Automobile A column structure

Abstract

The utility model relates to the technical field of automobile A columns, in particular to an automobile A column structure which comprises an inner protective shell, an outer protective shell and an outer protective shell. A reinforcing plate is arranged in the outer protective shell and makes contact with a high-strength plate, an outer energy absorption box is arranged on the high-strength plate, a limiting hole is formed in the high-strength plate, a limiting column is arranged in the limiting hole and connected with an A column body, and a plurality of energy absorption plates are arranged on the A column body. The energy absorption device has the beneficial effects that when the outer protective shell is collided, the high-strength plates are extruded through the reinforcing plates, the high-strength plates can slide along the limiting columns when being extruded, the high-strength plates can extrude all the energy absorption plates, and therefore local extrusion borne by the high-strength plates can be transmitted to all the energy absorption plates; local impact force can be slowly released, the impact force on the side face of the A-column body is reduced, the bending resistance of the side face of the A-column body is improved, the using effect of the A-column body is improved, and the protection capacity of the side face of the A-column body is improved.

Description

Technical Field

[0001] This utility model relates to the field of automobile A-pillars, specifically an automobile A-pillar structure. Background Technology

[0002] The A-pillar of a car is the pillar located on either side of the windshield, between the front door and the hood. Its primary function is to support the roof structure and enhance body rigidity. It is crucial for vehicle safety, effectively absorbing impact forces and protecting passengers in the event of a collision.

[0003] In existing technologies, car A-pillars are typically made of high-strength steel, and the sides of the car A-pillars are relatively thin.

[0004] However, the existing A-pillars of cars have poor side impact protection capabilities. When the side of the A-pillar is hit, it is easy to bend, resulting in poor performance and weak side protection. Utility Model Content

[0005] The purpose of this invention is to provide an A-pillar structure for automobiles to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a car A-pillar structure, the car A-pillar structure comprising: an inner protective shell, wherein a rubber pad and energy-absorbing aluminum foam are disposed inside the inner protective shell;

[0007] The outer protective shell has a reinforcing plate inside it, which is in contact with a high-strength plate. An outer energy-absorbing box is installed on the high-strength plate. Limiting holes are opened on the high-strength plate, and limiting posts are installed in the limiting holes. The limiting posts are connected to the A-pillar body, and several energy-absorbing plates are installed on the A-pillar body.

[0008] Preferably, a plurality of energy-absorbing plates are fixedly connected to the main body of the A-pillar, the energy-absorbing plates are in contact with the high-strength plate, and a plurality of external energy-absorbing boxes and reinforcing columns are fixedly connected to the high-strength plate, the reinforcing columns being square plate-shaped structures.

[0009] Preferably, a plurality of connecting plates are fixedly connected to the high-strength plate. The connecting plates are square plate-shaped structures, and the other end of the connecting plates is fixedly connected to the A-pillar body.

[0010] Preferably, an inner protective shell is fixedly connected to the A-pillar body, a rubber pad is provided inside the inner protective shell, the rubber pad is fixedly connected to the inner protective shell, and energy-absorbing aluminum foam is provided inside the inner protective shell, with the energy-absorbing aluminum foam positioned between the rubber pad and the A-pillar body.

[0011] Preferably, a plurality of limiting posts are fixedly connected to the A-pillar body. The limiting posts are tubular in structure, with one end of each limiting post inserted into a limiting hole. The limiting posts can slide along the limiting hole, which is a circular groove.

[0012] Preferably, an outer protective shell is fixedly connected to the A-pillar body, and the cavity formed between the outer protective shell and the A-pillar body is filled with an inner sound insulation cotton filling layer. A reinforcing rib and a reinforcing plate are fixedly connected to the outer protective shell. The reinforcing plate has a triangular plate structure, and the other end face of the reinforcing plate is in contact with the surface of the high-strength plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The proposed A-pillar structure for automobiles, when the outer protective shell is impacted, uses a reinforcing plate to compress a high-strength plate. This high-strength plate, under pressure, slides along a limiting post, compressing the entire energy-absorbing plate. This process transfers the localized pressure on the high-strength plate to the entire energy-absorbing plate, mitigating localized impact force, reducing the impact on the side of the A-pillar, improving its bending resistance, and enhancing its overall performance and side protection. Furthermore, the energy-absorbing aluminum foam in the inner protective shell buffers fragments generated when the A-pillar breaks, and rubber pads further prevent these fragments from entering the passenger compartment and causing injury, thus improving the device's effectiveness. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the device structure of this utility model;

[0016] Figure 2 This is a partial cross-sectional view of the device of this utility model;

[0017] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0018] Figure 4 This is a schematic cross-sectional view of the device of this utility model;

[0019] Figure 5 for Figure 4 Enlarged structural diagram at point B;

[0020] Figure 6 This is a partial cross-sectional view of the device of this utility model;

[0021] Figure 7 for Figure 6 Enlarged structural diagram at point C.

[0022] In the diagram: 1. A-pillar main body; 2. Inner protective shell; 3. Rubber pad; 4. Energy-absorbing aluminum foam; 5. Outer protective shell; 6. Reinforcing rib; 7. Reinforcing plate; 8. High-strength plate; 9. Reinforcing column; 10. Outer energy-absorbing box;

[0023] 11. Connecting plate; 12. Limiting hole; 13. Limiting post; 14. Inner sound insulation cotton filling layer; 15. Energy absorption plate. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] Example 1

[0026] Please see Figures 1-7 This utility model provides a technical solution: an A-pillar structure for automobiles, the A-pillar structure comprising: an inner protective shell 2, wherein a rubber pad 3 and an energy-absorbing aluminum foam 4 are disposed inside the inner protective shell 2; an outer protective shell 5, wherein a reinforcing plate 7 is disposed inside the outer protective shell 5, the reinforcing plate 7 is in contact with a high-strength plate 8, an outer energy-absorbing box 10 is disposed on the high-strength plate 8, a limiting hole 12 is opened on the high-strength plate 8, a limiting post 13 is disposed inside the limiting hole 12, the limiting post 13 is connected to the A-pillar body 1, and a plurality of energy-absorbing plates 15 are disposed on the A-pillar body 1;

[0027] In practical use, it can mitigate localized impact forces, reduce the impact on the A-pillar body 1, and improve the bending resistance of the A-pillar body 1.

[0028] Example 2

[0029] Based on Embodiment 1, to improve the reliability of the device, an A-pillar body 1 is provided. An outer protective shell 5 is fixedly connected to the A-pillar body 1. The cavity formed between the outer protective shell 5 and the A-pillar body 1 is filled with an inner sound insulation cotton filling layer 14. A reinforcing rib 6 and a reinforcing plate 7 are fixedly connected to the outer protective shell 5. The reinforcing plate 7 has a triangular plate structure. The other end face of the reinforcing plate 7 is in contact with the surface of the high-strength plate 8. The inner sound insulation cotton filling layer 14 provided in the outer protective shell 5 can improve the sound insulation performance at the A-pillar body 1. The reinforcing rib 6 can improve the stability of the outer protective shell 5. The reinforcing plate 7 is in contact with the high-strength plate 8. When the outer protective shell 5 is impacted, the high-strength plate 8 is squeezed by the reinforcing plate 7.

[0030] Several limiting posts 13 are fixedly connected to the main body 1 of the A-pillar. The limiting posts 13 have a tubular structure. One end of the limiting post 13 is stuck in the limiting hole 12. The limiting post 13 can slide along the limiting hole 12. The limiting hole 12 has a circular groove structure. The inner diameter of the limiting hole 12 is equal to the diameter of the limiting post 13, so that the high-strength plate 8 is slidably connected to the limiting post 13. When the high-strength plate 8 is compressed, it can slide along the limiting post 13.

[0031] Several energy-absorbing plates 15 are fixedly connected to the A-pillar body 1. The energy-absorbing plates 15 are in contact with the high-strength plate 8. Several external energy-absorbing boxes 10 and reinforcing columns 9 are fixedly connected to the high-strength plate 8. The reinforcing columns 9 have a square plate structure, which allows the high-strength plate 8 to squeeze the energy-absorbing plates 15. The high-strength plate 8 slides along the limiting column 13, so that the high-strength plate 8 can squeeze all the energy-absorbing plates 15. In this way, the local compression of the high-strength plate 8 can be transferred to all the energy-absorbing plates 15. In this way, the local impact force can be mitigated, the impact force on the A-pillar body 1 can be reduced, the bending resistance of the A-pillar body 1 can be improved, and the use effect of the A-pillar body 1 can be improved.

[0032] Several connecting plates 11 are fixedly connected to the high-strength plate 8. The connecting plates 11 are square plate-shaped structures. The other end of the connecting plate 11 is fixedly connected to the A-pillar body 1. The connecting plates 11 fixedly connected to the high-strength plate 8 can improve the strength of the high-strength plate 8, prevent it from breaking, and thus reduce or fail the effect of subsequent impact force mitigation measures, thereby improving the use effect of the device. The external energy-absorbing box 10 can also buffer the impact force, thereby improving the use effect of the device.

[0033] Example 3

[0034] Based on Embodiment 2, to improve the effectiveness of the device, an A-pillar body 1 is provided. An inner protective shell 2 is fixedly connected to the A-pillar body 1. A rubber pad 3 is provided inside the inner protective shell 2 and is fixedly connected to the inner protective shell 2. Energy-absorbing aluminum foam 4 is provided inside the inner protective shell 2 and is located between the rubber pad 3 and the A-pillar body 1. By providing energy-absorbing aluminum foam 4 in the inner protective shell 2, the fragments generated when the side of the A-pillar body 1 breaks can be buffered. The rubber pad 3 blocks the generated fragments, preventing the fragments generated when the side of the A-pillar body 1 breaks into the cockpit and causing injury to personnel, thus improving the effectiveness of the device.

[0035] In actual use, when the outer protective shell 5 is impacted, the reinforcing plate 7 compresses the high-strength plate 8. When the high-strength plate 8 is compressed, it can slide along the limiting post 13. The high-strength plate 8 can compress all the energy-absorbing plates 15. In this way, the local compression of the high-strength plate 8 can be transferred to all the energy-absorbing plates 15. This can mitigate the local impact force, reduce the impact force on the side of the A-pillar body 1, improve the bending resistance of the side of the A-pillar body 1, and improve the performance of the A-pillar body 1. By setting the energy-absorbing aluminum foam 4 in the inner protective shell 2, the fragments generated when the side of the A-pillar body 1 breaks can be buffered. The rubber pad 3 can block the generated fragments, preventing the fragments generated when the side of the A-pillar body 1 breaks from flying into the cockpit and causing injury to the personnel, thus improving the performance of the device.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A car A-pillar structure, characterized in that: The car A-pillar structure includes: an inner protective shell (2), in which a rubber pad (3) and energy-absorbing aluminum foam (4) are provided; An outer protective shell (5) is provided with a reinforcing plate (7) inside the outer protective shell (5). The reinforcing plate (7) is in contact with a high-strength plate (8). An outer energy-absorbing box (10) is provided on the high-strength plate (8). A limiting hole (12) is opened on the high-strength plate (8). A limiting post (13) is provided in the limiting hole (12). The limiting post (13) is connected to the A-pillar body (1). Several energy-absorbing plates (15) are provided on the A-pillar body (1).

2. The automotive A-pillar structure according to claim 1, characterized in that: A number of energy-absorbing plates (15) are fixedly connected to the main body (1) of the A column. The energy-absorbing plates (15) are in contact with the high-strength plate (8). A number of external energy-absorbing boxes (10) and reinforcing columns (9) are fixedly connected to the high-strength plate (8). The reinforcing columns (9) are square plate-shaped structures.

3. The automotive A-pillar structure according to claim 1, characterized in that: Several connecting plates (11) are fixedly connected to the high-strength plate (8). The connecting plates (11) are square plate-shaped structures, and the other end of the connecting plates (11) is fixedly connected to the A-pillar body (1).

4. The automotive A-pillar structure according to claim 1, characterized in that: An inner protective shell (2) is fixedly connected to the A-pillar body (1). A rubber pad (3) is provided inside the inner protective shell (2). The rubber pad (3) is fixedly connected to the inner protective shell (2). An energy-absorbing aluminum foam (4) is provided inside the inner protective shell (2). The energy-absorbing aluminum foam (4) is located between the rubber pad (3) and the A-pillar body (1).

5. The automotive A-pillar structure according to claim 1, characterized in that: A number of limiting posts (13) are fixedly connected to the main body (1) of the A-pillar. The limiting posts (13) are tubular structures. One end of the limiting post (13) is stuck in the limiting hole (12). The limiting post (13) can slide along the limiting hole (12). The limiting hole (12) is a circular groove structure.

6. The automotive A-pillar structure according to claim 1, characterized in that: An outer protective shell (5) is fixedly connected to the A-pillar body (1). The cavity formed between the outer protective shell (5) and the A-pillar body (1) is filled with an inner sound insulation cotton filling layer (14). A reinforcing rib (6) and a reinforcing plate (7) are fixedly connected to the outer protective shell (5). The reinforcing plate (7) has a triangular plate structure, and the other end face of the reinforcing plate (7) is in contact with the surface of the high-strength plate (8).

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