CN107344539B - A kind of automobile collision preventing girder construction based on Bionic Design - Google Patents
A kind of automobile collision preventing girder construction based on Bionic Design Download PDFInfo
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- CN107344539B CN107344539B CN201710449389.1A CN201710449389A CN107344539B CN 107344539 B CN107344539 B CN 107344539B CN 201710449389 A CN201710449389 A CN 201710449389A CN 107344539 B CN107344539 B CN 107344539B
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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
- B60R19/18—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
- B60R2019/026—Buffers, i.e. bumpers of limited extent
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The automobile collision preventing girder construction based on Bionic Design that the invention discloses a kind of, including cross-beam body, stringer positioned at cross-beam body both ends, it is characterized in that its internal structure of cross-beam body copies the segmental appendage of animal, segmental appendage curling, netted, oval structures feature, when vehicle is hit, the transmitting of impact force and energy is transmitted along mulitpath inside cross-beam body and dispersion, it is successively crushed by cross-beam body and each position collective effect of its fixing piece and absorbs energy, collision energy is set gradually to successively decrease, so that the impact force for being transmitted to stringer crew module and energy be made to reduce.The welded connections between number of parts and each component is reduced, complete vehicle weight and cost are reduced；Realizing itself not only using the distinctive biomimetic features of cross-beam body has the effect of high-strength structure but also there is transmitting rapidly to decompose collision energy-absorbing；It can disposably be formed, reduce assembly complexity；The light-weight design purpose for realizing collision prevention girders is really manufactured from monomer structure.
Description
Technical field
The present invention relates to automobile component technology, especially a kind of automobile collision preventing girder construction based on Bionic Design.
Background technique
Guard member when collision prevention girders are as car crass, strength degree are the key that guarantee passenger safety.It is existing
There are many structures to design for the collision prevention girders of technology, but substantially realizes security protection using the accessory of energy absorber.As specially
Sharp notification number is CN104029646B, a kind of collision prevention girders and automobile, including the first collision prevention girders, the second collision prevention girders and pedestal, pedestal
Including first inner chamber and second inner chamber, first inner chamber and second inner chamber connection, the first collision prevention girders are connect with first inner chamber, formed with
The matched piston structure of first inner chamber shape, the second collision prevention girders are connect with second inner chamber, are formed matched with second inner chamber shape
Piston structure, the distance between impingement area and the mounting surface of pedestal of the first collision prevention girders are greater than the impingement area and base of the second collision prevention girders
The distance between the mounting surface of seat, is filled with energy-absorbing liquid in first inner chamber and second inner chamber.For another example patent publication No. is
A kind of front anticollision beam of automobile of CN103661181A design, including front anti-collision beam ontology, front anti-collision beam ontology include front end face and
Dashpot is respectively set on rear end face, front end face and rear end face.For another example patent publication No. is a kind of automobile of CN106428214A
Front anti-collision beam, including curved cross member, connecting plate, energy-absorption box and mounting plate, crossbeam both ends connect energy-absorption box by connecting plate respectively,
On energy-absorption box through mounting plate and bolt fastening on chassis runner assembly；Crossbeam is formed using arc of radius such as roll-in cross-sections,
Its cross sectional shape is B font.It is very limited that this such as " B font ", " 8 font " structural collision protection energy-absorbing promote effect.
Also have using honeycomb, as patent announcement number be CN103171504B a kind of collision prevention girders and automobile, anticollision
Beam includes foreboard, the honeycomb being fixed on foreboard and back plate；Honeycomb is accommodated in back plate, and back plate is fixed on foreboard
On.This honeycomb is equidistant inner cavity, and buffer body interconnection is excessively intensive, although having release efficiency when collision, is dissipated
It sends out speed and neutralizing ability is unsatisfactory, and the molding of this honeycomb is extremely difficult, even if tearing side side open as described in applicant
Method forms its technique and is also impossible to disposal molding, and the forms such as welding is used to be combined, its own intensity can decline again.
Since in the case where same intensity requires, requirement of the collision prevention girders of electric car to weight is harsher.And it commonly uses at present
Anticollision beam assembly weight, the volume of electric car are all bigger, are unfavorable for the space layout and light-weight design of vehicle.If with
Part mode is thinned and obtains light weight effect, then can reduce the intensity of collision prevention girders, be unfavorable for the security performance of vehicle.
Summary of the invention
It the purpose of the present invention is to solve the above problem, provides a kind of reasonable in design, impact force can be alleviated rapidly,
Each component part, which is successively crushed, inside collision prevention girders absorbs energy, the automobile based on Bionic Design for making collision energy gradually successively decrease
Anticollision girder construction.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals: one kind is based on Bionic Design
Automobile collision preventing girder construction, including cross-beam body, the stringer positioned at cross-beam body both ends, it is characterized in that the cross-beam body its
Internal structure copies the segmental appendage of animal, segmental appendage crispatura, is netted, oval structures feature, when vehicle is hit, impact force and energy
The transmitting of amount is transmitted along mulitpath inside cross-beam body and dispersion, is made jointly by cross-beam body and each position of its fixing piece
Energy is absorbed with successively conquassation, so that collision energy is gradually successively decreased, so that the impact force for being transmitted to stringer crew module and energy be made to subtract
It is few.
Bionics is an ancient subject, and the function and structure of the various organisms of nature can be to people in machinery
Mechanism design aspect has very big reference, and the technical program is directed to the mechanical characteristic of automobile buffer beam, using in animal
Certain peculiar structures are divided into segmental appendage stairstepping after deducing by its cross-sectional shape, damp worm arthropod type is crispaturaed shape, spider net form, chicken
Eggshell shape etc., when collision prevention girders are collided, impact force and energy are rapidly along the inside mulitpath of collision prevention girders
Transmitting and dispersion, successively rapidly conquassation absorbs energy to collision prevention girders inside each group adult.The technical program provides a kind of new
Cross-beam body structure thinking decomposes the biomimetic features of energy and is stressed directly direction along cross-beam body thickness direction having to successively decrease
Well-regulated arrangement is carried out, from its own internal decomposition for carrying out most of Impact energy, and collision prevention girders is made to be not easy directly quilt
It destroys.Various shape in this programme can be by the disposable drawing and forming of shape extrusion mode, can be directly as crossbeam
Ontology uses, without in addition configuration front and back accessory plate.
Preferably, the cross-beam body internal structure copies the segmental appendage of animal, segmental appendage to crispatura design feature, it is respectively
Along cross-beam body thickness direction in " scorpion tail stairstepping " and " damp worm crispatura shape ".Scorpion tail stairstepping is a kind of set section structure,
What this programme imitated is this socket mode, and the state manufacture after this socket is integrated, is used as a whole.
Preferably, the cross-beam body internal structure copies the reticular structure feature of animal, it is along cross-beam body thickness
Spending direction is in " spider net form ".The inner hole of spider net form is of different sizes, is carried out in cross-beam body using this unequal-side inner hole
Reasonable layout, can effect to reach best dissipate.
Preferably, the cross-beam body internal structure copies the oval structures feature of animal, it is along cross-beam body thickness
Direction is spent in several series-parallel " egg shapes ".Oval generally to have big small end, the feature of oval maximum is exactly this size
End and full arcwall face, this egg shape pass through series, parallel combination such as the same energy absorber, the equal energy of the impact that any direction is subject to
It is transmitted rapidly from other directions.
Preferably, the stringer includes side rail, the girder plate on the outside of side rail；Cross-beam body one
End is equipped with towing hook sleeve；Longitudinal beam reinforcing plate is equipped between side rail and cross-beam body ontology.The present apparatus equally can use vertical
Beam installation position carries out the arrangement of energy absorber, obtains multiple energy-absorbing anti-collision protection.
Preferably, the segmental appendage is structurally characterized in that along cross-beam body thickness direction, from front to back, interior sky it is ascending
Integral structure made of socket arrangement.Segmental appendage part from small to large, i.e., in it is empty from small to large, conversely, its base body just has
Structure from big to small, i.e. collision prevention girders front end stress initial point bit architecture intensity are bigger.
It is structurally characterized in that in the thickness direction of cross-beam body from top to down or under preferably, the segmental appendage is crispaturaed
And the arcuate structure body that upper socket is arranged in.Belled body continuous phase is passed through one by one, and this structural body of crispaturaing respectively forms a
Body can be equal in magnitude, can also be arranged with increasing or decreasing.
Preferably, the reticular structure feature is to distribute along cross-beam body thickness direction for intermediate small both ends are big
Formula meshy arrangement structure.Middle part is reserved larger space, forms an energy swelling area.
Preferably, the oval structures feature is along cross-beam body thickness direction from front to back with the oval amount phase of equal difference
Mutually goes here and there and arrange.Guarantee that whole each position of branch cross-beam body has same energy-absorbing effect.
Preferably, the oval structures are along the oval size of the adjacent front two rows of cross-beam body thickness direction from forward direction
Arrange from big to small afterwards, and adjacent two rows it is oval size extreme direction it is opposite.
The beneficial effects of the present invention are: the components such as energy-absorption box commonly used in the prior art can be saved, number of parts is reduced
And the welded connections between each component, to reduce complete vehicle weight and cost；It is directly distinctive bionical using cross-beam body
Structure, which realizes itself not only, to be had the effect of high-strength structure but also there is transmitting rapidly to decompose collision energy-absorbing；It can be by shape extrusion
Method is disposably formed, and simplifies mounting process, reduces the connection between part and the arrangement in space, and it is complicated to reduce assembly
Property；The light-weight design purpose for realizing collision prevention girders is really manufactured from monomer structure.
Detailed description of the invention
Fig. 1 is a kind of assembling structure schematic diagram of the invention.
Fig. 2 is the explosive view of Fig. 1 of the present invention.
Fig. 3 is the partial enlargement structural representation of Fig. 2 of the present invention.
Fig. 4 is a kind of segmental appendage shape cross-beam body structural schematic diagram of the invention.
Fig. 5 is that a kind of segmental appendage of the invention is crispaturaed shape cross-beam body structural schematic diagram.
Fig. 6 is a kind of net-shaped cross-beam body structural schematic diagram of the invention.
Fig. 7 is a kind of oval cross-beam body structural schematic diagram of the invention.
In figure: 1. cross-beam bodies, 11. sleeve weld holes, 2. towing hooks, 3. towing hook sleeves, 4. connection bolts, 5. spiral shells
Mother, 6. girder plates, 7. side rails, 71. flange connecting bridges, 8. longitudinal beam reinforcing plates, 81. sleeve via holes.
1a. segmental appendage shape crossbeam, 1b. segmental appendage are crispaturaed shape crossbeam, 1c. net-shaped crossbeam, the oval crossbeam of 1d..
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
A kind of automobile collision preventing girder construction based on Bionic Design of the present embodiment, referring to Fig. 1 to Fig. 3, by cross-beam body 1 and position
Stringer in 1 both ends of cross-beam body forms.Wherein stringer includes side rail 7 and the girder plate positioned at 7 outside of side rail
6.Specifically, 1 end of cross-beam body is equipped with sleeve weld hole 11, towing hook sleeve 3, towing hook set are fixed in sleeve weld hole 11
To install towing hook 2 on cylinder 3,11 two sides of sleeve weld hole were respectively equipped with screw hole, cross screw hole be used to position with cross-beam body 1 and
The fixed connection bolt 4 of stringer.7 end of side rail is equipped with longitudinal beam reinforcing plate 8 and to turning down an angle of 90 degrees between two stringers
Flange connecting bridge 71 also opens up the sleeve via hole 81 cooperated with towing hook sleeve 3 on longitudinal beam reinforcing plate 8, is also welded with and a Zhi Lian
The nut 5 that connecting bolt 4 cooperates, flange connecting bridge 71 are equipped with the nut that the cooperation of bolt 4 is connect with another.
Its internal structure of cross-beam body 1 copies the segmental appendage of animal, segmental appendage to crispatura (or the armor is crispaturaed), netted, oval structures
Feature is designed, wherein segmental appendage design feature, is the section section stairstepping along 1 thickness direction of cross-beam body in scorpion tail portion
Shape, as shown in figure 4, i.e. along 1 thickness direction of cross-beam body, from front to back, interior sky ascending one be socketed arrangement successively, when production
Drawing out interior sky can form.
Segmental appendage, which is crispaturaed, is structurally characterized in that forming damp worm along 1 thickness direction of cross-beam body crispaturas shape, as shown in Figure 5.This volume
Shrinking structure is socketed from top to down or from below to up the arcuate structure body being arranged in the thickness direction of cross-beam body 1, each to be socketed
Body structure is identical.When production, this belled body is showed with the slab structure being coupled to each other, along the plate of 1 length direction of cross-beam body
Face can be designed as plate shape plate.
1 internal structure of cross-beam body copies the reticular structure feature of animal, is along 1 thickness direction of cross-beam body according to spider
Net form is deduced, referring to Fig. 6, be along 1 thickness direction of cross-beam body in intermediate small both ends greatly distribute formula meshy arrangement structure.
When production, mesh is drawn out in a manner of shape extrusion.
Oval structures feature is that egg shape is copied inside cross-beam body 1, along cross-beam body thickness direction by multiple rows of ovum
Shape forms in series and parallel, as shown in Figure 7.Further, oval structures are along 1 thickness direction of cross-beam body from front to back with the oval amount of equal difference
It mutually goes here and there and arranges, if front first row sets one oval, second row sets two oval combinations.And oval structures are along crossbeam
When 1 thickness direction of ontology arranges, the descending arrangement from front to back of the oval size of adjacent front two rows, i.e. front one ovulation shape
Volume is greater than the oval volume of a row behind, and the oval size extreme direction of adjacent two rows on the contrary, the i.e. ovulation of front one shape it is big
Backward, the oval small end of a row behind is facing forward at end.When production, cross-sectional shape as shown in Figure 7, it is oval it is interior pull into interior sky,
Connection position and interior sky between ovum and ovum become flexible energy-absorbing body.
When hitting vehicle, the transmitting of impact force and energy is rolled up along segmental appendage, the segmental appendage inside cross-beam body 1
The transmitting of the mulitpaths such as contracting, netted, oval and dispersion, each position of the fixing piece formed by cross-beam body 1 and inside it are common
Successively conquassation absorbs energy for effect, so that collision energy is gradually successively decreased, to make the impact force and energy that are transmitted to stringer crew module
It reduces rapidly.
Above-described embodiment is the description of the invention, is not limitation of the invention, any pair of simple transformation of the invention
Structure, technique afterwards etc. all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of automobile collision preventing girder construction based on Bionic Design, including cross-beam body (1), positioned at the vertical of cross-beam body both ends
Beam, it is characterized in that its internal structure of the cross-beam body copies the segmental appendage of animal, segmental appendage crispatura, is netted, oval structures feature,
Various shape can pass through the disposable drawing and forming of shape extrusion mode；When vehicle is hit, impact force and energy
Transmitting is transmitted along mulitpath inside cross-beam body and dispersion, by cross-beam body and each position collective effect of its fixing piece according to
Secondary conquassation absorbs energy, and collision energy is made gradually to successively decrease, so that the impact force for being transmitted to stringer crew module and energy be made to reduce.
2. a kind of automobile collision preventing girder construction based on Bionic Design according to claim 1, it is characterized in that the crossbeam
Ontology (1) internal structure copies the segmental appendage of animal, segmental appendage to crispatura design feature, is along cross-beam body thickness direction respectively in " scorpion
Sub- tail stairstepping ", " damp worm crispatura shape ".
3. a kind of automobile collision preventing girder construction based on Bionic Design according to claim 1, it is characterized in that the crossbeam
Ontology (1) internal structure copies the reticular structure feature of animal, is along cross-beam body thickness direction in " spider net form ".
4. a kind of automobile collision preventing girder construction based on Bionic Design according to claim 1, it is characterized in that the crossbeam
Ontology (1) internal structure copies the oval structures feature of animal, is along cross-beam body thickness direction in several series-parallel " chickens
Egg type ".
5. a kind of automobile collision preventing girder construction based on Bionic Design according to claim 1 or 2 or 3 or 4, it is characterized in that institute
The stringer stated includes side rail (7), the girder plate (6) on the outside of side rail；Cross-beam body (1) one end is equipped with towing hook
Sleeve (3)；Longitudinal beam reinforcing plate (8) are equipped between side rail and cross-beam body (1) ontology.
6. a kind of automobile collision preventing girder construction based on Bionic Design according to claim 1 or 2, it is characterized in that the section
Limb is structurally characterized in that along cross-beam body (1) thickness direction, from front to back, integral type knot made of the ascending socket arrangement of interior sky
Structure.
7. a kind of automobile collision preventing girder construction based on Bionic Design according to claim 1 or 2, it is characterized in that the volume
Shrinking structure feature is to be socketed from top to down or from below to up the arcuate structure being arranged in the thickness direction of cross-beam body (1)
Body.
8. a kind of automobile collision preventing girder construction based on Bionic Design according to claim 1 or 3, it is characterized in that the net
Shape is structurally characterized in that along cross-beam body (1) thickness direction, for intermediate small both ends it is big distribute formula meshy arrangement structure.
9. a kind of automobile collision preventing girder construction based on Bionic Design according to claim 1 or 4, it is characterized in that the ovum
Shape, which is structurally characterized in that, is mutually gone here and there and is arranged with the oval amount of equal difference from front to back along cross-beam body (1) thickness direction.
10. a kind of automobile collision preventing girder construction based on Bionic Design according to claim 9, it is characterized in that described is oval
Structure arranges from big to small from front to back along the adjacent oval size of front two rows of cross-beam body (1) thickness direction, and adjacent two
The size extreme direction for shape of ovulating is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449389.1A CN107344539B (en) | 2017-06-14 | 2017-06-14 | A kind of automobile collision preventing girder construction based on Bionic Design |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449389.1A CN107344539B (en) | 2017-06-14 | 2017-06-14 | A kind of automobile collision preventing girder construction based on Bionic Design |
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| Publication Number | Publication Date |
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| CN107344539A CN107344539A (en) | 2017-11-14 |
| CN107344539B true CN107344539B (en) | 2019-08-23 |
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| CN1724293A (en) * | 2004-07-20 | 2006-01-25 | 本田技研工业株式会社 | Bumper beam attachment structure for vehicle and bumper beam for vehicle |
| CN103318112A (en) * | 2013-07-11 | 2013-09-25 | 吉林大学 | Heavy duty vehicle bionic rear bumper |
| CN104724018A (en) * | 2015-02-13 | 2015-06-24 | 苏州紫荆清远新能源汽车技术有限公司 | Automobile anti-collision beam structure and automobile |
| CN106080470A (en) * | 2016-08-29 | 2016-11-09 | 芜湖常瑞汽车部件有限公司 | Automobile energy-absorbing collision prevention girders |
| CN106828381A (en) * | 2017-02-06 | 2017-06-13 | 大连理工大学 | A kind of multilevel security anticollision beam assembly based on multistable single cell structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10248637A1 (en) * | 2002-10-18 | 2004-05-06 | Dr.Ing.H.C. F. Porsche Ag | Bumpers for a motor vehicle |
| JP6061787B2 (en) * | 2013-06-07 | 2017-01-18 | 日軽金アクト株式会社 | Bumper reinforcement |
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2017
- 2017-06-14 CN CN201710449389.1A patent/CN107344539B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724293A (en) * | 2004-07-20 | 2006-01-25 | 本田技研工业株式会社 | Bumper beam attachment structure for vehicle and bumper beam for vehicle |
| CN103318112A (en) * | 2013-07-11 | 2013-09-25 | 吉林大学 | Heavy duty vehicle bionic rear bumper |
| CN104724018A (en) * | 2015-02-13 | 2015-06-24 | 苏州紫荆清远新能源汽车技术有限公司 | Automobile anti-collision beam structure and automobile |
| CN106080470A (en) * | 2016-08-29 | 2016-11-09 | 芜湖常瑞汽车部件有限公司 | Automobile energy-absorbing collision prevention girders |
| CN106828381A (en) * | 2017-02-06 | 2017-06-13 | 大连理工大学 | A kind of multilevel security anticollision beam assembly based on multistable single cell structure |
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|---|---|
| CN107344539A (en) | 2017-11-14 |
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