CN1537775A - Front structure of automoble body - Google Patents
Front structure of automoble body Download PDFInfo
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- CN1537775A CN1537775A CNA2004100338955A CN200410033895A CN1537775A CN 1537775 A CN1537775 A CN 1537775A CN A2004100338955 A CNA2004100338955 A CN A2004100338955A CN 200410033895 A CN200410033895 A CN 200410033895A CN 1537775 A CN1537775 A CN 1537775A
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Abstract
To efficiently absorb collision energy with a vehicle body front section at a front collision.In the vehicle body 20, right and left front side frames 31 and 31 in the longitudinal direction of the vehicle body are extended in a front part of the car body, right and left upper members 32 and 32 are extended forward from right and left front pillars 24 and 24 on the outside and upside of the front side frames in the vehicle width direction, and right and left sagging sections 33 and 33 are extended from the front ends of the upper members to the downside of the front side frames. A front upper cross member 41 is suspended between upper parts of the right and left sagging sections above the front side frames, a front lower cross member 42 is suspended between lower parts of the right and left sagging sections under the front side frames, a front bumper beam 60 is suspended between the front ends of the right and left front side frames, both ends of the front bumper beam are extended outwardly in the vehicle body direction and mounted to the front ends of the right and left sagging sections. The front part of the vehicle body has a substantially B shape in the front view.(C)2005,JPO&NCIPI.
Description
Technical field
The present invention relates to before front standing pillar in a kind of car body and the instrument carrier panel part, be the improving technology of the front structure of car body.
Background technology
On February 13rd, 2003, on the disclosed patent gazette 2003-40142 of Japan number, a kind of front structure that can absorb the car body of the impact energy when colliding vehicle from the front with Vehicular body front is disclosed.
Below, according to Fig. 7 the briefing of the front structure of above-mentioned car body is described.
The front structure of above-mentioned car body comprises the front portion that is configured in car body 100, the pair of right and left front side frame 101 that extends of direction (only shows the front side frame on right side forwards, backwards in the left and right sides of car body 100.)。
About put the beams in place 103 with in the overall width direction outside of above-mentioned front side frame 101 and be the mode of upside, forwards extend from left and right sides front standing pillar 102.The portion 104 that tilts extends to the front lower place from these front ends of 103 of putting the beams in place.Left and right sides vertical portion 105 front ends from these rakes 104 extend downwards.Between the lower end of these vertical portions 105, connect with dividing plate underbeam 106 and the 1st attaching parts 107.
When impact energy acts on the position in the overall width direction outside of the front side frame 101 the front portion of car body 100 from the place ahead of car body 100, that is, the impact energy during front that off normal is collided car body 100 acts in the vertical portion 105.Because vertical portion 105 and rake 104 plastic deformation and the impact energy of abirritation on front standing pillar 102.
But when colliding vehicle from the front, or when collided partially the front, the space that car is indoor can be fully guaranteed in requirement.Therefore, in order to ensure the indoor space of car, wish that front portion by car body 100 absorbs when colliding vehicle from the front and the impact energy of off normal when collide the front more efficiently.
Summary of the invention
The front structure of car body provided by the invention, be a kind of front structure that constitutes the part of car body and be positioned at the car body in front standing pillar the place ahead, the left and right sides, by constituting: be configured in the left and right sides of above-mentioned Vehicular body front and the pair of right and left front side frame that extends to the fore-and-aft direction of car body with the lower part; Be positioned at the overall width direction outside and the top of this pair of right and left front side frame, and from above-mentioned left and right sides front standing pillar forwards extend about put the beams in place; The front end of putting the beams in place about this extends to than the above-mentioned left and right sides front side frame left and right sides dip portion of the position of below more; Be configured in the top of above-mentioned left and right sides front side frame and be erected at preceding entablatrance between the top of above-mentioned left and right sides dip portion, that when overlooking, be roughly linearity; Be configured in the below of above-mentioned left and right sides front side frame and be erected at preceding cross sill between the bottom of above-mentioned left and right sides dip portion, that when overlooking, be roughly linearity; With entablatrance before above-mentioned and above-mentioned before cross sill up and down roughly the mode of midway location be erected between the front end of above-mentioned left and right sides front side frame, the two ends of its length direction that extend to the overall width direction outside of above-mentioned left and right sides front side frame are installed in the front bumper of the front end of above-mentioned left and right sides dip portion.
So, the present invention because Vehicular body front makes positive apparent time and is roughly " day " font, so, the impact energy when colliding vehicle from the front, can be distributed to more efficiently left and right sides front side frame or about upper beam, absorbed efficiently by Vehicular body front.
And, because the front side frame and the plastic deformation efficiently of putting the beams in place, so, can the excessive impact energy of abirritation on front standing pillar and instrument carrier panel.Consequently, front standing pillar and instrument carrier panel can be suppressed, the space that car is indoor can be guaranteed fully to car chamber one side plastic deformation.
Have again, because the Vehicular body front of own vehicle can absorb impact energy fully, so, also can relax the impact energy of the other side's of collision vehicle mutually.
Have again, when acting on the position in the overall width direction outside of front side frame from car body the place ahead in impact energy, impact energy when collide partially so-called front to vehicle, by when overlooking be roughly the preceding entablatrance of linearity, when overlooking be roughly the preceding cross sill of linearity and front bumper be distributed to efficiently left and right sides front side frame and about put the beams in place.
Impact energy when therefore, off normal is collided can be efficiently by the anterior absorption of whole locomotive body.Therefore, the front side frame and the plastic deformation efficiently of putting the beams in place, the excessive impact energy when having relaxed the off normal collision that acts on front standing pillar and the instrument carrier panel.Because suppressed front standing pillar and instrument carrier panel deflection as much as possible to car chamber one side plastic deformation, so, even the vehicle off normal is collided, also can fully guarantee the space that car is indoor.
And, because the excessive impact energy that the Vehicular body front on the oneself vehicle has absorbed off normal fully when colliding, so, also can relax the impact energy of the other side's of collision vehicle mutually.
Entablatrance before of the present invention, the two ends of its length direction, preferably the left and right sides attaching parts of the transverse slat shape of the rear side by being arranged on this preceding entablatrance is connected on the dip portion of the above-mentioned left and right sides.
So, if the two ends of the length direction of preceding entablatrance, the attaching parts of the transverse slat shape of the rear side by entablatrance before being arranged on is connected on the dip portion of the left and right sides, has then further improved the rigidity of connecting bridge of the preceding entablatrance of relative left and right sides dip portion.Therefore, preceding entablatrance and about can transmit impact energy more efficiently between putting the beams in place, can further absorb impact energy by Vehicular body front efficiently.
And, because attaching parts is arranged on the rear side of preceding entablatrance,, can guarantee the Design freedom of car body so attaching parts is outstanding from the front surface of car body.
Description of drawings
Fig. 1 is the block diagram of the front structure of expression car body of the present invention.
Fig. 2 is the lateral plan of Vehicular body front of the present invention.
Fig. 3 is the birds-eye view of Vehicular body front of the present invention.
Fig. 4 is the front view of Vehicular body front of the present invention
Fig. 5 is the exploded perspective view of Vehicular body front of the present invention.
Fig. 6 A and Fig. 6 B are the illustratons of model of body portion of the present invention.
Fig. 7 is the structure diagram of existing Vehicular body front.
The specific embodiment
Car body (vehicle frame) 20 of vehicle 10 shown in Figure 1 is separated into the anterior engine room 22 and the car chamber 23 at rear portion by instrument carrier panel 21.Left and right sides front standing pillar 24,24 be arranged in instrument carrier panel 21 near erect.
Below, the constituting of front portion of the car body 20 that is made of skeletonless body described.So-called " front portion of car body 20 " is meant car body part in car body 20, that be positioned at instrument carrier panel 21 and front standing pillar 24,24 the place aheads.Instrument carrier panel 21 is dividing plates, also is gauge panel.Front standing pillar the 24, the 24th is configured in the pillar of the boundary portion of front windshield and side Windshield.
The pair of right and left front side frame 31,31 that is configured in the Vehicular body front left and right sides extends before and after car body.About put the beams in place and 32,32 be configured to forwards extend from left and right sides front standing pillar 24,24 at the overall width direction of left and right sides front side frame 31,31 outside and upsides.Left and right sides dip portion 33,33 from about put the beams in place 32,32 front end extend the below of front side frame 31,31 to the left and right.Cowl board 40 is connected with the front portion of left and right sides front side frame 31,31 and the front portion of left and right sides dip portion 33,33.About before damper bracket (front damper housing) 34,34 and left and right sides wheel cover 35,35 be erected at front side frame 31,31 and put the beams in place between 32,32.
Left and right sides front-wheel 51 (only shows the near front wheel 51 in the drawings.) be configured in the outside of the overall width direction of front side frame 31,31.
The rear end of front side frame 31,31 with about central bogie side frame 36,36 (with reference to Fig. 3) be connected.The top of preceding damper bracket 34 supporting front-wheels 51 usefulness forward mountings (not shown).
Preceding entablatrance 41 is configured in the top of left and right sides front side frame 31,31, plays supporting radiator (figure does not show).
Preceding cross sill 42 is configured in the below of left and right sides front side frame 31,31, plays mounting radiator (figure does not show).
Because the left and right sides stay 43,43 that erects is connected with left and right sides front side frame 31,31, so, the rigidity of car body 20 improved.
As shown in Figure 2, central bogie side frame 36 structures are: the rear end of front side frame 31 is connected with the front end of the extension 39 that extends to the front upper place from the front end of this central authorities' bogie side frame 36.Front standing pillar 24 is made of the lower supporting rod 25 of lower part and the upper supporting column 26 of the first half.
Front standing pillar 24, upper beam 32 and dip portion 33 also can be made one with these all parts, or also a part can be linked into an integrated entity.
Shown in Figure 3 is that preceding cross sill 42 is configured in the front end 31a of left and right sides front side frame 31,31, the rear of 31a, preceding entablatrance 41 is configured in the rear of this preceding cross sill 42.
Preceding entablatrance 41 and preceding cross sill 42 are grown on the overall width direction, roughly are the pipe of linearity when overlooking.
Have again, in front bumper 60, Yi Bian the left and right beam extension 61,61 that extends to the overall width direction of front side frame 31,31 outside little circular-arc when constituting overlooking of than car body middle body little and crooked extension rearward on one side with the front end 33a of dip portion 33,33, mode that 33a overlaps.
So, because left and right beam extension 61,61 is little circular-arc when making crooked overlooking, so when acting on the beam extension 61 on a left side or the right side in the impact energy when the front of car body 20 off normal is collided, impact energy can be easy to be absorbed.
Two ends 41a, the 41a (being two ends 41a, the 41a of overall width direction) of the length direction of preceding entablatrance 41 is connected on the left and right sides dip portion 33,33 by the technologies such as attaching parts 44,44 usefulness welding of the transverse slat shape of entablatrance 41 rear sides before being arranged on.
If in detail, two ends 41a, the 41a of preceding exactly entablatrance 41 extend to left and right sides dip portion 33,33 each inboard face 33b, 33b near, and, as shown in Figure 2, when seeing from the side, be positioned at the curved upper surface 33c of dip portion 33,33, the top of 33c.Therefore, the rear lower on two ends 41a, the 41a of 44,44 the past of attaching parts entablatrance 41 can be extended to each inboard face 33b, 33b of dip portion 33,33, and they be connected with technologies such as welding.Attaching parts the 44, the 44th is roughly leg-of-mutton corner plate when overlooking.
So, can improve the rigidity of connecting bridge of the preceding entablatrance 41 of relative left and right sides dip portion 33,33.Therefore, preceding entablatrance 41 and about put the beams in place and can transmit impact energy more efficiently between 32,32.Therefore, can be further absorb impact energy by the front portion of car body 20 more efficiently.
And, can be at an easy rate the preceding entablatrance 41 of pipe be connected on the dip portion 33,33.Have again, because attaching parts 44,44 is arranged on the rear side of preceding entablatrance 41, so attaching parts 44,44 is outstanding from the front surface of car body 20.Therefore, can guarantee the design-calculated degree of freedom of car body 20.
As shown in Figure 4, preceding entablatrance 41 is the outstanding upward tunnel-shaped of middle body in main looking, and preceding cross sill 42 also roughly is linearity in facing.
Before attaching parts 45,45 by the stringer board shape of cross sill 42 rear sides before being arranged on of length direction two ends 42a, the 42a of cross sill 42, be connected on front end 33a, the 33a of left and right sides dip portion 33,33 with technologies such as bolt or welding.
The combination of the front bumper 60 by left and right sides dip portion 33,33, upper preceding entablatrance 41, the meta shown in the imaginary line, the next preceding cross sill 42, the front view of car body 20 roughly constitutes " day " word shape, that is, the bar of formation level crosses the shape of closed section that front view is roughly the central authorities of dimetric closed section.
At this,,, connect front side frame 31,31 and dip portion 33,33 by attaching parts 71,71 by extending left and right sides attaching parts 71,71 to approximate horizontal ground, the overall width direction outside from left and right sides front side frame 31,31 with reference to Fig. 2 and Fig. 3.This attaching parts the 71, the 71st, pipe.
Specifically, as shown in Figure 3, from above when seeing car body 20, one end of attaching parts 71,71 is connected with front side frame 31,31 on the rear position of preceding entablatrance 41, near the position of the other end two ends of preceding entablatrance 41 41a, 41a is connected on the dip portion 33,33 by connecting panel 72,72 (with reference to Fig. 4).
Shown in Figure 5 is removably front bumper 60 to be installed in example on front end 33a, the 33a of front end 31a, the 31a of left and right sides front side frame 31,31 and left and right sides dip portion 33,33 with a plurality of bolts 62.
Fig. 6 A is a block diagram of schematically representing the front portion of car body 20, and Fig. 6 B is a birds-eye view of schematically representing the front portion of car body 20.
When colliding vehicle 10 (the positive collision) from the front, the impact energy E1 that acts on the central authorities of front bumper 60 disperses to be delivered to left and right sides front side frame 31,31 and dip portion 33,33.
The impact energy E2 of the central authorities of entablatrance 41 is delivered to dip portion 33,33 with the impact energy E3 of the central authorities that act on preceding cross sill 42 before acting on, and then, also disperse to be delivered to left and right sides front side frame 31,31 by front bumper 60.
So, because positive apparent time is made in the front portion of car body 20 is roughly " day " word shape, so, impact energy E1, E2 when vehicle 10 is collided in the front, E3 can by left and right sides front side frame 31,31 and about put the beams in place and 32,32 disperse efficiently, absorb more efficiently by the front portion of car body 20.
And front side frame 31,31 and put the beams in place and 32,32 produce plastic deformation efficiently can excessive impact energy E1, E2, the E3 of abirritation on front standing pillar 24,24 and instrument carrier panel 21.Therefore, can suppress front standing pillar 24,24 and instrument carrier panel 21 deflection to car chamber 23 1 side plastic deformation.Therefore, when colliding vehicle 10, the distortion of front standing pillar 24,24 and instrument carrier panel 21 can be further suppressed, the space in the car chamber 23 can be guaranteed more fully from the front.
Have again, owing to can absorb impact energy E1, E2, E3 fully by car body 20 front portions on the oneself vehicle 10, so, also can relax the impact energy of the other side's of collision vehicle mutually.
Have, when off normal was collided vehicle 10, the impact energy E4 that acts on the beam extension 61 on right side disperseed to be delivered on left and right sides front side frame 31,31 and the dip portion 33,33 again.
Act on right side dip portion 33 top impact energy E5 and act on right side dip portion 33 the bottom impact energy E6 by preceding entablatrance 41 and preceding cross sill 42 also be delivered to the left side dip portion 33, simultaneously, also can disperse to be delivered on the dip portion 33 in left and right sides front side frame 31,31 and left side by front bumper 60.
So, because positive apparent time is made in the front portion of car body 20 is roughly " day " font, so, impact energy E4, the E5 during front that off normal is collided vehicle 10, E6 can by birds-eye view be roughly the preceding entablatrance 41 of linearity, the preceding cross sill 42 that is roughly linearity when overlooking and front bumper 60 be distributed to efficiently left and right sides front side frame 31,31 and about put the beams in place 32,32.
Therefore, even impact energy E4, E5, E6 when off normal is collided also can be absorbed efficiently by the anterior integral body of whole locomotive body 20.Therefore, the front side frame 31,31 and 32,32 plastic deformation efficiently of putting the beams in place, excessive impact energy E4, E5, E6 when can the off normal of abirritation on front standing pillar 24,24 and instrument carrier panel 21 colliding.The deflection to car chamber 23 1 side plastic deformation that can suppress front standing pillar 24,24 and instrument carrier panel 21 as much as possible.Therefore,, also can suppress the distortion of front standing pillar 24,24 and instrument carrier panel 21, can fully guarantee the space in the car chamber 23 even off normal is collided vehicle 10.
And, because excessive impact energy E4, E5, E6 can absorb the off normal collision fully by the front portion of the car body 20 of own vehicle 10 time, so, also can relax impact energy to the vehicle that collides the other side mutually.
Claims (2)
1. the front structure of a car body, the part that its constitutes car body (10) also is positioned at left and right sides front standing pillar (24,24) the place ahead, it is characterized in that, comprises with the lower part:
The front side frame of pair of right and left (31,31), these front side frames are configured in the left and right sides of above-mentioned Vehicular body front and extend to the fore-and-aft direction of car body;
About put the beams in place (32,32), these upper beams are positioned at the overall width direction outside and the top of above-mentioned pair of right and left front side frame, and forwards extend from above-mentioned left and right sides front standing pillar;
The front end that left and right sides dip portion (33,33), these dip portion are put the beams in place about above-mentioned extends to than the above-mentioned left and right sides front side frame position of below more;
Preceding entablatrance (41), this preceding entablatrance is configured in the top of above-mentioned left and right sides front side frame and is erected between the top of above-mentioned left and right sides dip portion, is roughly linearity when overlooking;
Preceding cross sill (42), this preceding cross sill is configured in the below of above-mentioned left and right sides front side frame and is erected between the bottom of above-mentioned left and right sides dip portion, is roughly linearity when overlooking;
Front bumper (60), this front bumper with entablatrance before above-mentioned and above-mentioned before cross sill up and down roughly the mode of midway location be erected between the front end of above-mentioned left and right sides front side frame, the two ends of its length direction that extend to the overall width direction outside of above-mentioned left and right sides front side frame are installed in the front end of above-mentioned left and right sides dip portion.
2. according to the front structure of the car body of claim 1, it is characterized in that:
The left and right sides attaching parts (44,44) of the transverse slat shape of the rear side of the two ends of the length direction of entablatrance by being arranged on this preceding entablatrance is connected on the dip portion of the above-mentioned left and right sides before above-mentioned.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003114864A JP3866677B2 (en) | 2003-04-18 | 2003-04-18 | Body front structure |
| JP114864/2003 | 2003-04-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1537775A true CN1537775A (en) | 2004-10-20 |
| CN100429109C CN100429109C (en) | 2008-10-29 |
Family
ID=33474303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100338955A Expired - Fee Related CN100429109C (en) | 2003-04-18 | 2004-04-19 | Front structure of automoble body |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3866677B2 (en) |
| CN (1) | CN100429109C (en) |
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| CN101037118B (en) * | 2006-03-15 | 2012-04-18 | 马自达汽车株式会社 | Vehicle front body structure |
| CN103171627A (en) * | 2011-12-21 | 2013-06-26 | F·波尔希名誉工学博士公司 | Front-section structure of a motor vehicle |
| CN103723199A (en) * | 2014-01-10 | 2014-04-16 | 安徽江淮汽车股份有限公司 | Integral type part mounting vehicle body structure of engine compartment |
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| JP4547931B2 (en) * | 2004-02-18 | 2010-09-22 | マツダ株式会社 | Front body structure of automobile |
| JP4582307B2 (en) * | 2004-12-16 | 2010-11-17 | マツダ株式会社 | Body front structure |
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| JP2008273379A (en) * | 2007-04-27 | 2008-11-13 | Toyota Motor Corp | Vehicle body structure |
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| KR101416387B1 (en) * | 2012-12-10 | 2014-07-08 | 현대자동차 주식회사 | Frontal collision impact absorbing device for vehicle |
| CN105050888B (en) | 2013-01-25 | 2017-05-17 | 丰田自动车株式会社 | Vehicle body front structure |
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| KR101689571B1 (en) * | 2014-12-05 | 2016-12-26 | 주식회사 성우하이텍 | Reinforcement unit of bumper beam for vehicle |
| CN109895861B (en) * | 2017-12-08 | 2023-11-17 | 宇通客车股份有限公司 | Vehicle and front wall skeleton thereof |
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| JPH06144294A (en) * | 1992-11-03 | 1994-05-24 | Toyota Autom Loom Works Ltd | Front body structure of automobile |
| JPH10203408A (en) * | 1997-01-20 | 1998-08-04 | Suzuki Motor Corp | Car body front structure |
| JP2001018837A (en) * | 1999-07-09 | 2001-01-23 | Daihatsu Motor Co Ltd | Body front structure for automobile |
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2003
- 2003-04-18 JP JP2003114864A patent/JP3866677B2/en not_active Expired - Fee Related
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- 2004-04-19 CN CNB2004100338955A patent/CN100429109C/en not_active Expired - Fee Related
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| CN101037118B (en) * | 2006-03-15 | 2012-04-18 | 马自达汽车株式会社 | Vehicle front body structure |
| CN101195388B (en) * | 2006-12-05 | 2011-12-21 | 福特全球技术公司 | Rail structure in double-tube lower vehicle frame |
| CN103171627A (en) * | 2011-12-21 | 2013-06-26 | F·波尔希名誉工学博士公司 | Front-section structure of a motor vehicle |
| CN103171627B (en) * | 2011-12-21 | 2016-01-20 | F·波尔希名誉工学博士公司 | The front section structure of power actuated vehicle |
| CN103723199A (en) * | 2014-01-10 | 2014-04-16 | 安徽江淮汽车股份有限公司 | Integral type part mounting vehicle body structure of engine compartment |
| CN103723199B (en) * | 2014-01-10 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Part body structure in a kind of machinery space integral type |
| CN105539335A (en) * | 2015-12-25 | 2016-05-04 | 苏州奥杰汽车技术股份有限公司 | Frame with energy absorption structure |
| CN107187500A (en) * | 2017-05-23 | 2017-09-22 | 保定中兴田野新能源汽车科技有限公司 | A kind of three-dimensional multipath bearing-type engine room structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3866677B2 (en) | 2007-01-10 |
| JP2004314899A (en) | 2004-11-11 |
| CN100429109C (en) | 2008-10-29 |
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