CN1421343A - Automobile collision guard method and energy-absorbing buffer - Google Patents
Automobile collision guard method and energy-absorbing buffer Download PDFInfo
- Publication number
- CN1421343A CN1421343A CN 02139876 CN02139876A CN1421343A CN 1421343 A CN1421343 A CN 1421343A CN 02139876 CN02139876 CN 02139876 CN 02139876 A CN02139876 A CN 02139876A CN 1421343 A CN1421343 A CN 1421343A
- Authority
- CN
- China
- Prior art keywords
- energy
- absorbing
- automobile
- absorbing cylinder
- collision
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000006378 damage Effects 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 description 15
- 230000001133 acceleration Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Landscapes
- Vibration Dampers (AREA)
Abstract
一种汽车碰撞防护方法，其特征在于它是在汽车上设置缓冲吸能装置，使汽车在即将发生碰撞前的瞬间增加缓冲吸能距离，通过该缓冲吸能装置的压溃变形以吸收较大的碰撞能量，从而降低碰撞对乘员和汽车造成的损伤。由上述方法设计的缓冲吸能装置是在汽车上装设吸能筒壳体，吸能筒套于其内，一端与保险杠连接，底端与推动装置相接，该推动装置固定在吸能筒壳体底端；在吸能筒后端，开设有一小孔，小孔中插入一可由电磁铁拔出之插销；在吸能筒壳体上，还设有限位杆，与弹簧连接，置于吸能筒壳体前端。本发明在汽车发生碰撞前，可主动将保险杠及缓冲吸能装置伸出汽车前以增加压溃变形距离，以控制碰撞作用力，实现了对汽车和乘员的双重保护。
An automobile collision protection method is characterized in that it is provided with a buffer energy-absorbing device on the automobile, so that the automobile increases the buffer energy-absorbing distance immediately before a collision, and absorbs a large amount of energy through the crush deformation of the buffer energy-absorbing device Collision energy, thereby reducing the damage to the occupants and the car caused by the collision. The buffer energy-absorbing device designed by the above method is to install an energy-absorbing cylinder shell on the car, and the energy-absorbing cylinder is sleeved in it, one end is connected with the bumper, and the bottom end is connected with the pushing device, and the pushing device is fixed on the energy-absorbing cylinder At the bottom of the shell; at the rear end of the energy-absorbing cylinder, there is a small hole, and a pin that can be pulled out by the electromagnet is inserted into the small hole; on the shell of the energy-absorbing cylinder, there is also a limit rod, which is connected with the spring and placed The front end of the shell of the energy-absorbing cylinder. Before the collision of the automobile, the invention can actively extend the bumper and the buffer energy-absorbing device in front of the automobile to increase the crushing deformation distance, so as to control the collision force and realize double protection for the automobile and the occupants.
Description
Technical field:
The present invention relates to the automotive safety means of defence, be specifically related to reduce when a kind of automobile bumps the method for automobile and occupant's degree of injury and according to this method and the design-calculated crash energy absorption equipment.
Background technology:
Along with society is more and more progressive, auto-industry are more and more development also, and the safety performance of automobile also becomes one of index that automobile designers and car owner comparatively pay close attention to.At present, used various impact protection apparatus on the automobile, as install bumper/spoiler and various crusherbull zone energy absorption devices etc. additional in the automobile front, for this crusherbull zone energy absorption device that is fixed on the automobile, to in the finite length that does not make vehicle body generation excessive deformation, absorb collision energy, its tampering action power is just inevitable very big, this be its supporting construction can not bear, can produce large impact to the occupant simultaneously; On the contrary, want to reduce tampering action power, just must increase deformation space, this is difficult to again accomplish on automobile is arranged.Therefore, the various impact protection apparatus that use on the automobile in the present prior art all are difficult to reach energy-absorbing effect well.When bumping, automobile is difficult to avoid suffering extensive damage, and simultaneously, the occupant also will be subjected to bigger impact load.
Summary of the invention:
Technical matters to be solved by this invention is how to make automobile avoid automobile to suffer extensive damage when bumping, and guarantees driver and conductor's safety simultaneously.
The present invention solves the problems of the technologies described above by following technical scheme.It is characterized in that it is that a crash energy absorption equipment is set on automobile, make the moment of automobile before being about to bump increase the buffering energy-absorbing distance, conquassation distortion by this crash energy absorption equipment to be absorbing bigger collision energy, thereby reduces the damage that collision causes occupant and automobile.The present invention has designed a crash energy absorption equipment by said method, it is characterized in that it is an installing energy-absorbing cylinder shell on automobile, the energy-absorbing jacket casing is in it, and this energy-absorbing tube one end is connected with bumper/spoiler, bottom and thrust unit join, and this thrust unit is fixed on energy-absorbing cylinder shell bottom; At the energy-absorbing tube rear end, offer an aperture, insert the latch that can extract by electromagnet in the aperture; On the energy-absorbing cylinder shell, also be provided with one or more position-limited levers, be connected with spring, place energy-absorbing cylinder shell front end.Thrust unit of the present invention can be spring or gas generating unit; The energy-absorbing tube is a thin-walled beam tube, and its cross sectional shape is cylindrical shape, square tube shape or other polygon tubular.
The present invention can be initiatively stretches out before the automobile bumper/spoiler and crash energy absorption equipment to increase the conquassation deformation distance before automobile will soon bump inevitably.When collision takes place,, reduced the damage of automobile itself and the load that the occupant bears to a great extent, thereby realized duplicate protection automobile and occupant because energy absorption device has bigger deformation space, thereby can control tampering action power effectively.Apparatus of the present invention structural framing is ingenious, simple, and cost is low, is with a wide range of applications.
Description of drawings:
Fig. 1 is a crash energy absorption equipment example structure scheme drawing of the present invention;
Fig. 2 is crash energy absorption equipment embodiment running condition figure of the present invention.
Among the figure:
The 1-position-limited lever; The 2-spring; The 3-electromagnet; The 4-latch;
The 5-bumper/spoiler; 6-energy-absorbing tube; 7-energy-absorbing cylinder shell; The 8-thrust unit;
9-auto body or longeron.
The specific embodiment:
In the automobile construction theory, the appropriate design of body structure is the very important link of vehicle safety design-calculated, and one of main safety method of frontal crash of vehicles is exactly to utilize the conquassation distortion of automotive front to absorb energy, alleviates crash acceleration.Body drawing in the past, in the time of guaranteeing that automobile bumps, front structure is wanted absorption Impact energy as much as possible, makes in the scope that the power that acts on the occupant and acceleration/accel drop to regulation; On the other hand, prevent rigid elements intrusion operator'ies compartment such as bearing circle, driving engine, change speed gear box again.These two aspects are mutual contradiction under certain vehicle commander's restriction, the latter is limited in the body forward structure deformation distance in the limited scope again, according to formula W=FS, when deformation distance S one timing, the energy W that absorbs is big more, then impact force F is big more, just can not reach the requirement of automotive safety rules.For solving above-mentioned contradiction, the present invention is provided with a crash energy absorption equipment in the auto body anterior locations, make the moment increase buffering energy-absorbing of automobile before collision apart from S, be out of shape to absorb bigger collision energy W by the conquassation of automotive front energy absorption device, with minimizing impact force F, thereby reduce the extent of damage of automobile and the impact that the occupant is subjected to.
The present invention has designed a crash energy absorption equipment according to said method, Fig. 1, Fig. 2 have showed Application Example of the present invention, as shown in the figure, it is installing one an energy-absorbing cylinder shell 7 on auto body or longeron 9, suit one thin-walled beam power absorbing tube 6 in this energy-absorbing cylinder shell 7, energy-absorbing tube 6 and energy-absorbing cylinder shell 7 cross sectional shapes can be designed to cylindrical shape, square tube shape or other polygon tubular, and this structure has intensity and energy-absorbing effect preferably.Energy-absorbing tube 6 one ends are connected with bumper/spoiler 5, bottom and thrust unit 8 join, this thrust unit 8 places in the energy-absorbing cylinder shell 7, between energy-absorbing tube 6 bottoms and energy-absorbing cylinder shell 7 bottoms, can energy-absorbing tube 6 be released outside the car in the moment that auto against takes place, bumper/spoiler 5 is stretched out forward, the distance between auto body front end and the bumper/spoiler 5 is increased, to increase the conquassation deformation distance of automotive front.Thrust unit 8 can be spring, or is gas generating unit (the thrust unit embodiment shown in the figure of the present invention is a spring), and the moment before auto against ignites, and the gas of generation promotes energy-absorbing tube 6 and moves.In energy-absorbing tube 6 rear ends, offer an aperture, can with the corresponding aperture fit of offering on the energy-absorbing cylinder shell 7, latch 4 places in this hole, can be by outside side placed on it and the electromagnet that links to each other with the electric-control system 3 dial-out holes.On energy-absorbing cylinder shell 7, also be provided with one or more position-limited levers 1, this position-limited lever 1 is connected with a spring 2, and these spring 2 normal conditions are pressured state, place energy-absorbing cylinder shell 7 front portions.As shown in Figure 1, under the automobile normal running state, energy-absorbing tube 6 is loaded in the energy-absorbing cylinder shell 7, in the hole that latch 4 insertion energy-absorbing cylinder shells 7 and energy-absorbing tube 6 are offered, energy-absorbing tube 6 is placed in the energy-absorbing cylinder shell 7, can not move.As shown in Figure 2, before automobile bumps, general chaufeur can be taked the emergency braking measure, produce very big acceleration/accel, electric-control system just can detect precarious position in real time, electromagnet 3 energisings, attract latch 4 to move up, make it break away from energy-absorbing tube 6 and energy-absorbing cylinder shell 7, at this moment, because thrust unit 8 effects, energy-absorbing tube 6 reaches the front of energy-absorbing cylinder shell 7 very soon under it promotes, simultaneously, the spring 2 that is in pressured state promotes position-limited lever 1 and moves, its end is extend into after the end of energy-absorbing tube 6, can not move backward to guarantee energy-absorbing tube 6.Like this, the protruding end portion of energy-absorbing tube 6 just can provide bigger energy-absorbing space, and during collision, the distortion of energy-absorbing tube 6 external part generation folds absorbs automobile kinetic energy, and automobile and occupant are protected.Adopt structure of the present invention, bigger energy-absorbing space can be provided, reduce crash acceleration, increase the distortion energy-absorbing, can guarantee occupant's living space again.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139876 CN1218851C (en) | 2002-12-26 | 2002-12-26 | Automobile collision guard method and energy-absorbing buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139876 CN1218851C (en) | 2002-12-26 | 2002-12-26 | Automobile collision guard method and energy-absorbing buffer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1421343A true CN1421343A (en) | 2003-06-04 |
| CN1218851C CN1218851C (en) | 2005-09-14 |
Family
ID=4750261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02139876 Expired - Fee Related CN1218851C (en) | 2002-12-26 | 2002-12-26 | Automobile collision guard method and energy-absorbing buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1218851C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776524B (en) * | 2008-11-27 | 2011-09-14 | 中国人民解放军第三军医大学野战外科研究所 | Combined thin-walled beam power absorbing method in trolley collision test |
| CN102837655A (en) * | 2012-07-31 | 2012-12-26 | 浙江大学 | Car bumper provided with energy absorption and pedestrian protection device |
| CN104707268A (en) * | 2013-12-12 | 2015-06-17 | 熊清远 | High-rise building safety lifting escape method and device |
| CN105216724A (en) * | 2015-10-20 | 2016-01-06 | 广东工业大学 | Buffer device for collision of automobile |
| CN107199986A (en) * | 2017-04-27 | 2017-09-26 | 江苏大学 | A kind of energy absorption device and method for child safety seat restraint strap |
| CN107323386A (en) * | 2017-07-13 | 2017-11-07 | 镇江市高等专科学校 | A kind of oversize vehicle impact attenuation device |
| CN109131189A (en) * | 2018-09-30 | 2019-01-04 | 重庆长安汽车股份有限公司 | A kind of active driver's right crus of diaphragm retention device and automobile |
| CN110682880A (en) * | 2019-10-24 | 2020-01-14 | 上海建极汽车服务有限公司 | Automobile collision buffer device based on magnetorheological technology and energy absorption buffering method |
| CN112026688A (en) * | 2020-08-03 | 2020-12-04 | 盐城工学院 | Automobile collision buffering energy-absorbing device |
| CN115626132A (en) * | 2022-09-05 | 2023-01-20 | 北京理工大学 | Buffering energy absorption device and control method thereof |
| CN119568061A (en) * | 2024-12-26 | 2025-03-07 | 岚图汽车科技有限公司 | Energy absorber structure and design method |
-
2002
- 2002-12-26 CN CN 02139876 patent/CN1218851C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776524B (en) * | 2008-11-27 | 2011-09-14 | 中国人民解放军第三军医大学野战外科研究所 | Combined thin-walled beam power absorbing method in trolley collision test |
| CN102837655A (en) * | 2012-07-31 | 2012-12-26 | 浙江大学 | Car bumper provided with energy absorption and pedestrian protection device |
| CN102837655B (en) * | 2012-07-31 | 2015-06-17 | 浙江大学 | Car bumper provided with energy absorption and pedestrian protection device |
| CN104707268A (en) * | 2013-12-12 | 2015-06-17 | 熊清远 | High-rise building safety lifting escape method and device |
| CN105216724B (en) * | 2015-10-20 | 2018-07-24 | 广东工业大学 | Buffer device for collision of automobile |
| CN105216724A (en) * | 2015-10-20 | 2016-01-06 | 广东工业大学 | Buffer device for collision of automobile |
| CN107199986A (en) * | 2017-04-27 | 2017-09-26 | 江苏大学 | A kind of energy absorption device and method for child safety seat restraint strap |
| CN107323386A (en) * | 2017-07-13 | 2017-11-07 | 镇江市高等专科学校 | A kind of oversize vehicle impact attenuation device |
| CN109131189A (en) * | 2018-09-30 | 2019-01-04 | 重庆长安汽车股份有限公司 | A kind of active driver's right crus of diaphragm retention device and automobile |
| CN110682880A (en) * | 2019-10-24 | 2020-01-14 | 上海建极汽车服务有限公司 | Automobile collision buffer device based on magnetorheological technology and energy absorption buffering method |
| CN110682880B (en) * | 2019-10-24 | 2023-03-21 | 上海建极汽车服务有限公司 | Automobile collision buffer device based on magnetorheological technology and energy absorption buffering method |
| CN112026688A (en) * | 2020-08-03 | 2020-12-04 | 盐城工学院 | Automobile collision buffering energy-absorbing device |
| CN115626132A (en) * | 2022-09-05 | 2023-01-20 | 北京理工大学 | Buffering energy absorption device and control method thereof |
| CN119568061A (en) * | 2024-12-26 | 2025-03-07 | 岚图汽车科技有限公司 | Energy absorber structure and design method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1218851C (en) | 2005-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3444138B1 (en) | Vehicle | |
| JP5382239B2 (en) | Automotive front structure | |
| CN104417484B (en) | Engine closure assembly for vehicle | |
| JP2002544060A (en) | Front bonnet structure | |
| CN101624067A (en) | Connecting device arranged in a motor vehicle and a method for controlling the same | |
| CN1421343A (en) | Automobile collision guard method and energy-absorbing buffer | |
| JPH11115680A (en) | Flip-up hood | |
| JP2013060189A (en) | Passive crash box used for vehicle and vanishing crash energy and vehicle having crash box | |
| JP6254857B2 (en) | Body front structure | |
| KR101855756B1 (en) | Steering column system for vehicle occupant safety | |
| US7165787B1 (en) | Safety device for motor-vehicle steering column and seat belts | |
| KR100916595B1 (en) | Composite Tube Shock Absorber for Rail Vehicles | |
| JP2004161109A (en) | Vehicle energy absorbing structure | |
| KR101154266B1 (en) | External air bag device for a vehicle | |
| CN201143956Y (en) | Steering mast energy-absorbing structure for automobile | |
| US20070102963A1 (en) | Underbody crash device for a vehicle | |
| CN205468913U (en) | Automobile collision protection device | |
| US7290812B2 (en) | Vehicle impact energy management system | |
| CN201015981Y (en) | Vehicle bumper | |
| CN2900256Y (en) | Air spring safety beam for vehicle | |
| KR100501237B1 (en) | Vehicle bumper for protecting pedestrian | |
| KR100348571B1 (en) | Impact reduction apparatus of crash pad | |
| JP2015096391A (en) | Body front structure | |
| EP2511159B1 (en) | A beam structure for a vehicle comprising a beam stress arrangement | |
| JP2019111943A (en) | Vehicle impact relaxation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050914 Termination date: 20101226 |