CN206475845U - A kind of segmented front anticollision beam of automobile and the automobile using the collision prevention girders - Google Patents
A kind of segmented front anticollision beam of automobile and the automobile using the collision prevention girders Download PDFInfo
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- CN206475845U CN206475845U CN201621387381.4U CN201621387381U CN206475845U CN 206475845 U CN206475845 U CN 206475845U CN 201621387381 U CN201621387381 U CN 201621387381U CN 206475845 U CN206475845 U CN 206475845U
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- prevention girders
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Abstract
The utility model provides a kind of segmented front anticollision beam of automobile and the automobile using the collision prevention girders, segmented front anticollision beam of automobile includes middle part collision prevention girders and the sidepiece collision prevention girders positioned at middle part collision prevention girders both sides, sidepiece collision prevention girders include being provided with the energy-absorption box for body frame being connected in the absorption cell for being used to be connected with body frame, middle part collision prevention girders.The beneficial effects of the utility model are：The energy-absorption box being connected with body frame is provided with the collision prevention girders of middle part; so when a frontal collision occurs; energy-absorption box can just be fallen most crash energy absorption by the crumple deformation of itself; reduce impact kinetic energy; the possibility that reduction driver's living space is broken into, protects passenger's safety to greatest extent.Middle part collision prevention girders are acted synergistically with sidepiece collision prevention girders, and protective action more preferably, can effectively be protected various collision operating modes, life security is ensured to greatest extent and property loss is reduced.
Description
Technical field
The utility model is related to a kind of segmented front anticollision beam of automobile and the automobile using the collision prevention girders.
Background technology
Car head-on crash is the higher bus and coach accident of current occurrence frequency, particularly when front occurs for car and passenger car
During collision, because riding height is relatively low, car bottom is arrived in now passenger car meeting " lower to bore ", it is therefore desirable to the pars infrasegmentalis before car
Position sets corresponding anti-collision energy absorption device, absorbs the malformation at the energy in collision, reduction car occupant position, it is ensured that
Car passenger's living space is not broken into.
Continuous improvement with people to vehicle safety performance attention degree, it is offset collision, small in addition to head-on crash
Angle collisions and pedestrian impact etc. also turn into the important indicator of examination vehicle safety performance, and Authorization Notice No. is
CN201761455U, authorized announcement date discloses a kind of front anti-collision beam of passenger car for 2011.03.16 Chinese utility model patent,
The front anti-collision beam is a kind of segmentation structure collision prevention girders, including middle part anticollision beam assembly, installed in middle part anticollision beam assembly both sides
Side auxiliary collision prevention girders, wherein middle part anticollision beam assembly upper end be hinged with body front wall, side aid in collision prevention girders connected by vehicle body
Beam is connect to be fixedly connected with body front wall skeleton, side auxiliary collision prevention girders include preceding Crashworthy plate, two on rear side of preceding Crashworthy plate
Routed tubing string（That is absorption cell）, rear end and the vehicle body tie-beam of absorption cell are bolted.The preceding of this segmentation structure is prevented
Preferable protective action can be formed to offset collision and glancing collision by hitting beam, while also there is certain protection to head-on crash
Effect, and damaged in collision position can be directed to, targetedly changed, reduce maintenance cost.
But, because middle part anticollision beam assembly is hinged on body front wall, fixed form is highly unstable, coupling stiffness compared with
Difference, when being travelled on the road surface jolted is compared, whole middle part anticollision beam assembly is possible to occur than larger shake and swing,
In addition when occurring head-on crash, this attachment structure can not be born than larger head-on crash power, and protective action is poor, passenger car
It is likely to be to be drilled directly into car bottom after breaking middle part anticollision beam assembly, so as to threaten the life peace of car passenger
Entirely.
Utility model content
The purpose of this utility model is to provide a kind of protective action relatively good segmented front anticollision beam of automobile；This practicality
New purpose, which is also resided in, provides a kind of automobile using the segmented front anticollision beam of automobile.
In order to solve the above-mentioned technical problem, the technical scheme of segmented front anticollision beam of automobile is in the utility model：
A kind of segmented front anticollision beam of automobile, including middle part collision prevention girders and the sidepiece anticollision positioned at middle part collision prevention girders both sides
Beam, sidepiece collision prevention girders include being provided with the absorption cell for being used to be connected with body frame, middle part collision prevention girders and are used for and body frame
Connected energy-absorption box.
The energy-absorption box, which is located in the rear side towards body frame of middle part collision prevention girders, middle part collision prevention girders, is additionally provided with direction
The foam block for being used to protect pedestrian impact of front side.
The energy-absorption box has two and is located at the left and right sides of middle part collision prevention girders respectively and just body frame is indulged respectively
Beam is set, and the foam block also has two, and two foam blocks are correspondingly arranged in the longitudinal direction with two energy-absorption boxes.
The sidepiece collision prevention girders also include L-shaped collision prevention girders, and middle part collision prevention girders are located between the vertical edge of two L-shaped collision prevention girders,
The absorption cell is arranged between the vertical edge of L-shaped collision prevention girders and body frame, the horizontal edge of L-shaped collision prevention girders it is curved and with vehicle body bone
Frame connects, and is constituted between L-shaped collision prevention girders and body frame and is fixed with headlight protective plate in headlight installing space, L-shaped collision prevention girders.
The side of collision prevention girders is fixed with fixed plate in the middle part of the direction of the vertical edge of L-shaped collision prevention girders, and the two ends of middle part collision prevention girders are set
Shrouding is equipped with, the shrouding is fixedly linked with fixed plate.
The technical scheme of automobile is in the utility model：
A kind of automobile, including body frame and the segmented front anticollision beam of automobile that is connected with body frame, segmented automobile
Front anti-collision beam includes middle part collision prevention girders and the sidepiece collision prevention girders positioned at middle part collision prevention girders both sides, and sidepiece collision prevention girders include and vehicle body
The energy-absorption box being connected with body frame is provided with the connected absorption cell of skeleton, middle part collision prevention girders.
The energy-absorption box, which is located in the rear side towards body frame of middle part collision prevention girders, middle part collision prevention girders, is additionally provided with direction
The foam block for being used to protect pedestrian impact of front side.
The energy-absorption box has two and is located at the left and right sides of middle part collision prevention girders respectively and just body frame is indulged respectively
Beam is set, and the foam block also has two, and two foam blocks are correspondingly arranged in the longitudinal direction with two energy-absorption boxes.
The sidepiece collision prevention girders also include L-shaped collision prevention girders, and middle part collision prevention girders are located between the vertical edge of two L-shaped collision prevention girders,
The absorption cell is arranged between the vertical edge of L-shaped collision prevention girders and body frame, the horizontal edge of L-shaped collision prevention girders it is curved and with vehicle body bone
Frame connects, and is constituted between L-shaped collision prevention girders and body frame and is fixed with headlight protective plate in headlight installing space, L-shaped collision prevention girders.
The side of collision prevention girders is fixed with fixed plate in the middle part of the direction of the vertical edge of L-shaped collision prevention girders, and the two ends of middle part collision prevention girders are set
Shrouding is equipped with, the shrouding is fixedly linked with fixed plate.
The beneficial effects of the utility model are：The energy-absorption box being connected with body frame is provided with the collision prevention girders of middle part, this
When a frontal collision occurs, energy-absorption box can just be fallen most crash energy absorption by the crumple deformation of itself sample, be dropped
Low impact kinetic energy, the possibility that reduction driver's living space is broken into protects passenger's safety to greatest extent.Prevent at middle part
Hit beam to act synergistically with sidepiece collision prevention girders, protective action more preferably, can effectively protect various collision operating modes, to greatest extent
Guarantee life security and reduce property loss.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram of one embodiment of automobile in the utility model；
Fig. 2 is Fig. 1 front view.
In figure：1. middle part collision prevention girders；2. body frame；3.L shape collision prevention girders；4. crushing type longeron；5. the first shrouding；6. the
Two shroudings；7. foam buffer stopper；8. energy-absorption box；9. the first fixed plate；10. headlight protective plate；11. groove；12. longitudinal beam connected；
13. longeron；14. the second fixed plate；31. horizontal edge；32. vertical edge.
Embodiment
One embodiment of automobile is as shown in Fig. 1 ~ Fig. 2, including body frame 2 and the segmented that is connected with body frame 2
Front anticollision beam of automobile, segmented front anticollision beam of automobile includes middle part collision prevention girders 1 and is symmetrically positioned in the middle part left and right sides of collision prevention girders 1
Sidepiece collision prevention girders.Middle part collision prevention girders 1 are arranged on front end and the bumper of body frame 2（Not shown in figure）Between, width is about
The 60% of vehicle width is accounted for, relatively good protection can be formed to big Duplication head-on crash.Middle part collision prevention girders 1 use high intensity
Cold-rolling steel-plate punch is formed, with intensity is high, weight is small, the characteristics of occupy little space.The section of middle part collision prevention girders 1 is in " mesh " word
Type, the parallel transverse slat of twice inside middle part collision prevention girders 1 enhances the intensity of middle part collision prevention girders 1, separately equivalent to reinforcement
Outside, the groove 11 being inwardly recessed is provided with the leading flank of middle part collision prevention girders 1 so that middle part collision prevention girders 1 have certain delay
Rush energy-absorbing function.
The rear side towards body frame 2 of middle part collision prevention girders 1 is fixed with two energy-absorption boxes 8, and energy-absorption box 8 uses aluminium alloy material
Expect extrusion forming, two energy-absorption boxes 8 are located at the left and right sides of middle part collision prevention girders 1 respectively.Energy-absorption box 8 is inside and outside double octagon thin-walleds
Structure, is linked together, front end and the full weld of middle part collision prevention girders 1, the rear end of energy-absorption box 8 are welded with the second envelope by centre connection thin-walled
Plate 6.The front portion of the close middle part collision prevention girders 1 of energy-absorption box 8 offers circular incision（Not shown in figure）, the circular incision can lure
Lead energy-absorption box 8 and " fold " deformation of rule occurs in an impact, it is to avoid due to flexural deformation caused by stress concentration, so as to absorb
More collision energies, the possibility that reduction driver's living space is broken into.
It is welded with and is fixed with the first fixed plate of size identical 9 of the second shrouding 6, the second shrouding 6 and first on body frame 2
Plate 9 is bolted together, and longeron 13 of the position just to body frame 2 of the first fixed plate 9, that is to say, that two suctions
Can box 8 position be just to two longerons 13, so when colliding, energy-absorption box 8 can will from front any one
The impact of point is evenly distributed on longeron 13 as far as possible, and a part of shock is sponged by the crumple deformation of energy-absorption box 8 itself
Power, reduces impact kinetic energy, and passenger's safety is protected to greatest extent.
The front side of middle part collision prevention girders 1 is provided with two foam buffer stoppers 7, the position of two foam buffer stoppers 7 and two suctions
3 bolts hole are provided with correspondence before and after the position of energy box 8, foam buffer stopper 7, by bolt with being connected to middle part collision prevention girders 1
Together.Because middle part collision prevention girders 1 are slightly curved, therefore foam buffer stopper 7 is tapered, by taking right side as an example, and its left end is thin, the right side
End is thick, just adapts to the shape of middle part collision prevention girders 1, the leading flank of such foam buffer stopper 7 is a plane.Foam buffer stopper 7
With certain elasticity, certain reinforcement protective effect can be formed to offset collision herein, in addition when car and pedestrian exist
When colliding herein, elastic deformation can be produced, pedestrian is played a protective role.
Foam buffer stopper 7 can not only play a very good protection to pedestrian, and when in face of low speed slight impact,
Middle part collision prevention girders 1 can also be played with certain protective action, if impact force is little, foam buffer stopper 7 just can be by
Energy absorption is fallen, so as to avoid middle part collision prevention girders 1 and energy-absorption box 8 from deforming, so that also just from changing, reduction is repaired into
This.
Sidepiece collision prevention girders include L-shaped collision prevention girders 3, and two L-shaped collision prevention girders 3 are symmetricly set on the left and right two of middle part collision prevention girders 1
Side, i.e. middle part collision prevention girders 1 are located between the vertical edge 32 of two L-shaped collision prevention girders 3.By taking the L-shaped collision prevention girders 3 of side as an example, its vertical edge
Two crushing type extended along the longitudinal direction longerons 4 are welded between 32 and body frame 2.Crushing type longeron 4 is individual layer
Thin-walled group welding piece, is welded by the thin angular sheet material of two walls, is so to be set for convenience on the surface of crushing type longeron 4
Inducing grooves, because if directly using if rectangle shaped steel, because rectangle shaped steel intensity is high, wall thickness is larger, it is difficult to send out it
Change shape, therefore using the thin angular sheet material of wall, stamps out multiple tracks inducing grooves on its surface first before welding, so not only
Light weight, and in the presence of inducing grooves, crushing type longeron 4 is easy for occurring crumple deformation, so that by impact energy
Amount is sponged.
The top of the vertical edge 32 of L-shaped collision prevention girders 3 is connected by a longitudinal beam connected 12 with body frame 2, when biasing
Collision or during glancing collision, if impact force is less, L-shaped collision prevention girders 3 and longitudinal beam connected 12 just can with the energy of Collision-free,
If impact force is larger, L-shaped collision prevention girders 3 and longitudinal beam connected 12 deform, and are then become by the crumple of crushing type longeron 4
Shape falls most of energy absorption, and remainder energy can be delivered on body frame 2.
The horizontal edge 31 of L-shaped collision prevention girders 3 is curved, and its end is welded and fixed with body frame 2, two horizontal edges 31 and middle part
Collision prevention girders 1 constitute a complete big arc, and just envelope lives the whole width of automobile, not only play full protection effect, and
And make it that the arrangement of whole headstock is very attractive in appearance.
In addition, constituting headlight installing space between L-shaped collision prevention girders 3 and body frame 2, the installing space is used for before installing
Why middle part collision prevention girders 1 are not made the big Curved beam that an envelope lives vehicle width directly, are based on by combined large lamp
This Consideration, because the part of preceding combined large lamp is more, it is necessary to certain installing space, and middle part collision prevention girders 1 have one
Fixed volume, if extending directly into both sides, the space of combined large lamp is just fewer before leaving for, or even before can not installing
Combined large lamp.In addition, in order to form relatively good protection to preceding combined large lamp, headlight being welded with L-shaped collision prevention girders 3 and is prevented
Backplate 10.
The side of collision prevention girders 1 is respectively and fixedly provided with the second fixed plate 14 in the middle part of the direction of the vertical edge 32 of two L-shaped collision prevention girders 3, in
The left and right ends of portion's collision prevention girders 1 are respectively arranged with the first shrouding 5, and the first shrouding 5 is identical with the size of the second fixed plate 14, both
It is bolted together.Middle part collision prevention girders 1 are linked together by the first shrouding 5 and sidepiece collision prevention girders herein, simply
For the quantity of the tie point of collision prevention girders 1 in the middle part of increasing, make the connection of middle part collision prevention girders 1 more reliable and more stable, prevent middle part anti-
When hitting beam 1 and only being connected by the second shrouding 6 and body frame 2, its coupling stiffness not enough, causes it when jolting road traveling,
Resonance shake can occur for middle part collision prevention girders 1, influence normal crashworthiness.
The left and right ends of middle part collision prevention girders 1 and sidepiece collision prevention girders bolt connection, rear side and the bolt connection of body frame 2,
So when middle part collision prevention girders 1 deform damage in an impact, it is possible to easily dismantled and changed, so that
Reduce maintenance cost.Wherein, middle part collision prevention girders 1 and the connected mode one of body frame 2 are for collision prevention girders 1, two in the middle part of fixing
It is that, in order to which collision energy is delivered on longeron 13, and the connected mode of middle part collision prevention girders 1 and sidepiece collision prevention girders is not interfered with just
The form of sidepiece collision prevention girders during collision, that is to say, that when a frontal collision occurs, larger impact force directly can be by middle part anticollision
Beam 1 and the attachment structure of sidepiece collision prevention girders are destroyed, without involving sidepiece collision prevention girders, so in maintenance, only need to change
Middle part collision prevention girders 1.
The operation principle of segmented front anticollision beam of automobile is：When head-on crash occurs for automobile, if impact force is less, foam
Buffer stopper 7 can just fall energy absorption, so as to avoid middle part collision prevention girders 1 and energy-absorption box 8 from deforming, while can also be to quilt
The people of collision or thing form certain protective action；If impact force is larger, crumple deformation occurs for energy-absorption box 8, sponges big portion
The collision energy divided, protects passenger's safety to greatest extent；When occurring offset collision or glancing collision, if impact force
Less, L-shaped collision prevention girders 3 and longitudinal beam connected 12 just can be with the energy of Collision-free, if impact force is larger, L-shaped collision prevention girders 3
And longitudinal beam connected 12 deforms, then most of energy absorption is fallen by the crumple deformation of crushing type longeron 4, maximum limit
The protection passenger safety of degree.
Segmented front anticollision beam of automobile can be effectively protected various collision operating modes, and life peace is ensured to greatest extent
It is complete and reduce property loss, with maintenance cost after detachable, simple in construction, accident is low and the features such as high energy absorption, is adapted to
Extensive industry popularization and application.
In the other embodiment of automobile：Fixed plate can be not provided with the vertical edge of L-shaped collision prevention girders, now middle part collision prevention girders
Only it is connected by energy-absorption box with body frame；Sidepiece collision prevention girders can not include L-shaped collision prevention girders, such as sidepiece collision prevention girders are one
The Curved beam of individual level, now absorption cell be arranged between horizontal Curved beam and body frame；Energy-absorption box can not also be just right
The longeron of body frame is set, but has been deviateed；Foam block can also a monoblock be completely covered on middle part collision prevention girders before
Side；Foam block can be not provided with the collision prevention girders of middle part, now energy-absorption box can be arranged on the front side of middle part collision prevention girders；Sidepiece anticollision
Absorption cell between beam and body frame can also be energy-absorption box.
The implementation of segmented front anticollision beam of automobile is for example shown in Fig. 1 ~ Fig. 2, the concrete structure of segmented front anticollision beam of automobile
It is identical with the segmented front anticollision beam of automobile described in above-mentioned automobile embodiment, it will not be described in detail herein.
Claims (10)
1. a kind of segmented front anticollision beam of automobile, including middle part collision prevention girders and the sidepiece anticollision positioned at middle part collision prevention girders both sides
Beam, sidepiece collision prevention girders include the absorption cell for being used to be connected with body frame, it is characterised in that：Being provided with the collision prevention girders of middle part is used for
The energy-absorption box being connected with body frame.
2. segmented front anticollision beam of automobile according to claim 1, it is characterised in that：The energy-absorption box is located at middle part anticollision
The foam for being used to protect pedestrian impact towards front side is additionally provided with the rear side towards body frame of beam, middle part collision prevention girders
Block.
3. segmented front anticollision beam of automobile according to claim 2, it is characterised in that：The energy-absorption box has two and difference
Positioned at the left and right sides of middle part collision prevention girders and just the longeron of body frame is set respectively, the foam block also there are two, two
Foam block is correspondingly arranged in the longitudinal direction with two energy-absorption boxes.
4. the segmented front anticollision beam of automobile according to claim 1 ~ 3 any one, it is characterised in that：The sidepiece anticollision
Beam also includes L-shaped collision prevention girders, and middle part collision prevention girders are located between the vertical edge of two L-shaped collision prevention girders, and the absorption cell, which is arranged at L-shaped, to be prevented
Hit between the vertical edge of beam and body frame, the horizontal edge of L-shaped collision prevention girders is curved and connects with body frame, L-shaped collision prevention girders and car
Constituted between body skeleton in headlight installing space, L-shaped collision prevention girders and be fixed with headlight protective plate.
5. segmented front anticollision beam of automobile according to claim 4, it is characterised in that：The direction of the vertical edge of L-shaped collision prevention girders
The side of middle part collision prevention girders is fixed with fixed plate, and middle part collision prevention girders are provided at both ends with shrouding, and the shrouding is fixed with fixed plate
It is connected.
6. a kind of automobile, including body frame and the segmented front anticollision beam of automobile that is connected with body frame, before segmented automobile
Collision prevention girders include middle part collision prevention girders and the sidepiece collision prevention girders positioned at middle part collision prevention girders both sides, and sidepiece collision prevention girders include and vehicle body bone
The connected absorption cell of frame, it is characterised in that：The energy-absorption box being connected with body frame is provided with the collision prevention girders of middle part.
7. automobile according to claim 6, it is characterised in that：The energy-absorption box be located at middle part collision prevention girders towards vehicle body bone
The foam block for being used to protect pedestrian impact towards front side is additionally provided with the rear side of frame, middle part collision prevention girders.
8. automobile according to claim 7, it is characterised in that：The energy-absorption box has two and is located at middle part collision prevention girders respectively
The left and right sides and just the longeron of body frame is set respectively, the foam block also has two, and two foam blocks are inhaled with two
Energy box is correspondingly arranged in the longitudinal direction.
9. the automobile according to claim 6 ~ 8 any one, it is characterised in that：The sidepiece collision prevention girders are also anti-including L-shaped
Hit beam, middle part collision prevention girders are located between the vertical edge of two L-shaped collision prevention girders, the absorption cell be arranged at the vertical edges of L-shaped collision prevention girders with
Between body frame, the horizontal edge of L-shaped collision prevention girders is curved and connects with body frame, structure between L-shaped collision prevention girders and body frame
Into headlight installing space, headlight protective plate is fixed with L-shaped collision prevention girders.
10. automobile according to claim 9, it is characterised in that：The one of collision prevention girders in the middle part of the direction of the vertical edge of L-shaped collision prevention girders
Side is fixed with fixed plate, and middle part collision prevention girders are provided at both ends with shrouding, and the shrouding is fixedly linked with fixed plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621387381.4U CN206475845U (en) | 2016-12-16 | 2016-12-16 | A kind of segmented front anticollision beam of automobile and the automobile using the collision prevention girders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621387381.4U CN206475845U (en) | 2016-12-16 | 2016-12-16 | A kind of segmented front anticollision beam of automobile and the automobile using the collision prevention girders |
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| Publication Number | Publication Date |
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| CN206475845U true CN206475845U (en) | 2017-09-08 |
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ID=59750774
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621387381.4U Active CN206475845U (en) | 2016-12-16 | 2016-12-16 | A kind of segmented front anticollision beam of automobile and the automobile using the collision prevention girders |
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| CN (1) | CN206475845U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499267A (en) * | 2017-09-22 | 2017-12-22 | 天津盛相电子有限公司 | Automotive bumper mounting support structure |
| CN107554461A (en) * | 2017-09-22 | 2018-01-09 | 天津盛相电子有限公司 | Automobile-used both sides reinforcement supporting member |
| CN108437918A (en) * | 2018-03-21 | 2018-08-24 | 安徽江淮汽车集团股份有限公司 | A kind of light bus front anticollision beam assembly |
| CN109693536A (en) * | 2017-10-20 | 2019-04-30 | 郑州宇通客车股份有限公司 | Protective device of fuel tank and the vehicle for using the device |
-
2016
- 2016-12-16 CN CN201621387381.4U patent/CN206475845U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499267A (en) * | 2017-09-22 | 2017-12-22 | 天津盛相电子有限公司 | Automotive bumper mounting support structure |
| CN107554461A (en) * | 2017-09-22 | 2018-01-09 | 天津盛相电子有限公司 | Automobile-used both sides reinforcement supporting member |
| CN109693536A (en) * | 2017-10-20 | 2019-04-30 | 郑州宇通客车股份有限公司 | Protective device of fuel tank and the vehicle for using the device |
| CN108437918A (en) * | 2018-03-21 | 2018-08-24 | 安徽江淮汽车集团股份有限公司 | A kind of light bus front anticollision beam assembly |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |