CN208842473U - Curved stringer support construction and automobile under a kind of reduction front panel intrusion volume - Google Patents
Curved stringer support construction and automobile under a kind of reduction front panel intrusion volume Download PDFInfo
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- CN208842473U CN208842473U CN201820678117.9U CN201820678117U CN208842473U CN 208842473 U CN208842473 U CN 208842473U CN 201820678117 U CN201820678117 U CN 201820678117U CN 208842473 U CN208842473 U CN 208842473U
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- curved stringer
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 238000005452 bending Methods 0.000 claims abstract description 30
- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 8
- 230000035939 shock Effects 0.000 abstract description 4
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model provides curved stringer support construction under a kind of reduction front panel intrusion volume, curved stringer support construction is set to down in the cavity between below curved stringer and preceding floor under described, curved stringer support construction is connected across down the top of the bending region on curved stringer under and, and forms cavity between the bending region under on curved stringer.Stringer curved under front longitudinal beam rear is carried out reinforcing bending resistance by the structure of the utility model, is effectively supported from the rear of front longitudinal beam to it, curved stringer bending resistance under increase, can greatly reduce front panel intrusion, increases safety of the vehicle in front shock.The invention also discloses a kind of automobiles.
Description
Technical field
The utility model relates to field of automobile safety, especially for reducing the structure design neck of automobile dash board intrusion volume
Domain.
Background technique
Front panel refers to the partition between enging cabin and compartment, it and floor, front column couple, and is mounted on front wall upper cover
Under plate.There are many apertures in front panel will also cooperate as the bracing wire of manipulation, pull rod, pipeline and wirning harness by being used
The parts installation site such as column is asked by pedal, side.
Vehicle front shock is one of the principal mode of existing traffic accident, in traffic accident occupant be hurt ratio compared with
Greatly.Various countries are using the front shock performance of automobile as one of vehicle safety performance evaluation index.And during front shock,
Can forward engine room, which effectively absorb and transmit collision energy, seems particularly critical.If the collision energy being transmitted in front panel is excessive,
The personal injury of passenger can then be directly resulted in.
The design of traditional control front panel intrusion volume usually considers the structure transmitting by automobile longitudinal girder and absorbs energy.
Such as application No. is 201410648464.5 utility model patents, by the way that longitudinal beam reinforcing plate is arranged in rail inner, and indulge
Beam stiffening plate and suspension reinforcing plate form an entirety, and longitudinal beam structure fault location is welded together, the bending resistance energy of stringer is improved
Power can be transmitted backward well so that no longer deforming in advance at the fault of construction of stringer, improve head-on crash performance.
Consider to use to kick-down stringer progress veneer Design of Reinforcement to enhance the region kickdown there are also some
The bending resistance of kick-down stringer.
Separately have some control front panel intrusion volumes designs be from the kickdown regional complex deformation of stringer and reinforce with
Mitigate the impact to front panel.Such as application No. is 201621481857.0, disclose in the region kickdown and front longitudinal beam
Preceding energy-absorbing area carries out overlap joint reinforcing and predeformation concave bar is arranged in the area kickdown, to control on vehicle leading portion and front longitudinal beam
It jumps, while controlling front longitudinal beam and being contacted with obstacle vertical angle, energy-absorbing is abundant.Here overlap joint reinforcement form is also traditional veneer
It reinforces.
However, above-mentioned veneer reinforcing mode relies on the intensity of stiffener itself merely to resist deformation, it is ineffective.
Utility model content
The utility model aim is to provide a kind of kickdown support construction and automobile for reducing front panel intrusion volume, adopt
With unconventional veneer reinforcing mode, front panel intrusion volume is rationally controlled.
To reach above-mentioned purpose, the utility model proposes following technical solutions:
Curved stringer support construction under a kind of reduction front panel intrusion volume, curved stringer support construction is set to down curved under described
In cavity between below stringer and preceding floor, and under curved stringer support construction be connected across down the upper of the bending region on curved stringer
Side, and cavity is formed between the bending region under on curved stringer.
Further, in the present invention, curved stringer support construction includes bottom surface and side under described；
Bottom surface bottom surface of curved stringer under is correspondingly arranged, and the side is set to the edge of bottom surface and the curved stringer under
Inner and outer plates be adapted to and fix；
The bottom surface includes the first bottom surface being sequentially connected with, the second bottom surface and the third bottom referring to vehicle body from front to back
Face, wherein the first bottom surface is with third bottom surface, the bottom surface of curved stringer under is fixed, and the second bottom surface is connected across down the flex area of curved stringer
Top.
Further, in the present invention, it is provided with heavy platform on first bottom surface and third bottom surface, the heavy platform is deep
Degree >=5mm；The bottom surface that first bottom surface and third bottom surface pass through the curved stringer under at heavy platform is connected.
Further, in the present invention, table at least one the second bottom surface of protrusion is provided on second bottom surface
The strip rib of face 5mm or more, described rib one end is close to the first bottom surface, the other end close to third bottom surface.
Further, in the present invention, curved stringer support construction is curved under by side thereon, heavy platform under described
Stringer spot welding connection.
The invention also discloses a kind of automobiles, support and tie including stringer curved under above-mentioned reduction front panel intrusion volume
Structure.
The utility model has the advantages that
From the above technical scheme, the utility model provides curved stringer support under a kind of reduction front panel intrusion volume
Structure and automobile.
Under curved stringer support construction using hanging design, including the first bottom surface, the second bottom surface and third bottom surface, pass through first
Bottom surface and third bottom surface are used as supporting point, and the second bottom surface is connected across down to the flex area top of curved stringer, can under curved stringer
When bending will occur, using the first bottom surface, the interaction force of third bottom surface curved stringer under, the second bottom surface is kept not collapse
Deformation, to ensure that down that bending does not occur for curved stringer.
Therefore, stringer curved under front longitudinal beam rear is carried out reinforcing bending resistance by the structure of the utility model, after front longitudinal beam
Side effectively supports it, curved stringer bending resistance under increase, can greatly reduce front panel intrusion, increases vehicle in front
Safety in collision.
It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived described in greater detail below are at this
It can be viewed as a part of the utility model theme of the disclosure in the case that the design of sample is not conflicting.
The foregoing and other side of the utility model introduction can be more fully appreciated from the following description in conjunction with attached drawing
Face, embodiment and feature.The features and/or benefits of other additional aspects such as illustrative embodiments of the utility model
To be obvious in the following description, or will be learnt in the practice by the specific embodiment instructed according to the utility model.
Detailed description of the invention
Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or nearly identical group each of is shown in each figure
It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled.
Now, by by example and be described in reference to the drawings the utility model various aspects embodiment, in which:
Fig. 1 is the structural schematic diagram of the front panel rear area of the utility model；
The structural schematic diagram of Fig. 2 curved stringer under being；
The structural schematic diagram of Fig. 3 curved stringer under being；
The top view of Fig. 4 curved stringer under being；
The top view of Fig. 5 curved stringer support construction under being；
The side view of Fig. 6 curved stringer support construction under being；
Fig. 7 be front longitudinal beam root and under stress and bending schematic diagram at curved stringer.
In figure, the meaning of each appended drawing reference is as follows:
Front panel 1, front longitudinal beam 2, preceding floor 3, under curved stringer 4, under curved stringer support construction 5, pad 6, heavy platform 7, rib
Item 8, the first bottom surface 9, the second bottom surface 10, third bottom surface 11.
Specific embodiment
In order to know more about the technology contents of the utility model, spy lifts specific embodiment and institute's accompanying drawings is cooperated to be described as follows.
It is described with reference to the various aspects of the utility model in the disclosure, shown in the drawings of the implementation of many explanations
Example.It is not intended to cover all aspects of the utility model for embodiment of the disclosure.It should be appreciated that a variety of structures presented hereinbefore
Think and embodiment, and those of describe in more detail below design and embodiment can in many ways in any one
Implement, this is because conception and embodiment disclosed in the utility model are not limited to any embodiment.In addition, this is practical
Novel disclosed some aspects can be used alone, or with it is disclosed by the utility model it is otherwise it is any it is appropriately combined come
It uses.
Such as the structural schematic diagram that Fig. 1 is 1 rear area of front panel, under curved stringer 4 be set to the root position of front longitudinal beam 2
Rear and be located at preceding floor 3 lower section, under between curved stringer 4 and the lower surface on preceding floor 3 have a cavity.
Curved stringer 4 has the structure of an apparent bending under as shown in Fig. 2, and the impact force that front longitudinal beam 2 is subject to is transmitted to
Under on curved stringer 4, bending easily occurs at bending structure, then can not support front longitudinal beam 2 that front panel 1 is caused to intrude into passenger compartment
In, personal injury is caused to passenger.
As shown in Fig. 2, the embodiments of the present invention provide curved stringer support knot under a kind of 1 intrusion volume of reduction front panel
Structure 5, curved stringer support construction 5 is set to down in the cavity between curved stringer 4 and the lower section of preceding floor 3 under described, and under curved stringer
Support construction 5 is connected across down the top of the bending region on curved stringer 4, and is formed between the bending region under on curved stringer 4
Cavity.
Under above-mentioned curved stringer support construction 5 and under cavity between curved stringer 4 increase down the chamber of curved stringer bending region
Body section, the periphery of above-mentioned cavity structure curved stringer support construction 5 curved stringer 4 under under is fixedly connected, for guaranteeing sky
The stabilization of cavity configuration.
By cavity structure, reinforced above the bending region under on curved stringer 4, curved stringer 4 is come from instantly
When the impact force of front longitudinal beam 2, generate bending tendency in bending region, above cavity structure under curved stringer support construction 5 and sky
The cooperation jointly of curved stringer 4 under below cavity configuration, resists bending tendency, thus under reinforcing curved stringer 4 bend resistance ability, in turn
Achieve the effect that reduce 1 intrusion volume of front panel.
In certain preferred embodiments, as shown in Figure 5 and Figure 6, curved stringer support construction 5 includes bottom surface and side under described
Face.Bottom surface bottom surface of curved stringer 4 under is correspondingly arranged, and the side is set to the edge of bottom surface and the curved stringer 4 under
Inner and outer plates are adapted to and fix, and connection type includes but is not limited to spot welding, Laser Welding.The bottom surface include referring to vehicle body from front to back
The first bottom surface 9 being sequentially connected with, the second bottom surface 10 and third bottom surface 11, wherein the first bottom surface 9 and third bottom surface 11 with
Under the bottom surface of curved stringer 4 fix, the second bottom surface 10 is connected across down the top of the flex area of curved stringer 4.
First bottom surface 9 is jointly supported the second bottom surface 10 with third bottom surface 11, while cooperating the fixation of side, is used for
Guarantee 10 vacant state of the second bottom surface, with curved 4 bending of stringer under resistance.
By Fig. 5 and Fig. 6 as it can be seen that the first bottom surface 9, the second bottom surface 10 and third bottom surface 11 are in the section along length of wagon direction
It is the V-type of plane in bottom, planar section corresponds to the second bottom surface 10, and two sides of V-type correspond to the first bottom surface 9 and third
Bottom surface 11, three bottom surfaces are an entirety, and fixed by stringer 4 curved under, so that overall structure is reliable and stable.
In certain preferred embodiments, as shown in fig. 6, being provided with heavy platform on first bottom surface 9 and third bottom surface 11
7,7 depth of the heavy platform >=5mm；First bottom surface 9 passes through the bottom surface of the curved stringer 4 under at heavy platform 7 with third bottom surface 11
It is connected.Heavy platform make the second bottom surface 10 and under curved stringer 4 bottom surface between form cavity, cavity has better compared to sheet body
Bending resistance.And by heavy platform 7, curved stringer 4 is connected under, and attachment includes but is not limited to weld, and has been achieved in that stronger
Bending resistance.
Since the first bottom surface 9 is in position earlier above compared with third bottom surface 11, need to bear at the first bottom surface 9 bigger
Bending power, therefore the quantity of the heavy platform 7 on general first bottom surface 9 is used for more than the quantity of heavy platform 7 on third bottom surface 11 at the first bottom
Bigger support force is provided at face 9.Specifically, being provided with 2 on the first bottom surface 9 in specific embodiment of the utility model
Above heavy platform is provided with 1 heavy platform on third bottom surface 11.
It is formed by the length of cavity since the length of the second bottom surface 10 directly affects, due to the more short then warping resistance energy of cavity
Power is weaker, therefore in order to guarantee certain warping resistance ability, in certain preferred embodiments, the length of second bottom surface 10
L≥200mm。
In certain preferred embodiments, it is provided on second bottom surface 10 at least one the second bottom surface of protrusion 10
The strip rib 8 of surface 5mm or more, described 8 one end of rib is close to the first bottom surface 9, the other end close to third bottom surface 11.Rib
8 above-mentioned setting directions just can be consistent with the direction of bending is resisted, it is thus possible to reinforce the ability of 10 warping resistance of the second bottom surface,
It effectively prevent down curved stringer 49 that bending phenomenon occurs.
Further, curved stringer support construction 5 is located at the rear portion of front longitudinal beam 2 due under, and the rear portion of front longitudinal beam 2 and preceding vertical
The front of beam 2 have certain difference in height, it is therefore desirable under curved stringer support construction 5 have it is stronger compared to other component
Intensity, therefore in certain preferred embodiments, curved stringer support construction 5 is sheet metal component under described, and expects that thickness is 1.5mm or more,
Material yield strength is 420MPa or more.
In certain preferred embodiments, curved stringer support construction 5 is curved under by side thereon, heavy platform 7 under described
4 spot welding of stringer connection.Pad 6 in above-mentioned each embodiment is referring to attached drawing 2~4.
Specific embodiment of the present utility model also discloses a kind of automobile, in the root position of the front longitudinal beam 2 of automobile
Be provided with down curved stringer support construction 5 under rear on curved stringer 4, and under curved stringer support construction 5 be located under curved stringer 4 with
In cavity structure between preceding floor 3, the warping resistance energy of curved stringer 4 under being used to reinforce using curved stringer support construction 5 under above-mentioned
Power reduces front longitudinal beam 2 and further moves backward, to reduce 1 intrusion volume of front panel for resisting the intrusion of front longitudinal beam 2.
Although the utility model has been disclosed with preferred embodiment as above, so it is not intended to limit the utility model.This reality
It is without departing from the spirit and scope of the utility model, each when that can make with novel those of ordinary skill in the art
Kind changes and retouches.Therefore, the protection scope of the utility model is subject to view those as defined in claim.
Claims (8)
1. curved stringer support construction under a kind of reduction front panel intrusion volume, it is characterised in that: curved stringer support construction under described
Be set to down in the cavity between below curved stringer and preceding floor, and under curved stringer support construction be connected across down the folding on curved stringer
The top in curved region, and cavity is formed between the bending region under on curved stringer.
2. curved stringer support construction under reduction front panel intrusion volume according to claim 1, it is characterised in that: under described
Curved stringer support construction includes bottom surface and side；
Bottom surface bottom surface of curved stringer under is correspondingly arranged, and the side is set to the edge of bottom surface and under in curved stringer
Outside plate is adapted to and fixes；
The bottom surface includes the first bottom surface being sequentially connected with, the second bottom surface and the third bottom surface referring to vehicle body from front to back,
Wherein the bottom surface of curved stringer under is fixed with third bottom surface for the first bottom surface, and the second bottom surface is connected across down the upper of the flex area of curved stringer
Side.
3. curved stringer support construction under reduction front panel intrusion volume according to claim 2, it is characterised in that: described
Heavy platform, the heavy platform depth >=5mm are provided on one bottom surface and third bottom surface；It is heavy that first bottom surface passes through with third bottom surface
The bottom surface of Tai Chu curved stringer under is connected.
4. curved stringer support construction under reduction front panel intrusion volume according to claim 2, it is characterised in that: described
Length >=200mm of two bottom surfaces.
5. curved stringer support construction under reduction front panel intrusion volume according to claim 3, it is characterised in that: described
The strip rib of at least one the second bottom surface of protrusion upper surface 5mm or more is provided on two bottom surfaces, described rib one end is close
First bottom surface, the other end are close to third bottom surface.
6. curved stringer support construction under reduction front panel intrusion volume according to claim 1, it is characterised in that: under described
Curved stringer support construction is sheet metal component, and expects that thickness is 1.5mm or more, and material yield strength is 420MPa or more.
7. curved stringer support construction under reduction front panel intrusion volume according to claim 3, it is characterised in that: under described
Curved stringer support construction is connect by side thereon, heavy platform curved stringer spot welding under.
8. automobile, it is characterised in that: including reduction front panel intrusion volume described in any one in the claims 1 to 7
Under curved stringer support construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820678117.9U CN208842473U (en) | 2018-05-08 | 2018-05-08 | Curved stringer support construction and automobile under a kind of reduction front panel intrusion volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820678117.9U CN208842473U (en) | 2018-05-08 | 2018-05-08 | Curved stringer support construction and automobile under a kind of reduction front panel intrusion volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208842473U true CN208842473U (en) | 2019-05-10 |
Family
ID=66350153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820678117.9U Expired - Fee Related CN208842473U (en) | 2018-05-08 | 2018-05-08 | Curved stringer support construction and automobile under a kind of reduction front panel intrusion volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208842473U (en) |
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2018
- 2018-05-08 CN CN201820678117.9U patent/CN208842473U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190510 |