CN103303232B - A kind of collision buffer protection device for motor vehicle - Google Patents
A kind of collision buffer protection device for motor vehicle Download PDFInfo
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- CN103303232B CN103303232B CN201310284700.3A CN201310284700A CN103303232B CN 103303232 B CN103303232 B CN 103303232B CN 201310284700 A CN201310284700 A CN 201310284700A CN 103303232 B CN103303232 B CN 103303232B
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- stressed plate
- gas compression
- compression cylinder
- bumper
- exhaust valve
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Abstract
The present invention discloses a kind of collision buffer protection device for motor vehicle, comprises bumper/spoiler, stressed plate two, gas compression cylinder, bracing frame, shearing bolt, decompression exhaust valve; Stressed plate two is set after described bumper/spoiler; Described stressed plate two is connected with the piston end of gas compression cylinder; The cylinder body bottom of described gas compression cylinder arranges decompression exhaust valve; Described gas compression cylinder is arranged in bracing frame; Support frame as described above one end and stressed plate two are fixed, and one end is bolted on self-propelled vehicle main frame beam by shearing in addition.Advantage of the present invention is: utilize the compressible principle of gas to absorb and clash into kinetic energy, do not rebound, do not produce whipping effect, protect the safety of the personnel on vehicle and vehicle after utilizing decompression exhaust valve exhaust to make shock.
Description
Technical field
The present invention relates to automotive field, is a kind of collision buffer protection device for motor vehicle specifically.
Background technology
Along with the increase of automobile pollution, the safety of people to automobile is more and more paid attention to.Bumper/spoiler is positioned at the front of automobile, ability during Absorbable rod Vehicular impact, thus the safety of protection automotive engine and passengers inside the car.The kinetic energy that existing safety lever adopts elastic energy absorbing device to absorb collision to produce usually, also have and utilize the distortion of metal to carry out absorbing impact energy, as Chinese Patent Application No.: 201010003524.8 applyings date: 2010-01-12, name is called: bumper damper, applicant: German Benteler Automobiltechnik GmbH discloses a kind of bumper damper for automobile, comprising one can transverse to the fixing crossbeam of the longeron of automobile frame; That the cross-sectional configuration of crossbeam becomes U-shaped and there are a fishplate bar and two sides; The fishplate bar of crossbeam is towards automobile.In front side, crossbeam is closed by reinforcing profile; Reinforcing profile is configured to hollow profile and has the cross-sectional plane of T-shaped.In addition, Chinese Patent Application No.: 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 by adopting assembly unit adopting bolt, the rear bumper energy disperser of rear bumper and postbrachium are interconnected.In addition, adopt duct member to replace rear bumper reinforcement feature, and described duct member is placed in the recess that formed together with described rear bumper energy disperser.As a result, described rear bumper energy disperser combines with described duct member provides higher energy absorption performance.Use installation step to replace bolt Connection Step, make fitting work simpler and easy.In addition, owing to no longer needing described rear bumper reinforcement feature, so provide lighter bumper/spoiler.Similar patent is many in addition, but they have a common ground, cannot ensure the rebound effect of clashing into rear vehicle exactly, just not saying utilize the shock absorber of elastic element, after elastic element absorbs and clashes into 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 a crash occurs, often only overlap after flow of metal, the resilient property of metal causes elastic potential energy to discharge, and can cause the bounce-back of vehicle equally; And the bounce-back of vehicle often causes the head of passengers inside the car to produce whipping effect, that is: top little outshot due to quality and rigidity smaller, each back and forth turnover moment, form larger speed, produce larger displacement, just the same with the point of whip, this phenomenon is called whipping effect.This is because, the torso portion of human body fetters by safety strap, but head is free end, when auto against, torso portion fetters by safety strap, speed is consistent with vehicle body velocities, but head is the speed before collision, because torso portion stops suddenly, and be subject to the effect of screen resilience, torso portion is moved after stopping in the reverse direction, and head moves on, as whipping effect, above-mentioned patent all produces the resilience of torso portion when colliding, and 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, can alleviate the extent of injury of amount of vehicle damage and driver and conductor when self-propelled vehicle collides, concrete scheme is as follows:
A kind of collision buffer protection device for motor vehicle, comprises bumper/spoiler, stressed plate two, gas compression cylinder, bracing frame, shearing bolt, decompression exhaust valve; Stressed plate two is set after described bumper/spoiler; Described stressed plate two is connected with the piston end of gas compression cylinder; The cylinder body bottom of described gas compression cylinder arranges decompression exhaust valve; Described gas compression cylinder is arranged in bracing frame; Support frame as described above one end and stressed plate two are fixed, and one end is bolted on self-propelled vehicle main frame beam by shearing in addition.
Arrange stressed plate one between described bumper/spoiler, stressed plate two, the width of described stressed plate one is greater than the width of stressed plate two; Between described stressed plate one and stressed plate two, spring is set.
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 gas compression cylinder.
Described shearing bolt is many groups, and each group shearing bolt is different from the gap of self-propelled vehicle main frame beam, change from small to big along the tailstock to headstock direction (or from large to small).
Described gas compression cylinder piston head face is sphere.
Support frame as described above is outwards heaved, described in the position of heaving gap is set.
Described gas compression cylinder is multistage.
Advantage of the present invention is: utilize the compressible principle of gas to absorb and clash into kinetic energy, do not rebound, do not produce whipping effect, protect the safety of the personnel on vehicle and vehicle after utilizing decompression exhaust valve exhaust to make shock.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is for clashing into rear structural representation of the present invention;
Fig. 3 is structural representation of the present invention after clashing into further;
Fig. 4 is 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.
Detailed description of the invention
Illustrate the present invention below in conjunction with accompanying drawing, as shown in figs 1 to 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 arranges stressed plate 23 below; 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 decompression exhaust valve 6; Described gas compression cylinder 5 is arranged in bracing frame 4; Support frame as described above 4 one end and stressed plate 23 are fixed, and one end is fixed on self-propelled vehicle main frame beam 9 by shearing bolt 8 in addition.
The impact transmitted for assurance thick stick is consistent with the compression direction of gas compression cylinder 5 as much as possible, between described bumper/spoiler 1, stressed plate 23, stressed plate 1 is set, the width of described stressed plate 1 is greater than the width of stressed plate 23, arranges spring 10 between described stressed plate 1 and stressed plate 23.
As shown in Figure 5, for save after vehicle bumper can installing space, 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 ensureing the safety of self-propelled vehicle main frame beam 9 further, support frame as described above 4 and self-propelled vehicle main frame beam 9 arrange gas compression cylinder 5.
As shown in Figure 7; described shearing bolt 8 is many groups; and each group shearing bolt 8 is different from the gap of self-propelled vehicle main frame beam 9; change from small to big along the tailstock to headstock direction (or from large to small); the progressively increase along with the degree of clashing into can be ensured like this; shearing bolt 8 by by with cutting off, namely protecting vehicle main frame beam, also buffer action being created to shock.In Fig. 7, gap 91 is less than gap 92, namely ensures the shearing bolt first sheared below, and then shears shearing bolt above.
As shown in Figure 6, for ensureing that the shock come by inclined-plane converts the impulsive force in front to, described gas compression cylinder 5 piston head face 51 is sphere, the impact on such inclined-plane is decomposed into the impact in front and the impact of side, and the impact of side is absorbed by spring, the impact in front is absorbed by device of the present invention.
As shown in Figure 4, for playing sorption further, support frame as described above 4 is outwards heaved, described in the position of heaving gap 41 is set, like this when clash into occur time, bracing frame 4 is outwards heaved, due to stress concentration effect, when impact is larger, rupture from gap 41 place, ensure that gas compression cylinder 5 can compress completely, thus absorb shock kinetic energy.
For protection self-propelled vehicle main frame beam and further absorption clash into kinetic energy, between described support frame as described above 4 and self-propelled vehicle main frame beam 9, multistage compression cylinder 5 is set.
Described decompression exhaust valve refers to installs multiple blow off valve bottom compressor cylinder, and the startup exhaust gas pressure setting each blow off valve is not etc., like this, along with the increase gradually of pressure, blow off valve also progressively starts thereupon, gas is discharged, thus reaches the object of decompression, by decompression exhaust step by step, compressor cylinder is not had in compression process least.Described blow off valve can adopt commercially available prod.
Claims (6)
1. a collision buffer protection device for motor vehicle, is characterized in that: comprise bumper/spoiler, stressed plate two, gas compression cylinder, bracing frame, shearing bolt, decompression exhaust valve; Stressed plate two is set after described bumper/spoiler; Described stressed plate two is connected with the piston end of gas compression cylinder; The cylinder body bottom of described gas compression cylinder arranges decompression exhaust valve; Described gas compression cylinder is arranged in bracing frame; Support frame as described above one end and stressed plate two are fixed, and one end is bolted on self-propelled vehicle main frame beam by shearing in addition; Support frame as described above is outwards heaved, described in the position of heaving gap is set; Described shearing bolt is many groups, and each group to shear bolt different from the gap of self-propelled vehicle main frame beam, to change from small to big along the tailstock to headstock direction or from large to small.
2. device according to claim 1, is characterized in that: arrange stressed plate one between described bumper/spoiler, stressed plate two, and the width of described stressed plate one is greater than the width of stressed plate two; Between described stressed plate one and stressed plate two, spring is set.
3. device according to claim 1, 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, and 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, is characterized in that: support frame as described above and self-propelled vehicle main frame beam arrange gas compression cylinder; Decompression exhaust valve is installed in described gas compression cylinder bottom portion.
5. device according to claim 1, is characterized in that: described gas compression cylinder piston head face is sphere.
6. device according to claim 4, is characterized in that: described gas 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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| Publication Number | Publication Date |
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| CN103303232A CN103303232A (en) | 2013-09-18 |
| CN103303232B true 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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| CN (1) | CN103303232B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3106544A1 (en) * | 2020-01-27 | 2021-07-30 | Renault S.A.S | Energy-absorbing safety device fitted to a motor vehicle. |
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|---|---|---|---|---|
| CN103552530B (en) * | 2013-11-15 | 2017-02-08 | 常州信息职业技术学院 | Anti-collision device for automobile |
| 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 |
| CN106564457B (en) * | 2016-11-15 | 2018-10-16 | 华侨大学 | A kind of combined type crash energy absorption equipment |
| 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 |
| 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 |
| CN108891369A (en) * | 2018-04-09 | 2018-11-27 | 福建路达交通设施有限公司 | A kind of Highway Maintenance vehicle of good buffer effect |
| 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 |
| CN112874635B (en) * | 2021-01-29 | 2022-07-12 | 北京汽车股份有限公司 | Auxiliary frame longitudinal beam structure and vehicle |
| CN113752972B (en) * | 2021-11-09 | 2022-02-22 | 杭州新林达自动化科技有限公司 | New energy automobile collision energy-absorbing box |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2612575Y (en) * | 2002-08-26 | 2004-04-21 | 刘德伟 | Crash proof auto recovery bumper of car |
| GB2422645A (en) * | 2005-02-01 | 2006-08-02 | Autoliv Dev | A safety arrangement for use in a motor vehicle |
| CN201049624Y (en) * | 2007-06-05 | 2008-04-23 | 高峰 | Impact cushioning and protecting device for automobile |
| CN203332018U (en) * | 2013-07-08 | 2013-12-11 | 白波 | Motor vehicle collision buffering protection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001219799A (en) * | 2000-02-09 | 2001-08-14 | Kunio Nakajima | Shock absorber |
-
2013
- 2013-07-08 CN CN201310284700.3A patent/CN103303232B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2612575Y (en) * | 2002-08-26 | 2004-04-21 | 刘德伟 | Crash proof auto recovery bumper of car |
| GB2422645A (en) * | 2005-02-01 | 2006-08-02 | Autoliv Dev | A safety arrangement for use in a motor vehicle |
| CN201049624Y (en) * | 2007-06-05 | 2008-04-23 | 高峰 | Impact cushioning and protecting device for automobile |
| CN203332018U (en) * | 2013-07-08 | 2013-12-11 | 白波 | Motor vehicle collision buffering protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3106544A1 (en) * | 2020-01-27 | 2021-07-30 | Renault S.A.S | Energy-absorbing safety device fitted to a motor vehicle. |
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| CN103303232A (en) | 2013-09-18 |
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