CN109591738A - A kind of automobile collision preventing structural assembly - Google Patents
A kind of automobile collision preventing structural assembly Download PDFInfo
- Publication number
- CN109591738A CN109591738A CN201811359485.8A CN201811359485A CN109591738A CN 109591738 A CN109591738 A CN 109591738A CN 201811359485 A CN201811359485 A CN 201811359485A CN 109591738 A CN109591738 A CN 109591738A
- Authority
- CN
- China
- Prior art keywords
- energy
- collision
- automobile
- prevention girders
- absorption box
- 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.)
- Granted
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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
-
- 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
-
- 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
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
-
- 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
- B60R2019/264—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means using cellular structures
Abstract
The present invention provides a kind of automobile collision preventing structural assemblies, including collision prevention girders, energy-absorption box, bindiny mechanism；The both ends of the energy-absorption box are separately connected the collision prevention girders and bindiny mechanism, and the bindiny mechanism is connected between energy-absorption box and automobile longitudinal girder；Multiple geometric figures are spliced anti-collision unit along central symmetry, and the collision prevention girders are spliced by multiple anti-collision units along central axis direction.The appearance for effectively avoiding stress concentration phenomenon can be realized using the technical program, improved integral energy-absorbing amount, effectively improved the safety of automobile.
Description
Technical field
The present invention relates to automobile buffer beam field, in particular to a kind of automobile collision preventing structural assemblies.
Background technique
With the progress of industrial technology, development of automobile industry is rapid, and occupancy volume per person significantly improves, and is improving human lives
Also taking place frequently for traffic accident has been caused while horizontal.Vehicle traffic accident is all a global problem all the time,
The life and property safety of the mankind are threaten, therefore the crash-worthiness protection for improving automobile is all a challenge class all the time
Topic.Mainly impact kinetic energy is turned by irreversible deformation by the collision prevention girders and energy-absorption box of vehicle body front and rear part when automobile collides
It is melted into the effect that deform can to play protection staff safety.Currently, it is simple for applying the collision prevention girders on most of bodies of a motor car
Cavity structure, and matched energy-absorption box is still general configuration pipe fitting, including thin-walled straight tube, thin-walled Taper Pipe etc..Work as automobile
When colliding, traditional collision prevention girders and energy-absorbing box structure, due to the concentration of impact force, it is easy to stress concentration phenomenon is generated,
To which unstability occur, energy-absorbing is influenced.Integral energy-absorbing amount is few simultaneously, cannot preferably protect the safety of occupant.In addition it actually occurs
It is all angled oblique collision mostly when motor vehicle accident, the anticollision beam assembly structure of traditional thin-walled is easy to that mechanics mistake occurs
Surely, energy absorption and the limitation of protection member become to be more and more obvious.Therefore, the automobile buffer beam that is made of traditional thin-walled and
Energy-absorption box assembly structure has been unable to meet requirement of the current vehicle safety to anti-collision structure.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of automobile collision preventing structural assembly is provided, is had
Effect avoids the appearance of stress concentration phenomenon, improves integral energy-absorbing amount, effectively improves the safety of automobile.
In order to solve the above-mentioned technical problems, the present invention provides a kind of automobile collision preventing structural assemblies, including collision prevention girders, energy-absorbing
Box, bindiny mechanism；The both ends of the energy-absorption box are separately connected the collision prevention girders and bindiny mechanism, and the bindiny mechanism is connected to suction
It can be between box and automobile longitudinal girder；Multiple geometric figures are spliced anti-collision unit along central symmetry, and the collision prevention girders are by multiple anti-
Unit is hit to be spliced along central axis direction.
In a preferred embodiment, the section of the energy-absorption box is specially that a square-section passes through self similarity array four
A vertex arranges that square-section obtains again；Four corners in the section are excessively connected by circular arc to replace right angle to connect
Binding structure.
In a preferred embodiment, the tube wall of the energy-absorbing box structure is specially sandwich structure, specifically thin by first
Parietal layer, the second thin-walled layer and battenboard layer composition；The battenboard layer be set to the first thin-walled layer and the second thin-walled layer it
Between；The battenboard layer is laciniation.
In a preferred embodiment, the geometric figure is specially equilateral triangle；Six respective one side of equilateral triangle
One triangle circle of formation from beginning to end, the equilateral triangle is along central symmetry；The mutually nested formation of triangle circle described in two
The anti-collision unit；The section at the both ends of the anti-collision unit is respectively the first regular hexagon, the second regular hexagon；Described first
Regular hexagon and the interlaced setting of the second regular hexagon.
In a preferred embodiment, the both ends of the collision prevention girders are respectively arranged with the energy-absorption box.
In a preferred embodiment, the bindiny mechanism is specially ring flange, and the energy-absorption box connects the ring flange
Be provided with ring flange connector on one side, the ring flange is fixedly connected with ring flange connector.
In a preferred embodiment, collision prevention girders specifically use light aluminum alloy material to be made.
In a preferred embodiment, the inside of the thin-wall tube is filled with gradient aluminum foam material.
In a preferred embodiment, the energy-absorption box is close to gradient aluminum foam density described in one end of the collision prevention girders
Small, gradient aluminum foam density described in one end far from the collision prevention girders is big.
Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that
1. the collision prevention girders in the present invention are spliced to form by multiple equilateral triangle sections, when by local assault, due to
Comprising multiple connection corners between anti-collision unit in collision prevention girders, thus ensure that the dispersion of stress when collision, effective guarantee anticollision
The stability and energy absorption of beam.In addition excessive in the circular arc of novel four corners of energy-absorption box, it can be pressed in energy-absorption box by collision
When bursting, the appearance of corner stress concentration phenomenon is avoided, effective guarantee energy-absorption box is not in tearing phenomenon in collision process,
Make its stabilization, folds energy-absorbing.
2. on the one hand collision prevention girders and energy-absorbing box device are hit in the present invention, due to the paper folding shape and circular arc of anti-collision unit
In the presence of avoiding stress concentration phenomenon, ensured stability.On the other hand, energy-absorbing box device adds quadrangle shape in four corners
At hierarchical structure, since increasing for angle unit can significantly promote energy absorption, crashworthiness is more preferably.Plus internal filling
Aluminum foam, the expansion energy-absorbing in compression process can effectively improve the energy absorbing efficiency of entire bumper assembly.
3. the tube wall of energy-absorption box replaces traditional entity tube wall with sandwich structure, it is full that total quality can be effectively reduced
Sufficient light-weight design demand, while in turn ensuring higher energy absorption.
4. the inside of energy-absorption box involved in the present invention is filled with the aluminum foam of change of gradient, close to one section of collision prevention girders
Foam density is small, and one section far from collision prevention girders, foam density is big, and the filling of such gradient foam has been effective against angled punching
Mechanics unstable phenomenon under hitting generates, and can effectively improve the whole stability under the oblique impact of multi-angle of structure, more preferably
The utilization rate for playing material, is greatly lowered energy absorbing efficiency due to avoid because of endergonic structure under oblique impact unstability and jeopardizes automobile and multiply
The life and its property safety of member.
Detailed description of the invention
Fig. 1 is the overall structure diagram of automobile collision preventing structural assembly in the preferred embodiment of the present invention；
Fig. 2 is two anti-collision unit splicing construction schematic diagrames of automobile collision preventing structural assembly in the preferred embodiment of the present invention；
Fig. 3 is four anti-collision unit splicing construction schematic diagrames of automobile collision preventing structural assembly in the preferred embodiment of the present invention；
Fig. 4 is the collision prevention girders structural schematic diagram of automobile collision preventing structural assembly in the preferred embodiment of the present invention；
Fig. 5 is that the first regular hexagon of automobile collision preventing structural assembly and the second regular hexagon are handed in the preferred embodiment of the present invention
Wrong schematic diagram；
Fig. 6 is the anti-collision unit structural schematic diagram of automobile collision preventing structural assembly in the preferred embodiment of the present invention；
Fig. 7 is the evolutionary shapes schematic diagram that conventional crash beam is knocked；
Fig. 8 is the evolutionary shapes signal that the collision prevention girders of automobile collision preventing structural assembly in the preferred embodiment of the present invention are knocked
Figure；
Fig. 9 is the energy-absorption box schematic cross-section of automobile collision preventing structural assembly in the preferred embodiment of the present invention；
Figure 10 is the sandwich structural pipe wall of the energy-absorbing box structure of automobile collision preventing structural assembly in the preferred embodiment of the present invention
Schematic diagram；
Figure 11 is the gradient aluminum foam distribution schematic diagram of automobile collision preventing structural assembly 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 automobile collision preventing structural assembly, is set to the front end of automobile, with reference to Fig. 1, including collision prevention girders 1, energy-absorption box 2, company
Connection mechanism；The both ends of the collision prevention girders 1 are respectively arranged with the energy-absorption box 2.The both ends of the energy-absorption box 2 are separately connected institute
Collision prevention girders 1 and bindiny mechanism are stated, the bindiny mechanism is connected between energy-absorption box 2 and automobile longitudinal girder；Multiple geometric figures are in
The heart is symmetrically spliced anti-collision unit 11, and the collision prevention girders 1 are spliced by multiple anti-collision units 11 along central axis direction.Specifically
For, the geometric figure is specially equilateral triangle 111；Six respective one side of equilateral triangle 111 are from beginning to end to form one or three
Angular circle, the equilateral triangle 111 is along central symmetry；Triangle circle described in two is mutually nested to form the anti-collision unit
11, with specific reference to Fig. 2 to 4,；The section at the both ends of the anti-collision unit 11 is respectively the first regular hexagon, the second regular hexagon；
First regular hexagon and the interlaced setting of the second regular hexagon, with specific reference to Fig. 5 to 6,.In the present embodiment, anticollision
Beam 1 is specifically made of light aluminum alloy material.In collision process, due to including multiple joint angles between anti-collision unit 11
It falls, the power of collision transmitting can be dispersed, so that stress be avoided to concentrate, also improve energy-absorbing while guaranteeing stability
Effect, as shown in fig. 7, need to point out that dash area in figure has outlined stress distribution phenomenon such as Fig. 8 of conventional crash girder construction
It is shown, it is stress distribution phenomenon of the collision prevention girders 1 provided by the invention in collision process.Due to including more between anti-collision unit 11
A connection corner, so avoiding the stress raisers phenomenon for 1 structure of conventional crash beam occur in collision, energy-absorbing is more steady
It is fixed, collision energy can be effectively absorbed, ensures occupant safety.
Collision prevention girders 1 in the present invention are spliced to form by multiple 111 sections of equilateral triangle, when by local assault, by
In in collision prevention girders 1 between anti-collision unit 11 include multiple connection corners, to ensure that the dispersion of stress when collision, effective guarantee
The stability and energy absorption of collision prevention girders 1.
Specifically, with reference to Fig. 9 to 11, the energy-absorption box 2 is thin-walled sandwich pipe, and the thin-walled sandwich pipe is cut
Mask body is the square-section section that four apex angles are substituted by square structure again simultaneously；Four connection corners in the section
Replace right angle connection unit by circular arc unit 4.The energy-absorption box structure tube wall is not conventional entity structural pipe wall, but three
Mingzhi's tube wall is specifically made of the first thin-walled layer 6, the second thin-walled layer 7 and battenboard layer 8；The battenboard layer 8 is set to described
Between first thin-walled layer 6 and the second thin-walled layer 7；The battenboard layer 8 is specially zigzag structure, and both ends also abut institute respectively
State the first thin-walled layer 6 and the second thin-walled layer 7.In the present embodiment, the inside of the thin-wall tube is filled with gradient aluminum foam material
5.The energy-absorption box 2 is small close to gradient aluminum foam density described in one end of the collision prevention girders 1, one end far from the collision prevention girders 1
The gradient aluminum foam density is big.Be collided impact when, in four corners, being stacked for square-section of addition make first
Being added in collision energy-absorbing for more polygonal unit is obtained, there is better collision energy-absorbing effect；Secondly because the circular arc in four corners
Unit 4
Setting is not in that stress is concentrated in collision Collapse of Concrete, to effectively prevent the tearing of 2 device of energy-absorption box
Phenomenon occurs, and the structure setting of sandwich wall pipe meets light-weighted while also can be effectively ensured entirety effectively mitigating quality
Energy absorption protects occupant safety.In addition the aluminum foam material 5 that the internal density filled changes in gradient can effectively adapt to more
Angle impacts guarantee the stability of structure.It is excessive in the circular arc of novel 2 four corners of energy-absorption box, it can be touched in energy-absorption box 2
When pressure is burst, the appearance of corner stress concentration phenomenon is avoided, effective guarantee energy-absorption box 2 is not in tearing in collision process
Phenomenon makes its stabilization, folds energy-absorbing.
On the one hand 2 device of collision prevention girders 1 and energy-absorption box is hit in the present invention, due to the paper folding shape and circular arc of anti-collision unit 11
Presence, avoid stress concentration phenomenon, ensured stability.On the other hand, 2 device of energy-absorption box adds quadrangle in four corners
The hierarchical structure of formation, since increasing for angle unit can significantly promote energy absorption, while energy-absorption box 2 by the first thin-walled layer
6, the sandwich structural pipe wall that battenboard layer 8 and the second thin-walled layer are constituted, relative to traditional thin-walled physical pipe, quality is decreased obviously
And energy-absorbing effect is promoted, anti-collision effect is more preferably.The internal aluminum foam filled is being added, the expansion energy-absorbing in compression process can
Effectively improve the energy absorbing efficiency of entire bumper assembly.
The inside of energy-absorption box 2 involved in the present invention is filled with the aluminum foam of change of gradient, close to one section of collision prevention girders 1
Foam density is small, and one section far from collision prevention girders 1, foam density is big, and the filling of such gradient foam has been effective against angled
Mechanics unstable phenomenon under impact generates, and can effectively improve the whole stability under the oblique impact of multi-angle of structure, more
The utilization rate for playing material well is greatly lowered energy absorbing efficiency due to avoid because of endergonic structure under oblique impact unstability and jeopardizes automobile
The life and its property safety of occupant.
Specifically, the bindiny mechanism is specially ring flange 3, and the energy-absorption box 2 connects setting on one side for the ring flange 3
It is equipped with ring flange connector, the ring flange 3 is fixedly connected with ring flange connector.The above, the only present invention are preferably
Specific embodiment, but the design concept of the present invention is not limited to this, and anyone skilled in the art is at this
It invents in the technical scope disclosed, is made a non-material change to the present invention using this design, belong to invade guarantor of the present invention
Protect the behavior of range.
Claims (9)
1. a kind of automobile collision preventing structural assembly, it is characterised in that including collision prevention girders, energy-absorption box, bindiny mechanism；The energy-absorption box
Both ends are separately connected the collision prevention girders and bindiny mechanism, and the bindiny mechanism is connected between energy-absorption box and automobile longitudinal girder；It is multiple
Geometric figure is spliced anti-collision unit along central symmetry, the collision prevention girders spliced by multiple anti-collision units along central axis direction and
At.
2. automobile collision preventing structural assembly according to claim 1, which is characterized in that the section of the energy-absorption box is specially one
Square-section arranges that square-section obtains in four vertex by self similarity array again；Four corners in the section are logical
Circular arc is crossed excessively to connect to replace right angle connecting structure.
3. automobile collision preventing structural assembly according to claim 2, which is characterized in that the tube wall of the energy-absorbing box structure is specific
For sandwich structure, specifically it is made of the first thin-walled layer, the second thin-walled layer and battenboard layer；The battenboard layer is set to described
Between first thin-walled layer and the second thin-walled layer；The battenboard layer is laciniation.
4. automobile collision preventing structural assembly according to claim 1, which is characterized in that the geometric figure is specially positive triangle
Shape；Six respective one side of equilateral triangle formation from beginning to end, one triangle circle, the equilateral triangle is along central symmetry；Two institutes
The triangle circle stated is mutually nested to form the anti-collision unit；The section at the both ends of the anti-collision unit is respectively the first positive six side
Shape, the second regular hexagon；First regular hexagon and the interlaced setting of the second regular hexagon.
5. automobile collision preventing structural assembly as claimed in any of claims 1 to 4, which is characterized in that the collision prevention girders
Both ends be respectively arranged with the energy-absorption box.
6. automobile collision preventing structural assembly as claimed in any of claims 1 to 4, which is characterized in that the connection machine
Structure is specially ring flange, and what the energy-absorption box connected the ring flange is provided with ring flange connector on one side, the ring flange with
Ring flange connector is fixedly connected.
7. automobile collision preventing structural assembly as claimed in any of claims 1 to 4, which is characterized in that collision prevention girders are specific
It is made of light aluminum alloy material.
8. automobile collision preventing structural assembly as claimed in any of claims 1 to 4, which is characterized in that the thin-wall tube
Inside be filled with gradient aluminum foam material.
9. automobile collision preventing structural assembly according to claim 8, which is characterized in that the energy-absorption box is close to the collision prevention girders
One end described in gradient aluminum foam density it is small, far from the collision prevention girders one end described in gradient aluminum foam density it is big.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359485.8A CN109591738B (en) | 2018-11-15 | 2018-11-15 | Automobile anti-collision structure assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359485.8A CN109591738B (en) | 2018-11-15 | 2018-11-15 | Automobile anti-collision structure assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109591738A true CN109591738A (en) | 2019-04-09 |
| CN109591738B CN109591738B (en) | 2022-03-04 |
Family
ID=65958033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811359485.8A Active CN109591738B (en) | 2018-11-15 | 2018-11-15 | Automobile anti-collision structure assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN109591738B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873141A (en) * | 2019-11-07 | 2020-03-10 | 五邑大学 | Method and structure for realizing paper folding deformation energy absorption structure |
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| FR2908715A1 (en) * | 2006-11-20 | 2008-05-23 | Valeo Systemes Thermiques | FRONT SHOCK PROTECTIVE SHIELD FOR MOTOR VEHICLE FRONT PANEL AND FRONT PANEL MODULE HAVING SUCH SHIELD |
| CN101638076B (en) * | 2009-08-27 | 2012-02-22 | 王博 | Crease type crash energy absorption box |
| WO2014126183A1 (en) * | 2013-02-18 | 2014-08-21 | 株式会社深井製作所 | Energy absorption member |
| CN104709208A (en) * | 2015-01-25 | 2015-06-17 | 吉林大学 | Bumper of imitating-ox-horn structure |
| CN205044684U (en) * | 2015-10-16 | 2016-02-24 | 江西江铃集团新能源汽车有限公司 | A buffer stop for car body |
| CN205098116U (en) * | 2015-10-23 | 2016-03-23 | 北京汽车股份有限公司 | Crashproof roof beam assembly and car before car |
-
2018
- 2018-11-15 CN CN201811359485.8A patent/CN109591738B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2908715A1 (en) * | 2006-11-20 | 2008-05-23 | Valeo Systemes Thermiques | FRONT SHOCK PROTECTIVE SHIELD FOR MOTOR VEHICLE FRONT PANEL AND FRONT PANEL MODULE HAVING SUCH SHIELD |
| CN101638076B (en) * | 2009-08-27 | 2012-02-22 | 王博 | Crease type crash energy absorption box |
| WO2014126183A1 (en) * | 2013-02-18 | 2014-08-21 | 株式会社深井製作所 | Energy absorption member |
| CN104709208A (en) * | 2015-01-25 | 2015-06-17 | 吉林大学 | Bumper of imitating-ox-horn structure |
| CN205044684U (en) * | 2015-10-16 | 2016-02-24 | 江西江铃集团新能源汽车有限公司 | A buffer stop for car body |
| CN205098116U (en) * | 2015-10-23 | 2016-03-23 | 北京汽车股份有限公司 | Crashproof roof beam assembly and car before car |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873141A (en) * | 2019-11-07 | 2020-03-10 | 五邑大学 | Method and structure for realizing paper folding deformation energy absorption structure |
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| Publication number | Publication date |
|---|---|
| CN109591738B (en) | 2022-03-04 |
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