CN105905066B - A kind of pedestrian's lower limb protection device and automobile - Google Patents
A kind of pedestrian's lower limb protection device and automobile Download PDFInfo
- Publication number
- CN105905066B CN105905066B CN201610343503.8A CN201610343503A CN105905066B CN 105905066 B CN105905066 B CN 105905066B CN 201610343503 A CN201610343503 A CN 201610343503A CN 105905066 B CN105905066 B CN 105905066B
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- automobile
- pedestrian
- lower limb
- protective cradle
- mounting surface
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- 210000003141 lower extremity Anatomy 0.000 title claims abstract description 82
- 230000004224 protection Effects 0.000 title claims abstract description 59
- 230000001681 protective effect Effects 0.000 claims abstract description 75
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 210000002303 tibia Anatomy 0.000 abstract description 24
- 210000000689 upper leg Anatomy 0.000 abstract description 22
- 230000006378 damage Effects 0.000 abstract description 15
- 208000027418 Wounds and injury Diseases 0.000 abstract description 11
- 208000014674 injury Diseases 0.000 abstract description 11
- 206010039203 Road traffic accident Diseases 0.000 description 6
- 208000010392 Bone Fractures Diseases 0.000 description 5
- 230000005855 radiation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
-
- 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
-
- 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
- B60R2021/346—Protecting non-occupants of a vehicle, e.g. pedestrians means outside vehicle body
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of pedestrian's lower limb protection device and automobile, belong to automotive field.Pedestrian's lower limb protection device includes mounting bracket and protective cradle.The present invention is fixed on preceding guarantor's crossbeam of automobile by mounting bracket, protective cradle is fixed on the upper mounting surface of mounting bracket, prevent from producing larger relative velocity between the femur of pedestrian and shin bone by protective cradle, and then reduce shin bone screen resilience caused by resilience after femur rotation, avoid causing fracture of tibia, mitigate the injury that the lower limb of pedestrian are subject to, and it is located at the left side and/or right side of the longitudinal centre line of automobile by mounting bracket, so as to the reaction force to automobile left side or right side is produced when protective cradle is subjected to impact, the lower limb for making pedestrian by the reaction force rotate to the left side of automobile or right side, because the rotation will not damage to pedestrian's lower limb, and the setting of protective cradle reduce that pedestrian's lower limb are subject to along before automobile to impulsive force, therefore it can further reduce the injury that pedestrian's lower limb are subject to.
Description
Technical field
The present invention relates to automotive field, more particularly to a kind of pedestrian's lower limb protection device and automobile.
Background technology
In recent years, occur how to protect pedestrian during traffic accident, hinder when reducing Vehicle-pedestrian impact to caused by pedestrian
Evil turns into the important topic in Automobile Design.
When front part of vehicle strikes pedestrian's lower limb, the shin bone of pedestrian contacts with the Abdeckung Stossfaenger of automobile, femur with it is upper
Grid contacts, and because the rigidity of preceding guarantor's crossbeam at Abdeckung Stossfaenger rear is larger, therefore the movement velocity of shin bone can subtract rapidly
It is small, and it is much smaller to protect crossbeam before the ratio of rigidity of upper grid, the femur of pedestrian bump against after grid may in conquassation grid and continue
Travelling forward, cause to produce relative velocity between shin bone and femur, limited by preceding guarantor's crossbeam, shin bone can not travel forward,
And be that fulcrum rotates around femur using femur and upper grid contact position, when the power of shock is larger, it is most likely that femur also after
It is continuous to travel forward, and shin bone has moved to certain altitude and starts resilience, the screen resilience causes fracture of tibia, to pedestrian's lower limb
Caused by injure it is more serious.
The content of the invention
It is small in order to solve the rigidity of the ratio of rigidity bumper of the upper grid of prior art, when Vehicular impact is to pedestrian to row
The problem of more serious is injured caused by people's lower limb, the embodiments of the invention provide a kind of pedestrian's lower limb protection device and automobile.
The technical scheme is as follows：
On the one hand, there is provided a kind of pedestrian's lower limb protection device, pedestrian's lower limb protection device include mounting bracket and
Protective cradle；
The mounting bracket is fixed on preceding guarantor's crossbeam of automobile, and the mounting bracket is located in the longitudinal direction of the automobile
The left side and/or right side of heart line, the mounting bracket include lower mounting surface, rear mounting surface and upper mounting surface, the lower mounting surface,
Mounting surface and the upper mounting surface form U-shape structure after described, and the mounting bracket is horizontal by the preceding guarantor by the U-shape structure
It is enclosed on rear side of beam on preceding guarantor's crossbeam, and the lower mounting surface is fixedly connected with the preceding lower surface for protecting crossbeam, it is described
Mounting surface is fixedly connected with the preceding rear end face for protecting crossbeam afterwards, and the upper mounting surface is fixed with the preceding upper surface for protecting crossbeam
Connection；
The protective cradle is the longitudinal centre line of network, the axis of the mesh of the network and the automobile
Parallel or less parallel, the protective cradle are fixed on the upper mounting surface, and the protective cradle is located at the upper of the automobile
Grid rear, the rigidity of the upper grid areas for increasing the automobile, and the shape of cross section of the protective cradle is right angle
Triangle or approximate right angle triangle, the right angled triangle or approximate right angle hypotenuse are arc-shaped；
When the mounting bracket is located at the left side of the longitudinal centre line of the automobile, the right angled triangle or approximate straight
Angle hypotenuse is towards the left front of the automobile, so that the protective cradle when hitting by producing to the automobile
The reaction force in left side；
When the mounting bracket is located at the right side of the longitudinal centre line of the automobile, the right angled triangle or approximate straight
Angle hypotenuse is towards the right front of the automobile, so that the protective cradle when hitting by producing to the automobile
The reaction force on right side.
Further, pedestrian's lower limb protection device also includes reinforcement, and the reinforcement is arranged on the protection branch
On frame.
Specifically, the reinforcement transversely and/or is disposed longitudinally on the protective cradle.
Specifically, the protective cradle is lined structure, vertical lattice structure or grid structure.
Specifically, the protective cradle is grid structure.
Specifically, the lower mounting surface, the rear mounting surface and the upper mounting surface pass through bolt and the preceding guarantor respectively
Crossbeam is fixedly connected.
Specifically, the lower mounting surface, it is described after mounting surface and the upper mounting surface respectively by two bolts with it is described
Preceding guarantor's crossbeam is fixedly connected.
Further, the protective cradle is integrally formed with the mounting bracket by Shooting Technique.
On the other hand, there is provided a kind of automobile, including preceding guarantor's crossbeam and upper grid, the automobile also include under the pedestrian
Limb protection device, pedestrian's lower limb protection device are fixed on preceding guarantor's crossbeam, and after the upper grid of the automobile
Side.
Further, the automobile includes two pedestrian's lower limb protection devices, described two pedestrian's lower limb protection dresses
The longitudinal centre line for putting relative automobile is symmetrically disposed on preceding guarantor's crossbeam, and described two pedestrian's lower limb protection devices
Centre distance is more than 250 millimeters and less than 500 millimeter, and the hypotenuse of the protective cradle of described two pedestrian's lower limb protection devices is cut
The angle of the longitudinal centre line of line and the automobile is between 50 degree to 60 degree.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The present invention is fixed on preceding guarantor's crossbeam of automobile by mounting bracket, and protective cradle is fixed on the upper peace of mounting bracket
On dress face, and protective cradle is located at the upper grid rear of automobile, increases the rigidity of the upper grid areas of automobile by protective cradle,
When the traffic accident of pedestrian and car crass occurs, prevent from producing between the femur of pedestrian and shin bone by protective cradle larger
Relative velocity, and then reduce shin bone screen resilience caused by resilience after femur rotation, avoid causing fracture of tibia, mitigate row
The injury that the lower limb of people are subject to, and it is located at by mounting bracket the left side and/or right side of the longitudinal centre line of automobile, so that protection
The reaction force to automobile left side or right side is produced when support is subjected to impact, the lower limb of pedestrian are made to automobile by the reaction force
Left side or right side rotate, because the rotation will not damage to pedestrian's lower limb, and the setting of protective cradle reduces pedestrian
Lower limb be subject to along before automobile to impulsive force, therefore can further reduce the injury that pedestrian's lower limb are subject to.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
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 structural representation for pedestrian's lower limb protection device that one embodiment of the invention provides；
Fig. 2 is the use state diagram for pedestrian's lower limb protection device that further embodiment of this invention provides；
Fig. 3 is Fig. 2 schematic top plan view；
Fig. 4 is Fig. 2 elevational schematic view；
Fig. 5 is the structural representation for pedestrian's lower limb protection device that further embodiment of this invention provides.
Wherein：
1 mounting bracket, 11 times mounting surfaces, 111 bolts hole, mounting surface after 12, mounting surface on 13,131 bolts hole,
2 protective cradles,
Protect crossbeam before 3, the upper surface of crossbeam is protected before 31, the front end face of crossbeam is protected before 32, protect the rear end face of crossbeam before 33,34
The preceding lower surface for protecting crossbeam,
4 reinforcements,
The longitudinal centre line of s automobiles.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
In description of the embodiment of the present invention, the description of the orientation such as left and right, front and rear is that to be sitting in driver's cabin with driver normal
Orientation when driving is reference, and be laterally perpendicular to the direction in motor racing direction, namely automobile from left to right or by the right side
To the direction on a left side, longitudinal direction is the direction parallel to motor racing direction, namely automobile from front to back or by rear to preceding direction,
The longitudinal centre line s namely automobile of automobile are from front to back or by the rear center line in front direction.
Embodiment one
As shown in figure 1, and illustrate with reference to Fig. 2, should the embodiments of the invention provide a kind of pedestrian's lower limb protection device
Pedestrian's lower limb protection device includes mounting bracket 1 and protective cradle 2；
Mounting bracket 1 is fixed on preceding guarantor's crossbeam 3 of automobile, and mounting bracket 1 is located at the longitudinal centre line s of an automobile left side
Side and/or right side, mounting bracket 1 include lower mounting surface 11, rear mounting surface 12 and upper mounting surface 13, lower mounting surface 11, rear installation
Face 12 and upper mounting surface 13 form U-shape structure, and mounting bracket 1 protects crossbeam before being enclosed on by U-shape structure by the rear side of preceding guarantor's crossbeam 3
On 3, and lower mounting surface 11 is fixedly connected with the lower surface 34 of preceding guarantor's crossbeam, and the rear end face 33 of rear mounting surface 12 and preceding guarantor's crossbeam is solid
Fixed connection, upper mounting surface 13 are fixedly connected with the upper surface 31 of preceding guarantor's crossbeam；
Protective cradle 2 is network, and the axis of the mesh of the network and the longitudinal centre line s of automobile are parallel or near
Seemingly parallel, protective cradle 2 is fixed on mounting surface 13, and protective cradle 2 is located at the upper grid rear of automobile, for increasing automobile
Upper grid areas rigidity, and the shape of cross section of protective cradle 2 is right angled triangle or approximate right angle triangle, the right angle
Triangle or approximate right angle hypotenuse are arc-shaped；
When mounting bracket 1 is located at the longitudinal centre line s of automobile left side, the right angled triangle or approximate right angle triangle
Hypotenuse towards the left front of automobile so that protective cradle 2 is by the reaction force that the left side to automobile is produced when hitting；
When mounting bracket 1 is located at the longitudinal centre line s of automobile right side, the right angled triangle or approximate right angle triangle
Hypotenuse towards the right front of automobile so that protective cradle 2 is by the reaction force that the right side to automobile is produced when hitting.
As shown in Fig. 2 and illustrated with reference to Fig. 3 and Fig. 4, pedestrian's lower limb protection device peace provided in an embodiment of the present invention
On preceding guarantor's crossbeam 3 of automobile, the lower limb protection device by the lower mounting surface 11 of mounting bracket 1, rear mounting surface 12 and on
The U-shaped structure that mounting surface 13 is formed is protected on crossbeam 3 before being enclosed on by preceding guarantor's crossbeam 3 rear, and lower mounting surface 11, the and of rear mounting surface 12
Upper mounting surface 13 respectively fix by the lower surface 34 with preceding guarantor's crossbeam, the preceding rear end face 33 for protecting crossbeam and the preceding upper surface 31 for protecting crossbeam
Connection, wherein, preceding guarantor's crossbeam 3 of automobile is arranged on the front bumper covering rear of automobile, the preceding front end face 32 and vapour for protecting crossbeam
The front bumper covering contact of car.
In embodiments of the present invention, lower mounting surface 11, rear mounting surface 12 and upper mounting surface 13 are integrally formed, lower mounting surface
11st, rear mounting surface 12 and upper mounting surface 13 are fixedly connected by bolt with preceding guarantor's crossbeam 3 respectively, stable connection, and easy to disassemble,
It is easy to repair.
Preferably, lower mounting surface 11 is provided with two bolts hole 111, and the preceding lower surface 34 for protecting crossbeam is provided with right therewith
The bolt hole answered, rear mounting surface 12 is provided with two bolt hole (not shown)s, and the preceding rear end face 33 for protecting crossbeam is provided with
Corresponding bolt hole, upper mounting surface 13 are provided with two bolts hole 131, and the preceding upper surface 31 for protecting crossbeam is provided with therewith
Corresponding bolt hole, lower mounting surface 11, rear mounting surface 12 and upper mounting surface 13 are fixed by two bolts and preceding guarantor's crossbeam 3 respectively
Connection, prevent mounting bracket 1 from being rotated around bolt, influence the effect using the present invention.Certainly, skilled person will appreciate that, under
Mounting surface 11, rear mounting surface 12 and upper mounting surface 13 are protected on crossbeam 3 before being also bolted to by more, and rear mounting surface 13
It can be also not connected between the rear end face 33 of preceding guarantor's crossbeam, and only pass through lower mounting surface 11 and upper mounting surface 13 and preceding guarantor's crossbeam 3
It is fixedly connected.
When the traffic accident of pedestrian and car collision occurs, the shin bone of pedestrian and the insurance positioned at the preceding front of guarantor's crossbeam 3
Thick stick covering contacts, and then is contacted with preceding guarantor's crossbeam 3, because the rigidity of preceding guarantor's crossbeam 3 is larger so that the movement velocity of shin bone is rapid
Reduce, femur contacts with the upper grid of automobile, and because the rigidity of upper grid is relatively low, it occurs rapidly after being impacted by human femur under loading
Deform, the protective cradle of grid and pedestrian's lower limb protection device provided in an embodiment of the present invention is made in femur forward movement
2 contacts, and then reduce the movement velocity of femur so that the relative velocity between femur and shin bone is smaller, prevents pedestrian's knee
Ligament tension, and shin bone will not rotate around femur, enter without because of shin bone resilience and caused by fracture of tibia.
And in embodiments of the present invention, the shape of cross section of protective cradle 2 is right angled triangle or approximate right angle triangle,
Mounting bracket 1 is located at the longitudinal centre line s of automobile left side and/or right side, when mounting bracket 1 is located at the longitudinal centre line of automobile
During s left side, the right angled triangle or approximate right angle hypotenuse are towards the left front of automobile, so that protective cradle 2 meets with
The reaction force to automobile left side is produced when being impacted；, should when mounting bracket 1 is located at the longitudinal centre line s of automobile right side
Right angled triangle or approximate right angle hypotenuse are towards the right front of automobile, so that protective cradle 2 when hitting by producing
To the reaction force of car right side, so that when the accident of automobile and pedestrian collision occurs, by protective cradle 2 to femur
The reaction force to automobile left side or car right side is produced, femur is rotated to the left side of automobile or right side, due to the rotation not
Pedestrian can be damaged, and share pedestrian in the impulsive force being subject to along before automobile on, so as to further reduce to row
Injury caused by people's lower limb.
Wherein, the shape of cross section of protective cradle 2 is the cross section that approximate right angle triangle specifically refers to protective cradle 2
For maximum interior angle between 85 degree to 95 degree, approximate right angle hypotenuse refers to length maximum in the three sides of a triangle
Side.
In embodiments of the present invention, protective cradle 2 is network, the axis of the mesh of the network and indulging for automobile
To center line s is parallel or less parallel, can avoid the setting of protective cradle 2 influences automobile engine heat radiation, wherein, network
It can be lined structure, indulge lattice structure or grid structure, preferred grid structure is grid as shown in Figure 1 in the embodiment of the present invention
Structure, ensure the rigidity of protective cradle 2.
Wherein, the longitudinal centre line s less parallels of the axis of the mesh of network and automobile refer to the net of network
Angle between the axis in hole and the longitudinal centre line s of automobile is less than 10 degree.
The present invention is fixed on preceding guarantor's crossbeam 3 of automobile by mounting bracket 1, and protective cradle 2 is fixed on mounting bracket 1
On upper mounting surface 13, and protective cradle 2 is located at the upper grid rear of automobile, increases the upper grid area of automobile by protective cradle 2
The rigidity in domain, when the traffic accident of pedestrian and car crass occurs, by protective cradle 2 prevent pedestrian femur and shin bone it
Between produce larger relative velocity, and then reduce shin bone screen resilience caused by resilience after femur rotation, avoid causing shin bone
Fracture, mitigates the injury that the lower limb of pedestrian are subject to, and be located at by mounting bracket 1 longitudinal centre line of automobile left side and/or
Right side, so that protective cradle 2 produces the reaction force to automobile left side or right side when being subjected to impact, row is made by the reaction force
The lower limb of people rotate to automobile left side or right side, and the rotation will not damage to the lower limb of pedestrian, and the setting of protective cradle
Reduce that pedestrian's lower limb are subject to along before automobile to impulsive force, therefore can further reduce the injury that pedestrian's lower limb are subject to.
As shown in figure 5, in embodiments of the present invention, pedestrian's lower limb protection device also includes reinforcement 4, reinforcement 4 is set
On protective cradle 2.
By setting reinforcement 4 on protective cradle 2, increase the rigidity of protective cradle 2, wherein it is preferred to, reinforcement 4
Transversely and/or it is disposed longitudinally on protective cradle 2, and is fixed in the side wall of network, is ensureing to increase protective cradle 2
Rigidity on the basis of, avoid reinforcement 4 setting influence automobile engine heat radiation.
In embodiments of the present invention, it is preferable that protective cradle 2 is integrally formed with mounting bracket 1 by Shooting Technique, processing
Technique is simple, and ensures the rigidity of protective cradle 2, ensures protective cradle 2 and the intensity at the link position of mounting bracket 1.
Embodiment two
Illustrated referring to Fig. 2, and with reference to Fig. 3 and Fig. 4, the embodiments of the invention provide a kind of automobile, including preceding guarantor are horizontal
Beam 3 and upper grid, the automobile also include pedestrian's lower limb protection device described in embodiment one, wherein, pedestrian's lower limb protection dress
The structural representation put is as shown in figure 1, pedestrian's lower limb protection device is protected on crossbeam 3 before being fixed on, and is located at upper grid rear.
Wherein, pedestrian's lower limb protection device is arranged on preceding guarantor's crossbeam 3, and the lower limb protection device passes through mounting bracket 1
The U-shaped structure that lower mounting surface 11, rear mounting surface 12 and upper mounting surface 13 are formed is protected on crossbeam 3 before being enclosed on by preceding guarantor's crossbeam 3 rear,
And lower mounting surface 11, rear mounting surface 12 and upper mounting surface 13 respectively with it is preceding guarantor crossbeam lower surface 34, it is preceding protect crossbeam rear end face
33 are fixedly connected with the upper surface 31 of preceding guarantor's crossbeam, wherein, after preceding guarantor's crossbeam 3 of automobile is arranged on the front bumper covering of automobile
Side, the preceding front end face 32 for protecting crossbeam are contacted with the front bumper covering of automobile, and protective cradle 2 is fixed on mounting surface 13.
The present invention is fixed on preceding guarantor's crossbeam 3 of automobile by mounting bracket 1, and protective cradle 2 is fixed on mounting bracket 1
On upper mounting surface 13, and protective cradle 2 is located at the upper grid rear of automobile, increases the upper grid area of automobile by protective cradle 2
The rigidity in domain, when the traffic accident of pedestrian and car crass occurs, by protective cradle 2 prevent pedestrian femur and shin bone it
Between produce larger relative velocity, and then reduce shin bone screen resilience caused by resilience after femur rotation, avoid causing shin bone
Fracture, mitigates the injury that the lower limb of pedestrian are subject to, and be located at by mounting bracket 1 longitudinal centre line of automobile left side and/or
Right side, so that protective cradle 2 produces the reaction force to automobile left side or right side when being subjected to impact, row is made by the reaction force
The lower limb of people rotate to automobile left side or right side, and the rotation will not damage to the lower limb of pedestrian, and the setting of protective cradle
Reduce that pedestrian's lower limb are subject to along before automobile to impulsive force, therefore can further reduce the injury that pedestrian's lower limb are subject to.
As shown in Fig. 2 and illustrate with reference to Fig. 3 and Fig. 4, automobile includes two pedestrian's lower limb protection devices, two rows
People's lower limb protection device is protected on crossbeam 3 before being symmetrically disposed in respect to the longitudinal centre line s of automobile, and two pedestrian's lower limb protections
The centre distance of device is more than 250 millimeters and less than 500 millimeter, the hypotenuse of the protective cradle 2 of two pedestrian's lower limb protection devices
Tangent line and automobile longitudinal centre line s angle between 50 degree to 60 degree.
Research shows that, when the traffic accident of vehicle and pedestrian impact occurs, vehicle front medium position is to pedestrian's lower limb
Caused by injury it is little, and easily pedestrian's lower limb are caused compared with major injury close to the position of both sides, therefore in the embodiment of the present invention
In, automobile includes two pedestrian's lower limb protection devices, and two pedestrian's lower limb protection devices are symmetrical with respect to the longitudinal centre line s of automobile
It is arranged on automobile front protecting crossbeam 3, when the accident of pedestrian and vehicle collision occurs, by two pedestrian's lower limb protection devices
The lower limb of corresponding pedestrian's lower limb protection device protection pedestrian, reduction may injure to caused by pedestrian's lower limb, and avoid pedestrian
The setting of lower limb protection device influences car radiation too much, avoids the setting of pedestrian's lower limb protection device and increases automobile too much
Weight.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of pedestrian's lower limb protection device, pedestrian's lower limb protection device includes mounting bracket and protective cradle, its feature
It is,
The mounting bracket is fixed on preceding guarantor's crossbeam of automobile, and the mounting bracket is located at the longitudinal centre line of the automobile
Left side and/or right side, the mounting bracket includes lower mounting surface, rear mounting surface and upper mounting surface, the lower mounting surface, described
Mounting surface and the upper mounting surface form U-shape structure afterwards, and the mounting bracket is by the U-shape structure by preceding guarantor's crossbeam
Rear side is enclosed on preceding guarantor's crossbeam, and the lower mounting surface is fixedly connected with the preceding lower surface for protecting crossbeam, is pacified after described
Dress face is fixedly connected with the preceding rear end face for protecting crossbeam, and the upper mounting surface is fixed with the preceding upper surface for protecting crossbeam to be connected
Connect；
The protective cradle is network, and the axis of the mesh of the network is parallel with the longitudinal centre line of the automobile
Or less parallel, the protective cradle are fixed on the upper mounting surface, the protective cradle is located at the upper grid of the automobile
Rear, the rigidity of the upper grid areas for increasing the automobile, and the shape of cross section of the protective cradle is right angle trigonometry
Shape or approximate right angle triangle, the right angled triangle or approximate right angle hypotenuse are arc-shaped；
When the mounting bracket is located at the left side of the longitudinal centre line of the automobile, the right angled triangle or approximate right angle three
Angular hypotenuse is towards the left front of the automobile, so that the protective cradle is by producing left side to the automobile when hitting
Reaction force；
When the mounting bracket is located at the right side of the longitudinal centre line of the automobile, the right angled triangle or approximate right angle three
Angular hypotenuse is towards the right front of the automobile, so that the protective cradle is by producing right side to the automobile when hitting
Reaction force.
2. pedestrian's lower limb protection device according to claim 1, it is characterised in that pedestrian's lower limb protection device is also wrapped
Reinforcement is included, the reinforcement is arranged on the protective cradle.
3. pedestrian's lower limb protection device according to claim 2, it is characterised in that the reinforcement is transversely and/or vertical
To being arranged on the protective cradle.
4. pedestrian's lower limb protection device according to claim 1, it is characterised in that the protective cradle be lined structure,
Vertical lattice structure or grid structure.
5. pedestrian's lower limb protection device according to claim 4, it is characterised in that the protective cradle is grid structure.
6. pedestrian's lower limb protection device according to claim 1, it is characterised in that the lower mounting surface, the rear installation
Face and the upper mounting surface are fixedly connected by bolt with preceding guarantor's crossbeam respectively.
7. pedestrian's lower limb protection device according to claim 6, it is characterised in that the lower mounting surface, the rear installation
Face and the upper mounting surface are fixedly connected by two bolts with preceding guarantor's crossbeam respectively.
8. pedestrian's lower limb protection device according to claim 1, it is characterised in that the protective cradle and the installation branch
Frame is integrally formed by Shooting Technique.
9. a kind of automobile, including preceding guarantor's crossbeam and upper grid, it is characterised in that the automobile also includes claim 1-8 such as and appointed
Pedestrian's lower limb protection device described in one claim, pedestrian's lower limb protection device are fixed on preceding guarantor's crossbeam,
And positioned at the upper grid rear of the automobile.
10. automobile according to claim 9, it is characterised in that the automobile includes two pedestrian's lower limb protection dresses
To put, described two pedestrian's lower limb protection devices are symmetrically disposed on preceding guarantor's crossbeam with respect to the longitudinal centre line of automobile, and
The centre distance of described two pedestrian's lower limb protection devices is more than 250 millimeters and less than 500 millimeter, and described two pedestrian's lower limb are protected
The angle of the longitudinal centre line of the tangent line of the hypotenuse of the protective cradle of protection unit and the automobile is between 50 degree to 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343503.8A CN105905066B (en) | 2016-05-23 | 2016-05-23 | A kind of pedestrian's lower limb protection device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343503.8A CN105905066B (en) | 2016-05-23 | 2016-05-23 | A kind of pedestrian's lower limb protection device and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105905066A CN105905066A (en) | 2016-08-31 |
| CN105905066B true CN105905066B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610343503.8A Active CN105905066B (en) | 2016-05-23 | 2016-05-23 | A kind of pedestrian's lower limb protection device and automobile |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1422110A2 (en) * | 2002-11-19 | 2004-05-26 | Compagnie Plastic Omnium | Car bumper having a compressible bloc with a progressively growing transverse section |
| DE10352629A1 (en) * | 2002-11-19 | 2004-06-17 | Ford Global Technologies, LLC, Dearborn | Pedestrian impact energy management device |
| CN101631694A (en) * | 2006-12-28 | 2010-01-20 | 全耐塑料公司 | Be used for strut member in the impact absorption system of automobile longitudinal girder end installation |
| CN202847636U (en) * | 2012-10-19 | 2013-04-03 | 重庆长安汽车股份有限公司 | Vehicle pedestrian crus protection device |
| CN103754189A (en) * | 2014-01-23 | 2014-04-30 | 奇瑞汽车股份有限公司 | Pedestrian thigh protecting device for automobile and automobile |
| CN104442681A (en) * | 2014-12-04 | 2015-03-25 | 浙江吉利汽车研究院有限公司 | Pedestrian leg protection device of automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009015182B4 (en) * | 2009-03-31 | 2014-05-28 | Benteler Automobiltechnik Gmbh | Bumper arrangement for a motor vehicle |
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2016
- 2016-05-23 CN CN201610343503.8A patent/CN105905066B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1422110A2 (en) * | 2002-11-19 | 2004-05-26 | Compagnie Plastic Omnium | Car bumper having a compressible bloc with a progressively growing transverse section |
| DE10352629A1 (en) * | 2002-11-19 | 2004-06-17 | Ford Global Technologies, LLC, Dearborn | Pedestrian impact energy management device |
| CN101631694A (en) * | 2006-12-28 | 2010-01-20 | 全耐塑料公司 | Be used for strut member in the impact absorption system of automobile longitudinal girder end installation |
| CN202847636U (en) * | 2012-10-19 | 2013-04-03 | 重庆长安汽车股份有限公司 | Vehicle pedestrian crus protection device |
| CN103754189A (en) * | 2014-01-23 | 2014-04-30 | 奇瑞汽车股份有限公司 | Pedestrian thigh protecting device for automobile and automobile |
| CN104442681A (en) * | 2014-12-04 | 2015-03-25 | 浙江吉利汽车研究院有限公司 | Pedestrian leg protection device of automobile |
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| Publication number | Publication date |
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| CN105905066A (en) | 2016-08-31 |
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