CN102700490B - Energy absorption and safety collision structure for car - Google Patents
Energy absorption and safety collision structure for car Download PDFInfo
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- CN102700490B CN102700490B CN201210196042.8A CN201210196042A CN102700490B CN 102700490 B CN102700490 B CN 102700490B CN 201210196042 A CN201210196042 A CN 201210196042A CN 102700490 B CN102700490 B CN 102700490B
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- soft steel
- dead soft
- collision
- steel damper
- force
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- 238000010521 absorption reaction Methods 0.000 title abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 238000013016 damping Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
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- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
Abstract
The invention provides an energy absorption and safety collision structure for a car, which can absorb collision energy to reduce energy transferred to a front fender restraint beam and a rear fender restraint beam due to collision so as to perform the dual functions of protecting the car and passengers. The energy absorption and safety collision structure comprises a car housing with the front fender restraint beam at the front end part, and is characterized in that a dead-soft steel damper is arranged between the front fender restraint beam and the front-end car housing corresponding to the front fender restraint beam, and is connected with the front fender restraint beam through a connecting part in a fastened way, the front end of the dead-soft steel damper is connected with one end of a force guide part, and the other end of the force guide part is clung to the inner wall of the front-end car housing corresponding to the front fender restraint beam.
Description
Technical field
The present invention relates to the technical field that auto against is installed, be specially a kind of automobile energy-absorbing safety collision structure.
Background technology
Due to the massive losses that car accedent causes, each developed country of the world has all made Compulsory Feature to Crash Safety Design of Vehicles, and has set up regulation separately.Side and the rear collision standard of implementation of China are at present, allow a hard and heavy obstacle with the speed of 50 kilometers/hour, clash into from the side or below static automobile, after collision, require the car door of vehicle to open, fuel oil is not revealed, test in car can not occur too large injury with dummy.Crash tests only has two kinds of results: " passing through " and " not passing through ".Also there is very large gap in this and external crash standards.
The Collision test of Japan is test the harshest in NCAP system at present, not only require vehicle in the time contacting with obstacle, to have sizable initial velocity, and tested vehicle should accept 100% head-on crash positive 40% offset collision again, this beyond doubt front deck energy absorption capacity and the rigidity two to vehicle the performance that seems contradiction has been proposed to higher requirement simultaneously.
At present also do not have good method to solve the problem of hard and soft contradiction.In the time that the front deck rigidity of vehicle is very strong, huge impulsive force can destroy the various organs of the body that sustains life physically, bring life danger to occupant, when the front deck rigidity of vehicle is very little, vehicle just easily deforms, can cause the damaged leakage of oil of driving engine and cause reducing of occupant space, these all can bring life danger to occupant.
Summary of the invention
For the problems referred to above, the invention provides a kind of automobile energy-absorbing safety collision structure, it can absorb collision energy, makes collision pass to the energy of front/rear anti-collision rail little, thereby reaches protection vehicle and occupant's dual-use function.
A kind of automobile energy-absorbing safety collision structure, its technical scheme is such: it comprises carbody shell, the leading section of described car body is provided with front anti-collision beam, it is characterized in that: between described front anti-collision beam, its corresponding front end carbody shell, be provided with dead soft steel damper, described dead soft steel damper is fastenedly connected described front anti-collision beam by attaching parts, the front end of described dead soft steel damper connects the one end of leading power part, described in lead power part the other end be close to the inwall of the corresponding front end carbody shell of described front anti-collision beam.
It is further characterized in that: it also can be applicable to back buffer beam for automobile, between described back buffer beam, its corresponding rear end carbody shell, be provided with dead soft steel damper, described dead soft steel damper is fastenedly connected described back buffer beam by attaching parts, the rear end of described dead soft steel damper connects the one end of leading power part, described in lead power part the other end be close to the inwall of the corresponding rear end of described back buffer beam carbody shell;
Described dead soft steel damper is specially shearing-type dead soft steel damper;
Described shearing-type dead soft steel damper is specially first shear plate to a direction prestrain, afterwards shear plate is placed between the object that is subject to force direction of prestrain opposite direction;
The material of described dead soft steel damper is specially the dead soft steel material of stretch ratio more than 40%;
The shape of the shearing-type panel of described dead soft steel damper is specially rhombus, rectangle, circular arc, floor type;
Described rhombus shearing-type panel is fixed by one side of rectangle, stretched by shearing force and forms;
Described in monolithic, dead soft steel damper forms one group of damping structure, described in monolithic, a side of dead soft steel damper is led the force transfer end of power part described in being fastenedly connected with, the inwall of the corresponding carbody shell of described front anti-collision beam or back buffer beam is close in the force side of the described power of leading part, described in monolithic, dead soft steel resistance opposite side exposed face is fastenedly connected with described attaching parts, described attaching parts is specially adapter plate, and described adapter plate is fastenedly connected described front anti-collision beam or back buffer beam;
Two described dead soft steel dampers form one group of damping structure, described in being fastenedly connected with, the middle junction of two described dead soft steel dampers leads the force transfer end of power part, the inwall of the corresponding carbody shell of described front anti-collision beam or back buffer beam is close in the force side of the described power of leading part, two described dead soft steel dampers form one group of both sides exposed face after damping structure and are fastenedly connected with respectively described attaching parts, described attaching parts is specially adapter plate, and described adapter plate is fastenedly connected described front anti-collision beam or back buffer beam;
The described power of leading part is specially single force rod, and the inwall of the corresponding carbody shell of described front anti-collision beam or back buffer beam is close in the force side of described force rod, and the force transfer end of described force rod is anchored on the middle junction of two described dead soft steel dampers;
The described power of leading part is specially force block, described force block comprises the force transfer end of evagination, the bearing surface of described force block is close to the inwall of the corresponding carbody shell of described front anti-collision beam or back buffer beam, and the force transfer end of the evagination of described force block is anchored on respectively a side of dead soft steel damper described in its corresponding monolithic.
Adopt after the present invention; it can be lived before back buffer beam produces hard collision and just utilize dead soft steel damper effectively to absorb energy at front anticollision beam of automobile; reduce the speed of a motor vehicle; make collision pass to the energy of front/rear anti-collision rail little; and then the protection safety of vehicle structure and occupant's safety, thereby reach the dual-use function of protecting vehicle and occupant.
Brief description of the drawings
Fig. 1 is the front view structural representation of specific embodiments of the invention one;
Fig. 2 is dead soft steel damper, the front anti-collision beam of specific embodiments of the invention one, the installation birds-eye view structural representation of its corresponding front end carbody shell;
Fig. 3 is the dead soft steel damper of specific embodiments of the invention one, the installation left view structural representation of front anti-collision beam;
Fig. 4 is the front view structural representation of specific embodiments of the invention two;
Fig. 5 is dead soft steel damper, the front anti-collision beam of specific embodiments of the invention two, the installation birds-eye view structural representation of its corresponding front end carbody shell;
Fig. 6 is dead soft steel damper, the front anti-collision beam of specific embodiments of the invention two, the installation left view structural representation of its corresponding front end carbody shell;
Fig. 7 is the constructional drawing that the shape of shearing-type panel is specially rhombus;
Fig. 8 is the constructional drawing that the shape of shearing-type panel is specially rectangle;
Fig. 9 is the constructional drawing that the shape of shearing-type panel is specially circular arc;
Figure 10 is the constructional drawing that the shape of shearing-type panel is specially floor type.
Detailed description of the invention
It comprises carbody shell 1, the leading section of car body is provided with front anti-collision beam 2, between front anti-collision beam 2, its corresponding front end carbody shell 3, be provided with dead soft steel damper 4, dead soft steel damper 4 is fastenedly connected front anti-collision beam 2 by attaching parts, the front end of dead soft steel damper 4 connects the one end of leading power part, and the other end of leading power part is close to the inwall of the corresponding front end carbody shell 3 of front anti-collision beam 2.It also comprises back buffer beam 5, between back buffer beam 5, its corresponding rear end carbody shell 6, be provided with dead soft steel damper 4, dead soft steel damper 4 is fastenedly connected back buffer beam 5 by attaching parts, the rear end of dead soft steel damper 4 connects the one end of leading power part, and the other end of leading power part is close to the inwall of the corresponding rear end of back buffer beam 5 carbody shell 6; Dead soft steel damper 4 is specially shearing-type dead soft steel damper; Shearing-type dead soft steel damper is specially first shear plate to a direction prestrain, afterwards shear plate is placed between the object that is subject to force direction of prestrain opposite direction; The material of dead soft steel damper 4 is specially the dead soft steel material of stretch ratio more than 40%; The shape of the shearing-type panel of dead soft steel damper 4 is specially rhombus, rectangle, circular arc, floor type, sees Fig. 7, Fig. 8, Fig. 9, Figure 10.
Specific embodiment one, see Fig. 1, Fig. 2, Fig. 3: two dead soft steel dampers 4 form one group of damping structure, the middle junction of two dead soft steel dampers 4 is fastenedly connected with the force transfer end of leading power part, the inwall of the corresponding carbody shell of front anti-collision beam 2 or back buffer beam 5 is close in the force side of leading power part part, two dead soft steel dampers 4 form one group of both sides exposed face after damping structure and are fastenedly connected with respectively attaching parts, attaching parts is specially adapter plate 7, and adapter plate 7 is fastenedly connected front anti-collision beam 2 or back buffer beam 5; The power part of leading is specially single force rod 8, and the inwall of the corresponding carbody shell of front anti-collision beam 2 or back buffer beam 5 is close in the force side of force rod 8, and the force transfer end of force rod 8 is anchored on the middle junction of two dead soft steel dampers 4;
Specific embodiment two, see Fig. 4, Fig. 5, Fig. 6: monolithic dead soft steel damper 4 forms one group of damping structure, one side of monolithic dead soft steel damper 4 is fastenedly connected with the force transfer end of leading power part, the inwall of the corresponding carbody shell of front anti-collision beam 2 or back buffer beam 5 is close in the force side of leading power part, monolithic dead soft steel resistance opposite side exposed face is fastenedly connected with attaching parts, attaching parts is specially adapter plate 7, and adapter plate 7 is fastenedly connected front anti-collision beam 2 or back buffer beam 5; The power part of leading is specially force block 9, force block 9 comprises the force transfer end 10 of evagination, the bearing surface 11 of force block 9 is close to the inwall of the corresponding carbody shell of front anti-collision beam 2 or back buffer beam 5, and the force transfer end 10 of the evagination of force block 9 is anchored on respectively a side of its corresponding monolithic dead soft steel damper.
Claims (9)
1. an automobile energy-absorbing safety collision structure, it comprises carbody shell, the leading section of described car body is provided with front anti-collision beam, it is characterized in that: between described front anti-collision beam, its corresponding front end carbody shell, be provided with dead soft steel damper, described dead soft steel damper is fastenedly connected described front anti-collision beam by attaching parts, the front end of described dead soft steel damper connects the one end of leading power part, described in lead power part the other end be close to the inwall of the corresponding front end carbody shell of described front anti-collision beam; Described in monolithic, dead soft steel damper forms one group of damping structure, described in monolithic, a side of dead soft steel damper is led the force transfer end of power part described in being fastenedly connected with, the inwall of the corresponding carbody shell of described front anti-collision beam or back buffer beam is close in the force side of the described power of leading part, described in monolithic, dead soft steel resistance opposite side exposed face is fastenedly connected with described attaching parts, described attaching parts is specially adapter plate, and described adapter plate is fastenedly connected described front anti-collision beam or back buffer beam.
2. a kind of automobile energy-absorbing safety collision structure according to claim 1, it is characterized in that: it also can be applicable to back buffer beam for automobile, between described back buffer beam, its corresponding rear end carbody shell, be provided with dead soft steel damper, described dead soft steel damper is fastenedly connected described back buffer beam by attaching parts, the rear end of described dead soft steel damper connects the one end of leading power part, described in lead power part the other end be close to the inwall of the corresponding rear end of described back buffer beam carbody shell.
3. a kind of automobile energy-absorbing safety collision structure according to claim 1 and 2, is characterized in that: described dead soft steel damper is specially shearing-type dead soft steel damper.
4. a kind of automobile energy-absorbing safety collision structure according to claim 3, it is characterized in that: described shearing-type dead soft steel damper is specially first shear plate to a direction prestrain, afterwards shear plate is placed between the object that is subject to force direction of prestrain opposite direction.
5. a kind of automobile energy-absorbing safety collision structure according to claim 1 and 2, is characterized in that: the material of described dead soft steel damper is specially the dead soft steel material of stretch ratio more than 40%.
6. a kind of automobile energy-absorbing safety collision structure according to claim 1 and 2, is characterized in that: the shape of the shearing-type panel of described dead soft steel damper is specially rhombus, rectangle, circular arc, floor type.
7. a kind of automobile energy-absorbing safety collision structure according to claim 1 and 2, it is characterized in that: two described dead soft steel dampers form one group of damping structure, described in being fastenedly connected with, the middle junction of two described dead soft steel dampers leads the force transfer end of power part, the inwall of the corresponding carbody shell of described front anti-collision beam or back buffer beam is close in the force side of the described power of leading part, two described dead soft steel dampers form one group of both sides exposed face after damping structure and are fastenedly connected with respectively described attaching parts, described attaching parts is specially adapter plate, described adapter plate is fastenedly connected described front anti-collision beam or back buffer beam.
8. a kind of automobile energy-absorbing safety collision structure according to claim 7, it is characterized in that: described in lead power part and be specially single force rod, the inwall of the corresponding carbody shell of described front anti-collision beam or back buffer beam is close in the force side of described force rod, and the force transfer end of described force rod is anchored on the middle junction of two described dead soft steel dampers.
9. a kind of automobile energy-absorbing safety collision structure according to claim 1, it is characterized in that: described in lead power part and be specially force block, described force block comprises the force transfer end of evagination, the bearing surface of described force block is close to the inwall of the corresponding carbody shell of described front anti-collision beam or back buffer beam, and the force transfer end of the evagination of described force block is anchored on respectively a side of dead soft steel damper described in its corresponding monolithic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196042.8A CN102700490B (en) | 2012-06-14 | 2012-06-14 | Energy absorption and safety collision structure for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196042.8A CN102700490B (en) | 2012-06-14 | 2012-06-14 | Energy absorption and safety collision structure for car |
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| Publication Number | Publication Date |
|---|---|
| CN102700490A CN102700490A (en) | 2012-10-03 |
| CN102700490B true CN102700490B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210196042.8A Active CN102700490B (en) | 2012-06-14 | 2012-06-14 | Energy absorption and safety collision structure for car |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943636A (en) * | 2014-03-28 | 2015-09-30 | 江南大学 | Crash box for secondary collision of automobile |
| CN106427850A (en) * | 2016-12-02 | 2017-02-22 | 李扬扬 | Anti-collision beam, control system thereof and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964087Y (en) * | 2006-11-07 | 2007-10-24 | 湖南大学 | Cascade energy absorber for vehicle collision |
| CN201026851Y (en) * | 2007-03-06 | 2008-02-27 | 湖北省安防科技研究中心 | Safety protection device of motor vehicle |
| CN201962817U (en) * | 2010-11-18 | 2011-09-07 | 上海路博橡胶减振器技术有限公司 | Energy dissipation shock-absorbing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5009068B2 (en) * | 2007-07-06 | 2012-08-22 | 本田技研工業株式会社 | Car body rear structure |
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2012
- 2012-06-14 CN CN201210196042.8A patent/CN102700490B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964087Y (en) * | 2006-11-07 | 2007-10-24 | 湖南大学 | Cascade energy absorber for vehicle collision |
| CN201026851Y (en) * | 2007-03-06 | 2008-02-27 | 湖北省安防科技研究中心 | Safety protection device of motor vehicle |
| CN201962817U (en) * | 2010-11-18 | 2011-09-07 | 上海路博橡胶减振器技术有限公司 | Energy dissipation shock-absorbing device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2009-12676A 2009.01.22 |
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| CN102700490A (en) | 2012-10-03 |
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Effective date of registration: 20200923 Address after: Room 1,020, Nanxun Science and Technology Pioneering Park, No. 666 Chaoyang Road, Nanxun District, Huzhou City, Zhejiang Province, 313000 Patentee after: Huzhou You Yan Intellectual Property Service Co.,Ltd. Address before: No. 1800 road 214000 Jiangsu Lihu Binhu District City of Wuxi Province Patentee before: Jiangnan University |
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Effective date of registration: 20211123 Address after: 401254 No. 92, Donglin Avenue, Biquan street, Bishan District, Chongqing (plant 52) Patentee after: Chongqing high tech Industry Research Institute Co.,Ltd. Address before: 313000 room 1020, science and Technology Pioneer Park, 666 Chaoyang Road, Nanxun Town, Nanxun District, Huzhou, Zhejiang. Patentee before: Huzhou You Yan Intellectual Property Service Co.,Ltd. |
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Effective date of registration: 20231225 Address after: No. 71 Longqing Road, Qinggang Street, Bishan District, Chongqing, 400000 (Factory Building 1) Patentee after: Chongqing Zhongqing Gear Co.,Ltd. Address before: 401254 No. 92, Donglin Avenue, Biquan street, Bishan District, Chongqing (plant 52) Patentee before: Chongqing high tech Industry Research Institute Co.,Ltd. |
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