CN104149725A - Front automobile collision transverse beam energy absorbing box - Google Patents
Front automobile collision transverse beam energy absorbing box Download PDFInfo
- Publication number
- CN104149725A CN104149725A CN201410420099.0A CN201410420099A CN104149725A CN 104149725 A CN104149725 A CN 104149725A CN 201410420099 A CN201410420099 A CN 201410420099A CN 104149725 A CN104149725 A CN 104149725A
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- Prior art keywords
- energy
- welding
- energy absorbing
- half bodies
- halfbody
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- 238000003466 welding Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 51
- 210000002435 tendon Anatomy 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 abstract 2
- 239000011324 bead Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a front automobile collision transverse beam energy absorbing box. The energy absorbing box is formed by oppositely buckling two symmetrical half bodies in the shape of '['. The upper edges of the two half bodies are provided with upper welding folded edges arranged vertically upwards. The lower edges of the two half bodies are provided with lower welding folded edges arranged vertically downwards. The energy absorbing box is formed by bonding and welding the two half bodies through the upper welding folded edges and the lower welding folded edges. The energy absorbing box is characterized in that the edges of the front ends of the half bodies are provided with outer folded edges, the upper ends and the lower ends of the outer folded edges are provided beading weld nuts, and the back ends of the half bodies are provided with front longitudinal beam connecting parts provided with bead welding nuts; the middles of the half bodies are provided with strengthening protruding ribs transversely extending, and the upper portions and the lower portions of the half bodies are provided with longitudinal energy absorbing grooves extending to the edges of the half bodies from the strengthening protruding ribs; the lower welding folded edges of the half bodies are provided with leakage liquid grooves. According to the energy absorbing box, the accumulative error can be reduced, installing precision of the energy absorbing box can be guaranteed, and the requirement for the strength of the energy absorbing box when a whole automobile collides from the front can be met.
Description
Technical field
The present invention relates to automotive body structure, be specifically related to a kind of automotive front collision beam energy-absorption box.
Background technology
At present automotive front collision beam energy-absorption box structure mainly be take square or tubular box body structure as main, by two U-shapeds, rush welding manipulator and be welded together to form square box like structure energy-absorption box assembly, a connecting panel is respectively welded at assembly front portion and rear portion, by connecting panel, is connected with anti-collision beam and front side member.As the disclosed a kind of vehicle energy absorption box of CN 103909888 A, this vehicle energy absorption box comprises tubular energy-absorption box body, described energy-absorption box body one end is provided with the front mounting plate, the other end that are connected with automobile buffer beam and is provided with the rear adapter plate being connected with automobile longitudinal girder, on described energy-absorption box body sidewall, has the crumple groove caving inward.And for example CN 201566701U discloses a kind of front anti-collision beam energy absorbing box, it comprises U-shaped box body, U-shaped box wall is provided with crumple guiding rib, U-shaped box body one end connection plate, the U-shaped box body other end is established the connecting panel with front anti-collision beam beam welding, it is dull and stereotyped that the open side of U-shaped box body connects energy-absorption box, and the dull and stereotyped wall of energy-absorption box is provided with crumple guiding rib.A kind of energy-absorption box as shown in Figure 6 again, symmetrical " ［ " shape halfbody fastens and forms this energy-absorption box 1 relatively by two, in the upper edge of two halfbodies, be equipped with upper welding flange straight up, in the lower edge of two halfbodies, be equipped with lower welding flange straight down, two halfbodies form energy-absorption box body by upper and lower welding flange laminating welding; In one end of energy-absorption box 1, be connected with and prevent cross-beam connecting plate 2 and front side member connecting panel 3.
There is following problem in aforementioned this type of vehicle energy absorption box structure: (1) its part is too much, this type of energy-absorption box not only has energy-absorption box body, also at the two ends of energy-absorption box, be connected with adapter plate or connecting panel, four above parts have been generally included, such structure is easy to cause produce when welding error accumulation, be difficult for guaranteeing the setting accuracy of energy-absorption box, and cost is also higher; (2) although this class formation has solved pedestrian's collision energy-absorbing problem under lower-speed state by the mode of energy-absorbing groove is set, but its energy-absorption box body side mostly is plate armature, at the upper energy-absorption box of directions X (bodywork length direction), do not strengthen structure, when energy-absorption box undercapacity easily causes central collision, Vehicular body front deflection is excessive.
Summary of the invention
The object of the present invention is to provide a kind of automotive front collision beam energy-absorption box, it can reduce the accumulated error of energy-absorption box, guarantee the setting accuracy of energy-absorption box, requirement of strength to energy-absorption box in the time of simultaneously can meeting car load head-on crash, the excessive problem of Vehicular body front deflection during the central collision of avoiding causing due to energy-absorption box undercapacity.
By two symmetrical being, " halfbody of ［ " shape fastens and forms automotive front collision beam energy-absorption box of the present invention relatively, in the upper edge of two halfbodies, be equipped with upper welding flange straight up, in the lower edge of two halfbodies, be equipped with lower welding flange straight down, two halfbodies form energy-absorption box body by upper and lower welding flange laminating welding; It is characterized in that: in halfbody front end edge, along being provided with flanging, at the two ends up and down of flanging, be provided with project-welding nut, in the rear end of halfbody, be provided with front side member connecting portion, this front side member connecting portion is provided with project-welding nut; At halfbody middle part, be provided with the reinforcement convex tendon of horizontal expansion, the upper and lower of halfbody is equipped with the energy-absorbing groove that is extended to longitudinally halfbody edge by reinforcement convex tendon; On the lower welding flange of described halfbody, be provided with liquid leakage tank.
Described energy-absorption box is fitted by the side of the flanging on halfbody and front anti-collision beam, and is fixed and is connected with project-welding nut with bolt; Described front side member connecting portion inserts in one end of front side member, and is fixed and is connected with project-welding nut with bolt.
The present invention has the following advantages: (1) is by two halfbodies energy-absorption box that is welded, the flanging being provided with along self with halfbody front end edge has substituted original independently front anti-collision beam connecting panel and has been connected with front anti-collision beam, the front side member connecting portion being provided with by self with halfbody rear end has substituted original independently front side member connecting panel and has been connected with front side member, reduced to greatest extent part number, energy-absorption box accumulated error and mounting structure have been simplified, guaranteed the setting accuracy of energy-absorption box, and simplify the structure, easy for installation, easy to manufacture, reduced cost.
(2) halfbody middle part is provided with the reinforcement convex tendon of horizontal expansion, this reinforcement convex tendon has played booster action to directions X, it is corresponding with the cruciform construction of energy-absorbing groove formation longitudinally and the cruciform construction of front side member, in car body collision deformation process, can effectively mutually support, greatly improve the intensity of Vehicular body front.
(3) by the energy-absorbing groove on the halfbody of energy-absorption box, the effective absorption to collision energy in the time of can meeting low speed collision, protects pedestrian better, and the structure that the energy-absorbing effect of its central collision adopts than prior art at least improves more than 20%.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of halfbody in the present invention;
Fig. 2 is the schematic diagram of energy-absorption box;
Fig. 3 is A-A cutaway view in Fig. 2;
Fig. 4 is the scheme of installation of energy-absorption box;
Fig. 5 is B-B cutaway view in Fig. 4;
Fig. 6 is the schematic diagram of existing a kind of energy-absorption box.
In figure: the former energy-absorption box of 1-, the former crashproof cross-beam connecting plate of 2-, the former front side member connecting panel of 3-, 4-energy-absorption box, 5-front side member, anti-collision beam before 6-, 7-halfbody, the upper welding of 71-flange, 72-flanging, 73-energy-absorbing groove, 74-strengthens convex tendon, 75-liquid leakage tank, 76-project-welding nut, 77-front side member connecting portion, welds flange under 78-, 8-bolt.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Fig. 1 ~ Fig. 5, by two symmetrical being, " halfbody of ［ " shape fastens and forms automotive front collision beam energy-absorption box of the present invention relatively, in the upper edge of two halfbodies, be equipped with upper welding flange 71 straight up, 78, two halfbodies of lower welding flange that are equipped with in the lower edge of two halfbodies straight down form energy-absorption box body by upper and lower welding flange laminating welding; It is characterized in that: in halfbody 7 front end edge, along being provided with flanging 72, at the two ends up and down of flanging, be provided with project-welding nut 76, in the rear end of halfbody, be provided with front side member connecting portion 77, this front side member connecting portion 77 is provided with project-welding nut 76; At halfbody 7 middle parts, be provided with the reinforcement convex tendon 74 of horizontal expansion, the upper and lower of halfbody is equipped with the energy-absorbing groove 73 that is extended to longitudinally halfbody edge by reinforcement convex tendon, to control the compression degeneration direction of energy-absorption box when low speed collision, make the axial conquassation distortion of energy-absorption box, absorb to greatest extent energy, reduce the destruction of car body itself and the injury to pedestrian.
The lower welding flange 78 of described halfbody 7 is provided with liquid leakage tank 75, to meet the needs of application leakage, improves part antiseptic property.
Described energy-absorption box 4 is fitted by the flanging 72 on halfbody and the side of front anti-collision beam 6, and is fixed and is connected with project-welding nut 76 with bolt 8; Described front side member connecting portion 77 inserts in one end of front side member 5, and is fixed and is connected with project-welding nut 76 with bolt 8.
Claims (2)
1. an automotive front collision beam energy-absorption box, by two symmetrical being, " halfbody of ［ " shape (7) fastens and forms this energy-absorption box (4) relatively, in the upper edge of two halfbodies, be equipped with upper welding flange (71) straight up, in the lower edge of two halfbodies, be equipped with lower welding flange (78) straight down, two halfbodies form energy-absorption box body by upper and lower welding flange laminating welding; It is characterized in that: on halfbody (7) front end edge edge, be provided with flanging (72), at the two ends up and down of flanging, be provided with project-welding nut (76), in the rear end of halfbody, be provided with front side member connecting portion (77), this front side member connecting portion (77) is provided with project-welding nut (76); At halfbody (7) middle part, be provided with the reinforcement convex tendon (74) of horizontal expansion, the upper and lower of halfbody is equipped with the energy-absorbing groove (73) that is extended to longitudinally halfbody edge by reinforcement convex tendon; On the lower welding flange (78) of described halfbody (7), be provided with liquid leakage tank (75).
2. a kind of automotive front collision beam energy-absorption box according to claim 1, is characterized in that: described energy-absorption box (4) is the side laminating with front anti-collision beam (6) by the flanging on halfbody (72), and is fixed and is connected with project-welding nut with bolt; Described front side member connecting portion (77) inserts in one end of front side member (5), and is fixed and is connected with project-welding nut with bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410420099.0A CN104149725A (en) | 2014-08-25 | 2014-08-25 | Front automobile collision transverse beam energy absorbing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410420099.0A CN104149725A (en) | 2014-08-25 | 2014-08-25 | Front automobile collision transverse beam energy absorbing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104149725A true CN104149725A (en) | 2014-11-19 |
Family
ID=51875422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410420099.0A Pending CN104149725A (en) | 2014-08-25 | 2014-08-25 | Front automobile collision transverse beam energy absorbing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104149725A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114629A (en) * | 2016-08-03 | 2016-11-16 | 北京长安汽车工程技术研究有限责任公司 | A kind of front longitudinal for body of a motor car |
| JP2018138450A (en) * | 2017-02-24 | 2018-09-06 | トヨタ自動車株式会社 | Side member tip structure |
| CN111661158A (en) * | 2020-06-09 | 2020-09-15 | 安徽江淮汽车集团股份有限公司 | Longitudinal beam structure and automobile |
| CN112319411A (en) * | 2020-10-14 | 2021-02-05 | 奇瑞汽车股份有限公司 | Front offset collision energy absorption structure of automobile |
| CN115196210A (en) * | 2022-07-25 | 2022-10-18 | 上海寰宇物流科技有限公司 | High-speed collision-resistant container caster and main body structure thereof |
| CN115782798A (en) * | 2022-11-25 | 2023-03-14 | 重庆长安汽车股份有限公司 | Front collision beam and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1669248A2 (en) * | 2004-12-13 | 2006-06-14 | Benteler Automobiltechnik GmbH | Bumper arrangement for a motor vehicle |
| CN101402340A (en) * | 2007-10-01 | 2009-04-08 | 马自达汽车株式会社 | Vehicle structure for automobile |
| CN101428596A (en) * | 2007-11-05 | 2009-05-13 | 丰田铁工株式会社 | Impact absorbing member for vehicle |
| CN101676165A (en) * | 2008-09-18 | 2010-03-24 | 马自达汽车株式会社 | Vehicle body structure |
| CN102975676A (en) * | 2011-09-02 | 2013-03-20 | 通用汽车环球科技运作有限责任公司 | Motor vehicle with crashbox |
| DE202013105974U1 (en) * | 2013-10-30 | 2014-03-12 | Beiqi Foton Motor Co., Ltd. | Bumper bar assembly and motor vehicle with such a bumper support assembly |
| WO2014042211A1 (en) * | 2012-09-13 | 2014-03-20 | 本田技研工業株式会社 | Structure for front part of body of automobile |
-
2014
- 2014-08-25 CN CN201410420099.0A patent/CN104149725A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1669248A2 (en) * | 2004-12-13 | 2006-06-14 | Benteler Automobiltechnik GmbH | Bumper arrangement for a motor vehicle |
| CN101402340A (en) * | 2007-10-01 | 2009-04-08 | 马自达汽车株式会社 | Vehicle structure for automobile |
| CN101428596A (en) * | 2007-11-05 | 2009-05-13 | 丰田铁工株式会社 | Impact absorbing member for vehicle |
| CN101676165A (en) * | 2008-09-18 | 2010-03-24 | 马自达汽车株式会社 | Vehicle body structure |
| CN102975676A (en) * | 2011-09-02 | 2013-03-20 | 通用汽车环球科技运作有限责任公司 | Motor vehicle with crashbox |
| WO2014042211A1 (en) * | 2012-09-13 | 2014-03-20 | 本田技研工業株式会社 | Structure for front part of body of automobile |
| DE202013105974U1 (en) * | 2013-10-30 | 2014-03-12 | Beiqi Foton Motor Co., Ltd. | Bumper bar assembly and motor vehicle with such a bumper support assembly |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114629A (en) * | 2016-08-03 | 2016-11-16 | 北京长安汽车工程技术研究有限责任公司 | A kind of front longitudinal for body of a motor car |
| JP2018138450A (en) * | 2017-02-24 | 2018-09-06 | トヨタ自動車株式会社 | Side member tip structure |
| CN111661158A (en) * | 2020-06-09 | 2020-09-15 | 安徽江淮汽车集团股份有限公司 | Longitudinal beam structure and automobile |
| CN112319411A (en) * | 2020-10-14 | 2021-02-05 | 奇瑞汽车股份有限公司 | Front offset collision energy absorption structure of automobile |
| CN115196210A (en) * | 2022-07-25 | 2022-10-18 | 上海寰宇物流科技有限公司 | High-speed collision-resistant container caster and main body structure thereof |
| CN115196210B (en) * | 2022-07-25 | 2024-05-10 | 上海寰宇物流科技有限公司 | Container castor capable of resisting high-speed collision and main body structure thereof |
| CN115782798A (en) * | 2022-11-25 | 2023-03-14 | 重庆长安汽车股份有限公司 | Front collision beam and manufacturing method thereof |
| CN115782798B (en) * | 2022-11-25 | 2024-05-10 | 重庆长安汽车股份有限公司 | Front collision beam and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141119 |
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| RJ01 | Rejection of invention patent application after publication |