CN208429046U - Front anti-collision beam, front anticollision beam assembly and vehicle - Google Patents
Front anti-collision beam, front anticollision beam assembly and vehicle Download PDFInfo
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- CN208429046U CN208429046U CN201821001637.2U CN201821001637U CN208429046U CN 208429046 U CN208429046 U CN 208429046U CN 201821001637 U CN201821001637 U CN 201821001637U CN 208429046 U CN208429046 U CN 208429046U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 151
- 210000003205 muscle Anatomy 0.000 claims abstract description 74
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
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- 230000001737 promoting effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 208000020442 loss of weight Diseases 0.000 description 2
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- 239000002991 molded plastic Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
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- 238000004080 punching Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model proposes a kind of front anti-collision beam, front anticollision beam assembly and vehicles, wherein front anti-collision beam includes: cross-beam body, the foreboard including being oppositely arranged and back plate, and cross-beam body is configured to hollow tubular structure；At least one reinforcing rib, is set in hollow tubular structure, and reinforcing rib is fixedly connected with foreboard and back plate respectively, and can be extended along the length direction of cross-beam body, wherein the cross section of reinforcing rib is configured to curved shape.Pass through the technical solution of the utility model, on the one hand, it is able to ascend stress dispersion efficiency in collision, can reduce the strain of front anti-collision beam, and then reduces the crack probability of front anti-collision beam, on the other hand, curved reinforcing rib is for the straight muscle of "-" type, additionally it is possible to realize that crumple is oriented to, so as to absorb impact force when collision with the deformation of the kinetic energy of generation when colliding, crusherbull zone is realized, to promote the safety in collision process.
Description
Technical field
The utility model relates to vehicle manufacture fields, in particular to a kind of front anti-collision beam, a kind of front anticollision beam assembly
And a kind of vehicle.
Background technique
In the related technology, as shown in Figure 1, the cross section of cross-beam body be mesh font, when carrying out anticollision experiment in the presence of with
Lower defect:
(1) contact with energy-absorption box the mounting surface of installation on front anti-collision beam, i.e., the rear plate face of front anti-collision beam with a thickness of 4mm,
When carrying out column and touching test, this face is easily-deformable, causes to install bolt disengagement；
(2) front anti-collision beam Rib Thickness 2.8mm, and have two reinforcing ribs, stress is not easy to disperse when shock, emulation point
Back side strain is analysed up to 12%, and the fracture elongation of 6082-T6 material only up to 8%, lower than strain, front anti-collision beam when leading to collision
The back side and side are cracked, test failure.
Utility model content
At least one in order to solve the above-mentioned technical problem, one of the utility model is designed to provide a kind of preceding anticollision
Beam.
Another of the utility model is designed to provide a kind of front anticollision beam assembly.
The further object of the utility model is to provide a kind of vehicle.
To achieve the goals above, the embodiment of the utility model first aspect proposes a kind of front anti-collision beam, comprising: horizontal
Beam ontology, including the foreboard being oppositely arranged and back plate, and cross-beam body is configured to hollow tubular structure；At least one reinforces
Muscle is set in hollow tubular structure, and reinforcing rib is fixedly connected with foreboard and back plate respectively, and can be along the length of cross-beam body
It spends direction to be extended, wherein the cross section of reinforcing rib is configured to curved shape.
In the technical scheme, the reinforcing rib of curved shape is replaced with by the straight muscle by "-" type in the prior art,
Curved reinforcing rib relative to foreboard, the straight muscle of the vertically disposed "-" type of back plate, on the one hand, collision when be able to ascend stress
Dispersion efficiency can reduce the strain of front anti-collision beam, and then reduces the crack probability of front anti-collision beam, on the other hand, curved
Reinforcing rib is for the straight muscle of "-" type, additionally it is possible to realize that crumple is oriented to, so as to when colliding generation it is dynamic
It can deform to absorb impact force when collision, crusherbull zone be realized, to promote the safety in collision process.
It will be appreciated by those skilled in the art that the straight muscle of a word to be replaced with to the reinforcement of curved shape in this application
Muscle, purpose are the rapid dispersion of stress when realizing collision to reduce strain, therefore, the reinforcing rib of curved shape either rule
Warp architecture or irregular warp architecture, it is all that above-mentioned purpose may be implemented, the protection scope of the application it
It is interior.
Wherein, the quantity of the reinforcing rib of curved shape is at least one, the bending direction of reinforcing rib can be bent upwards,
It is bent downwardly, is bent and is bent obliquely obliquely.
In addition, the reinforcing rib of curved shape can be arc section, oval segmental arc of rule etc. or irregular waveform knot
Structure etc..
In addition, the front anti-collision beam in above-described embodiment provided by the utility model can also have following supplementary technology special
Sign:
In the above-mentioned technical solutions, it is preferable that when the quantity of reinforcing rib is 1, reinforcing rib raises upward to be configured to
Curved shape, or to lower recess to be configured to curved shape.
In the technical scheme, the quantity of reinforcing rib can be one, and specifically, reinforcing rib is horizontally placed on cross-beam body
Interior, according to the difference of setting position, can raise upward bending, can also be with concave downward curvature, using adding for 1 curved shape
Strengthening tendons, on the one hand, stress is easier to disperse when shock, on the other hand, real while the intensity and rigidity that ensure that front anti-collision beam
Now whole loss of weight, to reduce energy consumption.
In any of the above-described technical solution, it is preferable that reinforcing rib is individually fixed at the horizontal centre of foreboard and back plate
Horizontal centre at.
In the technical scheme, by the way that reinforcing rib is set to the middle position in cross-beam body, touching front anti-collision beam
Stress is more balanced when hitting, to reduce the probability that local location causes stress to be concentrated.
In any of the above-described technical solution, it is preferable that when the quantity of reinforcing rib is a plurality of, a plurality of reinforcing rib is along longitudinal direction simultaneously
Row's setting, wherein a plurality of reinforcing rib is raised upward respectively to be configured to curved shape, and/or to lower recess to be configured to be bent
Shape.
In the technical scheme, the quantity of reinforcing rib can also be multiple, and a plurality of reinforcing rib is set side by side from top to bottom
It sets, wherein the reinforcing rib of multiple curved shapes can be there are three types of set-up mode, and (1) a plurality of reinforcing rib raise upward construction respectively
The curved shape of formation；(2) a plurality of reinforcing rib is recessed separately down constructs the curved shape of formation；(3) divide in a plurality of reinforcing rib
The warp architecture that Ju You do not raise upward and the curved shape to lower recess, on the one hand, with a reinforcing rib is only set, or it is existing
There is the mode that straight muscle is set in technology to compare, the intensity and rigidity of front anti-collision beam be able to ascend using a plurality of curved reinforcing rib,
On the other hand, by the way that a plurality of curved reinforcing rib is arranged, it can prevent that stress is concentrated in collision, and be able to ascend stress
The efficiency of dispersion, to further decrease the probability of cracking.
In any of the above-described technical solution, it is preferable that a plurality of reinforcing rib is to raise upward to be respectively configured to Curved
Shape；Or a plurality of reinforcing rib is to lower recess to be respectively configured to curved shape.
In the technical scheme, as the reinforcing rib of multiple curved shapes two kinds of set-up modes therein, a plurality of reinforcing rib
It is to raise upward to be respectively configured to curved shape or a plurality of reinforcing rib is to lower recess to be respectively configured to Curved
Shape, it is a plurality of to the curved reinforcing rib of same direction to be formed, while realizing stress rapid dispersion, by curved to same direction
Song is conducive to the effect for promoting crumple guiding.
Wherein, a plurality of reinforcing rib is to raise upward to be respectively configured to curved shape or a plurality of reinforcing rib is downward
To be respectively configured to curved shape, curved shape may be the same or different recess.
In any of the above-described technical solution, it is preferable that cross-beam body has water vertical with respect to foreboard and back plate respectively
The flat plane of symmetry；Wherein, when the quantity of reinforcing rib is even number, a plurality of reinforcing rib is respectively arranged at the two sides in horizontal symmetrical face, and
The relative level plane of symmetry is symmetrical arranged.
In the technical scheme, the reinforcing rib of curved shape is even number, and is symmetrical arranged relative to horizontal symmetrical face,
When generating collision, entire cross-beam body can be made to be more uniformly stressed, on the one hand, stress concentration can be prevented, it is another
Aspect can make strain decrease below the elongation percentage of cross-beam body material, to reduce the back plate of front anti-collision beam in collision
And the probability of side plate cracking.
Preferably, the quantity of arc-shaped muscle can be 2 or 4.
In any of the above-described technical solution, it is preferable that reinforcing rib on the upside of horizontal symmetrical face is to lower recess；And place
Reinforcing rib on the downside of horizontal symmetrical face raises upward.
In the technical scheme, it by the way that the opposite horizontal symmetrical face of the reinforcing rib of horizontal symmetrical face two sides to be bent, is producing
When raw collision, it can make the stress generated that two sides quickly be descended to disperse upwards from middle part.
In any of the above-described technical solution, it is preferable that the reinforcing rib on the upside of horizontal symmetrical face raises upward；And place
Reinforcing rib on the downside of horizontal symmetrical face is to lower recess.
In the technical scheme, it by the way that the opposite horizontal symmetrical face of the reinforcing rib of horizontal symmetrical face two sides to be bent, is producing
When raw collision, capable of making the stress generated, quickly from middle part, two sides disperse forwards, backwards.
In any of the above-described technical solution, it is preferable that curved shape be it is arc-shaped, reinforcing rib is configured to arc-shaped
Muscle.
In the technical scheme, by the way that the reinforcing rib of curved shape is configured to arc-shaped muscle, and arc-shaped muscle is with before
The tie point of plate and the tie point of back plate can be on sustained heights, on the one hand, realize the rule of the reinforcing rib of curved shape
Then prepared by property structure, to reduce the difficulty of processing for preparing mold of cross-beam body, on the other hand, by the way that arc-shaped muscle, energy is arranged
It enough prevents occurring stress concentration in collision, and then realizes stress dispersion, in another aspect, replacing straight muscle using arc-shaped muscle, lead to
Formed in mould technique preparation is crossed, preparation process is also fairly simple.
In any of the above-described technical solution, it is preferable that the opposite central angle of arc-shaped muscle is greater than or equal to 55 °, and is less than
Or it is equal to 75 °.
In the technical scheme, by the restriction to the corresponding central angle angular range of arc-shaped muscle, arc-shaped muscle is characterized
Curvature, pass through the value range for limiting the radian of arc-shaped muscle, on the one hand, prevent the radian of arc-shaped muscle is too small from causing to cut
Weak stress peptizaiton, on the other hand, be also prevented from arc-shaped muscle radian it is excessive cause whole intensity to be affected, Zai Yifang
Face can be realized the more excellent effect for promoting integral strength in the arc range.
Specifically, the quantity of arc-shaped muscle is two, i.e., upper arc-shaped muscle arc-shaped muscle under, wherein upper circular arc muscle is set
Set cross-beam body from top to bottom 1/3 at, lower circular arc muscle be arranged in cross-beam body from top to bottom 2/3 at, on the one hand, can
It realizes being evenly distributed with for two arc-shaped muscle, on the other hand, is also beneficial to realize cross-beam body uniform stressed in collision.
In any of the above-described technical solution, it is preferable that the opposite central angle of arc-shaped muscle is greater than or equal to 65 °, and is less than
Or it is equal to 68 °.
In the technical scheme, by further decrease arc-shaped muscle pair central angle angular range, on the one hand, energy
On the other hand enough functions of promoting stress dispersion when colliding can also be improved the accuracy of cross-beam body integral molded plastic processing.
In any of the above-described technical solution, it is preferable that the thickness of reinforcing rib is greater than or equal to 2mm, and is less than or equal to
2.6mm。
In the technical scheme, by limiting the thickness of the reinforcing rib of curved shape, it can guarantee reinforcing rib intensity
On the basis of, compared with the scheme with a thickness of 2.8mm of the reinforcing rib of curved shape in the prior art, due to using curved shape
Reinforcing rib replaces straight muscle, and the effective length in the horizontal direction of the reinforcing rib of curved shape is greater than straight muscle, reduces in conjunction with thick bottom,
The factor of stress concentration is advantageously reduced, to promote stress dispersion efficiency.
The thickness of the reinforcing rib of curved shape is determined as 2.2mm by set-up mode as one preferred, what will be reinforced
After straight muscle is changed to the reinforcing rib of curved shape, and the bending direction of the reinforcing rib of curved shape is into the level of cross-beam body
Heart bending can be realized the maximization of stress dispersion efficiency, compared with by the way of the reinforcing rib using straight muscle, back plate in collision
Strain can be down to 6.4% from original 12%, be conducive to the probability for improving components impact test qualification, and then be conducive to
Promote the safety of the vehicle using the front anti-collision beam in the application.
In any of the above-described technical solution, it is preferable that the thickness of back plate is greater than or equal to 4.8mm, and is less than or equal to
5.2mm；The thickness of foreboard is greater than or equal to 2.8mm, and is less than or equal to 3.2mm.
In the technical scheme, the cross-beam body as rectangular hollow tubular structure, other than foreboard and back plate,
It is additionally provided with to enclose and sets the upper plate to form hollow tubular structure and lower plate, by setting 4mm for the thickness of upper plate and lower plate, to protect
Demonstrate,prove the uniformity of cross-beam body integral thickness, on the one hand, the stress raisers as caused by uneven thickness can be prevented, it is another
Aspect ensure that the reliability of cross-beam body, reduce collision-deformed probability.
In any of the above-described technical solution, it is preferable that foreboard and back plate are plate relatively disposed in parallel or bent plate,
In, bent plate is along longitudinal flexion and cross section is configured to linear structure.
In the technical scheme, as the first structure type of cross-beam body, foreboard is opposite with back plate to be arranged in parallel, and one
Aspect, preparation process is relatively easy, on the other hand, is conducive to promote suitability when assembling with other components, in another aspect,
In collision, quick stress dispersion can be obtained.
As a kind of most common structure type, foreboard and the bent plate that back plate is along specified longitudinal flexion, and it is opposite
In parallel.
It as another structure type, applies in different structure scenes, foreboard can also be to be parallel to each other with back plate
Straight panel.
Wherein, it will be appreciated by those skilled in the art that, cross section is the axial cross sectional shape perpendicular to beam.
In any of the above-described technical solution, it is preferable that at least one of foreboard and back plate are curved slab, wherein curved surface
Plate is along longitudinal flexion and cross section is configured to camber line structure.
In the technical scheme, as the yet another construction form of cross-beam body, foreboard is bent plate with one in back plate,
Another is curved slab, by setting curved slab for one of them, compared with bent plate, in collision, can increase stress surface
Product, to drop the probability of stress concentration generation.
Specifically, one cross section in foreboard and back plate is configured to linear structure, another cross section is by structure
It makes as camber line structure, and is arranged along same longitudinal flexion, wherein camber line structure protrudes setting outward.
Specifically, the cross section of foreboard and back plate is all configured as camber line structure, wherein foreboard is forwardly convex, back plate to
After protrude.
In the technical scheme, by the way that foreboard and back plate are configured to curved slab, when generating collision, buffering is generated
Space is bigger, equally can be realized the rapid dispersion of stress.
In any of the above-described technical solution, it is preferable that cross-beam body further includes being fixedly connected respectively with foreboard and back plate,
The upper plate to form hollow tubular structure and lower plate are set to enclose, wherein the thickness of upper plate is greater than or equal to 3.5mm, and is less than or waits
In 4.5mm, the thickness of lower plate is greater than or equal to 3.5mm, and is less than or equal to 4.5mm.
In the technical scheme, by limiting the thickness of foreboard and back plate respectively, on the one hand, with use in the related technology
The scheme of the back plate of 4mm is compared, by increasing the thickness of back plate, the probability of back plate deformation when reducing collision, and then can reduce
The probability that energy absorbing component falls off, it is on the other hand, whole in guarantee compared with the scheme of foreboard for using 3.6mm thickness in the related technology
Under the premise of body intensity, by the way that the thickness of foreboard, under the premise of rear plate thickness is increased, weight that cross-beam body can be made total is thinned
Amount does not increase.
Preferably, back plate with a thickness of 5mm；Foreboard with a thickness of 3mm, it is thick by using the back plate and 3mm of 5mm thickness
The foreboard of degree can promote whole reliability under the premise of not increasing weight cost, and then can guarantee that meeting column touches examination
The requirement tested reduces the probability of test failure.
As a kind of optimal embodiment, the back plate of front anti-collision beam and the mounting surface of stringer energy-absorption box, the i.e. thickness of back plate
Degree is added to 5mm by 4mm, and the thickness of foreboard reduces to 3mm, and reinforcing rib is changed to the reinforcing rib of curved shape by straight muscle, and bending direction is equal
It is biased to collision prevention girders center, the Rib Thickness of curved shape is reduced to 2.2mm by 2.8mm, can have convenient for stress when collision
Effect quickly dispersion, while passing through the function of the reinforcing rib of curved shape realization crumple guiding.
In any of the above-described technical solution, it is preferable that front anti-collision beam is Al-alloy parts.
In the technical scheme, cross-beam body is prepared by using aluminium alloy, in the premise of proof strength and energy-absorbing energy-absorbing
Under, it can be realized body lightening, and then achieve the purpose that reduce energy consumption.
Wherein, aluminium alloy beam body is specifically as follows 6082-T6.
The embodiment of the utility model second aspect proposes a kind of front anticollision beam assembly, comprising: such as the utility model
Front anti-collision beam described in any one of embodiment of first aspect；Energy-absorption box is individually fixed in front anti-collision beam in the horizontal direction
The both ends of back plate.
Energy absorbing component is specially stringer energy-absorption box, and cross-beam body is curved cross member, and the bending direction of curved cross member is from rear
Plate is bent to foreboard direction.
In the above-mentioned technical solutions, it is preferable that energy-absorption box is Al-alloy parts.
In any of the above-described technical solution, it is preferable that the mounting surface of energy-absorbing box body is bonded setting with back plate, and passes through fastening
Bolt is fixedly connected with back plate；And region corresponding with energy-absorbing box body offers the handle hole of fastening bolt on foreboard.
In the technical scheme, energy-absorbing box body is mounted in back plate, on the one hand, in conjunction with the curved shape in cross-beam body
Reinforcing rib, by crumple realize collision energy absorption, and by the collision energy not fully absorbed to chassis runner transmit,
On the other hand, by opening up the handle hole of installation fastening bolt on foreboard, to facilitate the fastening of energy-absorbing box body to assemble.
Wherein, front longitudinal beam energy-absorption box is screwed on cross-beam body with using 6 bolts (unilateral each 3).
The embodiment of the utility model third aspect proposes a kind of vehicle, comprising: such as the second aspect of the utility model
Any one of embodiment described in front anticollision beam assembly.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
(1) reinforcing rib that curved shape is replaced with by the straight muscle by "-" type is able to ascend stress dispersion in collision
Efficiency can reduce the strain of front anti-collision beam, and then reduces the crack probability of front anti-collision beam.
(2) reinforcing rib that curved shape is replaced with by the straight muscle by "-" type can be realized crumple guiding in collision,
Energy-absorbing box body is set to realize the absorption of collision energy by crumple.
(3) reinforcing rib of curved shape is replaced with by the straight muscle by "-" type, preparation process is simple, and is able to ascend
Crashworthiness.
(4) by increasing the thickness of back plate, the probability of back plate deformation when reducing collision, and then it is de- to can reduce energy absorbing component
The probability fallen, by the way that the thickness of foreboard is thinned, under the premise of rear plate thickness is increased, the weight that cross-beam body can be made total does not increase
Add.
The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this
The practice of type is recognized.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 shows the cross section structure schematic diagram of the cross-beam body in front anti-collision beam in the related technology；
Fig. 2 shows the structural schematic diagrams of the cross-beam body of the front anti-collision beam of one embodiment according to the present utility model:
Fig. 3 shows the cross section structure schematic diagram of the cross-beam body in Fig. 2；
Fig. 4 shows the mark schematic cross-section of the cross-beam body in Fig. 2；
Fig. 5 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Fig. 6 shows the cross section structure schematic diagram of the cross-beam body of further embodiment according to the present utility model；
Fig. 7 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Fig. 8 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Fig. 9 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Figure 10 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Figure 11 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Figure 12 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Figure 13 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Figure 14 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Figure 15 shows the cross section structure schematic diagram of the cross-beam body of another embodiment according to the present utility model；
Figure 16 shows the structural schematic diagram of the front anticollision beam assembly of one embodiment according to the present utility model.
Wherein, corresponding relationship of the Fig. 2 into Figure 16 between appended drawing reference and component names are as follows:
1 front anti-collision beam, 10 cross-beam bodies, 102 back plates, 104 foreboards, 20 reinforcing ribs (arc-shaped muscle), 2 energy absorbing components (are inhaled
Energy box body), 108 horizontal symmetrical faces, 110 upper plates, 112 lower plates, 1042 handle holes.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
It is described referring to Fig. 2 to Figure 16 total according to the front anti-collision beam and front anti-collision beam of some embodiments of the utility model
At.
As shown in figures 2 and 5, the front anti-collision beam 1 of embodiment according to the present utility model, comprising: cross-beam body 10, including
The foreboard 104 and back plate 102 being oppositely arranged, and cross-beam body 10 is configured to hollow tubular structure；At least one reinforcing rib
20, it is set in hollow tubular structure, reinforcing rib 20 is fixedly connected with foreboard 104 and back plate 102 respectively, and can be along crossbeam
The length direction of ontology 10 is extended, wherein the cross section of reinforcing rib 20 is configured to curved shape.
In this embodiment, by the way that the straight muscle of "-" type in the prior art to be replaced with to the reinforcing rib 20 of curved shape,
Curved reinforcing rib 20 relative to foreboard 104, the 102 straight muscle of vertically disposed "-" type of back plate, on the one hand, collision when can
Stress dispersion efficiency is promoted, can reduce the strain of front anti-collision beam, and then reduces the crack probability of front anti-collision beam, another party
Face, curved reinforcing rib 20 is for the straight muscle of "-" type, additionally it is possible to realize that crumple is oriented to, so as to when colliding
Impact force when collision is absorbed with the deformation of the kinetic energy of generation, crusherbull zone is realized, to promote the safety in collision process.
It will be appreciated by those skilled in the art that the straight muscle of a word to be replaced with to the reinforcement of curved shape in this application
Muscle 20, purpose are the rapid dispersion of stress when realizing collision to reduce strain, and therefore, the reinforcing rib 20 of curved shape is either advised
Warp architecture or irregular warp architecture then, it is all that above-mentioned purpose may be implemented, in the protection scope of the application
Within.
Wherein, the quantity of the reinforcing rib 20 of curved shape is at least one, and the bending direction of reinforcing rib 20 can be upward
It is bent, is bent downwardly, being bent obliquely and being bent obliquely.
In addition, the reinforcing rib 20 of curved shape can be arc section, oval segmental arc of rule etc. or irregular waveform
Structure etc..
In addition, the front anti-collision beam in above-described embodiment provided by the utility model can also have following supplementary technology special
Sign:
In the above embodiment, it is preferable that when the quantity of reinforcing rib 20 is 1, as shown in figure 8, reinforcing rib 20 is upward
Protrusion is to be configured to curved shape, as shown in figure 9, to lower recess to be configured to curved shape.
In this embodiment, the quantity of reinforcing rib 20 can be one, and specifically, reinforcing rib 20 is horizontally placed on crossbeam sheet
In body 10, according to the difference of setting position, can raise upward bending, can also be with concave downward curvature, using 1 curved shape
Reinforcing rib 20, on the one hand, stress is easier to disperse when shock, on the other hand, in the intensity and rigidity that ensure that front anti-collision beam
Meanwhile realizing whole loss of weight, to reduce energy consumption.
In any of the above-described embodiment, it is preferable that reinforcing rib 20 be individually fixed at the horizontal centre of foreboard 104 and after
At the horizontal centre of plate 102.
In this embodiment, by the middle position being set to reinforcing rib 20 in cross-beam body 10, front anti-collision beam is made to exist
Stress is more balanced when collision, to reduce the probability that local location causes stress to be concentrated.
As shown in Fig. 3 to Fig. 7 and Figure 10 to Figure 15, in any of the above-described embodiment, it is preferable that in reinforcing rib 20
When quantity is a plurality of, a plurality of reinforcing rib 20 is arranged side by side along longitudinal direction, wherein a plurality of reinforcing rib 20 is raised upward respectively to be configured to
Curved shape, and/or to lower recess to be configured to curved shape.
In this embodiment, the quantity of reinforcing rib 20 can also be to be multiple, and a plurality of reinforcing rib 20 is from top to bottom side by side
Setting, wherein the reinforcing rib 20 of multiple curved shapes can there are three types of set-up modes, as shown in figure 5, (1) a plurality of reinforcing rib 20
The curved shape that the construction that raises upward respectively is formed；As shown in fig. 6, (2) a plurality of reinforcing rib 20 is recessed separately down, construction is formed
Curved shape；As shown in Figure 10, the warp architecture to raise upward is respectively provided in (3) a plurality of reinforcing rib 20 and to lower recess
Curved shape, on the one hand, with a reinforcing rib 20 is only set, or the mode of straight muscle is set in the prior art and is compared, using more
The curved reinforcing rib 20 of item is able to ascend the intensity and rigidity of front anti-collision beam, on the other hand, by the way that a plurality of curved reinforcement is arranged
Muscle 20 can prevent that stress is concentrated in collision, and be able to ascend the efficiency of stress dispersion, to further decrease cracking
Probability.
In any of the above-described embodiment, it is preferable that as shown in figure 5, a plurality of reinforcing rib 20 is to raise upward to distinguish structure
It makes as curved shape；As shown in fig. 6, a plurality of reinforcing rib 20 is to lower recess to be respectively configured to curved shape.
In this embodiment, as 20 therein two kinds of set-up modes of the reinforcing rib of multiple curved shapes, a plurality of reinforcing rib
20 be to raise upward to be respectively configured to curved shape or a plurality of reinforcing rib 20 is to lower recess to be respectively configured to be bent
Shape, it is a plurality of to the curved reinforcing rib 20 of same direction to be formed, while realizing stress rapid dispersion, by same side
To bending, be conducive to the effect for promoting crumple guiding.
Wherein, a plurality of reinforcing rib 20 is to raise upward to be respectively configured to curved shape or a plurality of reinforcing rib 20 is
To lower recess to be respectively configured to curved shape, curved shape be may be the same or different.
As shown in Fig. 3, Fig. 7, Figure 11 to Figure 15, in any of the above-described embodiment, it is preferable that cross-beam body 10 has difference
The vertical horizontal symmetrical face 108 of foreboard 104 and back plate 102 relatively；Wherein, a plurality of when the quantity of reinforcing rib 20 is even number
Reinforcing rib 20 is respectively arranged at the two sides in horizontal symmetrical face 108, and the relative level plane of symmetry 108 is symmetrical arranged.
In this embodiment, the reinforcing rib 20 of curved shape is even number, and is symmetrically set relative to horizontal symmetrical face 108
It sets, when generating collision, entire cross-beam body 10 can be made to be more uniformly stressed, on the one hand, stress concentration can be prevented,
On the other hand, strain can be made to decrease below the elongation percentage of 10 material of cross-beam body, to reduce front anti-collision beam in collision
Back plate 102 and side plate cracking probability.
Preferably, the quantity of arc-shaped muscle 20 can be 2 or 4.
As shown in Fig. 3, Figure 11 and Figure 12, in any of the above-described embodiment, it is preferable that in 108 upside of horizontal symmetrical face
Reinforcing rib 20 to lower recess；And the reinforcing rib 20 in 108 downside of horizontal symmetrical face raises upward.
In this embodiment, by the way that the opposite horizontal symmetrical face 108 of the reinforcing rib 20 of 108 two sides of horizontal symmetrical face is curved
Song can make the stress generated that two sides quickly be descended to disperse upwards from middle part when generating collision.
As shown in Fig. 7, Figure 13 to Figure 15, in any of the above-described embodiment, it is preferable that in 108 upside of horizontal symmetrical face
Reinforcing rib 20 raise upward；And the reinforcing rib 20 in the downside of horizontal symmetrical face 108 is to lower recess.
In this embodiment, by the way that the opposite horizontal symmetrical face 108 of the reinforcing rib 20 of 108 two sides of horizontal symmetrical face is curved
Song, when generating collision, capable of making the stress generated, quickly from middle part, two sides disperse forwards, backwards.
As shown in Fig. 3 to Figure 15, in any of the above-described embodiment, it is preferable that curved shape be it is arc-shaped, by reinforcing rib
20 are configured to arc-shaped muscle 20.
In this embodiment, by the way that the reinforcing rib 20 of curved shape is configured to arc-shaped muscle 20, and arc-shaped muscle 20
The tie point of tie point and back plate 102 with foreboard 104 can be on sustained height, on the one hand, realizes curved shape
Prepared by the systematicness structure of reinforcing rib 20, to reduce the difficulty of processing for preparing mold of cross-beam body 10, on the other hand, by setting
Arc-shaped muscle 20 is set, can prevent occurring stress concentration in collision, and then realize stress dispersion, in another aspect, using circular arc
Shape muscle 20 replaces straight muscle, the technique preparation being molded, and preparation process is also fairly simple.
In any of the above-described embodiment, it is preferable that the opposite central angle alpha of arc-shaped muscle 20 is greater than or equal to 55 °, and is less than
Or it is equal to 75 °.
In this embodiment, by the restriction to the corresponding central angle alpha angular range of arc-shaped muscle 20, arc-shaped muscle is characterized
20 curvature, the value range of the radian by limiting arc-shaped muscle 20, on the one hand, prevent the radian of arc-shaped muscle 20 too small
Cause to weaken stress peptizaiton, on the other hand, the radian for being also prevented from arc-shaped muscle 20 excessive causes whole intensity by shadow
It rings, in another aspect, can be realized the more excellent effect for promoting integral strength in the arc range.
Specifically, the quantity of arc-shaped muscle 20 is two, i.e., upper arc-shaped muscle 20 arc-shaped muscle 20 under, wherein upper circle
Arc muscle be arranged in cross-beam body 10 from top to bottom 1/3 at, lower circular arc muscle be arranged in cross-beam body 10 from top to bottom 2/3 at,
On the one hand, it can be realized being evenly distributed with for two arc-shaped muscle 20, on the other hand, be also beneficial to realize that cross-beam body 10 is equal in collision
Even stress.
In any of the above-described embodiment, it is preferable that the opposite central angle alpha of arc-shaped muscle 20 is greater than or equal to 65 °, and is less than
Or it is equal to 68 °.
In this embodiment, by further decrease arc-shaped muscle 20 pair central angle angular range, on the one hand, energy
On the other hand enough functions of promoting stress dispersion when colliding can also be improved the accuracy of 10 integral molded plastic of cross-beam body processing.
As shown in figure 4, in any of the above-described embodiment, it is preferable that the thickness c of reinforcing rib 20 is greater than or equal to 2mm, and small
In or equal to 2.6mm.
In this embodiment, by limiting the thickness c of the reinforcing rib 20 of curved shape, it can guarantee 20 intensity of reinforcing rib
On the basis of, compared with the thickness c of the reinforcing rib 20 of curved shape in the prior art is the scheme of 2.8mm, due to using bending
The reinforcing rib 20 of shape replaces straight muscle, and the effective length in the horizontal direction of the reinforcing rib 20 of curved shape is greater than straight muscle, knot
Closing thick bottom reduces, and the factor of stress concentration is advantageously reduced, to promote stress dispersion efficiency.
The thickness c of the reinforcing rib 20 of curved shape is determined as 2.2mm, will added by set-up mode as one preferred
After strong straight muscle is changed to the reinforcing rib 20 of curved shape, and the bending direction of the reinforcing rib 20 of curved shape is to cross-beam body
10 horizontal centre bending can be realized the maximization of stress dispersion efficiency, the side with the reinforcing rib 20 using straight muscle in collision
Formula is compared, and the strain of back plate 102 can be down to 6.4% from original 12%, is conducive to improve components impact test qualification
Probability, and then be conducive to be promoted the safety of the vehicle using the front anti-collision beam in the application.
As shown in figure 4, in any of the above-described embodiment, it is preferable that the thickness b of back plate 102 is greater than or equal to 4.8mm, and
Less than or equal to 5.2mm；The thickness a of foreboard 104 is greater than or equal to 2.8mm, and is less than or equal to 3.2mm.
In this embodiment, as the cross-beam body 10 of rectangular hollow tubular structure, in addition to foreboard 104 and back plate
It except 102, is additionally provided with to enclose and sets the upper plate 110 to form hollow tubular structure and lower plate 112, by by upper plate 110 and lower plate 112
Thickness be set as 4mm, to guarantee the uniformity of 10 integral thickness of cross-beam body, on the one hand, can prevent due to uneven thickness
Caused by stress raisers, on the other hand, ensure that the reliability of cross-beam body 10, reduce collision-deformed probability.
As shown in Fig. 3 to Figure 11, in any of the above-described embodiment, it is preferable that foreboard 104 is relatively parallel with back plate 102
The plate or bent plate of setting, wherein bent plate is along longitudinal flexion and cross section is configured to linear structure.
In this embodiment, as the first structure type of cross-beam body 10, foreboard 104 is relatively parallel with back plate 102
Setting, on the one hand, preparation process is relatively easy, on the other hand, is conducive to promote suitability when assembling with other components, then
On the one hand, in collision, quick stress dispersion can be obtained.
As a kind of most common structure type, foreboard 104 and the bent plate that back plate 102 is along specified longitudinal flexion, and
And it is relatively parallel.
It as another structure type, applies in different structure scenes, foreboard 104 can also be phase with back plate 102
Mutually parallel straight panel.
Wherein, it will be appreciated by those skilled in the art that, cross section is the axial cross sectional shape perpendicular to beam.
As shown in Figure 14 and Figure 15, in any of the above-described embodiment, it is preferable that at least one in foreboard 104 and back plate 102
A is curved slab, wherein curved slab is along longitudinal flexion and cross section is configured to camber line structure.
In the technical scheme, as the yet another construction form of cross-beam body, foreboard 104 and one in back plate 102
For bent plate, another is curved slab, by setting curved slab for one of them, compared with bent plate, in collision, can be increased
Forced area, to drop the probability of stress concentration generation.
Specifically, one cross section in foreboard 104 and back plate 102 is configured to linear structure, another transversal
Face is configured to camber line structure, and is arranged along same longitudinal flexion, wherein camber line structure protrudes setting outward.
As shown in Figure 12 and Figure 13, in any of the above-described embodiment, it is preferable that foreboard 104 and the cross section of back plate 102 are equal
It is configured to camber line structure, wherein foreboard 104 is forwardly convex, and back plate 102 is protruded backward.
In this embodiment, it by the way that foreboard 104 and back plate 102 are configured to curved slab, when generating collision, generates slow
The space of punching is bigger, equally can be realized the rapid dispersion of stress.
As shown in figure 4, in any of the above-described embodiment, it is preferable that cross-beam body 10 further include respectively with foreboard 104 and
Back plate 102 is fixedly connected, and sets the upper plate 110 to form hollow tubular structure and lower plate 112 to enclose, wherein the thickness d of upper plate 110
More than or equal to 3.5mm, and it is less than or equal to 4.5mm, the thickness e of lower plate 112 is greater than or equal to 3.5mm, and is less than or equal to
4.5mm。
In this embodiment, by limiting the thickness b of foreboard 104 Yu back plate 102 respectively, on the one hand, in the related technology
It is compared using the scheme of the back plate 102 of 4mm, by increasing the thickness b of back plate 102, back plate 102 is deformed general when reducing collision
Rate, and then can reduce the probability that energy absorbing component falls off, on the other hand, with the foreboard 104 that uses 3.6mm thickness in the related technology
Scheme is compared, under the premise of guaranteeing integral strength, by the way that the thickness a of foreboard 104 is thinned, before 102 thickness of back plate is increased
It puts, the weight that cross-beam body 10 can be made total does not increase.
Preferably, the thickness b of back plate 102 is 5mm；The thickness a of foreboard 104 is 3mm, by using the back plate of 5mm thickness
The foreboard 104 of 102 and 3mm thickness can promote whole reliability, Jin Erneng under the premise of not increasing weight cost
It is enough to guarantee to meet the requirement that column touches test, reduce the probability of test failure.
As a kind of optimal embodiment, the back plate 102 of front anti-collision beam and the mounting surface of stringer energy-absorption box, i.e. back plate
102 thickness b is added to 5mm by 4mm, and the thickness a of foreboard 104 reduces to 3mm, and reinforcing rib 20 is changed to the reinforcement of curved shape by straight muscle
Muscle 20, bending direction are biased to collision prevention girders center, and 20 thickness of reinforcing rib of curved shape is reduced to 2.2mm by 2.8mm, just
Stress can fast and effectively disperse when collision, while the function of crumple guiding is realized by the reinforcing rib 20 of curved shape.
In any of the above-described embodiment, it is preferable that front anti-collision beam is Al-alloy parts.
In this embodiment, cross-beam body 10 is prepared by using aluminium alloy, in the premise of proof strength and energy-absorbing energy-absorbing
Under, it can be realized body lightening, and then achieve the purpose that reduce energy consumption.
Wherein, aluminium alloy beam body is specifically as follows 6082-T6.
As shown in figure 16, the front anticollision beam assembly of embodiment according to the present utility model, comprising: any in above-described embodiment
Front anti-collision beam 1 described in；Energy-absorption box 2 is individually fixed in the both ends of the back plate 102 of front anti-collision beam 1 in the horizontal direction.
Energy absorbing component is specially stringer energy-absorption box, and cross-beam body is curved cross member, and the bending direction of curved cross member is from rear
Plate is bent to foreboard direction.
In the above embodiment, it is preferable that energy-absorption box is Al-alloy parts.
In any of the above-described embodiment, it is preferable that the mounting surface of energy-absorbing box body 2 is bonded setting with back plate 102, and by tight
Fixing bolt is fixedly connected with back plate；And region corresponding with energy-absorbing box body offers the handle hole of fastening bolt on foreboard 104
1042。
In this embodiment, energy-absorbing box body 2 is mounted in back plate 102, on the one hand, in conjunction with the bending in cross-beam body 10
The reinforcing rib of shape realizes the absorption of collision energy by crumple, and by the collision energy not fully absorbed to chassis runner
Transmitting, on the other hand, by opening up the handle hole 1042 of installation fastening bolt on foreboard 104, to facilitate the tight of energy-absorbing box body
Gu assembling.
Wherein, front longitudinal beam energy-absorption box is screwed on cross-beam body with using 6 bolts (unilateral each 3).
The vehicle of embodiment according to the present utility model, comprising: front anti-collision beam described in any one of above-described embodiment is total
At.
The thickness of the thickness b foreboard 104 of the thickness b back plate 102 of the thickness a back plate 102 of the thickness b foreboard 104 of back plate 102
The thickness a of the thickness b foreboard 104 of the thickness a back plate 102 of the thickness b foreboard 104 of a back plate 102
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as
Indication or suggestion relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection
It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right
For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
In the description of the utility model, it is to be understood that term " on ", "lower", "left", "right", "front", "rear" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or unit of indication or suggestion meaning there must be specific direction, with specific orientation construction
And operation, it is thus impossible to be construed as a limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (19)
1. a kind of front anti-collision beam characterized by comprising
Cross-beam body, including the foreboard being oppositely arranged and back plate, and the cross-beam body is configured to hollow tubular structure；
At least one reinforcing rib is set in the hollow tubular structure, the reinforcing rib respectively with the foreboard and described
Back plate is fixedly connected, and can be extended along the length direction of the cross-beam body,
Wherein, the cross section of the reinforcing rib is configured to curved shape.
2. front anti-collision beam according to claim 1, which is characterized in that
When the quantity of the reinforcing rib is 1, the reinforcing rib raises upward to be configured to the curved shape, or to recessed
It falls into be configured to the curved shape.
3. front anti-collision beam according to claim 2, which is characterized in that
The reinforcing rib is individually fixed at the horizontal centre of the foreboard and at the horizontal centre of the back plate.
4. front anti-collision beam according to claim 1, which is characterized in that
When the quantity of the reinforcing rib is a plurality of, a plurality of reinforcing rib is arranged side by side along longitudinal direction,
Wherein, a plurality of reinforcing rib is raised upward respectively to be configured to the curved shape；And/or
To lower recess to be configured to the curved shape.
5. front anti-collision beam according to claim 4, which is characterized in that
The a plurality of reinforcing rib is to raise upward to be respectively configured to the curved shape；Or
The a plurality of reinforcing rib is to lower recess to be respectively configured to the curved shape.
6. front anti-collision beam according to claim 4, which is characterized in that
The cross-beam body horizontal symmetrical face vertical with the relatively described foreboard respectively and the back plate；
Wherein, when the quantity of the reinforcing rib is even number, a plurality of reinforcing rib is respectively arranged at the horizontal symmetrical face
Two sides, and the relatively described horizontal symmetrical face is symmetrical arranged.
7. front anti-collision beam according to claim 6, which is characterized in that
The reinforcing rib on the upside of the horizontal symmetrical face is to lower recess, and the institute on the downside of the horizontal symmetrical face
Reinforcing rib is stated to raise upward；Or
The reinforcing rib on the upside of the horizontal symmetrical face raises upward, and the institute on the downside of the horizontal symmetrical face
Reinforcing rib is stated to lower recess.
8. front anti-collision beam according to any one of claim 1 to 7, which is characterized in that
The curved shape be it is arc-shaped, the reinforcing rib is configured to arc-shaped muscle.
9. front anti-collision beam according to claim 8, which is characterized in that
The opposite central angle of the arc-shaped muscle is greater than or equal to 55 °, and is less than or equal to 75 °.
10. front anti-collision beam according to claim 9, which is characterized in that
The opposite central angle of the arc-shaped muscle is greater than or equal to 65 °, and is less than or equal to 68 °.
11. front anti-collision beam according to any one of claim 1 to 7, which is characterized in that
The thickness of the reinforcing rib is greater than or equal to 2mm, and is less than or equal to 2.6mm.
12. front anti-collision beam according to any one of claim 1 to 7, which is characterized in that
The thickness of the back plate is greater than or equal to 4.8mm, and is less than or equal to 5.2mm；
The thickness of the foreboard is greater than or equal to 2.8mm, and is less than or equal to 3.2mm.
13. front anti-collision beam according to any one of claim 1 to 7, which is characterized in that
The foreboard and the back plate are plate relatively disposed in parallel or bent plate,
Wherein, the bent plate is along longitudinal flexion and cross section is configured to linear structure.
14. front anti-collision beam according to any one of claim 1 to 7, which is characterized in that
At least one of the foreboard and the back plate are curved slab,
Wherein, the curved slab is along longitudinal flexion and cross section is configured to camber line structure.
15. front anti-collision beam according to claim 13, which is characterized in that
The cross-beam body further includes being fixedly connected respectively with the foreboard and the back plate, to form the hollow tube to enclose to set
The upper plate and lower plate of shape structure,
Wherein, the thickness of the upper plate be greater than or equal to 3.5mm, and be less than or equal to 4.5mm, the thickness of the lower plate be greater than or
Equal to 3.5mm, and it is less than or equal to 4.5mm.
16. front anti-collision beam according to any one of claim 1 to 7, which is characterized in that
The front anti-collision beam is Al-alloy parts.
17. a kind of front anticollision beam assembly characterized by comprising
Front anti-collision beam as described in any one of claims 1 to 16；
Energy-absorption box is individually fixed in the both ends of the back plate of the front anti-collision beam in the horizontal direction.
18. front anticollision beam assembly according to claim 17, which is characterized in that
The mounting surface of the energy-absorbing box body is bonded setting with the back plate, and is fixedly connected by fastening bolt with the back plate；
And
Region corresponding with the energy-absorbing box body offers the handle hole of the fastening bolt on the foreboard.
19. a kind of vehicle characterized by comprising
Front anticollision beam assembly as described in claim 17 or 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821001637.2U CN208429046U (en) | 2018-06-27 | 2018-06-27 | Front anti-collision beam, front anticollision beam assembly and vehicle |
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|---|---|---|---|
| CN201821001637.2U CN208429046U (en) | 2018-06-27 | 2018-06-27 | Front anti-collision beam, front anticollision beam assembly and vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660974A (en) * | 2020-06-24 | 2020-09-15 | 华侨大学 | Anticollision energy-absorbing structure and car anticollision roof beam |
| CN113147638A (en) * | 2021-05-08 | 2021-07-23 | 南华大学 | Low-cost high-precision automobile front collision cross beam and preparation method thereof |
| CN114312642A (en) * | 2022-01-05 | 2022-04-12 | 岚图汽车科技有限公司 | Anti-collision energy-absorbing beam, anti-collision beam assembly and vehicle |
-
2018
- 2018-06-27 CN CN201821001637.2U patent/CN208429046U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660974A (en) * | 2020-06-24 | 2020-09-15 | 华侨大学 | Anticollision energy-absorbing structure and car anticollision roof beam |
| CN111660974B (en) * | 2020-06-24 | 2023-06-20 | 华侨大学 | Anti-collision energy-absorbing structure and automobile anti-collision beam |
| CN113147638A (en) * | 2021-05-08 | 2021-07-23 | 南华大学 | Low-cost high-precision automobile front collision cross beam and preparation method thereof |
| CN114312642A (en) * | 2022-01-05 | 2022-04-12 | 岚图汽车科技有限公司 | Anti-collision energy-absorbing beam, anti-collision beam assembly and vehicle |
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