CN104210553B - Front part of vehicle part-structure - Google Patents
Front part of vehicle part-structure Download PDFInfo
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- CN104210553B CN104210553B CN201410240986.XA CN201410240986A CN104210553B CN 104210553 B CN104210553 B CN 104210553B CN 201410240986 A CN201410240986 A CN 201410240986A CN 104210553 B CN104210553 B CN 104210553B
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- vehicle
- impact
- impact absorbing
- body unit
- rigid body
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Abstract
A kind of front part of vehicle part-structure, including: car body forms part, and when vehicle generation front impact, car body forms part and is suitable to deforming in the relative direction of retreat of car room；Rigid body unit, rigid body unit is arranged on the front of car room and is suitable to form the deformation of part along with car body and relatively retreat relative to car room；And impact absorbing bracket, impact absorbing bracket is arranged on rigid body unit that the rear of rigid body unit and being suitable to retreated by reception in the direction of advance of vehicle and deforms.
Description
Technical field
The present invention relates to a kind of collision being applied to passenger when vehicle front side collides for reduction
The front part of vehicle part-structure of acceleration.
Background technology
In order to reduce the impact being applied to passenger when vehicle generation front impact, it is currently known a kind of logical
Cross permission frame distortion to absorb the technology of collision energy.Specifically, collision energy is changed into for
Make the load of frame distortion and change into the displacement of vehicle frame.Therefore, while frame distortion,
Decrease the impact being applied to passenger.
Front part of vehicle part-structure disclosed in JP-A-2010-83257 has and is arranged on below front side frame
Subrack.These subracks are connected to downwardly extend from the front end of the front end of forward right side frame and left front side frame
Bracket.Meanwhile, subrack is connected to below front side frame by impact load Transmission Part, and these collide load
Lotus Transmission Part from the paired linea angulata of the part engaged by bracket of these subracks ground upwards, extend back.?
In each front side frame, from its front end until the scope of the position of engagement impacts load Transmission Part is arranged to
Flexing district (buckling area), and from the position of engagement impacts load Transmission Part scope quilt backward
It is set to bend district (flexing area).The flexing district of front side frame receives touching of front impact at front side frame
Flexing when hitting load, and then, flexure district is dimensionally bent, thus absorbs collision energy.Tool
Body ground, in the front part of vehicle part-structure disclosed in JP-A-2010-83257, in order at telegram bar
(telegram pole) etc. and vehicle are between right-hand member (side member) and left-side member
In region, (that is, the middle body of vehicle) collides in the case of (so-called " bar collision ")
The purpose of protection engine, is transferred to front side frame by impact load Transmission Part by collision energy.
Incidentally, in the case of vehicle generation front impact, car body deformed to inhale in the starting stage
Receive collision energy.And, even if passenger is with belt, passenger also can move forward from seat, because of
This, the collision energy being applied to passenger is relatively small.Along with car body continues deformation, absorbing impact energy
The number of these components that amount can deform simultaneously reduces.Therefore, the front part of vehicle becomes more
Rigidity, and the deflection minimizing of car body.Therefore, in the later stage of front impact, it is applied to passenger's
The ratio of collision energy increases.
In order to absorb the collision energy of front impact, need to start to collision to terminate to allow car body from collision
The deforming stroke (deforming stroke) of continuous modification.Type according to vehicle adjusts outside vehicle
Portion's size.For standard automobile, it is possible to easily the front in car room is provided for absorbing front impact
Collision energy needed for deforming stroke, guarantee that space, car room is enough simultaneously.On the other hand, for little
Type automobile or light-duty vehicle, because the external dimensions of regulation is less than the outside chi of the regulation of standard automobile
Very little, thus guarantee space, car room as the scope of standard automobile big in the case of, be difficult to arrange use
In absorbing the deforming stroke needed for collision energy.In this case it is necessary to effectively absorb impact energy
Amount, even if deforming stroke is shorter.
Summary of the invention
Based on the above, it is an object of the invention to provide a kind of in the late stage of front impact i.e.
The short deforming stroke of use also is able to reduce the front part of vehicle portion of the crash acceleration being applied to passenger
Separation structure.
In order to realize above-mentioned target, provide a kind of front part of vehicle part-structure according to the present invention, wherein wrap
Including: car body forms part, when vehicle generation front impact, car body formation part is suitable in the phase towards car room
Upwardly-deformed to the side retreated；Rigid body unit, rigid body unit is arranged on the front of car room,
And rigid body is suitable to be formed along with car body the deformation of part and relatively retreats relative to car room；And impact
Absorbing bracket, impact absorbing bracket is arranged on the rear of rigid body in the direction of advance of vehicle,
And impact absorbing bracket is suitable to the rigid body unit that retreated by reception and deforms.
Vehicle according to the invention front part structure, when vehicle generation front impact, car body is formed
Part deforms, and therefore, rigid body unit retreats relatively relative to car room.Then, impact absorbing bracket
Receive the rigid body unit retreated, and impact absorbing bracket also deforms.Due to impact absorbing bracket
Deformation, can absorb collision energy thereby through deflection.Because for absorbing the purpose impacted, punching
Hit absorption bracket to be configured to separate with car body formation part, it is possible to corresponding to impact energy to be absorbed
Amount arranges the hardness of impact absorbing bracket.
In the present invention, at least front impact from start to terminate the first half time period in, punching
Hit and absorb bracket and can be deformed by rigid body unit that reception retreats.
Vehicle according to the invention front part structure, wherein, impact absorbing bracket is arranged at least exist
The rigid body list retreated by reception in beginning to the first half time period terminated of front impact
Unit and deform, thus can absorb more within the first half time period that car body deforms because of front impact
Collision energy.Therefore, continue deformation at car body and start the later half time period that passenger is exerted one's influence
In, the amount of collision energy to be absorbed reduces, and alleviates the load on passenger.
In the present invention, car body forms the side member that part can be the direction of advance setting along vehicle, should
Side member can be provided with the collet (mount) for supporting power set (power plant), just
Property body unit can be arranged in above side member and in the front of collet, and impact absorbing bracket
Can be arranged between rigid body unit and collet.
Vehicle according to the invention front part structure, wherein, car body forms part and is provided with for propping up
The side member of the collet of racking power apparatus, and impact absorbing bracket arrangement is at rigid body unit and the end
Between torr, it is arranged in above side member and in the case of the front of collet at rigid body unit, can
To support impact absorbing bracket rigidly so that impact absorbing bracket is due to the rigid body unit retreated
And deform.And, the load being transferred to impact absorbing bracket can be transferred to side member via collet,
Therefore, it can make impact absorbing bracket absorb bigger collision energy.
In the present invention, collet can include its center axis along vehicle horizontal direction arrange and
It is fixed to the outer tube of side member, and impact absorbing bracket can be fixed to this outer tube.
Vehicle according to the invention front part structure, wherein, collet includes that its center axis is along car
The outer tube arranged of horizontal direction, and impact absorbing bracket is fixed to this outer tube, via collet from
Impact absorbing bracket is transferred to the input direction of the load of side member can easily be arranged to previous
The direction determined.
In the present invention, impact absorbing bracket can be arranged in position more higher than the central axis of outer tube
Place.
Vehicle according to the invention front part structure, wherein, impact absorbing bracket arrangement is than outer tube
The higher position of central axis, via impact absorbing bracket can easily by impact load from cloth
Put the rigid body unit above side member and be transferred to side member.And, put down at rigid body unit
Row in side member and along side member retreat in the case of because impact absorbing bracket is along collet
Outer tube is arranged, it is possible to arrange bigger deforming stroke.
Accompanying drawing explanation
Fig. 1 shows the front part of vehicle part-structure being provided with according to the first embodiment of the invention
The perspective view of vehicle.
Fig. 2 is the perspective view of front part of vehicle part-structure in Fig. 1.
The plane graph of front part of vehicle part-structure in Fig. 2 when Fig. 3 is viewed from above.
The side view of front part of vehicle part-structure Fig. 2 when Fig. 4 is viewing in the middle of vehicle.
Fig. 5 is front part of vehicle part-structure in Fig. 4 of the centrage intercepting of impact absorbing bracket
Sectional view.
Fig. 6 shows front part of vehicle part in due to Fig. 5 front impact deforms
The diagram of structure.
Fig. 7 shows and front part of vehicle part-structure in Fig. 5 is occurring before and after front impact
The diagram of the external shape of side member.
Fig. 8 shows and is applied to car when front part of vehicle part-structure generation front impact in Fig. 5
Relationship graph between crash acceleration and the deflection of room.
Detailed description of the invention
Front part of vehicle part-structure in describing according to the embodiment of the present invention referring to figs. 1 to Fig. 8
10.When describing embodiments of the present invention, for ease of understanding the present invention, before vehicle
Define "front", "rear", " right " and " left " direction with entering direction relative property.And, vehicle
Horizontal direction on center side be defined as " internal ", and the both sides away from vehicle are defined as
" outside ".And, define " top " and " lower section " relative to gravity direction.
Vehicle 1 shown in Fig. 1 has car body 2, in car body as power set engine and
Variator (transmission, actuating device) is arranged on the front side of car room 20.Car room 20 includes:
Car body forms part, a pair right-hand member such as arranged and left-side member along the direction of advance of vehicle
21；Cross member, cross member connects side member 21 in the lateral direction of the vehicle；Floor (floor
Panel), floor primarily forms the ground of car room 20；Outside plate 22, outside plate forms the outside of car body 2；
Inner panel, inner panel forms the inside of car body 2；Reinforcement, reinforcement is inserted between outside plate and inner panel,
And it is included in the bonding part between side member and cross member, etc..
As it is shown in figure 1, the front part of side member 21 is along the engine chamber 2A comprising power set etc.
Both sides arrange.The rear portion of side member 21 starts below car room 20 from side member middle body
Extend back from buffer board (dash panel) position.Arrange for supporting the collet 23 of power set
On the upper wall 21A of side member 21.
Each having in collet 23: outer tube 231, horizontal along vehicle of the central axis of outer tube
Direction is arranged；Stem stem (stem) 232, stem stem is arranged along the central axis of this outer tube 231；With
And slider (insulator) 233, slider is arranged between outer tube 231 and stem stem 232 for inhaling
Receive vibration and moment of torsion.As it is shown on figure 3, when direct seen from above time, the inner face of outer tube 231 refers to
Forwards.Outer tube 231 is fixed to side member 21 by bracket 234, this bracket at front side and after
The outer peripheral face of outer tube it is bonded at side.
And, collet 23 has the pop-up of the periphery wall being fixed in the top of outer tube by welding
Frame 235.As shown in Figures 2 and 3, bracket 235 is connected to car body 2 by connecting bracket 236
Formed wheel proloculum 24 part.As shown in Figures 2 and 3, bracket 236 is connected at vehicle interior
Extend across bracket 235.It is attached to connect bracket 236 from top for loading the pallet 51 of battery
Distal portions.As shown in Figure 4, this pallet 51 is kept by Support bracket 52, and Support bracket is the end of at
Hold in the palm and at the region at 23 rears, be attached to side member 21.
In engine chamber 2A, except being the most integrally assembled with engine and the power set of variator entirety
Outside, additionally provide the auxiliary equipment being integrally assembled to power set, such as, be used for making cooling water follow
The water pump of ring, for making the oil pump of lubrication oil circulation, and provide the auxiliary relevant with power set
Equipment (such as, radiator, oil filter) or for controlling the anti-locking brakes of car braking
(ABS) hydraulic pressure unit 31, battery etc..
The hydraulic pressure unit 31 of ABS is that by cutting or casting, having of being formed is high by aluminium alloy
One in the rigid body unit of rigidity.As shown in Figures 2 to 4, this hydraulic pressure unit 31 is arranged
Above side member 21 at the left front being positioned at vehicle 1, and by being fixed to side member 21
Support bracket 32 keep.And, as in figure 2 it is shown, hydraulic pressure unit 31 is positioned in pillar tower (strut
Tower) front of 25.As it is shown on figure 3, the control unit 33 of ABS is relative to hydraulic pressure unit 31
And it is attached to the inner side of vehicle.Control unit 33 its point to outside vehicle face on be provided with for
Connecting the adapter 331 of cable, wherein these cables are connected to the ECU of this vehicle 1 and corresponding car
The velocity sensor of wheel.
As shown in Figures 1 to 5, impact absorbing bracket 40 is arranged on hydraulic pressure unit 31 and collet 23
Between.This impact absorbing bracket 40 includes: front butted part 41, and front butted part is adjacent to hydraulic pressure
The rear end face of unit 31 is arranged；Flection part 42, flection part has and is perpendicular to hydraulic pressure unit 31
The central axis of rear end face；And rear support bracket 43, rear support bracket is used for keeping front docking section
Points 41 and flection part 42.As shown in Figures 2 and 3, rear support bracket 43 has from flection part
The fixed lobe 431 that 42 extend back with relative to fixed lobe 431 at relative side (that is, to
Vehicle interior) registration arm 432 that extends.As shown in Figures 2 to 5, fixed lobe 431 is fixed on
Bracket 235 and connect the position that bracket 236 is connected to each other, with bracket and be connected bracket use
Same screw fastens.As shown in Figures 2 and 3, registration arm 432 with from bracket 235 to vehicle 1
The front edge abutting connecting bracket 236 of interior extension, thus butted part 41 and flexing portion before limiting
Divide the direction of 42.Meanwhile, impact absorbing bracket 40 is arranged in ratio in the outer tube 231 of collet 23
The higher position of mandrel line.More specifically, the center of the flection part 42 of impact absorbing bracket 40
Axis location is in the higher position of central axis of the outer tube 231 than collet 23.
The front part of vehicle part-structure 10 with structure described above includes that car body forms part, rigidity originally
Body unit and impact absorbing bracket.In the case of vehicle 1 occurs front impact, car body forms part
Upwardly-deformed in the side relatively retreated towards car room 20.In the present embodiment, car room 20 it is positioned at
The side member 21 in front form part corresponding to vehicle.Rigid body unit is disposed in car room 20
Front, and when vehicle forms part deformation, rigid body unit retreats relatively relative to car room 20.
In the present embodiment, side member 21 hydraulic pressure unit 31 supported is corresponding to rigid body unit.
Impact absorbing bracket is arranged in the rear of rigid body unit in vehicle forward direction, and impacts suction
Rigid body unit that frame of admitting a child into a nursery school is retreated by reception and deform.In the present embodiment, impact absorbing
Bracket 40 is positioned at the rear of the hydraulic pressure unit 31 as rigid body unit, and rear support bracket
43 are fixed to collet 23.Therefore, in the case of when front impact, hydraulic pressure unit 31 retreats, impact
Absorb bracket 40 to deform by receiving hydraulic pressure unit 31.In short, impact absorbing bracket 40 is right
Should be in the impact absorbing bracket of front part of vehicle part-structure 10.
In the front part of vehicle part-structure 10 of present embodiment, hydraulic pressure unit 31 and impact absorbing torr
Frame 40 is arranged under state as shown in Figure 5.When vehicle 1 occurs front impact, as car body
The side member 21 of the example forming part is upwardly-deformed in the side relatively retreated towards car room 20, therefore,
Hydraulic pressure unit 31 as the example of rigid body unit retreats relatively also relative to car room 20.Impact
Absorb bracket 40 and receive the hydraulic pressure unit 31 retreated.When side member 21 deforms further, hydraulic pressure list
Unit 31 retreats.Therefore, impact absorbing bracket 40 quilt while receiving the load of hydraulic pressure unit 31
Promote backward, and bracket 235 and connection bracket 236 deform.After impact absorbing bracket 40
After moving back until making the lower limb of rear support bracket 43 contact with the outer tube 231 of collet 23, in impact
In the case of absorption bracket receives load further, flection part 42 is deformed into shape as shown in Figure 6
State, thus absorb collision energy.
Impact absorbing bracket 40 is positioned in the front of engine chamber 2A and is at least colliding wall from wall
Beginning to starting deformation in the first half time period terminated.Therefore, starting taking advantage of in car room 20
Visitor applies the starting stage of crash acceleration, and impact absorbing bracket 40 absorbs collision energy.Therefore,
As it is shown in fig. 7, allow the change that side member 21 deforms backward towards car room 20 when there is front impact
Shape stroke diminishes, and on front side of car room, the deflection of the buffer board 26 at place also reduces.In the figure 7,
Solid line represents the side member 21 before colliding and buffer board 26, and chain line represents in offer
Present embodiment occurs in the case of front part of vehicle part-structure the side member 21 after front impact
With buffer board 26.And, dotted line represents front part of vehicle part-structure in not providing present embodiment
In the case of the buffer board 26 that deforms due to front impact.
Fig. 8 shows that the beginning from front impact is applied to touching of seating passengers position to terminal procedure
Hit the relation between acceleration and its displacement (that is, car body deflection).Deflection increase means
Front impact is proceeding.Finding that crash acceleration increases the amount of (PI) is impact absorbing bracket 40
From the amount starting to deform to the first half time period terminated of front impact, i.e. absorb collision energy
Amount, and the crash acceleration being applied to passenger within the later half time period of front impact can reduce
(P2).Additionally, because reduce in final stage crash acceleration, so the deflection of car body also subtracts
Few (P3).Because impact absorbing bracket 40 absorbs collision energy, so the deflection of side member 21
Reduce.I.e., it is possible to shorten the deforming stroke needing to absorb collision energy.
Claims (4)
1. a front part of vehicle part-structure, described front part of vehicle part-structure includes:
Car body forms part, and when vehicle generation front impact, described car body forms part and is suitable to
The side relatively retreated towards car room is upwardly-deformed；
Rigid body unit, described rigid body unit is arranged on the front of described car room also
And the deformation being suitable to be formed part along with described car body retreats relatively relative to described car room；And
Impact absorbing bracket, described impact absorbing bracket quilt in the direction of advance of described vehicle
It is arranged on the rear of described rigid body unit and is suitable to the described rigidity retreated by reception
Body unit and deform,
It is characterized in that,
Described car body forms the side member that part is the direction of advance setting along described vehicle；
Described side member is provided with the collet for supporting power set；
Described rigid body unit is disposed in above described side member and at described collet
Front；And
Described impact absorbing bracket arrangement is between described rigid body unit and described collet.
Front part of vehicle part-structure the most according to claim 1, it is characterised in that:
At least within the first half time period from start to end of described front impact, described
Described rigid body unit that impact absorbing bracket is retreated by reception and deform.
Front part of vehicle part-structure the most according to claim 1 and 2, it is characterised in that:
Described collet includes the central axis outer tube along the horizontal direction layout of described vehicle,
And described outer tube is fixed to described side member；And
Described impact absorbing bracket is fixed to described outer tube.
Front part of vehicle part-structure the most according to claim 3, is characterised by:
Described impact absorbing bracket is disposed in position more higher than the central axis of described outer tube
Place.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-116197 | 2013-05-31 | ||
| JP2013116197A JP5673734B2 (en) | 2013-05-31 | 2013-05-31 | Vehicle front structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104210553A CN104210553A (en) | 2014-12-17 |
| CN104210553B true CN104210553B (en) | 2016-09-21 |
Family
ID=52092568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410240986.XA Expired - Fee Related CN104210553B (en) | 2013-05-31 | 2014-05-30 | Front part of vehicle part-structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5673734B2 (en) |
| CN (1) | CN104210553B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6743769B2 (en) * | 2017-06-16 | 2020-08-19 | トヨタ自動車株式会社 | Fuel cell vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004090828A (en) * | 2002-09-02 | 2004-03-25 | Honda Motor Co Ltd | Vehicle body front part structure |
| CN1626395A (en) * | 2003-10-28 | 2005-06-15 | 三菱扶桑卡客车株式会社 | Impact shock absorbing structure of a vehicle |
| CN1810562A (en) * | 2005-01-26 | 2006-08-02 | 本田技研工业株式会社 | Front vehicle body structure |
| CN101259850A (en) * | 2007-12-27 | 2008-09-10 | 奇瑞汽车股份有限公司 | Automobile front collision energy-absorbing device and assembling method thereof |
| JP2009196438A (en) * | 2008-02-20 | 2009-09-03 | Toyota Motor Corp | Car body structure of vehicle with frame |
| JP2010083257A (en) * | 2008-09-30 | 2010-04-15 | Mazda Motor Corp | Vehicle front body structure |
| JP2010188875A (en) * | 2009-02-18 | 2010-09-02 | Toyota Motor Corp | Collision load dispersing structure |
-
2013
- 2013-05-31 JP JP2013116197A patent/JP5673734B2/en not_active Expired - Fee Related
-
2014
- 2014-05-30 CN CN201410240986.XA patent/CN104210553B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004090828A (en) * | 2002-09-02 | 2004-03-25 | Honda Motor Co Ltd | Vehicle body front part structure |
| CN1626395A (en) * | 2003-10-28 | 2005-06-15 | 三菱扶桑卡客车株式会社 | Impact shock absorbing structure of a vehicle |
| CN1810562A (en) * | 2005-01-26 | 2006-08-02 | 本田技研工业株式会社 | Front vehicle body structure |
| CN101259850A (en) * | 2007-12-27 | 2008-09-10 | 奇瑞汽车股份有限公司 | Automobile front collision energy-absorbing device and assembling method thereof |
| JP2009196438A (en) * | 2008-02-20 | 2009-09-03 | Toyota Motor Corp | Car body structure of vehicle with frame |
| JP2010083257A (en) * | 2008-09-30 | 2010-04-15 | Mazda Motor Corp | Vehicle front body structure |
| JP2010188875A (en) * | 2009-02-18 | 2010-09-02 | Toyota Motor Corp | Collision load dispersing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5673734B2 (en) | 2015-02-18 |
| CN104210553A (en) | 2014-12-17 |
| JP2014234058A (en) | 2014-12-15 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Address after: Tokyo Port Area, Japan Patentee after: Mitsubishi Jidosha Kogyo Kabushiki Kaisha Address before: Tokyo, Japan Patentee before: Mitsubishi Jidosha Kogyo Kabushiki Kaisha |
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| 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: 20160921 |