CN1421343A - Automobile collision guard method and energy-absorbing buffer - Google Patents
Automobile collision guard method and energy-absorbing buffer Download PDFInfo
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- 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
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Abstract
The automobile collision guard method is that on the automobile, energy absorbing buffer is installed to increase the energy-absorbing buffering distance just before the collision. The energy-absorbing buffer absorbs great collision energy via crushing and deformation so as to reduce the damage caused by collision to rider and the automobile. The energy-absorbing buffer includes one energy-absorbing tube inside one casing and connected to the bumper in its one end, one pushing unit fixed to the other end of the energy-absorbing tube casing; one bolt inserted into one hole in the back end of the energy-absorbing tube and capable of being withdrawn by one electromagnetic; and one limiting rod connected to a spring and set in the front end of the energy-absorbing tube.
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)
1, a kind of auto against means of defence, 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.
2, a kind of by the designed crash energy absorption equipment of claim 1, 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.
3, crash energy absorption equipment according to claim 2 is characterized in that thrust unit is spring or gas generating unit.
4, according to claim 2 or 3 described crash energy absorption equipments, it is characterized in that the energy-absorbing tube is a thin-walled beam tube, its cross sectional shape is cylindrical shape, square tube shape or other polygon tubular.
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 |
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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 |
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| CN (1) | CN1218851C (en) |
Cited By (10)
| 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 |
-
2002
- 2002-12-26 CN CN 02139876 patent/CN1218851C/en not_active Expired - Fee Related
Cited By (13)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1218851C (en) | 2005-09-14 |
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Granted publication date: 20050914 Termination date: 20101226 |