CN102555962A - Front anti-collision cross beam energy absorbing device of automobiles - Google Patents
Front anti-collision cross beam energy absorbing device of automobiles Download PDFInfo
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- CN102555962A CN102555962A CN2012100104302A CN201210010430A CN102555962A CN 102555962 A CN102555962 A CN 102555962A CN 2012100104302 A CN2012100104302 A CN 2012100104302A CN 201210010430 A CN201210010430 A CN 201210010430A CN 102555962 A CN102555962 A CN 102555962A
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Abstract
The invention provides a front anti-collision cross beam energy absorbing device of automobiles, aiming at solving the problem of high repair cost of the collided anti-collision cross beam energy absorbing device of the automobiles. The device comprises a cross beam and an energy absorber, wherein the energy absorber is arranged at the two ends of the cross beam; after being improved, the energy absorber comprises an energy absorbing cup, an energy absorbing spring, a spring guide pillar and a spring base; the spring guide pillar passes through the energy absorbing cup; the spring guide pillar and one end of the energy absorbing cup are welded with the cross beam; the energy absorbing spring is sleeved at the outer side of the spring guide pillar; and the other end of the spring guide pillar is in transition matching with the spring base. According to the front anti-collision cross beam energy absorbing device, during the low-speed collision, the energy absorbing spring is compressed; with the buffer effect of the spring, the collision energy is absorbed, so that damage to passengers is reduced and damage to the front parts of the automobile is reduced; after the collision, the spring is reset, the device is prevented from unrecoverable damage, repair work of and repair cost for the front anti-collision cross beam energy absorbing device and the front parts of the automobile are reduced; during the high-speed collision, the conquassation deformation energy absorbing of the energy absorbing cup and the buffer energy absorbing of the spring take effects together, so that the damages of positive impact to an automobile body and the passengers are reduced.
Description
Technical field
The present invention relates to crashproof crossbeam energy absorption device before a kind of automobile component, particularly automobile.
Background technology
Along with progressively popularizing of automobile, people are increasingly high to its security requirement, and the legislative control on safety of automobile requires also to improve thereupon simultaneously.Crashproof crossbeam is the vitals of automobile design as the automotive front safety device before the automobile.Crashproof beam design requires before the automobile: in low speed collision, should guarantee occupant, pedestrian's safety, guarantee that again the loss of vehicle reaches minimum in collision; In high-speed crash, require to bear the absorption of car load collision portion of energy, protect occupant safety to greatest extent, reduce the damage of automobile.Crashproof beam structure design before continuing to optimize to above-mentioned designing requirement becomes the important goal of each car production producer research innovation.At present, crashproof crossbeam energy absorption device major part all adopts the energy-absorbing box before the automobile, the punch forming of energy-absorbing box; Be welded into box-like cavity; In collision process, energy-absorbing is out of shape in the conquassation of energy-absorbing box, thereby reduces occupant and pedestrian's safety; After the collision; Can receive serious damage with the conquassation automotive front of energy-absorbing box periphery parts, crashproof crossbeam energy absorption device itself also can receive expendable damage before the automobile, thereby causes automobile automotive front parts and front anti-collision beam device repair cost after collision very high.
Summary of the invention
The present invention is used to overcome the defective of above-mentioned prior art and provides a kind of under the prerequisite that satisfies the safety performance requirement, crashproof crossbeam energy absorption device before the automobile of crashproof crossbeam energy absorption device rehabilitation cost before the minimizing collision back.
The alleged problem of the present invention is that following technical scheme solves:
Crashproof crossbeam energy absorption device before a kind of automobile; It is made up of crossbeam and the energy absorber that is arranged on the crossbeam two ends; Special feature is: said energy absorber comprises energy-absorbing cup, energy-absorbing spring, spring guide pillar, spring perch, and said spring guide pillar passes the energy-absorbing cup, an end of spring guide pillar and energy-absorbing cup and crossbeam seam; Said energy-absorbing spring housing is contained in the spring guide pillar outside, the spring guide pillar other end and spring perch transition fit.
Crashproof crossbeam energy absorption device before the above-mentioned automobile, said energy-absorbing spring energy absorption is 800J-1500J, said energy-absorbing cup and energy-absorbing spring contact jaw are provided with the spring position-limited trough.
Crashproof crossbeam energy absorption device before the above-mentioned automobile, said spring perch one end is provided with connecting panel, and connecting panel is provided with bolt hole.
Crashproof crossbeam energy absorption device before the above-mentioned automobile, the cross sectional shape of said energy-absorbing cup is an annular arrangement, its inside diameter D is 60-80mm.
Crashproof crossbeam energy absorption device before the above-mentioned automobile, said energy-absorbing spring are two ends reduced structures, and the equal d1 of its two ends internal diameter is 25-30 mm, and middle inner diameter d 2 is 35-40mm, and energy-absorbing spring length is that L is 120-160mm.
The high problem of crashproof crossbeam energy absorption device collision back rehabilitation cost is improved before the present invention is directed to existing automobile, under the condition that satisfies various operating modes collision laws, laws and regulations requirement, has designed crashproof crossbeam energy absorption device before a kind of automobile that reduces collision back rehabilitation cost.Said device comprises energy-absorbing cup and energy-absorbing spring, in low speed collision, and the energy-absorbing length of spring compressed; Under the buffer action of spring, the absorbing impact energy reduces occupant, pedestrian's the injury and the damage of automotive front part; After collision finishes; Spring reset, device proper can not receive expendable damage, have reduced repair and rehabilitation cost to preceding crashproof crossbeam energy absorption device and automotive front parts like this; In high-speed crash, the buffering energy-absorbing combined action of energy-absorbing cup conquassation distortion energy-absorbing and spring has reduced the injury of positive bump to car body and occupant.
Description of drawings
Fig. 1 is a block diagram of the present invention;
Fig. 2 is a front view of the present invention;
Fig. 3 is the energy absorber block diagram;
Fig. 4 is the energy absorber front view;
Fig. 5 is the B-B cutaway view of Fig. 4
Label is represented as follows in the accompanying drawing: 1, crossbeam; 2, energy absorber; 2-1, energy-absorbing cup; 2-2, energy-absorbing spring; 2-3, connecting panel; 2-4, spring perch; 2-5, spring guide pillar; 2-6, spring position-limited trough.
The specific embodiment
Referring to Fig. 1, Fig. 2, the present invention is made up of crossbeam 1 and energy absorber 2, and energy absorber 2 is symmetricly set on the crossbeam two ends.
Improvement of the present invention is embodied on the energy absorber 2.Referring to Fig. 2-5, said energy absorber 2 is made up of energy-absorbing cup 2-1, energy-absorbing spring 2-2, spring guide pillar 2-5, spring perch 2-4 and connecting panel 2-3.Wherein spring guide pillar passes the energy-absorbing cup, and an end of spring guide pillar and energy-absorbing cup adopts CO
2Saturated weldering is welded on the two ends of crossbeam, and the energy-absorbing spring housing is contained in the spring guide pillar outside, and it is between spring guide pillar and spring perch, and the other end of spring guide pillar is set with spring perch, the hole transition fit of spring guide pillar and spring perch one side.Spring perch 2-4 one end is provided with connecting panel 2-3; Connecting panel is provided with bolt hole, and connecting panel is connected fixing with chassis runner through bolt hole, and the design energy absorption of energy-absorbing spring is 800J-1500J; When automobile positive bumps, by energy-absorbing cup, the common energy-absorbing of energy-absorbing spring.
Referring to Fig. 5, the cross sectional shape of energy-absorbing cup 2-1 is an annular arrangement, and it adopts the cold-rolling steel-plate punch moulding, and different according to vehicle, its internal diameter size D is 60-80 mm, and wall thickness dimension is 1.2-2.0 mm.Be provided with spring position-limited trough 2-6 at energy-absorbing cup 2-1 and energy-absorbing spring 2-2 contact jaw, an end of energy-absorbing spring probes in this groove.Said energy-absorbing spring 2-2 is two ends reduced structures, and its two ends inner diameter d 1 is 25-30 mm, and middle inner diameter d 2 is 35-40mm, and energy-absorbing spring length is that L is 120-160mm.
The present invention is when automobile generation low speed collision, and the energy-absorbing spring is compressed, and in compression process, with collision energy throw over spring potential energy, reduces the injury to occupant, pedestrian and body part; During automobile generation high-speed crash, in the compressed while of energy-absorbing spring, energy-absorbing cup conquassation distortion energy-absorbing, both play energy-absorbing function jointly, and the energy-absorbing spring can also play buffer action in energy-absorbing, reduce the injury to occupant and vehicle.
Claims (5)
1. crashproof crossbeam energy absorption device before the automobile; It is made up of crossbeam (1) and the energy absorber (2) that is arranged on the crossbeam two ends; It is characterized in that: said energy absorber comprises energy-absorbing cup (2-1), energy-absorbing spring (2-2), spring guide pillar (2-5), spring perch (2-4), and said spring guide pillar passes the energy-absorbing cup, an end of spring guide pillar and energy-absorbing cup and crossbeam seam; Said energy-absorbing spring housing is contained in the spring guide pillar outside, the spring guide pillar other end and spring perch transition fit.
2. crashproof crossbeam energy absorption device before the automobile according to claim 1 is characterized in that: said energy-absorbing spring (2-2) energy absorption is 800J-1500J, and said energy-absorbing cup (2-1) is provided with spring position-limited trough (2-6) with energy-absorbing spring (2-2) contact jaw.
3. crashproof crossbeam energy absorption device before the automobile according to claim 2 is characterized in that: said spring perch (2-4) end is provided with connecting panel (2-3), and connecting panel is provided with bolt hole.
4. according to crashproof crossbeam energy absorption device before claim 1 or the 2 or 3 described automobiles, it is characterized in that: the cross sectional shape of said energy-absorbing cup (2-1) is an annular arrangement, and its inside diameter D is 60-80mm.
5. crashproof crossbeam energy absorption device before the automobile according to claim 4; It is characterized in that: said energy-absorbing spring (2-2) is two ends reduced structure; The equal d1 of its two ends internal diameter is 25-30 mm, and middle inner diameter d 2 is 35-40mm, and energy-absorbing spring length is that L is 120-160mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100104302A CN102555962A (en) | 2012-01-13 | 2012-01-13 | Front anti-collision cross beam energy absorbing device of automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100104302A CN102555962A (en) | 2012-01-13 | 2012-01-13 | Front anti-collision cross beam energy absorbing device of automobiles |
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| Publication Number | Publication Date |
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| CN102555962A true CN102555962A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100104302A Pending CN102555962A (en) | 2012-01-13 | 2012-01-13 | Front anti-collision cross beam energy absorbing device of automobiles |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627103A (en) * | 2015-02-12 | 2015-05-20 | 许爱军 | Automobile anticollision buffer device |
| CN104691466A (en) * | 2015-02-28 | 2015-06-10 | 烟台科力博睿地震防护科技有限公司 | Elastic buffering and plastic overturning parallel type energy absorption assembly |
| CN106080471A (en) * | 2016-07-08 | 2016-11-09 | 北京长安汽车工程技术研究有限责任公司 | A kind of automobile buffer beam and energy-absorption box thereof |
| CN107199975A (en) * | 2017-06-16 | 2017-09-26 | 孟庆雷 | One kind is used for motor vehicles buffer unit and motor vehicles |
| CN107199974A (en) * | 2017-06-19 | 2017-09-26 | 赵海涛 | A kind of buffer unit |
| CN107719282A (en) * | 2017-09-14 | 2018-02-23 | 浙江零跑科技有限公司 | A kind of frontal crash of vehicles energy-absorbing protection structure |
| CN108482289A (en) * | 2018-03-20 | 2018-09-04 | 安徽三联学院 | Automobile anticollision protection mechanism and its anticollision material used |
| CN110723095A (en) * | 2019-11-21 | 2020-01-24 | 徐州麦芒汽车科技有限公司 | Automobile body anti-collision device |
| CN115675343A (en) * | 2022-11-22 | 2023-02-03 | 中国重汽集团济南动力有限公司 | Stiffness-adjustable longitudinal beam deformation maintaining structure and design method |
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| DE102004036836A1 (en) * | 2004-07-29 | 2006-03-23 | Conti Temic Microelectronic Gmbh | Impact absorber for vehicles has first force absorption unit, at least one second force absorption unit which can absorb active force lying above predetermined force value, and sensor for detection of force acting on impact absorber |
| CN1903614A (en) * | 2006-08-10 | 2007-01-31 | 重庆大学 | Composite material energy absorbing structure for buffering automobile collision |
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| DE102004036836A1 (en) * | 2004-07-29 | 2006-03-23 | Conti Temic Microelectronic Gmbh | Impact absorber for vehicles has first force absorption unit, at least one second force absorption unit which can absorb active force lying above predetermined force value, and sensor for detection of force acting on impact absorber |
| CN1903614A (en) * | 2006-08-10 | 2007-01-31 | 重庆大学 | Composite material energy absorbing structure for buffering automobile collision |
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| CN101949421A (en) * | 2010-06-09 | 2011-01-19 | 浙江美力弹簧有限公司 | Variable stiffness spring for realizing conversion of work rings and support rings |
| CN102039862A (en) * | 2010-12-24 | 2011-05-04 | 张卫芳 | Anti-collision buffer of automobile |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627103A (en) * | 2015-02-12 | 2015-05-20 | 许爱军 | Automobile anticollision buffer device |
| CN104691466A (en) * | 2015-02-28 | 2015-06-10 | 烟台科力博睿地震防护科技有限公司 | Elastic buffering and plastic overturning parallel type energy absorption assembly |
| CN106080471A (en) * | 2016-07-08 | 2016-11-09 | 北京长安汽车工程技术研究有限责任公司 | A kind of automobile buffer beam and energy-absorption box thereof |
| CN106080471B (en) * | 2016-07-08 | 2019-01-29 | 北京长安汽车工程技术研究有限责任公司 | A kind of automobile buffer beam and its energy-absorption box |
| CN107199975A (en) * | 2017-06-16 | 2017-09-26 | 孟庆雷 | One kind is used for motor vehicles buffer unit and motor vehicles |
| CN107199974A (en) * | 2017-06-19 | 2017-09-26 | 赵海涛 | A kind of buffer unit |
| CN107719282A (en) * | 2017-09-14 | 2018-02-23 | 浙江零跑科技有限公司 | A kind of frontal crash of vehicles energy-absorbing protection structure |
| CN107719282B (en) * | 2017-09-14 | 2019-07-23 | 浙江零跑科技有限公司 | A kind of frontal crash of vehicles energy-absorbing protection structure |
| CN108482289A (en) * | 2018-03-20 | 2018-09-04 | 安徽三联学院 | Automobile anticollision protection mechanism and its anticollision material used |
| CN110723095A (en) * | 2019-11-21 | 2020-01-24 | 徐州麦芒汽车科技有限公司 | Automobile body anti-collision device |
| CN115675343A (en) * | 2022-11-22 | 2023-02-03 | 中国重汽集团济南动力有限公司 | Stiffness-adjustable longitudinal beam deformation maintaining structure and design method |
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Application publication date: 20120711 |