CN105480307A - Channel connection structure for front enclosing plate and front floor - Google Patents

Channel connection structure for front enclosing plate and front floor Download PDF

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Publication number
CN105480307A
CN105480307A CN201410471995.XA CN201410471995A CN105480307A CN 105480307 A CN105480307 A CN 105480307A CN 201410471995 A CN201410471995 A CN 201410471995A CN 105480307 A CN105480307 A CN 105480307A
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China
Prior art keywords
assembly
panel
front floor
brace panel
connection structure
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CN201410471995.XA
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Chinese (zh)
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CN105480307B (en
Inventor
韦学丽
谢贵山
罗覃月
高键镒
许冰
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SAIC GM Wuling Automobile Co Ltd
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SAIC GM Wuling Automobile Co Ltd
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Priority to CN201410471995.XA priority Critical patent/CN105480307B/en
Publication of CN105480307A publication Critical patent/CN105480307A/en
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Abstract

The invention discloses a channel connection structure for a front enclosing plate and a front floor. A front enclosing plate assembly and a front floor assembly are formed to be a channel. The front part of the channel is provided with a first reinforcing cavity at the lower part of the front enclosing plate assembly in an upward direction. The back part of the channel is provided with a second reinforcing cavity at the lower part of the front floor assembly in an upward direction. A reinforcing device is arranged between the front enclosing plate assembly and the front floor assembly. At least two three-layer plate welds are formed on the reinforcing device between the front enclosing plate assembly and the front floor assembly and on the front enclosing plate assembly and the front floor assembly along an X direction. The channel connection structure for the front enclosing plate and the front floor has following beneficial effects: the channel connection structure is simple in structure and low in manufacture cost and suitable for an integral and split front floor assembly; and the channel connection structure is broad in application range, firmer in channel connection, little in collision deformation and fine in safety performance.

Description

A kind of front panel and front floor tunnel connection structure
Technical field
The present invention relates to a kind of passage, particularly relate to a kind of front panel and front floor tunnel connection structure.
Background technology
At present, in the vehicle of some collision stars higher (four stars and more than), for reducing the collision intrusion volume of front panel and the normal work of the air bag control module that ensures safety (ECU) 5, all take to strengthen structure in the expanding channels region of front panel assembly 1 with front floor assembly 2, as: passage panel beating adopts high strength steel, expanding channels region increases brace panel 3 (figure mono-) even crossbeam.Its shortcoming is mainly: centre gangway uses high strength steel cost high; Centre gangway and floor body use different materials to be only applicable to sectional type front floor component, are not suitable for integrally plate structure; Though front panel and front floor overlapping regions use beam structure to overlap, structure is strong but cost is high.
Summary of the invention
The present invention completes to solve deficiency of the prior art, the object of this invention is to provide that a kind of structure is simple, low cost of manufacture, integral type and split type front floor assembly can be applicable to simultaneously, Applicable scope is wider, expanding channels more firmly, produce the front panel and front floor tunnel connection structure that distortion is little, safety performance is good in collision process.
A kind of front panel of the present invention and front floor tunnel connection structure, front panel assembly and front floor assembly form passage, state channel front portion to be positioned at front panel assembly bottom and to be upwardly-directed provided with Y and to move towards the first reinforcement cavity, the below that described channel rear portion is positioned at described front floor assembly is provided with Y and moves towards the second reinforcement cavity, stiffening device is provided with between described front panel assembly and described front floor assembly, described stiffening device from described front panel assembly to described front floor assembly between move towards to form at least two three ply board welds along X with described front panel assembly and described front floor assembly.。
A kind of front panel of the present invention and front floor tunnel connection structure can also be:
Described stiffening device comprises the first brace panel and the second brace panel, described first brace panel is positioned at above described front panel assembly, described front panel assembly latter half and described first brace panel surround described first and strengthen cavity, described second brace panel is positioned at below described front floor assembly, and described second brace panel and described front floor assembly centre portion form described second and strengthen cavity.
The area of described second cavity is greater than the area of described first cavity.
The front portion of described front panel assembly rear portion and the first brace panel postmedian and described second brace panel overlaps to form first three ply board weld, and anterior, the described second brace panel front portion of described front floor assembly and described first brace panel rear portion form second three ply board weld.
Described reinforcement structure also comprises the 3rd brace panel, and described 3rd brace panel, between described front floor assembly and described second brace panel, forms described second between described second brace panel and described 3rd brace panel and strengthens cavity.
Form between described second brace panel and described front floor assembly that Y moves towards the 3rd strengthens cavity, and the described 3rd strengthens cavity is positioned at below described front floor assembly, and the described 3rd strengthens cavity is positioned at described second and strengthens above cavity.
Described front floor assembly front portion, the first brace panel, the second brace panel and the 3rd brace panel are combined to form at least one place three ply board weld.
Described front floor assembly front middle part, described 3rd brace panel front portion and described second brace panel front middle part form the 3rd three ply board weld from top to bottom, and described front floor assembly postmedian, described 3rd splice postmedian and upper second brace panel rear portion form the 4th three ply board weld from top to bottom.
What be arranged in order from front to back is front panel assembly, the first brace panel, front floor assembly, the second brace panel and described 3rd brace panel, is arranged in order from top to bottom as front floor assembly, the 3rd brace panel, the second brace panel, the first brace panel and front panel assembly.
Described front panel assembly, front floor assembly and stiffening device are made by common cold-rolled steel material.
A kind of front panel of the present invention and front floor tunnel connection structure, described channel front portion is positioned at front panel assembly bottom and is upwardly-directed provided with Y and moves towards the first reinforcement cavity, the below that described channel rear portion is positioned at described front floor assembly is provided with Y and moves towards the second reinforcement cavity, be provided with stiffening device between described front panel assembly and described front floor assembly, described stiffening device from described front panel assembly to described front floor assembly between move towards to form at least two three ply board welds along X with described front panel assembly and described front floor assembly.Like this, when the star automobile being provided with front panel of the present invention and front floor tunnel connection structure collides, after the direction of transfer of power goes to car by car, pressure feedback in front panel assembly and front floor assembly junction by parts such as driving engines acts on, the direction of power is along X to there being certain angle, low after front height.And be arranged at front panel assembly bottom first strengthening cavity and being positioned at the direction of transfer that second below described front floor assembly strengthens power when cavity is just in time corresponding collision upwardly-directed, therefore when car body expands, on passage, stressed being passed to respectively when the first reinforcement cavity and second strengthens cavity is effectively stopped, reduce the intrusion volume of front panel assembly when colliding, passage is kept to be out of shape on a small quantity, the position making airbag control module can place how closer headstock still can normally work, this design expands usable range to arrangement of parts, improve vehicle security, cost compare is low simultaneously.Because relative intensity increases, can strengthen by impact resistance, the advantage had in terms of existing technologies is: front panel assembly, front floor assembly and stiffening device can be all supported by common cold-rolled steel also can ensure safety performance.Manufacturing cost reduces, ensure safety performance, be both applicable to integral type front panel assembly, also goes for split type front panel assembly, expands Applicable scope, has usability widely.
Accompanying drawing explanation
Fig. 1 prior art front panel and front floor tunnel connection structure and inner plate of car door assembly drowing.
A kind of front panel of Fig. 2 the present invention and front floor tunnel connection structure embodiment birds-eye view.
A kind of front panel of Fig. 3 the present invention and front floor tunnel connection structure embodiment upward view.
A-A section drawing in a kind of front panel of Fig. 4 the present invention and front floor tunnel connection structure Fig. 2.
A kind of front panel of Fig. 5 the present invention and front floor tunnel connection structure Local map.
B-B section drawing in a kind of front panel of Fig. 6 the present invention and front floor tunnel connection structure Fig. 5.
A kind of front panel of Fig. 7 the present invention and front floor tunnel connection structure overall schematic.
Figure number explanation
1 ... front panel assembly 2 ... front floor assembly 3 ... strap stiffener
4 ... crossbeam 5 ... airbag control module 6 ... first strengthens cavity
7 ... second strengthens cavity 8 ... 3rd strengthens cavity 9 ... first brace panel
10 ... second brace panel 11 ... 3rd brace panel
Detailed description of the invention
Fig. 2 to Fig. 7 below in conjunction with accompanying drawing is described in further detail a kind of front panel of the present invention and front floor tunnel connection structure.
A kind of front panel of the present invention and front floor tunnel connection structure, please refer to Fig. 2 to Fig. 7, front panel assembly 1 and front floor assembly 2 form passage, described channel front portion is positioned at front panel assembly 1 bottom and is upwardly-directed provided with Y and moves towards the first reinforcement cavity 6, the below that described channel rear portion is positioned at described front floor assembly 2 is provided with Y and moves towards the second reinforcement cavity 7, stiffening device is provided with between described front panel assembly 1 and described front floor assembly 2, described stiffening device from described front panel assembly 1 to described front floor assembly 2 between move towards to form at least two three ply board welds along X with described front panel assembly 1 and described front floor assembly 2.Like this, when the star automobile being provided with front panel of the present invention and front floor tunnel connection structure collides, after the direction of transfer of power goes to car by car, act at front panel assembly 1 and the pressure feedback of front floor assembly 2 junction by parts such as driving engines, there is certain angle in the direction of power along X trend, low after front height.And be arranged at front panel assembly 1 bottom first strengthening cavity 6 and being positioned at the direction of transfer that second below described front floor assembly 2 strengthens power when cavity 7 is just in time corresponding collision upwardly-directed, therefore when car body expands, on passage, stressed being passed to respectively when the first reinforcement cavity 6 and second strengthens cavity 7 is effectively stopped, reduce the intrusion volume of front panel assembly 1 when colliding, passage is kept to be out of shape on a small quantity, the position making airbag control module 5 can be placed on closer headstock still can normally work, this design expands usable range to arrangement of parts, improve vehicle security, cost compare is low simultaneously.Because relative intensity increases, can strengthen by impact resistance, the advantage had in terms of existing technologies is: front panel assembly 1, front floor assembly 2 and stiffening device can be all supported by common cold-rolled steel also can ensure safety performance.Manufacturing cost reduces, ensure safety performance, be both applicable to integral type front panel assembly 1, also goes for split type front panel assembly 1, expands Applicable scope, has usability widely.It should be noted that in the drawings, car body move forward the reversing sense in direction be X to or X trend, vehicle right and left direction is Y-direction or Y trend, and the above-below direction of automobile is Z-direction or Z trend.Stiffening device is set to rear portion along passage from channel front portion on passage, form the cavity lane that two Y-directions extend, strengthen the intensity of Y-direction and Z-direction local like this, in addition, stiffening device from described front panel assembly 1 to described front floor assembly 2 between move towards to form at least two three ply board welds along X with described front panel assembly 1 and described front floor assembly 2, make this three ply board weld more firm, and the ability of the obstruction distortion of the passage of collision rift is moved towards at X respectively under two interactions strengthening cavity and three ply board weld, Y trend and Z move towards three directions are strengthened, when colliding, these strengthen structure and region combined action, play the effect of good resistance to compression feedback.Simultaneously because intensity is enough, therefore no longer need to arrange the stiffening devices such as crossbeam.
A kind of front panel of the present invention and front floor tunnel connection structure, please refer to Fig. 2 to Fig. 7, the basis of previously described technical scheme can also be: described stiffening device comprises the first brace panel 9 and the second brace panel 10, described first brace panel 9 is positioned at above described front panel assembly 1, described front panel assembly 1 latter half and described first brace panel 9 surround described first and strengthen cavity 6, described second brace panel 10 is positioned at below described front floor assembly 2, and described second brace panel 10 forms described second with described front floor assembly 2 centre portion and strengthens cavity 7.Like this, first strengthens first cavity 6 receives the higher power of height above impact when colliding, produce resistance to compression feedback effect, absorb Y-direction and Z-direction distortion, three ply board weld afterwards absorb in a large number X to impulsive force, the lower impulsive force that the second cavity be positioned at below front floor assembly 2 is then subject to below impacts, and produces resistance to compression feedback effect, avoid passage in the distortion of Y-direction and Z-direction, effectively absorb energy and Reducing distortion as far as possible.Effectively can reach the effect of low-cost and high-performance.Further preferred technical scheme is the area that the area of described second cavity is greater than described first cavity, and the advantage of setting is like this reasonable energy-absorbing.Can also be that the front portion of described front panel assembly 1 rear portion and the first brace panel 9 postmedian and described second brace panel 10 overlaps to form first three ply board weld in addition on technique scheme basis, anterior and described first brace panel 9 rear portion of anterior, described second brace panel 10 of described front floor assembly 2 forms second three ply board weld.Like this, when automobile is collided impact, first front panel assembly 1 is impacted, its by strength transmission to passage, due to the existence of these two three ply board welds, make front panel assembly 1 and front floor assembly 2 and strengthen between structure be connected and fixed more firm, therefore collision energy is absorbed to greatest extent, be out of shape little, and weld can effectively avoid stress to concentrate, and avoids snapping.
A kind of front panel of the present invention and front floor tunnel connection structure, please refer to Fig. 2 to Fig. 7, the basis of previously described technical scheme can also be: described reinforcement structure also comprises the 3rd brace panel 11, described 3rd brace panel 11, between described front floor assembly 2 and described second brace panel 10, forms described second between described second brace panel 10 and described 3rd brace panel 11 and strengthens cavity 7.Such 3rd brace panel 11 strengthens resistance to compression energy regenerative power and the non-deformability that second strengthens cavity 7 further.Further preferred technical scheme be form between described second brace panel 10 and described front floor assembly 2 that Y moves towards the 3rd strengthen cavity 8, described 3rd strengthens cavity 8 is positioned at below described front floor assembly 2, and the described 3rd strengthens cavity 8 is positioned at above described second reinforcement cavity 7.Like this, resistance to deformation and the resistance to compression energy regenerative power that cavity 8 improves Y-direction and Z-direction is further strengthened in the 3rd of formation, improves stiffening effect further.
A kind of front panel of the present invention and front floor tunnel connection structure, please refer to Fig. 2 to Fig. 7, the basis of previously described technical scheme can also be: described front floor assembly 2 front portion, the first brace panel 9, second brace panel 10 and the 3rd brace panel 11 are combined to form at least one place three ply board weld.Three ply board weld be also X to.The effect of three ply board weld is herein identical with the effect of above-described two three ply board welds.Further preferred technical scheme is described front floor assembly 2 front middle part, described 3rd brace panel 11 is anterior and described second brace panel 10 front middle part forms the 3rd three ply board weld from top to bottom, and described front floor assembly 2 postmedian, described 3rd splice postmedian and upper second brace panel 10 rear portion form the 4th three ply board weld from top to bottom.Like this, when automobile is impacted, the three ply board weld that many places are formed effectively ensures that X is subject to maximum resistance resistance to deformation and pressure feedback after stressed, reaches the effect strengthening passage further.
A kind of front panel of the present invention and front floor tunnel connection structure, please refer to Fig. 2 to Fig. 7, the basis of previously described technical scheme can also be: what be arranged in order from front to back is front panel assembly 1, first brace panel 9, front floor assembly 2, second brace panel 10 and described 3rd brace panel 11 be arranged in order from top to bottom as front floor assembly 2, the 3rd brace panel 11, second brace panel 10, first brace panel 9 and front panel assembly 1.Like this, materials save the effect that can also reach and effectively improve resistance to deformation and pressure energy regenerative power as far as possible.Can also be that described front panel assembly 1, front floor assembly 2 and stiffening device are made by common cold-rolled steel material.Due to above-mentioned connection structure, the passage between front panel assembly 1 and front floor assembly 2 is effectively strengthened, no longer needs high strength steel, effectively reduce costs.
Above-mentionedly only several specific embodiments in the present invention to be illustrated; but can not as protection scope of the present invention; every according to the change of the equivalence done by design spirit in the present invention or to modify or equal proportion zooms in or out, all should think and fall into protection scope of the present invention.

Claims (10)

1. a front panel and front floor tunnel connection structure, front panel assembly and front floor assembly form passage, it is characterized in that: described channel front portion is positioned at the first reinforcement cavity that front panel assembly bottom is upwardly-directed provided with Y trend, the below that described channel rear portion is positioned at described front floor assembly is provided with second of Y trend and strengthens cavity, stiffening device is provided with between described front panel assembly and described front floor assembly, described stiffening device from described front panel assembly to described front floor assembly between move towards to form at least two three ply board welds along X with described front panel assembly and described front floor assembly.
2. a kind of front panel according to claim 1 and front floor tunnel connection structure, it is characterized in that: described stiffening device comprises the first brace panel and the second brace panel, described first brace panel is positioned at above described front panel assembly, described front panel assembly latter half and described first brace panel surround described first and strengthen cavity, described second brace panel is positioned at below described front floor assembly, and described second brace panel and described front floor assembly centre portion form described second and strengthen cavity.
3. a kind of front panel according to claim 2 and front floor tunnel connection structure, is characterized in that: the area of described second cavity is greater than the area of described first cavity.
4. a kind of front panel according to claim 2 and front floor tunnel connection structure, it is characterized in that: the front portion of described front panel assembly rear portion and the first brace panel postmedian and described second brace panel overlaps to form first three ply board weld, anterior, the described second brace panel front portion of described front floor assembly and described first brace panel rear portion form second three ply board weld.
5. a kind of front panel according to Claims 2 or 3 or 4 and front floor tunnel connection structure, it is characterized in that: described reinforcement structure also comprises the 3rd brace panel, described 3rd brace panel, between described front floor assembly and described second brace panel, forms described second between described second brace panel and described 3rd brace panel and strengthens cavity.
6. a kind of front panel according to claim 5 and front floor tunnel connection structure, it is characterized in that: the form between described second brace panel and described front floor assembly that Y moves towards the 3rd strengthens cavity, described 3rd strengthens cavity is positioned at below described front floor assembly, and the described 3rd strengthens cavity is positioned at above described second reinforcement cavity.
7. a kind of front panel according to claim 5 and front floor tunnel connection structure, is characterized in that: described front floor assembly front portion, the first brace panel, the second brace panel and the 3rd brace panel are combined to form at least one place three ply board weld.
8. a kind of front panel according to claim 7 and front floor tunnel connection structure, it is characterized in that: described front floor assembly front middle part, described 3rd brace panel front portion and described second brace panel front middle part form the 3rd three ply board weld from top to bottom, and described front floor assembly postmedian, described 3rd splice postmedian and upper second brace panel rear portion form the 4th three ply board weld from top to bottom.
9. a kind of front panel according to claim 5 and front floor tunnel connection structure, it is characterized in that: what be arranged in order from front to back is front panel assembly, the first brace panel, front floor assembly, the second brace panel and described 3rd brace panel, is arranged in order from top to bottom as front floor assembly, the 3rd brace panel, the second brace panel, the first brace panel and front panel assembly.
10. a kind of front panel according to any claim of Claims 1-4 and front floor tunnel connection structure, is characterized in that: described front panel assembly, front floor assembly and stiffening device are made by common cold-rolled steel material.
CN201410471995.XA 2014-09-16 2014-09-16 A kind of front panel and preceding floor tunnel attachment structure Active CN105480307B (en)

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CN105480307B CN105480307B (en) 2018-02-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107521565A (en) * 2016-06-16 2017-12-29 铃木株式会社 Vehicle dash panel plate reinforcement structure

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DE102009041370A1 (en) * 2009-09-11 2011-03-24 Audi Ag Body structure for motor vehicle, comprises central base and longitudinal carrier with hollow profile is arranged in area of passenger space in longitudinal direction
CN102730085A (en) * 2011-03-30 2012-10-17 通用汽车环球科技运作有限责任公司 Floor structure of a motor vehicle body
CN102756756A (en) * 2011-04-29 2012-10-31 通用汽车环球科技运作有限责任公司 Diagonal reinforcement for a motor vehicle floor structure
CN203497026U (en) * 2013-09-23 2014-03-26 力帆实业(集团)股份有限公司 Side-collision prevention reinforced structure for front floor of automobile
CN204236591U (en) * 2014-09-16 2015-04-01 上汽通用五菱汽车股份有限公司 A kind of front panel and front floor tunnel connection structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020195840A1 (en) * 2001-06-12 2002-12-26 Mazda Motor Corporation Front body structure of vehicle
CN1668499A (en) * 2002-07-19 2005-09-14 大众汽车有限公司 Floor-supporting configuration in motor vehicles
DE102009041370A1 (en) * 2009-09-11 2011-03-24 Audi Ag Body structure for motor vehicle, comprises central base and longitudinal carrier with hollow profile is arranged in area of passenger space in longitudinal direction
CN102730085A (en) * 2011-03-30 2012-10-17 通用汽车环球科技运作有限责任公司 Floor structure of a motor vehicle body
CN102756756A (en) * 2011-04-29 2012-10-31 通用汽车环球科技运作有限责任公司 Diagonal reinforcement for a motor vehicle floor structure
CN203497026U (en) * 2013-09-23 2014-03-26 力帆实业(集团)股份有限公司 Side-collision prevention reinforced structure for front floor of automobile
CN204236591U (en) * 2014-09-16 2015-04-01 上汽通用五菱汽车股份有限公司 A kind of front panel and front floor tunnel connection structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107521565A (en) * 2016-06-16 2017-12-29 铃木株式会社 Vehicle dash panel plate reinforcement structure
CN107521565B (en) * 2016-06-16 2020-03-27 铃木株式会社 Vehicle cowl reinforcing structure

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