CN201849433U - Crash box structure capable of giving consideration to crash energy absorption and residual deformation for crash beam of automobile - Google Patents
Crash box structure capable of giving consideration to crash energy absorption and residual deformation for crash beam of automobile Download PDFInfo
- Publication number
- CN201849433U CN201849433U CN201020567277XU CN201020567277U CN201849433U CN 201849433 U CN201849433 U CN 201849433U CN 201020567277X U CN201020567277X U CN 201020567277XU CN 201020567277 U CN201020567277 U CN 201020567277U CN 201849433 U CN201849433 U CN 201849433U
- Authority
- CN
- China
- Prior art keywords
- energy
- absorbing box
- crash
- absorbing
- guiding tendon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a crash box structure capable of giving consideration to crash energy absorption and residual deformation for a crash beam of an automobile, which is used for solving the problem of energy absorption of a front crash beam. The crash box structure comprises a beam and crash boxes which are symmetrically arranged on both sides of the beam. After being improved, each crash box is provided with convex guide ribs and concave guide ribs which are distributed regularly; the convex guide ribs and the concave guide ribs are arranged alternatively on each side wall of each crash box; the convex guide ribs and the concave guide ribs on two opposite side walls of each crash box are arranged at corresponding positions; and the convex guide ribs and the concave guide ribs are arranged at corresponding positions on two adjacent side walls of each crash box. Due to optimized design of the arrangement of the guide ribs on the crash boxes, the regularly-distributed guide ribs are squashed in turn in an S shape to absorb energy in case of collision of the front crash beam of the automobile, the energy absorption is met, the heights of the deformed crash boxes are overlaid and supported effectively, and residual deformation after squash of the crash boxes is ensured. Computer aided engineering (CAE) analysis and tests indicate that the crash box deformation mode is basically matched with an expected design.
Description
Technical field
The utility model relates to a kind of Vehicular device, particularly is applicable to various C-classs, can effectively controls the front anti-collision beam energy-absorbing box structure of energy-absorbing and residual deformation, belongs to automobile technical field.
Background technology
Along with improving constantly of state-of-art fast development and people's life, increasing various miniature cars enter huge numbers of families as transportation and walking-replacing tool, but thing followed traffic accident is also increasing gradually.How various miniaturization and automobiles can protect occupant's safety, and reduce the damage of automobile vitals as much as possible to greatest extent when crashing, loss is dropped to minimum, have become the direction that each auto vendor makes great efforts.Front anti-collision beam is the main safety component of automobile, and the energy-absorbing effect of front anti-collision beam structure when head-on crash is the important measurement index of vehicle safety performance.The energy-absorbing box is the main absorption cell of front anti-collision beam structure, and energy-absorbing box structure directly influences the energy-absorbing and the conquassation amount of energy-absorbing box.2006, the U.S. and Europe have proposed the requirement of RCAR low speed collision respectively, that is: low speed collision when taking place in automobile, except absorbing certain energy with guaranteeing that passengers inside the car do not come to harm, also require not damage car longeron and other front and back framing member simultaneously, as front and back headlight, water tank, rear end panel etc.,, reduce loss to reduce the vehicle maintenance and repair expense.Desire to reach above-mentioned standard, the conquassation amount that just requires the energy-absorbing box to have to try one's best few to reduce the intrusion amount of collision thing, promptly improves the residual deformation of energy-absorbing box in collision process.The many guiding tendons that on box body, are provided with irregular structure of existing energy-absorbing box, this guiding tendon is difficult to the deformation process and the energy-absorbing of control energy-absorbing box structure when bumping, usually energy-absorbing for a long time, the conquassation amount of energy-absorbing box is very big, reduce guiding tendon when reducing the conquassation amount, energy-absorbing reduces again, is difficult to reach balance.How to make the distortion of energy-absorbing box controlled, can predict, and make effectively energy-absorbing of energy-absorbing box, can guarantee that again a certain amount of residual deformation is the main difficulty and the research of technique target of present energy-absorbing box structure design.
The utility model content
The utility model is used to solve the defective of above-mentioned existing skill structure art and provides a kind of can estimate the collision energy-absorbing taken into account of energy-absorbing box deformation pattern and the automobile collision preventing beam energy-absorbing box of residual deformation.
The alleged problem of the utility model solves by the following technical programs:
A kind of automobile collision preventing beam energy-absorbing box of taking into account collision energy-absorbing and residual deformation, comprise crossbeam and the energy-absorbing box that is symmetricly set on the crossbeam both sides in the formation, the energy-absorbing box is bucket-shaped, the affixed crossbeam of its big end, the affixed adapter plate of small end, its special feature is: described energy-absorbing box is provided with protruding, the recessed guiding tendon of regular distribution, be arranged alternately at the above protruding guiding tendon of each sidewall of energy-absorbing box, recessed guiding tendon, wherein, the convex-concave guiding tendon position correspondence on the energy-absorbing box two lateral walls; The adjacent two side of energy-absorbing box fovea superior guiding tendon is corresponding with protruding guiding tendon position.
The above-mentioned automobile collision preventing beam energy-absorbing box of taking into account collision energy-absorbing and residual deformation, protruding, the recessed guiding tendon of described regular distribution, its cross sectional shape is a circular arc, and arc radius R is 3-10mm, and two row's guiding tendon spacing E are 5-30mm.
The above-mentioned automobile collision preventing beam energy-absorbing box of taking into account collision energy-absorbing and residual deformation, protruding, recessed guiding tendon row number 〉=2 of regular distribution on the described energy-absorbing box.
The above-mentioned automobile collision preventing beam energy-absorbing box of taking into account collision energy-absorbing and residual deformation, the cross-sectional plane of described crossbeam is the groove shape, the big end of energy-absorbing box is arranged in the crossbeam groove, on the described energy-absorbing box protruding, the recessed guiding tendon of regular distribution be provided with scope from regular muscle basal plane to energy-absorbing box small end, described regular muscle basal plane is axial perpendicular to the energy-absorbing box, its distance apart from the big end of energy-absorbing box is: the energy-absorbing box is 76-85mm by maximal axial extension H and the welding process extension size h sum that the crossbeam groove contains, and wherein h is 26mm.
The utility model at front anti-collision beam of small car energy-absorbing box distortion can't predict, uncontrollable problem improves, and designed a kind of energy-absorbing box structure that can effectively control energy-absorbing and residual deformation in the low speed collision process.The optimal design of this structure by guiding tendon on the energy-absorbing box is provided with, the guiding tendon of regular distribution collapse energy-absorption successively when front anticollision beam of automobile is bumped, S-type conquassation form during distortion, when satisfying energy-absorbing, effectively energy-absorbing box distortion back height is also supported in stack, guarantee after the conquassation of energy-absorbing box residual deformation.The utility model has improved the safety performance of car low speed collision greatly by changing the structure design of energy-absorbing box.Through cae analysis and verification experimental verification, this kind energy-absorbing box deformation pattern and expected design are identical substantially, can help the designer to estimate energy-absorbing box deformation pattern, and satisfy the energy-absorbing box structure of vehicle low speed collision requirement according to the design of vehicle structure needs.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is an energy-absorbing box structural representation.
Label is as follows in the accompanying drawing: 1. adapter plate, 2. energy-absorbing box, the protruding guiding tendon of 2-1., the recessed guiding tendon of 2-2., 3. crossbeam, 4. regular muscle basal plane.
The specific embodiment
Referring to Fig. 1, the utility model formation comprises crossbeam 3 and energy-absorbing box 2, and energy-absorbing box 2 is similar bucket-shaped, and its symmetry is installed in the crossbeam two ends, its large port and crossbeam seam, portlet and adapter plate 1 seam.
Referring to Fig. 1, Fig. 2, technical essential of the present utility model is that the guiding tendon on the energy-absorbing box is improved, energy-absorbing box 2 is provided with protruding, the recessed guiding tendon of regular distribution, protruding, the recessed guiding tendon of described regular distribution is provided with in the following manner: each sidewall epirelief guiding tendon 2-1, recessed guiding tendon 2-2 at the energy-absorbing box are arranged alternately, wherein, the concave, convex guiding tendon position correspondence on the energy-absorbing box two lateral walls; The adjacent two side of energy-absorbing box fovea superior guiding tendon is corresponding with protruding guiding tendon position.In other words, around every row's guiding tendon of energy-absorbing box, be made of two convex tendons, two concave bars respectively, wherein convex tendon and concave bar are adjacent.Protruding, recessed guiding tendon 2-1, the 2-2 of above-mentioned regular distribution, its cross sectional shape is a circular arc, and arc radius R is 3-10mm, and two row's guiding tendon spacing E are 5-30mm.Protruding, recessed guiding tendon row number 〉=2 of described regular distribution.
Still referring to Fig. 1, Fig. 2, the cross-sectional plane of crossbeam 3 is the groove dress, energy-absorbing box 2 big ends are arranged in the crossbeam groove, consider the requirement of welding process, on the described energy-absorbing box concave, convex guiding tendon of regular distribution be provided with scope from regular muscle basal plane 4 to energy-absorbing box small end, described regular muscle basal plane is axial perpendicular to the energy-absorbing box, and its distance apart from the big end of energy-absorbing box is: the energy-absorbing box is 76-85mm by maximal axial extension H and the welding process extension size h sum that the crossbeam groove contains, and wherein h is 26mm.The zone (right side area of regular muscle basal plane 4 among Fig. 2) that the concave, convex guiding tendon of regular distribution is provided with outside the scope on the energy-absorbing box also is provided with guiding tendon, but for the consideration to welding process requirement, this regional guiding tendon is not according to the rule setting.
The utility model is worked as the energy-absorbing box and is collided the masterpiece time spent, and the right side area of regular muscle basal plane 4 part deforms earlier on the energy-absorbing box, and this part distortion and energy-absorbing can not pre-determine.Then impact force is arranged guiding tendon distortion energy-absorbing earlier, its convex tendon projection, concave bar conquassation to the left field conduction of regular muscle basal plane 4 near first of regular muscle basal plane, rule setting; The second series guiding tendon begins distortion after first row pressure is burst subsequently, remains the concave bar conquassation, the convex tendon projection, and second series is connected stack with first row's guiding tendon deformation result; Guiding tendon is respectively arranged according to above-mentioned rule collapse energy-absorption successively in the back, because the four sides sidewall guiding tendon of energy-absorbing box is concavo-convex checker structure, so S-type conquassation form when distortion, when satisfying energy-absorbing, effectively height after the distortion of stack and support energy-absorbing box guarantees that the stack thickness after the conquassation of energy-absorbing box is the residual deformation of energy-absorbing box.Energy absorption and residual deformation amount that guiding tendon row's number that rule is provided with and guiding tendon cross section arc diameter have determined the energy-absorbing box, through cae analysis and verification experimental verification, the utility model energy-absorbing box deformation pattern and expected design are identical substantially.The utility model can help the designer to satisfy the energy-absorbing box structure of vehicle low speed collision requirement according to the design of vehicle structure needs, realize the quantified controlling of energy-absorbing box deformation process and residual deformation, the designer can design the concrete physical dimension that the guiding tendon of the last regular distribution of energy-absorbing box is arranged number and guiding tendon according to vehicle structure.
Referring to Fig. 2, among the embodiment, the guiding tendon row number that rule is provided with is 6 shown in the figure, and each size is as follows among the figure: R is 5mm, and E is 8 mm, and H is 56.53mm, and h is 26mm, and L is 217.433mm.
Claims (4)
1. the automobile collision preventing beam energy-absorbing box that can take into account collision energy-absorbing and residual deformation, it comprises crossbeam and is symmetricly set on the energy-absorbing box of crossbeam both sides, the energy-absorbing box is bucket-shaped, the affixed crossbeam of its big end, the affixed adapter plate of small end, it is characterized in that: described energy-absorbing box (2) is provided with protruding, the recessed guiding tendon of regular distribution, the above protruding guiding tendon (2-1) of each sidewall, recessed guiding tendon (2-2) at the energy-absorbing box are arranged alternately, wherein, and the convex-concave guiding tendon position correspondence on the energy-absorbing box two lateral walls; The adjacent two side of energy-absorbing box fovea superior guiding tendon is corresponding with protruding guiding tendon position.
2. the automobile collision preventing beam energy-absorbing box of taking into account collision energy-absorbing and residual deformation according to claim 1, it is characterized in that: the protruding guiding tendon (2-1) of described regular distribution, recessed guiding tendon (2-2), its cross sectional shape is a circular arc, arc radius R is 3-10mm, and two row's guiding tendon spacing E are 5-30mm.
3. the automobile collision preventing beam energy-absorbing box of taking into account collision energy-absorbing and residual deformation according to claim 1 and 2 is characterized in that: protruding, recessed guiding tendon row number 〉=2 of regular distribution on the described energy-absorbing box.
4. the automobile collision preventing beam energy-absorbing box of taking into account collision energy-absorbing and residual deformation according to claim 3, it is characterized in that: the cross-sectional plane of described crossbeam (3) is the groove shape, the big end of energy-absorbing box (2) is arranged in the crossbeam groove, on the described energy-absorbing box protruding, the recessed guiding tendon of regular distribution be provided with scope from regular muscle basal plane (4) to energy-absorbing box small end, described regular muscle basal plane (4) is axial perpendicular to the energy-absorbing box, its distance apart from the big end of energy-absorbing box is: the energy-absorbing box is 76-85mm by maximal axial extension H and the welding process extension size h sum that the crossbeam groove contains, and wherein h is 26mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020567277XU CN201849433U (en) | 2010-10-19 | 2010-10-19 | Crash box structure capable of giving consideration to crash energy absorption and residual deformation for crash beam of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020567277XU CN201849433U (en) | 2010-10-19 | 2010-10-19 | Crash box structure capable of giving consideration to crash energy absorption and residual deformation for crash beam of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201849433U true CN201849433U (en) | 2011-06-01 |
Family
ID=44091841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020567277XU Expired - Lifetime CN201849433U (en) | 2010-10-19 | 2010-10-19 | Crash box structure capable of giving consideration to crash energy absorption and residual deformation for crash beam of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201849433U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962038A (en) * | 2010-10-19 | 2011-02-02 | 凌云工业股份有限公司 | Minicar impact-proof beam energy absorption box capable of controlling impact energy absorption and residual deformation |
| CN102745159A (en) * | 2012-03-13 | 2012-10-24 | 浙江吉利汽车研究院有限公司 | Automobile crash energy-absorbing box |
| CN104943635A (en) * | 2015-06-24 | 2015-09-30 | 广西大学 | Energy-absorption air bag used for automobile bumper |
| CN111347991A (en) * | 2018-12-24 | 2020-06-30 | 观致汽车有限公司 | Front impact beam structure for vehicle |
| CN111347989A (en) * | 2018-12-24 | 2020-06-30 | 观致汽车有限公司 | Rear impact beam structure for vehicle |
-
2010
- 2010-10-19 CN CN201020567277XU patent/CN201849433U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962038A (en) * | 2010-10-19 | 2011-02-02 | 凌云工业股份有限公司 | Minicar impact-proof beam energy absorption box capable of controlling impact energy absorption and residual deformation |
| CN102745159A (en) * | 2012-03-13 | 2012-10-24 | 浙江吉利汽车研究院有限公司 | Automobile crash energy-absorbing box |
| CN102745159B (en) * | 2012-03-13 | 2014-09-10 | 浙江吉利汽车研究院有限公司 | Automobile crash energy-absorbing box |
| CN104943635A (en) * | 2015-06-24 | 2015-09-30 | 广西大学 | Energy-absorption air bag used for automobile bumper |
| CN111347991A (en) * | 2018-12-24 | 2020-06-30 | 观致汽车有限公司 | Front impact beam structure for vehicle |
| CN111347989A (en) * | 2018-12-24 | 2020-06-30 | 观致汽车有限公司 | Rear impact beam structure for vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101962038B (en) | Minicar impact-proof beam energy absorption box capable of controlling impact energy absorption and residual deformation | |
| CN201849433U (en) | Crash box structure capable of giving consideration to crash energy absorption and residual deformation for crash beam of automobile | |
| CN103158651A (en) | Tubular back beam for vehicle | |
| JP2008265738A (en) | Vehicular metal absorber, bumper system for vehicle, absorber for automobile bumper, and automobile bumper system | |
| CN106364521B (en) | The special energy absorption device of combined type for rail vehicle and the rail vehicle provided with the device | |
| CN204821718U (en) | Car longitudinal beams , sub vehicle frame assembly and car | |
| CN102910128B (en) | Pedestrian leg buffer beam of automobile bumper | |
| CN103909888A (en) | Automobile crash box | |
| CN106004918A (en) | Railway vehicle energy absorption unit beam | |
| CN211731294U (en) | Preceding crashproof roof beam assembly and have its vehicle | |
| CN201923216U (en) | Automobile energy absorbing box | |
| CN101857001A (en) | Small car front bumper with significant energy-absorbing effect | |
| CN107380192B (en) | A kind of energy absorption device of coupling necking down and spalling deformation | |
| CN203996061U (en) | Federal bumper and automobile | |
| CN211809466U (en) | Improve little biasing and bump crashproof performance's preceding crashproof roof beam assembly | |
| CN201685776U (en) | Double-energy-absorption small car front anti-collision beam | |
| CN206954313U (en) | A kind of front rail structure of automobile | |
| CN203580856U (en) | Automobile front bumper | |
| CN207191172U (en) | A kind of automobile longitudinal girder | |
| CN112298256A (en) | Vehicle anti-climbing energy-absorbing device | |
| CN202703468U (en) | Passenger car front wall anticollision beam | |
| CN202863551U (en) | Reinforced stringer S-shaped section structure | |
| CN202754034U (en) | Front longitudinal beam and car | |
| CN207257781U (en) | A kind of automobile front longitudinal beam force transferring structure and its energy absorbent block | |
| CN202163386U (en) | Energy absorber for automotive bumper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |