CN1321030C - Front column reinforcing structure - Google Patents
Front column reinforcing structure Download PDFInfo
- Publication number
- CN1321030C CN1321030C CNB2004100912244A CN200410091224A CN1321030C CN 1321030 C CN1321030 C CN 1321030C CN B2004100912244 A CNB2004100912244 A CN B2004100912244A CN 200410091224 A CN200410091224 A CN 200410091224A CN 1321030 C CN1321030 C CN 1321030C
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- Prior art keywords
- front pillar
- reinforcement
- aforementioned
- load
- reinforcing structure
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- 230000003014 reinforcing effect Effects 0.000 title claims description 26
- 230000002787 reinforcement Effects 0.000 claims abstract description 87
- 238000005452 bending Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims 2
- 230000003042 antagnostic effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 241001442589 Convoluta Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The front pillar reinforcement structure is configured so that a rear wall part of the top end of a front pillar reinforcement and the base of the bottom end of a rail reinforcement intersect approximately at a right angle, and when a collision load in the event of head-on collision acts on the upper half of the front pillar along the axial direction of the upper half of the front pillar, there is no risk that the top end of the front pillar reinforcement passes by the bottom end of the rail reinforcement.
Description
Technical field
The present invention relates to front pillar (windshield pillar) and add competent structure, particularly relate to the front column reinforcing structure of automobile.
Background technology
In the past, in the front column reinforcing structure of automobile, known have following such structure: be respectively equipped with on the waist curve of the front pillar of the closed section structure that constitutes by inner panel and outside plate and the bending pars convoluta pass across aforementioned closed section structure below reinforcement and above reinforcement, aforementioned two reinforcements are distinguished upward and the below extension, and their extension end is overlapped in the first half of front pillar, while is provided with otch at least one side's of coincidence part end limit, thereby making ora terminalis and front pillar body is non-welding (for example, the spy opens the 2002-249069 communique).
Summary of the invention
But, in above-mentioned document, below the end difference that forms on the reinforcement with above the extension end of reinforcement, relative according to the below reinforcement with the plate thickness of top reinforcement.Consequently, have under the situation of colliding load when the axis direction effect at front pillar upper edge front pillar, the end difference of below reinforcement just is easy to the extension end slippage from the top reinforcement, and the axis direction of reinforcement (vertically) moves upward.Therefore, the antagonistic force of front pillar just reduces greatly, and it is big that the distortion of front pillar will become.In order to improve this point, be necessary to increase the reinforcing of thickness of slab etc., the weight of vehicle body will increase.
The present invention considers the above-mentioned fact, and a kind of front column reinforcing structure that can simultaneously suppress the antagonistic force of weight increase, the front pillar when one side improves the vehicle body collision is provided.
The present invention has along the axis direction of front pillar to be provided in the section in-to-in front pillar reinforcement of front pillar and to be provided in the front column reinforcing structure of the horizontal bar reinforcement on the upper side of the aforementioned front pillar reinforcement of section in-to-in of front pillar along the axis direction of front pillar, it is characterized in that the end portions cross of the end of aforementioned front pillar reinforcement respect to one another and aforementioned horizontal bar reinforcement.
Thereby, because the end of aforementioned front pillar reinforcement respect to one another and the end portions cross of aforementioned horizontal bar reinforcement, therefore acting under the situation on the front pillar colliding the axis direction of load along front pillar, can not nuzzle up from the end slippage of horizontal bar reinforcement in the end of front pillar reinforcement.Consequently, moving of front pillar reinforcement stoped reliably by the horizontal bar reinforcement.The antagonistic force of the front pillar in the time of therefore, can improving the vehicle body collision.In addition, owing to need not thicken the reinforcement of thickness of slab etc., the antagonistic force of front pillar that therefore can be when suppressing to improve vehicle body when weight increases and collide.
In front column reinforcing structure of the present invention, can also have the load-delivery surface expansion instrument on the end of the end that is provided in aforementioned front pillar reinforcement respect to one another and aforementioned horizontal bar reinforcement.
When this constituted, the load-delivery surface expansion instrument that is provided on the end of front pillar reinforcement can touch with the scope of broad mutually with load-delivery surface expansion instrument on the end that is provided in the horizontal bar reinforcement.Consequently, can make the end of front pillar reinforcement and the end interference more reliably of horizontal bar reinforcement.The antagonistic force of the front pillar in the time of therefore, can improving the vehicle body collision reliably.
The present invention has along the axis direction of front pillar to be provided in the section in-to-in front pillar reinforcement of front pillar and to be provided in the front column reinforcing structure of the horizontal bar reinforcement on the upper side of the aforementioned front pillar reinforcement of section in-to-in of front pillar along the axis direction of front pillar, and the end portions cross of the end of aforementioned front pillar reinforcement respect to one another and aforementioned horizontal bar reinforcement, therefore, the so good effect of antagonistic force that has the front pillar in the time of when suppressing the weight increase, to improve the vehicle body collision.
In front column reinforcing structure of the present invention, during load-delivery surface expansion instrument on end, has the good effect of the antagonistic force of the front pillar in the time of can improving vehicle body reliably and collide with the end that is provided in front pillar reinforcement respect to one another and horizontal bar reinforcement.
Description of drawings
Fig. 1 is the block diagram of seeing from the outside, the oblique rear of vehicle body that a part is represented with long and two-short dash line of showing the front column reinforcing structure of an example of the present invention.
Fig. 2 is the three-dimensional exploded view of the front column reinforcing structure of the displaying example of the present invention seen from the outside, the oblique rear of vehicle body.
Fig. 3 is the enlarged side view of main portion of showing the front column reinforcing structure of an example of the present invention.
Fig. 4 is the amplification profile along the 4-4 line of Fig. 3.
Fig. 5 is the amplification profile along the 5-5 line of Fig. 3.
Fig. 6 is the amplification profile along the 6-6 line of Fig. 3.
Fig. 7 is the displaying seen from the outside, the oblique rear of vehicle body other the block diagram of main portion of front column reinforcing structure of example of the present invention.
Fig. 8 is the displaying seen from the outside, the oblique rear of vehicle body other the block diagram of main portion of front column reinforcing structure of example of the present invention.
Fig. 9 is the displaying seen from the outside, the oblique rear of vehicle body other the block diagram of main portion of front column reinforcing structure of example of the present invention.
The specific embodiment
An example of front column reinforcing structure of the present invention is described according to Fig. 1～Fig. 6.
Wherein, arrow UP represents vehicle body top direction among the figure, and arrow FR represents vehicle body the place ahead direction among the figure, and arrow OUT represents the overall width lateral direction among the figure.
As shown in Figure 1, the first half 12A of the front pillar of the vehicle body of the automobile of this example (also claiming the A post) 12, from vehicle body side, side direction vehicle body rear upside extends and is provided with under vehicle body the place ahead.
As shown in Figure 2, the first half 12A of front pillar 12 is made of the outside car frame side beam (outside curb girder/outside frame side member) 14 of the vehicle body outside portion of the first half 12A that constitutes front pillar 12 and the inside car frame side beam (outside curb girder/outside frame side member) 16 of vehicle body inside portion that constitutes the first half 12A of front pillar 12.In addition, as Fig. 4, Fig. 5 and shown in Figure 6, form closed section portion 18 by outside car frame side beam 14 and inner car frame side beam 16.
As shown in Figure 3, lower side in the closed section portion 18 in the first half 12A of front pillar 12, axis direction (vertically) along the first half 12A of front pillar 12 is equipped with front pillar reinforcement 20, and front pillar reinforcement 20 passes across the waist curve 12B (with reference to Fig. 1) of front pillar 12.
In addition, the upper side of the front pillar reinforcement 20 in the closed section portion 18 of the first half 12A of front pillar 12, axis direction (vertically) along the first half 12A of front pillar 12 is equipped with horizontal bar reinforcement 22, and horizontal bar reinforcement 22 passes across the bending pars convoluta 12C of front pillar 12.
In addition, the upper end 20A of front pillar reinforcement 20 and the bottom 22A of horizontal bar reinforcement 22 separate the gap 24 of distance L 1 only and are relative.
As shown in Figure 5, the section shape of seeing from axis direction (vertically) of front pillar reinforcement 20, become the cardinal principle コ word shape of peristome side in the vehicle body, the leading section 20C of front wall portion 20B is bonded between the flange 16A of the flange 14A of outside car frame side beam 14 and inner car frame side beam 16.In addition, on the leading section of the rear wall parts 20D of front pillar reinforcement 20, be formed with flange 20E to the peristome outside, flange 20E is bonded between the flange 16B of the flange 14B of outside car frame side beam 14 and inner car frame side beam 16.
As shown in Figure 6, the section shape of seeing from axis direction (vertically) of horizontal bar reinforcement 22, one-tenth is the コ word shape of peristome side in the vehicle body, is formed between the flange 16A that front wall portion 22C on the leading section of base portion 22B is bonded to the flange 14A of outside car frame side beam 14 and inner car frame side beam 16.In addition, on the leading section of the rear wall parts 22D on the rearward end of the base portion 22B that is formed on horizontal bar reinforcement 22, be formed with flange 22E to the peristome outside, flange 22E is bonded between the flange 16B of the flange 14B of outside car frame side beam 14 and inner car frame side beam 16.
As Fig. 1 and shown in Figure 4, the base portion 22B of the rear wall parts 20D of the upper end 20A of front pillar reinforcement 20 and the bottom 22A of horizontal bar reinforcement 22 is crossed as the right angle each other substantially.
As shown in Figure 3, form breach 26 in the upper end of the flange 20E of front pillar reinforcement 20, at the position that forms breach 26, the bottom 22A separating distance L2 of the upper end 20A of front pillar reinforcement 20 and the horizontal bar reinforcement 22 (gap of L2＞L1) and relative.
Secondly, the effect of this example is described.
In this example, as Fig. 1 and shown in Figure 4, the base portion 22B of the rear wall parts 20D of the upper end 20A of front pillar reinforcement 20 and the bottom 22A of horizontal bar reinforcement 22 is crossed as the right angle each other substantially.Thereby, when the positive collision of vehicle body, under the situation of colliding on the first half 12A that the axis direction of load (the arrow F of Fig. 3) along the first half 12A of front pillar 12 act on front pillar 12, the upper end 20A of front pillar reinforcement 20 can not nuzzle up from the bottom 22A slippage of horizontal bar reinforcement 22.
Consequently, moving of (the arrow A direction of Fig. 3) upward of front pillar reinforcement 20 stoped reliably by horizontal bar reinforcement 22.
Therefore, in this example, the antagonistic force of the front pillar 12 in the time of can improving the vehicle body collision.In addition, owing to need not thicken the reinforcing of thickness of slab etc., the antagonistic force of front pillar 12 that therefore can be when suppressing to improve vehicle body when weight increases and collide, thus can suppress the distortion of front pillar 12.
Moreover, colliding under the bigger situation of load, the first half branch of front pillar 12 is a starting point and being bent with breach 26, thereby can absorb crash energy.
In the above, though understand the present invention in detail at specific example, the present invention is not limited to above-mentioned example, for the described technical personnel in this area, obviously can implement other various examples within the scope of the invention.For example, as shown in Figure 7, also can be on the 20A of the upper end of front pillar reinforcement 20, by the loading transfer flange 20F of formation such as punching press (extruding) or bending machining as the load-delivery surface expansion instrument, on the 22A of the bottom of horizontal bar reinforcement 22, by the loading transfer flange 22F of formation such as punching press or bending machining as the load-delivery surface expansion instrument.Moreover in this case, the loading transfer flange 20F by front pillar reinforcement 20 touches mutually with the loading transfer flange 22F of horizontal bar reinforcement 22, can make the bottom 22A interference more reliably of the upper end 20A and the horizontal bar reinforcement 22 of front pillar reinforcement 20.Thus, when the contingency vehicle body collides, can improve the antagonistic force of front pillar 12 reliably.
In addition, as shown in Figure 8, also can be near the 20G of the load-delivery surface expansion instrument 30 that will have the individual components (other parts) that is formed by metal sheet of the loading transfer flange 30A upper end 20A that is combined in front pillar reinforcement 20 by spot welding etc., the load-delivery surface expansion instrument 32 that will have the individual components that is formed by metal sheet of loading transfer flange 32A be combined in constituting near the 22G of bottom 22A of horizontal bar reinforcement 22 by spot welding etc.
In addition, as shown in Figure 9, can also will have on the locking part 36 such as load-delivery surface expansion instrument 34 usefulness Screws or near 20G of the individual components that forms by resin material of load-delivery surface 34A, will have on the locking part 40 such as load-delivery surface expansion instrument 38 usefulness bolts or near 22G of the individual components that forms by resin material of load-delivery surface 38A by the bottom 22A that is fixed on horizontal bar reinforcement 22 such as bonding by the upper end 20A that is fixed on front pillar reinforcement 20 such as bonding.In addition, can also replace resin material to form load-delivery surface expansion instrument 34,38 with high rigid foaming material.
In addition, each section shape of outside car frame side beam 14, inner car frame side beam 16, front pillar reinforcement 20, horizontal bar reinforcement 22 is not limited to above-mentioned example.
Claims (7)
1. front column reinforcing structure, it is to have along the axis direction of front pillar to be provided in the section in-to-in front pillar reinforcement of front pillar and to be provided in the front column reinforcing structure of the horizontal bar reinforcement on the upper side of the aforementioned front pillar reinforcement of section in-to-in of front pillar along the axis direction of front pillar, it is characterized in that the end portions cross of the end of aforementioned front pillar reinforcement respect to one another and aforementioned horizontal bar reinforcement.
2. front column reinforcing structure as claimed in claim 1 is characterized in that, has the load-delivery surface expansion instrument on the end of the end that is provided in aforementioned front pillar reinforcement respect to one another and aforementioned horizontal bar reinforcement.
3. front column reinforcing structure as claimed in claim 2, wherein as aforementioned load-delivery surface expansion instrument, on the upper end of aforementioned front pillar reinforcement, form the 1st loading transfer flange by punching press or bending machining, on the bottom of aforementioned horizontal bar reinforcement, form the 2nd loading transfer flange by punching press or bending machining simultaneously.
4. front column reinforcing structure as claimed in claim 2, the aforementioned load-delivery surface expansion instrument that wherein will have the 1st a loading transfer flange by solder bond on the upper end of aforementioned front pillar reinforcement, the aforementioned load-delivery surface expansion instrument that will have the 2nd loading transfer flange simultaneously by solder bond on the bottom of aforementioned horizontal bar reinforcement.
5. front column reinforcing structure as claimed in claim 2, the aforementioned load-delivery surface expansion instrument that wherein will have the 1st load-delivery surface is by locking part or by on the bonding upper end that is fixed on aforementioned front pillar reinforcement, and the aforementioned load-delivery surface expansion instrument that will have the 2nd load-delivery surface simultaneously is by locking part or by on the bonding bottom that is fixed on aforementioned horizontal bar reinforcement.
6. front column reinforcing structure as claimed in claim 5 wherein forms aforementioned load-delivery surface expansion instrument with resin material.
7. front column reinforcing structure as claimed in claim 5 wherein forms aforementioned load-delivery surface expansion instrument with high rigid foaming material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003388977A JP4289130B2 (en) | 2003-11-19 | 2003-11-19 | Front pillar reinforcement structure |
| JP388977/2003 | 2003-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1618678A CN1618678A (en) | 2005-05-25 |
| CN1321030C true CN1321030C (en) | 2007-06-13 |
Family
ID=34695857
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420115205 Expired - Lifetime CN2743199Y (en) | 2003-11-19 | 2004-11-17 | Front column reinforcing structure |
| CNB2004100912244A Expired - Fee Related CN1321030C (en) | 2003-11-19 | 2004-11-17 | Front column reinforcing structure |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420115205 Expired - Lifetime CN2743199Y (en) | 2003-11-19 | 2004-11-17 | Front column reinforcing structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4289130B2 (en) |
| CN (2) | CN2743199Y (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4289130B2 (en) * | 2003-11-19 | 2009-07-01 | トヨタ自動車株式会社 | Front pillar reinforcement structure |
| JP4751856B2 (en) * | 2007-07-03 | 2011-08-17 | 本田技研工業株式会社 | Body side structure |
| JP5392066B2 (en) * | 2009-09-15 | 2014-01-22 | トヨタ車体株式会社 | Front pillar structure and front pillar component manufacturing method |
| JP5857921B2 (en) * | 2012-09-05 | 2016-02-10 | トヨタ自動車株式会社 | Front pillar structure |
| JP5895807B2 (en) * | 2012-10-19 | 2016-03-30 | トヨタ自動車株式会社 | Vehicle front pillar structure |
| JP6299705B2 (en) * | 2015-08-21 | 2018-03-28 | トヨタ自動車株式会社 | Vehicle lower structure |
| JP6977614B2 (en) * | 2018-02-23 | 2021-12-08 | トヨタ自動車株式会社 | Vehicle undercarriage |
| JP6727241B2 (en) * | 2018-03-27 | 2020-07-22 | 株式会社豊田自動織機 | Vehicle roof structure |
| JP2019217850A (en) * | 2018-06-18 | 2019-12-26 | トヨタ自動車株式会社 | Vehicle lateral structure |
| JP7289434B2 (en) * | 2019-06-17 | 2023-06-12 | マツダ株式会社 | upper body structure |
| JP7106232B2 (en) * | 2019-12-03 | 2022-07-26 | ダイハツ工業株式会社 | vehicle lateral structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11278302A (en) * | 1998-03-30 | 1999-10-12 | Isuzu Motors Ltd | Integral type side panel structure |
| JP2000272539A (en) * | 1999-03-29 | 2000-10-03 | Mitsubishi Motors Corp | Front pillar structure for vehicle |
| JP2002249069A (en) * | 2001-02-22 | 2002-09-03 | Toyota Auto Body Co Ltd | Front pillar reinforcement structure for vehicle |
| JP2003237622A (en) * | 2002-02-14 | 2003-08-27 | Kanto Auto Works Ltd | Front pillar structure of vehicle with triangular window |
| CN2743199Y (en) * | 2003-11-19 | 2005-11-30 | 丰田自动车株式会社 | Front column reinforcing structure |
-
2003
- 2003-11-19 JP JP2003388977A patent/JP4289130B2/en not_active Expired - Fee Related
-
2004
- 2004-11-17 CN CN 200420115205 patent/CN2743199Y/en not_active Expired - Lifetime
- 2004-11-17 CN CNB2004100912244A patent/CN1321030C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11278302A (en) * | 1998-03-30 | 1999-10-12 | Isuzu Motors Ltd | Integral type side panel structure |
| JP2000272539A (en) * | 1999-03-29 | 2000-10-03 | Mitsubishi Motors Corp | Front pillar structure for vehicle |
| JP2002249069A (en) * | 2001-02-22 | 2002-09-03 | Toyota Auto Body Co Ltd | Front pillar reinforcement structure for vehicle |
| JP2003237622A (en) * | 2002-02-14 | 2003-08-27 | Kanto Auto Works Ltd | Front pillar structure of vehicle with triangular window |
| CN2743199Y (en) * | 2003-11-19 | 2005-11-30 | 丰田自动车株式会社 | Front column reinforcing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1618678A (en) | 2005-05-25 |
| CN2743199Y (en) | 2005-11-30 |
| JP4289130B2 (en) | 2009-07-01 |
| JP2005145369A (en) | 2005-06-09 |
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Granted publication date: 20070613 Termination date: 20151117 |
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| EXPY | Termination of patent right or utility model |