by drawing in one step.

5. The upper section structure of the side-opening rear tailgate of an SUV according to claim 4, characterized in that, The thickness of the outer panel of the second upper section of the rear door and the inner panel of the second upper section of the rear door is 0.8~1.2mm.

6. The upper section structure of the side-opening rear tailgate of an SUV according to any one of claims 1 to 3, characterized in that, The reinforcing plate in the rear door and window frame is formed by stamping.

7. A method for producing the upper section structure of the side-opening rear hatch of an SUV as described in any one of claims 1 to 6, characterized in that, Including the following steps: S1. Prepare the first upper section sub-assembly, the second upper section sub-assembly, the upper section body of the rear door, and the reinforcing plate in the rear door window frame; S2. Weld the first upper section sub-assembly, the second upper section sub-assembly, the upper section body of the tailgate, and the reinforcing plate in the tailgate window frame to form a closed ring structure, thereby obtaining the upper section structure of the side-opening tailgate of an SUV.

8. The tailgate assembly, characterized in that, Includes the upper section structure of the side-opening rear tailgate of an SUV as described in any one of claims 1 to 6.

9. A vehicle, characterized in that, Includes the rear tailgate assembly as described in claim 8.

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