CN202641587U - Lower leg injury protection front bumper system for pedestrians - Google Patents
Lower leg injury protection front bumper system for pedestrians Download PDFInfo
- Publication number
- CN202641587U CN202641587U CN 201220291396 CN201220291396U CN202641587U CN 202641587 U CN202641587 U CN 202641587U CN 201220291396 CN201220291396 CN 201220291396 CN 201220291396 U CN201220291396 U CN 201220291396U CN 202641587 U CN202641587 U CN 202641587U
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- China
- Prior art keywords
- bumper
- spoiler
- pedestrian
- exterior skin
- injury protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a lower leg injury protection front bumper system for pedestrians. The lower leg injury protection front bumper system comprises a bumper and a buffering and energy-absorbing block, wherein the bumper is positioned below an engine cover and a main air inlet grating of a vehicle body, and comprises a bumper outer skin and a bumper transverse beam; both the bumper outer skin and the bumper transverse beam have U-shaped structures which are arranged transversely and are provided with forward openings; and the back part of the bumper transverse beam is provided with a plurality of reinforcing ribs which are vertical to a bumper body, and is provided with the buffering and energy-absorbing block. According to the lower leg injury protection front bumper system, impact force of the vehicle body on the lower legs of a person can be reduced effectively when the person is collided with a vehicle, so that damages to the lower legs of the person are reduced, and the safety of pedestrians can be protected effectively.
Description
Technical field
The utility model relates to the body of motor vehicle annex, relates in particular to a kind of pedestrian's shank injury protection front bumper system that can effectively reduce pedestrian's lower extremity injury when automobile and pedestrian bump.
Background technology
In recent years, along with the increase of traffic safety consciousness, in China, the frequency that road traffic accident occurs descended to some extent, but traffic accident causes total casualties still very large.Analyze according to statistics, in all road traffic accidents, pedestrian's injures and deaths have accounted for greatly 20% of total casualties; Wherein the lower extremity injury occurrence frequency is only second to head injury.
In people, car collision process, automobile front beam is the keystone configuration that causes pedestrian's lower extremity injury.When accident occurs, pedestrian's shank or knee joint zone at first with bumper/spoiler generation direct impact, shin bone bears direct impact force because the delay of femur motion, shearing load also can be born in the knee joint zone in Bending load.If the area of contact of lower limb and bumper/spoiler is too small, and the rigidity of bumper/spoiler is larger, shin bone will bear larger concentrated load, and larger bending and shearing load can be born in the knee joint zone.Therefore, protection has important meaning to the design of automobile front beam Security of the system to pedestrian's lower extremity injury.
The utility model content
The technical matters that the utility model solves is to provide a kind of pedestrian's shank injury protection front bumper system, this bumper assembly can effectively alleviate pedestrian's lower extremity injury, and cost is lower, and easy for installation, can be used for solving the relevant issues in the above-mentioned background technology.
The technical matters that the utility model solves realizes by the following technical solutions:
Pedestrian's shank injury protection front bumper system; comprise bumper/spoiler and buffering energy-absorbing piece; wherein; described safety lever is positioned at car bonnet and the main air-inlet grille below of car body; comprise bumper/spoiler exterior skin and safety lever crossbeam; its bumper/spoiler exterior skin and safety lever crossbeam are horizontal placement and opening U-shaped structure forward; the bumper/spoiler exterior skin is positioned at the bumper beam front portion; and the bumper beam rear portion is provided with some reinforced ribs vertical with the thick stick body; can provide the certain protection of pedestrian's Anti-scratching and a small amount of buffer protection by the bumper/spoiler exterior skin; described buffering energy-absorbing piece is between bumper beam and bumper/spoiler exterior skin; and connect the auxiliary bumper brace panel that the bumper/spoiler bottom connects, and the terminal connection fixing device that passes through of auxiliary bumper brace panel is connected with the tank bracket of automobile.
In the utility model, described buffering energy-absorbing piece is that expanded material or plastics are made, and its energy-absorbing efficient is high, can effectively absorb energy during collision, reduce the fracture of tibia risk at people-Che.And the larger stearic plastics of the material selection rigidity of auxiliary bumper brace panel, and the buffering energy-absorbing piece considers to be complementary with auxiliary bumper brace panel rigidity at structure design, to reduce kneed damage.
As further improvement, in the bumper assembly of the present utility model, the upper and lower two-part front end face of the exterior skin of described insurance bar body is on same cross-sectional plane.
As further improvement, in the bumper assembly of the present utility model, auxiliary bumper is made of the plastics plate of an integral body, can also serve as the automotive front base plate when alleviating Knee Injury of Pedestrian.
In the bumper assembly of the present utility model, be provided with the buffering energy-absorbing piece of foam texture between bumper beam and the bumper/spoiler exterior skin.When the purpose of this structure design was to reduce the fracture of tibia risk, it was complementary with the rigidity of auxiliary bumper brace panel on structure design, so that the flexural load that knee joint bears when reducing people-Che collision.
Beneficial effect: the utility model is simple in structure, and is easy for installation, good with the integraty of vehicle body; and compare with traditional bumper assembly; the mentioned bumper assembly of this patent not only can be protected car body when people-Che collision, also can effectively reduce the suffered damage of pedestrian's lower limb simultaneously.
Description of drawings
Fig. 1 is bumper system for vehicles structure partial schematic cross-section of the present utility model.
Fig. 2 is bumper/spoiler rear structure schematic diagram in the utility model bumper assembly.
Fig. 3 is the schematic diagram of the utility model bumper system for vehicles and pedestrian's lower limb contacts side surfaces.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Embodiment referring to Fig. 1 pedestrian's shank injury protection front bumper system, in the present embodiment, bumper assembly comprises bumper beam 6, is positioned at the bump rubber 4 of bumper beam front portion, the auxiliary bumper brace panel 5 that wraps in the bumper/spoiler exterior skin 3 in bump rubber 4 outsides and be installed in bumper/spoiler exterior skin back.
The bumper beam 6 of metal construction is connected by welding on the body framwork; Auxiliary bumper brace panel 5 front ends are connected with bumper/spoiler exterior skin 3 by buckle, and the rear end is installed to tank bracket 7 bottoms by bolt.In order to protect better pedestrian's lower limb, bumper/spoiler exterior skin 3 is arranged to integral type, and the front end face of the front end face of assurance auxiliary bumper brace panel 5 and bump rubber 4 is on a cross-sectional plane.Main air inlet grid 2 is installed between bumper/spoiler exterior skin 3 and the automotive hood 1.
Described buffering energy-absorbing piece 4 is placed in the cavity between bumper/spoiler exterior skin 3 and the bumper beam 6, and require this device after automobile and pedestrian bump, can effectively absorb collision energy, can adopt the higher expanded material of energy-absorbing efficient or makrolon material.
The structure of auxiliary bumper brace panel described in the utility model increases the integral rigidity of brace panel as shown in Figure 2 by increasing reinforced rib 51, this brace panel rear end is connected with tank bracket by connecting fixing device 52.This brace panel is installed in the bottom of automobile front structure, in protection pedestrian lower limb, can also serve as the automobile noseplate.
Below in conjunction with accompanying drawing 1,2 and 3, to describe when automobile and pedestrian bump, this patent is how effectively to alleviate pedestrian's lower extremity injury.
When pedestrian and car collision, pedestrian's lower limb at first contact with the outermost bumper/spoiler exterior skin 3 of bumper assembly, and then, pedestrian's lower limb setting in motion is so that bumper/spoiler exterior skin 3 contacts with buffering energy-absorbing piece 4; In lower limb collision compression energy absorbent block, the contact force of 5 pairs of pedestrian's lower limb of auxiliary bumper brace panel so that lower limb can be to the car chassis lower knuckle, thereby reduces kneed side-bend; The structure design of energy absorbent block can when the lower limb resilience, be conducive to reduce kneed bending.
This patent requires buffering energy-absorbing piece 4 can effectively absorb energy, is delivered to impulsive force on the shin bone with reduction; Require simultaneously auxiliary bumper brace panel 5 and the rigidity of buffering energy-absorbing piece 4 will mate the load of being born to reduce knee joint better.
Compare with traditional bumper assembly, when the mentioned bumper assembly of this patent can reduce people-Che collision effectively, the damage that pedestrian's lower limb are suffered.
Above demonstration and described groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. pedestrian's shank injury protection front bumper system, comprise bumper/spoiler and buffering energy-absorbing piece, it is characterized in that, described safety lever is positioned at car bonnet and the main air-inlet grille below of car body, comprise bumper/spoiler exterior skin and safety lever crossbeam, its bumper/spoiler exterior skin and safety lever crossbeam are horizontal placement and opening U-shaped structure forward, the bumper/spoiler exterior skin is positioned at the bumper beam front portion, and the bumper beam rear portion is provided with some reinforced ribs vertical with the thick stick body, described buffering energy-absorbing piece is between bumper beam and bumper/spoiler exterior skin, and connect the auxiliary bumper brace panel that the bumper/spoiler bottom connects, and the terminal connection fixing device that passes through of auxiliary bumper brace panel is connected with the tank bracket of automobile.
2. pedestrian's shank injury protection front bumper according to claim 1 system, it is characterized in that, described buffering energy-absorbing piece is that expanded material or plastics are made, and the stearic plastics of the material selection of auxiliary bumper brace panel are made, and buffering energy-absorbing piece and auxiliary bumper brace panel rigidity are complementary.
3. pedestrian's shank injury protection front bumper according to claim 1 system is characterized in that, the upper and lower two-part front end face of the exterior skin of described insurance bar body is on same cross-sectional plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220291396 CN202641587U (en) | 2012-06-20 | 2012-06-20 | Lower leg injury protection front bumper system for pedestrians |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220291396 CN202641587U (en) | 2012-06-20 | 2012-06-20 | Lower leg injury protection front bumper system for pedestrians |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641587U true CN202641587U (en) | 2013-01-02 |
Family
ID=47410739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220291396 Expired - Fee Related CN202641587U (en) | 2012-06-20 | 2012-06-20 | Lower leg injury protection front bumper system for pedestrians |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717768A (en) * | 2012-06-20 | 2012-10-10 | 湖南大学 | Front bumper system for protecting shanks of pedestrian from being hurt |
| US10144386B2 (en) | 2015-02-13 | 2018-12-04 | Ford Global Technologies, Llc | Belly pan and energy absorption system for a motor vehicle |
-
2012
- 2012-06-20 CN CN 201220291396 patent/CN202641587U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717768A (en) * | 2012-06-20 | 2012-10-10 | 湖南大学 | Front bumper system for protecting shanks of pedestrian from being hurt |
| US10144386B2 (en) | 2015-02-13 | 2018-12-04 | Ford Global Technologies, Llc | Belly pan and energy absorption system for a motor vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150620 |
|
| EXPY | Termination of patent right or utility model |