CN1326739C - Car roof structure for vehicle - Google Patents
Car roof structure for vehicle Download PDFInfo
- Publication number
- CN1326739C CN1326739C CNB200410074969XA CN200410074969A CN1326739C CN 1326739 C CN1326739 C CN 1326739C CN B200410074969X A CNB200410074969X A CN B200410074969XA CN 200410074969 A CN200410074969 A CN 200410074969A CN 1326739 C CN1326739 C CN 1326739C
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- China
- Prior art keywords
- car
- vehicle
- wainscot
- roof structure
- car body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Superstructure Of Vehicle (AREA)
Abstract
The hood 10 has a hood outer panel 12 and the inner panel 14, and has the structure like a wafer-like cake. A plurality of projections 18 are formed in a central region 14E of the inner panel 14 so as to line in the forward and backward directions of a car body at a prescribed interval in the direction of the width of the vehicle. The inner panel 14 has a wavy cross section when viewed from the forward and backward direction of a car body. The rear part of the inner panel 14 of the hood 10 is a thick plate portion 14G. The thickness M1 of the thick plate portion 14G is larger than the thickness M2 at other position 14H on the front side of the thick plate portion 14G in the car body.
Description
Technical field
The present invention relates to car roof structure for vehicle, particularly in vehicles such as automobile, cause the vehicle car bonnet structure that protection collides body when colliding.
Background technology
In the past, following formation is disclosed: in the car roof structure for vehicle that is applicable to vehicles such as automobile, by setting sine curve, sinusoidal n power curve or SPL for from the section shape that the car body fore-and-aft direction of the wainscot of car bonnet is looked, do not rely on and collide the position of body to the car bonnet collision, and can guarantee balanced energy absorption, guarantee the rigidity (for example, with reference to the international booklet that discloses No. 02/47961) of the car bonnet under common running condition simultaneously.And also disclose following formation: expand to greater than the front portion at the outer panels that the car body fore-and-aft direction of car bonnet is latter half of and the interval of wainscot, and guarantee sectional area (for example, opening flat 11-321713 communique with reference to the spy).
But, disclosing in the world in No. 02/47961 booklet in the disclosed car roof structure for vehicle, the section shape of seeing from the car body fore-and-aft direction of car bonnet is at the forebody of car body fore-and-aft direction and latter half of for identical shaped.The big collision body of quality collides with the latter half of of car bonnet easily, and the little collision body forebody easy and car bonnet of quality collides, therefore, its result, during collision, the deflection of the car bonnet that car bonnet is latter half of is greater than the deflection of the car bonnet of car bonnet forebody.Its result is the collision of the parts that prevent car bonnet wainscot that car bonnet is latter half of and car bonnet below, need to enlarge the distance of the parts of latter half of wainscot of car bonnet and car bonnet below, thereby the latter half of car bonnet height of car bonnet uprises.And, open in the disclosed car roof structure for vehicle of flat 11-321713 communique the spy, also need to enlarge the distance of the parts of latter half of wainscot of car bonnet and car bonnet below, thereby the car bonnet height uprises.
Summary of the invention
The present invention has considered the problems referred to above, and a kind of car roof structure for vehicle can be provided, and need not to enlarge the distance of the parts of latter half of wainscot of car bonnet and car bonnet below, just can prevent the collision of the parts below wainscot and the car bonnet.
The 1st mode of the present invention provides by following car roof structure for vehicle, that is, possess: outer panels, the car body outside face of formation car bonnet; And wainscot, constitute the car body inside face of car bonnet, spread all over aforementioned outer panels the inside roughly universe and be configured, at least its circumference engages with outer panels, and make and aforementioned outer panels between keep the space, about the thickness of slab of aforementioned wainscot, the rear portion side of wainscot that relates to the vehicle fore-and-aft direction is greater than the toe lateral of wainscot.
And then the 2nd mode of the present invention provides by following car roof structure for vehicle, that is, possess: outer panels, the car body lateral surface of formation car bonnet; And wainscot, setting along the inside universe of aforementioned outer panels, the section shape of seeing from the car body fore-and-aft direction is a wave-like, aforementioned wainscot has the thick slab portion in its all the other positions of latter half of thickness ratio that is formed at.
Therefore, the latter half of thick slab portion in its all the other positions of latter half of thickness ratio that formed at wainscot, and this wainscot sets along the inside universe of the outer panels of car bonnet, the section shape of seeing from the car body fore-and-aft direction is a wave-like, so when colliding the collision of body and outer panels, by the slab portion of wainscot, can suppress the deflection of car bonnet of the forebody of the car bonnet that the deflection of the latter half of car bonnet of the car bonnet that the big collision body of quality collides easily collides easily greater than the little collision body of quality.Its result need not to enlarge the distance of the parts of the latter half of wainscot of car bonnet and car bonnet below, just can prevent the collision of the parts of wainscot and car bonnet below.
Car roof structure for vehicle of the present invention has: outer panels, the car body lateral surface of formation car bonnet; Wainscot sets along the inside universe of outer panels, and the section shape of seeing from the car body fore-and-aft direction is a wave-like; And slab portion, be formed at the latter half of of wainscot, the thickness of slab at all the other positions of thickness ratio is thick, therefore, distance with parts of the latter half of wainscot that need not to enlarge car bonnet and car bonnet below just can prevent the good results such as collision of the parts of wainscot and car bonnet below.
Description of drawings
Fig. 1 is that expression is blocked the car roof structure for vehicle of (the 1-1 line along Fig. 2 blocks) one embodiment of the present invention and the amplification profile represented along the vehicle fore-and-aft direction.
Fig. 2 is the planar view of the car roof structure for vehicle of the expression one embodiment of the present invention seen from car body below.
Fig. 3 is the amplification profile along the 3-3 line of Fig. 2.
Fig. 4 is the stroke of collision body of expression car roof structure for vehicle and the diagram of curves of relationship with acceleration.
Fig. 5 be the expression another embodiment of the present invention car roof structure for vehicle with the cooresponding section-drawing of Fig. 1.
The specific embodiment
According to Fig. 1～Fig. 4 one embodiment of car roof structure for vehicle of the present invention is described.
Moreover arrow UP represents car body top direction among the figure, and arrow FR represents car body the place ahead direction among the figure, and arrow IN represents side direction in the overall width among the figure.
As shown in Figure 1, the car bonnet 10 of present embodiment has following structure (Chinese style spline structure), that is, possess: car bonnet outer panels 12, the car body lateral surface of formation car bonnet; With car bonnet wainscot 14, set along car bonnet inboard (the inside side) universe of car bonnet outer panels 12, constitute the inside portion of car bonnet 10, engaged circumference at least, and made between car bonnet outer panels and the car bonnet wainscot and have hollow bulb.
As shown in Figure 2, on except middle section 14E as the 14A of front-end edge portion, the 14B of end edge portion of the outer peripheral edges portion of car bonnet wainscot 14, the left and right sides overall width direction lateral border 14C of portion, 14D, along the car body fore-and-aft direction, separate predetermined distance in the overall width direction and formed a plurality of protuberances of heaving upward 18.
As shown in Figure 3, form square flange 12A under the car body at the overall width direction both ends of car bonnet outer panels 12, form square flange 14F under the car body at the overall width direction both ends of car bonnet wainscot 14.Flange 12A combines with flange 14F.
In addition, the protuberance 18 of car bonnet wainscot 14 is heaved to the car body top, and the section shape of seeing from the car body fore-and-aft direction is a wave-like.And the joint portion 18B of overall width direction central portion that is formed at the top 18A of protuberance 18 uses adhesives 20 to combine with the inside 12B of car bonnet outer panels 12.
As shown in Figure 2, the protuberance 18 of car bonnet wainscot 14 extends to rearward end from the leading section of middle section 14E.
As shown in Figure 1, the car body fore-and-aft direction of latter half of wainscot 14 along car bonnet 10 forms the slab 14G of portion, and the thickness of slab M1 of the 14G of slab portion is than the thick (M1＞M2) of the thickness of slab M2 of all the other position 14H of the wainscot 14 at the car body front side position of the 14G of slab portion.
Moreover the 14G of slab portion of wainscot 14 forms by the thick combination of difference (joint portion P) of blanks such as welding, and as shown in Figure 2, the joint portion P that becomes the edge of the 14G of slab portion and all the other position 14H has formed circular-arc along the 10A of front-end edge portion of car bonnet 10.
In addition, the parts 30 that are positioned at the 14G of slab portion below are rigid bodies such as driving engine.
The effect of present embodiment then, is described.
In the present embodiment, except on as the 14A of front-end edge portion, the 14B of end edge portion of the outer peripheral edges portion of car bonnet wainscot 14, middle section 14E the left and right sides overall width direction lateral border 14C of portion, the 14D, separate predetermined distance along the car body fore-and-aft direction in the overall width direction and formed a plurality of protuberances of heaving upward 18, at the joint portion 18B of the top 18A that is formed at each protuberance 18, car bonnet wainscot 14 and car bonnet outer panels 12 have been engaged by adhesives 20B.Its result by means of the envelope cross-section structure 22 along a plurality of osed tops space of car body fore-and-aft direction that forms by car bonnet wainscot 14 and car bonnet outer panels 12, can guarantee the rigidity of car bonnet 10.
In addition, in the present embodiment, the inside universe along the outer panels 12 of car bonnet 10 sets, and the section shape of seeing from the car body fore-and-aft direction is the latter half of 14G of slab portion that formed of the wainscot 14 of wave-like, and the thickness of slab M1 of the 14G of slab portion is thicker than the thickness of slab M2 of all the other position 14H.
Its result, the quality of the 14G of slab portion of car bonnet 10 becomes bigger than the quality of all the other position 14H, and the rigidity of the slab 14G of portion is than the rigidity height of all the other position 14H simultaneously.Therefore, as shown in Figure 1, when colliding body S1, S2 and outer panels 12 collisions, by means of the 14G of slab portion of wainscot 14, the deflection to the car body below of the car bonnet 10 of the forebody of the car bonnet 14 that the little collision body S1 of deflection specific mass of the latter half of car body below to car bonnet 10 that can suppress car bonnet 14 that the big collision body S2 of quality collides easily collides easily is big.
Therefore, as shown in Figure 4, the acceleration/accel G1 of present embodiment collides the variation of the stroke of body S relatively, and ought not compare in the relative variation that collides the stroke of body S of the latter half of formation slab 14G of portion (thickness of slab no change) the brief acceleration G2 of wainscot 14, and stroke shortens.
Therefore, in the present embodiment, need not to enlarge wainscot 14 and car bonnet below parts 30 apart from S, can prevent that just the wainscot 14 of car bonnet 10 and the parts 30 of car bonnet below from colliding.Its result, need not to enlarge wainscot 14 and car bonnet below parts 30 apart from S, when colliding the latter half of generation of body S and collide, can fully absorb energy with car bonnet 10, improved simultaneously car bonnet 10 design and design-calculated degree of freedom highly.
In addition, in the present embodiment, at the 14G of slab portion of car bonnet 10 and joint portion (edge) P of all the other position 14H, (poor according to section) changes the thickness of slab of wainscot 14 immediately.Therefore, need not on wainscot 14, to be provided with the interval that changes thickness of slab gradually.
More than, with regard to specific embodiment the present invention is had been described in detail, but the invention is not restricted to above-mentioned embodiment, and the practitioner also can use other various embodiments certainly within the scope of the invention.For example, in the above-described embodiment, formed the 14G of slab portion of wainscot 14 by the thick combination of difference of blanks such as welding, but in addition, can also be as shown in Figure 5, the position that is formed the car body front side of the 14G of slab portion of wainscot 14 and the 14G of slab portion by other parts is other position 14H, make the 14G of slab portion after the shaping and other parts 14H in the 14J of junction surface by welding such as laser welding, flash welding, and bonding the joint.And the joint portion 14J in birds-eye view has formed circular-arc along the 10A of front-end edge portion of car bonnet 10.
Claims (13)
1. car roof structure for vehicle is characterized in that possessing:
Outer panels, the car body outside face of formation car bonnet; With
Wainscot constitutes the car body inside face of car bonnet, spread all over described outer panels the inside roughly universe and be configured, its circumference engages with outer panels at least, make and described outer panels between keep the space,
The thickness of slab of rear portion side of wainscot that relates to the vehicle fore-and-aft direction is greater than the thickness of slab of the toe lateral of wainscot.
2. car roof structure for vehicle as claimed in claim 1, wherein, it is the section shape of wave-like that described wainscot has when the car body fore-and-aft direction is seen.
3. car roof structure for vehicle as claimed in claim 1, wherein, described wainscot has a plurality of protuberances, heaves to the car body top, extends along the car body fore-and-aft direction.
4. car roof structure for vehicle as claimed in claim 3, wherein, described wainscot also engages with outer panels at described protuberance.
5. car roof structure for vehicle as claimed in claim 1, wherein, described wainscot has the zone that thickness changes, and described zone has along the circular shape of vehicle exterior region direction when the car body above-below direction is seen.
6. car roof structure for vehicle as claimed in claim 1, wherein, the thickness of slab of described wainscot changes along with the section difference.
7. car roof structure for vehicle as claimed in claim 1, wherein, the part of the different thicknesss of slab of described wainscot is thick in forming by difference.
8. car roof structure for vehicle is characterized in that possessing:
Outer panels, the car body outside face of formation car bonnet; With
Wainscot sets along the universe of the inside of described outer panels, and the section shape of seeing from the car body fore-and-aft direction is a wave-like,
Described wainscot has the thick slab portion in its all the other positions of latter half of thickness ratio that is formed at.
9. car roof structure for vehicle as claimed in claim 8, wherein, described wainscot has a plurality of protuberances, heaves to the car body top, extends along the car body fore-and-aft direction.
10. car roof structure for vehicle as claimed in claim 9, wherein, described wainscot also engages with outer panels on described protuberance.
11. car roof structure for vehicle as claimed in claim 8, wherein, the slab portion of described wainscot has when the car body above-below direction is seen along the edge of the circular shape of the exterior region direction of vehicle.
12. car roof structure for vehicle as claimed in claim 8, wherein, the thickness of slab of described wainscot changes along with the section difference at the edge of slab portion.
13. car roof structure for vehicle as claimed in claim 8, wherein, the slab portion of described wainscot is thick in forming by difference.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP308812/2003 | 2003-09-01 | ||
| JP2003308812A JP4053482B2 (en) | 2003-09-01 | 2003-09-01 | Vehicle hood structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1590192A CN1590192A (en) | 2005-03-09 |
| CN1326739C true CN1326739C (en) | 2007-07-18 |
Family
ID=34411173
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200772009U Expired - Lifetime CN2754972Y (en) | 2003-09-01 | 2004-09-01 | Cover structure of vehicle |
| CNB200410074969XA Expired - Fee Related CN1326739C (en) | 2003-09-01 | 2004-09-01 | Car roof structure for vehicle |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200772009U Expired - Lifetime CN2754972Y (en) | 2003-09-01 | 2004-09-01 | Cover structure of vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4053482B2 (en) |
| CN (2) | CN2754972Y (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4053482B2 (en) * | 2003-09-01 | 2008-02-27 | トヨタ自動車株式会社 | Vehicle hood structure |
| JP4059187B2 (en) * | 2003-10-27 | 2008-03-12 | トヨタ自動車株式会社 | Vehicle hood structure |
| JP4733581B2 (en) * | 2006-07-21 | 2011-07-27 | 株式会社神戸製鋼所 | Automotive hood |
| JP4407755B2 (en) * | 2008-02-04 | 2010-02-03 | トヨタ自動車株式会社 | Vehicle hood structure |
| JP4856678B2 (en) * | 2008-07-24 | 2012-01-18 | 本田技研工業株式会社 | Car hood structure |
| JP5370829B2 (en) * | 2009-05-28 | 2013-12-18 | 宇部興産機械株式会社 | Injection molding method |
| JP5560856B2 (en) * | 2010-04-01 | 2014-07-30 | トヨタ自動車株式会社 | Vehicle hood structure |
| CN104684793B (en) * | 2012-10-01 | 2017-03-08 | 株式会社神户制钢所 | Engine cover for vehicle plate |
| JP5835279B2 (en) * | 2013-06-28 | 2015-12-24 | トヨタ自動車株式会社 | Vehicle hood structure |
| JP6223039B2 (en) * | 2013-07-26 | 2017-11-01 | ダイハツ工業株式会社 | Vehicle hood structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629022A (en) * | 1984-05-18 | 1986-12-16 | Choo Choo Customs, Inc. | Hoodscoop and method for attaching the same |
| EP0712776A1 (en) * | 1994-11-16 | 1996-05-22 | Sollac S.A. | Car body panel element |
| US6179364B1 (en) * | 1998-05-13 | 2001-01-30 | Honda Giken Kogyo Kabushiki Kaisha | Bonnet for automobile |
| JP2001278118A (en) * | 2000-03-31 | 2001-10-10 | Toyota Motor Corp | Fender structure of vehicle |
| WO2002047961A1 (en) * | 2000-12-13 | 2002-06-20 | Kabushiki Kaisha Kobe Seiko Sho | Panel structure for car body hood |
| CN2754972Y (en) * | 2003-09-01 | 2006-02-01 | 丰田自动车株式会社 | Cover structure of vehicle |
-
2003
- 2003-09-01 JP JP2003308812A patent/JP4053482B2/en not_active Expired - Fee Related
-
2004
- 2004-09-01 CN CNU2004200772009U patent/CN2754972Y/en not_active Expired - Lifetime
- 2004-09-01 CN CNB200410074969XA patent/CN1326739C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629022A (en) * | 1984-05-18 | 1986-12-16 | Choo Choo Customs, Inc. | Hoodscoop and method for attaching the same |
| EP0712776A1 (en) * | 1994-11-16 | 1996-05-22 | Sollac S.A. | Car body panel element |
| US6179364B1 (en) * | 1998-05-13 | 2001-01-30 | Honda Giken Kogyo Kabushiki Kaisha | Bonnet for automobile |
| JP2001278118A (en) * | 2000-03-31 | 2001-10-10 | Toyota Motor Corp | Fender structure of vehicle |
| WO2002047961A1 (en) * | 2000-12-13 | 2002-06-20 | Kabushiki Kaisha Kobe Seiko Sho | Panel structure for car body hood |
| CN2754972Y (en) * | 2003-09-01 | 2006-02-01 | 丰田自动车株式会社 | Cover structure of vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005075174A (en) | 2005-03-24 |
| JP4053482B2 (en) | 2008-02-27 |
| CN2754972Y (en) | 2006-02-01 |
| CN1590192A (en) | 2005-03-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TOYOTA JIDOSHA K. K.; KOBE STEEL LTD. Free format text: FORMER OWNER: TOYOTA JIDOSHA K. K.; SHENGANG MEILV TRANSVEYER CO., LTD. Effective date: 20071221 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20071221 Address after: Aichi Prefecture, Japan Co-patentee after: Kobe Steel, Ltd. Patentee after: Toyota Motor Corp. Address before: Aichi Prefecture, Japan Co-patentee before: Shengang Aluminum Conveyor Material Co.,Ltd. Patentee before: Toyota Motor Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070718 Termination date: 20200901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |