CN102730067A - Front longitudinal beam outer plate structure - Google Patents
Front longitudinal beam outer plate structure Download PDFInfo
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- CN102730067A CN102730067A CN2011100959876A CN201110095987A CN102730067A CN 102730067 A CN102730067 A CN 102730067A CN 2011100959876 A CN2011100959876 A CN 2011100959876A CN 201110095987 A CN201110095987 A CN 201110095987A CN 102730067 A CN102730067 A CN 102730067A
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- front side
- side member
- longitudinal beam
- front longitudinal
- outer plate
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Abstract
The invention relates to a front longitudinal beam outer plate structure of a motor vehicle. The front longitudinal beam outer plate structure comprises a front longitudinal beam body, wherein the front longitudinal beam body comprises a front longitudinal beam outer plate and a front longitudinal beam inner plate, the back section of the front longitudinal beam outer plate is mutually fixedly connected with a doorsill plate and/or a front door hinge pillar of the motor vehicle, a bending region is arranged at the middle section of the front longitudinal beam outer plate, and the front longitudinal beam outer plate on the bending region forms an angle alpha of less than 90 degrees with the trend of the front longitudinal beam body. According to the front longitudinal beam outer plate structure disclosed by the invention, when the collision of the front end occurs, one part of collision energy transferred by a front longitudinal beam can be effectively distributed to the front door hinge pillar and the doorsill plate before passing through the bending region, so that the front longitudinal beam outer plate structure disclosed by the invention can effectively optimize a transfer path of the energy, improve the transfer efficiency of the energy and further improve the collision performance of the whole vehicle.
Description
Technical field
The present invention relates to a kind of structure that absorbs and transmit collision energy, particularly relate to a kind of outer plate structure of front side member that is applicable to all kinds of body structures.
Background technology
Front rail structure of the prior art is arranged in the both sides of machinery space bottom usually along longitudinal direction of car.When vehicle generation front shock, front side member is to absorb and the topmost carrier of transmission collision energy.
As shown in Figure 1, front side member is the enclosed cavity structure usually, is divided into front side member outside plate 10 and front side member inner panel 20;
As shown in Figures 2 and 3, front side member outside plate 10 extends back with approximately parallel mode on the vehicle fore-and-aft direction with front side member inner panel 20, through bending section 30 to front side member back segment 40;
Simultaneously, for the front end crash energy is assigned on the sill plate 60 through front side member, usually can be in the mechanism at the box-like part 50 of front end (being the rear end of bending section 30) design of front side member back segment 40, in order to connect front side member and sill plate 60, as shown in Figures 2 and 3.Wherein, the left side of Fig. 2 be car the place ahead to; Fig. 3 left side be car the place ahead to, upside is a car direction outward.
But the arrangement structure of front side member has two obvious defects in above-mentioned these two kinds of prior aries:
Bending section 30 is the zones of least hoping (being again the easiest on the other hand) lost efficacy (bending or conquassation) in the whole front rail structure.But under this structure, the front end crash energy must reach after the point of crossing of front side member back segment 40 and box-like part 50, again by box-like part 50 distribution portion energy to sill plate 60.Be that bending section 30 must be born the effect that most front end crash energy passes through of transmitting.
And that box-like part 50 and front side member back segment 40 and sill plate 60 connection angles approach is vertical, and energy is not direct to sill plate 60 bang paths by front side member back segment 40, and therefore, its transmission efficiency is also lower.
Summary of the invention
The objective of the invention is to; Overcome the defective of above-mentioned prior art and a kind of simple in structure, outstanding effect is provided; Can the collision energy of front side member transmission be dispensed to effectively Qianmen hinge pillar and sill plate; Optimization car load framed structure bang path, the outer plate structure of front side member of raising car load collision performance.
For realizing above-mentioned purpose, the present invention takes following design plan:
The outer plate structure of the front side member of a kind of self-propelled vehicle of the present invention; Comprise the front side member body; Said front side member body comprises front side member outside plate and front side member inner panel; Be mutually permanently connected between the back segment of said front side member outside plate and the sill plate of self-propelled vehicle and/or the Qianmen hinge pillar, the stage casing of said front side member outside plate is provided with and bends the zone, and the angle α that becomes between said bending the above front side member outside plate of zone and said front side member body trend spends less than 90.
Preferably, the tapping point between said front side member outside plate and the said front side member body trend is positioned at the front portion in said bending zone.
Preferably, said one-tenth angle α is 30～60 degree.
Preferably, be welded to each other between the sill plate of the back segment of said front side member outside plate and self-propelled vehicle and the Qianmen hinge pillar fixing.
Advantage of the present invention is: owing to the invention provides the outer plate structure of a kind of front side member; The bending region front portion of this structure between front side member outside plate and front side member body is provided with bifurcated, and forms certain angle α of one-tenth, and the present invention simultaneously directly links to each other the front side member outside plate with Qianmen hinge pillar and sill plate front end; Can when front end crash takes place; The front side member energy delivered just is being dispensed to Qianmen hinge pillar and sill plate with a part of collision energy before effectively through the bending region, and therefore, the present invention can optimize the transmission of energy path effectively; Improve energy transfer efficiency, thereby improve the collision performance of car load.
Description of drawings
Fig. 1 is the structural representation of front side member in the prior art;
Fig. 2 is the lateral plan of front side member in the prior art;
Fig. 3 is the upward view of structure shown in Fig. 2;
Fig. 4 is a upward view of the present invention;
Fig. 5 is the lateral plan of structure shown in Fig. 4.
The specific embodiment
Referring to Fig. 4 and Fig. 5; The preferred embodiment of the outer plate structure of a kind of front side member of the present invention shown in it comprises the front side member body, and said front side member body comprises front side member outside plate 1 and front side member inner panel 2; As shown in Figure 3; Identical with prior art, front side member outside plate 1 of the present invention also is provided with to be similar to parallel mode on the vehicle fore-and-aft direction with front side member inner panel 2, and extends back.It is pointed out that in the present invention, the left side of Fig. 4 and Fig. 5 be car the place ahead to; The upside of Fig. 4 is the outer direction of car.Further; Be mutually permanently connected between the back segment 4 of said front side member outside plate 1 and the sill plate 6 of self-propelled vehicle and/or the Qianmen hinge pillar 7; In the present embodiment, preferably, be welded to each other between the back segment 4 of front side member outside plate 1 and the sill plate 6 of self-propelled vehicle and Qianmen hinge pillar 7 leading portions.And the stage casing of said front side member outside plate 1 is provided with and bends zone 3, and the angle α that becomes between said bending zone 3 the above front side member outside plate 1 and said front side member body trend spends less than 90; Preferably; Said one-tenth angle α is 30～60 degree, further, and in the present embodiment; Said one-tenth angle α is preferably 45 degree, and this angle helps the distribution of collision energy more.
Preferably, like Fig. 4 and shown in Figure 5, in the present embodiment, the tapping point M between described front side member outside plate 1 and the described front side member body trend is positioned at the front portion in said bending zone 3.
Particularly, principle of work of the present invention is:
Like Fig. 4 and shown in Figure 5, the present invention forms certain angle [alpha] (α＜90 °) with front side member outside plate 1 between the trend of back segment and front side member body, is preferably 45 degree, and front side member outside plate 1 directly is welded to each other fixing with Qianmen hinge pillar 7 and sill plate 6 front ends.When vehicle generation head-on crash; Than prior art constructions (for example; Among Fig. 2 and Fig. 3 through vertical connection the between box-like part 50 and front side member outside plate 10 and the sill plate 60); Become angle α less than 90 degree between front side member outside plate 1 of the present invention and the said front side member body trend, therefore, collision energy distribution can occur at the tapping point M place that becomes angle α: part energy is delivered to Qianmen hinge pillar 7 and sill plate 6 more directly, more efficiently; Another part energy continues to be passed to backward by the main body of front side member outside plate 1 back segment 4 of front side member outside plate 1.
Further, the tapping point M between front side member outside plate 1 of the present invention and the front side member body trend is arranged in the front portion in bending zone 3, can before collision energy is through bending zone 3, just accomplish like this and distribute; Effectively reduce collision energy through bending zone 3; Simultaneously, also help reducing this regional bending or conquassation, thereby reduce the intrusion amount of occupant foot; When front end crash takes place, also can better protection self-propelled vehicle occupant.
Therefore, the outer plate structure of a kind of front side member provided by the invention, the distribution that can make collision energy more efficiently, more direct; Can optimize the transmission of energy path effectively, improve transmission of energy efficient; And the framed structure that can make full use of car load is carried out the transmission of collision energy; So the present invention optimizes through making the collision energy bang path more, finally reach the purpose of the front end crash performance that improves vehicle.
Obviously, those of ordinary skill in the art can use the outer plate structure of a kind of front side member of the present invention, constitutes various types of crash energy absorption and transfer device.
The foregoing description only supplies to explain the present invention's usefulness; And be not to be limitation of the present invention; The those of ordinary skill in relevant technologies field without departing from the present invention, can also be made various variations and modification; Therefore all technical schemes that are equal to also should belong to category of the present invention, and scope of patent protection of the present invention should be limited each claim.
Claims (4)
1. the outer plate structure of the front side member of a self-propelled vehicle; Comprise the front side member body; Said front side member body comprises front side member outside plate (1) and front side member inner panel (2); It is characterized in that: be mutually permanently connected between the back segment (4) of said front side member outside plate (1) and the sill plate (6) of self-propelled vehicle and/or the Qianmen hinge pillar (7); The stage casing of said front side member outside plate (1) is provided with and bends zone (3), and the angle α that becomes between said bending zone (3) the above front side member outside plate (1) and said front side member body trend spends less than 90.
2. the outer plate structure of front side member according to claim 1 is characterized in that: the tapping point (M) between said front side member outside plate (1) and the said front side member body trend is positioned at the front portion in said bending zone (3).
3. the outer plate structure of front side member according to claim 2 is characterized in that: said one-tenth angle α is 30～60 degree.
4. the outer plate structure of front side member according to claim 3 is characterized in that: be welded to each other fixing between the back segment (4) of said front side member outside plate (1) and the sill plate (6) of self-propelled vehicle and the Qianmen hinge pillar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110095987.6A CN102730067B (en) | 2011-04-15 | 2011-04-15 | A kind of front longitudinal beam outer plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110095987.6A CN102730067B (en) | 2011-04-15 | 2011-04-15 | A kind of front longitudinal beam outer plate structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102730067A true CN102730067A (en) | 2012-10-17 |
| CN102730067B CN102730067B (en) | 2016-08-03 |
Family
ID=46986543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110095987.6A Active CN102730067B (en) | 2011-04-15 | 2011-04-15 | A kind of front longitudinal beam outer plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102730067B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791506A (en) * | 2018-04-09 | 2018-11-13 | 吉利汽车研究院（宁波）有限公司 | Body of a motor car and automobile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070079A (en) * | 2006-05-12 | 2007-11-14 | 马自达汽车株式会社 | Vehicle front body structure |
| JP4214629B2 (en) * | 1999-07-26 | 2009-01-28 | マツダ株式会社 | Front body structure of the vehicle |
-
2011
- 2011-04-15 CN CN201110095987.6A patent/CN102730067B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4214629B2 (en) * | 1999-07-26 | 2009-01-28 | マツダ株式会社 | Front body structure of the vehicle |
| CN101070079A (en) * | 2006-05-12 | 2007-11-14 | 马自达汽车株式会社 | Vehicle front body structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791506A (en) * | 2018-04-09 | 2018-11-13 | 吉利汽车研究院（宁波）有限公司 | Body of a motor car and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102730067B (en) | 2016-08-03 |
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