Inner plate connecting structure in A column

By using a combined design of alloy steel reinforcement plate, montmorillonite drying layer and stainless steel anti-corrosion layer in the inner plate connection structure in the A-pillar, the problems of low strength, insufficient protection and inconvenient disassembly are solved, and the high strength, corrosion protection and easy disassembly of the structure are achieved.

CN223131978UActive Publication Date: 2025-07-22CHANGCHUN HUATENG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422610683.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-07-22
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The internal plate connection structure in the existing A-pillar has low strength, weak external infringement protection ability, easy to corrode, and inconvenient to disassemble, which affects service life and work efficiency.

Method used

The combined structure of the installation plate, waterproof plate, the first reinforcement plate, the first anti-corrosion layer, the wear-resistant layer, the drying layer, the second reinforcement plate and the second anti-corrosion layer is adopted. The reinforcement plate made of alloy steel is used to improve the strength, the dry layer made of montmorillonite is kept dry, the anti-corrosion layer made of galvanized steel plate and the anti-corrosion layer made of stainless steel is enhanced, and the disassembly is facilitated through the design of the connecting plate and fixing bolts.

Benefits of technology

It improves the strength and corrosion resistance of the inner plate in the A-pillar, extends the service life, and is easy to disassemble, enhancing the stability and installation efficiency of the structure.

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  • Figure CN223131978U_ABST
    Figure CN223131978U_ABST
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Abstract

The utility model relates to the technical field of automobiles, in particular to an A column middle inner plate connecting structure which comprises a mounting plate, a waterproof plate fixedly connected to the side face of the mounting plate, a first reinforcing plate fixedly connected to the side face of the waterproof plate, a first anti-corrosion layer fixedly connected to the side face of the first reinforcing plate, and a wear-resisting layer fixedly connected to the side face of the first anti-corrosion layer. The side surface of the mounting plate is fixedly connected with a drying layer, the position of the drying layer is opposite to the position of the waterproof plate, the side surface of the drying layer is fixedly connected with a second reinforcing plate, and the side surface of the second reinforcing plate is fixedly connected with a second anti-corrosion layer. Due to the fact that the first reinforcing plate and the second reinforcing plate are arranged on the two sides of the mounting plate respectively and are both made of alloy steel, the strength of the mounting plate is improved, the mounting plate can be kept dry through the drying layer and the waterproof layer, the mounting plate is prevented from being corroded and rusted, and the service life is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, and particularly relates to a connecting structure of the inner panel of an A-pillar. Background Technique

[0002] The structure of the automobile A-pillar is an important supporting and stress-bearing component. Since the A-pillar is close to the front wheel, road excitation is easily transmitted to the vehicle interior through the paths of the wheel, suspension, vehicle body, and A-pillar. If the local stiffness and mode of the A-pillar are weak and close to the road excitation frequency, it is very easy to resonate with the external excitation, and then amplify the excitation, resulting in vehicle interior rumbling or instrument tremor, affecting the passenger experience. Among them, the connection of the inner panel in the A-pillar also plays a key role.

[0003] In the prior art, such as: CN220053707U, a connecting structure between the BDC of an automobile and the inner panel of the A-pillar, by arranging a connecting bracket between the BDC of the automobile and the inner panel of the A-pillar, making up for the surface difference of the inner panel of the A-pillar in the Y direction, and not requiring a boss for connecting with the BDC of the automobile to be arranged on the inner panel of the A-pillar, thereby reducing the risk of cracking during the stamping forming of the inner panel of the A-pillar and reducing the production difficulty.

[0004] However, there are still certain deficiencies in the use of this structure. The strength of the inner panel is low during use, and it is easy to be damaged by the outside world. The protection ability of the outer surface is weak, and it is easy to be corroded by the outside world, thereby reducing the service life. At the same time, after the inner panel is installed, it is still not convenient to disassemble, thus reducing the work efficiency. Content of the Utility Model

[0005] The purpose of the utility model is to provide a connecting structure of the inner panel of an A-pillar, so as to solve the problems put forward in the above background technique that the strength of the inner panel is low during use, it is easy to be damaged by the outside world, the protection ability of the outer surface is weak, it is easy to be corroded by the outside world, thereby reducing the service life, and at the same time, after the inner panel is installed, it is still not convenient to disassemble, thus reducing the work efficiency.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A connecting structure of the inner panel of an A-pillar, including a mounting plate, a waterproof plate is fixedly connected to the side surface of the mounting plate, a first reinforcing plate is fixedly connected to the side surface of the waterproof plate, a first anti-corrosion layer is fixedly connected to the side surface of the first reinforcing plate, a wear-resistant layer is fixedly connected to the side surface of the first anti-corrosion layer, a drying layer is fixedly connected to the side surface of the mounting plate, the drying layer is opposite to the waterproof plate in position, a second reinforcing plate is fixedly connected to the side surface of the drying layer, a second anti-corrosion layer is fixedly connected to the side surface of the second reinforcing plate, and the waterproof plate and the drying layer are respectively located on both sides of the mounting plate.

[0008] As a preferred embodiment of the present utility model, a connecting plate is provided at the end of the mounting plate. A connecting groove is formed at the bottom of the connecting plate. The end of the mounting plate extends into the connecting groove and is slidably connected to the connecting groove. Mounting holes are formed on the side surface of the connecting plate, and fixing bolts are provided on the side surface of the connecting plate. The fixing bolts are located on the side of the mounting holes.

[0009] As a preferred embodiment of the present utility model, the fixing bolts penetrate through the connecting plate and extend into the mounting plate, and the fixing bolts are threadedly connected to the connecting plate.

[0010] As a preferred embodiment of the present utility model, mounting grooves are formed at the edge of the side surface of the mounting plate, and guiding holes are formed on the side surface of the mounting plate.

[0011] As a preferred embodiment of the present utility model, the first reinforcing plate and the second reinforcing plate have the same thickness, and the materials of the first reinforcing plate and the second reinforcing plate are both alloy steel.

[0012] As a preferred embodiment of the present utility model, the material of the drying layer is montmorillonite, the material of the waterproof plate is galvanized steel sheet, and the material of the wear-resistant layer is high manganese alloy steel.

[0013] As a preferred embodiment of the present utility model, the first anti-corrosion layer and the second anti-corrosion layer have the same thickness, and the materials of the first anti-corrosion layer and the second anti-corrosion layer are both stainless steel.

[0014] As a preferred embodiment of the present utility model, two connecting plates are provided. The two connecting plates are respectively located at both ends of the mounting plate, and the outer surfaces of the two connecting plates are coated with anti-corrosion materials.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. In the present utility model, through the combined use of the mounting plate, the first reinforcing plate, the wear-resistant layer, the drying layer and the second anti-corrosion layer, since the first reinforcing plate and the second reinforcing plate are respectively provided on both sides of the mounting plate, and the materials of both are alloy steel, the strength of the mounting plate is improved. The drying layer and the waterproof layer can keep the mounting plate dry, and at the same time, the first anti-corrosion layer and the second anti-corrosion layer improve the anti-corrosion ability of the mounting plate, thereby avoiding the corrosion and rust of the mounting plate, and thus improving the service life of the mounting plate.

[0017] 2. In the present utility model, through the combined use of the connecting plate, the fixing bolt, the mounting groove and the mounting hole, since the end of the mounting plate extends into the mounting groove and is slidably connected to the mounting groove, it is convenient to disassemble the mounting plate. Through the cooperation of the mounting hole and the fixing bolt, the mounting plate can be connected to other structures, improving the stability. Description of the Drawings

[0018] Figure 1 This is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 This is a schematic diagram of the side structure of the mounting plate of the present utility model;

[0020] Figure 3 This is a schematic diagram of the protective structure of the mounting plate of the present utility model;

[0021] Figure 4 This is a schematic diagram of the side structure of the connecting plate of the present utility model.

[0022] In the figure: 1, mounting plate; 2, mounting groove; 3, guiding hole; 4, connecting plate; 5, mounting hole; 6, fixing bolt; 7, waterproof plate; 8, first reinforcing plate; 9, first anti-corrosion layer; 10, wear-resistant layer; 11, drying layer; 12, second reinforcing plate; 13, second anti-corrosion layer; 14, connecting groove. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0024] Embodiment, please refer to Figures 1 - 4 , the present utility model provides a technical solution:

[0025] A connecting structure for the inner panel of the A-pillar includes a mounting plate 1. A waterproof plate 7 is fixedly connected to the side of the mounting plate 1. A first reinforcing plate 8 is fixedly connected to the side of the waterproof plate 7. A first anti-corrosion layer 9 is fixedly connected to the side of the first reinforcing plate 8. A wear-resistant layer 10 is fixedly connected to the side of the first anti-corrosion layer 9. A drying layer 11 is fixedly connected to the side of the mounting plate 1. The drying layer 11 is opposite to the waterproof plate 7 in position. A second reinforcing plate 12 is fixedly connected to the side of the drying layer 11. A second anti-corrosion layer 13 is fixedly connected to the side of the second reinforcing plate 12. The waterproof plate 7 and the drying layer 11 are respectively located on both sides of the mounting plate 1. The first reinforcing plate 8 and the second reinforcing plate 12 have the same thickness. The materials of the first reinforcing plate 8 and the second reinforcing plate 12 are both alloy steel. The material of the drying layer 11 is montmorillonite. The material of the waterproof plate 7 is galvanized steel sheet. The material of the wear-resistant layer 10 is high manganese alloy steel. The first anti-corrosion layer 9 and the second anti-corrosion layer 13 have the same thickness. The materials of the first anti-corrosion layer 9 and the second anti-corrosion layer 13 are both stainless steel. Two connecting plates 4 are provided. The two connecting plates 4 are respectively located at both ends of the mounting plate 1. Anti-corrosion materials are coated on the outer surfaces of the two connecting plates 4.

[0026] Among them, since the materials of the first reinforcing plate 8 and the second reinforcing plate 12 are both alloy steel, the strength of the mounting plate 1 is improved. The mounting plate 1 can be kept dry through the drying layer 11 and the waterproof plate 7. At the same time, the first anti-corrosion layer 9 and the second anti-corrosion layer 13 improve the anti-corrosion ability of the mounting plate 1, thereby avoiding corrosion and rust of the mounting plate 1, and thus improving the service life of the mounting plate 1.

[0027] In this embodiment, according to Figure 1 , Figure 2 , Figure 3 and Figure 4 as shown, a connecting plate 4 is provided at the end of the mounting plate 1. A connecting groove 14 is formed at the bottom of the connecting plate 4. The end of the mounting plate 1 extends into the connecting groove 14 and is slidably connected to the connecting groove 14. Mounting holes 5 are formed on the side surface of the connecting plate 4. A fixing bolt 6 is provided on the side surface of the connecting plate 4. The fixing bolt 6 is located on the side of the mounting hole 5. The fixing bolt 6 penetrates through the connecting plate 4 and extends into the mounting plate 1. The fixing bolt 6 is threadedly connected to the connecting plate 4. Mounting grooves 2 are formed at the side edge of the mounting plate 1. Guide holes 3 are formed on the side surface of the mounting plate 1.

[0028] Among them, the end of the mounting plate 1 extends into the connecting groove 14 and is slidably connected to the connecting groove 14, so as to facilitate the disassembly of the mounting plate 1. The mounting plate 1 can be connected to other structures through the cooperation of the mounting holes 5 and the fixing bolts 6. At the same time, two connecting plates 4 are provided, and the two connecting plates 4 are respectively located at both ends of the mounting plate 1, improving the stability.

[0029] The working process of the present utility model: When the inner panel connection structure of the A-pillar designed by this solution is working, first check whether the structure is in normal use. The mounting plate 1 is installed in a suitable working area through the connecting plate 4. Since the first reinforcing plate 8, the first anti-corrosion layer 9, the wear-resistant layer 10, the drying layer 11, the second reinforcing plate 12 and the second anti-corrosion layer 13 are respectively provided on both sides of the mounting plate 1, the strength and service life of the mounting plate 1 are improved. Since the materials of the first reinforcing plate 8 and the second reinforcing plate 12 are both alloy steel, the strength of the mounting plate 1 is improved. The mounting plate 1 can be kept dry through the drying layer 11 and the waterproof plate 7. At the same time, the first anti-corrosion layer 9 and the second anti-corrosion layer 13 improve the anti-corrosion ability of the mounting plate 1, thereby avoiding corrosion and rust of the mounting plate 1, and thus improving the service life of the mounting plate 1. Since the end of the mounting plate 1 extends into the connecting groove 14 and is slidably connected to the connecting groove 14, it is convenient to disassemble the mounting plate 1. The mounting plate 1 can be connected to other structures through the cooperation of the mounting holes 5 and the fixing bolts 6. At the same time, two connecting plates 4 are provided, and the two connecting plates 4 are respectively located at both ends of the mounting plate 1, improving the stability.

[0030] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A connection structure for the inner panel of the A-pillar, comprising a mounting plate (1), characterized in that: A waterproof plate (7) is fixedly connected to the side of the mounting plate (1). A first reinforcing plate (8) is fixedly connected to the side of the waterproof plate (7). A first anti-corrosion layer (9) is fixedly connected to the side of the first reinforcing plate (8). A wear-resistant layer (10) is fixedly connected to the side of the first anti-corrosion layer (9). A drying layer (11) is fixedly connected to the side of the mounting plate (1). The drying layer (11) is opposite to the waterproof plate (7) in position. A second reinforcing plate (12) is fixedly connected to the side of the drying layer (11). A second anti-corrosion layer (13) is fixedly connected to the side of the second reinforcing plate (12). The waterproof plate (7) and the drying layer (11) are respectively located on both sides of the mounting plate (1).

2. The inner A-pillar connection structure according to claim 1, wherein: A connecting plate (4) is provided at the end of the mounting plate (1). A connecting groove (14) is formed at the bottom of the connecting plate (4). The end of the mounting plate (1) extends into the connecting groove (14) and is slidably connected to the connecting groove (14). Mounting holes (5) are formed in the side of the connecting plate (4). A fixing bolt (6) is provided on the side of the connecting plate (4). The fixing bolt (6) is located on the side of the mounting hole (5).

3. The connection structure of the inner panel of the A-pillar according to claim 2, characterized in that: The fixing bolt (6) penetrates through the connecting plate (4) and extends into the mounting plate (1). The fixing bolt (6) is threadedly connected to the connecting plate (4).

4. The inner A-pillar connection structure according to claim 1, characterized in that: Mounting grooves (2) are formed at the side edges of the mounting plate (1). Guide holes (3) are formed in the side of the mounting plate (1).

5. A connection structure of the inner panel of the A-pillar according to claim 1, characterized in that: The first reinforcing plate (8) and the second reinforcing plate (12) have the same thickness. The materials of the first reinforcing plate (8) and the second reinforcing plate (12) are both alloy steel.

6. The inner A-pillar connection structure according to claim 1, characterized in that: The material of the drying layer (11) is montmorillonite. The material of the waterproof plate (7) is galvanized steel sheet. The material of the wear-resistant layer (10) is high manganese alloy steel.

7. The inner A-pillar connection structure according to claim 1, characterized in that: The first anti-corrosion layer (9) and the second anti-corrosion layer (13) have the same thickness. The materials of the first anti-corrosion layer (9) and the second anti-corrosion layer (13) are both stainless steel.

8. The connection structure of the inner panel of the A-pillar according to claim 2, characterized in that: There are two connecting plates (4). The two connecting plates (4) are respectively located at both ends of the mounting plate (1). Anti-corrosion materials are coated on the outer surfaces of the two connecting plates (4).

Citation Information

Patent Citations

  • Connecting structure for BDC and A column middle inner plate of automobile

    CN220053707U