CN203876693U - Energy-absorbing pipe of ox-horn-like structure - Google Patents
Energy-absorbing pipe of ox-horn-like structure Download PDFInfo
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- CN203876693U CN203876693U CN201420237964.3U CN201420237964U CN203876693U CN 203876693 U CN203876693 U CN 203876693U CN 201420237964 U CN201420237964 U CN 201420237964U CN 203876693 U CN203876693 U CN 203876693U
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- pipe
- horn
- circular pipe
- internal layer
- honeycomb structure
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Abstract
The utility model discloses an energy-absorbing pipe of an ox-horn-like structure. The pipe comprises an outer-layer circular pipe, reinforcing ribs, an inner-layer circular pipe, foam aluminum and a honeycomb structure circular pipe. The outer-layer circular pipe and the inner-layer circular pipe are connected through the reinforcing ribs to form a bionic shell, and the bionic shell is formed by simulating a layered stacking structure of an ox horn shell; the honeycomb structure circular pipe is located in the center of the inner-layer circular pipe, the position between the honeycomb structure circular pipe and the inner-layer circular pipe is filled with the foam aluminum, the foam aluminum is attached to the honeycomb structure circular pipe to form a bionic core, the bionic core simulates the porous structure of an internal bone core of an ox horn, and the periphery of the foam aluminum is attached to the inner-layer circular pipe. The inside of the thin-wall pipe is filled with the composite structure of the foam aluminum and the honeycomb structure circular pipe, so that bearing capacity and energy absorbing performance of an energy absorbing device are greatly improved during collisions.
Description
Technical field
The utility model belongs to auto body crashworthiness structure design field, relates to a kind of bionical power-absorbing with ox horn architectural feature, and this element is mainly used in the impact kinetic energy dissipative system of the vehicle such as automobile, steamer.
Background technology
Continuous lifting along with automobile popularity rate, road traffic accident has not only caused serious personal casualty and economic loss, and brought huge moral injury to people, therefore, design the hot issue that a kind of power-absorbing with good Impact Resisting Capability has become automobile research and development.Thin metallic tubd, as a kind of low cost, performance-oriented power-absorbing, is widely used in automobile, and boats and ships, in the kinetic energy dissipation system of the vehicle such as aerospace.The impact energy that thin-walled tube produces when can rely on the collapse modes such as the flexing, fracture of self structure to absorb under extraneous load and dissipating a large amount of collision, thus the safety of passenger life and treasure effectively protected.When collision occurs, the energy absorption characteristics of thin-walled tube to a great extent shadow is determining that the energy of vehicle collision resistant is fine or not.Thereby the thin-walled power-absorbing of designing a kind of efficient and light weight and having good Impact Resisting Capability, for ensureing people's security of the lives and property, is saved the energy, promotes the aspects such as environmental protection to have great practical significance.
Utility model content
The utility model object is for the deficiencies in the prior art part, and a kind of imitative ox horn structure energy absorbing tube is provided, and the utility model energy actv. improves the safety of vehicle collision.
The main biological function of ox horn is that ox protects health not to be subject to the destruction of external environment in attack and defense process; a complete ox horn can bear the external load of about 7.6KN; therefore, ox horn is a kind of biologicals with excellent mechanical performances that occurring in nature exists.Ox horn is the homologous organs of skin, mainly by cutin shell, interior bone core forms with soft tissue layer three parts that are connected both, cutin shell is formed by numerous keratoprotein thin slice stacking, when being subject to extraneous load, this stratiform stacking provisions can make crackle along different directions, expand to resist the destruction of extraneous load, thereby has improved the compressive property of material.This stratiform stacking provisions of ox horn has increased substantially the mechanical property of ox horn.Interior bone core is a kind of light porous material, there is density little, specific surface area is large, shock resistance advantages of higher, bone core and obtected coupled structure contribute to the raising of ox horn Impact Resisting Capability, and this inner interstitital texture of ox horn and good mechanical property have important inspiration meaning to the bionical research of thin-walled tube.Thin-walled energy absorbing tube can be crossed and rely on the collapse modes such as flexing, damage, fracture of self to absorb collision energy, thereby avoids integrally-built destruction.Equally, ox can absorb by ox horn the object that energy reaches self-protection in collision process.
Therefore ox horn has very large similarity with thin-walled tube on 26S Proteasome Structure and Function, thereby chooses ox horn as the biological prototype of thin-walled tube Bionic Optimum Design.
The utility model adopts following technical scheme.
The utility model combines bionics with Structural Crashworthiness theory, pass through similarity analysis, choose ox horn as the biological prototype of thin-walled tube Bionic Optimum Design, extract the structural characteristic parameter that determines ox horn mechanical property, and be applied in the design of thin-walled tube, thereby design a kind of bionical energy absorbing tube with good Impact Resisting Capability.
The structural characteristic parameter of the decision ox horn mechanical property that extracts is: ox horn is mainly comprised of cutin shell and interior bone core two parts, is a kind of inner tubular portion interstitital texture.Cutin shell forms you by tabular cell's stacking of numerous necrosis, and obtected hardness presents the gradient distribution increasing successively from inside to outside.The advantages such as ox horn interior bone core is a kind of light porous material, has density little, and specific surface area is large.
The utility model is a kind of tubulose endergonic structure of porous material filling, the utility model is filled tubulose structure design according to the inside of ox horn and is formed, the utility model is comprised of outer pipe, reinforced rib, internal layer pipe, foamed aluminium and honeycomb structure pipe, outer pipe and internal layer pipe are linked together and are formed bionical shell by a plurality of reinforced ribs, and bionical shell is to design by simulating the stratiform stacking provisions of ox horn shell; Honeycomb structure pipe is positioned at the center of internal layer pipe, filled and process aluminium between honeycomb structure pipe and internal layer pipe, foamed aluminium and honeycomb structure pipe are pasted together and form bionical core body, bionical core body has been simulated the open texture of ox horn interior bone core, and the periphery of foamed aluminium and internal layer pipe are pasted together.
Described a plurality of reinforced rib is evenly distributed between internal layer pipe and outer pipe.
Described outer pipe and internal layer pipe adopt the metallic material of different hardness, and the outer pipe of the described bionical shell of formation and internal layer pipe present gradient and distribute in hardness, thereby the simulation ox horn shell gradient that hardness increases successively from inside to outside distributes.
The material that described outer pipe adopts is steel, its yield strength 0.27, density 7.85 * 10
-6kgmm
-3, modulus of elasticity 210GPa, Poisson's ratio 0.3.
The material of described internal layer pipe, reinforced rib and honeycomb structure pipe all adopts 6A02 aluminum alloy, its yield strength 0.25GPa, density 2.7 * 10
-6kgmm
-3, modulus of elasticity 70GPa, Poisson's ratio 0.31.
Described internal layer core body is foamed aluminium, is annular arrangement foamed aluminium material, its density 0.37 * 10
-6kgmm
-3, modulus of elasticity 1.2GPa, Poisson's ratio 0.3.
The beneficial effects of the utility model:
The utility model is simple in structure, with low cost and applicable mass automatic production.
The composite structure of foamed aluminium and honeycomb structure pipe is filled in to thin-walled tube inside, in collision process, the combined action of foamed aluminium and honeycomb structure has improved the strength and stiffness of bionical pipe, make the suffered impact load of bionical pipe be uniformly distributed on the cross-sectional plane of bionical pipe simultaneously, make the distortion of bionical pipe relatively stable, fold quantity is more, has significantly improved load-carrying capacity and the energy absorption characteristics of energy absorption device.
Accompanying drawing explanation
Fig. 1 is the utility model schematic perspective view.
Fig. 2 is the utility model end view.
Fig. 3 is bionical containment structure schematic diagram of the present utility model.
Fig. 4 is the bionical core body view of the utility model.
The specific embodiment
Refer to shown in Fig. 1 and Fig. 2, the utility model is a kind of tubulose endergonic structure of porous material filling, the utility model is filled tubulose structure design according to the inside of ox horn and is formed, the utility model is comprised of outer pipe 1, reinforced rib 2, internal layer pipe 3, foamed aluminium 4 and honeycomb structure pipe 5, outer pipe 1 and internal layer pipe 3 are linked together and are formed bionical shell by a plurality of reinforced ribs 2, and bionical shell is to design by simulating the stratiform stacking provisions of ox horn shell; Honeycomb structure pipe 5 is positioned at the center of internal layer pipe 3, filled and process aluminium 4 between honeycomb structure pipe 5 and internal layer pipe 3, foamed aluminium 4 is pasted together and forms bionical core body with honeycomb structure pipe 5, bionical core body has been simulated the open texture of ox horn interior bone core, and the periphery of foamed aluminium 4 and internal layer pipe 3 are pasted together.
A plurality of reinforced ribs 2 are evenly distributed between internal layer pipe 3 and outer pipe 1.
As shown in Figure 3, outer pipe 1 and internal layer pipe 3 adopt the metallic material of different hardness, the outer pipe 1 of the described bionical shell of formation and internal layer pipe 3 present gradient and distribute in hardness, thereby the simulation ox horn shell gradient that hardness increases successively from inside to outside distributes.
The material that outer pipe 1 adopts is steel, its yield strength 0.27, density 7.85 * 10
-6kgmm
-3, modulus of elasticity 210GPa, Poisson's ratio 0.3.
The material of internal layer pipe 3, reinforced rib 2 and honeycomb structure pipe 5 all adopts 6A02 aluminum alloy, its yield strength 0.25GPa, density 2.7 * 10
-6kgmm
-3, modulus of elasticity 70GPa, Poisson's ratio 0.31.
Internal layer core body is foamed aluminium 4, is annular arrangement foamed aluminium material, its density 0.37 * 10
-6kgmm
-3, modulus of elasticity 1.2GPa, Poisson's ratio 0.3.
Claims (3)
1. an imitative ox horn structure energy absorbing tube, it is characterized in that: outer pipe (1), reinforced rib (2), internal layer pipe (3), foamed aluminium (4) and honeycomb structure pipe (5), consist of, outer pipe (1) and internal layer pipe (3) are linked together and formed bionical shell by a plurality of reinforced ribs (2); Honeycomb structure pipe (5) is positioned at the center of internal layer pipe (3), filled and process aluminium (4) between honeycomb structure pipe (5) and internal layer pipe (3), foamed aluminium (4) is pasted together and forms bionical core body with honeycomb structure pipe (5), and the periphery of foamed aluminium (4) and internal layer pipe (3) are pasted together.
2. a kind of imitative ox horn structure energy absorbing tube according to claim 1, it is characterized in that: described outer pipe (1) and internal layer pipe (3) present gradient and distribute in hardness, the material of outer pipe (1) is steel, and the material of internal layer pipe (3) is aluminum alloy.
3. a kind of imitative ox horn structure energy absorbing tube according to claim 1, is characterized in that: described a plurality of reinforced ribs (2) are evenly distributed between internal layer pipe (3) and outer pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237964.3U CN203876693U (en) | 2014-05-10 | 2014-05-10 | Energy-absorbing pipe of ox-horn-like structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237964.3U CN203876693U (en) | 2014-05-10 | 2014-05-10 | Energy-absorbing pipe of ox-horn-like structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203876693U true CN203876693U (en) | 2014-10-15 |
Family
ID=51677224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420237964.3U Expired - Fee Related CN203876693U (en) | 2014-05-10 | 2014-05-10 | Energy-absorbing pipe of ox-horn-like structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203876693U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386011A (en) * | 2014-12-19 | 2015-03-04 | 中国汽车工程研究院股份有限公司 | Compound type crash box with high impact energy-absorption performance |
| CN105691339A (en) * | 2016-04-01 | 2016-06-22 | 吉林大学 | Heavy automobile biomimetic rear bumper |
| CN106828600A (en) * | 2017-02-21 | 2017-06-13 | 汽-大众汽车有限公司 | A kind of bionical shock resistance lightweight structure |
| CN107097741A (en) * | 2017-05-31 | 2017-08-29 | 华侨大学 | Graded composite collision energy-absorbing pipe fitting |
| CN107139874A (en) * | 2017-06-02 | 2017-09-08 | 华侨大学 | Crash energy absorption equipment with negative poisson's ratio characteristic |
| CN107187501A (en) * | 2017-05-12 | 2017-09-22 | 南京理工大学 | Negative poisson's ratio automobile energy-absorbing device |
| CN107415654A (en) * | 2017-04-28 | 2017-12-01 | 南京航空航天大学 | Imitative ox horn vehicle door anti-collision joist and its optimization method based on negative poisson's ratio structure |
| CN108819889A (en) * | 2018-07-05 | 2018-11-16 | 颜涛 | A kind of hexagon energy absorption device connecting automobile buffer beam and longitudinal beam |
| CN109094494A (en) * | 2018-08-31 | 2018-12-28 | 苏州清吉汽车科技有限公司 | A kind of imitative yak corner structure thin-wall conical energy-absorption box |
| CN110405217A (en) * | 2018-04-28 | 2019-11-05 | 深圳先进技术研究院 | The porous energy-absorbing material of functionally gradient and its manufacturing method |
| CN111186459A (en) * | 2020-01-23 | 2020-05-22 | 哈尔滨工业大学 | Combined energy absorption structure |
| CN115009363A (en) * | 2022-06-24 | 2022-09-06 | 厦门金龙联合汽车工业有限公司 | Frame, slide formula chassis and electric automobile |
| CN116212106A (en) * | 2023-03-14 | 2023-06-06 | 四川大学 | 3D prints imitative bone structure calcium phosphate ceramic porous prosthesis |
-
2014
- 2014-05-10 CN CN201420237964.3U patent/CN203876693U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386011A (en) * | 2014-12-19 | 2015-03-04 | 中国汽车工程研究院股份有限公司 | Compound type crash box with high impact energy-absorption performance |
| CN105691339A (en) * | 2016-04-01 | 2016-06-22 | 吉林大学 | Heavy automobile biomimetic rear bumper |
| CN105691339B (en) * | 2016-04-01 | 2018-06-26 | 吉林大学 | Heavy-duty car bionic rear bumper |
| CN106828600A (en) * | 2017-02-21 | 2017-06-13 | 汽-大众汽车有限公司 | A kind of bionical shock resistance lightweight structure |
| CN107415654A (en) * | 2017-04-28 | 2017-12-01 | 南京航空航天大学 | Imitative ox horn vehicle door anti-collision joist and its optimization method based on negative poisson's ratio structure |
| CN107187501A (en) * | 2017-05-12 | 2017-09-22 | 南京理工大学 | Negative poisson's ratio automobile energy-absorbing device |
| CN107097741A (en) * | 2017-05-31 | 2017-08-29 | 华侨大学 | Graded composite collision energy-absorbing pipe fitting |
| CN107097741B (en) * | 2017-05-31 | 2023-08-29 | 华侨大学 | Gradient composite collision energy-absorbing pipe fitting |
| CN107139874B (en) * | 2017-06-02 | 2023-06-20 | 华侨大学 | Buffering energy-absorbing device with negative poisson ratio characteristic |
| CN107139874A (en) * | 2017-06-02 | 2017-09-08 | 华侨大学 | Crash energy absorption equipment with negative poisson's ratio characteristic |
| CN110405217A (en) * | 2018-04-28 | 2019-11-05 | 深圳先进技术研究院 | The porous energy-absorbing material of functionally gradient and its manufacturing method |
| CN108819889A (en) * | 2018-07-05 | 2018-11-16 | 颜涛 | A kind of hexagon energy absorption device connecting automobile buffer beam and longitudinal beam |
| CN109094494A (en) * | 2018-08-31 | 2018-12-28 | 苏州清吉汽车科技有限公司 | A kind of imitative yak corner structure thin-wall conical energy-absorption box |
| CN111186459B (en) * | 2020-01-23 | 2021-01-29 | 哈尔滨工业大学 | Combined energy absorption structure |
| CN111186459A (en) * | 2020-01-23 | 2020-05-22 | 哈尔滨工业大学 | Combined energy absorption structure |
| CN115009363A (en) * | 2022-06-24 | 2022-09-06 | 厦门金龙联合汽车工业有限公司 | Frame, slide formula chassis and electric automobile |
| CN115009363B (en) * | 2022-06-24 | 2023-10-13 | 厦门金龙联合汽车工业有限公司 | Frame, slide chassis and electric automobile |
| CN116212106A (en) * | 2023-03-14 | 2023-06-06 | 四川大学 | 3D prints imitative bone structure calcium phosphate ceramic porous prosthesis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20160510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |