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CN103213620B - For the longeron of vehicle frame, vehicle frame and the vehicle with it - Google Patents

For the longeron of vehicle frame, vehicle frame and the vehicle with it Download PDF

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Publication number
CN103213620B
CN103213620B CN201310156117.4A CN201310156117A CN103213620B CN 103213620 B CN103213620 B CN 103213620B CN 201310156117 A CN201310156117 A CN 201310156117A CN 103213620 B CN103213620 B CN 103213620B
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China
Prior art keywords
longeron
energy
vehicle frame
absorbing groove
fuel tank
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CN201310156117.4A
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CN103213620A (en
Inventor
黄勇
王志明
李勇君
宋红双
徐波
张清芳
孙保卫
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Jingcheng Engineering Automobile System Co., Ltd.
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Great Wall Motor Co Ltd
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Priority to CN201310156117.4A priority Critical patent/CN103213620B/en
Publication of CN103213620A publication Critical patent/CN103213620A/en
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  • Body Structure For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The invention discloses a kind of longeron for vehicle frame, this longeron can comprise longeron body.This longeron body has front-end and back-end, described longeron body be provided with multiple endergonic structure from described rear end towards the hindfoot portion of described front end definite length extended, and the spacing in described multiple endergonic structure between arbitrary neighborhood two described endergonic structures is successively decreased according to from described rear end towards the direction of described front end.According to girder work of the present invention; can realize when the rearward collision from vehicle such as knocking into the back; the energy that collision is produced is at the longeron site absorption away from fuel tank; thus the longeron of fuel tank construction section is not deformed; greatly ensure that the safety of fuel tank; and the spacing of multiple endergonic structure adopts the design of successively decreasing gradually from back to front, can improve energy-absorbing effect further, the safety of protection fuel tank further.In addition, the invention also discloses a kind of vehicle frame for vehicle and the vehicle with this vehicle frame.

Description

For the longeron of vehicle frame, vehicle frame and the vehicle with it
Technical field
The present invention relates to automobile technical field, especially relate to a kind of longeron for vehicle frame, there is the vehicle frame of this longeron and there is the automobile of this vehicle frame.
Background technology
The vehicle frame of automobile chassis frame, especially chassis frame and body construction, generally includes longeron and is connected to the crossbeam between longeron.Frame strength has material impact for the safety of automobile, and such as, when automobile crashes, vehicle frame can absorb the energy that collision produces, thus ensures the safety of vapour passengers inside the car.
The fuel tank of automobile is arranged on the rear portion of vehicle frame usually, therefore for ensureing the safety of fuel tank, after automobile occurs, especially ensures during collision that the safety of fuel tank is just extremely important.In the prior art, fuel tank is arranged between the longitudinal and cross beam of vehicle frame usually, relies on the longitudinal and cross beam protection fuel tank around fuel tank.But when colliding after automobile occurs, the distortion of longeron can be delivered near fuel tank, cause the longeron near fuel tank to be out of shape, thus the installing space of fuel tank is compressed, and causes fuel tank to damage, produce fuel leakage, this can cause larger danger.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, the present invention needs to provide a kind of longeron for vehicle frame, this longeron can absorb produced energy in the rear collision process of the vehicle of such as automobile, thus in use the distortion of longeron can not be delivered near fuel tank, the installing space of fuel tank can not be compressed, and improves the safety of fuel tank.
In addition, the present invention also needs to provide a kind of vehicle frame for vehicle, and this vehicle frame not only can provide traditional fuel tank protected mode, and the safety of fuel tank in collision process after the vehicle that can increase such as automobile.
Further, the present invention also needs to provide a kind of vehicle, and described vehicle has the fuel tank safety of improvement, particularly in vehicle rear-end collision or rear process of colliding.
In view of this, according to an aspect of the present invention, provide a kind of longeron for vehicle frame, this longeron can comprise: longeron body, described longeron body has front-end and back-end, described longeron body be provided with multiple endergonic structure from described rear end towards the hindfoot portion of described front end definite length extended, the spacing in wherein said multiple endergonic structure between arbitrary neighborhood two described endergonic structures is successively decreased according to from described rear end towards the direction of described front end.
According to the longeron for vehicle frame of the present invention, due to the cause of endergonic structure that this hindfoot portion is formed, thus in the rear collision process of the vehicle of such as automobile, in use procedure the distortion of longeron cushion by endergonic structure and absorb, thus can not be delivered near fuel tank, the installing space of fuel tank can not be compressed, thus, improve the safety of fuel tank, and the spacing of multiple endergonic structure changes according to the mode of successively decreasing from back to front, can be out of shape in time to cushion and absorbing forces of impact at each endergonic structure place like this, in time and effectively eliminate the accumulation of energy that longeron body is produced by conquassation, further increase the protection to fuel tank.
According to one embodiment of present invention, described endergonic structure is energy-absorbing groove, and described energy-absorbing groove is formed at least one in the lateral surface of section part in the rear and medial surface.By this energy-absorbing groove, Impact energy buffering simply easily can be realized, and with low cost.
According to one embodiment of present invention, be different in the degree of depth of the multiple described energy-absorbing groove of the same side of described longeron body.
According to one embodiment of present invention, be alternately change in the degree of depth of the multiple described energy-absorbing groove of the same side of described longeron body.
According to one embodiment of present invention, the degree of depth of the multiple described energy-absorbing groove in the same side of described longeron body according to the distance of each described energy-absorbing groove and described rear end be negative correlation change.
According to one embodiment of present invention, the whole thickness of the through along the vertical direction described longeron body of described energy-absorbing groove, each in the lateral surface of described hindfoot portion and medial surface is equipped with multiple described energy-absorbing groove, and the multiple described energy-absorbing groove on described lateral surface and the multiple described energy-absorbing groove on described medial surface are interspersed in the longitudinal direction of described longeron body.
According to one embodiment of present invention, the degree of depth of described energy-absorbing groove is 4-6 millimeter, and the distance between adjacent described energy-absorbing groove is greater than 100 millimeters.
According to one embodiment of present invention, each in the lateral surface of described hindfoot portion and medial surface is equipped with three described energy-absorbing grooves, energy-absorbing groove nearest apart from described rear end in described three energy-absorbing grooves and the distance between the energy-absorbing groove of centre are greater than 200 millimeters, and the energy-absorbing groove farthest of rear end described in described three energy-absorbing groove middle distances and the distance between the energy-absorbing groove of centre are not more than 150 millimeters.
According to a further aspect in the invention, a kind of vehicle frame for vehicle is provided.This vehicle frame can comprise: two longerons as above, and described two longerons are spaced apart from each other; And multiple crossbeam, described multiple crossbeam is located between described longeron respectively and fore-and-aft direction along described longeron body is spaced apart, and the first end of each described crossbeam is fixedly connected with described two longerons respectively with the second end.
According to the vehicle frame for vehicle of the present invention, this vehicle frame not only can provide traditional fuel tank protected mode, and the cause of girder work owing to improving, and can increase the safety of fuel tank in collision process after the vehicle of such as automobile.
In accordance with a further aspect of the present invention, provide a kind of vehicle, this vehicle can comprise: foregoing vehicle frame; And fuel tank, described fuel tank is arranged on described vehicle frame, and described fuel tank is separately fixed between two adjacent described crossbeams and is fixed on in described longeron, is provided with at least one crossbeam between the described endergonic structure of wherein said vehicle frame on described fuel tank and described longeron.
Vehicle according to the invention, this vehicle due to the cause of above-mentioned improvement vehicle frame, thus is provided with the fuel tank safety of improvement, particularly in vehicle rear-end collision or rear process of colliding.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the birds-eye view of the vehicle frame for vehicle according to an embodiment of the invention;
Fig. 2 is the part isometric schematic diagram of the vehicle frame for vehicle according to an embodiment of the invention;
Fig. 3 is the enlarged diagram of part A as shown in Figure 2;
Fig. 4 is the top partial view diagram of the vehicle frame for vehicle according to an embodiment of the invention, which show the hindfoot portion of this vehicle frame;
Fig. 5 is along the B-B shown in Fig. 1 to got section-drawing;
Fig. 6 is the front view of the longeron for vehicle frame according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.Such as, in describing the invention, take automobile as benchmark, automobile head is front, and after automobile tail is, automobile left side is left, and the right side of automobile be the right side, in the first and second longerons of vehicle frame side facing with each other is.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " is connected ", " connection ", etc. term should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.In addition, it is that two elements are fastened to each other and can not relative motion that term " is fixedly connected with ", such as, weld, bolt connection etc.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Describe the longeron for vehicle frame according to an embodiment of the invention in detail below in conjunction with accompanying drawing, for vehicle frame and the vehicle with this vehicle frame of vehicle, wherein Fig. 1,2 shows the vehicle frame 100 for vehicle according to an embodiment of the invention.Fig. 6 shows the front view of the longeron 200 for vehicle frame 100 according to an embodiment of the invention.It should be noted that, exemplarily vehicle according to the invention will be described with automobile below, but it should be noted that, the invention is not restricted to automobile, and longeron, vehicle frame can be applied to and anyly have in the vehicle of the body structure of Non-carrying type according to an embodiment of the invention, such as truck, passenger vehicle, battery-driven car etc., be not particularly limited to herein.
As shown in figs. 1-4, this vehicle frame 100 can comprise longeron 200,300 and multiple crossbeam 102,104,106,108,110.These two longerons 200,300 are spaced setting of turning up the soil.Multiple crossbeam 102,104,106,108,110 is located between longeron 200,300 respectively and fore-and-aft direction along longeron 200,300 is arranged at interval.The two ends of each crossbeam are fixedly connected with longeron 200,300 respectively.
To be described in detail to longeron 200,300 below.It should be noted that, longeron 200 can have identical or similar structure with 300, only will be described in detail the structure of longeron 200 below thus, omits the detailed description of longeron 300 herein.
As shown in figs. 1-4, this longeron 200 can comprise longeron body 201.Longeron body 201 can have front end 202 and rear end 203.Longeron body 201 can be provided with multiple endergonic structure from rear end 203 towards the hindfoot portion 204 of front end 202 definite length extended.In the process of the plurality of endergonic structure collision after vehicle such as automobile occurs, energy can be absorbed fully, contriver finds, the spacing of multiple endergonic structure is to the tangible relevance of energy-absorbing effect, on this basis, contriver is drawn by great many of experiments, and when the spacing of multiple endergonic structure is successively decreased according to direction from back to front, energy-absorbing effect is best.
In view of this, spacing in the plurality of endergonic structure between arbitrary neighborhood two endergonic structures is successively decreased according to from described rear end towards the direction of described front end, in other words, in the plurality of endergonic structure, the spacing of adjacent two endergonic structures reduces from back to front gradually, such as three endergonic structures, last and the spacing of one, centre are greater than middle one and the most previous spacing, i.e. L2 > L1, as shown in Figure 1.
According to the longeron for vehicle frame of the present invention, due to the cause of the endergonic structure of formation on this hindfoot portion 204, thus in the rear collision process of the vehicle of such as automobile, in use procedure the distortion of longeron cushion by endergonic structure and absorb, thus can not be delivered near fuel tank, the installing space of fuel tank can not be compressed, thus, improve the safety of fuel tank, and the spacing of multiple endergonic structure changes according to the mode of successively decreasing from back to front, can be out of shape in time to cushion and absorbing forces of impact at each endergonic structure place like this, in time and effectively eliminate the accumulation of energy that longeron body 201 is produced by conquassation, further increase the protection to fuel tank.
Be further elaborated to above-mentioned endergonic structure below.As shown in Fig. 3,4, according to one embodiment of present invention, this endergonic structure can be configured to energy-absorbing groove 205.By this energy-absorbing groove 205, Impact energy buffering simply easily can be realized, and with low cost.
According to one embodiment of present invention, energy-absorbing groove 205 is formed at least one in the lateral surface 206 of hindfoot portion 204 and medial surface 207.In example such as shown in Fig. 1,4, lateral surface 206 and medial surface 207 are all formed with energy-absorbing groove 205, and the spacing of multiple energy-absorbing grooves 205 in lateral surface 206 and medial surface 207 on each side is all successively decrease gradually according to direction from back to front.According to one embodiment of present invention, the whole thickness of the through along the vertical direction longeron body 201 of energy-absorbing groove 205, as shown in Figure 3.And this energy-absorbing groove 205 can be formed as multiple, described multiple energy-absorbing groove 205 is spaced apart from each other along the fore-and-aft direction of longeron body 201.
As shown in Fig. 1,4, each in the lateral surface of hindfoot portion and medial surface is equipped with multiple energy-absorbing groove 205, and the multiple energy-absorbing grooves 205 on lateral surface 206 correspond to each other with the multiple energy-absorbing grooves 205 on medial surface 207 and arrange on the Width of longeron body 201.Thus, can cushion and be absorbed in the distortion of longeron 200 in the rear collision process of automobile well, thus the energy preventing collision from producing is passed near fuel tank 400, threatens the safety of fuel tank.
Certainly, the present invention is not limited to this, and in another embodiment of the present invention, the multiple energy-absorbing grooves 205 on lateral surface 206 are interspersed in the longitudinal direction of longeron body 201 with the multiple energy-absorbing grooves 205 on medial surface 207.Thus, can cushion and be absorbed in the distortion of longeron 200 in the rear collision process of automobile well, thus the energy preventing collision from producing is passed near fuel tank 400, threatens the safety of fuel tank.
According to one embodiment of present invention, be different in the degree of depth of multiple energy-absorbing grooves 205 of the same side of longeron body 201.Need to illustrate a bit, " the same side " here can be understood as medial surface 207 or the lateral surface 206 of longeron body 201.
Further, be alternately change in the degree of depth of multiple energy-absorbing grooves 205 of the same side of longeron body 201.In other words, the degree of depth of the multiple energy-absorbing grooves 205 on the same side of longeron body 201 such as medial surface 207 and/or lateral surface 206 is one dark one shallow, such as three energy-absorbing grooves 205 on longeron body 201 lateral surface 206, last can be darker, one, centre can be more shallow, the most previous then can be darker, to be on different straight lines at the line of multiple such as diapires of three energy-absorbing grooves 205 of this same side like this, namely not conllinear, form the shape of similar multistage broken line, like this when impact force is passed to the plurality of energy-absorbing groove 205 place, the direction of a power can be changed at each energy-absorbing groove 205 place, thus the power reduced to next energy-absorbing groove 205 transmission and energy, make the plurality of energy-absorbing groove 205 can endoergic collision energy more fully, protection longeron body 201 and fuel tank, improve the safety of fuel tank.
Certainly, the present invention is not limited thereto, in another embodiment of the present invention, the degree of depth of the multiple energy-absorbing grooves 205 in the same side of longeron body 201 according to each energy-absorbing groove 205 and the distance of the rear end of longeron body 201 be negative correlation change, that is, energy-absorbing groove 205 is far away apart from the rear end of longeron body 201, and its degree of depth is less.Like this when such as automobile collides after occurring vehicle, most of or all collision energies fully can be absorbed by position energy-absorbing groove 205 rearward, reduce even collision free energy to front transfer, thus the safety of the fuel tank that adequately protects.
According to one embodiment of present invention, the degree of depth of energy-absorbing groove 205 can be 4-6 millimeter, and the degree of depth of such as energy-absorbing groove 205 can be 5 millimeters.According to one embodiment of present invention, the distance between adjacent energy-absorbing groove 205 is greater than 100 millimeters, and the distance preferably between this adjacent energy-absorbing groove 205 can be greater than 200 millimeters.
As shown in fig. 1, each in the lateral surface 206 of hindfoot portion 204 and medial surface 207 is equipped with three energy-absorbing grooves 205, energy-absorbing groove 205 nearest apart from described rear end 203 in three energy-absorbing grooves 205 and the distance between the energy-absorbing groove 205 of centre are greater than 200 millimeters, these three energy-absorbing groove middle distance rear ends energy-absorbing groove 205 farthest and the distance between the energy-absorbing groove 205 of centre are not more than 150 millimeters, and the distance namely between this energy-absorbing groove 205 farthest and middle energy-absorbing groove 205 is between 100mm-150mm.Adopt this line space design, can further cushion and be absorbed in the distortion of longeron 200 in the rear collision process of automobile, thus the energy preventing collision from producing is passed near fuel tank 400.
According to one embodiment of present invention, the cross-sectional plane of energy-absorbing groove 205 is circular arc or V-arrangement and described energy-absorbing groove 205 can be formed by punching press.Thus, formed the structure of this energy-absorbing groove by impact style, industrial manufacturing cost can be reduced significantly.
According to one embodiment of present invention, as shown in Figure 5, longeron body 201 comprises interior plate 208 and outer panel 209, the cross-sectional plane of interior plate 208 and outer panel 209 is U-shaped, and the open end of interior plate 208 coordinates and is fixed in the open end of described outer panel 209 so that longeron body 201 is configured to hollow tubular.Thus, by forming the structure of longeron body like this, implement structure simple, and easy for installation.In addition, the interior plate 208 and outer panel 209 of U-shaped form energy-absorbing groove 205, and cost is cheaper.
According to one embodiment of present invention, as shown in Figure 5, four bights 210 of the cross-sectional plane of longeron body 201 are formed towards the concave bar 211 of the internal recess of longeron body 201.Thus, by forming concave bar 211 in four bights 210 in a longitudinal direction at longeron body 201, thus the absorption that can realize further energy in rear collision process, and aggravation longeron is out of shape in the crumple of energy-absorbing groove further, thus ensure the safety of fuel tank 400 further.According to one embodiment of present invention, concave bar 211 can by being formed at four these longeron bodies 201 of bight 210 place's punching press.
Owing to having the cause of the longeron 200,300 of above-mentioned structure, in above-mentioned vehicle frame 100, not only can provide traditional fuel tank protected mode, and the safety of vehicle fuel tank in rear collision process of such as automobile can be increased.
As shown in Figure 6, in multiple crossbeam, the first end 112 of last crossbeam 110 is fixedly connected with the rear end of longeron 200,300 respectively with the second end 114.Compared with the beam structure of this bumper/spoiler form connected with the on-fixed of traditional employing, owing to longeron 200,300 being formed with the cause of endergonic structure, the mode that traditional on-fixed connects can be adopted herein, thus improve the overall construction intensity of vehicle frame 100.As shown in Fig. 1,6, the endergonic structure that longeron 200,300 is formed can with a backmost crossbeam 110 or and be disposed adjacent with the crossbeam 108 that described crossbeam is backmost close in multiple crossbeam.
As shown in fig. 1, described longeron is formed with the Support bracket 212,312 for being fixed to by vehicle frame 100 on auto body (not shown).And described vehicle frame 100 can be configured with rear shock bracket (not shown) further, for the bumper (not shown) of fixing such as automobile.
In the longeron 200,300 and vehicle frame 100 of foregoing description of the present invention, due to the cause of endergonic structure that longeron is formed, this longeron can absorb produced energy in the rear collision process of the vehicle of such as automobile, thus in use the distortion of longeron can not be delivered near fuel tank, the installing space of fuel tank can not be compressed, and improves the safety of fuel tank.
Simply the vehicle comprising above-mentioned vehicle frame will be briefly described below.According to one embodiment of present invention, this vehicle can comprise foregoing vehicle frame 100 and fuel tank 400.As shown in fig. 1, fuel tank 400 is arranged on vehicle frame 100, and fuel tank 400 to be separately fixed between two adjacent described crossbeams 102,104 and to be fixed on longeron 200.As shown in fig. 1, vehicle frame 100 is provided with at least one crossbeam between fuel tank 400 and the endergonic structure of longeron 200.As shown in fig. 1, fuel tank 400 is fixed by fixed-wing 120 that adapter plate 118 that adapter plate 116 that crossbeam 104 is formed, crossbeam 102 are formed and longeron 200 are formed.
Vehicle according to the invention, this vehicle due to the cause of above-mentioned improvement vehicle frame 100, thus is provided with the fuel tank safety of improvement, and particularly in vehicle rear-end collision or rear process of colliding, the safety of fuel tank 400 is greatly improved.
As shown in fig. 1, crossbeam 106 is separated with between endergonic structure fuel tank 400 and longeron 200 formed.
In the vehicle of above-mentioned such as automobile; except the longitudinal and cross beam protection fuel tank around the fuel tank relying on vehicle; the energy produced in the process of such as rear-end collision or rear collision can absorb primarily of the hindfoot portion of car longeron; the fuel tank of automobile can be arranged away from this hindfoot portion; thus the distortion of longeron can not be delivered near fuel tank; the installing space of fuel tank can not be compressed, thus improves the safety of fuel tank on the whole.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.

Claims (6)

1. for a longeron for vehicle frame, it is characterized in that, comprising:
Longeron body, described longeron body has front-end and back-end, described longeron body be provided with multiple endergonic structure from described rear end towards the hindfoot portion of described front end definite length extended, the spacing in wherein said multiple endergonic structure between arbitrary neighborhood two described endergonic structures is successively decreased according to from described rear end towards the direction of described front end;
Described endergonic structure is energy-absorbing groove, and described energy-absorbing groove is formed at least one in the lateral surface of section part in the rear and medial surface;
Alternately change in the degree of depth of the multiple described energy-absorbing groove of the same side of described longeron body; Or the degree of depth of the multiple described energy-absorbing groove in the same side of described longeron body according to the distance of each described energy-absorbing groove and described rear end be negative correlation change.
2. the longeron for vehicle frame according to claim 1, it is characterized in that, the whole thickness of the through along the vertical direction described longeron body of described energy-absorbing groove, each in the lateral surface of described hindfoot portion and medial surface is equipped with multiple described energy-absorbing groove, and the multiple described energy-absorbing groove on described lateral surface and the multiple described energy-absorbing groove on described medial surface are interspersed in the longitudinal direction of described longeron body.
3. the longeron for vehicle frame according to claim 1, is characterized in that, the degree of depth of described energy-absorbing groove is 4-6 millimeter, and the distance between adjacent described energy-absorbing groove is greater than 100 millimeters.
4. the longeron for vehicle frame according to claim 3, it is characterized in that, each in the lateral surface of described hindfoot portion and medial surface is equipped with three described energy-absorbing grooves, energy-absorbing groove nearest apart from described rear end in described three energy-absorbing grooves and the distance between the energy-absorbing groove of centre are greater than 200 millimeters, and the energy-absorbing groove farthest of rear end described in described three energy-absorbing groove middle distances and the distance between the energy-absorbing groove of centre are not more than 150 millimeters.
5. for a vehicle frame for vehicle, it is characterized in that, comprising:
Two longerons, described two longerons are spaced apart from each other, and described longeron is the longeron for vehicle frame according to any one of claim 1-4; And
Multiple crossbeam, described multiple crossbeam is located between described longeron respectively and fore-and-aft direction along described longeron body is spaced apart, and the first end of each described crossbeam is fixedly connected with described two longerons respectively with the second end.
6. a vehicle, is characterized in that, comprising:
Vehicle frame, described vehicle frame is the vehicle frame for vehicle according to claim 5; And
Fuel tank, described fuel tank is arranged on described vehicle frame, and described fuel tank is separately fixed between two adjacent described crossbeams and is fixed on in described longeron, wherein
Described vehicle frame is provided with at least one crossbeam between described fuel tank and the described endergonic structure of described longeron.
CN201310156117.4A 2013-04-28 2013-04-28 For the longeron of vehicle frame, vehicle frame and the vehicle with it Active CN103213620B (en)

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CN103213620B true CN103213620B (en) 2015-11-18

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CN200957836Y (en) * 2006-10-23 2007-10-10 重庆长安汽车股份有限公司 Step-by-step energy-absorbing rear-collision longitudinal beam structure of car
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CN202624382U (en) * 2012-04-28 2012-12-26 浙江吉利汽车研究院有限公司杭州分公司 Rear longitudinal beam of automobile body

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309636A1 (en) * 2003-03-04 2004-09-23 Audi Ag Body support for motor vehicle has transverse groove extending over whole width of first outer surface, and at least one additional transverse groove located on second outer surface opposite first
CN1651278A (en) * 2004-02-02 2005-08-10 丰田自动车株式会社 Vehicle underbody structure
CN200957836Y (en) * 2006-10-23 2007-10-10 重庆长安汽车股份有限公司 Step-by-step energy-absorbing rear-collision longitudinal beam structure of car
CN201437374U (en) * 2009-05-19 2010-04-14 上海华普汽车有限公司 Automobile frame
CN202624382U (en) * 2012-04-28 2012-12-26 浙江吉利汽车研究院有限公司杭州分公司 Rear longitudinal beam of automobile body

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