CN207790611U - Automotive front end structure - Google Patents
Automotive front end structure Download PDFInfo
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- CN207790611U CN207790611U CN201820052198.1U CN201820052198U CN207790611U CN 207790611 U CN207790611 U CN 207790611U CN 201820052198 U CN201820052198 U CN 201820052198U CN 207790611 U CN207790611 U CN 207790611U
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Abstract
The utility model provides a kind of automotive front end structure; including engine casing assembly, preceding grid, front bumper, front anti-collision beam and front-end module; shank protective cradle is equipped between the front bumper and the front-end module; front end face of the shank protective cradle on vehicle commander direction is connected with the front bumper at underbody, and the rear end face on vehicle commander direction is connected with the front-end module at underbody；Preceding guarantor's buffering energy-absorbing block is equipped between the front bumper and the front anti-collision beam, protecting buffering energy-absorbing block before described is sheathed on the front anti-collision beam；Front end face of the engine casing assembly on vehicle commander direction is located at the front of front end face of the front anti-collision beam on vehicle commander direction.The utility model reduces the injury caused by pedestrian lower leg in pedestrian vehicle impact accident by providing pedestrian lower leg orderly from bottom to top crumple energy-absorbing and thigh support.
Description
Technical field
The utility model is related to a kind of automobile body components, and in particular to a kind of automotive front end structure.
Background technology
As car ownership increases rapidly, road condition is increasingly complicated, and motor traffic accidents takes place frequently.In pedestrian-vehicle
In collision accident, pedestrian would generally should be by the concern and attention of height by grievous injury, pedestrian protective value.Europe
The developed countries such as continent, Japan formulate and implement pedestrian protecting regulation already, and the new cars value disciplines such as E-NCAP, CNCAP gradually add
Big pedestrian protecting requirement, China issued GB/T 24550 also based on pedestrian impact protection worldwide technical standard (GTR) in 2009
《Crash protection of the automobile to pedestrian》National proposed standard.
According to statistics, in pedestrian-vehicle collision accident, the 75% of casualties' number be at first with bumper system for vehicles
It collides, pedestrian lower leg is most common bodily injury position, and automotive front end structure is to be contacted at first with pedestrian lower leg
Component, therefore based on the automotive front end structural research that pedestrian lower leg is protected have realistic meaning.
Since car is relative to SUV and MPV vehicles, vehicle body hood height is relatively low, when generation pedestrian-vehicle collision thing
Therefore when, hood leading edge can not effectively support thigh, and large curved occurs for pedestrian's upper leg portion；Front bumper lower edge
Rearward, pedestrian shank is easily drawn under the car in collision for position；Preceding anti-collision beam regional structure rigidity is larger, pedestrian lower leg knee position
It sets just at preceding anti-collision beam position.If automotive front end structure engine cover, preceding anti-collision beam and preceding guarantor lower edge three arrangement
And Rigidity Matching is unreasonable, it will causes pedestrian's knee ligament and shank shin that fracture compound comminuted occurs, it is therefore necessary to vapour
Chinese herbaceous peony end structure form, arrangement and Rigidity Matching carry out proper restraint.
The automotive front end structure of the prior art is mostly from pedestrian protecting from the aspect of a certain single structure crumple energy-absorbing, not by vapour
The related many structure arrangements in Chinese herbaceous peony end and Rigidity Matching are uniformly included in carry out overall planning, and since car motor hood height is general
All over relatively low, when pedestrian-vehicle collision accident occurs, pedestrian lower leg is caused in pedestrian's knee and shank position by great impact
Fracture can not play pedestrian lower leg effective protection and meet increasingly harsh pedestrian protecting laws and regulations requirement.
Utility model content
Technical problem to be solved in the utility model is unreasonable for existing automotive front end structure arrangement, is being occurred
When pedestrian-vehicle collision accident, the problem of effective protection can not being played to pedestrian lower leg, a kind of automotive front end structure is provided.
Technical solution is as follows used by the utility model solves above-mentioned technical problem：
A kind of automotive front end structure, including engine casing assembly, preceding grid, front bumper, front anti-collision beam and front end are provided
Module is equipped with shank protective cradle between the front bumper and the front-end module, the shank protective cradle is in vehicle commander side
Upward front end face is connect with the front bumper at underbody, and the rear end face on vehicle commander direction is leaned on the front-end module
It is connected at nearly underbody；It is equipped with preceding guarantor's buffering energy-absorbing block between the front bumper and the front anti-collision beam, protects buffering before described and inhales
Energy block is sheathed on the front anti-collision beam；Front end face of the engine casing assembly on vehicle commander direction is located at the front anti-collision beam and exists
The front of front end face on vehicle commander direction.
Further, the height of the side wall of first crumple groove in the vertical direction is more than second crumple groove
The height of side wall in the vertical direction.
Further, the height of the bottom wall of second crumple groove and first crumple groove junction in the vertical direction
Degree is identical as the height of the bottom wall of first crumple groove in the vertical direction；Second crumple groove and first crumple
The height of the bottom wall of slot junction in the vertical direction is more than the bottom wall of second crumple groove and the front-end module junction
Height in the vertical direction.
Further, the shank protective cradle is arc close to the end face of underbody, and the shank protective cradle is far from institute
It states and is equipped with arc groove at front-end module.
Further, the preceding buffering energy-absorbing block of protecting includes the first energy-absorbing wall and the second energy-absorbing wall, the first energy-absorbing wall
Between the front bumper and the front anti-collision beam, the second energy-absorbing wall connects with the first energy-absorbing wall at underbody
It connects and is extended from the first energy-absorbing wall to the front bumper direction at underbody, the first energy-absorbing wall and described second
Crumple chamber is formed between energy-absorbing wall.
Further, it is equipped with the second crumple hole in the middle part of the first energy-absorbing wall, third is equipped in the middle part of the second energy-absorbing wall
Crumple groove.
Further, the first energy-absorbing wall is equipped with to the inclined inclined-plane of underbody, the inclined-plane and the front bumper
Inner surface matches.
Further, front end face of the engine casing assembly on vehicle commander direction and the front anti-collision beam are in vehicle commander direction
On the distance between front end face be less than 15mm；Front end face of the front bumper on vehicle commander direction exists with the front anti-collision beam
The distance between front end face on vehicle commander direction is more than 90mm；Front end face of the front bumper on vehicle commander direction with it is described small
Distance between front end face of the leg protective cradle on vehicle commander direction is less than 10mm.
The advantageous effect that the utility model is brought is, by carrying out reasonable Arrangement and preceding guarantor buffering to automotive front end structure
The buffer structure of energy absorbent block and shank protective cradle is protected by shank first when pedestrian lower leg being made to strike automotive front end structure
Holder provides support enough to shank lower part, and shank is prevented to be involved in underbody；When the crumple of shank protective cradle to a certain extent when, it is small
Leg starts to protect buffering energy-absorbing block before impacting, and by its absorbing impact on lower legs energy, buffers impact on lower legs；Current buffering energy-absorbing block of protecting connects
When nearly complete crumple, the leading edge of engine casing assembly starts to provide support to leg type top, and absorbs remaining impact on lower legs energy,
Orderly from bottom to top crumple energy-absorbing and thigh support are provided pedestrian lower leg to realize, reduces pedestrian-vehicle collision accident
In caused by pedestrian lower leg injury.
Description of the drawings
Fig. 1 is the structural schematic diagram for the automotive front end structure that one embodiment of the utility model provides；
Fig. 2 is the structural schematic diagram for the shank protective cradle that one embodiment of the utility model provides；
Fig. 3 is the front view for preceding guarantor's buffering energy-absorbing block that one embodiment of the utility model provides；
Fig. 4 is the rearview for preceding guarantor's buffering energy-absorbing block that one embodiment of the utility model provides.
Reference numeral in Figure of description is as follows：
1, engine casing assembly；2, preceding grid；3, front bumper；4, front anti-collision beam；5, front-end module；6, shank protection branch
Frame；61, the first crumple portion；611, the first crumple hole；612, the first crumple groove；62, the second crumple portion；621, the second crumple groove；
63, arc groove；7, preceding guarantor's buffering energy-absorbing block；71, the first energy-absorbing wall；711, the second crumple hole；712, inclined-plane；72, second inhales
It can wall；721, third crumple groove；73, crumple chamber.
Specific implementation mode
The technical issues of in order to keep the utility model solved, technical solution and advantageous effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
As shown in Figs. 1-3, a kind of automotive front end structure of one embodiment of the utility model offer, including engine casing assembly 1,
Preceding grid 2, front bumper 3, front anti-collision beam 4 and front-end module 5 are equipped with small between the front bumper 3 and the front-end module 5
Leg protective cradle 6, front end face of the shank protective cradle 6 on vehicle commander direction connect with the front bumper 3 at underbody
It connects, the rear end face on vehicle commander direction is connected with the front-end module 5 at underbody；The front bumper 3 with it is described preceding anti-
Hit and be equipped with preceding guarantors buffering energy-absorbing block 7 between beam 4, it is described before guarantor's buffering energy-absorbing block 7 be sheathed on the front anti-collision beam 4；It is described to start
Front end face of the hood assembly 1 on vehicle commander direction is located at the front of front end face of the front anti-collision beam 4 on vehicle commander direction.
From the foregoing, it will be observed that the utility model is protected by reasonably constraining hood, front anti-collision beam 4, front bumper 3 and shank
The position relationship and Rigidity Matching between holder 6 are protected, and uses preceding guarantor's buffering energy-absorbing block 7 and 6 form of shank protective cradle, works as row
When people's lower limb crash with automotive front end, orderly gradual crumple can occur from bottom to top for automotive front end structure
Energy-absorbing ensures the impact for smaller bending occurring at pedestrian lower leg knee joint and reduction shank shin is subject to, prevents knee ligament
It fractures with shank shin, effectively reduces pedestrian lower leg damage, to prevent pedestrian in people's vehicle accident from disability or death occurs.
Further, as shown in Fig. 2, the shank protective cradle 6 is equipped with the first crumple portion 61 and the second crumple portion 62, institute
State the first crumple portion 61 set on the shank protective cradle 6 far from the front-end module 5 at, first crumple portion 61 is along vehicle width
Direction is alternatingly arranged with the first crumple hole 611 and the first crumple groove 612；Second crumple portion 62 is set to shank protection branch
For frame 6 at the front-end module 5, second crumple portion 62 is equipped with the second crumple groove.The shank protective cradle 6 is close to vehicle
The end face at bottom be arc, the shank protective cradle 6 far from the front-end module 5 be equipped with arc groove 63.It bursts by first
The design in contracting portion 61, the second crumple portion 62 and arc groove 63, and the first crumple portion 61 bursts equipped with the first crumple hole 611, second
Contracting portion 62 is equipped with the second crumple groove so that crumple can preferably occur for the first crumple portion 61 but the second crumple portion 62 keeps preferable
Rigidity, realize shank 6 one side rigidity of protective cradle it is larger, to shank lower part provide enough support, shank can be prevented to be involved in
Underbody, on the other hand again can during pedestrian's lower leg crash crumple energy-absorbing in an orderly manner, effectively reduce pedestrian lower leg damage.
Specifically, as shown in Fig. 2, the height of the side wall of first crumple groove 612 in the vertical direction, it is more than described the
The height of the side wall of two crumple grooves in the vertical direction.The bottom of second crumple groove and 612 junction of the first crumple groove
The height of wall in the vertical direction is identical as the height of the bottom wall of first crumple groove 612 in the vertical direction；Described second
The height of the bottom wall of crumple groove and 612 junction of the first crumple groove in the vertical direction, be more than second crumple groove with
The height of the bottom wall of 5 junction of the front-end module in the vertical direction.By the way that the Sidewall Height of the first crumple groove 612 is arranged
For the Sidewall Height more than the second crumple groove, the height of the second crumple groove and the bottom wall of 612 junction of the first crumple groove is more than the
The height of two crumple grooves and the bottom wall of 5 junction of front-end module so that the side of the side wall and the second crumple groove of the first crumple groove 612
Wall forms the stairstepping in height, and the bottom wall of the second crumple groove also forms the ladder in height, orderly progressive so as to occur
The crumple energy-absorbing of formula effectively reduces pedestrian lower leg damage.
Further, as shown in figure 3, protecting buffering energy-absorbing block 7 before described includes the first energy-absorbing wall 71 and the second energy-absorbing wall 72,
The first energy-absorbing wall 71 is set between the front bumper 3 and the front anti-collision beam 4, the second energy-absorbing wall 72 and described the
One energy-absorbing wall 71 connects at underbody and is prolonged from the first energy-absorbing wall 71 to 3 direction of the front bumper at underbody
It stretches, forms crumple chamber 73 between the first energy-absorbing wall 71 and the second energy-absorbing wall 72.The first energy-absorbing wall, 71 middle part is set
There are the second crumple hole 711,72 middle part of the second energy-absorbing wall to be equipped with third crumple groove 721.The first energy-absorbing wall 71 be equipped with to
The inclined inclined-plane 712 of underbody, the inclined-plane 712 is matched with the inner surface of the front bumper 3.Before preceding guarantor's buffering energy-absorbing block 7
End face and lower face make it have conjunction by the way that the Weakening treatments such as the second crumple hole 711, third crumple groove 721, inclined-plane 712 are arranged
The rigidity of reason, can absorbing impact on lower legs energy, buffer impact on lower legs.
As shown in Figure 1, front end face of the front anti-collision beam 4 on vehicle commander direction is set to the engine casing assembly 1 in vehicle
The rear of front end face on length direction, it is preferable that front end face of the engine casing assembly 1 on vehicle commander direction with it is described preceding anti-
The distance hit between front end face of the beam 4 on vehicle commander direction is less than 15mm.Front end face of the front anti-collision beam 4 on vehicle commander direction
Set on the rear of front end face of the front bumper 3 on vehicle commander direction, it is preferable that the front bumper 3 is on vehicle commander direction
Front end face on vehicle commander direction of front end face and the front anti-collision beam 4 between at a distance from be more than 90mm.The shank protection branch
Front end face of the frame 6 on vehicle commander direction is set to the rear of front end face of the front bumper 3 on vehicle commander direction, it is preferable that institute
It states between the front end face of front end face and the shank protective cradle 6 on vehicle commander direction of the front bumper 3 on vehicle commander direction
Distance is less than 10mm.
When pedestrian lower leg strikes automotive front end structure, contacted first with shank protective cradle 6, the utility model it is small
6 rigidity of leg protective cradle is larger, can provide shank lower part support enough, shank can be prevented to be involved in underbody；When shank is protected
When the crumple of holder 6 reaches certain distance, shank starts to protect buffering energy-absorbing block 7 before impacting, and the preceding guarantor of the utility model, which buffers, to inhale
Energy 7 front end face of block and lower face are made it have rationally by the way that the Weakening treatments such as the second crumple hole 711, third crumple groove 721 are arranged
Rigidity can absorb and buffer impact on lower legs, and current buffering energy-absorbing block 7 of protecting is close to when complete crumple, 1 leading edge of engine casing assembly
Start to provide support to leg type top, and absorbs remaining impact energy.In collision process, the automotive front end knot of the utility model
Structure provides pedestrian lower leg crumple energy-absorbing orderly from bottom to top, and thigh support orderly from bottom to top, makes pedestrian's leg
Impact energy suffered by portion is efficiently absorbed, and smaller bending occurs for leg, to prevent pedestrian lower leg ligamentum patellae and shank
The positions such as shin bone are fractured, and are significantly improved pedestrian protecting leg and are touched performance.
By above description it is found that the advantageous effect that the utility model is brought is, by being carried out to automotive front end structure
Reasonable Arrangement and the preceding buffer structure for protecting buffering energy-absorbing block 7 and shank protective cradle 6, make automotive front end structure upper, middle and lower rigidity
With more rationally, reduces in collision accident and injured caused by pedestrian lower leg.
Above disclosures are merely preferred embodiments of the utility model, with this utility model cannot be limited certainly
Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.
Claims (9)
1. a kind of automotive front end structure, including engine casing assembly, preceding grid, front bumper, front anti-collision beam and front-end module,
It is characterized in that, shank protective cradle is equipped between the front bumper and the front-end module, the shank protective cradle is in vehicle
Front end face on length direction is connect with the front bumper at underbody, the rear end face on vehicle commander direction and the front end mould
Block connects at underbody；It is equipped with preceding guarantor's buffering energy-absorbing block between the front bumper and the front anti-collision beam, is protected before described slow
It rushes energy absorbent block and is sheathed on the front anti-collision beam；Front end face of the engine casing assembly on vehicle commander direction is located at the preceding anticollision
The front of front end face of the beam on vehicle commander direction.
2. automotive front end structure according to claim 1, which is characterized in that the shank protective cradle is equipped with the first crumple
Portion and the second crumple portion, first crumple portion be set to the shank protective cradle far from the front-end module at, described first
Crumple portion is alternatingly arranged with the first crumple hole and the first crumple groove along vehicle width direction；Second crumple portion is protected set on the shank
Holder is protected at the front-end module, second crumple portion is equipped with the second crumple groove.
3. automotive front end structure according to claim 2, which is characterized in that the side wall of first crumple groove is in vertical side
Upward height is more than the height of the side wall of second crumple groove in the vertical direction.
4. automotive front end structure according to claim 3, which is characterized in that second crumple groove and first crumple
The height of the bottom wall of slot junction in the vertical direction, with the height phase of the bottom wall of first crumple groove in the vertical direction
Together；The height of the bottom wall of second crumple groove and first crumple groove junction in the vertical direction, is more than described second
The height of the bottom wall of crumple groove and the front-end module junction in the vertical direction.
5. automotive front end structure according to claim 1, which is characterized in that the shank protective cradle is close to the end of underbody
Face is arc, the shank protective cradle far from the front-end module be equipped with arc groove.
6. automotive front end structure according to claim 1, which is characterized in that it includes the first suction to protect buffering energy-absorbing block before described
Energy wall and the second energy-absorbing wall, the first energy-absorbing wall are set between the front bumper and the front anti-collision beam, and described second inhales
Can wall connect at underbody with the first energy-absorbing wall and from the first energy-absorbing wall at underbody to the front bumper
Direction extends, and crumple chamber is formed between the first energy-absorbing wall and the second energy-absorbing wall.
7. automotive front end structure according to claim 6, which is characterized in that be equipped with second in the middle part of the first energy-absorbing wall and burst
Shrinkage cavity, the second energy-absorbing wall middle part are equipped with third crumple groove.
8. automotive front end structure according to claim 6, which is characterized in that the first energy-absorbing wall is equipped with to underbody and tilts
Inclined-plane, the inclined-plane is matched with the inner surface of the front bumper.
9. automotive front end structure according to any one of claims 1 to 8, which is characterized in that the engine casing assembly exists
It is less than 15mm at a distance between the front end face of front end face on vehicle commander direction and the front anti-collision beam on vehicle commander direction；Before described
It is more than at a distance between the front end face of front end face of the bumper on vehicle commander direction and the front anti-collision beam on vehicle commander direction
90mm；Front end face of the front bumper on vehicle commander direction and front end face of the shank protective cradle on vehicle commander direction it
Between distance be less than 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820052198.1U CN207790611U (en) | 2018-01-12 | 2018-01-12 | Automotive front end structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820052198.1U CN207790611U (en) | 2018-01-12 | 2018-01-12 | Automotive front end structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207790611U true CN207790611U (en) | 2018-08-31 |
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ID=63271597
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820052198.1U Active CN207790611U (en) | 2018-01-12 | 2018-01-12 | Automotive front end structure |
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| CN (1) | CN207790611U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329204A (en) * | 2019-07-01 | 2019-10-15 | 东风汽车集团有限公司 | Automotive front end pedestrian lower leg safeguard structure |
| CN111516628A (en) * | 2020-04-24 | 2020-08-11 | 东风汽车集团有限公司 | Integrated pedestrian protection structure |
| CN111907448A (en) * | 2020-08-10 | 2020-11-10 | 宁波吉利汽车研究开发有限公司 | Vehicle passes power route front end structure and vehicle |
| CN112810701A (en) * | 2021-01-18 | 2021-05-18 | 吉利汽车研究院（宁波）有限公司 | Automobile front end mounting framework |
| CN114291027A (en) * | 2021-12-06 | 2022-04-08 | 智马达汽车有限公司 | Pedestrian leg protection device at front end of vehicle and vehicle |
-
2018
- 2018-01-12 CN CN201820052198.1U patent/CN207790611U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329204A (en) * | 2019-07-01 | 2019-10-15 | 东风汽车集团有限公司 | Automotive front end pedestrian lower leg safeguard structure |
| CN111516628A (en) * | 2020-04-24 | 2020-08-11 | 东风汽车集团有限公司 | Integrated pedestrian protection structure |
| CN111907448A (en) * | 2020-08-10 | 2020-11-10 | 宁波吉利汽车研究开发有限公司 | Vehicle passes power route front end structure and vehicle |
| CN112810701A (en) * | 2021-01-18 | 2021-05-18 | 吉利汽车研究院（宁波）有限公司 | Automobile front end mounting framework |
| CN112810701B (en) * | 2021-01-18 | 2022-08-16 | 浙江吉利控股集团有限公司 | Automobile front end mounting framework |
| CN114291027A (en) * | 2021-12-06 | 2022-04-08 | 智马达汽车有限公司 | Pedestrian leg protection device at front end of vehicle and vehicle |
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