A cushioning device and method for reducing vehicle impact damage

Abstract

The application relates to the field of vehicle collision buffering technology, in particular to a buffering device and method for reducing vehicle collision damage, which comprises a support frame and a second buffering spring arranged on the side of a vehicle body, a protection frame arranged at the front end of the vehicle body, a sliding seat arranged at the bottom of the protection frame, a buffering spring arranged at one end of the sliding seat, and a traction wheel arranged in the support frame. The protection frame is moved backward by the buffering spring after the protection frame contacts with a building, the impact force of the protection frame is reduced by the buffering spring, a supporting plate is arranged in the protection frame, the supporting plate can play a supporting role in the protection frame after the protection frame contacts with the outside, the problem that the protection frame is directly pressed flat to cause damage to the surface of the vehicle body is prevented, the structure of the general protection frame is relatively simple, energy is absorbed by the self-collapse deformation of the steel pipe when collision occurs, the front part of the vehicle body is easily damaged, the safety of the police vehicle and the police personnel cannot be protected.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle collision buffering, and specifically to a buffering device and method for reducing vehicle collision damage. Background Art

[0002] With the continuous improvement of the living standards of residents in our country, the domestic car ownership has increased rapidly in recent years. This not only provides convenience for residents' travel, but also provides a carrier for lawbreakers to commit violence, greatly increasing the potential threats for the armed police and public security to perform tasks such as duty security. Police vehicles are often equipped with advanced performance. Through special tuning of the powertrain, chassis suspension, braking device, etc., the vehicle performance can exceed most vehicles in the civilian market, forming an overwhelming advantage over criminals.

[0003] In the prior art, in order to reduce the damage degree of the vehicle during a collision, a vehicle buffering device is generally installed at the front end of the vehicle. It is mainly composed of several round steel pipes welded together and installed at the front of the police vehicle through bolts. In this way, when the vehicle collides, the rigid buffering steel pipes can be used to play a buffering role to reduce the damage to the vehicle.

[0004] However, the above technical solution has a relatively simple structure. During a collision, energy is absorbed through the self-collapse and deformation of the steel pipe. This solution has a poor energy absorption effect during the collision process, is prone to damage the front part of the vehicle body, and cannot protect the safety of police vehicles and police officers. Summary of the Invention

[0005] The purpose of the present invention is to provide a buffering device and method for reducing vehicle collision damage to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A buffering device for reducing vehicle collision damage, including a vehicle body. A base is provided at the bottom of the vehicle body. A placement groove is opened on the surface of the base, a sliding hole is opened on the side of the placement groove, a sliding seat is arranged in the placement groove, a buffer spring is arranged at one end of the sliding seat, a protective frame is arranged on the surface of the sliding seat, and a slider plate is arranged on the side of the vehicle body; A support frame, a traction wheel is arranged inside the support frame, a support plate is arranged on the side of the support frame, a guide plate is arranged at one end of the support plate, a positioning frame is arranged on the inner side of the support frame, a through hole is opened on the surface of the positioning frame, a vertical rod is arranged in the through hole, and a second buffer spring is sleeved on the surface of the vertical rod; A support rod, a clamping ring is sleeved on the surface of the support rod, a vertical plate is arranged on the surface of the clamping ring, and a support plate is arranged at one end of the vertical plate.

[0007] Preferably, a frame body is arranged on the inner side of the protective frame, an airbag is arranged inside the frame body, a rubber pad is arranged on the surface of the airbag, the airbag is adhesively bonded to the inner surface of the frame body, and a fixing plate is arranged at the bottom of the protective frame. The fixing plate is in a "C"-shaped plate structure.

[0008] Preferably, the base is fixedly connected to the bottom of the vehicle body. A stop block is provided on the side of the sliding seat. The stop block is inserted into the sliding hole and can slide within the sliding hole. A groove is formed on the surface of the stop block, and a limiting rod is arranged in the groove. The limiting rod is made of brittle material and can automatically break when encountering a large impact force. The limiting rod is fixed in the groove by bolts, and the other end of the limiting rod is fixedly connected to the side of the base.

[0009] Preferably, one end of the buffer spring is fixedly connected to the end face of the sliding seat, and the other end of the buffer spring is fixedly connected to the end face of the placement groove. There are multiple groups of buffer springs, and the multiple groups of buffer springs are regularly arranged linearly on the surface of the placement groove.

[0010] Preferably, one end of the vertical rod is fixedly connected to the side of the vehicle body. The positioning frame can slide on the vertical rod. One end of the second buffer spring is fixedly connected to the side of the positioning frame, and the other end of the second buffer spring is fixedly connected to the side of the vehicle body. One end of the positioning frame is fixed to the side of the support frame by bolts. There are two groups of positioning frames, and the two groups of positioning frames are symmetrically distributed up and down with respect to the support frame.

[0011] Preferably, the traction wheel can rotate within the support frame. There are multiple groups of traction wheels, and the multiple groups of traction wheels are regularly arranged linearly within the support frame. Fixed blocks and second fixed blocks are provided on the surface of the support frame. The fixed blocks are inserted into the fixing plates and can slide within the fixing plates. The second fixed blocks are inserted into the slider plates, and the slider plates are in a "U"-shaped plate structure.

[0012] Preferably, the guide plate is in a square plate structure. There are two groups of guide plates, and the two groups of guide plates are symmetrically distributed with respect to the protective frame. The guide plates are fixed at a certain angle of inclination.

[0013] Preferably, the support rod is inserted into the protective frame. The protective frame is a tubular structure. Multiple groups of sliding grooves are formed on the surface of the support rod, and the multiple groups of sliding grooves are regularly arranged circularly with respect to the support rod. A moving block is arranged in the sliding groove, and the moving block is fixedly connected to the inner ring surface of the clamping ring.

[0014] Preferably, the support plate is in an arc-shaped plate structure. Anti-slip strips are provided on the surface of the support plate (19). There are multiple groups of anti-slip strips, and the multiple groups of anti-slip strips are regularly arranged linearly on the surface of the support plate.

[0015] A method for a buffer device to reduce vehicle collision damage includes the following steps:

[0016] S1: First, install the protective frame at the front end of the vehicle body, and then fix the limiting rod in the groove to fix the base in the placement groove;

[0017] S2: secondly, the support frame is fixed on the stand by using the positioning frame, and the support frame can be displaced to a certain extent by matching the stand and the second buffer spring;

[0018] S3: finally, the support rod is fixed in the protection frame, the position of the clasp in the protection frame is adjusted, and the support plate is adjusted to the position to facilitate supporting the inner surface of the protection frame.

[0019] Compared with the prior art, the beneficial effects of the present application are:

[0020] The buffer device and method for reducing vehicle collision damage provided by the present application can reduce the impact force of the protection frame backward by using the buffer spring when the protection frame contacts with the building after the protection frame contacts with the building when the vehicle body collides with the external vehicle or building, and the support plate in the protection frame can play a supporting role when the protection frame contacts with the external hard object, thereby preventing the problem of the protection frame being directly crushed and damaging the surface of the vehicle body. Thus, the general protection frame structure is relatively simple, the energy absorption effect is poor during the collision process, the front part of the vehicle body is easily damaged, and the safety of the police vehicle and police personnel cannot be protected. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The present application is a structural schematic diagram;

[0022] Figure 2 The present application is a vehicle bottom structure schematic diagram;

[0023] Figure 3 The present application is a Figure 2 The present application is an enlarged structural schematic diagram of position A;

[0024] Figure 4 The present application is a Figure 2 The present application is an enlarged structural schematic diagram of position B;

[0025] Figure 5 The present application is a structural side view;

[0026] Figure 6 The present application is a Figure 5 The present application is an enlarged structural schematic diagram of position C;

[0027] Figure 7 The present application is a protection frame partial structure schematic diagram;

[0028] Figure 8 The present application is a Figure 7 The present application is an enlarged structural schematic diagram of position D.

[0029] In the figure: 1, vehicle body; 2, base; 3, placing groove; 4, sliding hole; 5, sliding seat; 6, buffer spring; 7, protective frame; 8, support frame; 9, traction wheel; 10, support plate; 11, guide plate; 12, positioning frame; 13, through hole; 14, vertical rod; 15, second buffer spring; 16, support rod; 17, clasp; 18, vertical plate; 19, support plate; 20, frame; 21, air bag; 22, rubber pad; 23, stop block; 24, limiting rod; 30, sliding groove; 31, moving block; 32, anti-skid strip; 33, fixed plate; 34, fixed block; 35, second fixed block; 36, sliding block plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the technical solutions in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0031] Embodiment one

[0032] Please refer to Figures 1 to 8 A buffer device for reducing damage caused by collision of a vehicle, comprising a vehicle body 1, wherein the bottom of the vehicle body 1 is provided with a base 2, the surface of the base 2 is provided with a placing groove 3, the side of the placing groove 3 is provided with a sliding hole 4, the placing groove 3 is provided with a sliding seat 5, one end of the sliding seat 5 is provided with a buffer spring 6, the surface of the sliding seat 5 is provided with a protective frame 7, and the side of the vehicle body 1 is provided with a sliding block plate 36; a support frame 8, wherein the support frame 8 is provided with a traction wheel 9, the side of the support frame 8 is provided with a support plate 10, one end of the support plate 10 is provided with a guide plate 11, the inner side of the support frame 8 is provided with a positioning frame 12, the surface of the positioning frame 12 is provided with a through hole 13, the through hole 13 is provided with a vertical rod 14, and the surface of the vertical rod 14 is provided with a second buffer spring 15; a support rod 16, wherein the surface of the support rod 16 is provided with a clasp 17, the surface of the clasp 17 is provided with a vertical plate 18, and one end of the vertical plate 18 is provided with a support plate 19.

[0033] When the vehicle body 1 collides with an external vehicle or a building, the protective frame 7 contacts the building and moves backward by the buffer spring 6, so that the impact force of the protective frame 7 is reduced by the buffer spring 6, and the support plate 19 in the protective frame 7 can play a supporting role when the protective frame 7 contacts the external hard object, so as to prevent the protective frame 7 from being directly crushed and causing damage to the surface of the vehicle body 1.

[0034] Embodiment two

[0035] On the basis of example one is provided with the protective frame 7, the protective frame 7 inside surface is provided with frame 20, frame 20 is provided with air bag 21, air bag 21 surface is provided with rubber pad 22, air bag 21 is glued to the inner surface of frame 20, the bottom of protective frame 7 is provided with fixed plate 33, fixed plate 33 is "fang" type plate structure, base 2 is fixedly connected to the bottom of vehicle body 1, the side of slide 5 is provided with stop block 23, stop block 23 is inserted into slide hole 4, stop block 23 can slide in slide hole 4, recess is set in the surface of stop block 23, limit rod 24 is arranged in the recess, limit rod 24 is made of brittle material, when encountering greater impact force, limit rod 24 can be automatically broken, limit rod 24 is fixed in the recess by bolts, the other end of limit rod 24 is fixedly connected to the side surface of base 2, one end of buffer spring 6 is fixedly connected to the end surface of slide 5, the other end of buffer spring 6 is fixedly connected to the end surface of placing groove 3, buffer spring 6 is provided with multiple groups, multiple groups of buffer spring 6 are regularly arranged linearly about the surface of placing groove 3;

[0036] When the vehicle body 1 collides in use, the rear thrust of protective frame 7 breaks limit rod 24, then the buffer spring 6 can be used to resist the rear impact of protective frame 7, reduce the impact force of protective frame 7, so that protective frame 7 impacts vehicle body 1 with lighter force, thereby reducing the damage degree of collision to vehicle body 1, the air bag 21 arranged on the inner side of protective frame 7 cooperates with rubber pad 22 to greatly reduce the pressing force of protective frame 7 on the front cover of vehicle body 1, and improve the overall safety of vehicle body 1.

[0037] Example three

[0038] On the basis of embodiment two is provided with the vertical rod 14, vertical rod 14 one end fixedly connected in the side of the vehicle body 1, positioning frame 12 can slide on the vertical rod 14, the second buffer spring 15 one end fixedly connected in the side of positioning frame 12, the second buffer spring 15 the other end is fixedly connected in the side of the vehicle body 1, positioning frame 12 one end is fixed in the side of support frame 8 by bolt, positioning frame 12 is provided with two groups, two groups of positioning frame 12 is symmetrically distributed about support frame 8, traction wheel 9 can rotate in the support frame 8, traction wheel 9 is provided with multiple groups, multiple groups of traction wheel 9 is regularly arranged in the support frame 8, support frame 8 surface is provided with fixed block 34 and second fixed block 35, fixed block 34 is inserted in the fixed plate 33, fixed block 34 can slide in the fixed plate 33, the second fixed block 35 is inserted in the sliding block plate 36, sliding block plate 36 is“Fang”type plate structure, guide plate 11 is square plate structure, guide plate 11 is provided with two groups, two groups of guide plate 11 is symmetrically distributed about the protection frame 7, guide plate 11 is inclinedly fixed at a certain angle, support rod 16 is inserted in the protection frame 7, protection frame 7 is tubular structure, the surface of support rod 16 is provided with sliding groove 30, sliding groove 30 is provided with multiple groups, multiple groups of sliding groove 30 is regularly arranged in the form of circle about support rod 16, sliding groove 30 is provided with moving block 31, moving block 31 is fixedly connected in the inner ring surface of the clasp 17, support plate 19 is arc plate structure, support plate 19 surface is provided with antiskid strip 32, antiskid strip 32 is provided with multiple groups, multiple groups of antiskid strip 32 is regularly arranged in the form of line about support plate 19 surface.

[0039] In use when the vehicle body 1 side collision occurs, can use guide plate 11 inclination angle setting and then in the use of support frame 8 with traction wheel 9 makes the vehicle body 1 automatically deviates to avoid direct impact with the object, the setting of the second buffer spring 15 also greatly reduces the impact degree of the vehicle body 1 side collision, the setting of fixed block 34 and sliding block plate 36 can avoid the support frame 8 displacement occurs deviation setting, also can be adjusted by adjusting the moving block 31 in the sliding groove 30 sliding adjustment support plate 19 in the protection frame 7 position, put more support plate 19 in the place where is easy to knock, improve the anti impact ability of protection frame 7, the setting of antiskid strip 32 can avoid the support plate 19 will move randomly in the protection frame 7 problem.

[0040] In actual use, when the vehicle body 1 collides with an external vehicle or a building, the bumper 7 is contacted with the building and then moved backward by the buffer spring 6, and the impact force of the bumper 7 is reduced by the buffer spring 6. The support plate 19 arranged in the bumper 7 can play a supporting role when the bumper 7 is contacted with the external hard object, preventing the bumper 7 from being directly crushed and damaging the surface of the vehicle body 1. Thus, the general bumper 7 structure is relatively simple, and when a collision occurs, the energy is absorbed by the self-collapse deformation of the steel pipe. The energy absorption effect of the present scheme is poor during the collision process, which can easily cause damage to the front part of the vehicle body and cannot protect the safety of the police vehicle and the police personnel.

[0041] A method for reducing the damage of a buffer device in a vehicle collision, comprising the following steps:

[0042] S1: First, install the bumper 7 at the front end of the vehicle body 1, and fix the limiting rod 24 in the groove to fix the base 2 in the placement groove 3;

[0043] S2: Second, fix the support frame 8 on the vertical rod 14 by using the positioning frame 12, so that the support frame 8 can be displaced to a certain extent in cooperation with the vertical rod 14 and the second buffer spring 15;

[0044] S3: Finally, fix the support rod 16 in the bumper 7, adjust the position of the clasp 17 in the bumper 7, and adjust the position of the support plate 19 to facilitate the support of the inner surface of the bumper 7.

[0045] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A bumper device for reducing damage in a vehicle collision, comprising a vehicle body (1), characterized by, The bottom of the vehicle body (1) is provided with a base (2), the surface of the base (2) is provided with a placing groove (3), the side of the placing groove (3) is provided with a sliding hole (4), the placing groove (3) is provided with a sliding seat (5), one end of the sliding seat (5) is provided with a buffer spring (6), the surface of the sliding seat (5) is provided with a protection frame (7), and the side of the vehicle body (1) is provided with a sliding block plate (36). A supporting frame (8) is arranged in the supporting frame (8), and the supporting frame (8) is provided with a supporting plate (10), and one end of the supporting plate (10) is provided with a guide plate (11). The inner side of the supporting frame (8) is provided with a positioning frame (12), the surface of the positioning frame (12) is provided with a through hole (13), the through hole (13) is provided with a vertical rod (14), and the surface of the vertical rod (14) is provided with a second buffer spring (15). A supporting rod (16) is arranged on the surface of the supporting rod (16), and the surface of the clamping ring (17) is provided with a vertical plate (18), and one end of the vertical plate (18) is provided with a supporting plate (19). The base (2) is fixedly connected to the bottom of the vehicle body (1), the side of the sliding seat (5) is provided with a stop block (23), the stop block (23) is inserted into the sliding hole (4), the stop block (23) can slide in the sliding hole (4), the surface of the stop block (23) is provided with a groove, the groove is provided with a limiting rod (24), the limiting rod (24) is made of brittle material, and the limiting rod (24) can be automatically broken when encountering a larger impact force. The limiting rod (24) is fixed in the groove by bolts, and the other end of the limiting rod (24) is fixedly connected to the side of the base (2).

2. The shock absorbing device of claim 1, wherein: The inner side of the protection frame (7) is provided with a frame (20), the frame (20) is provided with an air bag (21), the surface of the air bag (21) is provided with a rubber pad (22), the air bag (21) is glued to the inner surface of the frame (20), and the bottom of the protection frame (7) is provided with a fixed plate (33).

3. The cushioning device of claim 1, wherein: One end of the buffer spring (6) is fixedly connected to the end face of the sliding seat (5), the other end of the buffer spring (6) is fixedly connected to the end face of the placing groove (3), the buffer spring (6) is provided with a plurality of groups, and the plurality of groups of buffer springs (6) are regularly arranged in a linear manner on the surface of the placing groove (3).

4. The cushioning device of claim 3, wherein: One end of the vertical rod (14) is fixedly connected to the side of the vehicle body (1), the positioning frame (12) can slide on the vertical rod (14), one end of the second buffer spring (15) is fixedly connected to the side of the positioning frame (12), the other end of the second buffer spring (15) is fixedly connected to the side of the vehicle body (1), one end of the positioning frame (12) is fixed to the side of the supporting frame (8) by bolts, and the positioning frame (12) is provided with two groups. The two groups of positioning frames (12) are symmetrically distributed above and below the supporting frame (8).

5. A shock absorbing device for reducing the damage of a vehicle collision according to claim 4, wherein: The traction wheel (9) can rotate in the support frame (8), the traction wheel (9) is provided with multiple groups, multiple groups of traction wheels (9) are regularly arranged in line about the support frame (8), the surface of the support frame (8) is provided with a fixed block (34) and a second fixed block (35), the fixed block (34) is inserted into the fixed plate (33), the fixed block (34) can slide in the fixed plate (33), the second fixed block (35) is inserted into the sliding block plate (36), the sliding block plate (36) is a " " type plate structure.

6. A shock absorbing device for reducing the damage of a vehicle collision according to claim 5, wherein: The guide plate (11) is square plate structure, the guide plate (11) is provided with two groups, two groups of guide plates (11) are symmetrically distributed about the protection frame (7), the guide plate (11) is inclinedly fixed at a certain angle.

7. A shock absorbing device for reducing the damage of a vehicle collision according to claim 6, wherein: The support rod (16) is inserted into the protection frame (7), the protection frame (7) is a tubular structure, the surface of the support rod (16) is provided with a sliding groove (30), the sliding groove (30) is provided with multiple groups, multiple groups of sliding grooves (30) are regularly arranged in a circular shape about the support rod (16), the sliding groove (30) is provided with a moving block (31), the moving block (31) is fixedly connected in the inner ring surface of the clamping ring (17).

8. A shock absorbing device for reducing the damage of a vehicle collision according to claim 7, characterized in that: The support plate (19) is arc plate structure, the surface of the support plate (19) is provided with an anti-skid strip (32), the anti-skid strip (32) is provided with multiple groups, multiple groups of anti-skid strips (32) are regularly arranged in line about the surface of the support plate (19).

9. A method of installing a bumper arrangement for reducing damage to a vehicle in a collision according to any one of claims 1 to 8, characterised in that: The steps include: S1: first, the protection frame (7) is installed at the front end of the vehicle body (1), the limiting rod (24) is fixed in the groove, and the base (2) is fixed in the placing groove (3); S2: secondly, the support frame (8) is fixed on the stand rod (14) by the positioning frame (12), the support frame (8) can be displaced to a certain extent in cooperation with the stand rod (14) and the second buffer spring (15); S3: finally, the support rod (16) is fixed in the protection frame (7), the position of the clamping ring (17) in the protection frame (7) is adjusted, and the position of the support plate (19) is adjusted to facilitate the support of the inner surface of the protection frame (7).

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