D column joint reinforcing structure

Abstract

The utility model discloses a D column joint reinforcing structure, and belongs to the technical field of automobile bodies. The side wall structure comprises a side wall outer plate, the rear wall outer plate is welded at the rear end of the side wall outer plate; the body-in-white framework reinforcing structure comprises a side wall assembly reinforcing structure A and a rear wall assembly reinforcing structure B. The side wall assembly reinforcing structure A and the rear wall assembly reinforcing structure B are welded to the inner side of the side wall outer plate and the inner side of the rear wall outer plate correspondingly, and a continuous structure cavity is formed by the side wall assembly reinforcing structure A, the rear wall assembly reinforcing structure B and the rear wall outer plate. According to the utility model, the body-in-white framework reinforcing structure, the side wall outer plate and the rear wall outer plate form a continuous structure cavity, so that the problem that an effective continuous closed cavity is not formed at the joint of the side wall assembly D column and the rear wall assembly of the three-compartment sedan is effectively solved; the D-column joint reinforcing structure not only improves the overall torsional rigidity and modality of the vehicle body and ensures the continuity of the vehicle body structure, but also provides a mounting position for the electric stay bar of the rear trunk.

Description

Technical Field

[0001] This utility model relates to the field of automotive body technology, and in particular to a reinforcement structure for the D-pillar joint of a three-box sedan body. Background Technology

[0002] The D-pillar joint structure is one of the important joint structures in a car body. In common sedans, the connection between the side panel assembly and the rear panel assembly at the D-pillar joint is a single-layer plate connection (e.g., ...). Figure 1 (As shown in the three models a1, a2, and a3), this results in the absence of an effective continuous closed cavity at the rear of the vehicle body, which to some extent affects the body stiffness and modal characteristics;

[0003] Therefore, in view of the above problems, it is necessary for this utility model to provide a continuous D-column joint reinforcement structure. Utility Model Content

[0004] The purpose of this utility model is to overcome the defects of the existing technology and provide a D-pillar joint reinforcement structure to solve the problem that an effective continuous closed cavity is not formed at the connection between the D-pillar and the rear assembly of a sedan side assembly.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] This utility model discloses a D-pillar joint reinforcement structure, comprising:

[0007] Side outer panels;

[0008] The rear outer panel welded to the rear end of the side outer panel; and

[0009] The body-in-white frame reinforcement structure includes a side panel assembly reinforcement structure A and a rear panel assembly reinforcement structure B. The side panel assembly reinforcement structure A and the rear panel assembly reinforcement structure B are respectively welded to the inner side of the side panel outer plate and the rear panel outer plate and form a continuous structural cavity with them.

[0010] Furthermore, the side panel assembly reinforcement structure A includes a rear drainage channel assembly reinforcement structure, which is used to weld with the side panel outer plate to form the side panel outer plate assembly reinforcement structure.

[0011] Furthermore, it also includes a side rear connecting plate assembly reinforcement structure, which has a side rear connecting plate and a rear inner plate connecting plate welded to the lower part of the side rear connecting plate.

[0012] The side panel connecting plate, the rear panel connecting plate, and the rear drainage channel assembly reinforcement structure are welded with luggage compartment electric support rod reinforcement plates.

[0013] Furthermore, the rear bulkhead assembly reinforcement B includes the rear bulkhead outer panel and the rear bulkhead inner panel, the rear bulkhead inner panel being welded to the inner side of the rear bulkhead outer panel, and its end being welded to the connecting plate of the rear bulkhead inner panel.

[0014] Furthermore, the rear panel extension plate is welded to the top of the side panel rear panel connecting plate.

[0015] Furthermore, the rear water channel assembly reinforcement structure includes a rear taillight mounting plate and a lower section of the rear water channel welded to the lower part of the rear taillight mounting plate;

[0016] The rear taillight mounting plate is welded to the side panel connecting plate of the rear side panel and the luggage compartment electric support rod reinforcement plate, and the lower section of the rear water channel is welded to the rear inner panel connecting plate.

[0017] In the above technical solution, the D-pillar joint reinforcement structure provided by this utility model has the following advantages:

[0018] The D-pillar joint reinforcement structure designed in this utility model has a body-in-white frame reinforcement structure welded to the inner side of the side outer panel and the rear outer panel. The body-in-white frame reinforcement structure includes a side assembly reinforcement structure A and a rear assembly reinforcement structure B. The side assembly reinforcement structure A and the rear assembly reinforcement structure B are connected to the rear cargo board extension plate and the rear inner panel connection plate via the side rear panel connecting plate to form a completely continuous structural cavity. In CAE analysis, the degrees of freedom of the center of the left / right rear shock absorbers of the body-in-white are constrained respectively. Z-direction MPC constraints are applied to the mounting holes of the left / right front shock absorbers. Then, a +Z-direction load is applied to the right front shock absorber. Compared with the single-layer plate D-pillar without cavity connection structure in other existing models, the torsional stiffness and modal characteristics of the body-in-white are greatly improved in this respect. This D-pillar joint reinforcement structure not only improves the overall torsional stiffness and modal characteristics of the body and ensures the continuity of the body structure, but also provides an installation position for the rear luggage compartment electric strut. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0020] Figure 1 This is a schematic diagram of the D-pillar position structure in existing vehicle technologies;

[0021] Figure 2 This is a schematic diagram of a D-column joint reinforcement structure disclosed in this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Side panel outer panel; 2. Rear taillight mounting plate; 3. Lower section of rear drainage channel; 4. Rear cargo panel extension plate; 5. Side panel rear panel connecting plate; 6. Luggage compartment electric support rod reinforcement plate; 7. Rear panel inner panel connecting plate; 8. Rear panel outer panel; 9. Rear panel inner panel. Detailed Implementation

[0024] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0025] See Figure 1 As shown;

[0026] A utility model discloses a D-pillar joint reinforcement structure, comprising: a side outer panel 1, a rear outer panel 8 welded to the rear end of the side outer panel 1, and a body-in-white frame reinforcement structure;

[0027] The body-in-white frame reinforcement structure includes a side panel assembly reinforcement structure A and a rear panel assembly reinforcement structure B. The side panel assembly reinforcement structure A and the rear panel assembly reinforcement structure B are welded to the inner side of the side panel outer plate 1 and the rear panel outer plate 8, respectively, and form a continuous structural cavity with them, thereby effectively improving the torsional stiffness of the body and the deformation resistance of the rear trunk door opening, and meeting the performance requirements of the arrangement and installation points of components such as the rear trunk electric strut.

[0028] Preferably, the side panel assembly reinforcement structure A includes a rear drainage channel assembly reinforcement structure, which is used to weld with the side panel outer plate 1 to form the side panel outer plate assembly reinforcement structure.

[0029] The side panel assembly reinforcement structure A also includes a side panel rear connecting plate assembly reinforcement structure;

[0030] The side panel rear connecting plate assembly reinforcement structure includes a side panel rear connecting plate 5, a rear inner panel connecting plate 7 welded to the lower part of the side panel rear connecting plate 5, and a luggage compartment electric strut reinforcement plate 6.

[0031] The side panel and rear panel connecting plate 5, the rear inner panel connecting plate 7, and the rear drainage channel assembly reinforcement structure are welded with luggage compartment electric support rod reinforcement plate 6. That is to say, the luggage compartment electric support rod is installed by providing mounting points through the side panel and rear panel connecting plate 5, the rear inner panel connecting plate 7, and the rear drainage channel assembly reinforcement structure.

[0032] Preferably, the rear bulkhead assembly reinforcement B includes a rear bulkhead outer panel 8 and a rear bulkhead inner panel 9. The rear bulkhead inner panel 9 is welded to the inner side of the rear bulkhead outer panel 8, and its end is welded to the rear bulkhead inner panel connecting plate 7.

[0033] Preferably, the D-pillar joint reinforcement structure also includes a rear panel extension plate 4, and the top of the side panel rear panel connecting plate 5 is welded to the rear panel extension plate 4.

[0034] The rear drainage channel assembly reinforcement structure includes a rear taillight mounting plate 2 and a lower section 3 of the rear drainage channel welded to the lower part of the rear taillight mounting plate 2. The side of the rear taillight mounting plate 2 is welded to the side rear panel connecting plate 5 and the luggage compartment electric strut reinforcement plate 6, and the side of the lower section 3 of the rear drainage channel is welded to the rear inner panel connecting plate 7.

[0035] In the above technical solution, the present invention provides a D-pillar joint reinforcement structure. The D-pillar joint reinforcement structure connects the rear cargo board extension plate 4, the rear inner panel connecting plate 7 and the rear inner panel 9 through the side rear panel connecting plate 5 to form a completely continuous structural cavity, which effectively improves the torsional stiffness of the vehicle body and the deformation resistance of the rear trunk door opening, and meets the performance requirements of the arrangement and installation points of components such as the rear trunk electric strut.

[0036] The above description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A D-pill joint reinforcement structure characterized by, Comprise: a side outer panel (1); a rear outer panel (8) welded to the rear end of the side outer panel (1); and a body-in-white skeleton reinforcing structure comprising a side assembly reinforcing structure A and a rear assembly reinforcing structure B, which are respectively welded to the inner sides of the side outer panel (1) and the rear outer panel (8) and form a continuous structure cavity.

2. The D-pillar joint reinforcing structure according to claim 1, wherein: the side assembly reinforcing structure A comprises a rear gutter assembly reinforcing structure for welding with the side outer panel (1) to form a side outer panel assembly reinforcing structure. Further comprising a side rear connecting plate assembly reinforcing structure having a side rear panel connecting plate (5) and a rear inner panel connecting plate (7) welded to the lower part of the side rear panel connecting plate (5); 3. The D-pillar joint reinforcement structure according to claim 2, characterized by ； the side rear panel connecting plate (5), the rear inner panel connecting plate (7), and the rear gutter assembly reinforcing structure are welded with a trunk electric support rod reinforcing plate (6). the rear assembly reinforcing structure B comprises the rear outer panel (8) and a rear inner panel (9) welded to the inner side of the rear outer panel (8) and welded at the end with the rear inner panel connecting plate (7).

4. The D-pillar joint reinforcement structure according to claim 3, characterized by ； a rear luggage plate extension plate (4) welded at the top end of the side rear panel connecting plate (5).

5. The D-pillar joint reinforcement structure according to claim 3, characterized by ； 6. The D-pillar joint reinforcing structure according to claim 3, wherein: the rear gutter assembly reinforcing structure comprises a rear tail lamp mounting plate (2) and a rear gutter lower section (3) welded to the lower part of the rear tail lamp mounting plate (2); wherein the side of the rear tail lamp mounting plate (2) is welded with the side rear panel connecting plate (5) and the trunk electric support rod reinforcing plate (6), and the side of the rear gutter lower section (3) is welded with the rear inner panel connecting plate (7). ​

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