CN106740647A - Pedestrian protection structure - Google Patents
Pedestrian protection structure Download PDFInfo
- Publication number
- CN106740647A CN106740647A CN201611255439.4A CN201611255439A CN106740647A CN 106740647 A CN106740647 A CN 106740647A CN 201611255439 A CN201611255439 A CN 201611255439A CN 106740647 A CN106740647 A CN 106740647A
- Authority
- CN
- China
- Prior art keywords
- energy
- support
- absorption box
- leg support
- fixedly connected
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
- B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
- B60R2021/0053—Legs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of pedestrian protection structure, belong to technical field of automobile parts.The pedestrian protecting structure includes：Crossbeam, small leg support, energy-absorption box and supporting construction, the crossbeam is fixedly connected with the small leg support, the energy-absorption box is fixed on the fixed connection place of the crossbeam and the small leg support, described supporting construction one end is fixedly connected with the small leg support, and the other end is fixedly connected with the energy-absorption box.Pedestrian protection structure provided in an embodiment of the present invention is by extension supporting structure between the small leg support and energy-absorption box in existing pedestrian protecting structure; the support of profit can be formed with to small leg support; so that small leg support is not easy to be deformed in stress; so as to improve the anti-collision performance of whole pedestrian protecting structure; it is final to provide more preferable protective effect to pedestrian; due to this structure simple structure, work well, can the extensive use in pedestrian protection structure application field.
Description
Technical field
The present invention relates to technical field of automobile parts, more particularly to a kind of pedestrian protection structure.
Background technology
As automobile cause is continued to develop, automobile has become an indispensable part in society life, but with
Increasing for automobile, traffic accident is also on the increase, automobile industry requires also more and more higher to the security performance of automobile.People,
During car bumps against, automobile front beam is the primary structure for causing pedestrian's lower extremity injury, and when accident occurs, pedestrian shank is first
First there is direct collision with front bumper, shin bone bears direct impact force, due to the delay of shin bone, and then causes knee joint area
Domain is while bending load is born also subject to shear-type load.People regarding to the issue above, some rows are devised in automotive front end
People's protection structure is protecting pedestrian lower leg safety.
In the prior art, the patent of Application No. 201120540240.2 discloses protection structure after a kind of automobile, should
Protection structure includes rear cross beam and is connected in the energy-absorption box at rear cross beam inner side two ends after automobile, and energy-absorption box one end passes through spiral shell with car body
Bolt is mutually fixed, and the other end is welded on rear cross beam.Because energy-absorption box is attached with car body using bolt, it is easy to after collision deformation
Detachable maintaining is carried out, while can be with reduces cost.The technical scheme of the patent is that protection is improved on the basis of original technology
The connected mode of structure and car body, it is more quick detachable, but in protection structure pedestrian protecting is not improved functionally.Later
Technology in, occur in that the pedestrian protecting structure including crossbeam, energy-absorption box and small leg support, increase small leg support and further strengthen
The protective effect of total, energy-absorption box can then absorb part energy during collision, although however, this structure is in original skill
Improved in art, but when car body collides, the crossbeam in front can deform because of impact, from can be good
Supporting small leg support, and then small leg support can also deform, and can thus influence protection of the total to pedestrian, its protection
Performance has much room for improvement.
The content of the invention
In order to solve problem of the prior art, a kind of pedestrian protection structure is the embodiment of the invention provides.The skill
Art scheme is as follows：
There is provided a kind of pedestrian protection structure, the pedestrian protecting structure includes：Crossbeam, small leg support, energy-absorption box
And supporting construction, the crossbeam is fixedly connected with the small leg support, and it is small with described that the energy-absorption box is fixed on the crossbeam
The fixed connection place of leg support, described supporting construction one end is fixedly connected with the small leg support, the other end and the energy-absorption box
It is fixedly connected.
Preferably, the crossbeam includes entablature, sill, and the small leg support includes left leg support, right leg branch
Frame, the energy-absorption box includes left energy-absorption box and right energy-absorption box, and the supporting construction includes left support structure and right support structure, institute
State the two ends of entablature upper end respectively with the left leg support, the upper end of the right leg support to be fixedly connected, sill
Two ends lower end respectively with the left leg support, the lower end of the right leg support be fixedly connected, left energy-absorption box is located at institute
State the upper end of left leg support and the offside of the entablature connecting side, and upper end, the upper horizontal stroke with the left leg support
One end of beam is fixedly connected, and right energy-absorption box is located at the upper end of the right leg support and the offside of the entablature connecting side, and
The other end of upper end, the entablature with the right leg support is fixedly connected, in the left energy-absorption box and the left leg
Between support, left support structure and right support structure are respectively fixed between the right energy-absorption box and the right leg support.
Preferably, the left support structure is left support plate, one end of the left support plate and the left energy-absorption box bottom surface
It is fixedly connected, the other end of the left support plate is fixedly connected with the left leg support, the right support structure is right support
Plate, one end of the right support plate is fixedly connected with the right energy-absorption box bottom surface, the other end of the right support plate and the right side
Small leg support is fixedly connected, and the left support plate has the first pre-determined tilt angle relative to the left energy-absorption box bottom surface, described
Right support plate has the second pre-determined tilt angle relative to the right energy-absorption box.
Preferably, the first pre-determined tilt angle and the second pre-determined tilt angle are 30 °.
Preferably, the left support structure is formed by the extension bending of the left energy-absorption box, the right support structure
Formed by the extension bending of the right energy-absorption box.
Preferably, the left support structure include left support portion and left fixed part, the left support portion with the left suction
Energy cassette bottom face is formed into the bend mode of the first predetermined angle, and the left fixed part is fixedly connected with the left leg support, institute
Stating right support structure includes right support portion and right fixed part, and the right support portion is with predetermined into second with the right energy-absorption box bottom surface
The bend mode of angle is formed, and the right fixed part is fixedly connected with the right leg support.
Preferably, the described first predetermined angle and the second predetermined angle are 30 °.
Preferably, the pedestrian protecting structure also includes connecting plate, and the connecting plate is fixedly connected with the energy-absorption box, institute
State and be provided with connecting plate screwed hole and/or buckle via.
Preferably, the connecting plate includes left connection board and right connection board, and the left connection board is solid with the left energy-absorption box
Fixed connection, the right connection board is fixedly connected with the right energy-absorption box.
Preferably, it is described to be fixedly connected as welding.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
In sum, pedestrian protection structure provided in an embodiment of the present invention, by small leg support and energy-absorption box it
Between extension supporting structure, supporting construction is formed certain supporting role to small leg support, so as to receiving shock in vehicle front
When, even if in the case where above crossbeam deforms, small leg support on rear side of crossbeam is not easy due to the reason of supporting construction
Deform, so as to strengthen the protective value of whole protection structure, improve the stability of protection structure, current this structure is
Verified through the dependence test by this area, compared to conventional, vehicle pedestrian protecting ability is effectively improved really.Separately
Outward, pedestrian protection structure provided in an embodiment of the present invention also has simple structure, and low cost and other advantages can be in pedestrian
Protection structure field is widely popularized.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the dimensional structure diagram of pedestrian protection structure provided in an embodiment of the present invention；
Fig. 2 is the partial structural diagram of pedestrian protection structure provided in an embodiment of the present invention；
Fig. 3 is the partial structural diagram of pedestrian protection structure provided in an embodiment of the present invention；
Fig. 4 is the side structure schematic diagram of pedestrian protection structure provided in an embodiment of the present invention；
Fig. 5 is the side structure schematic diagram of pedestrian protection structure provided in an embodiment of the present invention；
Fig. 6 is pedestrian protection structure provided in an embodiment of the present invention and a kind of pedestrian protecting structure in the prior art
Contrast schematic diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention in it is attached
Figure, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only this
A part of embodiment is invented, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of protection of the invention is belonged to.
Pedestrian protection structure provided in an embodiment of the present invention includes：Crossbeam, small leg support, energy-absorption box and support knot
Structure, the crossbeam is fixedly connected with the small leg support, and the energy-absorption box is fixed on consolidating for the crossbeam and the small leg support
Determine junction, described supporting construction one end is fixedly connected with the small leg support, and the other end is fixedly connected with the energy-absorption box.This
Inventive embodiments provide pedestrian protection structure by the small leg support and energy-absorption box in existing pedestrian protecting structure it
Between extension supporting structure, small leg support can be formed with profit support so that small leg support is not easy to be deformed in stress,
So as to improve the anti-collision performance of whole pedestrian protecting structure, more preferable protective effect finally is provided to pedestrian, due to this structure
Simple structure, works well, can the extensive use in pedestrian protection structure application field.
Pedestrian protection structure provided in an embodiment of the present invention is made specifically with reference to specific embodiments and the drawings
It is bright.
Fig. 1 is the dimensional structure diagram of pedestrian protection structure provided in an embodiment of the present invention.Fig. 2 is of the invention real
The side structure schematic diagram of the pedestrian protection structure of example offer is provided.Fig. 3 is that pedestrian provided in an embodiment of the present invention is protected
The partial structural diagram of protection structure.Fig. 4 is that the side structure of pedestrian protection structure provided in an embodiment of the present invention is illustrated
Figure.Fig. 5 is the side structure schematic diagram of pedestrian protection structure provided in an embodiment of the present invention.
Pedestrian protection structure provided in an embodiment of the present invention includes：Crossbeam, small leg support, energy-absorption box and support knot
Structure.
Preferably, as shown in Figure 1 to Figure 3, crossbeam includes entablature 11, sill 12, and small leg support includes left leg branch
Frame 21, right leg support 22, energy-absorption box include left energy-absorption box 31 and right energy-absorption box 32, and supporting construction includes left support structure 311a
With right support structure 321a.11 two ends of entablature upper end respectively with left leg support 21, the upper end of right leg support 22 are consolidated
Fixed connection, the two ends of sill 12 lower end respectively with left leg support 21, the lower end of right leg support 22 are fixedly connected.Left suction
Can box 31 be located at left leg support 21 upper end and the connecting side of entablature 11 offside, and upper end with left leg support 21, on
One end of crossbeam 11 is fixedly connected, and right energy-absorption box 32 is located at the upper end of right leg support 22 and the offside of the connecting side of entablature 11,
And upper end with right leg support 22, the other end of entablature 11 are fixedly connected.Left energy-absorption box 31 and left leg support 21 it
Between, left support structure 311a and right support structure 321a is respectively fixed between right energy-absorption box 32 and right leg support 22.Left branch
Support structure 311a and right support structure 321a each serve as the support left leg support 21, effect of right leg support 22.Here
Supporting construction can be with supporting plate, support bar or other other structures acted on the small leg support of support, the invention is not restricted to this.
Preferably, as shown in Figures 2 and 3, left support structure 311a is left support plate, one end of left support structure 311a
It is fixedly connected with the bottom surface 311 of left energy-absorption box 31, the other end of left support structure 311a is fixedly connected with left leg support 21.It is right
Supporting construction 321a is right support plate, and one end of right support structure 321a is fixedly connected with the bottom surface 321 of right energy-absorption box 32, should
The other end of right support structure 321a is fixedly connected with right leg support 22.Here left support structure 311a and right support structure
321a can be made of high strength steel, the invention is not restricted to this.
Additionally preferably, left support structure 311a has the first pre-determined tilt angle relative to the bottom surface 311 of left energy-absorption box 31
Degree A1(not shown)；As shown in figure 4, right support structure 321a has the second pre-determined tilt angle relative to right energy-absorption box 32
A2。
Preferably, the first pre-determined tilt angle A1With the second pre-determined tilt angle A2It is 30 °.
Preferably, left support structure 311a is formed by the extension bending of left energy-absorption box 31, right support structure 312a by
The extension bending of right energy-absorption box 32 is formed.Left support structure 311a be with left energy-absorption box 31 it is integrally formed, it is specifically left
Supporting construction 311a is formed by the extension bending of the bottom surface 311 of left energy-absorption box 31；Right support structure 321a and right energy-absorption box
32 is integrally formed, and specifically right support structure 321a is formed by the extension bending of the bottom surface 321 of right energy-absorption box 32.
Preferably, left support structure 311a include left support portion and left fixed part (not shown), left support portion with
The predetermined included angle A in 311 one-tenth of bottom surface first of left energy-absorption box 311Bend mode formed, left fixed part is fixed with left leg support 21
Connection；As shown in figure 5, right support structure 321a include right support portion 51 and right fixed part 52, right support portion 51 with right energy-absorbing
The predetermined included angle A in 321 one-tenth of bottom surface second of box 322Bend mode formed, right fixed part 52 is fixedly connected with right leg support 22.
Preferably, the first predetermined included angle A1With the described second predetermined included angle A1It is 30 °.
Fig. 6 is pedestrian protection structure provided in an embodiment of the present invention and a kind of pedestrian protecting structure in the prior art
Contrast schematic diagram.As shown in fig. 6, pedestrian protection structure provided in an embodiment of the present invention exists with the difference of prior art
In the structure 321a extensions on the bottom surface 321 of energy-absorption box 32 are different from the 321a ' in prior art, and the present invention is logical
Cross and the part-structure extension bending of the bottom surface of energy-absorption box formed into supporting construction, and fixed part using supporting construction with
Small leg support is fixedly connected, such as when it is welding that this is fixedly connected, when being made to whole automobile protection pedestrian's structure,
Compared with prior art, increased material cost is smaller, and only needs between supporting construction and small leg support being provided with more
One weld seam, is just readily available this kind of supporting construction provided in an embodiment of the present invention.
Additionally preferably, pedestrian protection structure provided in an embodiment of the present invention also includes connecting plate, connecting plate and suction
Energy box is fixedly connected, and screwed hole and/or buckle via are provided with connecting plate.
Preferably, Fig. 1 is returned, connecting plate includes left connection board 41 and right connection board 42, left connection board 41 and left energy-absorbing
Box 31 is fixedly connected, and right connection board 42 is fixedly connected with right energy-absorption box 31.
Preferably, all modes that are fixedly connected in such scheme are welding.
Above-mentioned all optional technical schemes, can form alternative embodiment of the invention, herein no longer using any combination
Repeat one by one.
In sum, pedestrian protection structure provided in an embodiment of the present invention, by small leg support and energy-absorption box it
Between extension supporting structure, supporting construction is formed certain supporting role to small leg support, so as to receiving shock in vehicle front
When, even if in the case where above crossbeam deforms, small leg support on rear side of crossbeam is not easy due to the reason of supporting construction
Deform, so as to strengthen the protective value of whole protection structure, improve the stability of protection structure, current this structure is
Verified through the dependence test by this area, compared to conventional, vehicle pedestrian protecting ability is effectively improved really.Separately
Outward, pedestrian protection structure provided in an embodiment of the present invention also has simple structure, and low cost and other advantages can be in pedestrian
Protection structure field is widely popularized.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of pedestrian protection structure, it is characterised in that the pedestrian protecting structure includes：Crossbeam, small leg support, energy-absorbing
Box and supporting construction, the crossbeam are fixedly connected with the small leg support, the energy-absorption box be fixed on the crossbeam with it is described
The fixed connection place of small leg support, described supporting construction one end is fixedly connected with the small leg support, the other end and the energy-absorbing
Box is fixedly connected.
2. pedestrian protection structure according to claim 1, it is characterised in that the crossbeam includes entablature, lower horizontal stroke
Beam, the small leg support includes left leg support, right leg support, and the energy-absorption box includes left energy-absorption box and right energy-absorption box, institute
Stating supporting construction includes left support structure and right support structure, and the two ends of the entablature are upper with the left leg support respectively
End, the upper end of the right leg support are fixedly connected, the two ends of sill lower end, the right side respectively with the left leg support
The lower end of small leg support is fixedly connected, and the upper end that left energy-absorption box is located at the left leg support is right with the entablature connecting side
Side, and upper end with the left leg support, one end of the entablature be fixedly connected, right energy-absorption box is located at the right leg branch
The offside of the upper end of frame and the entablature connecting side, and upper end, the other end of the entablature with the right leg support
It is fixedly connected, between the left energy-absorption box and the left leg support, between the right energy-absorption box and the right leg support
It is respectively fixed with left support structure and right support structure.
3. pedestrian protection structure according to claim 2, it is characterised in that the left support structure is left support
Plate, one end of the left support plate is fixedly connected with the left energy-absorption box bottom surface, the other end of the left support plate and the left side
Small leg support is fixedly connected, and the right support structure is right support plate, one end of the right support plate and the right energy-absorption box bottom
Face is fixedly connected, and the other end of the right support plate is fixedly connected with the right leg support, and the left support plate is relative to institute
Left energy-absorption box bottom surface is stated with the first pre-determined tilt angle, the right support plate has second to make a reservation for relative to the right energy-absorption box
Angle of inclination.
4. pedestrian protection structure according to claim 3, it is characterised in that the first pre-determined tilt angle and institute
State the second pre-determined tilt angle and be 30 °.
5. pedestrian protection structure according to claim 2, it is characterised in that the left support structure is by the left suction
The extension bending of energy box is formed, and the right support structure is formed by the extension bending of the right energy-absorption box.
6. pedestrian protection structure according to claim 5, it is characterised in that the left support structure includes left support
Portion and left fixed part, the left support portion are formed with the left energy-absorption box bottom surface into the bend mode of the first predetermined angle, institute
State left fixed part to be fixedly connected with the left leg support, the right support structure includes right support portion and right fixed part, described
Right support portion is formed with the right energy-absorption box bottom surface into the bend mode of the second predetermined angle, the right fixed part and the right side
Small leg support is fixedly connected.
7. pedestrian protection structure according to claim 6, it is characterised in that the first predetermined angle and described
Two predetermined angles are 30 °.
8. the pedestrian protection structure according to any one of claim 1 to 7, it is characterised in that the pedestrian protecting knot
Structure also includes connecting plate, and the connecting plate is fixedly connected with the energy-absorption box, and screwed hole and/or card are provided with the connecting plate
Snap through hole.
9. pedestrian protection structure according to claim 8, it is characterised in that the connecting plate include left connection board and
Right connection board, the left connection board is fixedly connected with the left energy-absorption box, and the right connection board is fixed with the right energy-absorption box and connected
Connect.
10. the pedestrian protection structure according to any one of claim 1 to 9, it is characterised in that described to be fixedly connected as
Welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255439.4A CN106740647B (en) | 2016-12-30 | 2016-12-30 | Pedestrian protection structure for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255439.4A CN106740647B (en) | 2016-12-30 | 2016-12-30 | Pedestrian protection structure for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740647A true CN106740647A (en) | 2017-05-31 |
| CN106740647B CN106740647B (en) | 2023-05-26 |
Family
ID=58954441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611255439.4A Active CN106740647B (en) | 2016-12-30 | 2016-12-30 | Pedestrian protection structure for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106740647B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845601A (en) * | 2020-06-18 | 2020-10-30 | 江铃汽车集团有限公司 | Anticollision roof beam and car before car |
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| EP1262382A1 (en) * | 2001-06-01 | 2002-12-04 | Adlev S.r.l. | Protective structure for vehicles, designed to be used, in particular, in the event of impact with pedestrians |
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| CN111845601A (en) * | 2020-06-18 | 2020-10-30 | 江铃汽车集团有限公司 | Anticollision roof beam and car before car |
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| Publication number | Publication date |
|---|---|
| CN106740647B (en) | 2023-05-26 |
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