CN1522917A - Foreside structure of vehicle - Google Patents
Foreside structure of vehicle Download PDFInfo
- Publication number
- CN1522917A CN1522917A CNA2004100048420A CN200410004842A CN1522917A CN 1522917 A CN1522917 A CN 1522917A CN A2004100048420 A CNA2004100048420 A CN A2004100048420A CN 200410004842 A CN200410004842 A CN 200410004842A CN 1522917 A CN1522917 A CN 1522917A
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- extruded tube
- mentioned
- baffle plate
- link
- connecting portion
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Abstract
Provided is a front region structure of an automobile having a shroud panel supporting structure which can prevent parts being supported by the shroud panel from being damaged at the time of a minor collision, and can maintain the impact absorbing performance of a crash tube at the time of a major collision. To the upper surface 2h, the internal side surface 2i and the lower surface 2u of a middle part in the longitudinal direction of the crash tube 2, fixing surfaces 6h, 6f and 6g which are crash tube side fastening parts of a connecting member 6 are respectively fixed. Then, the shroud panel 20 is fastened to the fastening upper surface 6d and the shroud fastening lower surface 6e which integrally extend forward from the fixing surfaces and are shroud panel side fastening parts extending to the internal side of a vehicle. A hollow part 8a is provided on a connecting part 6b between the crash tube side fastening part and the shroud panel side fastening part. Since the connecting member 6 is fixed to an area within approximately the same plane of the middle part of the crash tube 2, the crushing of the crash tube 2 is made uniform, and the impact absorbing performance can be maintained.
Description
Technical field
The present invention relates to a kind of vehicle front body structure.
Background technology
Relevant possess front side frame (Front Side Frame), buffer beam beam (BumperBeam) along the vehicle-width direction setting, extruded tube (Crush Pipe), and the vehicle front body structure of baffle plate (Shroud Panel), for example the Japanese Patent spy opens the disclosed content of 2002-240744 communique, according to shown in Figure 4, this vehicle front body structure possesses, buffering suface (Bumperface) 106, and the baffle plate 101 that is arranged at these buffering suface 106 rears, radiator (radiator) 102, bumper reinforcing member 105, extruded tube 105a, the flange part of buffer beam strengthening part (Flange) 105b, front side frame 121 etc., set baffle plate 101 passes through link between the above-mentioned left and right sides extruded tube 105a, and clamping between extruded tube 105a and the front side frame 121, the support portion front end that extends to the inboard the place ahead of vehicle body of bonded assembly flange part 105b, promptly baffle plate connecting portion 105d is connected.
As mentioned above, because baffle plate 101 connects the support portion front end that extends to the inboard the place ahead of vehicle body that is arranged on flange part 105b, can improve the layout performance of the parts that are arranged on baffle plate 101 rears thus.
But the length of extruded tube is different because of car, when the longer extruded tube of needs, baffle plate is arranged on the position quite forward with respect to the extruded tube rear end, therefore need further to prolong forward to the support portion length the baffle plate connecting portion 105d from flange part 105b, make this support zone in baffle plate 101 the place aheads, for vibration-inhibition, guarantee that durability just must improve the intensity and the rigidity of this support portion.In this case, when taking place not influence the slight collision of passenger safety in the vehicle, bumper reinforcing member 105 is along with the extruded tube front side is crushed, then retreat to baffle plate 101 and collide, and on the other hand,, cause baffle plate 101 to be difficult to retreat owing to improved the intensity and the rigidity of the support component of supporting baffle 101, the parts that supported of baffle plate 101 damage easily as a result, thereby have increased user's cost of repair.
In addition, if continue to prolong to the support portion length the baffle plate connecting portion 105d from flange part 105b, and improve the intensity and the rigidity of this support portion simultaneously, under the situation that adopts structure shown in Figure 4, extend forward because of the support portion is independent from extruded tube 105a rear end, when take place extruded tube 105a from its front end crushed to the rear end when absorbing the strong collision that collides load, the intensity of support portion and rigidity have hindered the collision absorptive character of extruded tube on the contrary, thereby cause vehicle front body structure can't guarantee passenger's safety.
Summary of the invention
At the problems referred to above, the invention provides a kind of vehicle front body structure, have the damage that when slight the collision taken place, can prevent the parts that baffle plate supports, when taking place, strong the collision can keep the baffle plate supporting construction of the collision absorptive character of extruded tube.
Vehicle front body structure of the present invention comprises, the front side frame that is arranged on the left and right vehicle wheel both sides and extends along fore-and-aft direction; By the buffer beam (Bumper beam) that is provided with along vehicle-width direction in front side frame the place ahead, and be connected with the two ends, the left and right sides of buffer beam and extend back the bumper reinforcing member that its rear end and above-mentioned front side frame front end bonded assembly extruded tube are constituted; Be connected with above-mentioned bumper reinforcing member, support the baffle plate of cooling mechanism simultaneously; Wherein, above-mentioned baffle plate be connected above-mentioned extruded tube along position in the way of fore-and-aft direction.
Adopt said structure, since baffle plate be connected extruded tube along position in the way of fore-and-aft direction, therefore when the generation extruded tube from its front end to the position that is provided with baffle plate during crushed slight collision, have only extruded tube crushed, even above-mentioned collision makes buffer beam and baffle plate collision, because extruded tube is crushed, can make baffle plate produce retreating to a certain degree, therefore only there is the support component of baffle plate and baffle plate to contact and retreats, thereby can prevent that the parts that baffle plate supported such as baffle plate and cooling mechanism are damaged with buffer beam.
In addition, when strong collisions that extruded tube all crushed to the rear end from its front end took place, baffle plate also only was that generation retreats with respect to the crushing of extruded tube, thereby can keep the collision absorptive character of extruded tube, to guarantee passenger's safety.
In said structure, baffle plate can be connected with extruded tube by link, this link, from the upper surface part of extruded tube through inner surface portion until lower surface portion in the same plane of the bearing of trend that is approximately perpendicular to extruded tube, connected.
Adopt said structure, because baffle plate can be supported in the optional position of extruded tube by link, the upper surface part that connects the link and the extruded tube of baffle plate simultaneously, inner surface portion, and lower surface portion connects, therefore compare with conventional art, the link of supporting baffle is short and light, simultaneously can obtain higher support strength with three facial connections, and the connection location of link and extruded tube roughly is in the same plane perpendicular to the bearing of trend of extruded tube, therefore when strong the collision extruded tube on fore-and-aft direction in the crushed process, the connecting portion of link and extruded tube side can not produce opposing, thereby can keep the collision absorptive character of extruded tube, further to guarantee passenger's safety.
In said structure, baffle plate is connected with extruded tube by link, and this link comprises extruded tube side connecting portion, baffle plate side connecting portion, and the connecting portion that connects above-mentioned two connecting portions, wherein extruded tube side connecting portion is connected with extruded tube in the position that is positioned at baffle plate side connecting portion rear side.
Adopt said structure, when slight the collision taken place, baffle plate and buffer beam etc. are arranged in the parts contact process in baffle plate the place ahead, the connecting portion that connects baffle plate side connecting portion and extruded tube side connecting portion deforms, the load that can suppress to put on baffle plate by the distortion of this connecting portion, therefore the extruded tube side connecting portion that is positioned at the extruded tube rear can prevent that also the parts that baffle plate supported such as baffle plate and cooling mechanism are damaged in the support of keeping baffle plate.
In said structure, the connecting portion of link is provided with hollow bulb.
Adopt said structure, because the connecting portion of link is provided with hollow bulb, when vehicle takes place by strong the collision, link can not produce opposing at colliding load, and flexural deformation easily, extruded tube can evenly be crushed thus, to keep the collision absorptive character.
Description of drawings
Fig. 1 is about buffer beam of the present invention and extruded tube, and the scheme drawing of the connection structure of front side frame;
Fig. 2 is the scheme drawing of the connection structure between extruded tube and the link;
Fig. 3 is extruded tube and link, and the scheme drawing of the connection structure of baffle plate;
Fig. 4 is the scheme drawing of conventional art.
The specific embodiment
Below, 1 to 3 pair of example of the present invention describes with reference to the accompanying drawings.
Fig. 1 is buffer beam and extruded tube, and the transparent view of the connection structure of front side frame.Wherein, Fig. 1 (A) is the transparent view from the observation of vehicle front right side, and Fig. 1 (B) is the transparent view (but front side frame is not shown) from the observation of rear view of vehicle right side.Shown in Fig. 1 (A), the vehicle front body structure of this example comprises, by buffer beam 1 that is provided with along vehicle-width direction at buffering suface (not shown) rear and extruded tube 2, the 2 bumper reinforcing member BR that constituted that are connected these buffer beam two ends, 1 left and right sides and extend back; And the rear portion that is arranged on extruded tube 2, and the front side frame 4 that is provided with along the fore-and-aft direction extension in the vehicle body left and right sides.Wherein, the flange part 2F that the end face institute of extruded tube 2 and front side frame 4 is provided with respectively, 4F, the opposite is also connected by link (not shown) mutually.
As shown in Figure 2, link 6, on the vehicle body inner surface 2i of portion, the lower surface portion 2u and upper surface part 2h (with reference to Fig. 3) that is weldingly fixed on the extruded tube 2 that is connected in front side frame 4 front ends respectively by stationary plane 6f, 6g and 6h, obtain higher support strength thus as extruded tube side connecting portion.
And, the direction of welding is shown in the weld part W of shade scope among Fig. 2, on the vehicle body inner surface 2i of portion, be above-below direction, on lower surface portion 2u and upper surface part 2h, be vehicle-width direction, and these position of weld roughly are positioned at the same plane (by the plane shown in the dotted line) perpendicular to the front and back bearing of trend of extruded tube 2.
In addition, be fixed in the fixing facial 6h of the upper surface part 2h of extruded tube 2, its leading section is provided with the facial 6a of upwardly extending extension, and this extends facial 6a and is connected facial 6d connection with the baffle plate top of extending along vehicle-width direction to extension back, the inboard the place ahead of vehicle body.
In addition, be fixed in the fixing facial 6f of the vehicle body inner surface 2i of portion of extruded tube 2, its leading section is provided with the facial 6b of extension to vehicle body inboard the place ahead extension, and this extends facial 6b front portion and is connected facial 6c connection along the baffle plate middle part that vehicle-width direction extends.
And, extend facial 6b rear and be provided with the lengthwise hollow bulb 8a that forms by edge of opening 8.Thus, extend facial 6b not only to the inboard extension of vehicle body, and should also be provided with lengthwise hollow bulb 8a by the interior rear side of face, therefore, when collision happens, especially take place extruded tube 2 from front end crushing to the rear end when absorbing the strong collision that collides load, link 6 can not produce opposing at colliding load, and flexural deformation easily, extruded tube 2 can evenly be crushed thus, to keep the collision absorptive character.
In addition, be fixed in the fixing facial 6g of the lower surface portion 2u of extruded tube 2, be connected facial 6e by extensional surface portion (no symbol) forward with the baffle plate bottom of extending and connect along vehicle-width direction.Simultaneously, baffle plate top connects facial 6d and baffle plate bottom and connects and formed the connecting bore H1 that is used to connect baffle plate, H2 on the facial 6e respectively.
More than, by the connection structure of Fig. 2 to extruded tube 2 and link 6, and the structure of link 6 self is illustrated, hence one can see that, the connection structure of extruded tube 2 and link 6, structure with conventional art on connection location is different, particularly, this connection location be in extruded tube 2 along position in the way of fore-and-aft direction, and roughly be positioned at same plane perpendicular to the front and back bearing of trend of extruded tube 2, therefore when vehicle takes place to collide, extruded tube 2 can be by even crushing keeping the collision absorptive character, thereby guarantee passenger's safety.
And, extruded tube 2 is connected with link 6, upper surface part 2h by extruded tube 2,3 planar portions such as 2i of inner surface portion and lower surface portion 2u are achieved, and the development length forward of link 6 is shorter than the length in the conventional art, therefore when taking place to collide, connecting portion is difficult to be broken by breakage, makes baffle plate 20 have good supporting intensity.
In addition, because extending the back forward from the fixed part that is arranged in position, extruded tube 2 way, link 6 is connected with baffle plate 20, therefore when slight the collision taken place, even buffer beam 1 retreats with baffle plate 20 and contacts, also can baffle plate 20 be retreated, not only can prevent the breakage of baffle plate 20 thus, also can prevent the damage of the parts that baffle plates 20 such as radiator, intercooler are supported.
Below, just Fig. 3 describes.Wherein, the buffer beam shown in the imaginary line 1 soldered, be fixed on and be arranged on a plurality of beams fixing facial 10 that extruded tube 2 leading sections extend along the overall width direction (Fig. 2 is also illustrated).
And according to the above-mentioned explanation to Fig. 2, baffle plate 20 links to each other with extruded tube 2 by link 6.Specifically, link 6, extruded tube 2 along position in the way of fore-and-aft direction, soldered, be fixed on upper surface part 2h, the 2i of inner surface portion (with reference to Fig. 2), on 3 faces of lower surface portion 2u (with reference to Fig. 2), and have in the position that is positioned at the place ahead, said fixing position and to connect facial 6d to the baffle plate top that vehicle interior side is extended and be connected facial 6e with the baffle plate bottom, these tops that are used to connect baffle plate connect and facial the connection with the bottom are respectively arranged with connecting bore H1, H2 on the face.
In baffle plate 20, longeron 24 utilizes above-mentioned baffle plate connecting bore H1, H2, is connected baffle plate top by link (not shown) and connects facial 6d and be connected on the back side of facial 6e with the baffle plate bottom.
More than, about the connection structure of extruded tube 2 with link 6, the structure of link 6, and the connection structure of link 6 and baffle plate 20 only are illustrated the right side part towards vehicle front, but the structure and the right side in its left side are identical.
As mentioned above, use the present invention, not only can improve the baffle plate support performance, the while can prevent the parts that baffle plate supported generation breakages such as cooling mechanism when slightly collision takes place, and is taking place strongly towards keeping the collision absorptive character of extruded tube when bumping to guarantee passenger's safety.
Claims (4)
1. vehicle front body structure comprises:
Front side frame is arranged on the left and right vehicle wheel both sides and extends along fore-and-aft direction;
Bumper reinforcing member by the buffer beam that is provided with along vehicle-width direction in above-mentioned front side frame the place ahead, and is connected with the two ends, the left and right sides of buffer beam and extends back its rear end and above-mentioned front side frame front end bonded assembly extruded tube formation;
Baffle plate is connected with above-mentioned bumper reinforcing member, supports cooling mechanism simultaneously;
Wherein, above-mentioned baffle plate be connected above-mentioned extruded tube along position in the way of fore-and-aft direction.
2. vehicle front body structure according to claim 1 is characterized in that:
Above-mentioned baffle plate is connected with above-mentioned extruded tube by link,
Above-mentioned link, from the upper surface part of above-mentioned extruded tube through inner surface portion until lower surface portion in the same plane of the bearing of trend that is approximately perpendicular to extruded tube, connected.
3. vehicle front body structure according to claim 1 and 2 is characterized in that:
Above-mentioned baffle plate is connected with above-mentioned extruded tube by link,
Above-mentioned link comprises extruded tube side connecting portion, baffle plate side connecting portion, and the connecting portion that connects above-mentioned two connecting portions,
Above-mentioned extruded tube side connecting portion is connected with above-mentioned extruded tube in the position that is positioned at above-mentioned baffle plate side connecting portion rear side.
4. vehicle front body structure according to claim 3 is characterized in that:
The connecting portion of above-mentioned link is provided with hollow bulb.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003026715A JP4127067B2 (en) | 2003-02-04 | 2003-02-04 | Automobile front structure |
| JP200326715 | 2003-02-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1522917A true CN1522917A (en) | 2004-08-25 |
| CN100336694C CN100336694C (en) | 2007-09-12 |
Family
ID=32954629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100048420A Expired - Fee Related CN100336694C (en) | 2003-02-04 | 2004-02-03 | Foreside structure of vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4127067B2 (en) |
| CN (1) | CN100336694C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564987B (en) * | 2008-04-23 | 2012-12-26 | 丰田铁工株式会社 | Vehicular radiator supporting apparatus |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4853627B2 (en) * | 2005-05-23 | 2012-01-11 | マツダ株式会社 | Automobile shroud support structure |
| JP4853151B2 (en) * | 2006-07-14 | 2012-01-11 | マツダ株式会社 | Automotive front structure |
| JP4945324B2 (en) * | 2007-05-31 | 2012-06-06 | 本田技研工業株式会社 | Body front structure |
| JP4804509B2 (en) * | 2008-05-26 | 2011-11-02 | 本田技研工業株式会社 | Body front structure |
| WO2012035946A1 (en) | 2010-09-14 | 2012-03-22 | 本田技研工業株式会社 | Structure of front section of vehicle body |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3360647B2 (en) * | 1998-09-16 | 2002-12-24 | トヨタ自動車株式会社 | Car body front structure |
| JP4224885B2 (en) * | 1999-03-30 | 2009-02-18 | マツダ株式会社 | Front body structure of the vehicle |
| JP4461563B2 (en) * | 1999-10-20 | 2010-05-12 | 株式会社デンソー | Vehicle front-end structure |
| JP2002067839A (en) * | 2000-08-29 | 2002-03-08 | Fuji Heavy Ind Ltd | Structure of car body front |
| JP4267835B2 (en) * | 2000-10-10 | 2009-05-27 | カルソニックカンセイ株式会社 | Auto body front structure |
| JP3979016B2 (en) * | 2001-02-19 | 2007-09-19 | マツダ株式会社 | Auto body front structure |
| JP4706124B2 (en) * | 2001-05-11 | 2011-06-22 | マツダ株式会社 | Auto body front structure |
-
2003
- 2003-02-04 JP JP2003026715A patent/JP4127067B2/en not_active Expired - Fee Related
-
2004
- 2004-02-03 CN CNB2004100048420A patent/CN100336694C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564987B (en) * | 2008-04-23 | 2012-12-26 | 丰田铁工株式会社 | Vehicular radiator supporting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4127067B2 (en) | 2008-07-30 |
| JP2004237787A (en) | 2004-08-26 |
| CN100336694C (en) | 2007-09-12 |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070912 Termination date: 20190203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |