CN101646583B - Crash box for an automobile - Google Patents
Crash box for an automobile Download PDFInfo
- Publication number
- CN101646583B CN101646583B CN2008800074629A CN200880007462A CN101646583B CN 101646583 B CN101646583 B CN 101646583B CN 2008800074629 A CN2008800074629 A CN 2008800074629A CN 200880007462 A CN200880007462 A CN 200880007462A CN 101646583 B CN101646583 B CN 101646583B
- Authority
- CN
- China
- Prior art keywords
- crash box
- box element
- strengthening rib
- present
- automobile
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R2019/262—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means with means to adjust or regulate the amount of energy to be absorbed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vibration Dampers (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a crash box for a vehicle, which may be prevented in deformation in the expansion direction in case of collision and reduce deformation against shock, thereby improving not only durability of a bumper but also safety of a vehicle on the whole. The crash box of the present invention includes a crash box element mounted between a back beam and a side member for absorbing shock in the case of collision and formed in the shape of a hollow corrugation pipe with repeated peaks and valleys, and expansion-preventing reinforcement ribs joined to positions of the valleys of the crash box element to be fixed in the crash box element.
Description
Technical field
The present invention relates to automobile-used crash box, can prevent this crash box in the distortion of case of collision lower edge direction of extension, and can reduce the shock resistance distortion, thereby not only improve the durability of bumper/spoiler, but also improve the safety of whole vehicle.
Background technology
Usually,, be used to be absorbed in the impact energy that is applied to vehicle body portion under the case of collision, thereby promote occupant's safety at the office, front and rear part of vehicle erection insurance thick stick.
Bumper/spoiler comprises: bumper arm, and this safety lever carriage connects with car body by bolt; Center beam of bumper, this center beam of bumper connects with an end of bumper arm by welding; Bumper, this bumper is attached to the outside face of center beam of bumper, is applied to the impact energy of car body with absorption; And bumper/spoiler lid, this bumper/spoiler lid is installed to car body with around described bumper, and is exposed to outside vehicle.
Crash box be installed in that insurance is shouldered and vehicle body frame between, under the situation of low speed collision, absorb impacting, thereby make the damage minimum of vehicle.
As shown in Figure 6, the crash box of prior art forms hollow bellows form to be withdrawn under case of collision, to absorb the impact of collision.Recently, the crash survivability of vehicle and the structure of protection peripheral elements have been proposed to be used to guarantee.
Form the shape of hollow bellows as the crash box of above-mentioned prior art, thereby under the situation of colliding, absorb impact energy immediately.Therefore, described crash box ruptures easily, or produces big thrust, thereby can damage vehicle easily.
Also promptly, absorbing by crash box in the process of impacting, absorb the weak effect that impacts, thereby side component can be depressed, perhaps bellows deformable is for example stretched.Therefore, the durability of whole locomotive body and occupant's deterioration of safety.
Summary of the invention
Technical matters
Therefore, the present invention is intended to solve above-mentioned and any other shortcoming of prior art.
According to an object of the present invention is to provide a kind of automobile-used crash box, the anti-deformation element wherein is installed in described crash box, be out of shape along direction of extension to prevent described crash box, to disperse more effectively and to reduce impact energy under the collision situation.
Provide a kind of automobile-used crash box according to another object of the present invention, it can prevent the distortion of the peripheral part of described crash box.
Provide a kind of automobile-used crash box according to a further object of the present invention, it can make the effect maximum that the absorption of described crash box is impacted with simple relatively structure, thereby makes the reliability and the safety maximum of described crash box.
Technical scheme
In order to realize aforementioned purpose, according to the present invention, a kind of automobile-used crash box comprises: crash box element, this crash box element are installed between the back rest and the side component, be used under case of collision absorbing and impact, this crash box element forms the shape of the hollow bellows of peak with repetition and paddy; And the anti-strengthening rib that stretches, this anti-strengthening rib that stretches is assembled in the described crash box element, and is fixedly connected to the position of the described paddy of described crash box element.
Therefore, described anti-stretching, extension strengthening rib is installed in the position of the described paddy in the described crash box element, to prevent the moderate finite deformation and the damage of described crash box element in the situation lower edge direction of extension of bump.
In addition, disperse with described crash box element and alleviate the collision energy that is applied to described crash box element by described anti-stretching, extension strengthening rib, thereby can improve the overall durability and the safety of vehicle.
Beneficial effect
As mentioned above, according to the present invention, described crash box not only absorbs the impact energy that is applied to this crash box, and prevents moderate finite deformation along direction of extension by simple relatively structure.
Therefore, can improve the safety and the durability of car body.
In addition, a plate is installed between described side component and described crash box element, is used to prevent described side component distortion.
Therefore, can advantageously improve the reliability of vehicle and occupant's safety.
Description of drawings
To more be expressly understood purpose of the present invention, feature and advantage from following detailed description in conjunction with the accompanying drawings.
Fig. 1 is an exploded perspective view of representing wherein to install the vehicle structure of crash box according to the present invention;
Fig. 2 is the exploded perspective view of expression according to the structure of automobile-used crash box of the present invention, and wherein anti-stretching, extension strengthening rib is installed in the crash box element;
Fig. 3 is the exploded perspective view of expression according to automobile-used crash box of the present invention, wherein is equipped with in box element insertion this crash box element as impact-absorbing element of anti-stretching, extension strengthening rib;
Fig. 4 is the amplification view of expression according to the major part of automobile-used crash box of the present invention, and the wherein anti-strengthening rib that stretches is installed between the described paddy in the crash box element, and at the place, rear portion of crash box element one plate is installed;
Fig. 5 is the amplification view of expression according to the major part of automobile-used crash box of the present invention, and wherein anti-stretching, extension strengthening rib is installed in the crash box element that forms bellows form;
Fig. 6 is the expansion cutaway view of major part of the crash box of expression prior art;
Fig. 7 represents to be illustrated in respectively the numerical curve figure that the bump in the Collision test that the crash box of crash box of the present invention and prior art is carried out changes; And
Fig. 8 represents to be illustrated in respectively the numerical curve figure of the load change curves in the Collision test that the crash box of crash box of the present invention and prior art is carried out.
The specific embodiment
Now, structure and operation thereof according to automobile-used crash box of the present invention are described with reference to the accompanying drawings in further detail.
Fig. 1 is that the exploded perspective view of the vehicle structure of crash box is according to the preferred embodiment of the present invention adopted in expression.
Fig. 2 is the exploded perspective view of expression according to the structure of automobile-used crash box of the present invention, and wherein, the anti-strengthening rib that stretches is installed between the paddy of crash box element vertically in crash box element.
Fig. 3 is the exploded perspective view of expression according to automobile-used crash box of the present invention, wherein, is equipped with in the crash box element of box element insertion as impact-absorbing element of anti-stretching, extension strengthening rib.
Fig. 4 is the amplification view of expression according to the major part of automobile-used crash box of the present invention, and wherein, the anti-strengthening rib that stretches is installed between the paddy of crash box element in crash box element, and at the place, rear portion of crash box element one plate is installed;
Fig. 5 is the amplification view of expression according to automobile-used crash box major part of the present invention, and wherein, the anti-strengthening rib that stretches is installed in the crash box element that is bellows form;
Fig. 6 is the expansion cutaway view of major part of the crash box of expression prior art;
Fig. 7 and Fig. 8 represent to be illustrated in respectively that bump in the Collision test that the crash box of crash box of the present invention and prior art is carried out changes and the numerical curve figure of load change curves.
Extremely shown in Figure 6 as Fig. 1, automobile-used collision box element 20 according to the present invention with crash box element 20 in paddy 22 cooresponding positions be equipped with vertically and anti-stretch strengthening rib 31, thereby can prevent that under case of collision crash box element 20 is along the direction of extension distortion with damage.
The anti-strengthening rib 31 that stretches is installed in the crash box element 20, and wherein, anti-stretching, extension strengthening rib 31 is fixed on the paddy 22 cooresponding positions with crash box element 20.
The anti-strengthening rib 31 that stretches is formed by high-intensity engineering plastics and nylon resin material, and wherein, anti-stretching, extension strengthening rib 31 repeatedly is installed in paddy 22 cooresponding each position with crash box element 20, as shown in Figure 4.
At this moment, the anti-strengthening rib 31 that stretches is installed in each paddy 22 place vertically, and preventing stretching filling adhesive between strengthening rib 31 and the paddy 22, so that they are bonded together.
In addition, the anti-strengthening rib 31 that stretches absorbs impact energy with crash box element 20, to strengthen the impact absorption effect.
Fig. 7 and Fig. 8 represent to illustrate the numerical curve figure of bump dispersion effect.
Anti-stretch strengthening rib 31 can be adhered to respectively with crash box element 20 in paddy 22 cooresponding positions, and can by with box element 32 around the outside of anti-stretching, extension strengthening rib 31 each other one become element shapes, as Fig. 3 and shown in Figure 5.
Also promptly, anti-stretch strengthening rib 31 with crash box element 20 in the interval identical distance of paddy 22 arrange vertically, and encompassed unit construction, to make things convenient for its manufacturing and erection work by box element 32.
The anti-strengthening rib 31 that stretches has strengthened the intensity of crash box element 20, thereby improves the impact resistance power of crash box element 20.
With reference to Fig. 7, curve A represents that the bump when the anti-stretching, extension of installation strengthening rib 31 in crash box element 20 changes, and curve B is represented the bump variation when installation is prevented stretching strengthening rib 31 in crash box element 20, wherein, curve A represents that the ram ratio curve B obviously reduces, and is therefore stable than curve B.
Fig. 8 represents load change curves.With reference to Fig. 8, curve A is represented the load change curves when the anti-stretching, extension of installation strengthening rib 31 in crash box element 20, curve B is represented the load change curves when installation is prevented stretching strengthening rib 31 in crash box element 20, wherein, curve A represents that load variations reduces than curve B is obvious, and is therefore stable than curve B.
As shown in Figure 4 and Figure 5, between crash box element 20 and side component 12, brace panel 40 is installed also, thereby can be prevented the front end edge direction of extension distortion of the far-end and the side component 12 of crash box element 20.
Brace panel 40 is positioned between crash box element 20 and the side component 12, and connects with crash box element 20 and side component 12 by screw bolt and nut.
As indicated above, can prevent the peripheral part distortion according to crash box element of the present invention, therefore not only improve the durability and the safety of crash box self, and improve the durability and the safety of whole locomotive body.
Though carried out above stated specification with reference to preferred implementation, should be understood that those of ordinary skills can make changes and modifications the present invention, and do not break away from the spirit and scope of the present invention and claims.
Claims (3)
1. automobile-used crash box, this crash box comprises:
Crash box element, this crash box element is installed between the back rest and the side component, be used under case of collision absorbing impacting, and this crash box element forms the shape of the hollow bellows of peak with repetition and paddy; And
The anti-strengthening rib that stretches, this anti-stretching, extension strengthening rib is fixed to the position of the described paddy of described crash box element, to be fixed in the described crash box element.
2. crash box according to claim 1, wherein, box element is around the external component of described anti-stretching, extension strengthening rib.
3. crash box according to claim 1 and 2 wherein, is installed a plate between described crash box element and described side component.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2007-0022611 | 2007-03-07 | ||
| KR1020070022611A KR100813160B1 (en) | 2007-03-07 | 2007-03-07 | The crash box used a car |
| KR1020070022611 | 2007-03-07 | ||
| PCT/KR2008/001305 WO2008108598A1 (en) | 2007-03-07 | 2008-03-07 | Crash box for an automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101646583A CN101646583A (en) | 2010-02-10 |
| CN101646583B true CN101646583B (en) | 2011-07-06 |
Family
ID=39410589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800074629A Expired - Fee Related CN101646583B (en) | 2007-03-07 | 2008-03-07 | Crash box for an automobile |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR100813160B1 (en) |
| CN (1) | CN101646583B (en) |
| DE (1) | DE112008000555B4 (en) |
| WO (1) | WO2008108598A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619539A (en) * | 2012-03-29 | 2012-08-01 | 辽宁工程技术大学 | Mining fast energy absorption erosion prevention yielding component |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100984401B1 (en) | 2008-05-02 | 2010-09-29 | 지엠대우오토앤테크놀로지주식회사 | Front end lower stiffner maximizable the protection function and an automobile having thereof |
| KR200466946Y1 (en) | 2009-01-05 | 2013-05-15 | 대우조선해양 주식회사 | Bulbous bow capable of pivoting |
| KR101091212B1 (en) * | 2009-12-02 | 2011-12-07 | 주식회사 포스코 | Automotive bumper rail |
| CN101857001B (en) * | 2010-05-28 | 2013-02-06 | 凌云工业股份有限公司 | Small car front bumper with significant energy-absorbing effect |
| KR101313667B1 (en) * | 2011-11-04 | 2013-10-02 | 한화엘앤씨 주식회사 | Crash box having low weight and improved impact absorbtion ability |
| CN102606177B (en) * | 2012-03-28 | 2014-05-14 | 北京诚田恒业煤矿设备有限公司 | Hydraulic prop for hydraulic support system |
| CN102582546B (en) * | 2012-04-09 | 2014-07-16 | 黄玉兰 | Front safety girder and rear safety girder capable of realizing rigidity and flexibility combined efficient buffering energy absorption |
| KR101382334B1 (en) * | 2012-07-16 | 2014-04-08 | 현대자동차 주식회사 | Collision energy absorption structure of vehicle |
| KR101427921B1 (en) | 2012-09-03 | 2014-08-11 | 현대자동차 주식회사 | Impact absorbing device for vehicle |
| CN105270475A (en) * | 2015-11-02 | 2016-01-27 | 重庆至信实业有限公司 | Front anti-collision beam of automobile |
| CN105270474A (en) * | 2015-11-02 | 2016-01-27 | 重庆至信实业有限公司 | Front anti-collision beam assembly of automobile |
| US10308201B2 (en) * | 2017-10-19 | 2019-06-04 | GM Global Technology Operations LLC | Vehicle body structure |
| US10518811B2 (en) | 2018-01-18 | 2019-12-31 | Honda Motor Co., Ltd. | Front side frame member for a vehicle front frame assembly |
| EP3760491A1 (en) * | 2019-07-02 | 2021-01-06 | Constellium Singen GmbH | Crash box containing a deformable element to extend the capacity of a crash box to absorb impact energy |
| CN110307018B (en) * | 2019-07-16 | 2024-03-29 | 北京诚田恒业煤矿设备有限公司 | Non-uniform wall thickness constant resistance energy absorbing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH689638A5 (en) * | 1995-04-13 | 1999-07-30 | Alusuisse Lonza Services Ag | Bumper for road vehicle |
| CN2344227Y (en) * | 1998-10-20 | 1999-10-20 | 谷绍斌 | Corrugated pneumatic bumper for car |
| EP0888953B1 (en) * | 1997-06-30 | 2002-07-24 | Mazda Motor Corporation | Front body structure for vehicle |
| US6595502B2 (en) * | 2000-10-30 | 2003-07-22 | Bayer Aktiengesellschaft | Bumper system for vehicles |
| CN1807156A (en) * | 2005-01-19 | 2006-07-26 | 马自达汽车株式会社 | Bumper structure for vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3508633A (en) * | 1967-05-17 | 1970-04-28 | Nissan Motor | Plastically deformable impact absorbing means for vehicles |
| KR970074352A (en) * | 1996-05-14 | 1997-12-10 | 김영귀 | Bumper shock absorber structure of automobile |
| KR20030045512A (en) * | 2001-12-04 | 2003-06-11 | 현대자동차주식회사 | Shock Absorption Structure of Front Side Member |
| JP4175306B2 (en) * | 2003-09-18 | 2008-11-05 | 株式会社デンソー | Tire pressure monitoring system |
| KR20050112342A (en) * | 2004-05-25 | 2005-11-30 | 현대모비스 주식회사 | Crash-box of automobile |
| JP2007000977A (en) * | 2005-06-24 | 2007-01-11 | Sumitomo Electric Hardmetal Corp | Burnishing tool and burnishing method using the same |
-
2007
- 2007-03-07 KR KR1020070022611A patent/KR100813160B1/en not_active IP Right Cessation
-
2008
- 2008-03-07 WO PCT/KR2008/001305 patent/WO2008108598A1/en active Application Filing
- 2008-03-07 CN CN2008800074629A patent/CN101646583B/en not_active Expired - Fee Related
- 2008-03-07 DE DE112008000555T patent/DE112008000555B4/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH689638A5 (en) * | 1995-04-13 | 1999-07-30 | Alusuisse Lonza Services Ag | Bumper for road vehicle |
| EP0888953B1 (en) * | 1997-06-30 | 2002-07-24 | Mazda Motor Corporation | Front body structure for vehicle |
| CN2344227Y (en) * | 1998-10-20 | 1999-10-20 | 谷绍斌 | Corrugated pneumatic bumper for car |
| US6595502B2 (en) * | 2000-10-30 | 2003-07-22 | Bayer Aktiengesellschaft | Bumper system for vehicles |
| CN1807156A (en) * | 2005-01-19 | 2006-07-26 | 马自达汽车株式会社 | Bumper structure for vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619539A (en) * | 2012-03-29 | 2012-08-01 | 辽宁工程技术大学 | Mining fast energy absorption erosion prevention yielding component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101646583A (en) | 2010-02-10 |
| DE112008000555B4 (en) | 2013-03-28 |
| WO2008108598A1 (en) | 2008-09-12 |
| DE112008000555T5 (en) | 2010-01-07 |
| KR100813160B1 (en) | 2008-03-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20170307 |
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| CF01 | Termination of patent right due to non-payment of annual fee |