CN109624900A - A kind of car crass energy-absorption box - Google Patents
A kind of car crass energy-absorption box Download PDFInfo
- Publication number
- CN109624900A CN109624900A CN201811534231.5A CN201811534231A CN109624900A CN 109624900 A CN109624900 A CN 109624900A CN 201811534231 A CN201811534231 A CN 201811534231A CN 109624900 A CN109624900 A CN 109624900A
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- China
- Prior art keywords
- energy
- inner tube
- rotary table
- composite shell
- table inner
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention provides a kind of car crass energy-absorption boxes, comprising: upper flange plate, composite shell, inside stuffing, rotary table inner tube and lower flange；The top of the composite shell is rectangular box, each side of rectangular box is diagonally all provided with there are five defective hole；The lower part of the composite shell is stage body bellows, and incline is sinusoidal ripple struction；The rotary table inner tube is arranged in composite shell, and the inside stuffing is filled between rotary table inner tube and the inner wall of composite shell；Wherein, the filler between rectangular box and rotary table inner tube is honeycomb, and the filler between stage body bellows and rotary table inner tube is lattice structure.Above-mentioned vehicle energy absorption box, energy-absorbing stability is high, and energy-absorbing effect is good.
Description
Technical field
The present invention is a kind of novel car crass energy-absorbing box device, belongs to vehicle passive safety protection field.
Background technique
With the continuous development of automobile industry, automobile has become the indispensable walking-replacing tool of people's daily trip, but
Also increasing just because of automobile quantity causes huge people's wealth to lose so that traffic accident takes place frequently.Therefore automotive safety has become
For our very important major issues.Vehicle energy absorption box is mounted in a kind of dress of energy-absorbing between vehicle beam and longitudinal beam
It sets, needs to deform after hitting generation by itself crumple, absorb Impact energy, peak stress is reduced, to protect automobile
Stringer or even cockpit are not damaged, reduce auto repair expense and improve the safety of automobile.
Traditional energy-absorption box since its energy-absorbing is insufficient or the unstable requirement for being no longer satisfied current vehicle safety of energy-absorbing,
Therefore design it is a efficiently, stable porous structure vehicle energy absorption box is of great practical significance and practical value.
Summary of the invention
The main technical problem to be solved by the present invention is to provide a kind of vehicle energy absorption boxes, and energy-absorbing stability is high, energy-absorbing effect
Fruit is good.
To solve the above-mentioned problems, the invention patent provides a kind of car crass energy-absorption box, comprising: upper flange plate, it is multiple
Close shell, inside stuffing, rotary table inner tube and lower flange；
The top of the composite shell is rectangular box, each side of rectangular box is diagonally all provided with there are five defect
Hole；The lower part of the composite shell is stage body bellows, and incline is sinusoidal ripple struction；
The rotary table inner tube is arranged in composite shell, and the inside stuffing is filled in rotary table inner tube and composite shell
Between inner wall；Wherein, the filler between rectangular box and rotary table inner tube is honeycomb, between stage body bellows and rotary table inner tube
Filler be lattice structure.
In a preferred embodiment: the honeycomb is using hexagon as angle unit, with quadrangle, hexagon, four sides
Shape is alternately arranged as side unit.
In a preferred embodiment: the lattice structure is made of unit cell space array, and the unit cell space is by triangular prism
Center unit is made up of rotation array；Triangular prism center unit structure in such a way that the reservation of each face of triangular prism is cornerwise
At.
In a preferred embodiment: the composite shell is upper carbon fiber layer, intermediate aluminum fiber layer, lower carbon fiber layer composition
Sandwich structure；The upper carbon fiber layer, intermediate aluminum fiber layer, the carbon fiber in lower carbon fiber layer sequentially form 30 ° of folder
Angle.
In a preferred embodiment: the defective hole is oval defective hole.
Compared to the prior art, the beneficial effects of the present invention are:
1. effective energy-absorbing stablizes energy-absorbing, step by step energy-absorbing.
Car crass energy-absorption box provided by the invention, the filler between rectangular box and rotary table inner tube is used to be made by hexagon
For angle unit, with quadrangle, hexagon, the honeycomb of quadrangle being alternately arranged as side unit, stage body bellows and circle
Filler between platform inner tube is used using trigone body-centered cell space as the lattice structure of unit；In collision process, upper box honeycomb is filled out
Object is filled by Folding Deformation, is absorbed portion of energy, is level-one energy-absorbing, lower box lattice structure filler passes through the elastic shape of itself
Become, it is second level energy-absorbing that yield deformation and compaction process, which significantly improve energy-absorbing effect, and such design may be implemented to inhale step by step
The effect of energy.It, can be while improving total energy absorption especially when high velocity impact occurs, the stabilization of effective guarantee energy-absorbing
Property, occupant safety in service truck.
2. providing good buffering, peak value impact force, support personnel's safety is effectively reduced.
Car crass energy-absorption box provided by the invention, the complex structure of filament constituted using carbon fiber and aluminum fiber is as shell
Honeycomb design inside body material, with upper box has comfort cushioning effect, is secondly provided with ellipse on the box face of upper box
Peak stress, such design combination, to guarantee can be effectively reduced with the ripple struction of lower box in defective hole in collision process
The safety of pedestrian and passenger are highly beneficial.
3. adapting to Multi-angle impact.
Car crass energy-absorption box provided by the invention, shell arrange complex fiber material using different angle, not only can be with
The mechanical advantage of carbon aluminum material is played, and the mechanical property of different directions can be enhanced, secondly, box and inside under the energy-absorption box
Rotary table pipe all has certain taper, cooperates the lattice structure filler of internal face contact that can be effective against angled impact
Under mechanics unstable phenomenon generate.In addition, the honeycomb filling design of upper box also has preferably relative to traditional honeycomb
Stability.
Detailed description of the invention
Fig. 1 is the perspective view of the explosion of car crass energy-absorption box in the preferred embodiment of the present invention；
Fig. 2 is the schematic diagram of car crass energy-absorption box in the preferred embodiment of the present invention.
Fig. 3 is composite shell schematic diagram in the preferred embodiment of the present invention；
Fig. 4 be the preferred embodiment of the present invention in it is compound it is outer in carbon fiber arrangement mode schematic diagram；
Fig. 5 is the schematic diagram of filler in the preferred embodiment of the present invention；
Fig. 6 is the schematic cross-section of honeycomb in the preferred embodiment of the present invention；
Fig. 7 is the acquisition pattern schematic diagram of lattice structure in the preferred embodiment of the present invention；
Fig. 8 is dot matrix structural schematic diagram in the preferred embodiment of the present invention；
Specific embodiment
Invention is described in detail with reference to the accompanying drawings and embodiments.It should be noted that: following embodiment is only used for
Illustrate the present invention, not limit the technical scheme described by the invention, all do not depart from the technical solution and its improvement of this range
It should all include in the scope of the claims of the present invention.
The present invention is to overcome the energy-absorbing effect of traditional energy-absorption box insufficient, and energy-absorbing stability is poor and can not multi-angle energy-absorbing
The problems such as the vehicle energy absorption box a novel, energy-absorbing stability is high and energy-absorbing effect is good is provided.
The overall structure of the car crass energy-absorption box is as depicted in figs. 1 and 2, including upper flange plate 101, composite shell
102, inside stuffing 103, rotary table inner tube 104 and lower flange 105.
The composite shell 102 is arranged between upper flange plate 101 and lower flange 105, and connection fixed thereto respectively；
Rotary table inner tube 104 is placed in composite shell 102, and is coaxially disposed with composite shell 102；The inside stuffing 103 is filled
Between rotary table inner tube 104 and the inner wall of composite shell 102.
With further reference to Fig. 3, the top of the composite shell 102 is rectangular box 201, each side of rectangular box 201
Oval defective hole 203 there are five diagonally setting；The lower part of composite shell 102 is stage body bellows 202, stage body bellows
202 incline is sinusoidal ripple struction 204, and peak value impact force can be effectively reduced.
The case material of composite shell 102 is as shown in figure 4, using upper carbon fiber layer 301, intermediate aluminum fiber layer 302, lower carbon
The sandwich structure of fibrous layer 303, wherein the arrangement of fibrous layer is as shown in figure 4, upper carbon fiber layer 301, intermediate aluminum fiber
Layer 302 is respectively formed 30 ° of angles between the carbon fiber of lower carbon fiber layer 303, that is to say, that upper carbon fiber layer 301, intermediate aluminium are fine
Layer 302 is tieed up, the carbon fiber of lower carbon fiber layer 303 from top to bottom successively turns over 30 °.
Filler 103 between composite shell 102 and rotary table inner tube 104 is as shown in figure 5, wherein square shell 201 and circle
Filler between platform inner tube 102 is honeycomb 401, and the filler between stage body bellows 202 and rotary table inner tube is dot matrix
Structure 402.
The section 501 of honeycomb 401 is as shown in fig. 6, using hexagon as angle unit, with quadrangle, hexagon, four sides
Shape is alternately arranged as side unit.
Lattice structure 402 as shown in figure 8, its acquisition pattern as shown in fig. 7, being retained by each face of triangular prism 601 diagonal
The mode of line constitutes triangular prism center unit 602, passes through rotation array Component units cell space 603.Unit cell space 603 passes through array
Lattice structure 402 is formed after arrangement.
The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art can
To readily appreciate that variation disclosed in this invention or technical scope.Alternative solution is intended to cover within the scope of the invention.Cause
This, protection scope of the present invention should be determined by the scope of the claims.
Claims (5)
1. a kind of car crass energy-absorption box, characterized by comprising: upper flange plate, composite shell, inside stuffing, rotary table inner tube
And lower flange；
The top of the composite shell is rectangular box, each side of rectangular box is diagonally all provided with there are five defective hole；Institute
The lower part for stating composite shell is stage body bellows, and incline is sinusoidal ripple struction；
The rotary table inner tube is arranged in composite shell, and the inside stuffing is filled in the inner wall of rotary table inner tube and composite shell
Between；Wherein, the filler between rectangular box and rotary table inner tube is honeycomb, filling out between stage body bellows and rotary table inner tube
Filling object is lattice structure.
2. a kind of car crass energy-absorption box according to claim 1, it is characterised in that: the honeycomb is made with hexagon
For angle unit, with quadrangle, hexagon, quadrangle is alternately arranged as side unit.
3. a kind of car crass energy-absorption box according to claim 1, it is characterised in that: the lattice structure is by unit cell space
Array is constituted, and the unit cell space is made up of triangular prism center unit rotation array；The triangular prism center unit is with three
Each face of prism retains cornerwise mode and constitutes.
4. a kind of car crass energy-absorption box according to claim 1, it is characterised in that: the composite shell is upper carbon fiber
Layer, intermediate aluminum fiber layer, the sandwich structure of lower carbon fiber layer composition；The upper carbon fiber layer, intermediate aluminum fiber layer, lower carbon fiber
Carbon fiber in dimension layer sequentially forms 30 ° of angle.
5. a kind of car crass energy-absorption box according to claim 1, it is characterised in that: the defective hole is oval defect
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534231.5A CN109624900B (en) | 2018-12-14 | 2018-12-14 | Automobile collision energy absorption box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811534231.5A CN109624900B (en) | 2018-12-14 | 2018-12-14 | Automobile collision energy absorption box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109624900A true CN109624900A (en) | 2019-04-16 |
| CN109624900B CN109624900B (en) | 2021-10-01 |
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ID=66074123
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811534231.5A Active CN109624900B (en) | 2018-12-14 | 2018-12-14 | Automobile collision energy absorption box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109624900B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015255A (en) * | 2019-04-28 | 2019-07-16 | 上海理工大学 | A kind of energy-absorption box and bumper of star-like Cellular structure |
| CN110509877A (en) * | 2019-09-27 | 2019-11-29 | 华侨大学 | The vehicle energy absorption box of efficient anticollision |
| CN110576644A (en) * | 2019-09-24 | 2019-12-17 | 华侨大学 | sandwich composite board |
| CN111660977A (en) * | 2020-06-30 | 2020-09-15 | 华侨大学 | Energy absorption box |
| CN116398567A (en) * | 2023-03-27 | 2023-07-07 | 江苏科技大学 | Corrugated thin-wall three-layer buffering energy-absorbing structure and manufacturing method thereof |
| CN111660977B (en) * | 2020-06-30 | 2024-06-07 | 华侨大学 | Energy-absorbing box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015255A (en) * | 2019-04-28 | 2019-07-16 | 上海理工大学 | A kind of energy-absorption box and bumper of star-like Cellular structure |
| CN110576644A (en) * | 2019-09-24 | 2019-12-17 | 华侨大学 | sandwich composite board |
| CN110576644B (en) * | 2019-09-24 | 2023-12-29 | 华侨大学 | Sandwich composite board |
| CN110509877A (en) * | 2019-09-27 | 2019-11-29 | 华侨大学 | The vehicle energy absorption box of efficient anticollision |
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| CN111660977A (en) * | 2020-06-30 | 2020-09-15 | 华侨大学 | Energy absorption box |
| CN111660977B (en) * | 2020-06-30 | 2024-06-07 | 华侨大学 | Energy-absorbing box |
| CN116398567A (en) * | 2023-03-27 | 2023-07-07 | 江苏科技大学 | Corrugated thin-wall three-layer buffering energy-absorbing structure and manufacturing method thereof |
| CN116398567B (en) * | 2023-03-27 | 2023-09-22 | 江苏科技大学 | Corrugated thin-wall three-layer buffering energy-absorbing structure and manufacturing method thereof |
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| CN109624900B (en) | 2021-10-01 |
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