Vehicle bumper collision detection device

Abstract

The utility model discloses a vehicle bumper collision detection device, which comprises a fixed block, a collision rod fixedly connected to the side wall of the fixed block, a movable block slidably connected to the outer side of the collision rod, the movable block and the fixed block are slidably connected, a hemispherical column is fixedly connected to the side wall of the movable block, and the hemispherical column is fixedly connected to the outer side of the collision rod. According to the utility model, the collision rod, the moving block, the hemispherical column and other components are arranged, and the collision rod reproduces the condition that a vehicle collides with a plane object such as a wall surface or a vehicle tail; the arc-shaped surface of the hemispherical column can accurately reproduce the collision contact characteristic between a vehicle and cylindrical objects such as a street lamp pole and a tree, the arc-shaped surface of the hemispherical column is more in line with actual accident forms under different conditions than a plane collision test, and the moving block and the hemispherical column can be quickly disassembled, so that the moving block and the hemispherical column can be conveniently replaced, and the cost is reduced. And meanwhile, the positions of the moving block and the hemispherical column can be adjusted, so that different positions of the bumper can be conveniently detected.

Description

Technical Field

[0001] This utility model relates to the technical field of collision detection devices, specifically a vehicle bumper collision detection device. Background Technology

[0002] With the rapid development of the automotive industry and the dramatic increase in car ownership, road traffic safety issues are becoming increasingly prominent. During driving, vehicles inevitably encounter various collision accidents. As an important safety protection component at the front and rear of the vehicle, the performance and damage of the bumper directly affect the safety of the occupants and the subsequent maintenance costs of the vehicle. During a collision, the bumper can absorb and disperse some of the collision energy, reducing the impact on the vehicle's body structure and passengers. However, the degree of damage to the bumper varies depending on the intensity, angle, and shape of the collision.

[0003] Existing devices can only simulate collisions with objects of a single shape, and cannot fully simulate the real situation when a bumper collides with objects of different shapes. This makes the test results unable to fully reflect the performance of the bumper in actual use, which is not conducive to a comprehensive evaluation and improvement of the bumper. Therefore, we need to propose a vehicle bumper collision detection device. Utility Model Content

[0004] The purpose of this utility model is to provide a vehicle bumper collision detection device. By setting up components such as a collision bar, a movable block, and a hemispherical column, the movable block can simulate collision situations under different conditions, making it convenient to inspect the damage of the bumper when it collides with different objects, thereby solving the problems mentioned in the background art.

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

[0006] A vehicle bumper collision detection device, comprising:

[0007] A fixed block is provided, with a striking rod fixedly connected to its side wall. A movable block is slidably connected to the outside of the striking rod. The movable block is slidably connected to the fixed block. A hemispherical column is fixedly connected to the side wall of the movable block. A sliding groove is provided inside the movable block. A T-shaped block is fixedly connected to the upper end of the movable block. The T-shaped block is slidably connected to the sliding groove.

[0008] Preferably, the movable block has a sliding connection to a limiting frame inside, and a spring is provided on the outer side of the limiting frame.

[0009] Preferably, the upper end of the T-shaped block is provided with a plurality of limiting holes arranged in a ring, one of which is slidably connected to the limiting frame.

[0010] Preferably, a support plate is fixedly connected to the side wall of the fixing block.

[0011] Preferably, a mounting plate is fixedly connected to the side wall of the fixing block, and the upper end of the mounting plate has a plurality of evenly distributed mounting holes.

[0012] Preferably, a limiting plate is fixedly connected to the side wall of the fixing block, and the limiting plate is fixedly connected to the fixing block.

[0013] Preferably, a test vehicle is provided on one side of the fixing block.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention incorporates components such as a collision bar, a movable block, and a hemispherical column. The collision bar replicates the collision between a vehicle and a planar object such as a wall or the rear of the vehicle. The curved surface of the hemispherical column accurately replicates the collision contact characteristics between a vehicle and cylindrical objects such as lampposts or trees. This design is more consistent with actual accident scenarios under different conditions than planar collision testing. Furthermore, the movable block and hemispherical column can be quickly disassembled for easy replacement, and their positions can be adjusted to facilitate testing at different locations on the bumper. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a partial structural schematic diagram of the present invention;

[0018] Figure 3 The structure of this utility model Figure 2 Enlarged view of a portion of point A in the middle;

[0019] Figure 4 This is a schematic diagram of the mounting plate of this utility model.

[0020] In the diagram: 1. Fixed block; 2. Impact rod; 3. Moving block; 4. Hemispherical column; 5. Slide groove; 6. T-shaped block; 7. Limiting frame; 8. Spring; 9. Limiting hole; 10. Support plate; 11. Mounting plate; 12. Mounting hole; 13. Limiting plate; 14. Test vehicle. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 This utility model provides a technical solution:

[0023] A vehicle bumper collision detection device, comprising:

[0024] A fixed block 1 is fixedly connected to a strike rod 2 on its side wall. A movable block 3 is slidably connected to the outside of the strike rod 2. The movable block 3 is slidably connected to the fixed block 1. A hemispherical column 4 is fixedly connected to the side wall of the movable block 3. A sliding groove 5 is provided inside the movable block 3. A T-shaped block 6 is fixedly connected to the upper end of the movable block 3. The T-shaped block 6 is slidably connected to the sliding groove 5.

[0025] For example, the fixed block 1 is made of high-quality material to prevent it from moving when impacted during testing. The impact rod 2 is one of the main components simulating collisions. The impact rod 2 is generally made of an alloy material with certain elasticity and toughness. This allows it to simulate real collision force and buffer collision energy to a certain extent, avoiding excessive damage to the device itself. The moving block 3 is the moving part of the device. Its material is also made of high-strength metal to ensure that it will not be easily damaged during collisions. The hemispherical column 4 simulates the collision between the bumper and a cylindrical object, and is used to observe the damage when the bumper collides with objects of different shapes. The size and shape of the slide groove 5 are precisely calculated to achieve good sliding fit with the T-block 6. The T-block 6 is slidably connected to the slide groove 5. This structure not only restricts the movement trajectory of the moving block 3, making it only move along the direction of the slide groove 5, but also ensures the stability and accuracy of the movement of the moving block 3, avoiding detection errors caused by shaking or deviation.

[0026] The movable block 3 has an internal sliding connection to a limit frame 7, and a spring 8 is provided on the outside of the limit frame 7.

[0027] For example, the limiting frame 7 can move in a specific direction within the movable block 3. The main function of the limiting frame 7 is to restrict the position of the movable block 3 and prevent it from exceeding the set range during sliding. The material of the limiting frame 7 is generally a metal material with a certain hardness and elasticity, such as spring steel. This ensures the reliability of its limiting function and allows it to undergo a certain elastic deformation when subjected to external force, avoiding damage due to rigid collision. The spring 8 is located on the outside of the limiting frame 7 and provides elasticity to the limiting frame 7. When the movable block 3 slides, the limiting frame 7 can be moved by compressing the spring 8, so that the movable block 3 can slide smoothly. The elasticity of the spring 8 is selected according to actual needs. It is necessary to ensure that the limiting frame 7 can stably restrict the position of the T-block 6 and that the limiting frame 7 can be easily moved when adjustment is needed. The material of the spring 8 is usually high-quality spring steel to ensure that it has good elasticity and durability.

[0028] The upper end of the T-shaped block 6 is provided with a plurality of ring-shaped limiting holes 9, one of which is slidably connected to the limiting frame 7.

[0029] For example, the function of the limiting hole 9 is to provide a precise positioning point for the limiting frame 7. When the limiting frame 7 is inserted into a certain limiting hole 9, the position of the T-block 6 is fixed. The design of multiple limiting holes 9 allows the T-block 6 to be fixed in different positions, thereby simulating collisions at different positions. Multiple moving blocks 3 and hemispherical columns 4 can also be installed to simulate different situations. The size and precision requirements of the limiting hole 9 are high to ensure that the limiting frame 7 can be accurately inserted into it without loosening or shaking.

[0030] A support plate 10 is fixedly connected to the side wall of the fixed block 1.

[0031] For example, the main function of the support plate 10 is to provide support and stability for the movable block 3 when it is stored. The material of the support plate 10 is similar to that of the fixed block 1, and a high-strength, high-rigidity metal material is selected to ensure that it can withstand the pressure when the movable block 3 is stored.

[0032] A mounting plate 11 is fixedly connected to the side wall of the fixing block 1, and a plurality of evenly distributed mounting holes 12 are provided at the upper end of the mounting plate 11.

[0033] For example, the mounting plate 11, together with the support plate 10, houses the movable block 3 and the hemispherical column 4. The mounting plate 11 is made of high-strength metal material to ensure that it can bear the weight of the movable block 3 and the hemispherical column 4. The mounting holes 12 are used to fix the movable block 3 to the outside of the mounting plate 11 in conjunction with the limiting frame 7, so as to ensure that the movable block 3 will not loosen or shift during the collision. The design of multiple mounting holes 12 can accommodate multiple movable blocks 3.

[0034] A limiting plate 13 is fixedly connected to the side wall of the fixing block 1, and the limiting plate 13 is fixedly connected to the fixing block 1.

[0035] For example, the main function of the limiting plate 13 is to limit the sliding range of the moving block 3 and prevent it from sliding out of the mounting plate 11 during storage. The shape and size of the limiting plate 13 are designed according to the movement trajectory of the moving block 3. It is usually made of metal plate with a certain thickness and strength. The surface of the limiting plate 13 is specially treated, such as by adding a wear-resistant coating, to improve its service life and reliability.

[0036] A test vehicle 14 is provided on one side of the fixed block 1.

[0037] For example, the test vehicle 14 is the object of this testing device. The test vehicle 14 can move in a straight line at different speeds. The test vehicle 14 is installed on the bumper to be tested. The test vehicle 14 moves the bumper to simulate the actual collision situation. During the test, the test vehicle 14 moves towards the testing device at a predetermined speed, so that the bumper collides with the hemispherical column 4. The speed of the test vehicle 14 can be precisely controlled by a special testing device to ensure that the conditions of each collision are consistent, thereby improving the repeatability and accuracy of the test results.

[0038] Working principle: When using this utility model, the moving block 3 is first stored on the mounting plate 11, and the bumper to be tested is installed at the front end of the test vehicle 14. The test vehicle 14 moves in a straight line, and the speed of the test vehicle 14 is controlled to collide with the impact bar 2 under different conditions. After the collision, the damage to the bumper is checked.

[0039] By pulling out the limiting bracket 7, the limiting bracket 7 disengages from the mounting hole 12, releasing the limitation on the moving block 3, making it easy to remove the moving block 3 from the mounting plate 11. The removed moving block 3 is then installed on the T-shaped block 6. By cooperating with the limiting holes 9 at different positions, the moving block 3 can be installed in different positions. When the test vehicle 14 drives straight and crashes into it, by installing the moving block 3 in different positions, it is easy to detect the damage to different parts of the bumper after a collision.

[0040] 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 vehicle bumper collision detection device, characterized in that, include: A fixed block (1) is provided, and a striking rod (2) is fixedly connected to the side wall of the fixed block (1). A moving block (3) is slidably connected to the outside of the striking rod (2). The moving block (3) is slidably connected to the fixed block (1). A hemispherical column (4) is fixedly connected to the side wall of the moving block (3). A sliding groove (5) is provided inside the moving block (3). A T-shaped block (6) is fixedly connected to the upper end of the moving block (3). The T-shaped block (6) is slidably connected to the sliding groove (5).

2. The vehicle bumper collision detection device according to claim 1, characterized in that, The movable block (3) is internally slidably connected to a limiting frame (7), and a spring (8) is provided on the outside of the limiting frame (7).

3. The vehicle bumper collision detection device according to claim 1, characterized in that, The upper end of the T-shaped block (6) is provided with a plurality of ring-shaped limiting holes (9), one of which is slidably connected to the limiting frame (7).

4. The vehicle bumper collision detection device according to claim 1, characterized in that, A support plate (10) is fixedly connected to the side wall of the fixing block (1).

5. A vehicle bumper collision detection device according to claim 4, characterized in that, A mounting plate (11) is fixedly connected to the side wall of the fixing block (1), and a plurality of mounting holes (12) are evenly distributed at the upper end of the mounting plate (11).

6. A vehicle bumper collision detection device according to claim 5, characterized in that, A limiting plate (13) is fixedly connected to the side wall of the fixing block (1), and the limiting plate (13) is fixedly connected to the fixing block (1).

7. A vehicle bumper collision detection device according to claim 6, characterized in that, A test vehicle (14) is provided on one side of the fixed block (1).

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