Impact absorption device for automobile longitudinal beam reinforcer

By designing shock-absorbing and vibration-damping devices on the automotive longitudinal beams and using components such as curved steel plates and rubber blocks, the problem of insufficient energy absorption by traditional longitudinal beams during high-speed collisions has been solved, improving impact resistance and structural stability while reducing maintenance costs.

CN223890942UActive Publication Date: 2026-02-10CHANGZHOU TIANZHISHENG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202423278476.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-02-10
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional automotive longitudinal beams have limited energy absorption and deformation resistance during high-speed collisions, making it difficult to effectively protect occupants. Furthermore, existing buffer and anti-collision devices are complex in structure, costly, and difficult to maintain.

Method used

An impact absorption device for automotive longitudinal beam reinforcement was designed, which employs a damping device and an impact absorption device. The damping device is composed of curved steel plates, combined with rubber blocks, steel columns, steel plates and other components. The linkage structure achieves effective absorption and dispersion of impact force.

Benefits of technology

It significantly improves the impact resistance of the longitudinal beams, reduces maintenance costs, enhances the stability and service life of the device, and strengthens occupant safety protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an impact absorption device for an automobile longitudinal beam reinforcer, which relates to the technical field of automobile longitudinal beam equipment and comprises a longitudinal beam, a cushioning device is connected inside the longitudinal beam, and a rubber block is connected to the outer wall of the side end of the longitudinal beam. The outer walls of the side ends of the rubber blocks are fixedly connected with the impact absorption devices, when a vehicle is impacted, the bent steel plates can elastically deform when subjected to impact force, so that part of the impact force is absorbed and dispersed, meanwhile, the whole longitudinal beam can better resist external impact through the steel plates and the steel columns, the impact force can be further absorbed and dispersed through the rubber blocks, and the service life of the longitudinal beam is prolonged. According to the impact absorption device, more effective impact absorption is achieved through the internal structural design of the impact absorption device, the left end and the right end of each second fixing block and the left end and the right end of each related assembly are equally and symmetrically arranged, the symmetrical design can further improve the impact resistance of the device, and it is ensured that the device can be kept balanced and stable when being impacted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile longitudinal beam equipment, and specifically relates to an automobile longitudinal beam reinforcing piece impact absorption device. BACKGROUND

[0002] With the development of the automobile industry, the safety performance of automobiles is paid more and more attention by consumers. In automobile collision accidents, the longitudinal beam, as an important component of the automobile body structure, its impact resistance and energy absorption capacity are directly related to the safety of passengers. The traditional automobile longitudinal beam is usually made of a single metal material, which has certain strength and rigidity, but its energy absorption capacity and deformation resistance are limited when facing high-speed collision, and it is difficult to effectively protect the safety of passengers.

[0003] For example, a kind of vehicle buffer anti-collision device is disclosed in Chinese patent, with the announcement number CN215322411U. The above-mentioned patent is used, and the anti-collision device includes front plate, rear plate, buffer part, connecting part, rear plate is connected on the main force component longitudinal beam of vehicle frame, front plate is arranged on the side of rear plate away from longitudinal beam;Connecting part movably connects front plate and rear plate;Buffer part is the elastic buffer structure established between front plate and rear plate. The anti-collision device disclosed in the application has simple structure, convenient manufacturing, outstanding performance, convenient maintenance and repair, and is suitable for various vehicle types. Although the device has many beneficial effects, it still has the following problems: poor shock absorption effect, high manufacturing cost due to complex structure, and difficult maintenance.

[0004] Therefore, the existing structure and defects are improved, and an automobile longitudinal beam reinforcing piece impact absorption device is provided to achieve more practical value. INVENTION CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an automobile longitudinal beam reinforcing piece impact absorption device to solve the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an automobile longitudinal beam reinforcing piece impact absorption device, comprising a longitudinal beam, a shock absorption device is connected in the longitudinal beam, a rubber block is connected to the side end outer wall of the longitudinal beam, and an impact absorption device is fixedly connected to the side end outer wall of the rubber block.

[0007] Preferably, the inner wall of the longitudinal beam is fixedly connected with a steel column, the outer wall of the steel column is fixedly connected with a steel plate, the outer wall of the steel column is further fixedly connected with a shock absorbing piece, the lower end of the steel column is fixedly connected with a bearing plate, and the outer wall of the bearing plate is fixedly connected with a bearing seat.

[0008] Preferably, the shock absorbing piece is composed of a plurality of bent steel plates, and the bent steel plate is composed of two intersecting curved surfaces.

[0009] Preferably, the outer wall of the bearing plate is provided with a plurality of steel columns and shock absorbers, which are distributed at equal intervals.

[0010] Preferably, the outer wall of the bearing plate is provided with a plurality of steel columns and shock absorbers, which are distributed at equal intervals.

[0011] Preferably, the outer wall of the bearing plate is provided with a plurality of steel columns and shock absorbers, which are distributed at equal intervals.

[0012] Preferably, the outer wall of the bearing plate is provided with a plurality of steel columns and shock absorbers, which are distributed at equal intervals.

[0013] Compared with the prior art, the automobile longitudinal beam reinforcing member impact absorbing device has the following beneficial effects:

[0014] The shock absorbing device and the impact absorbing device are carefully designed, which significantly improves the absorption and dispersion capacity of the automobile longitudinal beam when subjected to external impact. The curved steel plate structure adopted in the shock absorbing device is formed by the intersection of two curved surfaces. This design not only enhances the stability of the structure, but also can elastically deform when subjected to impact force, effectively absorbing and dispersing the impact force, reducing the direct damage to the longitudinal beam and the surrounding structure. At the same time, the cooperation of the rubber block and the impact absorbing device further enhances the impact absorbing effect of the device, so that the entire device can exhibit more excellent impact resistance when facing external impact.

[0015] The automobile longitudinal beam reinforcing member impact absorbing device fully considers the stability and easy maintenance requirements in the structural design. The equal interval distribution of the steel columns, steel plates and shock absorbers inside the longitudinal beam ensures the overall stability of the device when subjected to impact force, avoiding structural damage caused by excessive local stress. In addition, the clever connection of the connecting plate, the first fixed block, the first linkage plate, the first movable plate, the fixed frame, the connecting rod, the second movable plate, the second linkage plate and the second fixed block not only realizes the effective transmission and absorption of the impact force, but also makes the entire device more compact and stable in structure. At the same time, this modular design also facilitates subsequent maintenance and replacement work, reduces maintenance cost and improves the service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the shock absorbing device structure schematic view of the utility model;

[0018] Figure 3 It is the shock absorbing device structure schematic view of the utility model;

[0019] Figure 4 It is the shock absorbing device structure schematic view of the utility model.

[0020] In the drawing: 1, longitudinal beam; 2, shock absorbing device; 3, steel plate; 4, steel column; 5, shock absorbing piece; 501, bent steel plate; 6, bearing plate; 7, bearing seat; 8, rubber block; 9, impact absorbing device; 10, connecting plate; 11, first fixed block; 12, first linkage plate; 13, first movable plate; 14, fixed frame; 15, spring; 16, connecting rod; 17, second movable plate; 18, second linkage plate; 19, second fixed block; 20, elastic piece; 21, force block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-4 , a kind of automobile longitudinal beam reinforcing piece impact absorbing device, including longitudinal beam 1, shock absorbing device 2 is connected in the inside of longitudinal beam 1, and the side end outer wall of longitudinal beam 1 is connected with rubber block 8, and the side end outer wall of rubber block 8 is fixedly connected with impact absorbing device 9.

[0023] Further, the inner wall of longitudinal beam 1 is fixedly connected with steel column 4, and the outer wall of steel column 4 is fixedly connected with steel plate 3, and the outer wall of steel column 4 is also fixedly connected with shock absorbing piece 5, and the lower end of steel column 4 is fixedly connected with bearing plate 6, and the outer wall of bearing plate 6 is fixedly connected with bearing seat 7, not only realizes the effective transmission and absorption of impact force, but also makes the whole device more compact and stable in structure.

[0024] Further, shock absorbing piece 5 is composed of several bent steel plates 501, and bent steel plate 501 is composed of two intersecting curved surfaces, which not only enhances the stability of the structure, but also can elastically deform when subjected to impact force, effectively absorbing and dispersing impact force, reducing the direct damage to the longitudinal beam and surrounding structure.

[0025] Further, the outer wall of the bearing plate 6 is provided with a plurality of steel columns 4 and shock absorbers 5, which are distributed at equal intervals, ensuring the overall stability of the device when subjected to impact force, avoiding structural damage due to excessive local stress.

[0026] Further, the outer wall of the bearing plate 6 is provided with a plurality of steel columns 4 and shock absorbers 5, which are distributed at equal intervals, ensuring the overall stability of the device when subjected to impact force, avoiding structural damage due to excessive local stress.

[0027] Further, the outer wall of the bearing plate 6 is provided with a plurality of steel columns 4 and shock absorbers 5, which are distributed at equal intervals, ensuring the overall stability of the device when subjected to impact force, avoiding structural damage due to excessive local stress.

[0028] Further, the outer wall of the bearing plate 6 is provided with a plurality of steel columns 4 and shock absorbers 5, which are distributed at equal intervals, ensuring the overall stability of the device when subjected to impact force, avoiding structural damage due to excessive local stress.

[0029] Working principle: when the vehicle is impacted, the impact force first acts on the longitudinal beam 1, the shock absorbing part 5 is composed of a plurality of bent steel plates 501, which can elastically deform when subjected to impact force through the special curved surface intersection structure, thereby absorbing and dispersing part of the impact force, at the same time, the steel plate 3 and the steel column 4 also play a supporting and dispersing impact force role, so that the whole longitudinal beam 1 can better resist external impact, the rubber block 8 can further absorb and disperse the impact force due to its good elasticity and impact resistance, reduce the direct impact on the longitudinal beam 1, the impact absorbing device 9 further converts the impact force absorbed by the rubber block 8 into other forms of energy through its internal structure design, thereby achieving more effective impact absorption, when the impact force acts on the longitudinal beam 1, the linkage structure composed of the connecting plate 10, the first fixed block 11, the first linkage plate 12 and the first movable plate 13 and other components starts to work, the first movable plate 13 moves under the action of the impact force, drives the second movable plate 17 and the second linkage plate 18 and other components to link through the connecting rod 16, in this process, the spring 15 and the elastic part 20 play a key shock absorbing role, they can absorb and disperse the impact force, reduce the damage of the longitudinal beam 1 and the surrounding structure, at the same time, the fixed frame 14 acts as a support structure for the connecting rod 16, ensuring the stability and reliability of the whole linkage shock absorbing mechanism, the outer wall of the bearing plate 6 is provided with a plurality of equally spaced steel columns 4 and shock absorbing parts 5, this design can ensure the uniform distribution of impact force on the longitudinal beam 1, improve the stability of the overall structure, the left and right ends of the second fixed block 19 and its related components are each provided with a set of equal and symmetrical components, this symmetrical design can further improve the impact resistance of the device, ensure that it can remain balanced and stable when impacted.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An impact absorption device for a longitudinal beam reinforcement in automobiles, comprising a longitudinal beam (1), characterized in that: The longitudinal beam (1) is internally connected to a shock-absorbing device (2), and the outer wall of the side end of the longitudinal beam (1) is connected to a rubber block (8), and the outer wall of the side end of the rubber block (8) is fixedly connected to an impact-absorbing device (9). The inner wall of the longitudinal beam (1) is fixedly connected to a steel column (4), and the outer wall of the steel column (4) is fixedly connected to a steel plate (3). The outer wall of the steel column (4) is also fixedly connected to a shock absorber (5). The lower end of the steel column (4) is fixedly connected to a bearing plate (6), and the outer wall of the bearing plate (6) is fixedly connected to a bearing seat (7). The shock absorber (5) is composed of several curved steel plates (501), and the curved steel plates (501) are composed of two intersecting curved surfaces.

2. The impact absorption device for automotive longitudinal beam reinforcement according to claim 1, characterized in that: The outer wall of the bearing plate (6) is provided with several steel columns (4) and shock absorbers (5), which are distributed at equal intervals.

3. The impact absorption device for automotive longitudinal beam reinforcement according to claim 1, characterized in that: A connecting plate (10) is fixedly connected to the outer wall of the side end of the longitudinal beam (1), and a first fixing block (11) is fixedly connected to the outer wall of the connecting plate (10), and a first linkage plate (12) is fixedly connected to the outer wall of the first fixing block (11), and a first movable plate (13) is movably connected to the inner wall of the first linkage plate (12), and a fixing frame (14) is fixedly connected to the other end of the first movable plate (13), and a connecting rod (16) is fixedly connected inside the fixing frame (14), and the connecting rod (16) is fixedly connected to the outer wall of the connecting rod (16). A spring (15) is fixedly connected to the wall, and a second movable plate (17) is fixedly connected to the other end of the connecting rod (16). A second linkage plate (18) is movably connected to the outer wall of the second movable plate (17). A second fixed block (19) is fixedly connected to the side end of the second linkage plate (18). A force-bearing block (21) is fixedly connected to the lower end of the second fixed block (19). An elastic element (20) is fixedly connected to the upper end of the second fixed block (19). A rubber block (8) is fixedly connected to the elastic element (20).

4. The impact absorption device for automotive longitudinal beam reinforcement according to claim 3, characterized in that: The connecting rod (16) extends through the fixed frame (14) into the interior.

5. The impact absorption device for automotive longitudinal beam reinforcement according to claim 3, characterized in that: Several components on the side of the second fixing block (19) are set as a group, and the left and right ends of the second fixing block (19) are set as equal and symmetrical groups.

Citation Information

Patent Citations

  • Buffering anti-collision device for vehicle

    CN215322411U