Automobile and tail door frame structure thereof
By designing an integrated D-pillar reinforcement plate and rear end plate crossbeam connection structure, the problem of discontinuous force transmission in the tailgate frame was solved, improving the stiffness of the tailgate frame and the torsional stiffness of the entire vehicle.
Patent Information
- Application Number
- CN202520072309.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Fragmentation of the reinforcing structure of the car tailgate frame leads to discontinuous force transmission, insufficient tailgate frame stiffness, and poor torsional stiffness of the entire vehicle.
Design a tailgate frame structure including an outer frame, an inner frame, and a reinforcing frame. The integrated reinforcing frame is formed by connecting the D-pillar reinforcing plate and the rear end plate crossbeam, which achieves continuous force transmission and improves the rigidity of the tailgate frame.
This achieves continuous force transmission in the tailgate frame, improves the stiffness of the tailgate frame itself, and thus enhances the torsional stiffness of the entire vehicle.
Smart Images
Figure CN223750964U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile, in particular to an automobile and tail door frame structure thereof. BACKGROUND
[0002] At present, the reinforcing structure in the tail door frame of the automobile is usually distributed in the tail door frame structure in a relatively fragmented manner, the force transmission is discontinuous, the rigidity of the tail door frame itself is insufficient, and the torsional rigidity of the whole vehicle is poor. SUMMARY
[0003] The utility model discloses a kind of automobile and tail door frame structure, which can improve the rigidity of tail door frame and improve the rigidity of the whole vehicle.
[0004] To achieve the above purpose, the utility model provides a tail door frame structure of an automobile, comprising:
[0005] The outer frame includes a roof rear cross beam outer plate, a D-pillar outer plate, and a tail end beam. The roof rear cross beam outer plate is used to connect to the roof. The D-pillar outer plate is used to mount on the side wall outer plate. The roof rear cross beam outer plate and the tail end beam are arranged in an up-down manner and connected through the D-pillar outer plate.
[0006] The inner frame includes a roof rear cross beam inner plate, a D-pillar inner plate, and a rear end upper plate. The roof rear cross beam inner plate and the rear end upper plate are arranged in an up-down manner and connected through the D-pillar inner plate. The roof rear cross beam inner plate is located inside the roof rear cross beam outer plate. The D-pillar inner plate is located inside the D-pillar outer plate. The rear end upper plate is located inside the tail end beam. The rear end upper plate is used to connect to the rear floor.
[0007] The reinforcing frame includes a D-pillar reinforcing plate and a rear end plate cross beam. At least a part of the D-pillar reinforcing plate is located between the D-pillar inner plate and the D-pillar outer plate. At least a part of the D-pillar reinforcing plate is connected to the roof rear cross beam inner plate. At least another part of the D-pillar reinforcing plate is connected to the tail end beam. The rear end plate cross beam is located between the rear end upper plate and the tail end beam, and the rear end plate cross beam is connected to the rear end upper plate and the tail end beam. The bottom end of the D-pillar reinforcing plate is connected to the rear end plate cross beam.
[0008] In some embodiments of the utility model:
[0009] The top end of the D-pillar reinforcing plate is further provided with a D-pillar upper reinforcing plate. The D-pillar upper reinforcing plate is connected to the roof rear cross beam inner plate. The D-pillar upper reinforcing plate is further used to connect to the side wall outer plate.
[0010] In some embodiments of the utility model:
[0011] The D-pillar upper reinforcing plate is connected to the top cover rear transverse beam inner plate through the D-pillar upper reinforcing plate reinforcing plate.
[0012] In some embodiments of the utility model,
[0013] The bottom end of the D-pillar reinforcing plate is used for connecting the side outer plate, and the bottom end of the D-pillar reinforcing plate is also connected to the tail end beam.
[0014] In some embodiments of the utility model,
[0015] The bottom end of the D-pillar reinforcing plate is also provided with damping glue, and the damping glue is also used for connecting the side outer plate.
[0016] In some embodiments of the utility model,
[0017] The D-pillar reinforcing plate is also provided with a tail door hinge reinforcing plate, and the tail door hinge reinforcing plate is also used for connecting the side outer plate.
[0018] In some embodiments of the utility model, the tail door frame structure of the automobile further comprises:
[0019] A limiting support is arranged on the D-pillar outer plate, and the limiting support and the D-pillar outer plate form a mounting through hole;
[0020] A limiting rod is inserted into the mounting through hole at one end.
[0021] In some embodiments of the utility model,
[0022] An edge of the limiting support is provided with a turned edge, a surface of the limiting rod is provided with a groove matched with the turned edge, and at least a part of the turned edge is inserted into the groove.
[0023] In some embodiments of the utility model,
[0024] A middle part of the limiting support is provided with an arch part, two ends of the limiting support are provided with connecting parts, the arch part and the D-pillar outer plate form the mounting through hole, and the connecting parts are connected to the D-pillar outer plate.
[0025] The utility model also provides an automobile comprising the tail door frame structure of the automobile according to any one of the above.
[0026] The utility model provides an automobile and a tail door frame structure thereof, and compared with the prior art, the utility model has the beneficial effects that:
[0027] The tailgate frame structure of this utility model, by setting a reinforcing frame including a D-pillar reinforcing plate and a rear end plate crossbeam, and connecting the reinforcing frame from the top to the bottom of the tailgate frame as a whole, can achieve continuous force transmission, improve the rigidity of the tailgate frame itself, and thus improve the torsional rigidity of the whole vehicle.
[0028] The automobile of this utility model includes the aforementioned tailgate frame structure, which enables continuous force transmission, improves the rigidity of the tailgate frame itself, and thereby improves the torsional rigidity of the entire vehicle. Attached Figure Description
[0029] Figure 1 This is a schematic diagram of the rear of a car according to an embodiment of this utility model.
[0030] Figure 2 yes Figure 1 A schematic diagram of the limiting bracket and limiting rod at point a.
[0031] Figure 3 yes Figure 2 A sectional view of cc.
[0032] Figure 4 yes Figure 2 A cross-sectional view of dd.
[0033] Figure 5 yes Figure 1 Enlarged diagram of point b in the middle.
[0034] Figure 6 yes Figure 5 A schematic diagram showing the view from inside the vehicle.
[0035] Figure 7 This is an exploded view of components such as the outer side panel of the car roof, the D-pillar reinforcement plate, and the inner D-pillar panel, according to an embodiment of this utility model.
[0036] Figure 8 yes Figure 5 A cross-sectional view at point ee.
[0037] Figure 9 This is an exploded view of components such as the outer side panel of the bottom of the car, the D-pillar reinforcement plate, and the inner D-pillar panel, according to an embodiment of this utility model.
[0038] Figure 10 yes Figure 1 A schematic diagram of the structure including the outer plate of column D and the tail beam at point a.
[0039] Figure 11 yes Figure 10 Sectional view at point ff.
[0040] Figure 12 This is a left-side view of the vehicle body near point a.
[0041] Figure 13 is Figure 12 is a sectional view at g-g in figure
[0042] Figure 14 is a schematic view of the tail gate hinge reinforcing plate of the embodiment of the present utility model.
[0043] Figure 15 is Figure 1 is a schematic view of the D pillar reinforcing plate at a in figure
[0044] Figure 16 is Figure 15 is a sectional view at h-h in figure
[0045] Figure 17 is a schematic view of the roof rear cross beam inner plate of the top of the automobile tail.
[0046] Figure 18 is Figure 17 is a schematic view of the inside view angle.
[0047] Figure 19 is an exploded view of the roof rear cross beam inner plate, roof rear cross beam outer plate and other components.
[0048] Figure 20 is Figure 18 is a sectional view at i-i in figure
[0049] In the figure, 1, outer frame; 2, inner frame; 3, reinforcing frame; 4, roof; 5, side outer plate; 6, rear floor; 7, limiting support; 8, limiting rod; 9, tail gate; 10, side inner plate.
[0050] 11, roof rear cross beam outer plate; 12, D pillar outer plate; 13, tail end beam; 121, D pillar upper outer plate; 122, D pillar upper connecting plate; 131, tail end beam reinforcing plate; 21, roof rear cross beam inner plate; 22, D pillar inner plate; 23, rear end upper plate; 221, D pillar upper inner plate; 31, D pillar reinforcing plate; 32, rear end plate cross beam; 33, D pillar upper reinforcing plate; 34, D pillar upper reinforcing plate reinforcing plate; 35, tail gate hinge reinforcing plate; 36, shock absorbing glue setting position; 37, tail gate lock catch reinforcing plate; 38, safety belt reinforcing plate; 51, side reinforcing plate; 71, mounting through hole; 72, flange; 73, arch portion; 74, connecting portion; 81, groove. DETAILED DESCRIPTION
[0051] The specific embodiments of the present utility model are described in further detail below in combination with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.
[0052] In the description of the utility model, it is necessary to explain that, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0053] In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0054] In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more than two.
[0055] For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0056] Please refer to Figure 1 , Figure 7 and Figure 9 The utility model discloses a tail door 9 frame structure of a car, which comprises an outer frame 1, an inner frame 2 and a reinforcing frame 3.
[0057] The outer frame 1 comprises a roof rear cross beam outer plate 11, a D column outer plate 12 and a tail end beam 13, the roof rear cross beam outer plate 11 is used to be connected on the roof 4, the D column outer plate 12 is used to be installed on the side wall outer plate 5, and the roof rear cross beam outer plate 11 and the tail end beam 13 are connected through the D column outer plate 12. The roof rear cross beam outer plate 11, the D column outer plate 12 and the tail end beam 13 are located on the outer surface of the tail door 9 frame.
[0058] The inner frame 2 comprises a roof rear cross beam inner plate 21, a D-pillar inner plate 22 and a rear end upper plate 23, the roof rear cross beam inner plate 21 and the rear end upper plate 23 are arranged in an up-down manner and are connected by the D-pillar inner plate 22, the roof rear cross beam inner plate 21 is located inside the roof rear cross beam outer plate 11, the D-pillar inner plate 22 is located inside the D-pillar outer plate 12, and the rear end upper plate 23 is located inside the tail end beam 13 and is used to be connected with the rear floor 6. The roof rear cross beam inner plate 21, the D-pillar inner plate 22 and the rear end upper plate 23 are located on the inner surface of the tail door 9 frame.
[0059] The reinforcing frame 3 comprises a D-pillar reinforcing plate 31 and a rear end plate cross beam 32, at least a part of the D-pillar reinforcing plate 31 is located between the D-pillar inner plate 22 and the D-pillar outer plate 12, at least a part of the D-pillar reinforcing plate 31 is connected with the roof rear cross beam inner plate 21, at least a part of the D-pillar reinforcing plate 31 is further connected with the tail end beam 13, the rear end plate cross beam 32 is located between the rear end upper plate 23 and the tail end beam 13 and is connected with the rear end upper plate 23 and the tail end beam 13, and the bottom end of the D-pillar reinforcing plate 31 is connected with the rear end plate cross beam 32.
[0060] The D-pillar reinforcing plate 31 and the rear end plate cross beam 32 are connected together, the D-pillar reinforcing plate 31 is connected at the top end position of the tail door 9 frame, the rear end plate cross beam 32 is connected at the bottom end position of the tail door 9 frame, the reinforcing frame 3 is connected integrally from the upper part to the lower part of the tail door 9 frame, can realize force transmission continuity, improve the rigidity of the tail door 9 frame itself, and further improve the torsional rigidity of the whole vehicle.
[0061] In some embodiments, please refer to Figures 5-8 , the top end of the D-pillar reinforcing plate 31 is further provided with a D-pillar upper reinforcing plate 33, the D-pillar upper reinforcing plate 33 is connected with the roof rear cross beam inner plate 21, and the D-pillar upper reinforcing plate 33 is further used to be connected with the side outer plate 5.
[0062] The D-pillar upper reinforcing plate 33 and the D-pillar reinforcing plate 31 are connected together, the D-pillar upper reinforcing plate 33 can be connected at the top end position of the tail door 9 frame, can improve the reliability of the reinforcing structure, can realize force transmission continuity, can improve the rigidity of the tail door 9 frame itself, and further improve the torsional rigidity of the whole vehicle.
[0063] In some embodiments, the D-pillar upper reinforcing plate 33 is further provided with a D-pillar upper reinforcing plate reinforcing plate 34, and the D-pillar upper reinforcing plate 33 is connected with the roof rear cross beam inner plate 21 through the D-pillar upper reinforcing plate reinforcing plate 34.
[0064] The D-pillar upper reinforcing plate reinforcing plate 34 is an extension and supplement based on the D-pillar upper reinforcing plate 33, can improve the reliability of the reinforcing structure, can realize force transmission continuity, can improve the rigidity of the tail door 9 frame itself, and further improve the torsional rigidity of the whole vehicle.
[0065] A D-pillar upper outer panel 121 is arranged on the top of the D-pillar outer panel 12, and a D-pillar upper connecting panel 122 is arranged on the D-pillar upper outer panel 121. The D-pillar upper connecting panel 122 is connected to the roof rear cross beam outer panel 11, so that the outer frame 1 forms a continuous structure on the top of the tailgate 9 frame.
[0066] A D-pillar upper inner panel 221 is arranged at the top end of the D-pillar inner panel 22, and the D-pillar upper inner panel 221 is connected to the roof rear cross beam inner panel 21. An inner frame 2 is also formed by a side wall inner panel 10 arranged on the inner side of the side wall outer panel 5, which is connected to the D-pillar upper inner panel 221. The inner frame 2 also forms a continuous structure.
[0067] In some embodiments, as shown in Figures 10-13 , the bottom end of the D-pillar reinforcing panel 31 is connected to the side wall outer panel 5, and the bottom end of the D-pillar reinforcing panel 31 is also connected to the tail end beam 13.
[0068] Through such a structure, the force transmission can also be continuous with the side wall outer panel 5, and the side wall outer panel 5 can be supported, the structural reliability can be strengthened, and the torsional stiffness of the side wall and the tailgate 9 can be increased.
[0069] A tail end beam reinforcing panel 131 is also connected at the connection between the tail end beam 13 and the D-pillar reinforcing panel 31, so as to improve the structural strength of the tail end beam 13.
[0070] The bottom end of the D-pillar reinforcing panel 31 is also provided with shock-absorbing glue, and the shock-absorbing glue is also used to connect the side wall outer panel 5.
[0071] The shock-absorbing glue is arranged at a position 36 on the inner wall of the side wall outer panel 5. In other embodiments, the D-pillar reinforcing panel 31 and the side wall outer panel 5 can be connected by different connection methods, such as welding.
[0072] A side wall reinforcing panel 51 is arranged on the inner side of the side wall outer panel 5, and the D-pillar reinforcing panel 31 is also connected to the side wall reinforcing panel 51, so as to strengthen the side wall outer panel 5.
[0073] As shown in Figures 14-16 , a tailgate hinge reinforcing panel 35 is also arranged on the D-pillar reinforcing panel 31, and the tailgate hinge reinforcing panel 35 is also used to connect the side wall outer panel 5.
[0074] The tailgate hinge reinforcing panel 35 has a flange 72 and an umbrella-shaped support foot, which is arranged on the D-pillar reinforcing panel 31 to replace the structure design of the prior art arranged on the D-pillar reinforcing panel 31 and the D-pillar outer panel 12, so as to simplify the process requirements and strengthen the structural reliability.
[0075] As shown in Figures 17-20The top cover rear cross beam outer plate 11 is directly connected to the top cover 4, the top cover rear cross beam inner plate 21 and the D column upper inner plate 221 are provided with a plurality of functional holes, which can realize installation and liquid leakage functions, effectively reduce weight, achieve lightweight goals, provide installation positions and spaces through the functional holes, realize double-row reinforced connection of the top cover 4 and the rear cross beam, and improve the strength of the whole vehicle.
[0076] Meanwhile, the tail door lock buckle reinforcing plate 37 and the safety belt reinforcing plate 38 are arranged between the top cover rear cross beam outer plate 11 and the top cover rear cross beam inner plate 21 to strengthen the local structure and meet the requirements of regulations.
[0077] Please refer to Figures 2-4 The tail door 9 frame structure further comprises a limiting support 7 and a limiting rod 8.
[0078] The limiting support 7 is arranged on the D column outer plate 12, and the limiting support 7 and the D column outer plate 12 form an installation through hole 71.
[0079] The limiting rod 8 is inserted into the installation through hole 71 at one end.
[0080] The limiting support 7 is used for installing the limiting rod 8, and the limiting rod 8 is used for cooperating with the tail door 9.
[0081] An edge of the limiting support 7 is provided with a turn-up 72, a surface of the limiting rod 8 is provided with a groove 81 matched with the turn-up 72, and at least a part of the turn-up 72 is inserted into the groove 81.
[0082] Through the structure, the limiting rod 8 can be in contact with the turn-up 72 through the inner wall of the groove 81 and cooperate with the turn-up 72, so that surface cooperation is realized, cooperation is more stable, and the limiting rod 8 is prevented from separating from the limiting support 7.
[0083] A middle part of the limiting support 7 is provided with an arch part 73, and both ends of the limiting support 7 are provided with connecting parts 74, the arch part 73 forms the installation through hole 71 with the D column outer plate 12, and the connecting parts 74 are connected to the D column outer plate 12.
[0084] Through the arrangement of the arch part 73 and the connecting parts 74, the limiting support 7 has a W-shaped structure, can form the installation through hole 71, and can be connected on both sides of the arch part 73, so that the connection structure of the limiting support 7 is stable and improved.
[0085] The embodiment further provides an automobile comprising the tail door 9 frame structure, which can realize continuous force transmission, improve the rigidity of the tail door 9 frame itself, and further improve the torsional rigidity of the whole vehicle.
[0086] The above only describes preferred embodiments of the utility model, and it should be noted that, for ordinary technical personnel in the technical field, without departing from the technical principles of the utility model, a plurality of improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection range of the utility model.
Claims
1. A tailgate frame structure of an automobile, characterized by comprising: It comprises: An outer frame, comprising a roof rear crossbeam outer plate, a D-pillar outer plate and a tail end beam, the roof rear crossbeam outer plate is used to be connected on the roof, the D-pillar outer plate is used to be installed on the side wall outer plate, the roof rear crossbeam outer plate and the tail end beam are arranged in an up-down manner and are connected through the D-pillar outer plate; An inner frame, comprising a roof rear crossbeam inner plate, a D-pillar inner plate and a rear end upper plate, the roof rear crossbeam inner plate and the rear end upper plate are arranged in an up-down manner and are connected through the D-pillar inner plate, the roof rear crossbeam inner plate is located inside the roof rear crossbeam outer plate, the D-pillar inner plate is located inside the D-pillar outer plate, the rear end upper plate is located inside the tail end beam, and the rear end upper plate is used to be connected with the rear floor; A reinforcing frame, comprising a D-pillar reinforcing plate and a rear end plate crossbeam, at least a part of the D-pillar reinforcing plate is located between the D-pillar inner plate and the D-pillar outer plate, at least a part of the D-pillar reinforcing plate is connected with the roof rear crossbeam inner plate, at least a part of the D-pillar reinforcing plate is further connected with the tail end beam, the rear end plate crossbeam is located between the rear end upper plate and the tail end beam, and the rear end plate crossbeam is connected with the rear end upper plate and the tail end beam, and the bottom end of the D-pillar reinforcing plate is connected on the rear end plate crossbeam.
2. The tailgate frame structure of the automobile according to claim 1, wherein: The top end of the D-pillar reinforcing plate is further provided with a D-pillar upper reinforcing plate, the D-pillar upper reinforcing plate is connected with the roof rear crossbeam inner plate, and the D-pillar upper reinforcing plate is further used to be connected with the side wall outer plate.
3. The tailgate frame structure of the automobile according to claim 2, wherein: The D-pillar upper reinforcing plate is further provided with a D-pillar upper reinforcing plate reinforcing plate, and the D-pillar upper reinforcing plate is connected with the roof rear crossbeam inner plate through the D-pillar upper reinforcing plate reinforcing plate.
4. The tailgate frame structure of the automobile according to claim 1, wherein: The bottom end of the D-pillar reinforcing plate is used to be connected with the side wall outer plate, and the bottom end of the D-pillar reinforcing plate is further connected on the tail end beam.
5. The tailgate frame structure of the automobile according to claim 4, wherein: The bottom end of the D-pillar reinforcing plate is further provided with shock-absorbing glue, and the shock-absorbing glue is further used to be connected with the side wall outer plate.
6. The tailgate frame structure of the automobile according to claim 1, wherein: The D-pillar reinforcing plate is further provided with a tailgate hinge reinforcing plate, and the tailgate hinge reinforcing plate is further used to be connected with the side wall outer plate.
7. The tailgate frame structure of the vehicle according to claim 1, characterized by It further comprises: A limiting support, which is arranged on the D-pillar outer plate, and the limiting support and the D-pillar outer plate form a mounting through hole; A limiting rod, one end of which is inserted into the mounting through hole.
8. The tailgate frame structure of the automobile according to claim 7, wherein: The edge of the limiting support is provided with a turned edge, the surface of the limiting rod is provided with a groove matched with the turned edge, and at least a part of the turned edge is inserted into the groove.
9. The tailgate frame structure of the automobile according to claim 7, wherein: The middle part of the limiting support is provided with an arch part, and the two ends of the limiting support are provided with connecting parts, the arch part and the D-pillar outer plate form the mounting through hole, and the connecting parts are connected on the D-pillar outer plate.
10. An automobile characterized by comprising: A tailgate frame structure of a vehicle including any one of claims 1 to 9.