Vehicle door anti-collision beam support

Abstract

The utility model discloses a car door anti-collision beam support which comprises a car door metal plate and an anti-collision main beam, and the two ends of the anti-collision main beam are fixedly connected with the car door metal plate respectively. A waist reinforcing plate is arranged in the middle of the upper portion of the automobile door metal plate, an anti-collision auxiliary beam is arranged below the waist reinforcing plate, and a connecting support is arranged between the anti-collision auxiliary beam and the anti-collision main beam. According to the car door anti-collision beam support, the waist reinforcing plate and the anti-collision auxiliary beam are additionally arranged and are stably connected with the car door metal plate and the anti-collision main beam, so that the overall structure supporting force of the car door anti-collision beam support is obviously enhanced; meanwhile, the connecting bracket with the I-shaped cross section is adopted, so that the bending strength and the stability of the connecting bracket are enhanced, and the supporting effect of the connecting bracket on the anti-collision main beam and the anti-collision auxiliary beam is also improved; the problem that in the prior art, an automobile door anti-collision beam support is insufficient in supporting effect is effectively solved, and the safety performance of an automobile door in a collision accident is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile spare parts, and particularly relates to a door anti-collision beam bracket. Background Technique

[0002] With the rapid growth of the domestic automobile ownership, the incidence of vehicle collision accidents has also increased accordingly. The importance of automobile safety performance has become increasingly prominent, and the industry's requirements for vehicle safety collision standards have become increasingly strict. In order to significantly improve the anti-collision ability of the automobile body side, automobile manufacturers generally add a door anti-collision beam between the inner panel and the outer panel of the door. The door anti-collision beam, as a key strengthening component of the door internal structure, is designed to enhance the structural strength of the vehicle side, so as to provide more solid anti-collision protection in a side collision, and then greatly improve the safety performance of the vehicle body side. This design aims to ensure that when the vehicle body encounters a side impact, it can effectively resist the external force impact, prevent the door from being severely deformed or the sheet metal parts from being locally torn, so as to maximize the protection of the safety of the occupants.

[0003] However, the currently widely used door anti-collision beam design has certain limitations. Specifically, the front end and the rear end of the anti-collision beam are usually directly fixed to the door body, while the middle area is in a suspended state. This design may not provide sufficient support for the anti-collision beam during a collision accident, thereby increasing the risk of door deformation and sheet metal tearing, posing a potential threat to the safety of the occupants. Therefore, how to optimize the design of the door anti-collision beam bracket to improve its support effect in a collision accident has become an urgent technical problem to be solved. Summary of the Invention

[0004] The purpose of the utility model is to provide a door anti-collision beam bracket to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A door anti-collision beam bracket includes a door sheet metal; a main anti-collision beam is arranged on one side of the door sheet metal close to the outer door panel, and both ends of the main anti-collision beam are fixedly connected to the door sheet metal; a waist strengthening plate is arranged at the middle position above the door sheet metal, and both ends of the waist strengthening plate are fixedly connected to the door sheet metal; an auxiliary anti-collision beam is arranged below the waist strengthening plate, the upper end of the auxiliary anti-collision beam is fixedly connected to the waist strengthening plate, and the lower end of the auxiliary anti-collision beam is fixedly connected to the side edge of the door sheet metal; a connecting bracket is arranged between the main anti-collision beam and the auxiliary anti-collision beam, and both ends of the connecting bracket are fixedly connected to the main anti-collision beam and the auxiliary anti-collision beam respectively.

[0007] Preferably, the main anti-collision beam is inclined, and the main anti-collision beam forms an angle of 20-45° with the lower end face of the door sheet metal, and both ends of the main anti-collision beam are welded to both side edges of the door sheet metal.

[0008] Preferably, a glue - applying groove is provided in the middle of the anti - collision main beam along its length direction, and the cross - section of the anti - collision main beam is in a "ji" - shaped structure.

[0009] Preferably, the anti - collision auxiliary beam is inclined, and a plurality of weight - reducing holes are provided along its length direction.

[0010] Preferably, the lower end of the anti - collision auxiliary beam is bent to form a welding support leg, and the welding support leg is welded to the side of the door sheet metal; the upper end of the anti - collision auxiliary beam is provided with a welding surface, and the welding surface is welded to the lower end of the waist strengthening plate.

[0011] Preferably, the connecting bracket is in an arched structure with lower ends and a higher middle part, and the cross - section of the connecting bracket is in a "gong" - shaped structure.

[0012] Preferably, the upper end of the connecting bracket is provided with a first fixing slot, and the first fixing slot is riveted to the anti - collision auxiliary beam through a rivet; the lower end of the connecting bracket is provided with a second fixing slot, and the second fixing slot is riveted to the side of the anti - collision main beam through a rivet.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: By adding a waist strengthening plate and an anti - collision auxiliary beam and forming a stable connection with the door sheet metal and the anti - collision main beam, the overall structural support force of the door anti - collision beam bracket is significantly enhanced; this design can provide more effective protection for the door in a collision accident, reducing the risk of door deformation and sheet metal tearing; both the anti - collision main beam and the anti - collision auxiliary beam are inclined and form a specific angle with the door sheet metal, and this design can better disperse the impact force during a collision, improving the anti - collision performance of the door in a side collision; at the same time, the glue - applying groove and the "ji" - shaped structure on the anti - collision main beam further enhance its strength and stability; the plurality of weight - reducing holes provided on the anti - collision auxiliary beam effectively reduce the weight of the bracket without affecting its structural strength, meeting the design trend of modern automotive lightweight; the use of an arched structure with lower ends and a higher middle part and a "gong" - shaped cross - section connecting bracket not only enhances the bending strength and stability of the connecting bracket, but also improves its supporting effect on the anti - collision main beam and the anti - collision auxiliary beam; the design of the door anti - collision beam bracket of the present utility model effectively solves the problem of insufficient support effect of the door anti - collision beam bracket in the prior art through improvements in aspects such as optimizing the structural layout, enhancing the support force, improving the anti - collision effect, achieving lightweight, and optimizing the welding process, and improves the safety performance of the car door in a collision accident. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front - view structural schematic diagram of the present utility model;

[0015] Figure 2 is the left - view structural schematic diagram of the present utility model;

[0016] Figure 3 It is a schematic structural diagram of the connection between the connecting bracket of the present utility model and the anti-collision main beam and the anti-collision auxiliary beam;

[0017] Figure 4 It is a schematic structural diagram of the anti-collision main beam of the present utility model;

[0018] Figure 5 It is a schematic structural diagram of the anti-collision auxiliary beam of the present utility model;

[0019] Figure 6 It is a schematic structural diagram of the connecting bracket of the present utility model.

[0020] Wherein: 1. Door sheet metal; 2. Anti-collision main beam; 3. Waist reinforcement plate; 4. Anti-collision auxiliary beam; 5. Connecting bracket; 6. Glue application groove; 7. Weight reduction hole; 8. Welding support leg; 9. Welding surface; 10. First fixed card slot; 11. Second fixed card slot. Specific implementation manner

[0021] The following further describes the present utility model in detail with reference to the accompanying drawings.

[0022] Please refer to Figures 1 to 6 , to achieve the above object, the present utility model provides the following technical solutions:

[0023] A door anti-collision beam bracket includes a door sheet metal 1, and an anti-collision main beam 2 is provided on one side of the door sheet metal 1 close to the outer door panel (not shown in the figure), wherein both ends of the anti-collision main beam 2 are fixedly connected to the door sheet metal 1 respectively; a waist reinforcement plate 3 is provided at the middle position above the door sheet metal 1, and both ends of the waist reinforcement plate 3 are fixedly connected to the door sheet metal 1; an anti-collision auxiliary beam 4 is provided below the waist reinforcement plate 3, and the upper end of the anti-collision auxiliary beam 4 is fixedly connected to the waist reinforcement plate 3, and the lower end of the anti-collision auxiliary beam 4 is fixedly connected to the side of the door sheet metal 1; a connecting bracket 5 is provided between the anti-collision main beam 2 and the anti-collision auxiliary beam 4, and both ends of the connecting bracket 5 are fixedly connected to the anti-collision main beam 2 and the anti-collision auxiliary beam 4 respectively.

[0024] By placing the door sheet metal 1 in the appropriate working position, subsequent installation steps are prepared. The door sheet metal 1 is the main structural part of the door, providing support for the anti-collision main beam 2 and other reinforcing parts; by installing the anti-collision main beam 2 on the side of the door sheet metal 1 close to the outer door panel, where both ends of the anti-collision main beam 2 need to be fixedly connected to the door sheet metal 1, usually using welding, bolts or other reliable connection methods; installing the waist reinforcing plate 3 at the middle position above the door sheet metal 1, where both ends of the waist reinforcing plate 3 also need to be fixedly connected to the door sheet metal 1 to enhance the overall strength and rigidity of the door; installing the anti-collision auxiliary beam 4 below the waist reinforcing plate 3, where the upper end of the anti-collision auxiliary beam 4 is fixedly connected to the waist reinforcing plate 3, and the lower end is fixedly connected to the side of the door sheet metal 1; in this way, the anti-collision auxiliary beam 4, the waist reinforcing plate 3 and the door sheet metal 1 together form a reinforcing structure; installing the connecting bracket 5 between the anti-collision main beam 2 and the anti-collision auxiliary beam 4, where both ends of the connecting bracket 5 are respectively fixedly connected to the anti-collision main beam 2 and the anti-collision auxiliary beam 4, and the function of the connecting bracket 5 is to further strengthen the connection between the anti-collision beams and improve the overall anti-collision performance of the door; after the installation is completed, quality inspection of the door anti-collision beam bracket needs to be carried out to ensure that all components are correctly installed and fixed; in addition, relevant performance tests may also be required, such as collision tests, to ensure that the door anti-collision beam bracket can meet the safety requirements of the vehicle, thereby improving the safety performance of the vehicle.

[0025] Please refer to Figure 1 、 Figure 2 As an embodiment of the present utility model, the anti-collision main beam 2 is inclined, where the anti-collision main beam 2 forms an angle of 20 - 45° with the lower end face of the door sheet metal 1, and both ends of the anti-collision main beam 2 are welded to both sides of the door sheet metal 1 respectively.

[0026] In the above-mentioned scheme, the inclination angle between the anti-collision main beam 2 and the lower end surface of the door sheet metal 1 is determined according to the vehicle design and safety performance requirements. This angle is usually between 20 and 45 degrees, aiming to optimize the force distribution of the anti-collision main beam 2 during a collision and improve the anti-collision performance of the door; the measuring tool is used to accurately measure and mark the installation position and inclination angle of the anti-collision main beam 2 on the door sheet metal 1, which includes determining the positions of the welding points between the two ends of the anti-collision main beam 2 and the two sides of the door sheet metal 1, and ensuring that the anti-collision main beam 2 can maintain the required inclination angle after installation; the anti-collision main beam 2 is pre-processed according to the measurement and marking results, such as cutting and grinding, to ensure that its size and shape meet the installation requirements; at the same time, the quality of the anti-collision main beam 2 is checked to ensure that it has no defects such as cracks and rust; the anti-collision main beam 2 is placed on the door sheet metal 1, according to the previous The measurement and marking results are used for positioning, and auxiliary tools such as temporary clamps or positioning pins are used to ensure that the anti-collision main beam 2 maintains the correct position and inclination angle during installation; welding is performed at the welding points between the two ends of the anti-collision main beam 2 and the two sides of the door sheet metal 1. During the welding process, the welding parameters need to be controlled to ensure the quality and strength of the weld; at the same time, attention is paid to protecting the welding area to avoid welding defects or damage to the door sheet metal 1; after welding is completed, the weld is quality inspected, including appearance inspection and strength test, to ensure that the weld meets the vehicle design and safety performance requirements; as needed, the welding area is polished, rust removed and other subsequent treatments are performed to improve its appearance quality and corrosion resistance; at the same time, check and confirm whether the installation position and inclination angle of the anti-collision main beam 2 meet the design requirements, thereby providing the vehicle with safer and more reliable side collision protection.

[0027] See also Figure 4 As an embodiment of the utility model, a glue coating groove 6 is provided in the middle of the anti-collision main beam 2 along its length direction, wherein the cross section of the anti-collision main beam 2 is a "J"-shaped structure.

[0028] In the above-described scheme, the shape and size of the anti-collision main beam 2 are designed according to the requirements of the vehicle collision safety performance and manufacturing process, especially its cross-section is determined to be a "J"-shaped structure, and the position and size of the glue groove 6 are planned; the design of the "J"-shaped structure is intended to improve the strength and rigidity of the anti-collision main beam 2, while optimizing its weight, in line with the trend of lightweight design; the design of the glue groove 6 is intended to enhance the connection strength between the anti-collision main beam 2 and the door outer panel by filling it with adhesive or sealant, thereby improving the stability of the overall structure.

[0029] Please refer to Figure 1 , Figure 2 and Figure 5, as an embodiment of the present utility model, the anti-collision auxiliary beam 4 is inclined, and a plurality of weight-reducing holes 7 are provided along its length direction; the lower end of the anti-collision auxiliary beam 4 is bent to form a welding support foot 8, and the welding support foot 8 is welded to the side of the door sheet metal 1; the upper end of the anti-collision auxiliary beam 4 is provided with a welding surface 9, and the welding surface 9 is welded to the lower end of the waist reinforcing plate 3.

[0030] In the above-mentioned solution, according to the safety performance and lightweight design requirements of the vehicle, the shape, size and inclination angle of the anti-collision auxiliary beam 4 are planned to ensure that the anti-collision auxiliary beam 4 can effectively disperse the impact force during a collision while reducing the vehicle body weight; the position, quantity and size of the weight-reducing holes 7 are designed to further reduce the weight of the anti-collision auxiliary beam 4 without affecting the structural strength; the positions and shapes of the welding support foot 8 and the welding surface 9 are planned to ensure that they can form a good connection with the door sheet metal 1 and the waist reinforcing plate 3; the welding support foot 8 at the lower end of the anti-collision auxiliary beam 4 is bent to enable it to form good contact and welding conditions with the side of the door sheet metal 1; the welding surface 9 at the upper end of the anti-collision auxiliary beam 4 is polished, cleaned, etc. to ensure that it can closely fit with the lower end of the waist reinforcing plate 3 and form a good welding joint; the anti-collision auxiliary beam 4 is installed on the door sheet metal 1 and the waist reinforcing plate 3 according to the design requirements; during the installation process, it is necessary to ensure that the inclination angle, position of the anti-collision auxiliary beam 4 and the positions of the welding support foot 8 and the welding surface 9 are correct; the welding support foot 8 is welded to the side of the door sheet metal 1 by spot welding to ensure a firm and reliable connection; similarly, the welding surface 9 is welded to the lower end of the waist reinforcing plate 3 to form another firm connection point; ensure that the connection between the anti-collision auxiliary beam 4 and the door sheet metal 1 and the waist reinforcing plate 3 is firm and reliable, greatly improving the safety performance and lightweight level of the vehicle.

[0031] Please refer to Figure 3 , Figure 6 , as an embodiment of the present utility model, the connecting bracket 5 is an arched structure with lower ends and a higher middle, and the cross-section of the connecting bracket 5 is in an "I" shape; the upper end of the connecting bracket 5 is provided with a first fixed card slot 10, and the first fixed card slot 10 is riveted to the anti-collision auxiliary beam 4 by a rivet; the lower end of the connecting bracket 5 is provided with a second fixed card slot 11, and the second fixed card slot 11 is riveted to the side of the anti-collision main beam 2 by a rivet.

[0032] In the above-described solution, according to the requirements of vehicle collision safety performance and manufacturing process, the shape, size, and arched structure of the connecting bracket 5 are designed to ensure that the connecting bracket 5 can effectively connect the anti-collision main beam 2 and the anti-collision auxiliary beam 4, while optimizing its weight and strength. Among them, the cross-section of the connecting bracket 5 is an "I"-shaped structure to improve its bending strength and stability. By respectively opening a first fixing slot 10 and a second fixing slot 11 at the upper and lower ends of the connecting bracket 5, where the shapes and sizes of the first fixing slot 10 and the second fixing slot 11 respectively match the corresponding parts of the anti-collision auxiliary beam 4 and the anti-collision main beam 2 to ensure a good connection effect. Then, the riveting parts of the connecting bracket 5, the anti-collision auxiliary beam 4, and the anti-collision main beam 2 are cleaned, degreased, and rust-removed, etc., to ensure that the rivets can firmly connect these components. Select appropriate rivets to ensure that their materials, diameters, and lengths meet the riveting requirements. Use a riveting gun or other riveting tools to rivet the first fixing slot 10 to the anti-collision auxiliary beam 4, ensuring that the rivets can penetrate the slot and the anti-collision auxiliary beam 4 and form a firm connection. Similarly, rivet the second fixing slot 11 to the side of the anti-collision main beam 2, ensuring that the rivets can penetrate the second fixing slot 11 and the anti-collision main beam 2 and provide sufficient connection strength. During the riveting process, it is necessary to control the riveting force of the rivets to avoid damaging the connecting bracket 5, the anti-collision auxiliary beam 4, and the anti-collision main beam 2. After the riveting is completed, conduct a quality inspection on the connecting bracket 5 and its connection with the anti-collision auxiliary beam 4 and the anti-collision main beam 2 to ensure that the connection between the connecting bracket 5 and the anti-collision auxiliary beam 4 and the anti-collision main beam 2 is firm and reliable, providing safer and more reliable side collision protection for the vehicle.

[0033] Although the specific implementation manners of the present invention have been described above, those skilled in the art should understand that these are only examples. The protection scope of the present invention is defined by the appended claims. Without departing from the principles and essence of the present invention, those skilled in the art can make various changes or modifications to these implementation manners, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A door anti-collision beam bracket, comprising a door sheet metal (1); characterized in that, A crash-proof main beam (2) is provided on one side of the vehicle door sheet metal (1) close to the outer panel of the vehicle door. The two ends of the crash-proof main beam (2) are respectively fixedly connected to the vehicle door sheet metal (1); a waist reinforcement plate (3) is provided at the middle position above the vehicle door sheet metal (1), and the two ends of the waist reinforcement plate (3) are fixedly connected to the vehicle door sheet metal (1); a crash-proof auxiliary beam (4) is provided below the waist reinforcement plate (3), the upper end of the crash-proof auxiliary beam (4) is fixedly connected to the waist reinforcement plate (3), and the lower end of the crash-proof auxiliary beam (4) is fixedly connected to the side of the vehicle door sheet metal (1); a connection bracket (5) is provided between the crash-proof main beam (2) and the crash-proof auxiliary beam (4), and the two ends of the connection bracket (5) are respectively fixedly connected to the crash-proof main beam (2) and the crash-proof auxiliary beam (4).

2. The door anti-collision beam bracket according to claim 1, characterized in that, The crash-proof main beam (2) is inclined, and the crash-proof main beam (2) forms an angle of 20-45° with the lower end surface of the vehicle door sheet metal (1), and the two ends of the crash-proof main beam (2) are respectively welded to the two sides of the vehicle door sheet metal (1).

3. The door anti-collision beam bracket according to claim 2, characterized in that, A glue application groove (6) is provided in the middle of the crash-proof main beam (2) along its length direction, and the cross section of the crash-proof main beam (2) is in a "Ji” - shaped structure.

4. The door anti-collision beam bracket according to claim 1, characterized in that, The crash-proof auxiliary beam (4) is inclined, and a plurality of weight reduction holes (7) are provided along its length direction.

5. The door anti-collision beam bracket according to claim 4, wherein The lower end of the crash-proof auxiliary beam (4) is bent to form a welding support leg (8), and the welding support leg (8) is welded to the side of the vehicle door sheet metal (1); a welding surface (9) is provided at the upper end of the crash-proof auxiliary beam (4), and the welding surface (9) is welded to the lower end of the waist reinforcement plate (3).

6. The door anti-collision beam bracket according to claim 1, characterized in that, The connection bracket (5) is in an arched structure with lower ends and a higher middle part, and the cross section of the connection bracket (5) is in an "I” - shaped structure.

7. The door anti-collision beam bracket according to claim 6, characterized in that, A first fixed card slot (10) is provided at the upper end of the connection bracket (5), and the first fixed card slot (10) is riveted to the crash-proof auxiliary beam (4) by a rivet; a second fixed card slot (11) is provided at the lower end of the connection bracket (5), and the second fixed card slot (11) is riveted to the side of the crash-proof main beam (2) by a rivet.

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