CN202163391U - Pedestrian crus protective device arranged at front end of automobile - Google Patents
Pedestrian crus protective device arranged at front end of automobile Download PDFInfo
- Publication number
- CN202163391U CN202163391U CN2011202661547U CN201120266154U CN202163391U CN 202163391 U CN202163391 U CN 202163391U CN 2011202661547 U CN2011202661547 U CN 2011202661547U CN 201120266154 U CN201120266154 U CN 201120266154U CN 202163391 U CN202163391 U CN 202163391U
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- pedestrian
- support beam
- calf
- cross sill
- automotive front
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Abstract
The utility model provides a pedestrian crus protective device arranged at the front end of an automobile, which belongs to the technical field of automotive accessories and solves the problem that safety of crura of pedestrians are difficult to be guaranteed completely by existing pedestrian crus protective devices. The pedestrian crus protective device arranged at the front end of the automobile is arranged at a lower crossbeam at the front end of the automobile, and comprises a plurality of transversely-arrayed supporting beams which are arranged on the outer end face of the lower crossbeam and fixedly connected with at least two slide rods penetrating through the lower crossbeam. A fixing part which is capable of preventing the slide rods from being separated from the lower crossbeam is arranged at the tail end of each slide rod, and a buffering mechanism is disposed between the supporting beam and the lower crossbeam and comprises a plurality of buffering parts which are used for providing elastic force to keep the supporting beams away from the lower crossbeam. The pedestrian crus protective device arranged at the front end of the automobile has the advantage of capability of better protecting crura of pedestrians.
Description
Technical field
The utility model belongs to the vehicular spare parts technical field, relates to a kind of pedestrian protection, particularly a kind of automotive front end pedestrian calf fender guard.
Background technology
At present, along with the continuous increase of automobile pollution, the street seems narrow day by day and blocks up, so that automobile and pedestrian's contradiction is more and more outstanding.Pedestrian injury mainly occurs in densely inhabited district; Though in recent years; In the urban traffic control of dense population areas, taked such as overpass, crossed the safety that the pedestrian is protected in measures such as street underground passage way, cross walk and traffic safety island; A series of measure has obtained some effects, but the absolute number of pedestrian injury is still very huge.Therefore how to protect the pedestrian, alleviate frontier and focal issue that its injury when bumping with automobile has become various countries' automotive safety Journal of Sex Research gradually.
People have designed the safety of various structures with protection pedestrian calf to above-mentioned problem at automotive front end, and some has also applied for patent, and for example the Chinese patent documents and materials disclose a kind of pedestrian lower leg fender guard [application number: 200820112900.8; Granted publication number: CN2012591825Y], it comprise the bumper/spoiler bottom guard board structure of captiveing joint with the bottom of front bumper and be positioned at this bumper/spoiler guard board structure rear, bottom and with this bumper/spoiler bottom guard board structure one bonded assembly deflector structure.
Above-mentioned patent is with bumper/spoiler backplate and deflecting plate integrator; Can reduce the lateral impact power and the cross bending angle of pedestrian lower leg in the collision; Avoid shank to fracture, but pedestrian's calf still is a hard collision in collision, directly touches hard bumper/spoiler backplate; Middle not buffering, the impaired extent of injury of pedestrian's calf is still serious.Also there is same situation in other automobile at present, guarantee pedestrian lower leg safety, and automotive front end must have enough energy-absorbing spaces, and often considers master layout and other performance requriements, is difficult to guarantee fully the energy-absorbing space requirement that pedestrian's calf is required.
Summary of the invention
The purpose of the utility model is to the problems referred to above that exist in the prior art, provides a kind of and have buffering energy-absorbing function, can effectively reduce the automotive front end pedestrian calf fender guard of the collision injury of pedestrian's calf.
The purpose of the utility model can realize through following technical proposal: a kind of automotive front end pedestrian calf fender guard; It is located at the cross sill place that is positioned at automotive front end; This device comprises that the outer face of cross sill is provided with the transversely arranged support beam in some roads; The end that described support beam is fixed with at least two sliding bars that pass cross sill and every sliding bar all has can prevent that sliding bar breaks away from the connecting element of cross sill; Be provided with buffer gear between described support beam and the cross sill, described buffer gear comprises that several provide elastic force to make support beam be kept away from the damper element of cross sill trend.
Support beam in this automotive front end pedestrian calf fender guard can move axially along sliding bar through sliding bar; Connecting element prevents that sliding bar breaks away from cross sill; Support beam is corresponding to pedestrian's calf, when the pedestrian with go in automobile generation head-on crash the time, support beam can stop pedestrian's calf and prevent that it from slipping into the front end bottom of automobile; And when bumping; Damper element in the buffer gear provides elastic anchor to offset collision energy, plays buffer action, and protection pedestrian calf can not receive grievous injury.
In above-mentioned automotive front end pedestrian calf fender guard, described buffer gear comprises the dash plate of the outer face that is fixed on cross sill, and described dash plate is sheathed on sliding bar and dash plate has the portion that arches upward that arches upward to the support beam side.When the pedestrian with go in the very big head-on crash of automobile generation intensity the time, pedestrian's calf gives support beam very big impulsive force, support beam is pressed to cross sill; The portion that the arches upward deformation energy-absorbing of dash plate; Can reduce the damage of cross sill, the while is the absorbing impact energy also, reduces the injury of pedestrian's calf.
In above-mentioned automotive front end pedestrian calf fender guard, described damper element is the spring that is enclosed within on the sliding bar, and an end of described spring is resisted against on the support beam, and the other end of spring is resisted against the portion that arches upward of dash plate.Spring housing is on sliding bar, and is easy for installation.
In above-mentioned automotive front end pedestrian calf fender guard, described connecting element is the contiguous block that is connected or welds with the sliding bar end thread.The contiguous block size can prevent that greater than the aperture of sliding bar on cross sill sliding bar breaks away from cross sill.
In above-mentioned automotive front end pedestrian calf fender guard, be provided with between described support beam and the cross sill and can make support beam and cross sill be in the snap close state and when bumping, can remove both snap close states eject support beam under the effect of damper element control mechanism.Control mechanism can eject support beam at first of head-on crash constantly; Pedestrian's calf is blocked in outside the headstock acceleration/accel, the particularly acceleration/accel of knee joint of ability partial offset pedestrian calf; Effectively reduce the knee bend angle, effectively protected pedestrian's calf.
In above-mentioned automotive front end pedestrian calf fender guard; Described control mechanism comprises and is connected in inboard being hook-shaped fastener one, being connected in the cylinder on the cross sill of support beam; The piston rod of described cylinder is fixed with and is hook-shaped and is used for the fastener two with fastener one snap close; Also be fixed with sensor and controller on the described cross sill, described controller is connected in sensor and cylinder respectively.Fastener one and fastener two snap closes at ordinary times, support beam and cross sill are in the snap close state; As the pedestrian and before the automobile generation head-on crash in going; By the sensor data; Pass to controller and collide the possibility occurrence judgement; Confirm that collision is about to take place, the piston rod of controller control cylinder stretches out fastener two is pushed away fastener one, and support beam ejects under the effect of damper element elastic force with pedestrian's calf and touches.
In above-mentioned automotive front end pedestrian calf fender guard, described support beam is curved and protrude to headstock the place ahead.The two ends of support beam are all near cross sill like this, and pedestrian's calf is slipped into the bottom of automotive front end in the time of can preventing side collision by the two ends of support beam.
In above-mentioned automotive front end pedestrian calf fender guard, have several energy-absorbing holes on the described support beam.When bumping, the effect of collapse energy-absorption is played in the energy-absorbing hole, and the energy that the abundant absorbing impact of support beam is produced is to guarantee the safety of pedestrian's calf.
Compared with prior art, the automotive front end pedestrian calf fender guard that provides of the utility model has the following advantages:
1, this automotive front end pedestrian calf fender guard is through increasing the mode of support beam at the lateral surface of cross sill, and support beam can all be blocked in pedestrian's calf outside the headstock corresponding to pedestrian's calf, has played protective effect.
2, the effective absorbing impact energy of the buffer gear in this automotive front end pedestrian calf fender guard has reduced the acceleration/accel of pedestrian's calf, has reduced the probability that fracture takes place.
3, the control mechanism in this automotive front end pedestrian calf fender guard can eject support beam at first of head-on crash constantly; Pedestrian's calf is blocked in outside the headstock; The acceleration/accel of ability partial offset pedestrian calf; Particularly the acceleration/accel of knee joint has effectively reduced the knee bend angle, has effectively protected pedestrian's calf.
4, the support beam in this automotive front end pedestrian calf fender guard is curved and protrude to headstock the place ahead; Pedestrian's calf is slipped into the bottom of automotive front end in the time of can preventing side collision by the two ends of support beam; Has the energy-absorbing hole in addition on the support beam; Can be more effective absorbing impact energy, strengthen the protection intensity of pedestrian's calf.
Description of drawings
Fig. 1 is the plan structure scheme drawing of this automotive front end pedestrian calf fender guard.
Fig. 2 is the structural representation of facing of this automotive front end pedestrian calf fender guard.
Fig. 3 is the perspective view of support beam in this automotive front end pedestrian calf fender guard.
Among the figure, 1, cross sill; 2, support beam; 3, sliding bar; 4, connecting element; 5, damper element; 6, dash plate; 6a, portion arches upward; 7, spring; 8, fastener one; 9, cylinder; 10, fastener two; 11, sensor; 12, controller; 13, energy-absorbing hole.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As depicted in figs. 1 and 2; This automotive front end pedestrian calf fender guard is located at cross sill 1 place that is positioned at automotive front end, and it is isometric that this device comprises that the outer face of cross sill 1 is provided with between the transversely arranged support beam of twice 2, two support beams 2 length of spacing and pedestrian's calf; Support beam 2 is fixed with two sliding bars 3 that pass cross sill 1; Two sliding bars 3 are fixed near an end of support beam 2 respectively, and the end of every sliding bar 3 all has connecting element 4, and connecting element 4 is and sliding bar 3 end thread bonded assembly contiguous blocks; The contiguous block size can prevent that greater than the aperture of sliding bar 3 on cross sill 1 sliding bar 3 breaks away from cross sill 1.As shown in Figure 3, support beam 2 is curved and to headstock the place ahead protrusion, and the two ends of support beam 2 are all near cross sill 1, and pedestrian's calf is slipped into the bottom of automotive front end in the time of can preventing side collision by the two ends of support beam 2; Have several energy-absorbing holes 13 on the support beam 2, the quantity in energy-absorbing hole 13 is decided according to actual conditions, and when bumping, the effect of collapse energy-absorption is played in energy-absorbing hole 13, and the energy that support beam 2 abundant absorbing impact are produced is to guarantee the safety of pedestrian's calf.
As shown in Figure 1, be provided with buffer gear between support beam 2 and the cross sill 1, buffer gear comprises that two provide elastic force to make support beam 2 be kept away from the damper element 5 of cross sill 1 trend, also comprise the dash plate 6 through the outer face that is bolted to cross sill 1.Dash plate 6 is sheathed on sliding bar 3 and dash plate 6 has to the 6a of the portion that arches upward that support beam 2 sides arch upward, and damper element 5 is for to be enclosed within the spring 7 on the sliding bar 3, and an end of spring 7 is resisted against on the support beam 2, and the other end of spring 7 is resisted against the 6a of the portion that arches upward of dash plate 6.Be provided with between support beam 2 and the cross sill 1 and can make support beam 2 and cross sill 1 be in the snap close state and when bumping, can remove both snap close states eject support beam 2 under the effect of damper element 5 control mechanism.Control mechanism comprises and is connected in inboard being hook-shaped fastener 1, being connected in the cylinder 9 on the cross sill 1 of support beam 2; The piston rod of cylinder 9 is fixed with and is hook-shaped and is used for the fastener 2 10 with fastener one 8 snap closes; Also be fixed with sensor 11 and controller 12 on the cross sill 1, controller 12 is connected in sensor 11 and cylinder 9 respectively.
This automotive front end pedestrian calf fender guard in use, fastener 1 and fastener 2 10 snap closes at ordinary times, promptly support beam 2 is in the snap close state with cross sill 1; As the pedestrian and before the automobile generation head-on crash in going, detect data by sensor 11, pass to controller 12 and collide the possibility occurrence judgement; Confirm that collision is about to take place, the piston rod of controller 12 control cylinders 9 stretches out fastener 2 10 is pushed away fastener 1, and support beam 2 ejects under the effect of damper element 5 elastic force with pedestrian's calf and touches; Like this pedestrian's calf is blocked in outside the headstock acceleration/accel, the particularly acceleration/accel of knee joint of ability partial offset pedestrian calf; Effectively reduced the knee bend angle; Protected pedestrian's calf, pedestrian's calf can press support beam 2 to move to cross sill 1 along the axial direction of sliding bar 3 in collision in addition, and the spring 7 that is enclosed within on the sliding bar 3 plays buffer action; Spring 7 is compressed, the absorbing impact energy, and protection pedestrian calf can not receive grievous injury.If during the very big head-on crash of automobile generation intensity as the pedestrian and in going; Pedestrian's calf gives support beam 2 very big impulsive force, and support beam 2 overcomes spring 7 elastic force, presses to cross sill 1; The 6a of the portion that the arches upward deformation energy-absorbing of dash plate 6; Can reduce the damage of cross sill 1, the while is the absorbing impact energy also, reduces the injury of pedestrian's calf.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as cross sill 1, support beam 2, sliding bar 3, connecting element 4, damper element 5, dash plate 6, the 6a of portion that arches upward, spring 7, fastener 1, cylinder 9, fastener 2 10, sensor 11, controller 12, energy-absorbing hole 13 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (8)
1. automotive front end pedestrian calf fender guard; It is located at the cross sill (1) that is positioned at automotive front end and locates; It is characterized in that; This device comprises that the outer face of cross sill (1) is provided with the transversely arranged support beams in some roads (2); The end that described support beam (2) is fixed with at least two sliding bars (3) that pass cross sill (1) and every sliding bar (3) all has can prevent that sliding bar (3) breaks away from the connecting element (4) of cross sill (1), is provided with buffer gear between described support beam (2) and the cross sill (1), and described buffer gear comprises that several provide elastic force to make support beam (2) be kept away from the damper element (5) of cross sill (1) trend.
2. automotive front end pedestrian calf fender guard according to claim 1; It is characterized in that; Described buffer gear comprises the dash plate (6) of the outer face that is fixed on cross sill (1), and described dash plate (6) is sheathed on sliding bar (3) and dash plate (6) has the portion that arches upward (6a) that arches upward to support beam (2) side.
3. automotive front end pedestrian calf fender guard according to claim 2; Described damper element (5) is for being enclosed within the spring (7) on the sliding bar (3); One end of described spring (7) is resisted against on the support beam (2), and the other end of spring (7) is resisted against the portion that arches upward (6a) of dash plate (6).
4. automotive front end pedestrian calf fender guard according to claim 1, described connecting element (4) are the contiguous block that is connected or welds with sliding bar (3) end thread.
5. according to claim 1 or 2 or 3 or 4 described automotive front end pedestrian calf fender guards, be provided with between described support beam (2) and the cross sill (1) and can make support beam (2) and cross sill (1) be in the snap close state and when bumping, can remove both snap close states eject support beam (2) under the effect of damper element (5) control mechanism.
6. automotive front end pedestrian calf fender guard according to claim 5; Described control mechanism comprises and is connected in inboard being hook-shaped fastener one (8), being connected in the cylinder (9) on the cross sill (1) of support beam (2); The piston rod of described cylinder (9) is fixed with and is hook-shaped and is used for the fastener two (10) with fastener one (8) snap close; Also be fixed with sensor (11) and controller (12) on the described cross sill (1), described controller (12) is connected in sensor (11) and cylinder (9) respectively.
7. according to claim 1 or 2 or 3 or 4 described automotive front end pedestrian calf fender guards, described support beam (2) is curved and protrude to headstock the place ahead.
8. automotive front end pedestrian calf fender guard according to claim 7 has several energy-absorbing holes (13) on the described support beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202661547U CN202163391U (en) | 2011-07-26 | 2011-07-26 | Pedestrian crus protective device arranged at front end of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202661547U CN202163391U (en) | 2011-07-26 | 2011-07-26 | Pedestrian crus protective device arranged at front end of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202163391U true CN202163391U (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202661547U Expired - Lifetime CN202163391U (en) | 2011-07-26 | 2011-07-26 | Pedestrian crus protective device arranged at front end of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202163391U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057930A (en) * | 2014-01-02 | 2014-09-24 | 陈承寿 | Safety system of vehicle |
| CN104608721A (en) * | 2014-11-28 | 2015-05-13 | 长城汽车股份有限公司 | Automobile front end rigidity self-adaptive system and control method |
| CN104627069A (en) * | 2015-02-06 | 2015-05-20 | 江苏大学 | Vehicle tailgating preventing system and method |
| CN108451752A (en) * | 2018-05-10 | 2018-08-28 | 李明 | A kind of orthopaedics post-operative recovery collision prevention device |
| CN110979249A (en) * | 2019-11-04 | 2020-04-10 | 重庆江北区长安产业有限公司 | Pedestrian protection crossbeam welding assembly |
| CN114523933A (en) * | 2020-11-19 | 2022-05-24 | 上海汽车集团股份有限公司 | Pedestrian leg protection equipment and system for vehicle and automobile |
-
2011
- 2011-07-26 CN CN2011202661547U patent/CN202163391U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057930A (en) * | 2014-01-02 | 2014-09-24 | 陈承寿 | Safety system of vehicle |
| CN104608721A (en) * | 2014-11-28 | 2015-05-13 | 长城汽车股份有限公司 | Automobile front end rigidity self-adaptive system and control method |
| CN104627069A (en) * | 2015-02-06 | 2015-05-20 | 江苏大学 | Vehicle tailgating preventing system and method |
| CN104627069B (en) * | 2015-02-06 | 2018-06-26 | 江苏大学 | A kind of vehicle anti-rear collision system and method |
| CN108451752A (en) * | 2018-05-10 | 2018-08-28 | 李明 | A kind of orthopaedics post-operative recovery collision prevention device |
| CN110979249A (en) * | 2019-11-04 | 2020-04-10 | 重庆江北区长安产业有限公司 | Pedestrian protection crossbeam welding assembly |
| CN114523933A (en) * | 2020-11-19 | 2022-05-24 | 上海汽车集团股份有限公司 | Pedestrian leg protection equipment and system for vehicle and automobile |
| CN114523933B (en) * | 2020-11-19 | 2022-11-18 | 上海汽车集团股份有限公司 | Pedestrian leg protection equipment and system for vehicle and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120314 |