CN107963130A - Front wall assembly and the automobile for including it - Google Patents
Front wall assembly and the automobile for including it Download PDFInfo
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- CN107963130A CN107963130A CN201711173888.9A CN201711173888A CN107963130A CN 107963130 A CN107963130 A CN 107963130A CN 201711173888 A CN201711173888 A CN 201711173888A CN 107963130 A CN107963130 A CN 107963130A
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- assembly
- columns
- longitudinal beam
- front wall
- girder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
- B62D21/04—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members single longitudinal type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of front wall assembly and the automobile for including it, front wall assembly includes：Preceding gutter channel assembly, left A columns assembly and right A columns assembly, passage assembly and front right longitudinal beam side girders in sequentially connected left front girder side girders, front wall are provided between left A columns assembly and right A columns assembly, the free end of both left front girder side girders and front right longitudinal beam side girders is connected with left A columns assembly and right A columns assembly respectively, is further included：Left front girder, it is connected in left front girder side girders, and its rear end is connected with left A columns assembly；Front right longitudinal beam, it is connected in front right longitudinal beam side girders, and its rear end is connected with right A columns assembly；Front panel crossbeam, it is arranged between left A columns assembly and right A columns assembly, and is connected successively with passage assembly, front right longitudinal beam and right A columns assembly in left A columns assembly, left front girder, front wall.The present invention provides a kind of front wall assembly and includes its automobile, reduces the invasion amount and acceleration of front wall assembly in collision.
Description
Technical field
The present invention relates to automobile technical field, more particularly, to a kind of front wall assembly and the automobile for including it.
Background technology
Automobile industry is in Rapid development stage, and quality and security performance requirement of the consumer to automobile is higher and higher,
In order to improve customer satisfaction, while the laws and regulations of country are responded, in automobile R＆D process, the performance of vehicle is proposed
The requirement of higher, the passive security in security performance is the protective effect for emphasizing car body to occupant, is subject to front to touch in car body
Hit or during offset collision, the invasion amount and acceleration of front wall are to weigh two key indexes of collision performance, reduce front wall invasion
Amount and reduction acceleration are the important goals of automobile research and development.
In the prior art, the front wall assembly of white body includes being disposed with from left A columns assembly to right A columns assembly left front vertical
Passage and front right longitudinal beam side girders in beam side girders, front wall, are set in left front girder side girders and front right longitudinal beam side girders respectively
There are left front girder and front right longitudinal beam.Above-mentioned front wall assembly belongs to Open architecture, when vehicle collides, only passes through preceding anticollision
Beam transmits impact, it is impossible to forms more effective cyclic structure and is transmitted, it is difficult to reduces the intrusion volume of front wall；Front wall assembly at the same time
Body stiffness it is relatively low, it is smaller to the contribution amount of body stiffness, not only influence other systems part installation and use, but also
Influence the performance of vehicle body.Above-mentioned front wall assembly may also include front panel crossbeam, the both ends of front panel crossbeam respectively with left front girder
It is welded to connect with front right longitudinal beam.The front wall assembly belongs to semi open model structure, reduces the amount of being shortlisted for a certain extent, reduces
Acceleration, but general increase effect is limited.
Therefore, it is necessary to a kind of front wall assembly and the automobile for including it, to solve the above problems.
The content of the invention
In view of this, it is an object of the invention to propose a kind of front wall assembly and include its automobile, in collision process
Scattered impact force can be effectively transmitted, reduces the invasion amount of front wall assembly in collision, lifts collision performance and security performance, moreover it is possible to
Lift the overall stiffness of front wall assembly and vehicle body.
Based on a kind of above-mentioned purpose front wall assembly provided by the invention, including：Preceding gutter channel assembly and from the preceding stream
The left A columns assembly and right A columns assembly that sink assembly opposite end extends, between the left A columns assembly and the right A columns assembly
It is provided with passage assembly and front right longitudinal beam side girders in sequentially connected left front girder side girders, front wall, the left front girder side
The free end of both side bar and the front right longitudinal beam side girders is connected with the left A columns assembly and the right A columns assembly respectively, also
Including：
Left front girder, the left front girder is connected in the left front girder side girders, and the rear end of the left front girder
It is connected with the left A columns assembly；
Front right longitudinal beam, the front right longitudinal beam is connected in the front right longitudinal beam side girders, and the rear end of the front right longitudinal beam
It is connected with the right A columns assembly；
Front panel crossbeam, the front panel crossbeam are arranged between the left A columns assembly and the right A columns assembly, and according to
Passage assembly, the front right longitudinal beam and the right A columns assembly in secondary and the left A columns assembly, the left front girder, the front wall
Connection.The cyclic structure of multiple closings is formed in front wall assembly, scattered impact force can be effectively transmitted in collision process, is dropped
The invasion amount and acceleration of front wall assembly, improve collision performance, security performance and stability, moreover it is possible to improve front wall in low collision
The overall stiffness of assembly and vehicle body.
Preferably, the left front girder includes left front girder leading portion assembly and left front girder back segment assembly, described left front vertical
Beam leading portion assembly and the left front girder back segment assembly are connected with the left front girder side girders, and the left front girder leading portion is total
Into for being connected with front anti-collision beam, the left front girder is connected by the left front girder back segment assembly with the left A columns assembly.
Left front girder leading portion assembly and left front girder back segment assembly can improve the intensity of front wall assembly, reduce front wall assembly when hitting and invade
Enter amount and acceleration, further improve collision performance.
Preferably, the front right longitudinal beam includes front right longitudinal beam leading portion assembly and front right longitudinal beam back segment assembly, is indulged before the right side
Beam leading portion assembly and the front right longitudinal beam back segment assembly are connected with the front right longitudinal beam side girders, and the front right longitudinal beam leading portion is total
Into for being connected with the front anti-collision beam, the front right longitudinal beam passes through the front right longitudinal beam back segment assembly and the right A columns assembly
Connection.Front right longitudinal beam leading portion assembly and front right longitudinal beam back segment assembly can improve the intensity of front wall assembly, reduce front wall when hitting
Assembly intrusion volume and acceleration, further improve collision performance.
Preferably, the width of the left front girder back segment assembly from left front girder leading portion assembly to the left A columns assembly by
It is cumulative to add；The width of the front right longitudinal beam back segment assembly gradually increases from front right longitudinal beam leading portion assembly to the right A columns assembly.It is left
It is gradual change width that front longitudinal back segment assembly and front right longitudinal beam back segment assembly, which are set, can further improve front longitudinal back segment assembly with
The bonding strength of A column assemblies, while impact can be effectively transmitted easy to front longitudinal back segment assembly, reduce to body front wall assembly
Impact.
Preferably, between the left front girder leading portion assembly and the front anti-collision beam and the front right longitudinal beam leading portion assembly
Energy-absorption box is both provided between the front anti-collision beam.Energy-absorption box can further improve the collision performance and safety of front wall assembly
Performance, reduces the impact to front wall assembly.
Preferably, the front wall assembly further includes：Riser in front wall, it is total to be arranged on the left A columns for riser in the front wall
Into between the right A columns assembly, and in the front wall riser both ends respectively with the preceding gutter channel assembly and the front wall
Plate crossbeam connects.Riser can further improve the intensity of preceding gutter channel assembly and front panel crossbeam in front wall, avoid it from being subject to just
Face deforms when hitting, while reasonable Arrangement loop configuration.
Preferably, the peripheral edge of riser is along welding edge is above provided with the front wall, and riser passes through described in the front wall
Welding edge is fixed with the preceding gutter channel assembly and with the front panel beam welding.By the way that weldering is set on riser in front wall
Edge fit, can be to realize that riser is effectively fixed with front wall assembly in front wall, improves bonding strength, reduces installation difficulty.
Preferably, the front panel crossbeam includes：Front panel cross-beam body and opposite from the front panel cross-beam body
The first mounting portion and the second mounting portion that both ends each extend over out, first mounting portion are used to connect the left front girder and institute
Left A columns assembly is stated, second mounting portion is used to connect the front right longitudinal beam and the right A columns assembly.Front panel crossbeam is with before
The miscellaneous part for enclosing assembly coordinates, and the cyclic structure of multiple closings is formed in front wall assembly, can be effectively in collision process
Scattered impact force is transmitted, the invasion amount and acceleration of front wall assembly in collision is reduced, improves collision performance and security performance, also
The overall stiffness of front wall assembly and vehicle body can be improved.
Furthermore it is preferred that the width of first mounting portion along the front panel cross-beam body extending direction by near and
Remote gradually increase；The width of second mounting portion from the close-by examples to those far off gradually increases along the front panel cross-beam body extending direction
Add.By setting the width of gradual change to mounting portion, the bonding strength of mounting portion and A column assemblies is can further improve, is easy at the same time
Mounting portion can effectively transmit impact, reduce the impact to body front wall assembly.
The present invention also provides a kind of automobile, the automobile includes front wall assembly described above.Shape in the front wall assembly of automobile
Into the cyclic structure of multiple closings, scattered impact force can be effectively transmitted in collision process, reduces front wall assembly in collision
Invasion amount, improves collision performance and security performance, moreover it is possible to lifts the overall stiffness of front wall assembly and vehicle body.
From the above it can be seen that front wall assembly provided by the invention and include its automobile, compared with prior art,
Has the following advantages：First, front panel crossbeam successively with passage assembly, front right longitudinal beam in left A columns assembly, left front girder, front wall
Connected with right A columns assembly, multiple annular enclosed structures are formed in front wall assembly, and multiple annular enclosed structures pass through front panel
Crossbeam closely connects, and ensures the continuity of load transfer path, is connected with each other to transmit dispersing impact forces, avoids impact transmission
During mutation or interrupt, load is farthest distributed to other regions of car body, reduces the invasion of front wall assembly in collision
Amount and acceleration, further lift vehicle body collision performance, security performance and stability, moreover it is possible to improve the whole of front wall assembly and vehicle body
Body rigidity.Second, riser in front wall is added between front panel crossbeam and preceding gutter channel assembly, the rigidity of passage and steady in raising
It is qualitative；Reasonable distribution distributes layout of the cyclic structure in front wall assembly, to further improve the stability of front wall assembly and strong
Degree, reduces the intrusion volume and acceleration of front wall assembly when hitting.
Brief description of the drawings
By the way that embodiment is described below in conjunction with the accompanying drawings, features described above of the invention and technological merit will become
More understand and be readily appreciated that.
Fig. 1 is the schematic diagram of the front wall assembly used in the specific embodiment of the invention.
Wherein reference numeral：
1：Preceding gutter channel assembly；2：Riser in front wall；3：Right A columns assembly；
4：Front right longitudinal beam leading portion assembly；5：Front right longitudinal beam back segment assembly；6：Front panel crossbeam；
61：Front panel cross-beam body；62：First mounting portion；63：Second mounting portion；
7：Front right longitudinal beam side girders；8：Passage assembly in front wall；9：Left front girder side girders；
10：Left front girder back segment assembly；11：Left A columns assembly；12：Left front girder leading portion assembly；
①：First cyclic structure；②：Second cyclic structure；③：3rd cyclic structure；
④：Fourth annular structure；⑤：5th cyclic structure；⑥：6th cyclic structure.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.Wherein identical parts are presented with like reference characters.Need what is illustrated
It is that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to the direction in attached drawing.Use
Word " interior " and " outer " refer respectively to towards or away from the direction of particular elements geometric center.
Fig. 1 is the schematic diagram of the front wall assembly used in the specific embodiment of the invention.As shown in Figure 1, front wall assembly includes：
Passage assembly 8, front right longitudinal beam in preceding gutter channel assembly 1, left A columns assembly 11, right A columns assembly 3, left front girder side girders 9, front wall
Side girders 7, left front girder, front right longitudinal beam and front panel crossbeam 6.
Front wall assembly includes：Preceding gutter channel assembly 1 and the left A columns extended from preceding 1 opposite end of gutter channel assembly are total
Into 11 and right A columns assembly 3, be provided between left A columns assembly 11 and right A columns assembly 3 sequentially connected left front girder side girders 9,
Both free ends of passage assembly 8 and front right longitudinal beam side girders 7 in front wall, left front girder side girders 9 and front right longitudinal beam side girders 7
It is connected respectively with left A columns assembly 11 and right A columns assembly 3.Front wall assembly further includes：
Left front girder is connected in left front girder side girders 9, and the rear end of left front girder is connected with left A columns assembly 11.
Front right longitudinal beam is connected in front right longitudinal beam side girders 7, and the rear end of front right longitudinal beam is connected with right A columns assembly 3.
Front panel crossbeam 6 is arranged between left A columns assembly 11 and right A columns assembly 3, and successively with left A columns assembly 11, left front
Passage assembly 8, front right longitudinal beam and right A columns assembly 3 connect in longeron, front wall.
The front end of both left front girder and front right longitudinal beam is connected with front anti-collision beam, both left front girder and front right longitudinal beam
Rear end is connected with left A columns assembly 11 and right A columns assembly 3 respectively, front panel crossbeam 6 successively with left A columns assembly 11, left front girder,
Passage assembly 8, front right longitudinal beam and right A columns assembly 3 connect in front wall, to form the ring-type knot of multiple closings in front wall assembly
Structure, can effectively transmit scattered impact force in collision process, reduce the invasion amount and acceleration of front wall assembly in collision, lifting
Collision performance, security performance and stability, moreover it is possible to improve the overall stiffness of front wall assembly and vehicle body.
To improve the intensity of front wall assembly, front wall assembly intrusion volume and acceleration when hitting are reduced, further improves collision
Performance, it is preferable that left front girder includes left front girder leading portion assembly 12 and left front girder back segment assembly 10, and left front girder leading portion is total
It is connected into 12 and left front girder back segment assembly 10 with left front girder side girders 9, left front girder leading portion assembly 12 is used to prevent with preceding
The connection of beam (not shown) is hit, left front girder is connected by left front girder back segment assembly 10 with left A columns assembly 11.
To improve the intensity of front wall assembly, front wall assembly intrusion volume and acceleration when hitting are reduced, further improves collision
Performance, it is preferable that front right longitudinal beam includes front right longitudinal beam leading portion assembly 4 and front right longitudinal beam back segment assembly 5, front right longitudinal beam leading portion assembly
4 and front right longitudinal beam back segment assembly 5 be connected with front right longitudinal beam side girders 7, front right longitudinal beam leading portion assembly 4 be used for and front anti-collision beam connect
Connect, front right longitudinal beam is connected by front right longitudinal beam back segment assembly 5 with right A columns assembly 3.
To further improve the bonding strength of front longitudinal back segment assembly and A column assemblies, while it is easy to front longitudinal back segment assembly
Impact can effectively be transmitted, reduce the impact to body front wall assembly, it is preferable that the width of left front girder back segment assembly 10 from
Left front girder leading portion assembly 12 gradually increases to left A columns assembly 11；The width of front right longitudinal beam back segment assembly 5 is from front right longitudinal beam leading portion
Assembly 4 gradually increases to right A columns assembly 3.10/ front right longitudinal beam back segment assembly 5 of left front girder back segment assembly passes to impact
The left right A columns assembly 3 of A columns assembly 11/, 10/ front right longitudinal beam back segment assembly 5 of left front girder back segment assembly are total with left front girder leading portion
Gradually increase into 12/ front right longitudinal beam leading portion assembly 4 to the right A columns assembly 3 of left A columns assembly 11/ so that left front girder back segment assembly
Effective contact area increase is, it can be achieved that impact between 10/ front right longitudinal beam back segment assembly 5 and the right A columns assembly 3 of left A columns assembly 11/
Effective transmission.
To further improve the collision performance of front wall assembly and security performance, the impact to front wall assembly is reduced, it is preferable that
Suction is both provided between left front girder leading portion assembly 12 and front anti-collision beam and between front right longitudinal beam leading portion assembly 4 and front anti-collision beam
Can box (not shown).When vehicle collides, whole impacts are absorbed and reduce or remit front longitudinal by self-deformation by energy-absorption box
Injury.Energy-absorption box is arranged between front anti-collision beam and front longitudinal front end assembly, and the energy produced in vehicle collisions is timely
Energy-absorption box is passed to, reduces the invasion amount of front wall assembly.
To further improve the intensity of preceding gutter channel assembly and front panel crossbeam, it is avoided to become when being subject to frontal impact
Shape, while reasonable Arrangement loop configuration, it is preferable that front wall assembly further includes：Riser 2 in front wall, riser 2 is arranged on a left side in front wall
Between A columns assembly 11 and right A columns assembly 3, and in front wall riser 2 both ends respectively with preceding gutter channel assembly 1 and front panel crossbeam 6
Connection.In front wall 1. riser 2, preceding gutter channel assembly 1, left A columns assembly 11 and front panel crossbeam 6 form the first cyclic structure；Before
Enclose middle riser 2, preceding gutter channel assembly 1, right A columns assembly 3 and front panel crossbeam 6 and form the second cyclic structure 2..
In the present embodiment, riser 2 is coaxially disposed with passage assembly 8 in front wall in front wall, left A columns assembly 11 and right A columns
Assembly 3 is symmetrical arranged on riser in front wall 2, and the upper end of riser 2 and the middle part of preceding gutter channel assembly 1 are welded and fixed in front wall；
The lower end of riser 2 is welded and fixed with front panel crossbeam 6 in front wall.
To realize, riser is effectively fixed with front wall assembly in front wall, improves bonding strength, reduces installation difficulty, it is preferable that
The peripheral edge of riser 2 is along being above provided with welding edge in front wall, in front wall riser 2 by welding edge and preceding gutter channel assembly 1 and
It is welded and fixed with front panel crossbeam 6.
In the present embodiment, riser 2 is welded and fixed by the welding edge of the upper end with preceding gutter channel assembly 1 in front wall；Before
Middle riser 2 is enclosed to be welded and fixed with front panel crossbeam 6 by the welding edge of its lower end.In addition, it can also be set on riser 2 in front wall
Reinforcing plate, reinforcing plate are set along the extending direction of riser in front wall 2, reinforcing plate can improve in front wall the intensity of riser 2 and
Rigidity.
Preferably, front panel crossbeam 6 includes：Front panel cross-beam body 61 and from 61 opposite end of front panel cross-beam body
The first mounting portion 62 and the second mounting portion 63 each extended over out, the first mounting portion 62 is used to connect left front girder and left A columns are total
It is used to connect front right longitudinal beam and right A columns assembly 3 into 11, second mounting portions 63.Front panel crossbeam 6 is arranged in front wall assembly, the
One mounting portion 62 is used to connect left A columns assembly 11 and left front girder, and front panel cross-beam body 61 is used to connect left front girder and the right side
Front longitudinal, the second mounting portion 63 are used to connect front right longitudinal beam and right A columns assembly 3；Front panel crossbeam 3 and other portions of front wall assembly
Part coordinates, and the cyclic structure of multiple closings is formed in front wall assembly, scattered impact force can be effectively transmitted in collision process,
The invasion amount and acceleration of front wall assembly in collision are reduced, improves collision performance and security performance, moreover it is possible to improve front wall assembly
With the overall stiffness of vehicle body.
In the present embodiment, front panel cross-beam body 61 includes substrate and from the side that substrate opposite sides each extends over out
Wall, the free end of side wall are provided with welding edge.
First mounting portion 62 includes first substrate and the first side wall that is each extended over out from first substrate opposite sides, and first
The free end of side wall is provided with welding edge, first substrate by substrate left end it is obliquely outward formed, two the first side walls point
Obliquely outward do not formed by the left end of two opposite side walls.Wherein, the first welding edge is structure as a whole with welding edge, the
The width of one welding edge is slightly larger than the width of welding edge.
Second mounting portion 63 includes second substrate and the second sidewall that is each extended over out from second substrate opposite sides, and second
The free end of side wall is provided with welding edge, second substrate by substrate right end it is obliquely outward formed, two second sidewalls point
Do not tilted by the right end of two opposite side walls and think that I extends to form.Wherein, the second welding edge is structure as a whole with welding edge, the
The width of two welding edges is slightly larger than the width of welding edge.
To realize effective fixed, the raising bonding strength of mounting portion and A column assemblies, reduction installation difficulty, the first mounting portion
62 free end is provided with the first welding edge, and the first mounting portion 62 is welded and fixed by the first welding edge and left A columns assembly 11.The
The free end of two mounting portions 63 is provided with the second welding edge, and the second mounting portion 63 is welded by the second welding edge and right A columns assembly 3
It is fixed.
In the present embodiment, the first welding edge and the second welding edge include multiple independent welding sections, multiple welding sections
It is sequentially distributed along the circumferential direction of the free end of the first mounting portion 62, to realize being bonded for the first mounting portion 62 and left A columns assembly 11
Welding；Multiple welding sections are sequentially distributed along the circumferential direction of the free end of the second mounting portion 63, to realize the second mounting portion 33 and right A
The fitting welding of column assembly 4.
To further improve the bonding strength of mounting portion and A column assemblies, while it is easily installed portion and can effectively transmits shock
Power, reduces the impact to body front wall assembly, furthermore it is preferred that the width of the first mounting portion 62 is along front panel cross-beam body
62 extending directions from the close-by examples to those far off gradually increase；The width of second mounting portion 63 is along 61 extending direction of front panel cross-beam body by near
And remote gradually increase.After front panel cross-beam body 61 is hit, impact is from front panel cross-beam body 61 to the first mounting portion
62 and second mounting portion 63 transmit, and pass through the first mounting portion 62 and the second mounting portion 63 to the left A columns assembly 11 transmit and right A columns
Assembly 3 transmits.With the increase of the width of the first mounting portion 62 and the second mounting portion 63, the first mounting portion 62 and left A columns assembly 11
Effective contact area and the second mounting portion 63 increase effective biography, it can be achieved that impact with right 3 effective contact area of A columns assembly
Pass.
In the present embodiment, the cross section of the first mounting portion 62 is in "Ji" type, from close to front panel cross-beam body 61 to
Away from front panel crossbeam 61, the cross-sectional area of the first mounting portion 62 is in gradually increase state.The cross section of second mounting portion 63 is in
"Ji" type, the cross-sectional area from close to front panel cross-beam body 61 to away from front panel crossbeam 61, the second mounting portion 63 be in by
Cumulative plus state.
Impact can be effectively transmitted to reduce the dismounting difficulty of mounting portion and A column assemblies, while being easily installed portion, preferably
Ground, both extending directions of 61 and first mounting portion 62 of front panel cross-beam body in angle setting, the scope of angle is 120 °~
150°；For 61 and second both extending directions of mounting portion 63 of front panel cross-beam body in angle setting, the scope of angle is 120 °
~150 °.
In the present embodiment, the first mounting portion 62, the first installation are obliquely extended from from the left end of front panel cross-beam body 61
The angle of both extending directions of portion 62 and front panel crossbeam 61 is 135 °；Extension is tilted from the right end of front panel cross-beam body 61
Go out the second mounting portion 63, the angle of the second mounting portion 63 and the extending direction of both front panel crossbeams 61 is 135 °.
To improve the rigidity and collision performance of mounting portion, effectively to transmit impact, furthermore it is preferred that the first peace
Reinforcing rib is both provided with 32 and/or second mounting portion 33 of dress portion.
In the present embodiment, it is provided with the first reinforcing rib on the first mounting portion 62, the first reinforcing rib is along the first mounting portion
62 extending direction is set；It is provided with the second reinforcing rib on second mounting portion 63, the second reinforcing rib is along the second mounting portion 63
Extending direction is set.
To simplify production stage, while uniformly transferred easy to impact on front panel crossbeam 6, front panel crossbeam 6 uses
Symmetrical structure, the first mounting portion 62 are identical with the shape and size of the second mounting portion 63.In addition, according to actual installation situation, it is preceding
Coaming plate crossbeam 6 can use integrative-structure, or Split type structure.
The installation of front wall assembly is described further below and using process.
The installation process of front wall assembly includes：
First, left A columns assembly 11 and right A columns assembly 3 are oppositely arranged at the both ends of preceding gutter channel assembly 1, left A columns assembly 11
Before being weldingly fixed on both upper ends of right A columns assembly 3 on gutter channel assembly 1；Both left A columns assembly 11 and right A columns assembly 3
Lower end between be provided with passage assembly 8 and front right longitudinal beam side girders 7 in sequentially connected left front girder side girders 9, front wall, it is left
Front longitudinal side girders 9 and both free ends of front right longitudinal beam side girders 7 are solid with left A columns assembly 11 and the welding of right A columns assembly 3 respectively
It is fixed.
Secondly, left front girder and front right longitudinal beam are connected in left front girder side girders 9 and front right longitudinal beam side girders 7,
Left front girder leading portion assembly 12 and both front ends of front right longitudinal beam leading portion assembly 4 are welded and fixed with front anti-collision beam；Left front girder
Back segment assembly 10 and both rear ends of front right longitudinal beam back segment assembly 5 are welded and fixed with left A columns assembly 11 and right A columns assembly 3 respectively.
Finally, front panel crossbeam 6 from left to right successively with passage assembly 8 in left A columns assembly 11, left front girder, front wall, right
Front longitudinal and right A columns assembly 3 are welded and fixed；In front wall the both ends of riser 2 respectively with preceding gutter channel assembly 1 and front panel crossbeam 6
It is welded and fixed.Wherein, riser 2 is enclosed first in preceding gutter channel assembly 1, left A columns assembly 11, front panel crossbeam 6 and front wall
Cyclic structure is 1.；Riser 2 is enclosed the second ring-type in preceding gutter channel assembly 1, right A columns assembly 3, front panel crossbeam 6 and front wall
Structure is 2.；Second mounting portion 63, right A columns assembly 3, front right longitudinal beam side girders 7 and front right longitudinal beam are enclosed the 3rd cyclic structure
③；Passage assembly 8 is enclosed fourth annular in front panel cross-beam body 61, front right longitudinal beam, front right longitudinal beam side girders 7 and front wall
Structure is 4.；Passage assembly 8 is enclosed the 5th in front panel cross-beam body 61, left front girder, left front girder side girders 9 and front wall
Cyclic structure is 5.；First mounting portion 62, left front girder, left front girder side girders 9 and left A columns assembly 11 are enclosed the 6th ring-type
Structure is 6..Wherein, cyclic structure includes but not limited to circular or nearly circular or triangular shape or nearly triangular shape or other are polygon
Shape and structure.
By forming multiple annular enclosed structures in front wall assembly, scattered collision can be effectively transmitted in collision process
Power, reduces the invasion amount and acceleration of front wall assembly in collision, improves collision performance, security performance and stability；It is and multiple
Annular enclosed close structure connection, not only increases the local stiffness and intensity of vehicle body, has also effectively added the firm of vehicle body entirety
Degree and intensity.
The present invention also provides a kind of automobile, automobile includes front wall assembly described above.Formed in the front wall assembly of automobile more
The cyclic structure of a closing, can effectively transmit scattered impact force in collision process, reduce the invasion of front wall assembly in collision
Amount, improves collision performance and security performance, moreover it is possible to lift the overall stiffness of front wall assembly and vehicle body.
Understood from the description above with practice, front wall assembly provided by the invention and the automobile for including it, with the prior art
Compare, has the following advantages：First, front panel crossbeam successively with passage assembly in left A columns assembly, left front girder, front wall, it is right before
Longeron is connected with right A columns assembly, forms multiple annular enclosed structures in front wall assembly, and multiple annular enclosed structures pass through it is preceding
Coaming plate crossbeam closely connects, and ensures the continuity of load transfer path, is connected with each other to transmit dispersing impact forces, avoids impact
It is mutated or interrupts in transmittance process, load is farthest distributed to other regions of car body, reduces front wall assembly in collision
Invasion amount and acceleration, further lift vehicle body collision performance, security performance and stability, moreover it is possible to improve front wall assembly and vehicle body
Overall stiffness.Second, riser in front wall, the rigidity of passage in raising are added between front panel crossbeam and preceding gutter channel assembly
And stability；Reasonable distribution distributes layout of the cyclic structure in front wall assembly, to further improve the stability of front wall assembly
And intensity, the intrusion volume and acceleration of front wall assembly when reducing shock.
Those of ordinary skills in the art should understand that：The foregoing is merely the specific embodiment of the present invention, and
The limitation present invention is not used in, all any modification, equivalent substitution, improvement and etc. within the purport of the present invention, done, should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of front wall assembly, including：Preceding gutter channel assembly and the left A extended from the preceding gutter channel assembly opposite end
Column assembly and right A columns assembly, sequentially connected left front girder side is provided between the left A columns assembly and the right A columns assembly
Passage assembly and front right longitudinal beam side girders in side bar, front wall, the left front girder side girders and the front right longitudinal beam side girders two
The free end of person is connected with the left A columns assembly and the right A columns assembly respectively, it is characterised in that is further included：
Left front girder, the left front girder are connected in the left front girder side girders, and the rear end of the left front girder and institute
State left A columns assembly connection；
Front right longitudinal beam, the front right longitudinal beam are connected in the front right longitudinal beam side girders, and the rear end of the front right longitudinal beam and institute
State right A columns assembly connection；
Front panel crossbeam, the front panel crossbeam are arranged between the left A columns assembly and the right A columns assembly, and successively with
Passage assembly, the front right longitudinal beam and the right A columns assembly connect in the left A columns assembly, the left front girder, the front wall
Connect.
2. front wall assembly according to claim 1, it is characterised in that
The left front girder includes left front girder leading portion assembly and left front girder back segment assembly, the left front girder leading portion assembly and
The left front girder back segment assembly is connected with the left front girder side girders, and the left front girder leading portion assembly is used to prevent with preceding
Beam connection is hit, the left front girder is connected by the left front girder back segment assembly with the left A columns assembly.
3. front wall assembly according to claim 2, it is characterised in that
The front right longitudinal beam includes front right longitudinal beam leading portion assembly and front right longitudinal beam back segment assembly, the front right longitudinal beam leading portion assembly and
The front right longitudinal beam back segment assembly is connected with the front right longitudinal beam side girders, the front right longitudinal beam leading portion assembly be used for it is described
Front anti-collision beam connects, and the front right longitudinal beam is connected by the front right longitudinal beam back segment assembly with the right A columns assembly.
4. front wall assembly according to claim 3, it is characterised in that
The width of the left front girder back segment assembly gradually increases from left front girder leading portion assembly to the left A columns assembly；It is described
The width of front right longitudinal beam back segment assembly gradually increases from front right longitudinal beam leading portion assembly to the right A columns assembly.
5. according to claim 2 to 4 any one of them front wall assembly, it is characterised in that
Between the left front girder leading portion assembly and the front anti-collision beam and the front right longitudinal beam leading portion assembly with it is described preceding anti-
Hit and be both provided with energy-absorption box between beam.
6. front wall assembly according to any one of claims 1 to 4, it is characterised in that
The front wall assembly further includes：Riser in front wall, riser is arranged on the left A columns assembly and the right A in the front wall
Between column assembly, and the both ends of riser are connected with the preceding gutter channel assembly and the front panel crossbeam respectively in the front wall.
7. front wall assembly according to claim 6, it is characterised in that
The peripheral edge of riser is along being above provided with welding edge in the front wall, in the front wall riser by the welding edge with it is described
Preceding gutter channel assembly and fixed with the front panel beam welding.
8. front wall assembly according to any one of claims 1 to 4, it is characterised in that
The front panel crossbeam includes：Front panel cross-beam body and each extended over from the front panel cross-beam body opposite end
The first mounting portion and the second mounting portion gone out, first mounting portion are used to connect the left front girder and the left A columns assembly,
Second mounting portion is used to connect the front right longitudinal beam and the right A columns assembly.
9. front wall assembly according to claim 8, it is characterised in that
The width of first mounting portion from the close-by examples to those far off gradually increases along the front panel cross-beam body extending direction；Described
The width of two mounting portions from the close-by examples to those far off gradually increases along the front panel cross-beam body extending direction.
10. a kind of automobile, it is characterised in that the automobile includes such as claim 1 to 9 any one of them front panel crossbeam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711173888.9A CN107963130B (en) | 2017-11-22 | 2017-11-22 | Front wall assembly and automobile including it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711173888.9A CN107963130B (en) | 2017-11-22 | 2017-11-22 | Front wall assembly and automobile including it |
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| CN107963130A true CN107963130A (en) | 2018-04-27 |
| CN107963130B CN107963130B (en) | 2019-08-13 |
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| CN109591894A (en) * | 2018-12-17 | 2019-04-09 | 威马汽车科技集团有限公司 | Vehicle front pillar assembly and automobile |
| CN111137362A (en) * | 2018-11-06 | 2020-05-12 | 广州汽车集团股份有限公司 | Preceding bounding wall assembly, preceding cabin assembly and vehicle |
| CN111806573A (en) * | 2020-07-29 | 2020-10-23 | 宝能(广州)汽车研究院有限公司 | Front cabin assembly of vehicle and vehicle with same |
| CN112572618A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Vehicle front cabin structure and vehicle |
| CN113306633A (en) * | 2021-06-22 | 2021-08-27 | 安徽江淮汽车集团股份有限公司 | Automobile longitudinal beam force transmission structure |
| CN114715288A (en) * | 2021-01-05 | 2022-07-08 | 广州汽车集团股份有限公司 | Front structure of vehicle body |
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| CN107963130B (en) | 2019-08-13 |
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