CN110371062A - A kind of Efficient automobile crash energy absorption equipment - Google Patents
A kind of Efficient automobile crash energy absorption equipment Download PDFInfo
- Publication number
- CN110371062A CN110371062A CN201910763393.4A CN201910763393A CN110371062A CN 110371062 A CN110371062 A CN 110371062A CN 201910763393 A CN201910763393 A CN 201910763393A CN 110371062 A CN110371062 A CN 110371062A
- Authority
- CN
- China
- Prior art keywords
- translot
- macropore
- energy absorption
- crash energy
- absorption equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 28
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 23
- 229920001875 Ebonite Polymers 0.000 claims abstract description 13
- 210000002421 cell wall Anatomy 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 239000000956 alloy Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention provides a kind of Efficient automobile crash energy absorption equipments, including the first connecting plate, the second connecting plate and shell, first connecting plate and the second connecting plate are separately positioned on shell both ends, porous Al alloy section and hard rubber section are filled in shell, wherein porous Al alloy section is equipped with one group of macropore translot and one group of aperture translot, and macropore translot and aperture translot are sequentially arranged at intervals.It being equidistant between adjacent macropore translot, the distance between adjacent apertures translot is equal, when guaranteeing stress, uniform force everywhere.
Description
Technical field
The present invention relates to auto parts technical field, especially a kind of Efficient automobile crash energy absorption equipment.
Background technique
With the increasingly increase of the automobile volume of holding, the safety accident of automobile is increasing, and the collision safety performance of automobile is got over
To be more concerned by people.Important part of the energy-absorption box as vehicle passive safety passes through energy-absorbing when collision accident occurs
The compressive deformation of box absorbs impact kinetic energy and reduces maximum impact force to mitigate impact, and playing, which reduces collision accident, breaks vehicle body
Bad and personnel harmful effects.Traditional energy-absorption box is made of steel plate sheet metal component, and this energy-absorption box weight is larger, is opened in recent years
The energy-absorption box of hair mostly uses aluminum alloy materials, however since its structure is simple extrusion structure, crush characteristics, energy absorption ability and
Collisional stabilization is not also high.
Summary of the invention
Goal of the invention: high the technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of automobile
Imitate crash energy absorption equipment.
In order to solve the above-mentioned technical problems, the present invention provides a kind of Efficient automobile crash energy absorption equipments, including the first company
Fishplate bar, the second connecting plate and shell, the first connecting plate and the second connecting plate are separately positioned on shell both ends, are filled in shell more
Hole aluminium alloy section and hard rubber section, wherein porous Al alloy section is equipped with one group of macropore translot and one group of aperture translot, and macropore is horizontal
Slot and aperture translot are sequentially arranged at intervals.
It in the present invention, is equidistant between adjacent macropore translot, the distance between adjacent apertures translot is equal, guarantees stress
When, uniform force everywhere.
In the present invention, the length ratio of porous Al alloy section and hard rubber section is between 1: 2 to 2: 1, porous Al alloy section
It is moderate with hard rubber section ratio, it works in coordination, facilitates cushion impact forces.During automobile collides, hard rubber block
It being squeezed and deforms, buffering can be played the role of, porous Al alloy section deforms, energy-absorbing can be played the role of,
The length ratio of porous Al alloy section and hard rubber section is arranged in pairs or groups between 1: 2 to 2: 1 by reasonable ratio, and the energy-absorbing is filled
The buffering effect and energy-absorbing effect set reach best.
In the present invention, it is fixedly connected between porous Al alloy section and hard rubber section by binder
In the present invention, the shell is set as wave structure or meander line structure, and shell is arranged to wave structure or broken line knot
Structure can play buffer function, prevent shell directly damaged when being hit power.
In the present invention, the macropore translot and aperture translot cross section are circle, are convenient for buffering energy-absorbing.
In the present invention, the macropore translot and aperture translot cross section are ellipse, are convenient for buffering energy-absorbing.
In the present invention, the macropore translot and aperture translot cross section are regular polygon, are convenient for buffering energy-absorbing.
In the present invention, the macropore translot and aperture translot center line are vertical with casing centerline, are convenient for buffering energy-absorbing.
In the present invention, the cell wall of the macropore translot is arranged to wave structure, and the slot arm of translot is also provided with into wave structure,
The bradyseism energy-absorbing effect that device entirety can be increased assigns to the longitudinal power in part in transverse direction.
In the present invention, the cell wall of the aperture translot is arranged to wave structure.
The utility model has the advantages that this crash energy absorption equipment has good buffering energy-absorbing effect.By to Al-alloy casing, aluminium alloy
Material segment and hard rubber section design and have manufactured the structure with high buffering energy-absorbing performance, utmostly play the energy-absorbing of energy-absorption box
Potentiality can effectively reduce car crass destruction and personal injury.
Detailed description of the invention
The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, it is of the invention above-mentioned or
Otherwise advantage will become apparent.
Fig. 1 a is 1 structural schematic diagram of embodiment;
Fig. 1 b is scheme of installation;
Fig. 2 is 1 diagrammatic cross-section of embodiment;
Fig. 3 is 1 planar structure body diagram of embodiment;
Fig. 4 a operation principle schematic diagram one;
Fig. 4 b operation principle schematic diagram two;
Fig. 4 c operation principle schematic diagram three;
Fig. 5 is 2 wave structure body diagram of embodiment;
Fig. 6 is 3 meander line structure body diagram of embodiment;
Fig. 7 is the body diagram of embodiment 4;
Fig. 8 is the body diagram of embodiment 5;
Fig. 9 is the macropore translot and aperture translot cross-sectional view of embodiment 6;
Figure 10 is the macropore translot and aperture translot cross-sectional view of embodiment 7;
Figure 11 is the macropore translot and aperture translot cross-sectional view of embodiment 8;
Figure 12 a is 9 macropore translot cell wall schematic diagram of embodiment;
Figure 12 b is 9 aperture translot cell wall schematic diagram of embodiment.
Specific embodiment
It elaborates below in conjunction with attached drawing to the present invention.
Embodiment 1:
Such as Fig. 1 a, a kind of Efficient automobile crash energy absorption equipment provided in this embodiment, including the first connecting plate 1, second connect
Fishplate bar 2 and shell 3, the first connecting plate 1 and the second connecting plate 2 are separately positioned on shell both ends, are respectively used to connection automobile collision preventing
Beam and stringer.
The first connecting plate 1 such as Fig. 1 b, including crash energy absorption equipment 8, collision prevention girders 9 and stringer 10, crash energy absorption equipment 8 is solid
Surely collision prevention girders 9 are connected to, the second connecting plate 2 is fixedly attached to stringer 10, and a buffering energy-absorbing dress is all connected on the stringer 9 on both sides
Set 8.
Such as Fig. 2, be equipped with porous Al alloy section 4 and hard rubber section 5 in shell 3, porous Al alloy section 4 close to stringer side,
Hard rubber section 5 is close to collision prevention girders side.Porous Al alloy section is equipped with one group of macropore translot 6 and one group of aperture translot 7, and macropore is horizontal
Slot and aperture translot are sequentially arranged at intervals.Axially and radially it is being alternatively arranged.It is equidistant between adjacent macropore translot, it is adjacent
The distance between aperture translot is equal.Macropore translot and aperture translot center line are vertical with casing centerline.
The length ratio of porous Al alloy section and hard rubber section is 1.5: 1 in the present embodiment between 1: 2 to 2: 1.
Such as Fig. 3, shell 3 is planar structure, 3 aluminum alloy materials of shell, and extrusion forming is simultaneously heat-treated, and has it
Excellent collision energy-absorbing performance and compressive deformation mode.
4 cast molding of porous Al alloy section, and be heat-treated, so that it is had excellent collision energy-absorbing performance and compression and becomes
Shape mode.
Certain collision energy can be absorbed in Efficient automobile crash energy absorption equipment provided in this embodiment, Al-alloy casing, firmly
Buffer capacity can be improved in rubber, and porous Al alloy material block can effectively absorb collision energy while have buffer capacity.
Specifically, first, in hard rubber section, deformation occurs, then deforms in porous Al alloy section, so that entire buffering is inhaled
Compressive deformation uniformly occurs for energy structure, utmostly plays its energy-absorbing potentiality.
Working principle:
1, different size holes are set, are concentrated using bore edges stress, under impact force action, so that around-the-hole stress is sharply
Increase, forms plastic zone, into Plastic Flow, as shown in figures 4 a and 4b,
2, load continues under effect, the plastic deformation of different pore sizes, Plastic Flow, so that plastic hinge is generated in hole edge,
As illustrated in fig. 4 c
3, hole edge material is flowed in the form of plastic hinge, so that hole can produce radial deformation, is obtained buffering effect, is moulded simultaneously
Property hinge rotation obtain energy consumption effect
4, hole edge material plasticity deformation, flow it is mutually coordinated so that material the energy-absorbing stage have lesser rigidity, have
Good buffering effect, while all hole edge materials produce Plastic Flow, have efficient energy-absorbing effect.
Embodiment 2:
Such as Fig. 5, the present embodiment is with the difference of embodiment 1, and shell 3 is wave structure.
Embodiment 3:
Such as Fig. 6, the present embodiment is with the difference of embodiment 1, and shell 3 is meander line structure.
Embodiment 4:
Such as Fig. 7, the present embodiment is that 3 interlude of shell is wave structure, and both ends are planar structure with the difference of embodiment 2.
Embodiment 5:
Such as Fig. 8, the present embodiment is that 3 interlude of shell is meander line structure, and both ends are planar structure with the difference of embodiment 3.
Embodiment 6:
Such as Fig. 9, on that basis of example 1, macropore translot and aperture translot cross section are circle to the present embodiment.Macropore is horizontal
Groove radius is 10mm, and aperture translot radius is 4mm.
Embodiment 7:
Such as Figure 10, the present embodiment is that macropore translot and aperture translot cross section are ellipse with the difference of embodiment 6.
Embodiment 8:
Such as Figure 11, the present embodiment is that macropore translot and aperture translot cross section are diamond shape with the difference of embodiment 6.
Embodiment 9:
If the cell wall of Figure 12 a, macropore translot are arranged to wave structure, as the cell wall of Figure 12 b, aperture translot are arranged to wave
Structure can increase the bradyseism energy-absorbing effect of device entirety, and the longitudinal power in part is assigned in transverse direction.
The present invention provides a kind of Efficient automobile crash energy absorption equipment, the method and approach for implementing the technical solution are very
It is more, the above is only a preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.All undefined components in this embodiment can be implemented in the prior art.
Claims (10)
1. a kind of Efficient automobile crash energy absorption equipment, which is characterized in that including the first connecting plate (1), the second connecting plate (2) and shell
Body (3), the first connecting plate (1) and the second connecting plate (2) are separately positioned on shell (3) both ends, close in shell filled with porous aluminum
Golden section (4) and hard rubber section (5), wherein porous Al alloy section (4) is equipped with one group of macropore translot (6) and one group of aperture translot
(7), macropore translot and aperture translot are sequentially arranged at intervals.
2. a kind of Efficient automobile crash energy absorption equipment according to claim 1, which is characterized in that between adjacent macropore translot
It is equidistant, the distance between adjacent apertures translot is equal.
3. a kind of Efficient automobile crash energy absorption equipment according to claim 1, which is characterized in that porous Al alloy section and hard
The length ratio of rubber segments is between 1: 2 to 2: 1.
4. a kind of Efficient automobile crash energy absorption equipment according to claim 1, which is characterized in that the shell is set as wave
Unrestrained structure or meander line structure.
5. a kind of Efficient automobile crash energy absorption equipment according to claim 1, which is characterized in that the macropore translot and small
Hole translot cross section is circle.
6. a kind of Efficient automobile crash energy absorption equipment according to claim 1, which is characterized in that the macropore translot and small
Hole translot cross section is ellipse.
7. a kind of Efficient automobile crash energy absorption equipment according to claim 1, which is characterized in that the macropore translot and small
Hole translot cross section is regular polygon.
8. a kind of Efficient automobile crash energy absorption equipment according to claim 1, which is characterized in that the macropore translot and small
Hole translot center line is vertical with casing centerline.
9. a kind of Efficient automobile crash energy absorption equipment according to claim 1, which is characterized in that the slot of the macropore translot
Wall is arranged to wave structure.
10. a kind of Efficient automobile crash energy absorption equipment according to claim 1, which is characterized in that the aperture translot
Cell wall is arranged to wave structure.
Priority Applications (1)
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CN201910763393.4A CN110371062A (en) | 2019-08-19 | 2019-08-19 | A kind of Efficient automobile crash energy absorption equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910763393.4A CN110371062A (en) | 2019-08-19 | 2019-08-19 | A kind of Efficient automobile crash energy absorption equipment |
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Publication Number | Publication Date |
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CN110371062A true CN110371062A (en) | 2019-10-25 |
Family
ID=68259806
Family Applications (1)
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CN201910763393.4A Pending CN110371062A (en) | 2019-08-19 | 2019-08-19 | A kind of Efficient automobile crash energy absorption equipment |
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