CN103723100A - Automobile anti-collision box and automobile anti-collision structure - Google Patents

Automobile anti-collision box and automobile anti-collision structure Download PDF

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Publication number
CN103723100A
CN103723100A CN201310749659.2A CN201310749659A CN103723100A CN 103723100 A CN103723100 A CN 103723100A CN 201310749659 A CN201310749659 A CN 201310749659A CN 103723100 A CN103723100 A CN 103723100A
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China
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collision
box body
box
automobile
collision preventing
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CN201310749659.2A
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CN103723100B (en
Inventor
孟令洲
徐磊
张清芳
赵海兵
宋红双
张康
孙术富
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Abstract

The invention discloses an automobile anti-collision box and an automobile anti-collision structure to solve the problems that in the prior art, an anti-collision box is prone to being compressed and out of operation, the compressed direction cannot be effectively controlled and it is hard to resist that wheels move backwards, and relates to the technical field of automobile anti-collision protection devices. The automobile anti-collision box comprises an anti-collision box body which is of a hollow box body structure, and the upper surface of the anti-collision box body is of a step-shaped structure. The automobile anti-collision box is used for automobile frame longitudinal beams.

Description

A kind of automobile collision preventing box and automobile collision preventing structure
Technical field
The present invention relates to automobile anti-collision protective device technical field, relate in particular to a kind of automobile collision preventing box and automobile collision preventing structure.
Background technology
Chassis side rail is comprised of leading portion, stage casing, back segment three parts; and car load key preservation area when increase place of front section of vehicle frame Y-direction size is collision; the collision protection structure of prior art is welded in chassis side rail both sides; anti-collision box upper and lower plates structure, integral structure is long and narrow, and easily unbalance stress and stock utilization are low; collision energy-absorbing weak effect; a little less than moving ability after opposing wheel, operator's compartment intrusion amount is alleviated to DeGrain, not enough to driver safety protection.During collision happens, the easy conquassation of anti-collision box was lost efficacy, and after can not effectively controlling conquassation direction and resisting wheel, moved, and cabin part is increased operator's compartment intrusion amount, reduced the crash survivability of car load.
Summary of the invention
Embodiments of the invention provide a kind of automobile collision preventing box and automobile collision preventing structure, to improve anti-collision box intensity and anti-collision capacity, thus the crash survivability of lifting car load.
For achieving the above object, embodiments of the invention adopt following technical scheme:
An automobile collision preventing box, comprises anti-collision box body, the box body structure that described anti-collision box body is hollow, and the upper surface of described anti-collision box body is step-like structure.
Further, described step-like structure comprises First terrace and second step face, between described First terrace and second step face, by the joint face being obliquely installed, connects.
Further, the diff-H of described First terrace and second step face is 20~50 millimeters, and the angle of described joint face and described First terrace is 120 degree~150 degree.
Further, described anti-collision box body comprises the first side and the second side being oppositely arranged, described the first side is for being connected with chassis side rail, described the second side is provided with reinforcement structure, the box body structure that described reinforcement structure is hollow, the intracavity inter-connection of the inner chamber of described reinforcement structure and described anti-collision box body.
Further, described reinforcement structure comprises upper strengthen box and the lower strengthen box of mutual fastening, and the sidewall of described upper strengthen box and lower strengthen box is mutually overlapping, and the sidewall of described lower strengthen box is positioned at the interior of described upper strengthen box.
Further, the upper surface perpendicular to anti-collision box body on described anti-collision box body offers body mount mounting hole, and on described the second side, the part corresponding with described body mount position of mounting hole is circular arc transition face structure.
Further, the thickness of described anti-collision box body is 70~90 millimeters, and the length of described anti-collision box body is 230~250 millimeters, and the width summation of described anti-collision box body and described reinforcement structure is 200~300 millimeters.
Further, described anti-collision box body comprises upper cartridge body and the lower box body of mutual fastening, the sidewall of described upper cartridge body and lower box body is mutually overlapping, the sidewall of described upper cartridge body is positioned at the interior of described lower box body, described reinforcement structure is arranged at described upper cartridge body one side, the lower surface of described lower box body stretches out and is provided with connecting portion, and described connecting portion adapts along the length direction setting of described anti-collision box body and the length of its length and described anti-collision box body.
The embodiment of the present invention also provides a kind of automobile collision preventing structure, comprises chassis side rail, and described chassis side rail comprises girder plate, and the outside of described girder plate is provided with the automobile collision preventing box as described in above-mentioned arbitrary technical scheme.
Further, described automobile collision preventing box is two, is welded in respectively two described chassis side rail leading portion bending part outsides, and described chassis side rail leading portion bending part is the part of chassis side rail between automobile the 3rd crossbeam and the 4th crossbeam.
The automobile collision preventing box that the embodiment of the present invention provides; due to the anti-collision box body box body structure that is hollow; and the upper surface of anti-collision box body is step-like structure; therefore, can effectively the impact of automobile fore-and-aft direction be decomposed longitudinally by step-like structure, damping bouncing force in collision is in the transmission of fore-and-aft direction to greatest extent; during collision, can effectively play the effect of collision energy-absorbing; resist wheel to greatest extent when collision after, move, avoid moving behind the anterior cabin of wheel protection chaufeur and passenger safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention automobile collision preventing box;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the structural representation of embodiment of the present invention automobile collision preventing structure;
Fig. 5 is the birds-eye view of embodiment of the present invention automobile collision preventing structure.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present invention automobile collision preventing box and automobile collision preventing structure are described in detail.
In description of the invention, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as limitation of the present invention.
Term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can particular case understand above-mentioned term concrete meaning in the present invention.
With reference to Fig. 1, Fig. 1 is a specific embodiment of automobile collision preventing box in the embodiment of the present invention, and the box of automobile collision preventing described in the present embodiment, comprises anti-collision box body 1, the box body structure that described anti-collision box body 1 is hollow, the upper surface of described anti-collision box body 1 is step-like structure.
The automobile collision preventing box that the embodiment of the present invention provides; due to anti-collision box body 1 box body structure that is hollow; and the upper surface of anti-collision box body 1 is step-like structure; therefore, can effectively the impact of automobile fore-and-aft direction be decomposed longitudinally by step-like structure, damping bouncing force in collision is in the transmission of fore-and-aft direction to greatest extent; during collision, can effectively play the effect of collision energy-absorbing; resist wheel to greatest extent when collision after, move, avoid moving behind the anterior cabin of wheel protection chaufeur and passenger safety.
Preferably, described step-like structure comprises First terrace 101 and second step face 102, between described First terrace 101 and second step face 102, by joint face 103 transition that are obliquely installed, connects.Thus, when automobile is subject to the impact in the place ahead, second step face 102 is passed through in the transmission of impact successively, joint face 103, after First terrace 101, pass to vehicle body, wherein, because joint face 103 is for being obliquely installed, therefore joint face 103 can be decomposed into a part of impact along joint face 103 and transmit in the process of crumple, thus, can effectively control conquassation direction by the angle of inclination of control linkage face 103, thereby can in absorbing forces of impact, transform the direction of transfer of a part of impact force, further weakened the transmission of impact at fore-and-aft direction, avoided moving behind the anterior cabin of wheel, protection chaufeur and passenger safety.
Particularly, described First terrace 101 and second step face 102 diff-H are vertically 20~50 millimeters, and described joint face 103 is 120 degree~150 degree with the angle of described First terrace 101.The size value that step-like structure is got within the scope of this is optimal value, can effectively control conquassation direction, makes energy-absorbing effect better, and damping bouncing force in collision is in the transmission of fore-and-aft direction to greatest extent.
With reference to Fig. 2, in order to increase the area of thrust surface of automobile collision preventing box, preferably use following structure: described anti-collision box body 1 comprises the first side 11 and the second side 12 being oppositely arranged, described the first side 11 is for being connected with chassis side rail, described the second side 12 is provided with strengthens structure 2, the box body structure that described reinforcement structure 2 is hollow, the intracavity inter-connection of the inner chamber of described reinforcement structure 2 and described anti-collision box body 1.Because the side at anti-collision box body 1 is provided with the reinforcement structure 2 of hollow form box body, therefore can increase the area of thrust surface of automobile collision preventing box, the ability to bear of automobile collision preventing box is strengthened, strengthen the inner chamber of structure 2 and the intracavity inter-connection of described anti-collision box body 1, make crumple energy-absorbing effect better.
Preferably, described reinforcement structure 2 can be selected structure as shown in Figure 1: the upper strengthen box 21 and the lower strengthen box 22 that comprise mutual fastening, the sidewall of described upper strengthen box 21 and lower strengthen box 22 is mutually overlapping, and the sidewall of described lower strengthen box 22 is positioned at the interior of described upper strengthen box 21.The structure that in employing, strengthen box 21 and lower strengthen box 22 fastens mutually, is easy to use welding process, and simple in structure after seam, and productive costs is low.
With reference to Fig. 2, Fig. 3, in order to make automobile collision preventing box support attachment point as vehicle body second simultaneously, can on described anti-collision box body 1, perpendicular to the upper surface of anti-collision box body 1, offer body mount mounting hole 13, during installation, body mount can be arranged through body mount mounting hole 13, thus, played the supporting role of reinforcing vehicle body, made to drive more stable.
For the power of the fore-and-aft direction that automobile collision preventing box bears is further decomposed, preferably on described the second side 12, the part corresponding with described body mount mounting hole 13 positions is set to circular arc transition face structure 14.It is tangential that the fore-and-aft direction displacement force that this structure can produce collision resolves into circular arc, the decomposition of exerting all one's strength, and make anti-collision box along the outside conquassation of arc radius, power is directly direction transmission forwards, backwards not, thereby, during collision, can effectively play the effect of collision energy-absorbing.
In order further to increase the area of thrust surface of automobile collision preventing box in efficient range, preferably adopt following scantling of structure: the thickness of described anti-collision box body 1 is 70~90 millimeters, the length of described anti-collision box body 1 is 230~250 millimeters, and anti-collision box body 1 is 200~300 millimeters with the width summation of strengthening structure 2.Thus, when further having increased the area of thrust surface of automobile collision preventing box, make the integral structure size of automobile collision preventing box more reasonable, stressed more even, stock utilization is higher.Avoided due to the long and narrow easy unbalance stress causing of automobile collision preventing box integral structure and stock utilization is low, the problem of collision energy-absorbing weak effect.
With reference to Fig. 1, for convenient processing, can use upper cartridge body 110 and the lower box body 120 of mutual fastening to make anti-collision box body 1, upper cartridge body 110 and lower box body 120 all can be made as to the box body shape structure of an end opening, and the opening inwall size of lower box body 120 is made as with the size of upper cartridge body 110 opening outer walls and is adapted, then the sidewall of described upper cartridge body 110 is equipped with in the interior of described lower box body 120, this structure is easy to use welding process, and simple in structure after seam, productive costs is low, avoid the complicated shaped structure of integral type or upper and lower board-like anti-collision box assembly.
In order to make collision energy-absorbing effect better, preferably described reinforcement structure is arranged to described upper cartridge body 110 1 sides, because impact force is most of, near upper cartridge body 110, transmit, therefore, reinforcement structure 2 is arranged to described upper cartridge body 110 1 sides, can make impact force more easily be reinforced structure 2 and absorb, make collision energy-absorbing effect better.
With reference to Fig. 2, Fig. 3, in order to make anti-collision box more firm with being connected of chassis side rail.Can to the direction perpendicular to the first side 11, extend connecting portion 111 is set at the lower surface of anti-collision box body 1, and connecting portion 111 adapts along the length direction setting of described anti-collision box body 1 and the length of its length and described anti-collision box body 1, thus, after automobile collision preventing box conformal is welded on girder plate, connecting portion 111 integral body can be welded with chassis side rail, can be by the rear and front end full weld of connecting portion 111 in longeron, thus Joint strenght improved, strengthen anticollision effect.
With reference to Fig. 4, the embodiment of the present invention also provides a kind of automobile collision preventing structure, comprises chassis side rail 3, and described chassis side rail 3 comprises girder plate 31, and the outside of described girder plate 31 is provided with the automobile collision preventing box as described in above-mentioned arbitrary embodiment.
The automobile collision preventing box providing in each embodiment due to the automobile collision preventing box using in the automobile collision preventing structure at the present embodiment and above-mentioned automobile collision preventing box is identical, so the two can solve identical technical matters, and reaches identical Expected Results.
As shown in Figure 5, in order to make the chassis side rail of automobile both sides all can reach the effect of anti-collision energy absorption, can be set to two by described automobile collision preventing box, be welded in respectively two described chassis side rail 3 leading portion bending part outsides, chassis side rail leading portion bending part is the part of chassis side rail 3 between automobile the 3rd crossbeam 4 and the 4th crossbeam 5, during connection, anti-collision box body 1 can be welded on girder plate 31 to the then lower surface welding with chassis side rail 3 by the connecting portion on lower box body 120 111 by described the first side conformal.Thus, can make the chassis side rail of automobile both sides all can reach the effect of anti-collision energy absorption, and welded structure is more firm, crashproof better effects if.
In the description of this specification sheets, specific features, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.

Claims (10)

1. an automobile collision preventing box, is characterized in that, comprises anti-collision box body, the box body structure that described anti-collision box body is hollow, and the upper surface of described anti-collision box body is step-like structure.
2. automobile collision preventing box according to claim 1, is characterized in that: described step-like structure comprises First terrace and second step face, between described First terrace and second step face, by the joint face being obliquely installed, connects.
3. automobile collision preventing box according to claim 2, is characterized in that: the diff-H of described First terrace and second step face is 20~50 millimeters, and the angle of described joint face and described First terrace is 120 degree~150 degree.
4. automobile collision preventing box according to claim 1, it is characterized in that: described anti-collision box body comprises the first side and the second side being oppositely arranged, described the first side is for being connected with chassis side rail, described the second side is provided with reinforcement structure, the box body structure that described reinforcement structure is hollow, the intracavity inter-connection of the inner chamber of described reinforcement structure and described anti-collision box body.
5. automobile collision preventing box according to claim 4, it is characterized in that: described reinforcement structure comprises upper strengthen box and the lower strengthen box of mutual fastening, the sidewall of described upper strengthen box and lower strengthen box is mutually overlapping, and the sidewall of described lower strengthen box is positioned at the interior of described upper strengthen box.
6. automobile collision preventing box according to claim 4, it is characterized in that: the upper surface perpendicular to anti-collision box body on described anti-collision box body offers body mount mounting hole, on described the second side, the part corresponding with described body mount position of mounting hole is circular arc transition face structure.
7. automobile collision preventing box according to claim 4, it is characterized in that: the thickness of described anti-collision box body is 70~90 millimeters, the length of described anti-collision box body is 230~250 millimeters, and the width summation of described anti-collision box body and described reinforcement structure is 200~300 millimeters.
8. automobile collision preventing box according to claim 1, it is characterized in that: described anti-collision box body comprises upper cartridge body and the lower box body of mutual fastening, the sidewall of described upper cartridge body and lower box body is mutually overlapping, the sidewall of described upper cartridge body is positioned at the interior of described lower box body, described reinforcement structure is arranged at described upper cartridge body one side, the lower surface of described lower box body stretches out and is provided with connecting portion, and described connecting portion adapts along the length direction setting of described anti-collision box body and the length of its length and described anti-collision box body.
9. an automobile collision preventing structure, comprises chassis side rail, and described chassis side rail comprises girder plate, it is characterized in that, the outside of described girder plate is provided with the automobile collision preventing box as described in claim 1~9.
10. automobile collision preventing structure according to claim 9, it is characterized in that: described automobile collision preventing box is two, be welded in respectively two described chassis side rail leading portion bending part outsides, described chassis side rail leading portion bending part is the part of chassis side rail between automobile the 3rd crossbeam and the 4th crossbeam.
CN201310749659.2A 2013-12-30 2013-12-30 Automobile anti-collision box and automobile anti-collision structure Active CN103723100B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006137408A (en) * 2004-10-13 2006-06-01 Nissan Motor Co Ltd Body frame structure for automotive vehicle
JP2009234377A (en) * 2008-03-26 2009-10-15 Suzuki Motor Corp Vehicle crash box and vehicle front-body structure
CN101712305A (en) * 2009-12-17 2010-05-26 奇瑞汽车股份有限公司 Vehicle energy absorption box
CN202389463U (en) * 2011-11-18 2012-08-22 厦门金龙联合汽车工业有限公司 Direct impact crumpling mechanism for bus
CN202863353U (en) * 2012-07-31 2013-04-10 长城汽车股份有限公司 Anti-collision beam structure of automobile
CN203005325U (en) * 2012-11-20 2013-06-19 东风汽车公司 Automobile rear fog lamp protection and energy-absorption structure
CN103231738A (en) * 2013-04-28 2013-08-07 长城汽车股份有限公司 Automobile frame for automobile and automobile with same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006137408A (en) * 2004-10-13 2006-06-01 Nissan Motor Co Ltd Body frame structure for automotive vehicle
JP2009234377A (en) * 2008-03-26 2009-10-15 Suzuki Motor Corp Vehicle crash box and vehicle front-body structure
CN101712305A (en) * 2009-12-17 2010-05-26 奇瑞汽车股份有限公司 Vehicle energy absorption box
CN202389463U (en) * 2011-11-18 2012-08-22 厦门金龙联合汽车工业有限公司 Direct impact crumpling mechanism for bus
CN202863353U (en) * 2012-07-31 2013-04-10 长城汽车股份有限公司 Anti-collision beam structure of automobile
CN203005325U (en) * 2012-11-20 2013-06-19 东风汽车公司 Automobile rear fog lamp protection and energy-absorption structure
CN103231738A (en) * 2013-04-28 2013-08-07 长城汽车股份有限公司 Automobile frame for automobile and automobile with same

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