CN110509877A - The vehicle energy absorption box of efficient anticollision - Google Patents
The vehicle energy absorption box of efficient anticollision Download PDFInfo
- Publication number
- CN110509877A CN110509877A CN201910926194.0A CN201910926194A CN110509877A CN 110509877 A CN110509877 A CN 110509877A CN 201910926194 A CN201910926194 A CN 201910926194A CN 110509877 A CN110509877 A CN 110509877A
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- China
- Prior art keywords
- porous structure
- shell
- energy absorption
- structure core
- absorption box
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 33
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 230000002950 deficient Effects 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 230000001066 destructive effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 244000105017 Vicia sativa Species 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention provides a kind of vehicle energy absorption boxes of efficient anticollision, including shell, porous structure core and composite fibre pipe；The shell and porous structure core are six face cylinders；The upper bottom surface of the shell and porous structure core is square, and four seamed edges of the shell and porous structure core are distributed along the central axis central symmetry of the shell, and the seamed edge is towards the curved curve of the central axis direction；The porous structure core is set to the interior of shell；Multiple resigning roads are provided on the porous structure core, along the diagonal line distribution of the porous structure core for square of telling a story, the composite fibre pipe insertion resigning road is fixed in the resigning road.It can be realized using the technical program and peak value destructive power is effectively reduced.
Description
Technical field
The present invention relates to automobile energy-absorbing field, in particular to a kind of vehicle energy absorption boxes of efficient anticollision.
Background technique
Vehicle safety is one of most important link in automobile engineering research and development, is related to people life property safety
Important subject.In recent years, with the rapid development of Chinese road infrastructure and the breakthrough of domestic automobile industrial technology,
China's automobile guarantee-quantity is being skyrocketed through.At the same time, traffic accidents quantity is also growing day by day, to people's life wealth
Production causes huge threat and injury.
Vehicle energy absorption box is energy absorption device important in bumper system for vehicles, it be mounted on crossbeam and longitudinal beam it
Between, when automobile collides, the energy of external impact can be switched to inside by itself irreversible plastic deformation by energy-absorption box
The energy of deformation reduces peak value destructive power, to reduce injury suffered by occupant and pedestrian as far as possible.But vapour in the prior art
Vehicle energy-absorption box energy absorbing efficiency is low, carries unstable, peak force cannot be effectively reduced, therefore design a kind of with excellent crash-worthiness
Vehicle energy absorption box is of great practical significance.
Summary of the invention
The purpose of the present invention is to provide a kind of vehicle energy absorption box of efficient anticollision, peak value destructive power is effectively reduced in realization.
In order to solve the above-mentioned technical problems, the present invention provides a kind of vehicle energy absorption box of efficient anticollision, including it is shell, more
Pore structure core and composite fibre pipe；The shell and porous structure core are six face cylinders；The shell and porous structure core
Upper bottom surface is square, and four seamed edges of the shell and porous structure core divide along the central axis central symmetry of the shell
Cloth, and the seamed edge is towards the curved curve of the central axis direction；The porous structure core is set to the interior of shell；
Multiple resigning roads, diagonal line point of the resigning road along the porous structure core for square of telling a story are provided on the porous structure core
Cloth, the composite fibre pipe are inserted into the resigning road and fix.
In a preferred embodiment, the porous structure core is specifically by honeycomb layer and three-dimensional lattice layer under upper
Successively it is arranged alternately；The transversal mask body of the honeycomb layer is mutually spliced to form by multiple regular polygon basic units.
In a preferred embodiment, the regular polygon basic unit is specifically by the contrary superposition of two equilateral triangles
The regular hexagon of formation；Splicing between the regular polygon basic unit is complete by the outer dead centre for splicing the regular hexagon
At.
In a preferred embodiment, four circular configurations pass through curve between any two and connect to form the equilateral triangle
Side length；It is superimposed in the opposite direction between described two equilateral triangles so that there are six circular configuration weights in every two equilateral triangle
It closes, forms a regular hexagon structure between six circular configurations of coincidence.
In a preferred embodiment, each circular configuration connects four round knots by four curves
Structure.
In a preferred embodiment, the three-dimensional lattice layer includes at least one layer of array of prisms stacking；The prism battle array
Column are arranged by multiple prism elements arrays to be formed.
In a preferred embodiment, the prism elements specifically cut off one piece of trigone by three sides of regular triangular prism
Cone obtains；The vertex of the triangular pyramid is in the same direction, and one end of the regular triangular prism remains with equilateral triangle bottom surface；The regular triangular prism
Three sides formed three triangular pyramid slots, three inclines of cell wall, that is, regular triangular prism of the triangular pyramid slot.
In a preferred embodiment, pass through the side length two of the bottom surface equilateral triangle of regular triangular prism between the prism elements
It overlaps between two and realizes splicing between the prism elements to form the array of prisms.
In a preferred embodiment, the surface of the shell is provided with defective hole, and the defective hole is along sine curve point
Cloth and it is distributed in the sinusoidal wave crest and trough.
In a preferred embodiment, the composite fibre pipe successively has glass layer, aramid fiber from inside to outside
Layer and carbon fiber layer；The glass layer, aramid fiber layer and the setting of carbon fiber layer concentric co-axial.
Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that
1, there is excellent energy absorption capacity, three-dimensional lattice structure arrives the fine and close stage by elastic deformation, plastic deformation, can be with smaller
Deformation quantity absorb a large amount of energy, greatly improve the energy absorption level of energy-absorption box.The folding that honeycomb layer passes through early period
The bending deformation of deformation and later period can not only make the present invention have sufficiently stable energy absorption capacity, moreover it is possible to provide effective buffering, protect
Protect the safety of driver and passenger.Honeycomb layer and three-dimensional lattice structure are alternately arranged, and are recycled energy-absorbing, are improved continuing for energy-absorbing
Property.
2, peak force is effectively reduced, ensures personal safety.The arcuate structure on pier shape square tube surface and oval defect thereon
Hole can play good inducing action, and internal dagger-axe common vetch shape helical form honeycomb replaces the straight line knot of legacy cellular wall with helix
Peak value destructive power can be effectively reduced in structure, protect personal safety.
3, bearing capacity is high, and stability is good, and three-dimensional lattice structure is connected by triangular prism body-centered structure cell using face face, has good
Good contact strength and structural stability.Internal cylindrical composite fibre pipe uses sandwich structure, can be good at integrating
The advantage of different materials fiber has excellent mechanical property, enhances average impact, greatly improves the load-carrying water of energy-absorption box
It is flat.Five composite fibre pipes are distributed by diagonal line, improve the bearing stability of energy-absorption box.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shell in the preferred embodiment of the present invention；
Fig. 2 is the structural schematic diagram of porous structure core in the preferred embodiment of the present invention；
Fig. 3 is the structural schematic diagram of regular polygon basic unit in the preferred embodiment of the present invention；
Fig. 4 is the structuring concept schematic diagram of honeycomb layer in the preferred embodiment of the present invention；
Fig. 5 is the concrete structure schematic diagram of honeycomb layer in the preferred embodiment of the present invention；Fig. 6 is that the present invention is preferably implemented
The structural schematic diagram of circular configuration in example；
Fig. 7 is the positional diagram in the preferred embodiment of the present invention between round knot and curve；
Fig. 8 is the structural schematic diagram of prism elements in the preferred embodiment of the present invention；
Fig. 9 is the schematic perspective view of array of prisms in the preferred embodiment of the present invention；
Figure 10 is the structure top view of array of prisms in the preferred embodiment of the present invention；
Figure 11 is the structural schematic diagram of composite fibre pipe in the preferred embodiment of the present invention；
Figure 12 is the structure partial enlarged diagram of composite fibre pipe in the preferred embodiment of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of vehicle energy absorption box of efficient anticollision, referring to figs. 1 to 12, including shell 1, porous structure core 2 and composite fibre
Pipe 3；The shell 1 and porous structure core 2 are six face cylinders；The upper bottom surface of the shell 1 and porous structure core 2 is just
Rectangular, four seamed edges of the shell 1 and porous structure core 2 are distributed along the central axis central symmetry of the shell 1, and the rib
Side is towards the curved curve of the central axis direction；The arcuate structure on pier shape square tube surface and 11 energy of oval defective hole thereon
Play good inducing action.The porous structure core 2 is set to inside the shell 1；It is provided on the porous structure core 2
Multiple resigning roads 23, diagonal line distribution of the resigning road 23 along the porous structure core 2 for square of telling a story, the composite fibre pipe
The 3 insertion resigning roads 23 are fixed.The porous structure core 2 is specifically by the spiral helicine honeycomb layer 21 of dagger-axe common vetch shape and three-dimensional point
Battle array layer 22 is successively arranged alternately under upper；The transversal mask body of the honeycomb layer 21 is by multiple regular polygon basic units
211 are mutually spliced to form.
Specifically, the regular polygon basic unit 211 is specifically formed by the contrary superposition of two equilateral triangles
Regular hexagon；Splicing between the regular polygon basic unit 211 is completed by splicing the outer dead centre of the regular hexagon.Into
One step replaces the side length of the regular hexagon by the arrangement of circular configuration 2111, with specific reference to Fig. 4, until 5, four circles
Structure 2111 connects the side length for forming the equilateral triangle by curve 2112 between any two；Side between described two equilateral triangles
To superposition on the contrary so that there are six circular configurations 2111 to be overlapped in every two equilateral triangle, six circular configurations 2111 of coincidence
Between formed a regular hexagon structure.As shown in FIG. 5 and 6, each circular configuration 2111 passes through four curves
Connect four circular configurations 2111.Specifically, with reference to Fig. 7, two adjacent circular configurations are respectively placed in a great circle 2113
Among, and the radius of the circular configuration is the half of 2113 radius of great circle, two tangent settings of great circle 2113, two circles
The left side and right side of shape structure difference inscribe and the great circle 2113；The curve is divided by the Origin And Destination of a great circle 2113
Not Wei two circular configurations and two great circles 2113 point of contact, formed along two point of contacts of circumferential connection of two great circles 2113 described
Curve 2112.
Specifically, the three-dimensional lattice layer 22 includes at least one layer of array of prisms stacking；The array of prisms is by multiple
221 array of prism elements arranges to be formed.The prism elements 221 specifically cut off one piece of trigone by three sides of regular triangular prism
Cone obtains；The vertex of the triangular pyramid is in the same direction, and one end of the regular triangular prism remains with equilateral triangle bottom surface；The regular triangular prism
Three sides formed three triangular pyramid slots, three inclines of cell wall, that is, regular triangular prism of the triangular pyramid slot.The rib
It is overlapped between any two between pole unit 221 by the side length of the bottom surface equilateral triangle of regular triangular prism and realizes the prism elements
Splicing between 221 is to form the array of prisms.Three-dimensional lattice structure passes through elastic deformation, plastic deformation to fine and close rank
Section can absorb a large amount of energy with lesser deformation quantity, greatly improve the energy absorption level of energy-absorption box.Honeycomb layer 21 is logical
The folded deformation of early period and the bending deformation in later period are crossed, can not only make the present invention that there is sufficiently stable energy absorption capacity, moreover it is possible to provide
Effective buffering, protects the safety of driver and passenger.The spiral helicine honeycomb layer 21 of this dagger-axe common vetch shape and three-dimensional lattice knot
Structure is alternately arranged, and recycles energy-absorbing, improves the duration of energy-absorbing, and internal dagger-axe common vetch shape helical form honeycomb replaces tradition with helix
Peak value destructive power can be effectively reduced in the linear structure of honeycomb wall, protect personal safety.Three-dimensional lattice structure is by triangular prism body-centered crystalline substance
Born of the same parents are connected using face face, have good contact strength and structural stability.Internal cylindrical composite fibre pipe 3 uses Sanming City
Structure is controlled, can be good at the advantage of comprehensive different materials fiber, there is excellent mechanical property, enhance average impact, greatly
The load level of width raising energy-absorption box.Five composite fibre pipes 3 are distributed by diagonal line, improve the bearing stability of energy-absorption box.
Specifically, the surface of the shell is provided with defective hole 11, the defective hole 11 be distributed along sine curve 12 and
It is distributed in the wave crest and trough of the sine curve 12.The horizontal axis of the sine curve 12 is parallel with the central axis of the shell 1.
The composite fibre pipe 3 successively has glass layer 31, aramid fiber layer 32 and carbon fiber layer 33 from inside to outside；The glass
Fibrous layer 31, aramid fiber layer 32 and the setting of 33 concentric co-axial of carbon fiber layer
The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited to this,
Anyone skilled in the art in the technical scope disclosed by the present invention, using this design carries out the present invention non-
Substantive change belongs to the behavior for invading the scope of the present invention.
Claims (10)
1. a kind of vehicle energy absorption box of efficient anticollision, it is characterised in that including shell, porous structure core and composite fibre pipe；It is described
Shell and porous structure core are six face cylinders；The upper bottom surface of the shell and porous structure core is square, described outer
Four seamed edges of shell and porous structure core are distributed along the central axis central symmetry of the shell, and the seamed edge is towards in described
The curved curve in mandrel direction；The porous structure core is set to the interior of shell；It is provided on the porous structure core more
A resigning road, diagonal line distribution of the resigning road along the porous structure core for square of telling a story, composite fibre pipe insertion institute
Resigning road is stated to fix.
2. the vehicle energy absorption box of efficient anticollision according to claim 1, which is characterized in that the porous structure core specifically by
Honeycomb layer and three-dimensional lattice layer are successively arranged alternately under upper；The transversal mask body of the honeycomb layer by it is multiple just
Polygon basic unit is mutually spliced to form.
3. the vehicle energy absorption box of efficient anticollision according to claim 2, which is characterized in that the regular polygon basic unit
Specifically the regular hexagon formed is superimposed by two equilateral triangles are contrary；Splicing between the regular polygon basic unit is logical
Cross the outer dead centre completion for splicing the regular hexagon.
4. the vehicle energy absorption box of efficient anticollision according to claim 3, which is characterized in that four circular configurations are between any two
The side length to form the equilateral triangle is connected by curve；It is superimposed in the opposite direction so that every two between described two equilateral triangles
There are six circular configurations to be overlapped in a equilateral triangle, forms a regular hexagon structure between six circular configurations of coincidence.
5. the vehicle energy absorption box of efficient anticollision according to claim 4, which is characterized in that each round knot
Structure connects four circular configurations by four curves.
6. the vehicle energy absorption box of efficient anticollision according to claim 2, which is characterized in that the three-dimensional lattice layer includes extremely
Few one layer of array of prisms stacking；The array of prisms is arranged by multiple prism elements arrays and is formed.
7. the vehicle energy absorption box of efficient anticollision according to claim 6, which is characterized in that the prism elements are specifically by just
Three sides of triangular prism cut off one piece of triangular pyramid and obtain；The vertex of the triangular pyramid is in the same direction, one end of the regular triangular prism
Remain with equilateral triangle bottom surface；Three sides of the regular triangular prism form three triangular pyramid slots, the cell wall of the triangular pyramid slot
Three inclines of the i.e. described regular triangular prism.
8. the vehicle energy absorption box of efficient anticollision according to claim 7, which is characterized in that pass through between the prism elements
The side length of the bottom surface equilateral triangle of regular triangular prism overlaps between any two realizes splicing between the prism elements to shape
At the array of prisms.
9. the vehicle energy absorption box of efficient anticollision according to claim 1, which is characterized in that the surface of the shell is provided with
Defective hole, the defective hole are distributed along sine curve and are distributed in the sinusoidal wave crest and trough.
10. the vehicle energy absorption box of efficient anticollision according to claim 1, which is characterized in that the composite fibre pipe is from interior
To outside successively with glass layer, aramid fiber layer and carbon fiber layer；The glass layer, aramid fiber layer and carbon fiber
Layer concentric co-axial setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926194.0A CN110509877B (en) | 2019-09-27 | 2019-09-27 | High-efficient crashproof car energy-absorbing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926194.0A CN110509877B (en) | 2019-09-27 | 2019-09-27 | High-efficient crashproof car energy-absorbing box |
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| Publication Number | Publication Date |
|---|---|
| CN110509877A true CN110509877A (en) | 2019-11-29 |
| CN110509877B CN110509877B (en) | 2024-02-27 |
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| CN201910926194.0A Active CN110509877B (en) | 2019-09-27 | 2019-09-27 | High-efficient crashproof car energy-absorbing box |
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Cited By (2)
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| CN114880791A (en) * | 2022-04-13 | 2022-08-09 | 汕头大学 | Chiral multi-cell structural unit, assembly and intelligent construction method |
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| Publication number | Publication date |
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| CN110509877B (en) | 2024-02-27 |
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