CN2717764Y - Vehicle bumper - Google Patents
Vehicle bumper Download PDFInfo
- Publication number
- CN2717764Y CN2717764Y CNU2004200697690U CN200420069769U CN2717764Y CN 2717764 Y CN2717764 Y CN 2717764Y CN U2004200697690 U CNU2004200697690 U CN U2004200697690U CN 200420069769 U CN200420069769 U CN 200420069769U CN 2717764 Y CN2717764 Y CN 2717764Y
- Authority
- CN
- China
- Prior art keywords
- energy
- energy absorber
- vehicle
- skeleton
- bumper
- 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 - Fee Related
Links
Images
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model relates to a vehicle safety protection component, which comprises a casing, an energy absorption body and a frame. The energy absorption body made from the closed cell aluminium is arranged in an installing groove which is arranged on one side of the frame near the casing and the energy absorption body is fixed by the fastening component. The casing is arranged on the energy absorption body and is fixed on the frame by the fastening component. One side of the frame close to the vehicle body is provided with a reinforced rib. The closed cell aluminium in a bumper can generate a plastic deformation to absorb the applied load impact force to protect the safety of the vehicle and the personnel effectively when the vehicle suffers from the impact. The utility model can not only absorb the impact on the surface, but also absorb the impact kinetic energy from all directions, which can effectively avoid the driver and the passenger from being damaged.
Description
Technical field: the utility model relates to the safety features of vehicle, particularly energy management bumper.
Background technology: desirable vehicle bumper should be able to absorb most of impact kinetic energy when vehicle is hit, and is cost with the deformed damaged of bumper/spoiler, protection vehicle and personnel's safety.Early stage vehicle bumper is stamped to form by steel plate, and modern vehicle bumper is mainly by the acrylic resin manufacturing, and both all can not satisfy the requirement of a large amount of absorption impact kinetic energies.To the damage of vehicle and occupant's injury, when body drawing, progressively using and improving energy management bumper when bumping in order to alleviate.For example, inflatable or semi-gas filled formula bumper/spoiler are to utilize closed air chamber to absorb collision energy, and gas volume shrinks when being hit, and part energy is stored in the air chamber, alleviate damage to vehicle with this.But the collision energy that closed air chamber can be stored is very limited, so this bumper/spoiler can only work under the very low situation of the speed of a motor vehicle.Another kind of energy absorbing type vehicle bumper is to be provided with multi-form reinforced rib in the elastic housing of bumper/spoiler, is out of shape by hitting of elastic housing and reinforced rib to absorb collision energy.This class bumper/spoiler can play a role when the speed of a motor vehicle is low, can not too firm restriction because of being subjected to reinforced rib, can not absorb collision energy in a large number.Also have a class energy management bumper, it is made of bumper/spoiler outside plate, energy absorber and skeleton.Wherein a kind of energy absorber is to be energy absorbing material with polyamine lipid or polypropylene type Foamex; Another kind of energy absorber is to be energy absorbing material with resins such as cellular polyethylenes.Mainly from protection pedestrian's angle, purpose does not lie in protection driver and occupant to this class energy management bumper.The patent No. is that 99221233.2 utility model patent discloses a kind of high-energy absorption type foam metal bumper/spoiler, and this bumper/spoiler disperses to be provided with fritter energy absorbing type foam metal between the face guard of the vehicle frame front end and the left and right sides and car body.Become point type to disperse to be placed between face guard and the car body owing to play the fritter foam metal of energy-absorbing function, make that the energy-absorbing function of this bumper/spoiler is very limited.
Summary of the invention: the invention the purpose of this utility model is to reduce the injury that vehicle collision causes for driver and occupant.It is energy absorber with the closed-cell aluminum foam, makes a kind of new vehicle bumper/spoiler that can absorb collision energy in a large number.So-called foamed aluminium is a kind of porous material that is distributed with countless bubbles in the metallic aluminium matrix, and the formed closed air chamber of its inner each spilehole all is equivalent to little " an energy-absorbing unit ".With the aperture is that φ 3mm, density are 0.6g/cm
3Blocks of aluminum foam be example, in specification is the volume of 100mm * 100mm * 100mm, little " energy-absorbing unit " more than 7000 just arranged.When being collided, little " the energy-absorbing unit " of One's name is legion just can absorb impact kinetic energy in a large number.The energy-absorbing principle of this new vehicle bumper/spoiler promptly is that closed-cell aluminum foam produces plastic deformation when being collided, and absorbs the impulsive force of applied load, thereby protects vehicle and personnel's safety effectively.
The made new vehicle bumper/spoiler of the utility model is made of shell, energy absorber and skeleton three parts.It is characterized in that energy absorber is material with the closed-cell aluminum foam, the energy absorber of closed-cell aluminum foam preparation is inserted skeleton near in the mounting groove of shell one side, and fix with secure component; Shell abuts against on the energy absorber, and shell is fixed on the skeleton with secure component; Skeleton is furnished with reinforced rib near vehicle body one side, skeleton can with the vehicle body leak-tight joint.
The closed-cell aluminum foam that is used as energy absorber is by metallic aluminium or acieral or aluminum matrix composite manufacturing.
Shell can use metallic materials such as sheet steel, aluminium sheet to make, and also can use non-metallic materials such as synthetic resin, composite material to make.
The form that skeleton is can be according to different vehicle design different, material can be selected metallic materials such as steel plate for use.
Size according to vehicle is different with structure, and the utility model can be designed to the bumper/spoiler that car, passenger vehicle, lorry etc. use.
The closed-cell aluminum foam that energy absorber adopted utilizes the preparation of melt foaming method, and the foam volume of this method preparation is 1～2m
3, the aperture in 1mm-10mm, density at 0.3-1.0g/cm
3Adjustable in the scope.When making energy absorber, can determine thickness, the aperture of energy absorber as requested; Can process the energy absorber of a monoblock on request, also can process difform blocks of aluminum foam earlier, be spliced into required energy absorber again.
The closed-cell aluminum foam of different densities absorbs the ability difference of impact energy, and along with the raising of density, the quantity that absorbs the applied shock energy in the unit volume increases.The energy value that calculates the closed-cell aluminum foam unit volume absorption of different densities is thus listed in the table 1.
The energy that the closed-cell aluminum foam unit volume of table 1. different densities absorbs
Specimen coding 12345
Density g/cm
30.35 0.45 0.56 0.59 0.71
Absorb energy J/cm
39.2 18.3 24.0 29.8 38.4
In the time of can calculating vehicle and be impacted by the data of table 1, be the absorbent collision energy of the made bumper/spoiler of energy absorbing material, this shows the good effect of this energy absorbing type bumper/spoiler with the closed-cell aluminum foam.
With the car is example, and according to the regulation requirement of international Collision test standard (U.S. CFR581), quality is the car of 1500Kg when bumping with 48Km/h speed, and the perfectly elastic collision kinetic energy that is produced is: E=1/2mv
2=135KJ.If the density of the used closed-cell aluminum foam energy-absorbing of car bumper parts is 0.45g/cm
3, thickness is 40mm, is hit area and calculates by 1000mm * 150mm, so absorbable Impact energy is 113KJ, accounts for 84% of whole Impact energies.Then use highdensity foamed aluminium material to prepare energy absorber for passenger vehicle or lorry,, satisfy the safety requirements of these vehicles to absorb more Impact energy.
The magnetic of the utility model on not only can absorption surface hits, and can also absorb the bump kinetic energy from all directions, thereby avoid driver and occupant to be subjected to excessive injury effectively.
Description of drawings: Fig. 1 is this new vehicle bumper/spoiler scheme drawing
Fig. 2 is the generalized section along the A-A direction
The specific embodiment: below be in conjunction with the accompanying drawings to detailed description of the present utility model.
Embodiment 1: what present embodiment was described is the car energy management bumper.What its energy absorber 2 adopted is the closed-cell aluminum foam of metallic aluminium preparation, and density is 0.45g/cm
3The energy absorber 2 of closed-cell aluminum foam preparation is inserted skeleton 4 near in the mounting groove of shell 1 one sides, and fixing with screw 3; Shell 1 is held on the energy absorber 2, and shell 1 usefulness bolt 3 is fixed on the skeleton 4; Skeleton 4 is furnished with reinforced rib 5 near vehicle body one sides, skeleton 4 can with the motorcar body leak-tight joint.
Embodiment 2: what present embodiment was described is the passenger vehicle energy management bumper.What its energy absorber 2 adopted is the closed-cell aluminum foam of acieral preparation, and density is 0.59g/cm
3The energy absorber 2 of closed-cell aluminum foam preparation is inserted skeleton 4 near in the mounting groove of shell 1 one sides, and fixing with thread-forming screw 3; Energy absorber 2 sticks on the shell 1, and shell 1 usefulness bolt 3 is fixed on the skeleton 4; Skeleton 4 is furnished with reinforced rib 5 near vehicle body one sides, skeleton 4 can with the bus body leak-tight joint.
Embodiment 3: what present embodiment was described is the lorry energy management bumper.What its energy absorber 2 adopted is the closed-cell aluminum foam of aluminum matrix composite preparation, and density is 0.71g/cm
3The energy absorber 2 of closed-cell aluminum foam preparation is inserted skeleton 4 near in the mounting groove of shell 1 one sides, and energy absorber 2 sticks on the skeleton 4, and fixing with tap bolt 3; Shell 1 is held on the energy absorber 2, and shell 1 usefulness bolt 3 is fixed on the skeleton 4; Skeleton 4 is furnished with reinforced rib 5 near vehicle body one sides, skeleton 4 can with the truck body leak-tight joint.
Only be three examples of this new vehicle bumper/spoiler above.All and the utility model belong to same design, and with the bumper/spoiler of closed pore foam aluminium material preparation energy absorber, all belong to the scope that the utility model is protected.
Claims (6)
1. new vehicle bumper/spoiler, constitute by shell (1), energy absorber (2) and skeleton (4) three parts, it is characterized in that inserting skeleton (4) near in the mounting groove of shell (1) one side by the energy absorber (2) of closed-cell aluminum foam preparation, and fixing with secure component (3); Shell (1) abuts against on the energy absorber (2), and shell (1) is fixed on the skeleton (4) with secure component (3); Skeleton (4) is furnished with reinforced rib (5) near vehicle body one side, skeleton (4) can with the vehicle body leak-tight joint.
2. new vehicle bumper/spoiler according to claim 1 is characterized in that the used closed-cell aluminum foam of energy absorber (2) is with metallic aluminium or acieral or aluminum matrix composite manufacturing.
3. new vehicle bumper/spoiler according to claim 1, the density that it is characterized in that the used closed-cell aluminum foam of energy absorber (2) is at 0.3-1.0g/cm
3Between.
4. new vehicle bumper/spoiler according to claim 1 is characterized in that the aperture of the used closed-cell aluminum foam of energy absorber (2) is 1mm-8mm.
5. new vehicle bumper/spoiler according to claim 1 is characterized in that the thickness of the used closed-cell aluminum foam of energy absorber (2) is 10mm-40mm.
6. new vehicle bumper/spoiler according to claim 1, it is characterized in that preparing the used closed-cell aluminum foam of energy absorber (2) can be a monoblock, also can be spliced by polylith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200697690U CN2717764Y (en) | 2004-07-13 | 2004-07-13 | Vehicle bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200697690U CN2717764Y (en) | 2004-07-13 | 2004-07-13 | Vehicle bumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2717764Y true CN2717764Y (en) | 2005-08-17 |
Family
ID=34893669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200697690U Expired - Fee Related CN2717764Y (en) | 2004-07-13 | 2004-07-13 | Vehicle bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2717764Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707829A (en) * | 2013-12-23 | 2014-04-09 | 张广舜 | Automobile buffering bumper |
| CN103963847A (en) * | 2014-01-18 | 2014-08-06 | 东莞中山大学研究院 | Light weight automobile body side face modeling structure |
| CN107082054A (en) * | 2017-05-13 | 2017-08-22 | 安徽省鸣新材料科技有限公司 | A kind of new automobile anti-collision structure of use foamed aluminium |
| CN107128268A (en) * | 2017-05-13 | 2017-09-05 | 安徽省鸣新材料科技有限公司 | A kind of automobile collision preventing structure of use foamed aluminium |
| CN107310499A (en) * | 2017-06-19 | 2017-11-03 | 界首市中源汽车修造有限公司 | A kind of high energy absorbing vehicle rear bumper |
| CN108501843A (en) * | 2018-02-27 | 2018-09-07 | 西安交通大学 | A kind of vehicle bumper systems |
| CN110345186A (en) * | 2019-08-19 | 2019-10-18 | 河北创泰交通工程技术有限公司 | A kind of high efficiency buffer power-absorbing |
| CN112277995A (en) * | 2020-11-19 | 2021-01-29 | 湖南联诚轨道装备有限公司 | Tram buffer stop |
-
2004
- 2004-07-13 CN CNU2004200697690U patent/CN2717764Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707829A (en) * | 2013-12-23 | 2014-04-09 | 张广舜 | Automobile buffering bumper |
| CN103963847A (en) * | 2014-01-18 | 2014-08-06 | 东莞中山大学研究院 | Light weight automobile body side face modeling structure |
| CN107082054A (en) * | 2017-05-13 | 2017-08-22 | 安徽省鸣新材料科技有限公司 | A kind of new automobile anti-collision structure of use foamed aluminium |
| CN107128268A (en) * | 2017-05-13 | 2017-09-05 | 安徽省鸣新材料科技有限公司 | A kind of automobile collision preventing structure of use foamed aluminium |
| CN107310499A (en) * | 2017-06-19 | 2017-11-03 | 界首市中源汽车修造有限公司 | A kind of high energy absorbing vehicle rear bumper |
| CN108501843A (en) * | 2018-02-27 | 2018-09-07 | 西安交通大学 | A kind of vehicle bumper systems |
| CN108501843B (en) * | 2018-02-27 | 2020-07-10 | 西安交通大学 | Motor vehicle bumper system |
| CN110345186A (en) * | 2019-08-19 | 2019-10-18 | 河北创泰交通工程技术有限公司 | A kind of high efficiency buffer power-absorbing |
| CN112277995A (en) * | 2020-11-19 | 2021-01-29 | 湖南联诚轨道装备有限公司 | Tram buffer stop |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6595502B2 (en) | Bumper system for vehicles | |
| EP1031467B2 (en) | I-section automotive bumper formed from mineral-filled glass mat thermoplastic (gmt) composite | |
| US20090315343A1 (en) | Shock-absorber assembly and corresponding motor vehicle | |
| CN104039601A (en) | Energy absorbing assembly | |
| JP2013523516A (en) | Vehicle and associated energy reservoir support | |
| KR20220002717A (en) | Modular bumper beam | |
| CN2717764Y (en) | Vehicle bumper | |
| CN1558844A (en) | Energy absorber with crash can | |
| Koricho et al. | Crashworthiness analysis of composite and thermoplastic foam structure for automotive bumper subsystem | |
| KR20070122301A (en) | Bumper of automobile | |
| WO2021091514A1 (en) | A supported crash box | |
| US7240932B2 (en) | Energy-absorbing case for a motor vehicle bumper beam | |
| CN206344785U (en) | A kind of pilotless automobile bumper | |
| CN206171374U (en) | Car bumper buffer structure | |
| Lorenzi et al. | Aluminum foam applications for impact energy absorbing structures | |
| CN207345731U (en) | A kind of impact strength alleviates bumper | |
| CN219339390U (en) | High-strength anti-collision automobile bumper | |
| CN205417486U (en) | Safety anticollision bumper for car | |
| CN206734235U (en) | A kind of reinforced motor vehicle bumper | |
| CN1644432A (en) | Endergonic vehicle bumper | |
| CN206171379U (en) | FSAE cycle racing energy -absorbing device | |
| CN106379263B (en) | A kind of bumper buffer structure | |
| Hapid et al. | The Crumple Zone Quality Enhancement of Electric Cars Bumper Fascia using a Carbon Fiber Reinforced Vinyl Ester–Microsphere Composites | |
| CN219029335U (en) | Anti-collision buffer device and vehicle-mounted equipment | |
| CN219214927U (en) | Protection device and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |