CN104512361A - Vehicle impact crumple device - Google Patents
Vehicle impact crumple device Download PDFInfo
- Publication number
- CN104512361A CN104512361A CN201410353566.2A CN201410353566A CN104512361A CN 104512361 A CN104512361 A CN 104512361A CN 201410353566 A CN201410353566 A CN 201410353566A CN 104512361 A CN104512361 A CN 104512361A
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- China
- Prior art keywords
- crumple
- conjunction
- extremity piece
- toughness
- vehicle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a vehicle impact crumple device. The vehicle impact crumple device sequentially comprises a first combination end part, at least two crumple bodies and a second combination end part; a plurality of crumple elements which are arranged with intervals form into the crumple bodies; toughness of the crumple bodies is different; when a vehicle impact crumple device is assembled to a frame, the crumple body with larger crumple body toughens is closer to the frame compared with the crumple body with smaller crumple body toughness, and accordingly the crumple body with smaller crumple body toughness is firstly impacted and offset large impact energy through crumple deformation when the vehicle is impacted, the crumple body with larger crumple body toughness can absorb energy for twice, the impact force is avoided from directly impacting the frame, vibration generated by the frame is reduced, and safety of passengers inside the frame is improved; the integral vehicle impact crumple device absorb impact energy through crumple deformation and accordingly, the vehicle impact crumple device can be independently assembled to the frame, the frame does not need to arrange crumple space, and the configuration freedom degrees of the vehicle fame and mechanisms inside the frame are improved.
Description
Technical field
The present invention relates to Vehicular impact buckling device, it is with vehicle to absorb the device clashing into strength relevant.
Background technology
Automobile, safety performance is that customer purchases primarily considering of car, and the safety Design of automobile can be divided into prevention traffic accident that the design of order active safety surprisingly occurs and reduce the passive security design of occupant's injures and deaths when meeting accident.
With passive type safe design, early stage passive type safe design mainly focuses on the damage rate reducing car body, therefore its equipment focuses on the strength of buffering collision of closed car body, as Britain GB1200464 patent, it mainly provides a kind of impact energy shock absorber, as shown in Figure 1, this impact energy shock absorber 10 is the bellows-like structure that a surface has multiple grooving 11, this impact energy shock absorber 10 is assemblied between the safety lever A of automobile and car body B, through the setting of the overall configuration of bellows-like structure and grooving 11, this impact energy shock absorber 10 entirety is made to have elastic deformability, through the elastic deformation absorbing impact energy of this impact energy shock absorber 10 in time clashing into, reduce and clash into strength to the injury of car body B, reach the effect of buffering car body B injury according to this, but, it is not good that the behavior of structure that this impact energy shock absorber 10 has an elasticity capacity represents again its structural rigidity, therefore cannot bear high-octane collision at all, when car body bears high-octane collision, not only injury car body more directly can injure the passenger in car body, and have the disappearance of passenger safety deficiency, as Japanese JP2008302791 patent, then configuration state is similar and therefore have identical disappearance therewith.
In addition, as U.S. US3724833 patent, a kind of impact energy shock absorber is provided equally, as Fig. 2, shown in 3, this impact energy shock absorber 20 is configured between safety lever A and car body B, and this impact energy shock absorber 20 mainly comprises a resiliency deformable member 21 wears an elastic shell 22, this resiliency deformable member 21 is configured as hollow cylinder structure by fin 211 interval of multiple tool elastic deformability, this elastic shell 22 forms hollow tubular construction by high density polyester ammonia, and this resiliency deformable member 21 is set in this elastic shell 22 inside, accordingly, when this impact energy shock absorber 20 is clashed into, this resiliency deformable member 21 and this elastic shell 22 receive impulsive force amount simultaneously and produce deformation, reduce shock strength according to this directly to damage car body B, but similarly, it is not good that the behavior of structure that this impact energy shock absorber 20 has elasticity capacity represents its structural rigidity, therefore similarly when car body bears high energy collision, cannot save the safety of the passenger in car body from damage.
And Britain GB347447 patent for another example, it is the vehicle collision protective device 30 being provided with being linked between car body and safety lever equally, as shown in Figure 4, the two ends of this vehicle collision protective device 30 are provided with being linked to car body and safety lever, then link between two ends and multiple sheet rubber 31 is set, when safety lever is clashed into, the sheet rubber 31 of this vehicle collision protective device 30 is out of shape to cushion the impact putting on car body, reduces the infringement to car body according to this; But similarly, this vehicle collision protective device mainly provides protection through the deformation of the sheet rubber 31 with elastic resilience, respectively this sheet rubber 31 then directly can be compressed when this vehicle collision protective device bears high energy collision, except avoiding except car body comes to harm, more cannot saving the personal safety of passenger in car body from damage.
Also have, with U.S. US3564688 patent, US3412628 patent, a kind of shock-damping structure is mainly provided, as shown in Figure 5, this shock-damping structure 40 is provided with being arranged between the safety lever of vehicle and car body, this shock-damping structure 40 entirety is generally a cylindrical structure, be shaped between the two ends of this cylindrical structure multiple cylindrical portion 41, and the multiple grooving 411 of cutting forming in each cylindrical portion 41, accordingly, when this vehicle is collided, each cylindrical portion 41 compressive deformation of this shock-damping structure 40 is with absorbing forces of impact amount, but, be made up of single material due to this shock-damping structure 40 entirety and only there is single structure characteristic, make with the material that structural rigidity is more weak if overall, protection car body cannot be played, the object of passenger in car body, make with the material that structural rigidity is higher if overall, shock strength can be caused to consume nowhere, car body produces more violent concussion on the contrary, passenger in car body just very likely produces the injury that cannot expect when suffering concuss, and cannot reach the object of saving passenger safety from damage.
Therefore, a kind of main purpose is had again to be safe collapse type car body design for saving personnel's person in vehicle cabin from damage, its constructional feature mainly improves the skeleton structure intensity forming vehicle cabin, the front and back end of vehicle cabin is then set to front crumple zones and rear crumple zones respectively, form the skeleton structure intensity of skeleton structure intensity lower than vehicle cabin of front crumple zones and rear crumple zones, accordingly can when the front of vehicle or rear be clashed into, the skeleton of the front crumple zones of being clashed into or rear crumple zones absorbs the strength of shock and produces deformation, before, rear crumple zones absorbs through the deformation of skeleton the energy clashed into, reduce the shock strength being passed to passenger cabin, and the object of saving personal security in passenger cabin from damage can be reached, but the front end of vehicle cabin mainly also must configure the main element of vehicle simultaneously, as engine, water tank and transmission device, so just must do the space planning of globality, thus significantly limit the degree of freedom of overall space configuration or mechanism's configuration.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of Vehicular impact buckling device, and it improves general impact attenuation device can only reduce the defect cannot saving passenger safety to the injury of car body from damage; And reduce car body causes mechanism's flexible configuration degree restriction through arranging crumple zones.
For solving the problem, the invention provides a kind of Vehicular impact buckling device, comprise sequentially combine one first in conjunction with extremity piece, at least two crumple bodies and one second in conjunction with extremity piece, connect this and first second be defined as one axially in conjunction with the direction of extremity piece in conjunction with extremity piece with this, this first is provided with being incorporated on a vehicle frame of a vehicle in conjunction with one end of extremity piece, this at least two crumples body is with the adjoining link in end, and the crumple body at two ends is linked to this respectively first in conjunction with the other end of extremity piece and this is second in conjunction with extremity piece after linking, it is characterized in that:
Each described crumple body comprises multiple crumple unit, the microscler body structure that this crumple unit makes for the material with plastic deformation ability, between the two ends of each this crumple unit, there is a segmental arc, this segmental arc is arc convex state compared to this axis, and those crumples unit is spaced into outline shape and this crumple body of wide cage structure in forming.
Each described crumple body has a crumple body toughness respectively, and respectively the crumple body toughness of this crumple body is different, and the larger crumple body of crumple body toughness compared to the less crumple body of crumple body toughness closer to this first in conjunction with extremity piece.
The present invention through sequentially combine first in conjunction with extremity piece, at least two crumple bodies and second form Vehicular impact buckling device in conjunction with extremity piece, the crumple body toughness of each crumple body is different, and when Vehicular impact buckling device is assigned in vehicle frame, the larger crumple body of crumple body toughness compared to the less crumple body of crumple body toughness closer to vehicle frame, first collided with the crumple body with less crumple body toughness when suffering external force collision accordingly and offseted significantly Impact energy through crumple distortion, the crumple body with larger crumple body toughness then can double absorption energy, avoid clashing into strength direct impact vehicle frame, reduce the concussion that vehicle frame produces, and improve the safety of passenger in vehicle frame according to this.
Accompanying drawing explanation
Fig. 1 is the using state of the impact energy shock absorber of GB1200464 patent.
Fig. 2 is the using state of the impact energy shock absorber of US3724833 patent.
Fig. 3 is the deformation state of the impact energy shock absorber of Fig. 2.
Fig. 4 is the schematic diagram of the vehicle collision protective device of GB347447 patent.
Fig. 5 is the schematic diagram of the shock-damping structure of US3564688 patent.
Fig. 6 is the perspective view of Vehicular impact buckling device of the present invention.
Fig. 7 is the section plan of Vehicular impact buckling device of the present invention.
Fig. 8 is the using state that Vehicular impact buckling device of the present invention is assemblied on vehicle frame.
Fig. 9 is the state that Vehicular impact buckling device of the present invention is assemblied in also crumple distortion on vehicle frame.
Figure 10 is the state of Vehicular impact buckling device crumple of the present invention distortion.
Figure 11 is the planar view of Figure 10.
Figure 12 is the enforcement state that Vehicular impact buckling device of the present invention arranges three crumple bodies.
Figure 13 is the enforcement state that the crumple body of Vehicular impact buckling device of the present invention is arranged as square contour.
Description of reference numerals
Impact energy shock absorber 10 grooving 11
Impact energy shock absorber 20 resiliency deformable member 21
Fin 211 elastic shell 22
Vehicle collision protective device 30 sheet rubber 31
Shock-damping structure 40 cylindrical portion 41
Grooving 411 safety lever A
Car body B
First in conjunction with extremity piece 50 crumple body 60
First crumple body 60A second crumple body 60B
Crumple unit 61 segmental arcs 611
Second in conjunction with extremity piece 70 vehicle C
The axial X of vehicle frame C1
Detailed description of the invention
The preferred embodiment of Vehicular impact buckling device of the present invention as shown in Figure 6 to 8, be provided with being arranged on the vehicle frame C1 of a vehicle C, and this Vehicular impact buckling device comprise sequentially combine one first in conjunction with extremity piece 50, at least two crumple body 60 and one second in conjunction with extremity piece 70, connect this and first second be defined as an axial X in conjunction with the direction of extremity piece 70 in conjunction with extremity piece 50 with this, wherein:
Described first in conjunction with extremity piece 50, and one end is provided with being incorporated into this vehicle frame C1, and this first is greater than 30 square centimeters, first circular configuration being greater than 6 centimeters for diameter in conjunction with extremity piece 50 of the present embodiment in conjunction with the area of the two ends end face of extremity piece 50;
Described at least two crumple bodies 60 are respectively one first crumple body 60A and one second crumple body 60B, respectively this crumple body 60 has a crumple body toughness respectively, respectively the crumple body toughness of this crumple body 60 is different, and the larger crumple body 60 of crumple body toughness compared to the less crumple body 60 of crumple body toughness closer to this first in conjunction with extremity piece 50, that is, be less than near first in conjunction with the crumple body toughness of the crumple body 60 of extremity piece 50 in conjunction with the crumple body toughness of the crumple body 60 of extremity piece 50 compared with away from first; Wherein, the toughness (Toughness) of this crumple body toughness be defined as be subject to External Force Acting until before breaking the ratio of absorbent energy and volume.
Described first in conjunction with extremity piece 50 with this second in conjunction with extremity piece 70 between at least two crumple bodies 60 are set, this at least two crumples body 60 is with the adjoining link in end, and the crumple body at two ends is linked to this respectively first in conjunction with the other end of 50 extremity pieces and this is second in conjunction with extremity piece 70 after linking, embodiment is as shown in Figure 1 configuration two crumple body 60; One end of this first crumple body 60A is linked to this first in conjunction with the other end of extremity piece 50, the other end of this first crumple body 60A links one end of this second crumple body 60B, the crumple body toughness of the first crumple body 60A of the present embodiment is greater than the crumple body toughness of this second crumple body 60B, and the present embodiment is through the length arranging this second crumple body 60B is greater than the length of this first crumple body 60A to give its different toughness.
And each described crumple body 60 comprises multiple crumple unit 61, the crumple unit 61 of the present embodiment is for having the metal microscler body structure of plastic deformation ability, between the two ends of each this crumple unit 61, there is a segmental arc 611, this segmental arc 611 be compared to this axial X be arc convex state, those crumple units 61 are spaced into outline shape and form this crumple body 60, the cage structure of wide shape during this crumple body 60 is become; And the means changing this crumple body toughness can pass through the length of the crumple unit 61 changing each crumple body 60, thickness or material reaches.
Described second in conjunction with extremity piece 70, is incorporated into the other end of this second crumple body 60B, and this second is greater than 30 square centimeters, second circular configuration being greater than 6 centimeters for diameter in conjunction with extremity piece 70 of the present embodiment in conjunction with the area of the two ends end face of extremity piece 70.
Be more than structural configuration and the feature of Vehicular impact buckling device of the present invention, and during its use, please refer to shown in Fig. 8 to Figure 11, Vehicular impact buckling device of the present invention is provided with being assemblied on the vehicle frame C1 of vehicle C, and when vehicle is clashed into and strikes this Vehicular impact buckling device, stand in the breach first to be collided compared with the second crumple body 60B away from vehicle frame C1, and be configured to the crumple body toughness being less than the first crumple body 60A due to the crumple body toughness of this second crumple body 60B, this the second crumple body 60B initially directly can absorb the strength of shock stressed and produce crumple distortion, herein be deformed into elastic deformation, and when this second crumple body 60B continues stressed, and it is stressed when exceeding the yield strength of this second crumple body 60B, this the second crumple body 60B continues to produce crumple distortion, crumple is now deformed into plastic deformation, distortion payment through this second crumple body 60B absorbs the energy clashed into, now, this second crumple body 60B can absorb the shock strength of the overwhelming majority.
Then, when Impact energy cannot be absorbed completely by the second crumple body 60B, ability sustained delivery to the first crumple body 60A clashed into, then this first crumple body 60A then similarly can through crumple distortion payment absorbing impact energy, and be greater than the crumple body toughness of this second crumple body 60B due to the crumple body toughness of this first crumple body 60A, therefore this first crumple body 60A is except providing secondary energy absorbing, reduction is impacted outside the strength of vehicle frame C1, more can keep out Impact energy and directly impact vehicle frame C1, vehicle frame C1 is avoided to produce violent concussion and the passenger's personal safety injured in vehicle frame C1.
And due to the crumple body 60 of this Vehicular impact buckling device of the present invention stressed to offset through deformation, and the crumple unit 61 of the crumple body 60 of this Vehicular impact buckling device is arc convex state compared to axial X, this crumple unit 61 can comply with himself form and deform, as shown in Fig. 9 ~ Figure 11, accordingly, what make Vehicular impact buckling device of the present invention is deformed into expected state.
In addition, on take off enforcement state (Fig. 6 to Figure 11) crumple body 60 quantity be two, so this quantity is not as limit, the quantity that also can configure this crumple body 60 is as shown in figure 12 three, then respectively this crumple body 60 sequentially combines with end, and the crumple body 60 at two ends is incorporated into this more respectively first in conjunction with extremity piece and this is second in conjunction with extremity piece, and this crumple body 60 arrange meet equally the larger crumple body 60 of crumple body toughness compared to the less crumple body 60 of crumple body toughness closer to this first in conjunction with the principle of extremity piece 50, this structural configuration also can provide same object and effect.
Also have, exemplified by Fig. 6 to Figure 12 first is circular in conjunction with extremity piece 50, second in conjunction with the shape of extremity piece 70, and the crumple unit 61 forming crumple body 60 is spaced circular outline shape, so, structural form of the present invention is not as limit, namely be set to square with second in conjunction with extremity piece 70 in conjunction with extremity piece 50 by first as shown in figure 13, the crumple unit 61 forming crumple body 60 is then spaced squarely outline shape, and this structural form similarly can reach identical object and effect.
To sum up, the present invention forms Vehicular impact buckling device through with at least two crumple bodies 60 with different crumple body toughness, the crumple body 60 with lower toughness stands in the breach and bears shock, and produce crumple distortion to offset jumbo impact, the crumple body 60 with higher toughness then arranges near vehicle frame and directly clashes into vehicle frame C1 to intercept shock strength, except avoid vehicle frame C1 directly impaired except, crumple distortion can be produced more equally to absorb dump energy, make Vehicular impact buckling device of the present invention entirety by this through crumple distortion with double-absorption Impact energy, avoid clashing into strength and directly clash into vehicle frame C1, reduce the concuss of vehicle frame C1, and improve the safety of passenger in vehicle frame C1 accordingly, and what deserves to be explained is, due to Vehicular impact buckling device entirety of the present invention bear shock time, being that Vehicular impact buckling device of the present invention is overall itself produces crumple distortion, the present invention can directly be separately set on vehicle frame C1, the applicability used is high, and be out of shape by Vehicular impact buckling device entirety generation crumple of the present invention when vehicle clashes into, then namely vehicle does not need to arrange crumple space in addition, and that more can improve vehicle space arranges degree of freedom.
Claims (2)
1. a Vehicular impact buckling device, comprise sequentially combine one first in conjunction with extremity piece, at least two crumple bodies and one second in conjunction with extremity piece, connect this and first second be defined as one axially in conjunction with the direction of extremity piece in conjunction with extremity piece with this, this first is provided with being incorporated on a vehicle frame of a vehicle in conjunction with one end of extremity piece, this at least two crumples body is with the adjoining link in end, and the crumple body at two ends is linked to this respectively first in conjunction with the other end of extremity piece and this is second in conjunction with extremity piece after linking, it is characterized in that:
Each described crumple body comprises multiple crumple unit, the microscler body structure that this crumple unit makes for the material with plastic deformation ability, between the two ends of each this crumple unit, there is a segmental arc, this segmental arc is arc convex state compared to this axis, and those crumples unit is spaced into outline shape and this crumple body of wide cage structure in forming; And
Each described crumple body has a crumple body toughness respectively, and respectively the crumple body toughness of this crumple body is different, and the larger crumple body of crumple body toughness compared to the less crumple body of crumple body toughness closer to this first in conjunction with extremity piece.
2. Vehicular impact buckling device as claimed in claim 1, is characterized in that: described first is greater than 30 square centimeters in conjunction with the area of the two ends end face of extremity piece; This second is greater than 30 square centimeters in conjunction with the area of the two ends end face of extremity piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353566.2A CN104512361B (en) | 2013-09-30 | 2014-07-23 | Vehicle impact crumple device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104617449 | 2013-09-30 | ||
| CN201310461744 | 2013-09-30 | ||
| CN201410353566.2A CN104512361B (en) | 2013-09-30 | 2014-07-23 | Vehicle impact crumple device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104512361A true CN104512361A (en) | 2015-04-15 |
| CN104512361B CN104512361B (en) | 2017-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410353566.2A Active CN104512361B (en) | 2013-09-30 | 2014-07-23 | Vehicle impact crumple device |
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| Country | Link |
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| CN (1) | CN104512361B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922960A (en) * | 2016-05-18 | 2016-09-07 | 张家港润盛科技材料有限公司 | Car collision transverse beam |
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| US3412628A (en) * | 1966-07-14 | 1968-11-26 | Koppy Tool Corp | Shock absorbing structural member |
| JP2006335241A (en) * | 2005-06-02 | 2006-12-14 | Kobe Steel Ltd | Bumper stay and bumper device |
| JP2008241036A (en) * | 2007-03-01 | 2008-10-09 | Sumitomo Metal Ind Ltd | Impact absorbing member and its arrangement structure |
| CN202294636U (en) * | 2011-11-11 | 2012-07-04 | 无锡同捷汽车设计有限公司 | Hierarchical bumper structure |
| CN202656979U (en) * | 2012-04-23 | 2013-01-09 | 中国电力科学研究院 | Thin-wall circular tube energy absorption device |
| CN103068664A (en) * | 2010-08-06 | 2013-04-24 | 沃依特专利有限责任公司 | Energy absorption device, in particular for a shock absorber of a track-guided vehicle |
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2014
- 2014-07-23 CN CN201410353566.2A patent/CN104512361B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3412628A (en) * | 1966-07-14 | 1968-11-26 | Koppy Tool Corp | Shock absorbing structural member |
| JP2006335241A (en) * | 2005-06-02 | 2006-12-14 | Kobe Steel Ltd | Bumper stay and bumper device |
| JP2008241036A (en) * | 2007-03-01 | 2008-10-09 | Sumitomo Metal Ind Ltd | Impact absorbing member and its arrangement structure |
| CN103068664A (en) * | 2010-08-06 | 2013-04-24 | 沃依特专利有限责任公司 | Energy absorption device, in particular for a shock absorber of a track-guided vehicle |
| CN202294636U (en) * | 2011-11-11 | 2012-07-04 | 无锡同捷汽车设计有限公司 | Hierarchical bumper structure |
| CN202656979U (en) * | 2012-04-23 | 2013-01-09 | 中国电力科学研究院 | Thin-wall circular tube energy absorption device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922960A (en) * | 2016-05-18 | 2016-09-07 | 张家港润盛科技材料有限公司 | Car collision transverse beam |
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| Publication number | Publication date |
|---|---|
| CN104512361B (en) | 2017-05-24 |
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