CN1605508A - Pedestrian bumping protection device - Google Patents
Pedestrian bumping protection device Download PDFInfo
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- CN1605508A CN1605508A CN 200310111727 CN200310111727A CN1605508A CN 1605508 A CN1605508 A CN 1605508A CN 200310111727 CN200310111727 CN 200310111727 CN 200310111727 A CN200310111727 A CN 200310111727A CN 1605508 A CN1605508 A CN 1605508A
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Abstract
The pedestrian collision protector for automobile includes rod inside bumper and through pipe on the bumper, push rod on the L-shaped back leg welded to the engine hood, hinge with slot, D-shaped plate with slot for the L-shaped front leg of the engine hood to be clamped in, fixed pipes on the upper end of light rod on the two sides of the automobile, springs with one end on the fixed pipe and the other end on the light rod, buffering energy-absorbing net with two upper corners fixed onto the light rods, solenoid valve with iron core stretched into hole of the inner engine hood plate, and passive infrared detector in the cab to control the solenoid valve and air bag before the wind screen. The present invention can reduce the probability of collision of pedestrian to the automobile and buffer the collision to pedestrian without affecting the opening of the engine hood.
Description
Affiliated technical field
The present invention relates to a kind of passive anticollision device, particularly relate to the pedestrian impact fender guard on a kind of automobile.
Technical background
The passive anticollision device of protecting about pedestrian impact on the present automobile; the damp impacts effect is installed preferably on the car; what abroad adopt is the device of similar a whole set of safety air bag; promptly install acceleration pick-up additional at the bumper/spoiler place; when detecting collision; the electronic circuit igniting blasting is positioned at the air bag of surface rear end under the car bonnet; in the time of the air bag blast; strut the car bonnet rear end; make the car bonnet rear end open certain angle, play the strike that the buffering pedestrian is subjected to when and then barycenter generation gyroscopic movement is thrown car bonnet after hitting.Obviously such device more easily produces maloperation, maintenance, use cost height, and then cost is quite high to adopt laser, radar, video camera etc.
Summary of the invention
According to collision experiment and accident record, in normal control vehicle such as car and the pedestrian's collision process, the pedestrian is subjected to three serious blows: be for the first time the safety lever bump pedestrian lower leg of vehicle, car bonnet bump pedestrian lower leg is between the waist; Second strike is that collision people from back can center on barycenter generation gyroscopic movement, and is thrown car bonnet, and slides thereon, and head may touch the front front windshield glass; Hit for the third time that to be the pedestrian fall or after the very big human body of the speed of a motor vehicle thrown to car, be subjected to the roll off of other car wheel probably then from car bonnet.
The car radiator grill and the car bonnet that have are connected as a single entity, the car radiator grill that has then is connected as a single entity with the bumper/spoiler face shield, hit in order to tackle this three step, then this device is when car bumps against the pedestrian, at first being positioned at top bumper/spoiler face shield and car bonnet forward position is that car bonnet moves a certain distance backward, damp impacts.Then open certain angle under the elastic force of car bonnet rear end servo-unit in machinery space, the buffering people is thrown the strike that is subjected to behind the car bonnet.Then launch out a block buffering energy-absorbing pad below the car bonnet again, retaining prevents to be hard hit when pedestrian head from touching windscreen in the front of windscreen lower part.Being positioned at car both sides two light weight beams of A column fwd when car bonnet moves a certain distance is backward ejected, rise to the stationary pipes place up to the light weight beam bottom, the buffering energy-absorbing net pull-up that light weight beam handle in the process of upspringing is received in below the car bonnet rear end comes, forming one before windscreen throws the net, so on the one hand just in case the people hits the A column, retaining light weight beam in front can play buffer action earlier, the buffering energy-absorbing net is worked in coordination with the following pulling effect that plays at the both sides light weight beam on the other hand, loss pedestrian kinetic energy, delaying the pedestrian lands the time, allow automobile fully brake, prevent to be thrown to behind the car or again after the pedestrian from being hit and tumble and then be subjected to other injury from side.
On than the luxurious car, then can adopt infrared detector as additional device.The main passive type thermal detector that adopts, fast as the pyroelectric detector reaction, highly sensitive, good stability, infrared detector is contained in by the car inside rear-view mirror, the IR wavelength of human body radiation between 9-10 μ m for the strongest, infrared detector comprises filter plate etc. by optical system, infrared detector is converted into the radiation of human body signal outputs such as voltage or pyroelectricity and gives control circuit, can detect the activity of people in the certain distance of car the place ahead, because people's infrared radiation increases with distance and weakens, signals such as the voltage of infrared detector output or pyroelectricity will with people and headstock near and away from changing, thereby can learn whether just close headstock of people.The car speed mileage table of automobile and control circuit line, Electronic Speedometer can directly be passed to control circuit to vehicle speed signal by electric signal during running car, and thereby the resistance variations that the magnetic inductive average speed indicator can utilize the rotation of speed of a motor vehicle pointer that standby circuit is inserted is passed to control circuit to the size of the speed of a motor vehicle by electric signal, control circuit is according to the focal length of the optical system of the size control infrared detector of the speed of a motor vehicle, make the speed of a motor vehicle high more, the distance that infrared detector detects is far away more, when car reaches certain speed of a motor vehicle, infrared detector detects in the certain distance of car the place ahead the people, give the alarm to chaufeur at once, if chaufeur is not also taked the deceleration measure, then headstock and people's distance is more and more nearer, the voltage or the pyroelectricity signal of infrared detector output can be more and more stronger, control circuit is just controlled the engine oil amount immediately or is started the abs braking system, makes car ramp to stop voluntarily.And open the catch gear at car bonnet place, the electromagnetic valve that promptly is contained in the machinery space sidewall its iron core of switching on descends, the eyelet of car bonnet is limited by iron core no longer, make car bonnet car bump against man-hour can after move with the rear end and open certain angle.If last car still knocks the pedestrian, then move certain distance behind safety lever face shield and the whole car bonnet, the first strike that the buffering pedestrian is subjected to, car both sides two light weight beams of A column fwd eject pull-up buffering energy-absorbing net before windscreen, open certain angle rapidly under the elastic force of car bonnet rear end servo-unit (as elastic parts such as coil spring, hydro-pneumatic springs) in machinery space simultaneously.Touch the optical system change-over swith when moving behind the car bonnet, control circuit makes the optical system action of infrared detector, and as adopting stepping motor or electromagnetic valve convertible lens etc., the distance that detector is surveyed becomes very little, and accuracy rate improves.When the pedestrian is thrown car bonnet and is hit windscreen, the human infrared radiation that infrared detector is subjected to is increasing, so control circuit is ignited the gas generation apparatus that is contained in the cowl upper by firing circuit, a cushion air bag is washed enclosing cover open and is opened in windscreen lower part front rapidly, the collision between buffering human body and the front windshield glass.
The beneficial effect of this device is: under the prerequisite of the unfolding mode that does not change original automotive hood, can reduce the probability that car bumps against the pedestrian, and when the contingency car bumps against the pedestrian, can cushion car people's three steps are hit.
Description of drawings
Below in conjunction with accompanying drawing this device is further specified.
Fig. 1 is the structure principle chart of this device
Fig. 2 is the demonstration graph of this device when car bumps against the pedestrian
Fig. 3 is that this installs the demonstration graph that the 4th parts adopt second embodiment
1. bars among the figure, 2. safety lever face shield, 3. pipe, 4. steel bracket, 5. push rod, 6. light weight beam, 7. spring, 8. stationary pipes, 9. cowl upper, 10. buffering energy-absorbing net, 11.L the shape rear foot, 12. hinges, 13. bolts, 14. servo-units, 15. cushion rubbers, 16. limiting stopper, 17. springs, 18.D shape plate, 19. grooves, the forward foot in a step of 20.L shape, 21. lockhole, 22. car bonnets, 23. control circuits, 24. infrared detectors, 25. air bag, 26. gas generation apparatus, 27. optical system change-overs swith, 28. electromagnetic valves.
The specific embodiment
Among Fig. 1, the embodiment shown in Figure 2, form by first, second, third, fourth parts.First parts are by bar (1), bumper/spoiler face shield (2), and pipe (3), steel bracket (4), push rod (5) constitutes.Bumper/spoiler face shield inner face both sides are cast with bar (1), simultaneously have the hole in the cooresponding position of bumper/spoiler steel bracket (4), pipe (3) passes the hole and is welded on the bumper/spoiler steel bracket (4), the bar (1) of safety lever face shield (2) passes the pipe (3) on the bumper/spoiler steel bracket (4), and withstand on the front end of push rod (5) on one side respectively, the push rod on both sides (5) lays respectively at by the shock absorber tower on both sides, and the rear end of push rod (5) withstands on the front of the L shaped rear foot (11) that is welded in both sides, bottom surface, car bonnet rear end.The outside of bar (1) can be wrapped by one deck rubber, plays vibration damping, noise reduction effect.
Second parts are made of: light weight beam (6), spring (7), stationary pipes (8), buffering energy-absorbing net (10).In the space between car both sides A column fwd machinery space side plate and the wing, two stationary pipes (8) are separately fixed at A column front on one side by last position, each light weight beam (6) of car both sides, stationary pipes (8) is enclosed within the upper end of light weight beam (6), spring (7) one ends are fixed on the stationary pipes (8), the other end of spring (7) is fixed on the lower end of light weight beam (6), and spring (7) is in extended state at ordinary times.Two catch outwards cover the mouth that launches of light weight beam (6) from the inside, the bar crown of light weight beam (6) is on catch.Two angles of the online face of buffering energy-absorbing are fixed on the bar head of light weight beam (6) on one side separately, below two angles be fixed on about car bonnet (22) rear end on two angles, one of harvest at ordinary times is placed on below the car bonnet rear end.
Buffering energy-absorbing net (10) is considered the damage to the people, adopts the material that can stretch, be out of shape and consume energy, as materials such as nylon.The upper and lower part of buffering energy-absorbing net is drawn tightlyer on light weight beam, and centre portion draws loosely, and after the pedestrian slided on the net like this, light weight beam and host will play the pulling effect.Light weight beam (6) adopts the flexible material and nonrigid material.
The 3rd parts are made of: the L shaped rear foot (11), hinge (12), bolt (13), servo-unit (14), D shape plate (18), groove (19), the L shaped forward foot in a step (20), lockhole (21), car bonnet (22).The hole that hinge (12) is worn bolt (13) is a strip shape, and front end is little, the rear end is big.Both sides, limit, the left and right sides, car bonnet (22) bottom surface, rear end are by being bolted on the hinge (12), be that bolt (13) passes the narrower front end locking car bonnet (22) in hinge (12) hole, when car bumps against the pedestrian, hood strap moves after bolt (13), move on to the rear end in hinge (12) hole behind the bolt (13), the rear end in hinge (12) hole is big, and the head of bolt (13) can pass.Car bonnet (22) bottom surface, rear end the right and left respectively is welded with a L shaped rear foot (11), and the pin of the L shaped rear foot (11) and extend in the macropore that digs on the machinery space side plate outwardly.The servo-unit on both sides (14) can adopt coil spring or hydro-pneumatic spring etc., and each servo-unit (14) one end is connected on the bottom surface, car bonnet rear portion by bulb, and the other end is fixed on the machinery space sidewall by bulb.Car bonnet (22) front end bottom surface the right and left respectively is welded with a L shaped forward foot in a step (20), the pin of the L shaped forward foot in a step (20) outwardly, and be stuck in the front end of the groove of opening in the D shape plate (18) (19), the rear end of groove (19) is bigger, have U-lag between machinery space side plate and the wing, two D shape plates (18) are inserted in the U-lag on car both sides, and have lockhole (21) on the plate face of D shape plate (18), while is equipped with the tongue lock in the relevant position of the U-lag at machinery space side plate place, when car bonnet is closed fully, the dead bolt of lock extend in the lockhole (21), and car bonnet is locked.At auxiliary hook of the middle position of car bonnet front end bottom surface and car bonnet front end panel dress and clamp, play dual locking effect.
When needing repairing hood up at ordinary times, by key or the drag-line that is located in the operator's compartment lock is opened, D shape plate (18) is because the pin of the L shaped forward foot in a step (20) is stuck in the top of the groove (17) that digs on its plate face, so move with car bonnet, car bonnet serves as that axle is opened with the rear end hinge then.Servo-unit (14) power-assisted supporting role this moment.
The 4th parts are by control circuit (23), infrared detector (24), air bag (25), and gas generation apparatus (26), (27) and electromagnetic valve (28) formation are opened also in the optical system conversion.Infrared detector (24) and control circuit (23) are contained in by the room mirror, the car speed mileage table of automobile and control circuit (23) line, the air bag of cushion (25) is received in the groove of cowl upper at ordinary times, cover with enclosing cover above, gas generation apparatus (26) is made of firing circuit and gas generator, air bag (25) has opening to lead to gas generator, and gas generation apparatus (26) is contained in below the cowl upper (9).Optical system change-over swith (27) is contained on the machinery space sidewall, and is positioned at the back of push rod (5) rear end on one side, and the rear end of push rod (5) heads on the button of the L shaped rear foot (11) and optical system change-over swith (27) simultaneously.On the side plate of the machinery space rear portion on both sides electromagnetic valve (28) is housed all, and is drilled with eyelet on the bonnet inner panel rear end, when car bonnet was closing at ordinary times, the iron core of electromagnetic valve (28) extend in the eyelet, moves behind the limiting engine cover.
Car bumps against in pedestrian's the process, and the course of action of each parts is:
The course of action of first parts is: bumper/spoiler face shield (2) is when bumping against the pedestrian, bumper/spoiler face shield (2) moves relative to safety lever steel bracket (4) backward with bar (1), bar (1) overcomes with the friction force promotion push rod (5) of pipe (3) mobile backward, and push rod (5) promotes the L shaped rear foot (11) and then promote to move behind the car bonnet.
The course of action of the 3rd parts is: the car bonnet forward position bumps against the human body corresponding site simultaneously, whole car bonnet is moved backward, the bolt (13) that passes hinge (12) hole and screw in car bonnet moves on to the rear end of pan after then, hole herein is greater than the head of bolt (13), the connection that makes car bonnet (22) rear end can break away from hinge (12) provides condition for opening certain angle.Car bonnet is welded in two L shaped forward foot in a step (20) of car bonnet front end and also went up the portion of expanding that the front end narrow of groove (19) moves on to the rear end from being stuck in D shape plate (18) originally when moving backward, the car bonnet rear end is an axle with the front end under the elastic force effect of servo-unit (14) like this, open certain angle rapidly, because the pin of two L shaped rear feet (11) extend in the macropore that digs on the machinery space side plate, limit the angle that open the car bonnet rear end, played safe position-limiting action.
The course of action of second parts is: when moving behind the relative car of car bonnet, the catch that covers light weight beam (6) has been backed down at two angles, rear end.The bar head of light weight beam (6) is no longer blocked by catch, then whole piece light weight beam (6) pops up under the elastic force effect of the spring that is stretched at ordinary times (7), rise to stationary pipes (8) up to the light weight beam bottom and locate, light weight beam (6) is thrown the net original folding buffering energy-absorbing net (10) in the process of upspringing in the pull-up of windscreen the place ahead.
The course of action of the 4th parts is: when car reaches certain speed of a motor vehicle, infrared detector detects in the certain distance of car the place ahead the people, give the alarm to chaufeur at once, if chaufeur is not also taked the deceleration measure, headstock and people's distance is more and more nearer, then open the catch gear at car bonnet place, be that control circuit (23) is given electromagnetic valve (28) energising, electromagnetic valve (28) iron core descends, the eyelet of car bonnet is limited by iron core no longer, allow car bonnet car bump against man-hour can after move with the rear end and open certain angle, when automobile bumps against the pedestrian, behind car bonnet, move and open, before light weight beam ejects, the rear end of push rod (5) contacts the button of optical system change-over swith (27), and control circuit (23) makes the optical system action of infrared detector, as adopting stepping motor or electromagnetic valve convertible lens etc., the distance that detector is surveyed becomes very little, and accuracy rate improves.When the pedestrian is thrown car bonnet and is hit windscreen, the human infrared radiation that infrared detector is subjected to is increasing, so control circuit (23) is ignited the gas generator that is contained under the cowl upper by firing circuit, a cushion air bag (25) is washed enclosing cover open and is opened in windscreen lower part front rapidly.
In second embodiment of the 4th parts shown in Figure 3, the 4th parts are by cushion rubber (15), limiting stopper (16), spring (17) constitutes, cushion rubber (15) is received in below the car bonnet rear portion at ordinary times, and cushion rubber (15) can adopt materials such as foamed plastic, rubber.Cushion rubber (15) front end both sides have limiting stopper (16) to protect respectively, limiting stopper is L-shaped, head is welded on the car bonnet bottom surface, the pin of L shaped limiting stopper (16) reaches under the cushion rubber (15), restriction cushion rubber position, and the L shaped rear foot (11) that is welded in bottom surface, car bonnet rear end the right and left be welded with iron plate reach cushion rubber (15) rear end the right and left below, the right and left of cushion rubber (15) all has spring (17), one of every limit spring (17) is fixed on cushion rubber (15) the fwd angle, spring (17) other end then is fixed on and is positioned on the L shaped rear foot in cushion rubber both sides (11), and spring is in extended state at ordinary times.
Its course of action is: when the car bonnet rear end was opened to enough big angle, cushion rubber (15) launched to windscreen under spring (17) elastic force effect, and retaining is on the lower part of windscreen.
Claims (2)
1, a kind of pedestrian impact fender guard, by: first, second, the 3rd, the 4th parts are formed, adopt infrared detector as additional device, the main passive type thermal detector of using, fast as the pyroelectric detector reaction, highly sensitive, good stability, infrared detector is contained in by the car inside rear-view mirror, the IR wavelength of human body radiation between 9-10 μ m for the strongest, infrared detector comprises filter plate etc. by optical system, infrared detector is converted into the radiation of human body signal outputs such as voltage or pyroelectricity and gives control circuit, can detect the activity of people in the certain distance of car the place ahead, because people's infrared radiation increases with distance and weakens, signals such as the voltage of infrared detector output or pyroelectricity will be with the close of people and headstock with away from changing, thereby can learn that whether the people is just near headstock, the car speed mileage table of automobile and control circuit line, Electronic Speedometer can directly be passed to control circuit to vehicle speed signal by electric signal during running car, and thereby the resistance variations that the magnetic inductive average speed indicator can utilize the rotation of speed of a motor vehicle pointer that standby circuit is inserted is passed to control circuit to the size of the speed of a motor vehicle by electric signal, control circuit is according to the focal length of the optical system of the size control infrared detector of the speed of a motor vehicle, make the speed of a motor vehicle high more, the distance that infrared detector detects is far away more, when car reaches certain speed of a motor vehicle, infrared detector detects in the certain distance of car the place ahead the people, give the alarm to chaufeur at once, if chaufeur is not also taked the deceleration measure, then headstock and people's distance is more and more nearer, the voltage or the pyroelectricity signal of infrared detector output can be more and more stronger, control circuit is just controlled the engine oil amount immediately or is started the abs braking system, make car ramp to stop voluntarily, and the catch gear at unlatching car bonnet place, even being contained in switch on its iron core of the electromagnetic valve of machinery space sidewall descends, the eyelet of car bonnet is limited by iron core no longer, make car bonnet car bump against man-hour can after move with the rear end and open certain angle, if last car still knocks the pedestrian, then move certain distance behind safety lever face shield and the whole car bonnet, the first strike that the buffering pedestrian is subjected to, car both sides two light weight beams of A column fwd eject pull-up buffering energy-absorbing net before windscreen, simultaneously the car bonnet rear end in machinery space servo-unit (as coil spring, elastic parts such as hydro-pneumatic spring) open certain angle under the elastic force rapidly, touch the optical system change-over swith when moving behind the car bonnet, control circuit makes the optical system action of infrared detector, as adopt stepping motor or electromagnetic valve convertible lens etc., the distance that detector is surveyed becomes very little, accuracy rate improves, when the pedestrian is thrown car bonnet and is hit windscreen, the human infrared radiation that infrared detector is subjected to is increasing, so control circuit is ignited the gas generation apparatus that is contained in the cowl upper by firing circuit, a cushion air bag is washed enclosing cover open and is opened in windscreen lower part front rapidly, the collision between buffering human body and the front windshield glass;
First parts are by bar (1), bumper/spoiler face shield (2), pipe (3), steel bracket (4), push rod (5) constitutes, thick stick face shield inner face both sides, danger are cast with bar (1), simultaneously have the hole in the cooresponding position of bumper/spoiler steel bracket (4), pipe (3) passes the hole and is welded on the bumper/spoiler steel bracket (4), the bar (1) of safety lever face shield (2) passes the pipe (3) on the bumper/spoiler steel bracket (4), and withstand on the front end of push rod (5) on one side respectively, and the push rod on both sides (5) lays respectively at by the shock absorber tower on both sides, and the rear end of push rod (5) withstands on the front of the L shaped rear foot (11) that is welded in both sides, bottom surface, car bonnet rear end;
Second parts are by light weight beam (6), spring (7), stationary pipes (8), buffering energy-absorbing net (10) constitutes, in the space between car both sides A column fwd machinery space side plate and the wing, two stationary pipes (8) are separately fixed at A column front on one side by last position, each light weight beam (6) of car both sides, stationary pipes (8) is enclosed within the upper end of light weight beam (6), spring (7) one ends are fixed on the stationary pipes (8), the other end of spring (7) is fixed on the lower end of light weight beam (6), spring (7) is in extended state at ordinary times, catch outwards covers the mouth that launches of light weight beam (6) from the inside, the bar crown of light weight beam (6) is on catch, two angles of the online face of buffering energy-absorbing are fixed on the bar head of light weight beam (6) on one side separately, below two angles be fixed on about car bonnet (22) rear end on two angles, one of harvest at ordinary times is placed on below the car bonnet rear end;
The 3rd parts are by the L shaped rear foot (11), hinge (12), bolt (13), servo-unit (14), D shape plate (18), groove (19), the L shaped forward foot in a step (20), lockhole (21), car bonnet (22) constitutes, the hole of wearing bolt (13) on the hinge (12) is a strip shape, and front end is little, the rear end is big, both sides, limit, the left and right sides, car bonnet (22) bottom surface, rear end are fixed on the hinge (12) by bolt (13), be that bolt (13) passes the narrower front end locking car bonnet (22) in hinge (12) hole, car bonnet (22) bottom surface, rear end the right and left respectively is welded with a L shaped rear foot (11), the pin of the L shaped rear foot (11) outwardly, and extend in the macropore that digs on the machinery space side plate, all there is servo-unit (14) on the car bonnet both sides, each servo-unit (14) one end is connected on the bottom surface, car bonnet rear portion by bulb, the other end is fixed on the machinery space sidewall by bulb, car bonnet (22) front end bottom surface the right and left respectively is welded with a L shaped forward foot in a step (20), the pin of the L shaped forward foot in a step (20) outwardly, and be stuck in the front end of the groove of opening in the D shape plate (18) (19), the inswept of groove (19), the rear end is wide, have U-lag between machinery space side plate and the wing, two D shape plates (18) are inserted in the U-lag on car both sides, and have lockhole (21) on the plate face of D shape plate (18), the while is equipped with the tongue lock in the relevant position of the U-lag at machinery space side plate place;
The 4th parts are by control circuit (23), infrared detector (24), air bag (25), gas generation apparatus (26), optical system change-over swith (27) and electromagnetic valve (28) constitute, infrared detector (24) and control circuit (23) are contained in by the room mirror, the car speed mileage table of automobile and control circuit (23) line, the air bag of cushion (25) is received in the groove of cowl upper at ordinary times, cover with enclosing cover above, gas generation apparatus (26) is made of firing circuit and gas generator, air bag (25) has opening to lead to gas generator, gas generation apparatus (26) is contained in below the cowl upper (9), optical system change-over swith (27) is contained on the machinery space sidewall, and be in the back of push rod (5) rear end on one side, the rear end of push rod (5) heads on the button of the L shaped rear foot (11) and optical system change-over swith (27) simultaneously, on the side plate of the machinery space rear portion on both sides, electromagnetic valve (28) is housed all, and on the bonnet inner panel rear end, be drilled with eyelet, when car bonnet was closing at ordinary times, the iron core of electromagnetic valve (28) extend in the eyelet.
2. the 4th parts according to claim 1, by: cushion rubber (15), limiting stopper (16), spring (17) constitutes, cushion rubber (15) is received in below the car bonnet rear portion at ordinary times, cushion rubber (15) front end both sides have limiting stopper (16) to protect respectively, limiting stopper is L-shaped, head is welded on the car bonnet bottom surface, the pin of L shaped limiting stopper (16) reaches under the cushion rubber (15), and the L shaped rear foot (11) that is welded in bottom surface, car bonnet rear end the right and left be welded with iron plate reach cushion rubber (15) rear end the right and left below, the right and left of cushion rubber (15) all has spring (17), (17) one on every limit spring is fixed on cushion rubber (15) the fwd angle, and spring (17) other end then is fixed on the L shaped rear foot (11), and spring is in extended state at ordinary times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101117279A CN100337860C (en) | 2003-10-10 | 2003-10-10 | Pedestrian bumping protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101117279A CN100337860C (en) | 2003-10-10 | 2003-10-10 | Pedestrian bumping protection device |
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| Publication Number | Publication Date |
|---|---|
| CN1605508A true CN1605508A (en) | 2005-04-13 |
| CN100337860C CN100337860C (en) | 2007-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101117279A Expired - Fee Related CN100337860C (en) | 2003-10-10 | 2003-10-10 | Pedestrian bumping protection device |
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| CN101198511B (en) * | 2005-09-09 | 2011-02-09 | 穆尔蒂马蒂奇公司 | Pedestrian protection automotive hood hinge assembly |
| CN102133885A (en) * | 2010-01-26 | 2011-07-27 | 通用汽车环球科技运作有限责任公司 | Pedestrian impact mitigation system and method of use |
| CN101528513B (en) * | 2006-08-28 | 2011-12-07 | Gm全球科技运作股份有限公司 | Actuator for an active cover |
| CN102037648B (en) * | 2008-06-03 | 2013-01-16 | 大陆汽车有限责任公司 | Detection system for approach recognition |
| CN103303333A (en) * | 2012-03-15 | 2013-09-18 | 李书营 | Buffering energy-absorbing device capable of directionally deforming along artificial defect |
| CN103434477A (en) * | 2013-08-29 | 2013-12-11 | 长城汽车股份有限公司 | Vehicle and engine hood thereof |
| CN104139761A (en) * | 2013-05-08 | 2014-11-12 | 通用汽车环球科技运作有限责任公司 | Fender located pedestrian protection airbag |
| CN104709221A (en) * | 2015-02-09 | 2015-06-17 | 浙江吉利汽车研究院有限公司 | Pedestrian protection system for vehicle |
| US9511739B2 (en) | 2013-05-08 | 2016-12-06 | GM Global Technology Operations LLC | Fender located pedestrian protection airbag |
| CN106184107A (en) * | 2016-07-18 | 2016-12-07 | 佳木斯大学 | Automobile preposition device based on protection pedestrian |
| CN107018467A (en) * | 2016-01-28 | 2017-08-04 | 哈曼贝克自动系统股份有限公司 | The system and method that external voice for vehicle is synthesized |
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| WO2014089853A1 (en) * | 2012-12-15 | 2014-06-19 | Yuan Dejun | Automotive bumper |
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| GB9108068D0 (en) * | 1991-04-16 | 1991-06-05 | Jaguar Cars | Vehicle bonnets |
| CN1073403A (en) * | 1991-12-18 | 1993-06-23 | 张洪波 | Preventing motor-vehicle is pressed the protective device of thrusting into |
| JP2002283939A (en) * | 2001-03-29 | 2002-10-03 | Toyota Motor Corp | Walker protecting air bag device |
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