CN106314548A - Dual-crossbeam channel structure of front vehicle body - Google Patents
Dual-crossbeam channel structure of front vehicle body Download PDFInfo
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- CN106314548A CN106314548A CN201510334549.9A CN201510334549A CN106314548A CN 106314548 A CN106314548 A CN 106314548A CN 201510334549 A CN201510334549 A CN 201510334549A CN 106314548 A CN106314548 A CN 106314548A
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- crossbeam
- vehicle body
- reinforcing plate
- mount point
- front vehicle
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Abstract
The invention discloses a dual-crossbeam channel structure of a front vehicle body. The dual-crossbeam channel structure comprises a front stringer, a rear stringer, a front floor, a first crossbeam and a second crossbeam, wherein a central channel which is upwards bulged and longitudinally extends is formed in the middle part of the front floor; a first reinforcing plate is arranged at the front part of the central channel, and a second reinforcing plate is arranged at the middle part of the central channel; a first crossbeam and a second crossbeam are arranged under the central channel; two ends of the first crossbeam are separately and perpendicularly fixed to the front stringer and the rear stringer; two ends of the second crossbeam are separately and perpendicularly fixed to the front stringer and the rear stringer; and the upper surface of the second crossbeam is propped against the lower surface of the second reinforcing plate. Through the adoption of the dual-crossbeam channel structure, multiple load routes are formed, so that the collision force is effectively resolved, the collision property of a complete vehicle is improved, and the strength and the torsion rigidity of the complete vehicle are improved.
Description
Technical field
The present invention relates to the construction applications of front vehicle body, double particularly to a kind of front vehicle body
Transom channel structure.
Background technology
At present, body structure is collectively constituted by component and joint thereof and sheet metal component, is
Bear load and the fundamental system of transmission load.The reasonable Arrangement of body structure crossbeam
The intensity of vehicle body, rigidity, mode etc. are had conclusive effect, and structure is arranged
Quality, not only affect the performance of vehicle body, also affect the cost of vehicle body.At present,
In front vehicle body structure, hand brake stay cable centre gangway, typically by floor and reinforcing plate group
Close and constitute independent system.But there is local stiffness and the poor problem of intensity.And
And, crossbeam and longeron are not connected to, and location arrangements is unreasonable, cause local stress collection
In, collision energy cannot effectively transmit.And, the process of noise and vibrations is paid no attention to
Thinking, comfortableness declines, and affects the satisfaction of driver's manipulation.
Summary of the invention
The present invention is to solve deficiency of the prior art, it is provided that a kind of formation
A plurality of load path, effectively decomposes impact force, promotes complete automobile collision performance, and carries
The high double transom channel structure of front vehicle body of integral strength and torsional rigidity.
The technical scheme of the double transom channel structure of a kind of front vehicle body of the present invention is:
The double transom channel structure of a kind of front vehicle body, including front longitudinal, floor side member, front
Floor, first crossbeam and second cross beam, be provided with in the middle part of described front floor and raise up
And the centre gangway of longitudinal extension, the front portion of described centre gangway and middle part horizontal stroke respectively
The first reinforcing plate and the second reinforcing plate, described first crossbeam and described it is provided with to ground
Two crossbeams are arranged on the lower section of described centre gangway, and the two ends of described first crossbeam are divided
Not with described front longitudinal and described floor side member is vertical fixes, the two of described second cross beam
End respectively with described front longitudinal and described floor side member is vertical fixes, described second cross beam
The lower surface of upper surface and described second reinforcing plate offset.
The technical scheme of the double transom channel structure of a kind of front vehicle body of the present invention is all right
It is:
It is recessed that described first reinforcing plate is provided with first be downwardly concaved, and described second adds
It is recessed that strong plate is provided with second be downwardly concaved, described first recessed and described second recessed
The two ends entered all are connected with described centre gangway by circular arc.
The middle part of described second cross beam is provided with the projection being bent upwards, described projection with
Described second recessed offsets.
Described front longitudinal and described floor side member are respectively provided on two sides with and are located along the same line
First before extending beam, described front longitudinal and described floor side member after extending beam and first
Extend after extending beam and second before being respectively provided on two sides with second be located along the same line
Beam, extending beam after extending beam and described first before described first crossbeam and described first
Position is correspondingly arranged, extending beam and described before described second cross beam and described second
After two, extending beam position is correspondingly arranged.
The front of described centre gangway is provided with front beam, and the two ends of described front beam are divided
Not anterior with described front longitudinal and described floor side member forward vertical is fixed, described front horizontal
Beam is provided with front beam reinforcing plate.
The middle part of described front longitudinal is provided with extend back rear prominent, described after prominent
Being provided with the first the passenger side mount point, the middle part of described floor side member is provided with and extends forward
Front prominent, described front highlighting is provided with the second the passenger side mount point, described first the passenger side
Mount point and described second the passenger side mount point set with the longitudinal axis symmetry of front vehicle body
Put.
Described front beam and described first crossbeam are with described first the passenger side mount point and institute
The line stating the second the passenger side mount point is symmetrical arranged.
Described front beam is positioned at described first the passenger side mount point and described second the passenger side peace
The position of the front 300mm decorateeed.
Described first crossbeam is positioned at described first the passenger side mount point and described second the passenger side
The position of the rear 300mm of mount point, described second cross beam is horizontal with described first
Spacing between beam is 300mm.
First crossbeam reinforcing plate, described second cross beam it is provided with in the middle part of described first crossbeam
Middle part is provided with second cross beam reinforcing plate.
The double transom channel structure of a kind of front vehicle body of the present invention, including front longitudinal, after
Longeron, front floor, first crossbeam and second cross beam, be provided with in the middle part of described front floor
Raise up and the centre gangway of longitudinal extension, the front portion of described centre gangway and in
Portion is laterally provided with the first reinforcing plate and the second reinforcing plate, described first crossbeam respectively
With the lower section that described second cross beam is arranged on described centre gangway, described first crossbeam
Two ends respectively with described front longitudinal and described floor side member is vertical fixes, described second
The two ends of crossbeam respectively with described front longitudinal and described floor side member is vertical fixes, described
The upper surface of second cross beam offsets with the lower surface of described second reinforcing plate.So,
Described first crossbeam and described second cross beam extend transversely through front vehicle body respectively and indulge with front
Beam and floor side member are fixedly installed, and increase the strength and stiffness of front vehicle body, in side impact
During impulsive force can be passed to along first crossbeam and second cross beam before,
Floor side member, defines a plurality of load path, has shared the collision impact of the point of impingement,
Effectively decompose impact force, reduce the collision deformation quantity of car body.And, in projection
Centre gangway on the first reinforcing plate and the second reinforcing plate are set, central authorities can be increased
The intensity of passage, in collision process, centre gangway serves longitudinal direction to front vehicle body
The effect supported, and absorb local collision energy, and then decrease the point of impingement
Deformation, promotes complete automobile collision performance.Further, by the upper surface of second cross beam with
The lower surface of the second reinforcing plate offsets, and defines Guan Bi and supports, constitutes same
The closing structure of double crossbeams of position.So, second cross beam and the second reinforcing plate
The Guan Bi constituted supports, and plays a supporting role front vehicle body the most in the height direction,
And then increase the strength and stiffness of car load.In collision process, Guan Bi support can
To absorb more collision energy, it is also possible to centre gangway is forced through Guan Bi
Support to second cross beam transmit, then by second cross beam pass to before and after's longeron and its
Its crossbeam, defines a plurality of load path, has shared the collision impact of the point of impingement,
Effectively decompose impact force, reduce the collision deformation quantity of car body.Meanwhile, to car
When body applies downward twisting resistance, the Guan Bi in short transverse supports and provides and turn round
Turn the resistance that force direction is contrary, and then increase the torsional rigidity of car body.
Accompanying drawing explanation
The schematic diagram of the double transom channel structure of a kind of front vehicle body of Fig. 1 present invention；
The schematic cross-section of the double transom channel structure of a kind of front vehicle body of Fig. 2 present invention；
The passenger side mount point of the double transom channel structure of a kind of front vehicle body of Fig. 3 present invention
Schematic diagram；
First reinforcing plate of the double transom channel structure of a kind of front vehicle body of Fig. 4 present invention
With the second reinforcing plate structural representation；
Figure number explanation
1 ... front longitudinal 2 ... floor side member 3 ... front floor 4 ... first crossbeam
5 ... second cross beam 6 ... centre gangway 7 ... front beam 8 ... the first reinforcing plate
9 ... the second reinforcing plate 10 ... extending beam 11 before first ... extending beam after first
12 ... extending beam 13 before second ... extending beam 14 after second ... the first the passenger side is installed
Point 15 ... the second the passenger side mount point 16 ... first crossbeam reinforcing plate 17 ... the
Two cross member reinforcing plates 18 ... first is recessed
Detailed description of the invention
Below in conjunction with the specific embodiment double transom channel of a kind of front vehicle body to the present invention
Structure is further described.
As Figure 1-4, the double transom channel structure of a kind of front vehicle body, including front longitudinal
1, floor side member 2, front floor 3, first crossbeam 4 and second cross beam 5, described front ground
Being provided with in the middle part of plate 3 and raise up and the centre gangway 6 of longitudinal extension, described central authorities lead to
The front portion in road 6 and middle part are laterally provided with the first reinforcing plate 8 and second respectively and strengthen
Plate 9, described first crossbeam 4 and described second cross beam 5 are arranged on described centre gangway
The lower section of 6, the two ends of described first crossbeam 4 respectively with described front longitudinal 1 and described
Floor side member 2 is vertically fixed, and the two ends of described second cross beam 5 are indulged respectively before described
Beam 1 and described floor side member 2 are vertically fixed, the upper surface of described second cross beam 5 with
The lower surface of described second reinforcing plate 9 offsets.So, described first crossbeam 4 He
Described second cross beam 5 extend transversely through respectively front vehicle body and with front longitudinal 1 and floor side member 2
It is fixedly installed, increases the strength and stiffness of front vehicle body, can during side impact
So that impulsive force is passed to forward and backward longeron 2 along first crossbeam 4 and second cross beam 5,
Define a plurality of load path, shared the collision impact of the point of impingement, effectively divided
Solve impact force, reduce the collision deformation quantity of car body.And, in protruding central authorities
First reinforcing plate 8 and the second reinforcing plate 9 is set on passage 6, central authorities can be increased logical
The intensity in road 6, in collision process, front vehicle body is served vertical by centre gangway 6
To the effect supported, and absorb local collision energy, and then decrease the point of impingement
Deformation, promote complete automobile collision performance.Further, by the upper table of second cross beam 5
Face offsets with the lower surface of the second reinforcing plate 9, defines Guan Bi and supports, constitutes
The closing structure of the double crossbeams at same position.So, second cross beam 5 and
The Guan Bi that two reinforcing plates 9 are constituted supports, and plays front vehicle body the most in the height direction
To supporting role, and then increase the strength and stiffness of car load.In collision process,
Guan Bi support can absorb more collision energy, it is also possible to by centre gangway 6
It is forced through Guan Bi support to transmit to second cross beam 5, then is transmitted by second cross beam 5
Give front and back longeron 2 and other crossbeam, define a plurality of load path, share
The collision impact of the point of impingement, effectively decomposes impact force, reduces the collision of car body
Deformation quantity.Meanwhile, when car body is applied downward twisting resistance, in short transverse
Guan Bi support and provide the resistance in opposite direction with twisting resistance, and then increase
The torsional rigidity of car body.
Seeing accompanying drawing 1-4, the double transom channel structure of a kind of front vehicle body of the present invention is upper
On the basis of stating technical scheme, may is that described first reinforcing plate 8 is provided with downwards
Recessed first recessed 18, described second reinforcing plate 9 is provided with second be downwardly concaved
Recessed, described first recessed 18 and described second recessed two ends all by circular arc with
Described centre gangway 6 connects.So, first recessed 18 and second recessed improve
The local stiffness of centre gangway 6, increases the hands being fixed on centre gangway 6
Stop the supporting role of operating mechanism so that operate more stable, hence it is evident that improve manipulation
Comfort.Further, described first recessed 18 and described second recessed two ends equal
It is connected with described centre gangway 6 by circular arc, connects smooth and easy, it is simple to assembling.Excellent
The first crossbeam 4 of choosing and the size of second cross beam 5 are 280mmx80mm.Enter one
The technical scheme of step may is that the middle part of described second cross beam 5 is provided with and is bent upwards
Projection, described projection recessed offsets with described second.So, by protruding with
Second recessed offseting, plays a supporting role to front vehicle body the most in the height direction,
And define four limits in the height direction with first crossbeam 4 and the first reinforcing plate 8
The supporting construction of shape, and then increase the strength and stiffness of car load.At collision process
In, the supporting construction of tetragon can absorb more collision energy, reduces car
The collision deformation quantity of body.
Seeing accompanying drawing 1-4, the double transom channel structure of a kind of front vehicle body of the present invention is upper
On the basis of stating technical scheme, may is that described front longitudinal 1 and described floor side member 2
Prolong after extending beam 10 and first before being respectively provided on two sides with first be located along the same line
Beam 11, described front longitudinal 1 and described floor side member 2 are respectively provided on two sides with and are positioned at together
Extending beam 13 after extending beam 12 and second before on one straight line second, described first is horizontal
Extending beam 11 position pair after extending beam 10 and described first before beam 4 and described first
Should arrange, extending beam 12 and described second before described second cross beam 5 and described second
Rear extending beam 13 position is correspondingly arranged.So, during side impact, extending beam
Be collided impulsive force, it is possible to directly by impulsive force along corresponding with its position
Crossbeam passes to other position of car body.Extending beam 10 and first before first
The corresponding position of rear extending beam 11 arranges first crossbeam 4, extending beam before second
After 12 and second, the corresponding position of extending beam 13 arranges second cross beam 5, can make
The collision impact obtaining side impact can be dispersed to each of car body directly, rapidly
Individual position, reduces the deformation of the point of impingement, takes advantage of in protecting car within the shortest time
The safety of visitor.
Seeing accompanying drawing 1-4, the double transom channel structure of a kind of front vehicle body of the present invention is upper
On the basis of stating technical scheme, may is that the front of described centre gangway 6 is provided with
Front beam 7, the two ends of described front beam 7 are anterior with described front longitudinal 1 respectively and institute
Stating floor side member 2 forward vertical to fix, described front beam 7 is provided with front beam 7 and adds
Strong plate.So, the anterior position at car body is provided with front beam 7, increases front beam 7
Longeron 2 before and after reinforcing plate connection, the Transfer pipe forming an effective power improves
Collision energy.Further, the front beam 7 that front is arranged can be to same before car body
The vibrating noise that the electromotor of side produces absorbs, thus, effectively inhibit and make an uproar
Sound, greatly improves the riding comfort of driving cabin.Preferably, the length of front beam 7
Degree for 900mm, can preferably coordinate with the distance between front and back longeron 2.Enter
The one preferred technical scheme of step may is that the middle part of described front longitudinal 1 is provided with backward
Extend is rear prominent, and described rear highlighting is provided with the first the passenger side mount point 14, described
The middle part of floor side member 2 is provided with extend forward front prominent, described before prominent be provided with
Second the passenger side mount point 15, described first the passenger side mount point 14 and described second the passenger side
Mount point 15 is symmetrical arranged with the longitudinal axis of front vehicle body.So, by car body
Internal the outstanding of extension arranges the first the passenger side mount point 14 and the second the passenger side mount point
15, increase the fixing of the first the passenger side mount point 14 and the second the passenger side mount point 15
Area so that operation easy for installation, and improve the rigidity of structure of mount point,
Be conducive to protecting the member of crew module, coordinate floor to improve the rigidity of car load.Enter
The one preferred technical scheme of step is it may also is that described front beam 7 and described first horizontal
Beam 4 is with described first the passenger side mount point 14 and described second the passenger side mount point 15
Line is symmetrical arranged.So, the first the passenger side mount point 14 and described second the passenger side peace
The weight decorateeing the part fixed on 15 can the most respectively forwardly crossbeam 7 He
First crossbeam 4 disperses, it is to avoid local that is excessive due to local pressure and that cause is damaged
Bad problem.Further preferred technical scheme is it may also is that described front beam 7
In described first the passenger side mount point 14 and the front of described second the passenger side mount point 15
The position of 300mm.So, the distance of 300mm, can maximally effective share
Stress, it is to avoid during power transmission, due to Path of Force Transfer is long and leaning on of causing
The local of nearly stress point first deforms or damages.Certainly, it is not limited in 300mm,
Distance can be carried out according to the force analysis of body frame structure for automotive and space and material to adjust
Whole.Further preferred technical scheme can also be: described first crossbeam 4 is positioned at
Described first the passenger side mount point 14 and the rear of described second the passenger side mount point 15
The position of 300mm, between described second cross beam 5 and described first crossbeam 4
Spacing is 300mm.So, the distance of symmetrically arranged 300mm, can be
Effectively share body parts gravity, the support force to part can be improved, and,
Can also effectively disperse the impulsive force of collision, it is to avoid during power transmission, due to
The local of the close stress point that Path of Force Transfer is long and causes first deforms or damages.
Seeing accompanying drawing 1-4, the double transom channel structure of a kind of front vehicle body of the present invention is upper
On the basis of stating technical scheme, may is that and in the middle part of described first crossbeam 4, be provided with
One cross member reinforcing plate 16, is provided with second cross beam reinforcing plate in the middle part of described second cross beam 5
17.So, strengthen first crossbeam 4 and the intensity of second cross beam 5, and,
First crossbeam 4 and second cross beam 5 add with first crossbeam reinforcing plate 16 and second cross beam
Strong plate 17 forms closed cavity, improves the local stiffness of weakness.
Above-mentioned only a kind of specific embodiment in the present invention is illustrated, but not
Can be every according to the design spirit institute in the present invention as protection scope of the present invention
The equivalence change made or modification, be all deemed to fall protection scope of the present invention.
Claims (10)
1. the double transom channel structure of front vehicle body, it is characterised in that: before including
Longeron, floor side member, front floor, first crossbeam and second cross beam, described front floor
Middle part is provided with and raises up and the centre gangway of longitudinal extension, described centre gangway
Anterior and middle part is laterally provided with the first reinforcing plate and the second reinforcing plate respectively, described
First crossbeam and described second cross beam are arranged on the lower section of described centre gangway, described
The two ends of first crossbeam respectively with described front longitudinal and described floor side member is vertical fixes,
The two ends of described second cross beam are vertical with described front longitudinal and described floor side member solid respectively
Fixed, the upper surface of described second cross beam offsets with the lower surface of described second reinforcing plate.
2., according to the double transom channel structure of claim 1 front vehicle body, it is special
Levy and be: it is recessed that described first reinforcing plate is provided with first be downwardly concaved, described
It is recessed that two reinforcing plates are provided with second be downwardly concaved, described first recessed and described
Two recessed two ends are all connected with described centre gangway by circular arc.
3., according to the double transom channel structure of claim 2 front vehicle body, it is special
Levy and be: the middle part of described second cross beam is provided with the projection being bent upwards, described convex
Rise and recessed offset with described second.
4. double horizontal according to claim 1-3 any one claim one front vehicle body
Beam channel design, it is characterised in that: described front longitudinal and described floor side member both sides are divided
It is not provided with before first be located along the same line extending beam, institute after extending beam and first
State front longitudinal and described floor side member is respectively provided on two sides with second be located along the same line
Extending beam after front extending beam and second, extends before described first crossbeam and described first
After beam and described first, extending beam position is correspondingly arranged, and described second cross beam is with described
Before second, after extending beam and described second, extending beam position is correspondingly arranged.
5. double horizontal according to claim 1-3 any one claim one front vehicle body
Beam channel design, it is characterised in that: the front of described centre gangway is provided with front beam,
The two ends of described front beam anterior with described front longitudinal and described floor side member respectively is anterior
Vertical fixing, described front beam is provided with front beam reinforcing plate.
6., according to the double transom channel structure of claim 5 front vehicle body, it is special
Levy and be: the middle part of described front longitudinal is provided with extend back rear prominent, described after
Highlighting and be provided with the first the passenger side mount point, the middle part of described floor side member is provided with prolongs forward
That stretches is front prominent, the described front prominent second the passenger side mount point that is provided with, and described first
The passenger side mount point and described second the passenger side mount point are symmetrical with the longitudinal axis of front vehicle body
Arrange.
7., according to the double transom channel structure of claim 6 front vehicle body, it is special
Levy and be: described front beam and described first crossbeam are with described first the passenger side mount point
It is symmetrical arranged with the line of described second the passenger side mount point.
8., according to the double transom channel structure of claim 7 front vehicle body, it is special
Levy and be: described front beam is positioned at described first the passenger side mount point and described second pair
Drive the position of the front 300mm of mount point.
9., according to the double transom channel structure of claim 7 front vehicle body, it is special
Levy and be: described first crossbeam is positioned at described first the passenger side mount point and described second
The position of the rear 300mm of the passenger side mount point, described second cross beam and described the
Spacing between one crossbeam is 300mm.
10. double horizontal according to claim 1-3 any one claim one front vehicle body
Beam channel design, it is characterised in that: it is provided with first crossbeam in the middle part of described first crossbeam
Reinforcing plate, is provided with second cross beam reinforcing plate in the middle part of described second cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334549.9A CN106314548B (en) | 2015-06-17 | 2015-06-17 | A kind of double transom channel structures of front vehicle body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334549.9A CN106314548B (en) | 2015-06-17 | 2015-06-17 | A kind of double transom channel structures of front vehicle body |
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| CN106314548A true CN106314548A (en) | 2017-01-11 |
| CN106314548B CN106314548B (en) | 2018-07-27 |
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| CN201510334549.9A Active CN106314548B (en) | 2015-06-17 | 2015-06-17 | A kind of double transom channel structures of front vehicle body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823397A (en) * | 2017-11-23 | 2019-05-31 | 上汽通用五菱汽车股份有限公司 | A kind of chassis front baffle assembly |
| CN111565998A (en) * | 2018-01-08 | 2020-08-21 | 戴姆勒股份公司 | Car body structure and car body |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19954296C2 (en) * | 1999-11-11 | 2003-06-18 | Porsche Ag | vehicle |
| US7104596B2 (en) * | 2003-10-16 | 2006-09-12 | Honda Motor Co., Ltd. | Vehicle body structure |
| CN202783437U (en) * | 2012-08-16 | 2013-03-13 | 东风汽车公司 | Blade electric vehicle floor board structure |
| CN203345037U (en) * | 2013-05-27 | 2013-12-18 | 广州汽车集团股份有限公司 | Automobile body frame structure |
| CN204197059U (en) * | 2014-09-30 | 2015-03-11 | 长城汽车股份有限公司 | Front floor framework structure and vehicle body and vehicle |
| CN204775505U (en) * | 2015-06-17 | 2015-11-18 | 上汽通用五菱汽车股份有限公司 | Two crossbeam access structure of preceding automobile body |
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2015
- 2015-06-17 CN CN201510334549.9A patent/CN106314548B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823397A (en) * | 2017-11-23 | 2019-05-31 | 上汽通用五菱汽车股份有限公司 | A kind of chassis front baffle assembly |
| CN111565998A (en) * | 2018-01-08 | 2020-08-21 | 戴姆勒股份公司 | Car body structure and car body |
| CN111565998B (en) * | 2018-01-08 | 2022-06-14 | 戴姆勒股份公司 | Car body structure and car body |
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| Publication number | Publication date |
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| CN106314548B (en) | 2018-07-27 |
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