CN106347496A - Automobile and instrument board beam assembly thereof - Google Patents
Automobile and instrument board beam assembly thereof Download PDFInfo
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- CN106347496A CN106347496A CN201510423057.7A CN201510423057A CN106347496A CN 106347496 A CN106347496 A CN 106347496A CN 201510423057 A CN201510423057 A CN 201510423057A CN 106347496 A CN106347496 A CN 106347496A
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- Prior art keywords
- crossbeam
- cross member
- installed surface
- automobile
- dashboard cross
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Abstract
The invention discloses an automobile and an instrument board beam assembly thereof. The instrument board beam assembly comprises a beam, and connecting pieces arranged at one or two ends, in the length direction, of the beam. Each connecting piece is provided with a first part, a second part and a deformation part in the length direction, wherein the first part is connected with the beam, the second part is used for being connected with a side body board of the automobile, and the deformation part is located between the first part and the second part and is suitable for deforming earlier than the beam when the beam is impacted so that the beam can rotate around the deformation part in the deformation direction of the deformation part. According to the technical scheme, the beam in the instrument board beam assembly has high anti-impact capability.
Description
Technical field
The present invention relates to automobile technical field, particularly to a kind of automobile and its dashboard cross member assembly.
Background technology
Automobile dashboard system includes dashboard cross member and instrument board, and wherein dashboard cross member is as instrument board
The inner skeleton of system, the two ends along overall width direction connect to automobile side coaming, its along vehicle commander direction with front
Coaming plate connects.Instrument board is installed on dashboard cross member and is shown in automobile cabin.And, with direction
The steering column that disk connects also is fixedly attached to dashboard cross member.Dashboard cross member is the other in driving cabin
System and part provide installation site and support.
Importantly, as the connector between instrument panel syste and vehicle body, dashboard cross member can also increase
The intensity of whole vehicle body, has good anticollision performance when vehicle occurs and clashes into, effective protection occupant's
Effect.For example, when vehicle occurs head-on crash, impact force is passed to by front panel from enging cabin
Dashboard cross member.Now, if dashboard cross member there occurs fracture, thus causing steering column to produce position
Move, the steering wheel being connected with steering column will be ejected backward.On the one hand, steering wheel may directly hit
Hit driver and crew, damage；On the other hand, if the air bag now in steering wheel is ejected,
Because steering wheel deflects, the ejection direction of air bag also can deflect, and such driver is clashed into
The position of air bag deflects, and leads to personal injury to do harm to.Therefore, examining for protection driver and crew
Consider it is necessary to ensure that dashboard cross member has good intensity and rigidity, it is to avoid this situation occurs.
But, in existing automobile technology, for pursuing lightweight and low-carbon environment-friendly target, alloy is due to density
Low and can effectively reduce pts wt, applied to more and more widely on the structural members such as dashboard cross member.
But the elongation at break of alloy is low, it is easy to rupture when by greater impact power, it reduces instrument
The anticollision ability of dash board crossbeam.
Content of the invention
The problem that the present invention solves is that the anticollision ability of existing fascia board girder is relatively low.
For solving the above problems, the present invention provides a kind of dashboard cross member assembly, comprising:
Crossbeam；
The connector of the one or both ends in described crossbeam two ends along its length, along described length
Direction has and connects the Part I of described crossbeam, for connecting the Part II of automobile side coaming, be located at
Variant part between described Part I and Part II；
Described variant part is suitable to: is deformed so that described horizontal stroke prior to crossbeam when described crossbeam clashes into
Beam rotates around variant part with the deformation direction of variant part.
Alternatively, described shock is the shock along automobile fore-and-aft direction, and the rotation direction of described crossbeam is edge
Automobile fore-and-aft direction points to the rotation direction in overall width direction.
Alternatively, described Part I has the first installed surface installing described crossbeam, described Part II
There is the second installed surface for installing automobile side coaming, described first installed surface and the second installed surface are along vapour
Herba Plantaginis rear direction is towards automotive front；
Described variant part has the joint face connecting described first installed surface and the second installed surface；
Angle between described joint face and the first installed surface and the second installed surface is more than 0 and is less than 180 degree.
Alternatively, described variant part is designed as: relatively described Part I and Part II are towards before automobile
Arch upward in portion or rear portion.
Alternatively, described Part I and Part II stagger along automobile fore-and-aft direction.
Alternatively, the angle between described variant part joint face and the first installed surface and the second installed surface is blunt
Angle.
Alternatively, between described joint face and the first installed surface and the second installed surface it is fillet.
Alternatively, along automobile fore-and-aft direction, described Part I is than Part II near automobile rear.
Alternatively, the rigidity of described variant part is less than the rigidity of Part I and Part II.
Alternatively, described variant part has some through holes along the distribution of automobile fore-and-aft direction.
Alternatively, described connector is plate-shaped, has along two opposite plate faces of automobile short transverse, institute
State through hole and run through described two plate faces.
Alternatively, described Part I and described crossbeam be welded to connect, riveting or bolt connection.
Alternatively, described connector compares crossbeam is made of using high-strength material.
The present invention also provides a kind of automobile, comprising: gusset plate；Any of the above-described described dashboard cross member is total
Become, one end that described crossbeam is provided with connector is connected to gusset plate by described Part II.
Alternatively, the connected mode between described gusset plate and described Part II is to be detachably connected mode.
Compared with prior art, technical scheme has the advantage that
When automobile is clashed into, impact force is converted into the internal stress of crossbeam and variant part, and variant part is first
In beam deformation and drive crossbeam to have certain moving displacement.This effectively reduces crossbeam and fracture occurs
Risk, improves the anticollision performance of crossbeam, the safety of energy effective protection crew member relatively.Further
Ground, consumes, during variant part deformation, the energy that impact force produces, to shed the internal stress of crossbeam so that horizontal stroke
Beam can bear bigger impact force, preferably lifts its anticollision performance, and vehicle safety performance is lifted.
Further it is contemplated that automobile is situation about being frequently encountered by by the collision of fore-and-aft direction, therefore will become
Shape portion is designed as: when described crossbeam is by being clashed into along automobile fore-and-aft direction, deformation is to drive described horizontal stroke
The rotation direction of beam points to the rotation direction in overall width direction for automobile fore-and-aft direction, and this can be obviously improved vapour
The security performance when being collided by fore-and-aft direction for the car.
Brief description
Fig. 1 is the profile of the dashboard cross member assembly of first embodiment of the invention, and section is automobile overall width
Plane determined by direction and fore-and-aft direction；
Fig. 2 is the part sectioned view of the dashboard cross member assembly of first embodiment of the invention, illustrated therein is
The annexation of connector and gusset plate and crossbeam and position relationship, section is Automobile cross direction and in front and back
Plane determined by direction；
Fig. 3 is the part section when variant part is not deformed for the instrument beam assembly of first embodiment of the invention
Figure, section is Automobile cross direction and plane determined by fore-and-aft direction；
Fig. 4 is the partial cutaway when variant part is in deformation for the instrument beam assembly of first embodiment of the invention
Face figure, section is Automobile cross direction and plane determined by fore-and-aft direction；
Fig. 5 is a part sectioned view of the dashboard cross member assembly of second embodiment of the invention, wherein shows
Gone out annexation and the position relationship of connector and gusset plate and crossbeam, section be Automobile cross direction and
Plane determined by fore-and-aft direction；
Fig. 6 is another part sectioned view of the dashboard cross member assembly of second embodiment of the invention, wherein
Show annexation and the position relationship of connector and gusset plate and crossbeam, section is Automobile cross direction
With plane determined by fore-and-aft direction；
Fig. 7 be third embodiment of the invention dashboard cross member assembly in connector plan view, this put down
Face view is to see along automobile fore-and-aft direction to obtain to connector.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings
The specific embodiment of the present invention is described in detail.
First embodiment
See figures.1.and.2, the present embodiment provides a kind of new dashboard cross member assembly, comprising:
Crossbeam 1, parallel to Automobile cross direction aa, crossbeam 1 is along automobile overall width for the length direction of crossbeam 1
Direction aa connects to automobile both sides gusset plate 3, and connects to front panel 4 along automobile fore-and-aft direction bb；
Located at the connector 2 of crossbeam 1 one end along its length, connector 2 is along the length direction of crossbeam 1
There is the Part I 21 of connecting cross beam 1, be used for connecting the Part II 22 of automobile side coaming 3, being located at
Variant part 23 between Part I 21 and Part II 22, connector 2 is passed through even in one end of crossbeam 1
It is connected to side gusset plate 3, and the other end is connected directly to opposite side gusset plate (not shown)；
Variant part 23 is suitable to: be deformed prior to crossbeam 1 when crossbeam 1 clashes into so that crossbeam 1 with
The deformation direction variant part 23 rotates around variant part 23.Consider in the situation that automobile is collided,
More commonly collided by bb along the longitudinal direction, therefore variant part 23 is designed as: suffers from automobile
To fore-and-aft direction bb shock when, impact force f is transferred to crossbeam 1 along automobile fore-and-aft direction bb, and passes
It is handed to variant part 23, variant part 23 can deform along automobile fore-and-aft direction bb prior to crossbeam 1, so that
The rotation direction that crossbeam 1 points to overall width direction aa along automobile fore-and-aft direction bb rotates around variant part 23.
And, when variant part 23 deforms, Part I 21 still keeps firmly being connected with crossbeam 1,
And Part II 22 still keeps firmly being connected with gusset plate 3, such crossbeam 1 will not relative gusset plate 3
Come off.
Based on the dashboard cross member assembly of the present embodiment, variant part 23 has deformation inductdion effect.Work as crossbeam
1 when suffering from impact force f, and impact force f is converted into crossbeam 1 and the internal stress of variant part 23, variant part
23 deform prior to crossbeam 1 and drive crossbeam 1 to have certain moving displacement.This effectively reduces crossbeam 1
There is the risk of fracture, relatively improve the anticollision performance of crossbeam 1, can effective protection driver and taking advantage of
The safety of member.Further, consume the energy that impact force f produces, to shed during variant part 23 deformation
The internal stress of crossbeam 1, so that crossbeam 1 can bear bigger impact force, preferably lifts its anticollision
Performance, vehicle safety performance is lifted.
For guaranteeing that variant part 23 deforms prior to crossbeam 1, variant part 23 is provided with deformation inductdion feature, its mesh
Be to ensure that stress concentration produces effective deformation.See figures.1.and.2, in the present embodiment, deformation inductdion is special
Levy and be designed as: Part I 21 and Part II arch upward towards automotive front relatively.
With reference to Fig. 3, when variant part 23 is not deformed, Part I 21 and Part II 22 are located at along car
On the same straight line of cross direction aa, the length direction of crossbeam 1 is parallel to overall width direction aa；
In conjunction with reference to Fig. 4, when crossbeam 1 is acted on by impact force f, arched part in deformation inductdion feature
Peak (the link position e of region d), variant part 23 and Part I 21, variant part 23 nearby
With the link position g of Part II 22, it is region of stress concentration, easy by the effect of concentrated stress
In deforming, crossbeam 1 deforms with variant part 23 and rotates along direction c relative to gusset plate 3, direction c
Point to the direction of rotation of overall width direction aa for fore-and-aft direction bb.So, Part II 22 gusset relatively
The position of plate 3 does not change, and overall width direction aa keeping parallelism, but Part I 21 and overall width side
The angle more than 0 is defined between aa.
With reference to Fig. 3, Part I 21 has the first installed surface 210 installing crossbeam 1, Part II 22
There is the second installed surface 220 installing gusset plate 3, variant part 23 has connection the first installed surface 210
Joint face 230 and the joint face 231 connecting the second installed surface 220.Wherein first installed surface 210 and second
Installed surface 220 all along the longitudinal direction bb towards automotive front, and perpendicular to fore-and-aft direction bb.Wherein
Between angle α between one installed surface 210 and joint face 230, the second installed surface 220 and joint face 231
Angle β be obtuse angle.Wherein, connector 2 is overall plate-shaped, and the first installed surface 210 and second is pacified
Dress face 220 is the plate face of connector 2, and this is able to ensure that variant part 23 suffers from along the longitudinal direction in automobile
It is easier to deform during the shock in bb direction.
It may also is that between angle α between the first installed surface and joint face, the second installed surface and joint face
Angle β be acute angle or right angle.Wherein, obtuse angle is subject to fore-and-aft direction compared to acute angle or right angle in crossbeam
It is more prone to deformation during the shock of bb.
As a kind of variation of deformation inductdion feature, it may also is that variant part compared to Part I and
Part II arches upward along automobile fore-and-aft direction towards automobile rear.
It should be noted that the rotation displacement of crossbeam 1 shown in Fig. 4 is very big, this illustrates that variant part
23 operation principle and be exaggerated signal.In actual application, the rotation displacement very little of crossbeam 1,
Substantially the change in location of steering column (not shown) will not be caused it is ensured that the position of steering wheel will not
Deflect.
Therefore, in order to avoid the rotation displacement of crossbeam 1 is larger it should be ensured that variant part 23 will not occur relatively
Large deformation.For reaching this purpose, when selecting the material of connector 2, the material of connector 2 it is ensured that
The deflection of variant part 23 will not be excessive.Now, due in connector 2 variant part 23 easily deformable,
Therefore connector 2 high-strength material can be selected to make so as to and gusset plate 3 and crossbeam 1 between jail
Admittedly connect without rupturing easily.By contrast, crossbeam 1 is made using alloy, and intensity is relatively small,
Disclosure satisfy that lightweight and low-carbon environment-friendly requirement.
With reference to Fig. 3, the first installed surface 210 of Part I 21 and crossbeam 1 are connected by bolt 5
Connect, bolt 5 passes through Part I 21, the first installed surface 210 and crossbeam 1 and fastens.In addition,
Both can also be connected by the fixed-link mode such as being welded to connect, riveting.
Realize regularly may be used by bolt 6 between second installed surface 220 of Part II 22 and gusset plate 3
Dismounting connects, and bolt 6 is fastened on one after passing through Part II 22, the second installed surface 220 and gusset plate 3
Rise.The mode of being detachably connected easily can be dismantled crossbeam 1 and gusset plate 3 in order to instrument board system
System is keeped in repair.In addition to bolt connecting mode, the connected mode between Part II 22 and gusset plate 3 is also
Other may be selected and feasible be detachably connected mode.
In addition, with reference to Fig. 1, only one end in crossbeam 1 is provided with connector 2.As variation, acceptable
It is: be equipped with connector 2 at the two ends of crossbeam 1.
Second embodiment
Compared with first embodiment, the difference of second embodiment is:
With reference to Fig. 5 and Fig. 6, variant part 33 is designed as:
Part I 31 and Part II 32 stagger along automobile fore-and-aft direction bb, Part I 31 to the
Two parts 32 along the longitudinal direction bb near automobile rear ii.Now, variant part 33 is along automobile fore-and-aft direction
Bb connects Part I 31 and Part II 32；
The wherein link position d' of Part I 31 and variant part 33, Part II 32 and variant part 33
Link position e' be area of stress concentration it is easy to deformation.
Part I 31 has the first installed surface 310 installing crossbeam 1, and Part II 32 has installation side
Second installed surface 320 of coaming plate 5, variant part 33 has connection the first installed surface 310 and the second installed surface
320 joint face 330, the angle α between the first installed surface 310 and joint face 330, the second installed surface
Angle β between 320 and joint face 330 is obtuse angle.
Further, before and after design the first installed surface 310, the second installed surface 320 and the equal edge of joint face 330
, towards automotive front, Part I 31, Part II 32 and variant part 33 are all plate-shaped for direction bb,
This is able to ensure that variant part 33 is easier when crossbeam 10 clashes into by fore-and-aft direction bb to deform.
Further, between joint face 330 and the first installed surface 310 and the second installed surface 320 it is fillet,
The forming step of fillet is simpler, it is easy to accomplish.As a kind of variation, joint face and the first installed surface
And second be alternatively sharp chamfering between installed surface.
In addition, the present embodiment is not excluded for: the angle between joint face and the first installed surface and the second installed surface
For right angle or acute angle.
In addition to difference, the other structures of second embodiment refer to the related content of first embodiment,
Will not be described here.
3rd embodiment
Compared with first embodiment and second embodiment, the difference of 3rd embodiment is:
With reference to Fig. 7, connector 4 is overall plate-shaped, and the plate face 40 of connector 4 is highly square perpendicular to automobile
To wherein variant part 43 is designed as:
It is provided with along automobile fore-and-aft direction bb distribution in variant part 43 and the through hole along automobile short transverse insertion
430, that is, through hole 430 insertion plate face 40.Due to due to through hole 430, the density of variant part 43
It is less than both sides Part I 41 and the density of Part II 42, the rigidity of variant part 43 is less than first
Divide the rigidity of 41 and Part II 42, variant part 43 is easier than Part I 41 and Part II 42
Stress deformation.
With reference to Fig. 7, through hole 430, along automobile short transverse insertion variant part 43, can make variant part 43 in horizontal stroke
Beam (not shown) is subject to be easier to deform when clashing into along automobile fore-and-aft direction bb.But this technology
Scheme is not excluded for: through hole is along other direction insertion variant parts different from automobile short transverse.
With reference to the scheme of 3rd embodiment, in other embodiments it may also is that design variations portion is vertical
Width in Automobile cross direction is less than the width of Part I and Part II, the rigidity of such variant part
Relatively low, it is easier to deform.
In addition, with reference to Fig. 7, Part I 41 is provided with two installing holes along automobile fore-and-aft direction bb interval
410, for installing crossbeam.Part II 42 is provided with two installing holes along automobile fore-and-aft direction bb interval
420 and two location holes 421 between installing hole 420, two installing holes 420 are used for installing gusset plate (in figure
Not shown), location hole 421 plays fixation and recognition effect during installing gusset plate, will not be described in detail herein.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, all can make various changes or modifications, therefore the guarantor of the present invention
Shield scope should be defined by claim limited range.
Claims (15)
1. a kind of dashboard cross member assembly is it is characterised in that include:
Crossbeam；
The connector of the one or both ends in described crossbeam two ends along its length, along described length
Direction has and connects the Part I of described crossbeam, for connecting the Part II of automobile side coaming, be located at
Variant part between described Part I and Part II；
Described variant part is suitable to: is deformed so that described horizontal stroke prior to crossbeam when described crossbeam clashes into
Beam rotates around variant part with the deformation direction of variant part.
2. dashboard cross member assembly as claimed in claim 1 is it is characterised in that described shock is along before automobile
The shock of rear direction, the rotation direction of described crossbeam is to point to turning of overall width direction along automobile fore-and-aft direction
Dynamic direction.
3. dashboard cross member assembly as claimed in claim 1 is it is characterised in that described Part I has peace
Fill the first installed surface of described crossbeam, described Part II have for automobile side coaming is installed second
Installed surface, described first installed surface and the second installed surface are along automobile fore-and-aft direction towards automotive front；
Described variant part has the joint face connecting described first installed surface and the second installed surface；
Angle between described joint face and the first installed surface and the second installed surface is more than 0 and is less than 180 degree.
4. dashboard cross member assembly as claimed in claim 3 is it is characterised in that described variant part is designed as:
Relatively described Part I and Part II arch upward towards automotive front or rear portion.
5. dashboard cross member assembly as claimed in claim 3 is it is characterised in that described Part I and second
Part staggers along automobile fore-and-aft direction.
6. dashboard cross member assembly as claimed in claim 5 it is characterised in that described variant part joint face with
Angle between first installed surface and the second installed surface is obtuse angle.
7. dashboard cross member assembly as claimed in claim 6 is it is characterised in that described joint face and first is pacified
It is fillet between dress face and the second installed surface.
8. dashboard cross member assembly as claimed in claims 6 or 7 is it is characterised in that along automobile fore-and-aft direction,
Described Part I is than Part II near automobile rear.
9. dashboard cross member assembly as claimed in claim 1 is it is characterised in that the rigidity of described variant part is little
Rigidity in Part I and Part II.
10. dashboard cross member assembly as claimed in claim 9 is it is characterised in that described variant part has along vapour
Some through holes of Herba Plantaginis rear direction distribution.
11. dashboard cross member assemblies as claimed in claim 10 it is characterised in that described connector is plate-shaped,
Have along two opposite plate faces of automobile short transverse, described through hole runs through described two plate faces.
12. dashboard cross member assemblies as claimed in claim 1 are it is characterised in that described Part I and described
Crossbeam be welded to connect, riveting or bolt connection.
13. dashboard cross member assemblies as claimed in claim 1 are it is characterised in that described connector compares crossbeam
It is made of using high-strength material.
A kind of 14. automobiles are it is characterised in that include: gusset plate；Instrument described in any one of claim 1～13
Plate crossbeam assembly, one end that described crossbeam is provided with connector is connected to gusset plate by described Part II.
15. automobiles as claimed in claim 14 are it is characterised in that between described gusset plate and described Part II
Connected mode be detachably connected mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423057.7A CN106347496B (en) | 2015-07-17 | 2015-07-17 | Automobile and its dashboard cross member assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423057.7A CN106347496B (en) | 2015-07-17 | 2015-07-17 | Automobile and its dashboard cross member assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106347496A true CN106347496A (en) | 2017-01-25 |
| CN106347496B CN106347496B (en) | 2018-06-15 |
Family
ID=57842396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510423057.7A Active CN106347496B (en) | 2015-07-17 | 2015-07-17 | Automobile and its dashboard cross member assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106347496B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577770A (en) * | 1994-08-26 | 1996-11-26 | Mercedes-Benz Ag | Deformation bar for energy-absorbing support |
| JP2002205663A (en) * | 2001-01-12 | 2002-07-23 | Suzuki Motor Corp | Front structure of car body |
| EP1894819A1 (en) * | 2006-08-31 | 2008-03-05 | HONDA MOTOR CO., Ltd. | Hanger beam assembly |
| CN201296297Y (en) * | 2008-10-21 | 2009-08-26 | 比亚迪股份有限公司 | Front panel strengthening structure and front panel assembly of vehicle body |
| CN204383593U (en) * | 2014-12-12 | 2015-06-10 | 浙江吉利汽车研究院有限公司 | A kind of instrument desk overarm brace structure |
-
2015
- 2015-07-17 CN CN201510423057.7A patent/CN106347496B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577770A (en) * | 1994-08-26 | 1996-11-26 | Mercedes-Benz Ag | Deformation bar for energy-absorbing support |
| JP2002205663A (en) * | 2001-01-12 | 2002-07-23 | Suzuki Motor Corp | Front structure of car body |
| EP1894819A1 (en) * | 2006-08-31 | 2008-03-05 | HONDA MOTOR CO., Ltd. | Hanger beam assembly |
| CN201296297Y (en) * | 2008-10-21 | 2009-08-26 | 比亚迪股份有限公司 | Front panel strengthening structure and front panel assembly of vehicle body |
| CN204383593U (en) * | 2014-12-12 | 2015-06-10 | 浙江吉利汽车研究院有限公司 | A kind of instrument desk overarm brace structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106347496B (en) | 2018-06-15 |
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