VAN vehicle D column back door hinge mounting structure and method

By designing the hinge support assembly and welding the expansion adhesive layer, the problem of insufficient stiffness and fatigue resistance of the hinge installation structure of the VAN vehicle D-pillar back door is solved, and the durability and reliability of the vehicle body are significantly improved.

CN119195602AActive Publication Date: 2024-12-27DONGFENG AUTOMOBILE COMPANY
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Patent Information

Application Number
CN202411310648.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2024-12-27
Estimated Expiration
2044-09-19

AI Technical Summary

Technical Problem

The existing VAN vehicle D-pillar back door hinge installation structure lacks stiffness and fatigue resistance, resulting in low durability and reliability of the vehicle body.

Method used

A hinge support assembly is designed, including a hinge support ring, mounting plate and D-pillar support convex plate. The stiffness and fatigue resistance of the hinge mounting point are improved by welding and expanding adhesive layers, and the overall structural stiffness of the D-pillar is enhanced.

Benefits of technology

It effectively improves the stiffness and fatigue resistance of the back door hinge installation structure, and improves the overall performance and reliability of the car body.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a VAN vehicle D column back door hinge mounting structure and method, and belongs to the field of automobile manufacturing. The hinge mounting structure comprises a column D, a hinge supporting assembly is fixed to the inner wall of the column D and comprises a hinge supporting ring, a mounting plate is fixed to the hinge supporting ring, a first through hole is formed in the column D, and a hinge mounting hole corresponding to the through hole is formed in the mounting plate; the hinge mounting method comprises the steps that firstly, the mounting plate is welded to the hinge supporting ring to form the hinge supporting assembly, then, the hinge supporting assembly is welded to the inner wall of the D column, and finally, the D column outer plate is welded to the D column inner plate through the D column connecting plate to form the D column. The back door hinge installation structure is installed on the inner wall of the D column through the hinge supporting assembly, the rigidity and the anti-fatigue performance of the back door hinge installation structure can be effectively improved, the surface rigidity of the D column can be well improved, and therefore the overall structural rigidity of the D column is improved, the performance of a whole vehicle body is improved, and the reliability of the vehicle body is improved.
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Description

Technical Field

[0001] The invention relates to the field of automobile manufacturing, and in particular to a D-pillar back door hinge installation structure and method for a van vehicle. Background Art

[0002] With the rapid development of the times, the market demand for load-bearing light passenger vehicles, namely VAN vehicles, is getting higher and higher, and VAN vehicles have become one of the key vehicle types that various automobile manufacturers are competing to develop. As a vehicle type that combines passenger and commercial functions, VAN vehicles often have double-opening rear doors, and the structure of their rear doors includes a rear door hinge installation structure. In order to meet the needs of both passenger and commercial vehicles and improve the durability and reliability of the vehicle body, higher requirements are required for the rigidity of the rear door hinge installation structure on the D-pillar of the VAN vehicle.

[0003] Most of the existing D-pillar back door hinge mounting structures of VAN vehicles have the disadvantages of insufficient rigidity of the back door hinge mounting point and weak fatigue resistance. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a VAN vehicle D-pillar back door hinge installation structure and method, which has greatly improved the rigidity and fatigue resistance of the back door hinge installation point compared with the existing hinge installation structure.

[0005] To achieve the above purpose, the present invention designs a hinge installation structure for a back door of a VAN vehicle D-pillar. A hinge support assembly is fixed on the inner wall of the D-pillar, the hinge support assembly includes a hinge support ring, a mounting plate is fixed on the hinge support ring, a first through hole is provided on the D-pillar, and a hinge mounting hole corresponding to the through hole is provided on the mounting plate.

[0006] Preferably, the hinge support ring comprises a vertically arranged rectangular plate, and an upper annular plate and a lower annular plate arranged horizontally are fixed to both ends of the rectangular plate, and the upper annular plate and the lower annular plate are fixed to the inner wall of the D-pillar.

[0007] Preferably, the top edge of the upper annular plate is spaced apart with a first fixing plate, a second fixing plate, a third fixing plate for fixing the hinge mounting plate and a fourth fixing plate welded to the inner wall of the D-pillar; the bottom edge of the lower annular plate is spaced apart with a fifth fixing plate, a sixth fixing plate, a seventh fixing plate for fixing the hinge mounting plate and an eighth fixing plate welded to the inner wall of the D-pillar.

[0008] Preferably, a D-pillar supporting convex plate is fixed between the rectangular plate and the inner wall of the D-pillar.

[0009] Preferably, an expansion rubber layer is provided on the boss of the D-pillar supporting convex plate.

[0010] Preferably, the D-pillar comprises a D-pillar outer panel and a D-pillar inner panel, the D-pillar outer panel and the D-pillar inner panel are fixedly connected via a D-pillar connecting plate, and a through hole is provided on the D-pillar outer panel.

[0011] Preferably, a reinforcing plate is attached to the mounting plate, and a second through hole corresponding to the mounting hole is provided on the reinforcing plate.

[0012] The present invention also provides a method for installing a D-pillar back door hinge of a VAN vehicle. The installation method is implemented based on the VAN vehicle D-pillar back door hinge installation structure and includes the following steps:

[0013] Step S1, weld the mounting plate to the hinge support ring through the first fixing plate, the second fixing plate, the third fixing plate, the fifth fixing plate, the sixth fixing plate, the seventh fixing plate and the welding plate on the hinge support ring; weld the D-pillar support convex plate to the rectangular plate to assemble into a hinge support assembly.

[0014] Step S2, welding the hinge support assembly to the inner wall of the D-pillar, fixing the hinge support assembly to the inner wall of the D-pillar inner plate through the fourth fixing plate and the eighth fixing plate, and welding the hinge support assembly to the inner wall of the D-pillar outer plate through the D-pillar support convex plate.

[0015] Step S3: Weld the D-pillar outer panel to the D-pillar inner panel via the D-pillar connecting plate to form the D-pillar.

[0016] Preferably, in step S1, a reinforcing plate is welded on the inner wall of the mounting plate so that the mounting hole is aligned with the second through hole.

[0017] Preferably, in the step S1, expansion glue is pre-coated on the boss of the D-pillar supporting boss.

[0018] Beneficial effects of the present invention:

[0019] The present invention is installed to the inner wall of the D-pillar through a hinge support assembly. This structure can not only effectively increase the structural rigidity and fatigue resistance of the tailgate hinge installation structure, but also greatly improve the surface rigidity of the D-pillar, thereby improving the overall structural rigidity of the D-pillar, thereby improving the performance of the entire vehicle body and improving the reliability of the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of the D-pillar back door hinge installation structure of the present invention;

[0021] Figure 2 A three-dimensional diagram of the D-pillar back door hinge installation structure of the present invention from another perspective;

[0022] Figure 3 is a three-dimensional diagram of the hinge support assembly of the present invention;

[0023] Figure 4 for Figure 3Explosion effect diagram;

[0024] Figure 5 A three-dimensional diagram of the hinge support assembly of the present invention from another perspective;

[0025] Figure 6 is a three-dimensional diagram of the hinge support ring of the present invention;

[0026] Figure 7 It is a structural diagram of the front side of the mounting plate of the present invention;

[0027] Figure 8 It is a structural diagram of the back side of the mounting plate of the present invention;

[0028] Fig. 9 for Figure 8 Explosion effect diagram;

[0029] Fig.10 The figure is a flow chart of the D-pillar back door hinge installation method of the present invention.

[0030] Reference numerals:

[0031] 1D column, 11 first through hole, 12D column outer plate, 13D column inner plate, 14D column connecting plate,

[0032] 2 hinge support ring, 21 rectangular plate, 22 upper annular plate, 221 first fixed plate, 222 second fixed plate, 223 third fixed plate, 224 fourth fixed plate, 23 lower annular plate, 231 fifth fixed plate, 232 sixth fixed plate, 233 seventh fixed plate, 234 eighth fixed plate,

[0033] 3 mounting plate, 31 hinge mounting hole, 32 welding plate

[0034] 4D columns support convex panels,

[0035] 5 reinforcing plate, 51 second through hole. DETAILED DESCRIPTION

[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0037] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0038] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] References to "one embodiment" or "some embodiments" etc. described in the specification of this application mean that one or more embodiments of the present application include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the statements "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear in different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways.

[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0042] Example 1

[0043] like Figures 1 to 9 A VAN vehicle D-pillar back door hinge mounting structure is shown, a hinge support assembly is fixed on the inner wall of the D-pillar 1, the hinge support assembly includes a hinge support ring 2, a mounting plate 3 is fixed on the hinge support ring 2, a first through hole 11 is provided on the D-pillar 1, and the mounting plate 3 is provided with a hinge mounting hole 31 corresponding to the through hole 11.

[0044] The hinge support ring 2 includes a vertically arranged rectangular plate 21, and the two ends of the rectangular plate 21 are fixed with a horizontally arranged upper annular plate 22 and a lower annular plate 23, and the upper annular plate 22 and the lower annular plate 23 are fixed on the inner wall of the D-pillar 1. A D-pillar support convex plate 4 is fixed between the rectangular plate 21 and the inner wall of the D-pillar 1. An expansion rubber layer is provided on the boss of the D-pillar support convex plate 4. The D-pillar 1 includes a D-pillar outer plate 12 and a D-pillar inner plate 13, and the D-pillar outer plate 12 and the D-pillar inner plate 13 are fixedly connected by a D-pillar connecting plate 14, and a through hole 11 is provided on the D-pillar outer plate 12. A reinforcing plate 5 is attached to the mounting plate 3, and a second through hole 51 corresponding to the mounting hole 31 is provided on the reinforcing plate 5.

[0045] The top edge of the upper annular plate 22 is spaced apart with a first fixing plate 221, a second fixing plate 222, a third fixing plate 223 for fixing the hinge mounting plate 3 and a fourth fixing plate 224 welded to the inner wall of the D-pillar 1; the bottom edge of the lower annular plate 23 is spaced apart with a fifth fixing plate 231, a sixth fixing plate 232, a seventh fixing plate 233 for fixing the hinge mounting plate 3 and an eighth fixing plate 234 welded to the inner wall of the D-pillar 1.

[0046] Example 2

[0047] like Fig.10 A method for installing a D-pillar back door hinge of a VAN vehicle is shown. The installation method is implemented based on the VAN vehicle D-pillar back door hinge installation structure of Example 1, and is characterized in that it includes the following steps:

[0048] Step S1, weld the mounting plate 3 to the hinge support ring 2 through the first fixing plate 221, the second fixing plate 222, the third fixing plate 223, the fifth fixing plate 231, the sixth fixing plate 232, the seventh fixing plate 233 and the welding plate 32 on the hinge support ring 2; weld the D-pillar support convex plate 4 to the rectangular plate 21 to assemble the hinge support assembly. Weld the reinforcing plate 5 on the inner wall of the mounting plate 3 so that the mounting hole 31 is aligned with the second through hole 51. Pre-coat the expansion glue on the boss of the D-pillar support convex plate 4.

[0049] Step S2, weld the hinge support assembly to the inner wall of the D-pillar 1, fix the hinge support assembly to the inner wall of the D-pillar inner plate 13 through the fourth fixing plate 224 and the eighth fixing plate 234, and weld it to the inner wall of the D-pillar outer plate 12 through the D-pillar support convex plate 4.

[0050] Step S3 , welding the D-pillar outer panel 12 to the D-pillar inner panel 13 via the D-pillar connecting plate 14 to form the D-pillar 1 .

[0051] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A D-pillar back door hinge mounting structure for a van vehicle, comprising a D-pillar (1), characterized in that: A hinge support assembly is fixed on the inner wall of the D-pillar (1), the hinge support assembly comprises a hinge support ring (2), a mounting plate (3) is fixed on the hinge support ring (2), a first through hole (11) is provided on the D-pillar (1), and the mounting plate (3) is provided with a hinge mounting hole (31) corresponding to the through hole (11).

2. The D-pillar back door hinge installation structure of a VAN vehicle according to claim 1, characterized in that: The hinge support ring (2) comprises a vertically arranged rectangular plate (21), and a horizontally arranged upper annular plate (22) and a lower annular plate (23) are fixed at both ends of the rectangular plate (21), and the upper annular plate (22) and the lower annular plate (23) are fixed on the inner wall of the D-pillar (1).

3. The D-pillar back door hinge installation structure of a VAN vehicle according to claim 2, characterized in that: The top edge of the upper annular plate (22) is provided with a first fixing plate (221), a second fixing plate (222), a third fixing plate (223) for fixing the hinge mounting plate (3), and a fourth fixing plate (224) welded to the inner wall of the D-pillar (1); the bottom edge of the lower annular plate (23) is provided with a fifth fixing plate (231), a sixth fixing plate (232), a seventh fixing plate (233) for fixing the hinge mounting plate (3), and an eighth fixing plate (234) welded to the inner wall of the D-pillar (1).

4. The D-pillar back door hinge installation structure of a VAN vehicle according to claim 2, characterized in that: A D-pillar supporting convex plate (4) is fixed between the rectangular plate (21) and the inner wall of the D-pillar (1).

5. The D-pillar back door hinge installation structure of a VAN vehicle according to claim 4, characterized in that: An expansion rubber layer is provided on the boss of the D-pillar supporting boss plate (4).

6. The D-pillar back door hinge installation structure of a VAN vehicle according to claim 1, characterized in that: The D-pillar (1) comprises a D-pillar outer plate (12) and a D-pillar inner plate (13), the D-pillar outer plate (12) and the D-pillar inner plate (13) are fixedly connected via a D-pillar connecting plate (14), and a through hole (11) is provided on the D-pillar outer plate (12).

7. The D-pillar back door hinge installation structure of a VAN vehicle according to claim 1, characterized in that: A reinforcing plate (5) is attached to the mounting plate (3), and a second through hole (51) corresponding to the mounting hole (31) is provided on the reinforcing plate (5).

8. A method for installing a D-pillar back door hinge of a VAN vehicle, the method being implemented based on the VAN vehicle D-pillar back door hinge installation structure according to any one of claims 1 to 7, characterized in that: The steps include: Step S1, welding the mounting plate (3) to the hinge support ring (2) through the first fixing plate (221), the second fixing plate (222), the third fixing plate (223), the fifth fixing plate (231), the sixth fixing plate (232), the seventh fixing plate (233) and the welding plate (32) on the hinge support ring (2); welding the D-pillar support convex plate (4) to the rectangular plate (21) to assemble into a hinge support assembly. Step S2, welding the hinge support assembly to the inner wall of the D-pillar (1), fixing the hinge support assembly to the inner wall of the D-pillar inner plate (13) through the fourth fixing plate (224) and the eighth fixing plate (234), and welding the hinge support assembly to the inner wall of the D-pillar outer plate (12) through the D-pillar support convex plate (4). Step S3: welding the D-pillar outer plate (12) to the D-pillar inner plate (13) via the D-pillar connecting plate (14) to form the D-pillar (1).

9. The method for installing a D-pillar back door hinge of a VAN vehicle according to claim 8, characterized in that: In the step S1, a reinforcing plate (5) is welded onto the inner wall of the mounting plate (3) so that the mounting hole (31) is aligned with the second through hole (51).

10. The method for installing a D-pillar back door hinge of a VAN vehicle according to claim 8, characterized in that: In the step S1, expansion glue is pre-coated on the boss of the D-pillar supporting boss plate (4).

Citation Information

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