CN103303232A - Collision buffer protection device for motor vehicle - Google Patents
Collision buffer protection device for motor vehicle Download PDFInfo
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- CN103303232A CN103303232A CN2013102847003A CN201310284700A CN103303232A CN 103303232 A CN103303232 A CN 103303232A CN 2013102847003 A CN2013102847003 A CN 2013102847003A CN 201310284700 A CN201310284700 A CN 201310284700A CN 103303232 A CN103303232 A CN 103303232A
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- compression cylinder
- gas compression
- stressed plate
- bumper
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Abstract
The invention discloses a collision buffer protection device for a motor vehicle. The collision buffer protection device comprises a bumper, a second stress plate, an air compression cylinder, a supporting frame, a shear bolt and a multistage decompression exhaust valve, wherein the second stress plate is arranged behind the bumper; the second stress plate is connected with the piston end of the air compression cylinder; the multistage decompression exhaust valve is arranged at the bottom end of a cylinder body of the air compression cylinder; the air compression cylinder is arranged in the supporting frame; one end of the supporting frame is fixed with the second stress plate; the other end of the supporting frame is fixed to a main frame beam of the motor vehicle through the shear bolt. The collision buffer protection device has the advantages as follows: the impact kinetic energy is absorbed by an air compressible principle, air is exhausted by the multistage decompression exhaust valve, the rebounding and whipping phenomena cannot be caused after impaction, and the safety of the vehicle and passengers in the vehicle is protected.
Description
Technical field
The present invention relates to automotive field, is a kind of collision of motor-driven vehicles buffer protection device specifically.
Background technology
Along with the increase of automobile pollution, people more and more pay attention to the safety of automobile.Bumper/spoiler is positioned at the place ahead of automobile, the ability in the time of can absorbing Vehicular impact, thereby protection automotive engine and passengers inside the car's safety.Existing safety lever adopts elastic energy absorbing device to absorb the kinetic energy that collision produces usually, also have and utilize the distortion of metal to come absorbing impact energy, such as Chinese patent application number: 201010003524.8 applyings date: 2010-01-12, name is called: bumper damper, the applicant: German Benteler Automobiltechnik GmbH discloses a kind of bumper damper for automobile, comprise one can be transverse to the fixing crossbeam of the longeron of automobile frame; That the cross-sectional configuration of crossbeam becomes U-shaped and have a fishplate bar and two sides; The fishplate bar of crossbeam is towards automobile.In the front side, crossbeam seals by reinforcing profile; Reinforcing profile is configured to hollow profile and has the cross-sectional plane of T shape.In addition, Chinese patent application number: 200710151733.5, the applying date: 2007-09-27, name is called " bumper of vehicles ", applicant: Toyota Motor Corporation rep. also discloses a kind of bumper of vehicles.In described bumper of vehicles, replace adopting bolt by adopting assembly unit, rear bumper energy disperser and the postbrachium of rear bumper are interconnected.In addition, adopt duct member to replace the rear bumper reinforcement feature, and described duct member place in the recess that forms with described rear bumper energy disperser.As a result, described rear bumper energy disperser and described duct member combine the energy absorption performance that provides higher.Use installation step to replace the bolt Connection Step, so that fitting work is simpler and easy.In addition, owing to no longer need described rear bumper reinforcement feature, so lighter bumper/spoiler is provided.Similarly patent is many in addition, but they have a common ground, can't guarantee to clash into exactly the rebound effect of rear vehicle, just not saying utilize the shock absorber of elastic element, after elastic element absorbed bump kinetic energy, the release of elastic potential energy must cause the bounce-back of vehicle; And there is Similar Problems too in the distortion of patent utilization metal construction above-mentioned, because metal all has elasticity, when bump occurs, often only overlap after the flow of metal, the resilient property of metal causes elastic potential energy to discharge, and can cause equally the bounce-back of vehicle; And the bounce-back of vehicle tends to cause passengers inside the car's head to produce whipping effect, that is: the little outshot at top is because quality and rigidity are smaller, in each turnover moment back and forth, form larger speed, produce larger displacement, sharp the same with whip just, this phenomenon is called whipping effect.This be because, safety strap fetters the torso portion of human body, but head is free end, when auto against, torso portion is fettered by safety strap, speed is consistent with vehicle body speed, but head is the speed before the collision, because the torso portion cut, and be subject to the effect of screen resilience, torso portion stops backward direction of retreat motion, and head moves on, as whipping effect, above-mentioned patent all produces torso portion when collision resilience does not solve the destructiveness infringement that whipping effect causes passenger's neck.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of collision of motor-driven vehicles fender guard, amount of vehicle damage and driver and conductor's extent of injury in the time of can alleviating self-propelled vehicle and bump, concrete scheme is as follows:
A kind of collision of motor-driven vehicles buffer protection device comprises bumper/spoiler, stressed plate two, gas compression cylinder, bracing frame, shearing bolt, decompression exhaust valve; Described bumper/spoiler back arranges stressed plate two; Described stressed plate two is connected with the piston end of gas compression cylinder; The cylinder body bottom of described gas compression cylinder arranges the decompression exhaust valve; Described gas compression cylinder is arranged in the bracing frame; Support frame as described above one end and stressed plate two are fixing, and an other end is bolted on the self-propelled vehicle main frame beam by shearing.
Described bumper/spoiler, two of stressed plates arrange stressed plate one, and the width of described stressed plate one is greater than the width of stressed plate two; Two of described stressed plate one and stressed plates arrange spring.
Described gas compression cylinder is multistage, and from the second stage, the cylinder body of every one-level is the piston of next stage, and except the cylinder body of the first order and afterbody, the bottom of other every grade cylinder body arranges air extractor vent.
Support frame as described above and self-propelled vehicle main frame beam arrange the gas compression cylinder.
Described shearing bolt is many groups, and each group to shear bolt different from the gap of self-propelled vehicle main frame beam, along the tailstock to headstock direction change from small to big (or from large to small).
Described gas compression cylinder piston head face is sphere.
Support frame as described above is outwards heaved, and described position of heaving arranges gap.
Described compression cylinder is multistage.
Advantage of the present invention is: utilize the compressible principle of gas to absorb bump kinetic energy, do not rebound after utilizing the exhaust of multi-step pressure reduction blow off valve to make bump, do not produce whipping effect, protected the safety of the personnel on vehicle and the vehicle.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the rear structural representation of the present invention of bump;
Fig. 3 is structural representation of the present invention after further clashing into;
Fig. 4 is the bracing frame partial enlarged drawing;
Fig. 5 is gas compression cylinder enlarged drawing;
Fig. 6 is that figure is sent out at gas compression cylinder top large;
Fig. 7 is for shearing bolt and self-propelled vehicle main car frame gap schematic diagram.
The specific embodiment
Specify the present invention below in conjunction with accompanying drawing, such as Fig. 1-shown in Figure 6, comprise bumper/spoiler 1, stressed plate 23, gas compression cylinder 5, bracing frame 4, shear bolt 8, decompression exhaust valve 6; Described bumper/spoiler 1 back arranges stressed plate 23; Described stressed plate 23 is connected with the piston end of gas compression cylinder 5; The cylinder body bottom of described gas compression cylinder 5 arranges multi-step pressure reduction blow off valve 6; Described gas compression cylinder 5 is arranged in the bracing frame 4; Support frame as described above 4 one ends and stressed plate 23 are fixing, and an other end is fixed on the self-propelled vehicle main frame beam 9 by shearing bolt 8.
The impact that transmits for the assurance thick stick is consistent with the compression direction of gas compression cylinder 5 as much as possible, described bumper/spoiler 1,23 of stressed plates arrange stressed plate 1, the width of described stressed plate 1 is greater than the width of stressed plate 23, and 23 of described stressed plate 1 and stressed plates arrange spring 10.
As shown in Figure 5, but for saving the installing space of vehicle bumper back, and buffering percussive force, described gas compression cylinder 5 is multistage, and from the second stage, the cylinder body of every one-level is the piston of next stage, except the cylinder body of the first order and afterbody, the bottom of other every grade cylinder body arranges air extractor vent 52.
For further guaranteeing the safety of self-propelled vehicle main frame beam 9, support frame as described above 4 arranges gas compression cylinder 5 with self-propelled vehicle main frame beam 9.
As shown in Figure 7; described shearing bolt 8 is many groups; and it is different from the gap of self-propelled vehicle main frame beam 9 that each group is sheared bolt 8; along the tailstock to headstock direction change from small to big (or from large to small); can guarantee so the progressively increase along with the degree of bump; shear bolt 8 and cut off by following, namely protected the vehicle main frame beam, also bump has been produced buffer action.Among Fig. 7, gap 91 namely guarantees at first to shear following shearing bolt less than gap 92, and then the shearing bolt above shearing.
As shown in Figure 6, for guaranteeing to convert positive impulsive force to by the bump that the inclined-plane comes, described gas compression cylinder 5 piston head faces 51 are sphere, the impact on inclined-plane can resolve into positive impact and the impact of side like this, and the impact of side is absorbed by spring, and positive impact is absorbed by device of the present invention.
As shown in Figure 4, for further playing sorption, support frame as described above 4 is outwards heaved, and described position of heaving arranges gap 41, like this when bump occurs, bracing frame 4 is outwards heaved, because stress concentration effect when impact is larger, ruptures from gap 41 places, guarantee that gas compression cylinder 5 can compress fully, thereby absorb bump kinetic energy.
For protection self-propelled vehicle main frame beam and the further bump kinetic energy that absorbs, between described support frame as described above 4 and the self-propelled vehicle main frame beam 9 multistage compression cylinder 5 is set.
Described multi-step pressure reduction blow off valve refers to a plurality of blows off valve of compressor cylinder bottom installation, and the startup exhaust gas pressure of setting each blow off valve does not wait, like this, gradually increase along with pressure, blow off valve also progressively starts thereupon, gas is discharged, thereby reach the purpose of decompression, make compressor cylinder in compression process, not have bounce-back by decompression exhaust step by step.Described blow off valve can adopt the commercially available prod.
Claims (8)
1. a collision of motor-driven vehicles buffer protection device is characterized in that: comprise bumper/spoiler, stressed plate two, gas compression cylinder, bracing frame, shearing bolt, multi-step pressure reduction blow off valve; Described bumper/spoiler back arranges stressed plate two; Described stressed plate two is connected with the piston end of gas compression cylinder; The cylinder body bottom of described gas compression cylinder arranges the decompression exhaust valve; Described gas compression cylinder is arranged in the bracing frame; Support frame as described above one end and stressed plate two are fixing, and an other end is bolted on the self-propelled vehicle main frame beam by shearing.
2. device according to claim 1, it is characterized in that: described bumper/spoiler, two of stressed plates arrange stressed plate one, and the width of described stressed plate one is greater than the width of stressed plate two; Two of described stressed plate one and stressed plates arrange spring.
3. device according to claim 1, it is characterized in that: described gas compression cylinder is multistage, and from the second stage, the cylinder body of every one-level is the piston of next stage, except the cylinder body of the first order and afterbody, the bottom of other every grade cylinder body arranges air extractor vent.
4. device according to claim 1, it is characterized in that: support frame as described above and self-propelled vehicle main frame beam arrange the gas compression cylinder; The multi-step pressure reduction blow off valve is installed in described compressor cylinder bottom.
5. device according to claim 1 is characterized in that: described shearing bolt is many groups, and each group to shear bolt different from the gap of self-propelled vehicle main frame beam, change from small to big or from large to small along the tailstock to headstock direction.
6. device according to claim 1, it is characterized in that: described gas compression cylinder piston head face is sphere.
7. device according to claim 1, it is characterized in that: support frame as described above is outwards heaved, and described position of heaving arranges gap.
8. device according to claim 4, it is characterized in that: described compression cylinder is multistage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284700.3A CN103303232B (en) | 2013-07-08 | 2013-07-08 | A kind of collision buffer protection device for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284700.3A CN103303232B (en) | 2013-07-08 | 2013-07-08 | A kind of collision buffer protection device for motor vehicle |
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| CN103303232A true CN103303232A (en) | 2013-09-18 |
| CN103303232B CN103303232B (en) | 2015-08-12 |
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| CN201310284700.3A Active CN103303232B (en) | 2013-07-08 | 2013-07-08 | A kind of collision buffer protection device for motor vehicle |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552530A (en) * | 2013-11-15 | 2014-02-05 | 邓忠敏 | Anti-collision device for automobile |
| CN104627101A (en) * | 2015-02-15 | 2015-05-20 | 黄思明 | Automobile anticollision device |
| CN106143372A (en) * | 2016-09-12 | 2016-11-23 | 贵州大学 | A kind of energy absorbing bumper |
| CN106564457A (en) * | 2016-11-15 | 2017-04-19 | 华侨大学 | Combined type buffering energy absorbing device |
| CN107776844A (en) * | 2017-12-13 | 2018-03-09 | 泰兴市汇辰过滤器制造有限公司 | A kind of ship uses back port anticollision mechanism |
| CN108382337A (en) * | 2018-01-12 | 2018-08-10 | 吉林大学 | A kind of vehicle energy absorption box and its energy-absorbing adjusting method with two-layer configuration |
| CN110356348A (en) * | 2018-04-09 | 2019-10-22 | 福建路达交通设施有限公司 | A kind of Highway Maintenance vehicle |
| CN111002938A (en) * | 2019-12-24 | 2020-04-14 | 上海工程技术大学 | Device for buffering side impact of automobile |
| CN112061253A (en) * | 2020-09-23 | 2020-12-11 | 杭州获锡汽车部件有限公司 | Multifunctional automobile tail wing |
| CN112874635A (en) * | 2021-01-29 | 2021-06-01 | 北京汽车股份有限公司 | Auxiliary frame longitudinal beam structure and vehicle |
| CN113752972A (en) * | 2021-11-09 | 2021-12-07 | 杭州新林达自动化科技有限公司 | New energy automobile collision energy-absorbing box |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3106544B1 (en) * | 2020-01-27 | 2022-11-18 | Renault Sas | Energy-absorbing safety device fitted to a motor vehicle. |
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| CN203332018U (en) * | 2013-07-08 | 2013-12-11 | 白波 | Motor vehicle collision buffering protection device |
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| US3700273A (en) * | 1970-11-19 | 1972-10-24 | Gen Motors Corp | Energy absorbing bumper system |
| EP0987148A1 (en) * | 1998-09-15 | 2000-03-22 | Gerhard Rumpp | Grill guard with energy absorber |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552530A (en) * | 2013-11-15 | 2014-02-05 | 邓忠敏 | Anti-collision device for automobile |
| CN103552530B (en) * | 2013-11-15 | 2017-02-08 | 常州信息职业技术学院 | Anti-collision device for automobile |
| CN104627101A (en) * | 2015-02-15 | 2015-05-20 | 黄思明 | Automobile anticollision device |
| CN104627101B (en) * | 2015-02-15 | 2017-08-11 | 黄思明 | Anti-collision device for automobile |
| CN106143372A (en) * | 2016-09-12 | 2016-11-23 | 贵州大学 | A kind of energy absorbing bumper |
| CN106564457A (en) * | 2016-11-15 | 2017-04-19 | 华侨大学 | Combined type buffering energy absorbing device |
| CN107776844A (en) * | 2017-12-13 | 2018-03-09 | 泰兴市汇辰过滤器制造有限公司 | A kind of ship uses back port anticollision mechanism |
| CN108382337A (en) * | 2018-01-12 | 2018-08-10 | 吉林大学 | A kind of vehicle energy absorption box and its energy-absorbing adjusting method with two-layer configuration |
| CN108382337B (en) * | 2018-01-12 | 2023-05-16 | 吉林大学 | Automobile energy absorption box with two-stage structure and energy absorption adjusting method thereof |
| CN110356348A (en) * | 2018-04-09 | 2019-10-22 | 福建路达交通设施有限公司 | A kind of Highway Maintenance vehicle |
| CN110356348B (en) * | 2018-04-09 | 2022-06-21 | 福建路达交通设施有限公司 | Highway maintenance car |
| CN111002938A (en) * | 2019-12-24 | 2020-04-14 | 上海工程技术大学 | Device for buffering side impact of automobile |
| CN112061253A (en) * | 2020-09-23 | 2020-12-11 | 杭州获锡汽车部件有限公司 | Multifunctional automobile tail wing |
| CN112874635A (en) * | 2021-01-29 | 2021-06-01 | 北京汽车股份有限公司 | Auxiliary frame longitudinal beam structure and vehicle |
| CN113752972A (en) * | 2021-11-09 | 2021-12-07 | 杭州新林达自动化科技有限公司 | New energy automobile collision energy-absorbing box |
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| CN103303232B (en) | 2015-08-12 |
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