CN106945622A - A kind of vehicle bumper - Google Patents
A kind of vehicle bumper Download PDFInfo
- Publication number
- CN106945622A CN106945622A CN201710216349.2A CN201710216349A CN106945622A CN 106945622 A CN106945622 A CN 106945622A CN 201710216349 A CN201710216349 A CN 201710216349A CN 106945622 A CN106945622 A CN 106945622A
- Authority
- CN
- China
- Prior art keywords
- stf
- encapsulated layer
- bar
- end cap
- link structure
- 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
Links
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
- B60R19/18—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
- B60R19/20—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 containing mainly gas or liquid, e.g. inflatable
-
- 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
Abstract
This application discloses a kind of vehicle bumper; including encapsulated layer, installing plate, forward retainer ring, bar, reverse bar, short rotating shaft, long rotating shaft, T-shaped sliding block, guide rail, trip bolt, STF, end cap, collision prevention girders support frame and shearing enhancing device; the characteristics of with buffer protection superior performance; it can be widely applied to the collision protection field of vehicle, reduction casualties rate and property loss；By the way that STF and multi-link structure are combined, it not only make use of the good energy absorption characteristics that STF has in itself, and utilize the kinetic characteristic of multi-link structure, when impacting generation, other STF participation power consumption process around can driving, improve STF utilization ratio so that STF energy absorbing efficiency is greatly improved；STF has sensitive rapidly reaction to shear strain rate so that bumper can make highly energy-consuming reaction when being impacted in moment, improve the barrier propterty of structure, also reduce the complexity of total.
Description
Technical field
The invention belongs to technical field of automobile parts, and in particular to a kind of vehicle bumper.
Background technology
Bumper is to absorb and slow down foreign impacts power, the safety device of protection vehicle body front and rear part, existing automobile
Bumper, the arc shell structure being typically made up of steel plate punched absorbs collision energy in collision by the deformation of metal, with
Ensure occupant's safety.But existing bumper absorbs consumption collision energy, buffering energy-absorbing effect only by the deformation of housing
It is not satisfactory, it is difficult to which that impact force amplitude is preferably minimized, it largely reducing the security of running car.
The present invention is a kind of New-safety bumper structure combined using multi-link structure and STF liquid phases, and STF liquid is one
Novel intelligent material is planted, this material is nano granule suspension body, and it is very easy to deformation at low shear rates, can be as liquid
Body equally slowly flows；Its apparent viscosity occurs significantly to increase and become viscous when by shock loading, or even is turned by liquid
Turn to class solid-state；It can recover liquid rapidly again after impact revocation, with fast response time, good reversibility, energy absorbing efficiency height etc.
Advantage.Multi-link structure is when by external impact, and driving link starts because obtaining energy, so as to cause entirely to be hinged parallel four
The motion of side shape structure, i.e., so-called ' pulling one hair and move the whole body '.The technical program combines both, not only sharp
The good energy absorption characteristics having in itself with STF liquid, and using the kinetic characteristic of multi-link structure, when impacting generation,
Almost all STF liquid in container can be driven to simultaneously participate in power consumption process, energy absorption efficiency is greatly improved.The insurance
Bumper structure low cost, light weight, environment-friendly, repeatable utilization, before having wide application in the collision protection field of vehicle
Scape.
The content of the invention
The technical problem of solution：The technical problem that the application is solved is that prior art bumper buffering energy-absorbing effect is poor, pacified
The low technical problem of full property, in order to make up the deficiencies in the prior art, the present invention is intended to provide a kind of New-safety bumper structure, the guarantor
Dangerous bumper structure can be attacked and threatened to external world and make a response automatically, while increasing substantially STF energy absorption efficiency, be had
Simple in construction, lightweight, maintenance is simple, the features such as buffering efficiency high.
Technical scheme：A kind of vehicle bumper, including encapsulated layer, installing plate, retainer ring, forward bar, reverse bar, short turn
Axle, long rotating shaft, T-shaped sliding block, guide rail, trip bolt, STF, end cap, collision prevention girders support frame and shearing enhancing device, described envelope
Dress layer is the hardware that one end is not closed, inside is cavity；End cap is nested with the inside of the one end do not closed in encapsulated layer；Collision prevention girders
Support is erected on the outer surface of encapsulated layer；Described installing plate outer face is connected by trip bolt with the inner surface of encapsulated layer
Connect；Retainer ring and guide rail are fixedly mounted on the inner face of installing plate；Described guide rail side is provided with T section notch, notch
Inside it is disposed with one group of T-shaped sliding block；The shearing enhancing device is located on T-shaped sliding block, and the shearing enhancing device is multi link knot
Structure, is made up of one group of forward bar being parallel to each other and one group of reverse bar being parallel to each other；The multi-link structure passes through long rotating shaft
It is connected with T-shaped sliding block, forward bar intersects with reverse bar, forward bar and reverse bar intersection are connected by short rotating shaft, the STF fillings
Inside encapsulated layer.
It is used as a preferred technical solution of the present invention：The multi-link structure divides three layers of arrangement on a mounting board, three layers
Structure is interspersed from top to bottom；
It is used as a preferred technical solution of the present invention：When the multi-link structure is compressed to maximum displacement and encapsulated layer closing
End and end cap are not touched.
It is used as a preferred technical solution of the present invention：Described guide rail two ends are provided with capping.
It is used as a preferred technical solution of the present invention：The end cap outer face is provided with groove, and encapsulated layer passes through with end cap
Trip bolt is fixedly connected；Sealing ring is provided between encapsulated layer and end cap.
It is used as a preferred technical solution of the present invention：Described STF is made up of nano SiO 2 particle and PEG200,
Wherein the volume fraction of nano SiO 2 particle is 28%.
It is used as a preferred technical solution of the present invention：The collision prevention girders support frame is connected with the front longitudinal of car body.
Beneficial effect：1. acted synergistically using multi-link structure and STF, fast response time can be reached, good reversibility,
Energy absorbing efficiency is high, and infrastructure cost is low, light weight, environment-friendly, repeatable the advantages of utilize.
2. the characteristics of with buffer protection superior performance, can be widely applied to the collision protection field of vehicle, personnel are reduced
Casualty rate and property loss.
3. STF compared with other equal quality materials, impact resistance is stronger in terms of shock resistance and energy-absorbing, can absorb
Energy it is more.
4. multi-link structure there are multiple choices in material, size, quantity and structure arrangement, different structure can be met
The demand of bumper.Key point is that this class formation can be so that the STF in encapsulating structure all simultaneously participates in local small range
Interior impact.
5. by the way that STF and multi-link structure are combined, the good energy absorption characteristics that not only make use of STF to have in itself, and
And using the kinetic characteristic of multi-link structure, when impacting generation, other STF of surrounding participation power consumption process can be driven, carried
High STF utilization ratio so that STF energy absorbing efficiency is greatly improved.
6. STF has sensitive rapidly reaction to shear strain rate so that bumper can be in wink when being impacted
Between make highly energy-consuming reaction, improve structure barrier propterty, also reduce the complexity of total.
7. traditional vehicle bumper structure uses homogenous material mostly, and the present invention is tied using multi-link structure with STF phases
A kind of intelligent protection material closed, substantially increases the buffering efficiency of bumper.
Brief description of the drawings
Fig. 1 is the application bumper schematic diagram.
Fig. 2 is the application bumper sectional view.
Fig. 3 is the axonometric projection graph that multi-link structure is arranged in the application bumper body.
Fig. 4 is the axonometric projection graph of the application multi link motion structure.
Description of reference numerals：1st, encapsulated layer, 2, installing plate, 3, retainer ring, 41, forward bar, 42, reverse bar, 5, short rotating shaft,
6th, long rotating shaft, 7, T-shaped sliding block, 8, guide rail, 9, trip bolt, 10, capping, 11, STF, 12, end cap, 13, sealing ring, 14, anticollision
Beam support frame.
Embodiment
The embodiment of the application is described in further detail with reference to Figure of description.Following examples
It will be helpful to those skilled in the art and further understand the application, but do not limit the application in any form.It should be understood that
Be, to those skilled in the art, do not depart from the application design on the premise of, can also make it is some deformation and
Improve.These belong to the protection domain of the application.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of vehicle bumper, including encapsulated layer 1, installing plate 2, forward retainer ring 3, bar
41st, reverse bar 42, short rotating shaft 5, long rotating shaft 6, T-shaped sliding block 7, guide rail 8, trip bolt 9, capping 10, STF11, end cap 12, sealing
Circle 13, collision prevention girders support frame 14 and shearing enhancing device, the STF11 are mixed by nano SiO 2 particle and PEG200 stirrings
Form, the micro-pore diameter of the silica nano material is in 180nm；Described encapsulated layer 1 is that one end is not closed, inside is empty
The hardware of chamber, the inside of encapsulated layer 1 filling STF11；End cap 12 is nested with the inside of the one end do not closed in encapsulated layer 1；Collision prevention girders
Support frame 14 is located on the outer surface of encapsulated layer 1；The described outer face of installing plate 2 passes through trip bolt 9 and the interior table of encapsulated layer 1
Face is connected；The inner face of installing plate 2 is installed with retainer ring 3 and guide rail 8；The described side of guide rail 8 is provided with T section groove
Mouthful, it is disposed with one group of T-shaped sliding block 7 in notch；The shearing enhancing device is located on T-shaped sliding block 7, and the shearing enhancing device is
Multi-link structure, is made up of one group of forward bar 41 being parallel to each other and one group of reverse bar 42 being parallel to each other；The multi link knot
Structure is connected by long rotating shaft 6 with T-shaped sliding block 7, for guiding the motion of multi-link structure planar, forward bar 41 and reverse bar
42 intersect, and forward bar 41 and the intersection of reverse bar 42 are connected by short rotating shaft 5, wherein forward bar 41, reverse bar 42 and the shape of short rotating shaft 5
Secondary into rotating, T-shaped sliding block forms prismatic pair with long rotating shaft 6.
On a mounting board, three-decker is interspersed three layers of arrangement of the multi-link structure point from top to bottom；It is described to connect more
Bar structure compresses are not touched to the blind end and end cap 12 during maximum displacement with encapsulated layer 1.
When the outermost any pin joint of multi-link structure 3 obtains displacement because of collision, due to each connecting rod intersection by
Rotating shaft is connected, therefore all rod members in plane can be driven to move in a circle around the shaft, and now T-shaped sliding block 7 is interior along straight line in guide rail 8
Motion, drives many system of bars to change longitudinal overall dimensions.Thus, multi-link structure 3 has integral telescopic function, and structure is steady
Gu, it is easy for installation.
The outer face of end cap 12 is provided with groove, and encapsulated layer 1 is fixedly connected with end cap 12 by trip bolt 9；Encapsulated layer 1
Sealing ring 13 is provided between end cap 12, to prevent that the STF in cavity from leaking out, capping 10, two are disposed with the two ends of guide rail 8
It is contact connection between person, is coordinated using slight interference.It can prevent that T-shaped sliding block from skidding off from guide rail.
STF11 is made up of nano SiO 2 particle and PEG200, and wherein the volume fraction of nano particle is 28%, and it is made
Standby process is as follows：Take PEG200 to be put into the ball grinder of planetary ball mill, planet is added batch-wise in nano SiO 2 particle
Ground in formula ball mill, until reaching that volume fraction is 28%, grinding after grinding terminates, biased sample is carried out to vacuumize place
Reason, obtains STF；The collision prevention girders support frame 14 is connected with the front longitudinal of car body.
Intelligent protection structure working principle described herein：
Such as Fig. 1 and Fig. 2, when described bumper collides, collision make it that the thin-wall construction in the outside of encapsulated layer 1 is being touched
Hit the plastic deformation of the point of impingement because of metal on the outside of a stress, structure and be recessed, drive the STF11 around pit to participate in work, inhale
Receiving portions energy.Simultaneously as the deformation on the outside of encapsulated layer, any pin joint of multi-link structure outermost layer is because outside is deformed and produces
Raw displacement, drives many system of bars planar to move so that multi-link structure has integral telescopic function, so that around driving
Wider STF participates in power consumption process.Just because of the introducing of multi-link structure, STF utilization ratio is improved so that STF
Energy absorption greatly improve.Meanwhile, the arranging multiplayer bar linkage structure on bumper height direction can be further ensured that
When diverse location produces collision, it can ensure that periphery STF participates in power consumption process as far as possible, lift the barrier propterty of bumper.
The characteristics of with buffer protection superior performance, it can be widely applied to the collision protection field of vehicle, reduction personnel's wound
Die rate and property loss.STF is compared with other equal quality materials, impact resistance is stronger, energy in terms of shock resistance and energy-absorbing
The energy of absorption is more；Multi-link structure has multiple choices in material, size, quantity and structure arrangement, can meet difference
The demand of structural bumper, key point be this class formation can so that the STF in encapsulating structure all simultaneously participate in it is local small
In the range of impact；By the way that STF and multi-link structure are combined, the good energy-absorbing that not only make use of STF to have in itself
Characteristic, and using the kinetic characteristic of multi-link structure, when impacting generation, other STF of surrounding participation power consumption can be driven
Process, improves STF utilization ratio so that STF energy absorbing efficiency is greatly improved；STF has sensitivity to shear strain rate
Rapidly reaction so that bumper can make highly energy-consuming reaction when being impacted in moment, improve the barrier propterty of structure,
Also reduce the complexity of total；Traditional vehicle bumper structure uses homogenous material mostly, and the present invention is used and connected more
A kind of intelligent protection material that bar structure and STF are combined, substantially increases the buffering efficiency of bumper.
Embodiment 2
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of vehicle bumper, including encapsulated layer 1, installing plate 2, forward retainer ring 3, bar
41st, reverse bar 42, short rotating shaft 5, long rotating shaft 6, T-shaped sliding block 7, guide rail 8, trip bolt 9, capping 10, STF11, end cap 12, sealing
Circle 13, collision prevention girders support frame 14 and shearing enhancing device, the STF11 are mixed by nano SiO 2 particle and PEG200 stirrings
Form, the micro-pore diameter of the silica nano material is in 220nm；Described encapsulated layer 1 is that one end is not closed, inside is empty
The hardware of chamber, the inside of encapsulated layer 1 filling STF11；End cap 12 is nested with the inside of the one end do not closed in encapsulated layer 1；Collision prevention girders
Support frame 14 is located on the outer surface of encapsulated layer 1；The described outer face of installing plate 2 passes through trip bolt 9 and the interior table of encapsulated layer 1
Face is connected；The inner face of installing plate 2 is installed with retainer ring 3 and guide rail 8；The described side of guide rail 8 is provided with T section groove
Mouthful, it is disposed with one group of T-shaped sliding block 7 in notch；The shearing enhancing device is located on T-shaped sliding block 7, and the shearing enhancing device is
Multi-link structure, is made up of one group of forward bar 41 being parallel to each other and one group of reverse bar 42 being parallel to each other；The multi link knot
Structure is connected by long rotating shaft 6 with T-shaped sliding block 7, for guiding the motion of multi-link structure planar, forward bar 41 and reverse bar
42 intersect, and forward bar 41 and the intersection of reverse bar 42 are connected by short rotating shaft 5, wherein forward bar 41, reverse bar 42 and the shape of short rotating shaft 5
Secondary into rotating, T-shaped sliding block forms prismatic pair with long rotating shaft 6.
On a mounting board, three-decker is interspersed three layers of arrangement of the multi-link structure point from top to bottom；It is described to connect more
Bar structure compresses are not touched to the blind end and end cap 12 during maximum displacement with encapsulated layer 1.
When the outermost any pin joint of multi-link structure 3 obtains displacement because of collision, due to each connecting rod intersection by
Rotating shaft is connected, therefore all rod members in plane can be driven to move in a circle around the shaft, and now T-shaped sliding block 7 is interior along straight line in guide rail 8
Motion, drives many system of bars to change longitudinal overall dimensions.Thus, multi-link structure 3 has integral telescopic function, and structure is steady
Gu, it is easy for installation.
The outer face of end cap 12 is provided with groove, and encapsulated layer 1 is fixedly connected with end cap 12 by trip bolt 9；Encapsulated layer 1
Sealing ring 13 is provided between end cap 12, to prevent that the STF in cavity from leaking out, capping 10, two are disposed with the two ends of guide rail 8
It is contact connection between person, is coordinated using slight interference.It can prevent that T-shaped sliding block from skidding off from guide rail.
STF11 is made up of nano SiO 2 particle and PEG200, and wherein the volume fraction of nano particle is 28%, and it is made
Standby process is as follows：Take PEG200 to be put into the ball grinder of planetary ball mill, planet is added batch-wise in nano SiO 2 particle
Ground in formula ball mill, until reaching that volume fraction is 28%, grinding after grinding terminates, biased sample is carried out to vacuumize place
Reason, obtains STF；The collision prevention girders support frame 14 is connected with the front longitudinal of car body.
Intelligent protection structure working principle described herein：
Such as Fig. 1 and Fig. 2, when described bumper collides, collision make it that the thin-wall construction in the outside of encapsulated layer 1 is being touched
Hit the plastic deformation of the point of impingement because of metal on the outside of a stress, structure and be recessed, drive the STF11 around pit to participate in work, inhale
Receiving portions energy.Simultaneously as the deformation on the outside of encapsulated layer, any pin joint of multi-link structure outermost layer is because outside is deformed and produces
Raw displacement, drives many system of bars planar to move so that multi-link structure has integral telescopic function, so that around driving
Wider STF participates in power consumption process.Just because of the introducing of multi-link structure, STF utilization ratio is improved so that STF
Energy absorption greatly improve.Meanwhile, the arranging multiplayer bar linkage structure on bumper height direction can be further ensured that
When diverse location produces collision, it can ensure that periphery STF participates in power consumption process as far as possible, lift the barrier propterty of bumper.
The characteristics of with buffer protection superior performance, it can be widely applied to the collision protection field of vehicle, reduction personnel's wound
Die rate and property loss.STF is compared with other equal quality materials, impact resistance is stronger, energy in terms of shock resistance and energy-absorbing
The energy of absorption is more；Multi-link structure has multiple choices in material, size, quantity and structure arrangement, can meet difference
The demand of structural bumper, key point be this class formation can so that the STF in encapsulating structure all simultaneously participate in it is local small
In the range of impact；By the way that STF and multi-link structure are combined, the good energy-absorbing that not only make use of STF to have in itself
Characteristic, and using the kinetic characteristic of multi-link structure, when impacting generation, other STF of surrounding participation power consumption can be driven
Process, improves STF utilization ratio so that STF energy absorbing efficiency is greatly improved；STF has sensitivity to shear strain rate
Rapidly reaction so that bumper can make highly energy-consuming reaction when being impacted in moment, improve the barrier propterty of structure,
Also reduce the complexity of total；Traditional vehicle bumper structure uses homogenous material mostly, and the present invention is used and connected more
A kind of intelligent protection material that bar structure and STF are combined, substantially increases the buffering efficiency of bumper.
Embodiment 3
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of vehicle bumper, including encapsulated layer 1, installing plate 2, forward retainer ring 3, bar
41st, reverse bar 42, short rotating shaft 5, long rotating shaft 6, T-shaped sliding block 7, guide rail 8, trip bolt 9, capping 10, STF11, end cap 12, anticollision
Beam support frame 14 and shearing enhancing device, the STF11 are mixed by nano SiO 2 particle and PEG200 stirrings, described
The micro-pore diameter of silica nano material is in 200nm；Described encapsulated layer 1 is the metal that one end is not closed, inside is cavity
Component, the inside of encapsulated layer 1 filling STF11；End cap 12 is nested with the inside of the one end do not closed in encapsulated layer 1；Collision prevention girders support frame 14
On the outer surface for being located at encapsulated layer 1；The described outer face of installing plate 2 is connected by trip bolt 9 with the inner surface of encapsulated layer 1
Connect；The inner face of installing plate 2 is installed with retainer ring 3 and guide rail 8；The described side of guide rail 8 is provided with T section notch, groove
It is intraoral to be disposed with one group of T-shaped sliding block 7；The shearing enhancing device is located on T-shaped sliding block 7, and the shearing enhancing device is to connect more
Bar structure, is made up of one group of forward bar 41 being parallel to each other and one group of reverse bar 42 being parallel to each other；The multi-link structure leads to
Long rotating shaft 6 is connected with T-shaped sliding block 7, for guiding the motion of multi-link structure planar, forward bar 41 and the reverse phase of bar 42
Hand over, forward bar 41 and the intersection of reverse bar 42 are connected by short rotating shaft 5, wherein forward bar 41, reverse bar 42 and the formation of short rotating shaft 5 turn
Dynamic pair, T-shaped sliding block forms prismatic pair with long rotating shaft 6.
On a mounting board, three-decker is interspersed three layers of arrangement of the multi-link structure point from top to bottom；It is described to connect more
Bar structure compresses are not touched to the blind end and end cap 12 during maximum displacement with encapsulated layer 1.
When the outermost any pin joint of multi-link structure 3 obtains displacement because of collision, due to each connecting rod intersection by
Rotating shaft is connected, therefore all rod members in plane can be driven to move in a circle around the shaft, and now T-shaped sliding block 7 is interior along straight line in guide rail 8
Motion, drives many system of bars to change longitudinal overall dimensions.Thus, multi-link structure 3 has integral telescopic function, and structure is steady
Gu, it is easy for installation.
The outer face of end cap 12 is provided with groove, and encapsulated layer 1 is fixedly connected with end cap 12 by trip bolt 9；Encapsulated layer 1
Sealing ring 13 is provided between end cap 12, to prevent that the STF in cavity from leaking out, capping 10, two are disposed with the two ends of guide rail 8
It is contact connection between person, is coordinated using slight interference.It can prevent that T-shaped sliding block from skidding off from guide rail.
STF11 is made up of nano SiO 2 particle and PEG200, and wherein the volume fraction of nano particle is 28%, and it is made
Standby process is as follows：Take PEG200 to be put into the ball grinder of planetary ball mill, planet is added batch-wise in nano SiO 2 particle
Ground in formula ball mill, until reaching that volume fraction is 28%, grinding after grinding terminates, biased sample is carried out to vacuumize place
Reason, obtains STF；The collision prevention girders support frame 14 is connected with the front longitudinal of car body.
Intelligent protection structure working principle described herein：
Such as Fig. 1 and Fig. 2, when described bumper collides, collision make it that the thin-wall construction in the outside of encapsulated layer 1 is being touched
Hit the plastic deformation of the point of impingement because of metal on the outside of a stress, structure and be recessed, drive the STF11 around pit to participate in work, inhale
Receiving portions energy.Simultaneously as the deformation on the outside of encapsulated layer, any pin joint of multi-link structure outermost layer is because outside is deformed and produces
Raw displacement, drives many system of bars planar to move so that multi-link structure has integral telescopic function, so that around driving
Wider STF participates in power consumption process.Just because of the introducing of multi-link structure, STF utilization ratio is improved so that STF
Energy absorption greatly improve.Meanwhile, the arranging multiplayer bar linkage structure on bumper height direction can be further ensured that
When diverse location produces collision, it can ensure that periphery STF participates in power consumption process as far as possible, lift the barrier propterty of bumper.
The characteristics of with buffer protection superior performance, it can be widely applied to the collision protection field of vehicle, reduction personnel's wound
Die rate and property loss.STF is compared with other equal quality materials, impact resistance is stronger, energy in terms of shock resistance and energy-absorbing
The energy of absorption is more；Multi-link structure has multiple choices in material, size, quantity and structure arrangement, can meet difference
The demand of structural bumper, key point be this class formation can so that the STF in encapsulating structure all simultaneously participate in it is local small
In the range of impact；By the way that STF and multi-link structure are combined, the good energy-absorbing that not only make use of STF to have in itself
Characteristic, and using the kinetic characteristic of multi-link structure, when impacting generation, other STF of surrounding participation power consumption can be driven
Process, improves STF utilization ratio so that STF energy absorbing efficiency is greatly improved；STF has sensitivity to shear strain rate
Rapidly reaction so that bumper can make highly energy-consuming reaction when being impacted in moment, improve the barrier propterty of structure,
Also reduce the complexity of total；Traditional vehicle bumper structure uses homogenous material mostly, and the present invention is used and connected more
A kind of intelligent protection material that bar structure and STF are combined, substantially increases the buffering efficiency of bumper.
The foregoing is intended to be a preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
The specific embodiment of the application is described above.It is to be appreciated that the application be not limited to it is above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substance of the application.
Claims (8)
1. a kind of vehicle bumper, it is characterised in that：Including encapsulated layer（1）, installing plate（2）, retainer ring（3）, forward bar（41）、
Reverse bar（42）, short rotating shaft（5）, long rotating shaft（6）, T-shaped sliding block（7）, guide rail（8）, trip bolt（9）、STF（11）, end cap
（12）, collision prevention girders support frame（14）With shearing enhancing device, described encapsulated layer（1）Do not closed for one end, inside is cavity
Hardware；End cap（12）It is nested with encapsulated layer（1）On the inside of the one end do not closed；Collision prevention girders support frame（14）It is located at encapsulated layer
（1）Outer surface on；Described installing plate（2）Outer face passes through trip bolt（9）With encapsulated layer（1）Inner surface be connected；
Retainer ring（3）And guide rail（8）It is fixedly mounted on installing plate（2）Inner face on；Described guide rail（8）Side is provided with T section
One group of T-shaped sliding block is disposed with notch, notch（7）；The shearing enhancing device is located at T-shaped sliding block（7）On, the shearing synergy
Device is multi-link structure, the forward bar being parallel to each other by one group（41）With one group of reverse bar being parallel to each other（42）Composition；Institute
State multi-link structure and pass through long rotating shaft（6）With T-shaped sliding block（7）It is connected, forward bar（41）With reverse bar（42）Intersect, forward bar
（41）With reverse bar（42）Intersection is by short rotating shaft（5）Connection, the STF（11）It is filled in encapsulated layer（1）It is internal.
2. vehicle bumper according to claim 1, it is characterised in that：Three layers of the multi-link structure point is arranged in installation
On plate, three-decker is interspersed from top to bottom.
3. vehicle bumper according to claim 1, it is characterised in that：When the multi-link structure is compressed to maximum displacement
With encapsulated layer（1）Blind end and end cap（12）Do not touch.
4. vehicle bumper according to claim 1, it is characterised in that：Described guide rail（8）Two ends are provided with capping（10）.
5. vehicle bumper according to claim 1, it is characterised in that：The end cap（12）Outer face is provided with groove, envelope
Fill layer（1）With end cap（12）It is fixedly connected by trip bolt；Encapsulated layer（1）With end cap（12）Between be provided with sealing ring（13）.
6. vehicle bumper according to claim 1, it is characterised in that：Described STF（11）By silica nanometer
Grain and PEG200 compositions, the wherein volume fraction of nano SiO 2 particle are 28%.
7. vehicle bumper according to claim 6, it is characterised in that：The micro-pore diameter of the silica nano material
In 180-220nm.
8. vehicle bumper according to claim 1, it is characterised in that：The collision prevention girders support frame（14）Before car body
Longeron is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216349.2A CN106945622B (en) | 2017-04-05 | 2017-04-05 | A kind of vehicle bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216349.2A CN106945622B (en) | 2017-04-05 | 2017-04-05 | A kind of vehicle bumper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106945622A true CN106945622A (en) | 2017-07-14 |
| CN106945622B CN106945622B (en) | 2019-01-29 |
Family
ID=59475198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216349.2A Expired - Fee Related CN106945622B (en) | 2017-04-05 | 2017-04-05 | A kind of vehicle bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106945622B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108909663A (en) * | 2018-07-25 | 2018-11-30 | 吉林大学 | Vehicle and its bumper bar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040173422A1 (en) * | 2003-03-03 | 2004-09-09 | Massachusette Institute Of Technology | Fluid-filled cellular solids for controlled |
| CN202987032U (en) * | 2012-12-18 | 2013-06-12 | 北京汽车股份有限公司 | Vehicle bumper and vehicle |
| CN104476828A (en) * | 2014-11-28 | 2015-04-01 | 中国科学院力学研究所 | Sandwich energy-absorbing device |
| CN204296626U (en) * | 2014-12-02 | 2015-04-29 | 北京汽车研究总院有限公司 | A kind of bumper/spoiler assembly |
| CN205524086U (en) * | 2016-04-21 | 2016-08-31 | 青岛第二实验初级中学 | On -vehicle safety arrangement |
-
2017
- 2017-04-05 CN CN201710216349.2A patent/CN106945622B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040173422A1 (en) * | 2003-03-03 | 2004-09-09 | Massachusette Institute Of Technology | Fluid-filled cellular solids for controlled |
| CN202987032U (en) * | 2012-12-18 | 2013-06-12 | 北京汽车股份有限公司 | Vehicle bumper and vehicle |
| CN104476828A (en) * | 2014-11-28 | 2015-04-01 | 中国科学院力学研究所 | Sandwich energy-absorbing device |
| CN204296626U (en) * | 2014-12-02 | 2015-04-29 | 北京汽车研究总院有限公司 | A kind of bumper/spoiler assembly |
| CN205524086U (en) * | 2016-04-21 | 2016-08-31 | 青岛第二实验初级中学 | On -vehicle safety arrangement |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108909663A (en) * | 2018-07-25 | 2018-11-30 | 吉林大学 | Vehicle and its bumper bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106945622B (en) | 2019-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103883658B (en) | Nano-porous material energy absorption structure packaged by high polymer materials | |
| CN106672010A (en) | Motor train unit head train passive safety protection device | |
| CN103899702B (en) | A kind of nano-porous materials endergonic structure based on Metal Packaging | |
| CN106347265B (en) | A kind of extension energy-storage type automobile front beam | |
| CN206141628U (en) | Strike energy -absorbing device and vehicle | |
| CN202987032U (en) | Vehicle bumper and vehicle | |
| CN106945622A (en) | A kind of vehicle bumper | |
| CN206704137U (en) | One kind buffering accumulation of energy extensional mode automobile front beam | |
| CN110316124A (en) | A kind of vehicle bumper systems of foamed aluminium filling | |
| CN211032479U (en) | Racing car bumper with buffer mechanism | |
| CN206552049U (en) | A kind of anti-climbing energy-absorbing device for the vehicles | |
| CN206170003U (en) | Novel nailing gun | |
| CN106988241B (en) | Surge guard structure and its application based on STF | |
| CN106240595B (en) | A kind of collision energy-absorbing device used for rail vehicle | |
| CN204664286U (en) | A kind of industrial row vehicle shock-absorbing device | |
| CN210970943U (en) | Drum-type anti-collision beam | |
| CN206537116U (en) | A kind of side door beams with energy absorber | |
| CN202593433U (en) | Damping and buffering device of cleaning machine | |
| CN109591738B (en) | Automobile anti-collision structure assembly | |
| CN206186957U (en) | Single gas formula hydraulic pressure car bumper | |
| CN207960095U (en) | A kind of lateral cushioning formula falling proof device | |
| CN108953450A (en) | A kind of shock resistance energy absorbing structure | |
| CN206654016U (en) | A kind of small damping formula collision energy-absorbing device | |
| CN206067769U (en) | A kind of buffering energy-absorbing system | |
| CN206031495U (en) | A vehicle that is used for bumper assembly of vehicle and has it |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181212 Address after: No. 29, Qinhuai District, Qinhuai District, Nanjing, Jiangsu Applicant after: Nanjing University of Aeronautics and Astronautics Address before: Room 1612, Rhineplatinum County Building, 228 Tianyuan East Road, Jiangning District, Nanjing City, Jiangsu Province Applicant before: Chen Qian |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |