CN101982350B - Automobile front anti-collision beam with collision energy absorption and water tank ventilation effects - Google Patents
Automobile front anti-collision beam with collision energy absorption and water tank ventilation effects Download PDFInfo
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- CN101982350B CN101982350B CN201010537513A CN201010537513A CN101982350B CN 101982350 B CN101982350 B CN 101982350B CN 201010537513 A CN201010537513 A CN 201010537513A CN 201010537513 A CN201010537513 A CN 201010537513A CN 101982350 B CN101982350 B CN 101982350B
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Abstract
The invention relates to an automobile front anti-collision beam with collision energy absorption and water tank ventilation effects, which is used for solving the problems of an automobile anti-collision beam. The invention has the technical scheme that the automobile front anti-collision beam comprises a transverse beam and energy absorption boxes which are symmetrically arranged at two sides of the transverse beam; after being improved, the transverse beam is formed by welding an upper beam and lower beams which are symmetrically arranged at the lower parts of two sides of the upper beam; the cross section of the upper beam is a rectangle with a stepped unfilled corner; the stepped unfilled corner is positioned at the lower part in the front of the upper beam; and the transverse beam of each lower beam is a rectangle. Aiming at the requirement of increasing the frontal area of a water tank, the invention optimizes the transverse beam; under the conditions of no need of changing the position of the whole front anti-collision beam, no need of redesigning an air intake grid and meeting the strength requirement, the invention solves the problem that front anti-collision beams of some automobile types face the air intake grid so that the temperature of the water tank exceeds the standard; and the invention has the advantages of simple and practical structure, convenient disassembly, assembly and maintenance and the like, and the self weight of the anti-collision beam is relieved.
Description
Technical field
The present invention relates to a kind of Vehicular device, particularly can increase the front anticollision beam of automobile of water tank wind area, belong to automobile technical field.
Background technology
Front anticollision beam of automobile is the main safety knot member that when automobile generation head-on crash, occupant and car body is formed protective effect; The structure design of front anti-collision beam not only will be considered safety performance, also will take into account the related question of other parts that are positioned at the collision prevention girders periphery and the unit design problem of car body profile.Mostly crashproof its section of crossbeam shape is complete uniform cross section structure before the various automobiles in the market, like Type B beam, D type beam etc.The problem that this common structure exists is following: when the collision prevention girders height faces air-inlet grille; Can cause the water tank wind area to reduce; Thereby make the vehicle length time rear water box temperature exceeding standard that goes; The automobile self-extinguishing, dropping to the normal temperature automobile up to water tank temperature can restart, but the appearance that the problems referred to above can be gone round and begun again.Usually this way to solve the problem is had two; The one, change the front part of vehicle moulding, promptly reduce the position of water tank and air-inlet grille simultaneously, avoid the front anti-collision beam installing space; If this way vehicle moulding in early stage is fixed; More reworked can bring the postponement of vehicle design time node, and because the covering die cost is very high, water tank installation site associated part is a lot, so change water tank and the generation of air-inlet grille position are very expensive; Another kind of mode is that preceding crashproof crossbeam is moved on the whole; Reserve the cooresponding ventilation inlet of air-inlet grille position, because can not be corresponding with longeron after moving on the front anti-collision beam installation site, the direct result that this method is brought is to have reduced the crash protection performance of collision prevention girders;, do not support by automobile when bumping owing to the energy-absorbing box has longeron at the back; Effectively the absorbing impact energy is difficult to reach present each item safe performance indexes, and such sacrifice is that auto vendor and customer are unacceptable.
Summary of the invention
The present invention is used to solve the defective of above-mentioned prior art and provides a kind of and both can guarantee the collision energy-absorbing effect, can keep front anti-collision beam and longeron relative position unmodified can take into account the front anticollision beam of automobile of collision energy-absorbing and water tank fanning effect.
The alleged problem of the present invention solves through following technical scheme:
A kind of front anticollision beam of automobile of taking into account collision energy-absorbing and water tank fanning effect; Comprise crossbeam and the energy-absorbing box that is symmetricly set on the crossbeam both sides in the formation; Special feature is: said crossbeam is formed by the underbeam seam of putting the beams in place and be symmetricly set on two side lower parts of putting the beams in place; Said upper beam shape of cross section is the rectangle that has a stage shape unfilled corner, and stage shape unfilled corner is positioned at upper beam fwd bottom, and said underbeam beam shape is a rectangle.
The above-mentioned front anticollision beam of automobile of taking into account collision energy-absorbing and water tank fanning effect, said upper beam length dimension A is 900-1200mm, and the underbeam medial extremity is provided with transition oblique angle α, and α is 10-60 °, and underbeam base length C is 100-300mm.
The above-mentioned front anticollision beam of automobile of taking into account collision energy-absorbing and water tank fanning effect; Said beam-end height dimension B is 80-150mm; Width dimensions G is 30-60mm, wherein puts the beams in place, underbeam is wide, and the relation of said upper beam height dimension D and crossbeam height B is the D of B=(1.5-2); The relation of said upper beam stage shape unfilled corner height dimension E of place and upper beam height dimension D is: D=(3-4) E, the relation of upper beam stage shape unfilled corner width dimensions F of place and upper beam width dimensions G is: G=(4-8) F.
The present invention is directed to some cars because the collision prevention girders height faces air-inlet grille, cause the water tank wind area to reduce problem and improve, crossbeam is positioned at the air-inlet grille place cuts a part, thereby increase the water tank wind area, guarantee the performance of ventilating of air-inlet grille.This improved technical barrier is: after crossbeam cut a part, its crash protection performance was constant.For reaching above-mentioned requirements, the present invention to the carrying out of crossbeam optimal design, crossbeam is divided into three parts, both sides by put the beams in place, the underbeam seam forms, cut the approximate Type B of shape, but the unfilled corner of putting the beams in place processing can reach the effect of reinforced rib, centre portion has only upper beam.Said structure shows that through the cae analysis test its 25 kilometers speed per hour front rigid wall collisions and 56 kilometers speed per hour offset collisions and common crossbeam collision prevention girders crash protection performance are basic identical.The present invention has solved some vehicle front anti-collision beam height and has faced the difficult problem that air-inlet grille causes water tank temperature to exceed standard not changing whole front anti-collision beam position, also not needing to design again air-inlet grille and satisfying under the prerequisite of requirement of strength.And have simple and practically, and be convenient to dismounting maintenance, alleviate advantages such as collision prevention girders deadweight.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the beam structure scheme drawing;
Fig. 3 is protruding birds-eye view;
Fig. 4 is the K-K cross sectional drawing (enlarged drawing) of Fig. 2;
Fig. 5 is a scheme of installation of the present invention;
Fig. 6 is the present invention and the common crossbeam accelerating curve when doing front rigid wall collision with 25 kilometers speed per hours;
Fig. 7 is the present invention and the common crossbeam accelerating curve when making offset collision with 56 kilometers speed per hours.
Each label is following in the accompanying drawing: 1. adapter plate, and 2. energy-absorbing box, 3. crossbeam, 3-1. puts the beams in place, 3-2. underbeam, 3-3. stage shape unfilled corner, 4. water tank, 5. grid.
The specific embodiment
Referring to Fig. 1, comprise during the present invention constitutes crossbeam 3 with the energy-absorbing box 2 that is symmetricly set on the crossbeam both sides, reach the adapter plate 1 that links to each other with two energy-absorbing boxes.
Referring to Fig. 1-3; For reducing crossbeam to water tank windward side shielded area; Crossbeam 3 according to the invention is formed with the underbeam 3-2 seam that is symmetricly set on two side lower parts of putting the beams in place by upper beam 3-1, in other words, and in the position of the corresponding water tank in crossbeam middle part; Excised a part of material, to exchange the increase of water tank wind area for.Different according to vehicle, the length dimension A of upper beam 3-1 is 900-1200mm, the size of underbeam base length C according to the water tank width setup between 100-300mm; For avoiding stress concentration, underbeam is inboard to be provided with transition oblique angle α with upper beam seam end, and α is 10-60 °.
For making crossbeam after material is reduced at the middle part, can guarantee that still its crash protection performance does not reduce, the present invention has carried out optimal design to the section of beam shape.Referring to Fig. 2, Fig. 4; Said upper beam 3-1 is fastened by two boards and is welded; Its shape of cross section is the rectangle that has a stage shape unfilled corner; Stage shape unfilled corner 3-3 is positioned at the bottom of upper beam front (windward side), and this stage shape unfilled corner 3-3 forms the effect of reinforced rib, satisfies the energy-absorbing requirement in order to guarantee beam strength.Said underbeam 3-2 is fastened by two boards to be welded, and the beam shape of underbeam is a rectangle.The design of above-mentioned section of beam shape; Make the present invention and common Type B or D property cross section crossbeam that basic difference arranged; According to the cae analysis result,, obtain the physical dimension of crossbeam each several part of the present invention through adjusting the rational Match of upper beam sectional dimension and stage shape unfilled corner size repeatedly; Accelerating curve is compared several indifferences with common crossbeam in the offset collision when making its front rigid wall collision when 25 kilometers speed per hours with 56 kilometers speed per hours, like Fig. 6, shown in Figure 7.Thereby do not changing the front anti-collision beam position, also do not needing to design again air-inlet grille and satisfying under the prerequisite of requirement of strength, solving the problem that some vehicle front anti-collision beam height face air-inlet grille.The physical dimension of section of beam is following: beam-end height dimension B is 80-150mm, and width dimensions G is 30-60mm, wherein puts the beams in place, underbeam is wide.The relation of upper beam height dimension D and crossbeam height B is the D of B=(1.5-2); The relation of upper beam stage shape unfilled corner height dimension E of place and upper beam height dimension D is: D=(3-4) E, the relation of upper beam stage shape unfilled corner width dimensions F of place and upper beam width dimensions G is: G=(4-8) F.
Fig. 5 is front anticollision beam of automobile according to the invention and water tank 4, grid 5 installation site scheme drawings.
A concrete embodiment is provided: crossbeam length dimension A is 1050mm; End height dimension B is 100.612mm, and width dimensions G is 46.082mm, and upper beam height dimension D is 67.112mm; The stage shape unfilled corner height dimension E of place is 16.597mm; Wide F is 8mm, and it is 25 ° that the underbeam medial extremity is provided with transition oblique angle α, and underbeam base size C is 205.341mm.
Fig. 6 representes is the contrast of the accelerating curve during the rigid wall collision in the front when 25 kilometers speed per hours of the common crossbeam of the present invention and prior art, and promptly tested vechicle is then exported the acceleration parameter of the car in the collision process with 25 kilometers speed bump rigid wall.The accelerating curve of output car is in order to judge people's in the car injured degree with the accekeration of car, car after collision in the car people's the degree that is hurt promptly be the safety performance of car, so the contrast of accelerating curve is exactly the contrast of the collision safety performance of car.Different bumpers can produce different accelerating curves in collision process.The accelerating curve of the present invention and prior art structure is a basically identical, can prove that thus the safety performance of car is consistent.
Fig. 7 is the present invention and the common crossbeam accelerating curve when when 56 kilometers speed per hours, making offset collision; In this test, car is equally also exported the accelerating curve of the car in the collision process with the obstacle of 56 kilometers speed bump honeycomb aluminium shape; Compare these two curves; The safety performance that can find car is consistent, no matter i.e. the present invention is that safety performance can reach the requirement of original structure under high speed or low speed collision situation.
Claims (3)
1. the front anticollision beam of automobile that can take into account collision energy-absorbing and water tank fanning effect; It comprises crossbeam (3) and is symmetricly set on the energy-absorbing box (2) of crossbeam both sides; It is characterized in that: said crossbeam (3) is formed with underbeam (3-2) seam that is symmetricly set on two side lower parts of putting the beams in place by put the beams in place (3-1), and said crossbeam is divided into three parts, and both sides are made up of upper beam, underbeam seam; Cut the approximate Type B of shape, centre portion has only upper beam; Said upper beam shape of cross section is the rectangle that has a stage shape unfilled corner, and stage shape unfilled corner (3-3) is positioned at upper beam fwd bottom, and said underbeam beam shape is a rectangle.
2. the front anticollision beam of automobile of taking into account collision energy-absorbing and water tank fanning effect according to claim 1; It is characterized in that: said upper beam (3-1) length dimension A is 900-1200mm; Said underbeam (3-2) is inboard to be provided with transition oblique angle α with upper beam seam end; α is 10-60 °, and underbeam base length C is 100-300mm.
3. the front anticollision beam of automobile of taking into account collision energy-absorbing and water tank fanning effect according to claim 1 and 2; It is characterized in that: said beam-end height dimension B is 80-150mm; Width dimensions G is 30-60mm; Wherein put the beams in place, underbeam is wide; The relation of said upper beam height dimension D and crossbeam height B is the D of B=(1.5-2), and the relation of said upper beam stage shape unfilled corner height dimension E of place and upper beam height dimension D is: D=(3-4) E, the relation of upper beam stage shape unfilled corner width dimensions F of place and upper beam width dimensions G is: G=(4-8) F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010537513A CN101982350B (en) | 2010-11-09 | 2010-11-09 | Automobile front anti-collision beam with collision energy absorption and water tank ventilation effects |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010537513A CN101982350B (en) | 2010-11-09 | 2010-11-09 | Automobile front anti-collision beam with collision energy absorption and water tank ventilation effects |
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| Publication Number | Publication Date |
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| CN101982350A CN101982350A (en) | 2011-03-02 |
| CN101982350B true CN101982350B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010537513A Active CN101982350B (en) | 2010-11-09 | 2010-11-09 | Automobile front anti-collision beam with collision energy absorption and water tank ventilation effects |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104724018A (en) * | 2015-02-13 | 2015-06-24 | 苏州紫荆清远新能源汽车技术有限公司 | Automobile anti-collision beam structure and automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4563028A (en) * | 1982-07-01 | 1986-01-07 | Aisin Seiki Kabushiki Kaisha | Reinforcement member for a vehicle bumper |
| CN2567086Y (en) * | 2002-09-03 | 2003-08-20 | 杨仁元 | Front bumper for commercial car |
| CN101767555A (en) * | 2010-02-11 | 2010-07-07 | 凌云工业股份有限公司 | Front anticollision beam of automobile |
| CN201849428U (en) * | 2010-11-09 | 2011-06-01 | 凌云工业股份有限公司 | Automobile front anti-collision beam capable of increasing front windward area of water tank |
-
2010
- 2010-11-09 CN CN201010537513A patent/CN101982350B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4563028A (en) * | 1982-07-01 | 1986-01-07 | Aisin Seiki Kabushiki Kaisha | Reinforcement member for a vehicle bumper |
| CN2567086Y (en) * | 2002-09-03 | 2003-08-20 | 杨仁元 | Front bumper for commercial car |
| CN101767555A (en) * | 2010-02-11 | 2010-07-07 | 凌云工业股份有限公司 | Front anticollision beam of automobile |
| CN201849428U (en) * | 2010-11-09 | 2011-06-01 | 凌云工业股份有限公司 | Automobile front anti-collision beam capable of increasing front windward area of water tank |
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| CN101982350A (en) | 2011-03-02 |
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Application publication date: 20110302 Assignee: Yantai Lingyun Automobile Industry Technology Co. Ltd. Assignor: Lingyun Industrial Corporation Limited Contract record no.: 2016130000022 Denomination of invention: Automobile front anti-collision beam with collision energy absorption and water tank ventilation effects Granted publication date: 20120905 License type: Exclusive License Record date: 20161208 |
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