CN107916855A - The active hood hinge of pedestrian can be protected - Google Patents
The active hood hinge of pedestrian can be protected Download PDFInfo
- Publication number
- CN107916855A CN107916855A CN201711078930.9A CN201711078930A CN107916855A CN 107916855 A CN107916855 A CN 107916855A CN 201711078930 A CN201711078930 A CN 201711078930A CN 107916855 A CN107916855 A CN 107916855A
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- China
- Prior art keywords
- leaf plate
- plate
- position limiting
- limiting structure
- lower leaf
- 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.)
- Granted
Links
- 239000003999 initiator Substances 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims description 15
- 238000005474 detonation Methods 0.000 claims description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 6
- 208000014674 injury Diseases 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 206010019196 Head injury Diseases 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
-
- 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
- B60R21/38—Protecting non-occupants of a vehicle, e.g. pedestrians using means for lifting bonnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/06—Devices for limiting the opening movement of hinges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/02—Parts for attachment, e.g. flaps
- E05D5/0207—Parts for attachment, e.g. flaps for attachment to vehicles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/536—Hoods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
The invention discloses a kind of active hood hinge for protecting pedestrian; including activity page board and fixed leaf plate; initiator is installed on fixed leaf plate; activity page board includes upper leaf plate and lower leaf plate; one end of lower leaf plate and one end of fixed leaf plate are rotatably connected; the other end of lower leaf plate and one end of upper leaf plate are rotatably connected; position limiting structure is equipped between the other end and lower leaf plate of upper leaf plate; position limiting structure includes the Z-direction position limiting structure that can be broken after stress; the middle part of upper leaf plate is equipped with card slot; lower leaf plate is fixedly arranged in the middle of clamping riveting axis, and clamping riveting axis is caught in one end of card slot.The present invention is when the hinge area of pedestrian and hood is hit, the initiator being located on fixed leaf plate detonates rapidly, so that activity page board is subject to top lift, Z-direction position limiting structure is destroyed and to eliminate Z-direction spacing, realize the emergency opening of hood hinge, the distance of the hard thing of enlarged head and hood inner, reduces the injury after pedestrian head collision.
Description
Technical field
The invention belongs to the technical field of automotive hood assembling, is specifically a kind of active hood for protecting pedestrian
Hinge.
Background technology
《World's prevention Road Traffic Injury report》It has been shown that, in road traffic accident, pedestrian is often the largest aggrieved
Colony.In order to improve traffic safety, pedestrains safety is protected, the speed except reducing pedestrian and vehicle collision, it is necessary to meeting car
On the premise of body itself parts function, the rigidity that head touches region is reduced, increases the collision energy-absorbing amount of collision area.
Hood is connected on body of a motor car by car aircraft bonnet hinge, normal conditions when hood is normally-open,
Moved towards A columns direction；When pedestrian head strikes hood, if the rear portion of hood and internal hardware space are not
Foot, the head of pedestrian can be subject to the shock again of hard thing and be subject to serious injury, it is therefore necessary to design a kind of active
Hinge, when collide event when, hood is lifted close to the part of A columns by active hinge, is directed away from the direction of A columns
Open, increase hood position and the space of internal hard thing, so as to preferably protect the head of pedestrian, reduce pedestrian and vapour
Head injury value after the collision of car hinge area.
The Chinese patent of Application No. 201410804317.0 discloses entitled " hood hinge, hood hinge
The Chinese patent of control system and car body ", discloses in the patent and includes hinge seat, hinge arms, the hood in lifting portion
The first end of hinge, wherein hinge arms is hinged with hinge seat and forms the first hinge joint, hinge arms can around the first hinge joint along
First rotation direction rotates；The second end of lifting portion and hinge arms is hinged and has the second hinge joint, and lifting portion is hinged around second
O'clock rotated along the second rotation direction, the second rotation direction is opposite with the first rotation direction；Wherein lifting portion includes lift arm and the
One linking arm, lift arm include limiting plate, baffle plate, connecting plate and positioning column, the first end and connecting plate of the first linking arm again
The 3rd hinge joint is hingedly formed, the second end of the first linking arm and the second end of hinge arms are hinged and have the second hinge joint；Limit
The second end of position plate and baffle plate connects, and positioning column is arranged on limiting plate, hinge arms have with positioning column counter stopper only
Convex edge is kept off, backstop convex edge is located at the second end of hinge arms, and positioning column is spacing in the inner side of backstop convex edge.The lifting of the hood hinge
The spacing of vertical direction between portion and hinge arms relies on hood pressure and self gravitation, lifting portion is pressed together on hinge
On arm, itself has no locking device, and after the pressure of hood removes, lifting portion is easily opened, assembling inconvenience early period；Separately
Outside, the movement of hinge arms needs to rely on positioning column, and the validity of the reliable fit of positioning column and hinge arms needs to rely on hinge arms
On backstop convex edge, the independence of each part is poor, and parts are more, is unfavorable for loss of weight.
The content of the invention
It is easy to assembly the object of the present invention is to provide a kind of active hood hinge for protecting pedestrian, when colliding
Quickly realize emergency opening, the injury of pedestrian head collision hinge area can be reduced.
To achieve the above object, the technical solution adopted by the present invention is：A kind of active hood hinge for protecting pedestrian,
Including activity page board and fixed leaf plate, initiator is installed on the fixed leaf plate, the activity page board includes upper leaf plate and nextpage
Plate, one end of the lower leaf plate and one end of fixed leaf plate are rotatably connected, and the other end of lower leaf plate and one end of upper leaf plate can
Rotatable connection, is equipped with position limiting structure between the other end and lower leaf plate of upper leaf plate, the position limiting structure can be broken after including stress
Z-direction position limiting structure, the middle part of the upper leaf plate is equipped with card slot, and the lower leaf plate is fixedly arranged in the middle of clamping riveting axis, the card
Connect one end that riveting axis is caught in card slot.
1) when the hinge area of pedestrian and hood is hit, the initiator being located on fixed leaf plate rises rapidly the present invention
It is quick-fried so that activity page board is subject to top lift, and the Z-direction position limiting structure between upper leaf plate and lower leaf plate is destroyed and to eliminate Z-direction spacing,
Lower leaf plate is rotarily opened around fixed leaf plate, and upper leaf plate realizes emergency opening around lower leaf plate at the same time, the card on lower leaf plate after unlatching
Connect riveting axis and upper and lower displacement occurs in card slot, lower end is caught in by upper end, limit the maximum expanded angle of upper leaf plate, after emergency opening
Active hood hinge reach certain open amount, and stable structure, collapse does not occur under a certain range of Impact energy,
Hood rear portion is lifted by active hood hinge, energy-absorbing space when increase pedestrian head collides, improves hinge area pedestrian
The injury of head impact；2) lower leaf plate is unfolded rapidly relative to fixed leaf plate, and upper leaf plate is unfolded rapidly relative to lower leaf plate, can be real
The existing active quick emergency opening of hood hinge, lifts hood rear portion, there is provided the energy-absorbing space of bigger, makes up and start faster
The defects of hood lower buffer insufficient space；3) under the collision energy under to a certain degree, after emergency opening terminates, it is only necessary to will
Upper leaf plate and lower leaf plate fold reset again, and replace position limiting structure, while reset initiator, then can complete to reset；4) page on
The cooperation of plate and lower leaf plate need not increase more baroque components, you can realize opening angle between upper leaf plate and lower leaf plate
The control of degree, and closure it is overlapping when activity page board totality stability, light structure, is conducive to overall loss of weight.
Further, the lower leaf plate is mutually folded with the upper leaf plate, and the lower leaf plate and the upper leaf plate include respectively
Side plate and top plate, the position limiting structure further include Y-direction position limiting structure.
Another step ground, vertically Z-direction position limiting structure, lower leaf plate are equipped between the top plate of the lower leaf plate and the top plate of upper leaf plate
Side plate and upper leaf plate side plate between horizontal be equipped with Y-direction position limiting structure.The state folded between upper leaf plate lower leaf plate is normal
State during use, limits the movement of Z-direction by Z-direction position limiting structure between the two, and Y-direction position limiting structure can increase upper leaf plate with
The lateral rigidity of page board limits the movement of Y-direction between the two at the same time.
Preferably, for the Z-direction position limiting structure for that can shear rivet, the Y-direction position limiting structure is spacing riveting axis.
Further, the one side of the side plate of lower leaf plate is close in one end of the Y-direction position limiting structure, and the Y-direction is spacing
Upper leaf plate is caught between the other end of structure and the side plate another side of lower leaf plate.Y-direction position limiting structure uses spacing riveting axis, spacing riveting
The other end of axis is stretched out has certain gap between the medial surface of lower leaf plate, which can be set to the thickness of upper leaf plate；Upper page
The corresponding edge of plate can set semicircle orifice, conveniently be caught in.
Further, the side plate of the lower leaf plate is equipped with shrapnel, and one end of shrapnel is fixedly connected with side plate, shrapnel it is another
The rivet of one end is contacted through lower leaf plate side plate and with the medial surface of upper leaf plate.One end of shrapnel is fixed, and the other end is in free shape
It can be ejected during state from the hole of lower leaf plate, when upper leaf plate and lower leaf plate fold, the medial surface of upper leaf plate can limit the activity of shrapnel
End pop-up, that is, limit the movement of its Y-direction.
Preferably, the card slot is arcuate socket, and the inner side of arcuate socket is equipped with vibration damping sheet, and vibration damping sheet connects the bottom of arcuate socket
Portion.Axially lower moving contact vibration damping sheet can make vibration damping sheet deform energy-absorbing for clamping riveting, and then slow down the expansion of upper leaf plate.
Further, through hole, the act after the initiator detonation are correspondingly provided with the fixed leaf plate and the lower leaf plate
Rising stem may pass through through hole and provide lifting force to upper leaf plate, be destroyed Z-direction position limiting structure.Initiator can be with automatic controls
And inductive switch connection, detonate rapidly after colliding.
Preferably, the fixed leaf plate is equipped with least two square nuts and through hole, and deburring groove is provided between square nut.Side
Nut connects initiator, and deburring groove facilitates initiator by the way that the through hole of fixed leaf plate can be used to fixed leaf plate being installed on vehicle body
On.
Further, the top plate of the upper leaf plate is equipped with mounting hole.Mounting hole can be used to send out mounting of roof plate in automobile
On motivation cover.
Brief description of the drawings
Overall structure diagram when Fig. 1 is present invention closure.
Reverse structure schematics of the Fig. 2 for the present invention after normally-open.
Main structure diagrams of the Fig. 3 for the present invention after normally-open.
Main structure diagram when Fig. 4 is the emergency opening after the present invention is triggered.
Axis geodesic structure schematic diagram when Fig. 5 is present invention closure.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, easy to more clearly understand the present invention, but the present invention
It is not limited to following embodiments.
A kind of active hood hinge for protecting pedestrian of the present invention, including two kinds of openings, in normal operating condition
When, limited between upper leaf plate 200 and lower leaf plate 300 by position limiting structure 500, in overlapped state, between the two
The entirety closed collectively as activity page board is moved together, and one end and one end of fixed leaf plate 100 of lower leaf plate 300 are hinged, this
When activity page board relative to closure or openness between fixed leaf plate 100, reach the unlatching of the hood in normal operating condition
And closing；When collide event when, the initiator connected on fixed leaf plate 100 is triggered, and forms the power lifted upwards, destroys
Position limiting structure 500 between upper leaf plate 200 and lower leaf plate 300, makes to open between upper leaf plate 200 and lower leaf plate 300, after unlatching
Opening angle has certain limit between upper leaf plate 200 and lower leaf plate 300, realizes emergency opening, the following specific embodiment parties of the present invention
The description of formula and preferable structure for position limiting structure 500 before not destroyed, i.e., between upper leaf plate 200 and lower leaf plate 300 still
So it is in description during closure state.
As shown in Figure 1, a kind of active hood hinge for protecting pedestrian of the present invention, including activity page board and fixed leaf plate
100, initiator is installed on fixed leaf plate 100, activity page board includes upper leaf plate 200 and lower leaf plate 300, one end of lower leaf plate 300
It is rotatably connected with one end of fixed leaf plate 100, specifically can be by riveting axis connection, between lower leaf plate 300 and fixed leaf plate 100
Opening angle belongs to conventional design, and one end of the other end and upper leaf plate 200 of lower leaf plate 300 is rotatably connected, upper leaf plate 200
The other end and lower leaf plate 300 between be equipped with position limiting structure 500 and upper leaf plate 200 and lower leaf plate 300 is in folded state, it is described
Position limiting structure 500 includes the Z-direction position limiting structure 510 that stress can be broken, and the middle part of upper leaf plate 200 is equipped with card slot 210, lower leaf plate
300 be fixedly arranged in the middle of is clamped riveting axis 310, and clamping riveting axis 310 is caught in one end of card slot 210.
With reference to above-mentioned technical proposal, as shown in Fig. 2, Fig. 3 and Fig. 5, a kind of active hood for protecting pedestrian of the present invention
Hinge, one end and one end of fixed leaf plate 100 of lower leaf plate 300 are rotatably connected, be rotatably connected can by riveting axis connection, under
Rotational opening angle between page board 300 and fixed leaf plate 100 is predeterminable；The other end of lower leaf plate 300 and the one of upper leaf plate 200
End is rotatably connected, and is rotatably connected optional riveting axis connection；Lower leaf plate 300 is mutually folded with upper leaf plate 200,300 He of lower leaf plate
Upper leaf plate 200 includes side plate and top plate respectively, and position limiting structure 500 includes Z-direction position limiting structure 510 and Y-direction position limiting structure 520, under
Z-direction position limiting structure 510 vertically is equipped between the top plate of page board 300 and the top plate of upper leaf plate 200, specifically, Z-direction position limiting structure
510 can be that can shear rivet, can shear rivet and be impacted after power and be broken, the side plate of lower leaf plate 300 and the side plate of upper leaf plate 200 it
Between it is horizontal be equipped with Y-direction position limiting structure 520, specifically, Y-direction position limiting structure 520 can be spacing riveting axis, the longitudinal cross-section of spacing riveting axis
Can be I-shaped, the side plate of lower leaf plate 300, the other end and the lower leaf plate 300 of spacing riveting axis are close in one end of spacing riveting axis
Upper leaf plate 200 is caught between side plate another side, the gap between the other end and the side plate of lower leaf plate 300 that spacing riveting axis stretches out can
The thickness of upper leaf plate 200 is arranged to, the engaging edge of upper leaf plate 200 can be set to semicircle, overall with increase activity page board
Side rigidity.On the side plate of lower leaf plate 300 shrapnel 320, one end and the lower leaf plate 300 of shrapnel 320 can be equipped with medium position
Side plate is fixedly connected, and being fixedly connected can be rivetted using rivet, and the rivet 330 of the other end of shrapnel 320 passes through 300 side plate of lower leaf plate
And contacted with the medial surface of upper leaf plate 200, it is stuck between 200 side plate of 300 side plate of lower leaf plate and upper leaf plate.The side of upper leaf plate 200
Card slot on plate can be set to arcuate socket, and the inner side of arcuate socket is equipped with vibration damping sheet 220, vibration damping sheet 220 be located at the inner side of arcuate socket and
Lead to the bottom of arcuate socket, one end of vibration damping sheet 220 is fixed on arcuate socket, clamping riveting axis 310 be caught in the upper end in arcuate socket and
Vibration damping sheet 220 is not contacted.Through hole 400, the act after initiator detonation are correspondingly provided with fixed leaf plate 100 and the lower leaf plate 300
Rising stem may pass through through hole 400 and withstand on the top plate of upper leaf plate 200, provides upper leaf plate 200 upward lifting force, limits Z-direction
Bit architecture 510 is destroyed.Fixed leaf plate 100 is equipped with two square nuts 110 and through hole, and through hole can be used to be installed on vehicle body,
Deburring groove 120 is provided between square nut 110, deburring groove 120 facilitates the stretching, extension of initiator, and square nut 110 connects initiator.Upper page
The top plate of plate 200 is equipped with mounting hole 230, for the top plate of upper leaf plate 200 to be connected with hood medial surface.
The description of following embodiments of the invention and preferable structure for position limiting structure 500 after destroyed, i.e.,
Description during opening is between upper leaf plate 200 and lower leaf plate 300, the present invention is emergent after the event that collides at this time
Open.
As shown in figure 4, the present invention, after initiator is toggled, the lifting arm of initiator has upward lift to whole invention
Lift so that while unlatching between fixed leaf plate 100 and activity page board, 200 upper leaf plate 200 of upper leaf plate and lower leaf plate 300 it
Between Z-direction position limiting structure 510 be broken, upper leaf plate 200 is unfolded relative to lower leaf plate 100, on 300 side plate of lower leaf plate after expansion
Clamping riveting axis 310 runs to the other end by one end of card slot 210, can be specifically arcuate socket, and clamping riveting axis 310 is by arcuate socket
Tip motions are to the bottom of arcuate socket and gradually oppress vibration damping sheet 220, and vibration damping sheet 220 deforms after being pressurized and slows down upper leaf plate 200
Expansion, after the bottom of vibration damping sheet 220 is badly deformed, between upper leaf plate 200 and lower leaf plate 300 realize be fully deployed, be unfolded
The rivet 330 on lower leaf plate 300 afterwards due to the elastic force by shrapnel 320 (position of shrapnel 320 is as shown in Figure 1, Figure 2 or shown in Fig. 5),
When the side plate of upper leaf plate 200 is not contacted with rivet 330, rivet 330 is ejected and had between the side plate interior sides face of lower leaf plate 300
One fixed gap, which can be caught in the lower end of upper leaf plate 200 and make it stable, and not collapse under collision energy within the specific limits
Contracting.
In the use of the present invention, fixed leaf plate 100 is installed on vehicle body by mounting hole thereon, activity page board passes through upper
Mounting hole on 200 top plate of page board is connected with automotive hood, when normal use, between upper leaf plate 200 and lower leaf plate 300
Close and fold, Z-direction position limiting structure 510 can shear rivet and the top plate of upper leaf plate 200 and lower leaf plate 300 is connected to one
Rise, realize that Z-direction is spacing, one end of the spacing riveting axis of Y-direction position limiting structure 520 is fixed on the side plate of lower leaf plate 300, and the other end stretches out
Upper leaf plate lower edge is caught between the side plate of lower leaf plate 300 and realizes that Y-direction is spacing, while is clamped riveting axis 310 and is stuck in arcuate socket
One end may also function as the spacing of Y-direction, and when normal use only needs activity page board relative to closure or openness between fixed leaf plate 100；
When collide event when, initiator detonation, the lifting arm on initiator is applied to upper page by the through hole 400 of lower leaf plate 300
On plate 200 so that Z-direction position-limit mechanism 510 is destroyed, and upper leaf plate 200 is flipped up, and departs from Y-direction position-limit mechanism 520, blocks at the same time
The other end that riveting axis 310 is moved downwardly to arcuate socket is connect, clamping riveting axis 310 is contacted with vibration damping sheet 220 so that vibration damping sheet 220 becomes
Shape, upper leaf plate 200 obtain maximum expanded angle, and drive hood to be opened to maximum angle, i.e., hood is close to driving
One end of room is lifted, and the head of pedestrian is escaped injury far as possible from the hard part of hood inner.330 He of rivet
The lower edge of upper leaf plate 200 can be caught between the side plate of lower leaf plate 300, makes hood keep stablizing after opening.
After the present invention completes emergency opening, it is only necessary to which the Z-direction position limiting structure 510 more renewed, rivet can be sheared i.e. as replaced
Normal operating condition can be returned to, the normally-open offer support and connection of hood are provided, can equally recover its pedestrian
Collide the function of hood triggering emergency opening.
In addition, the present invention can be by setting inductive switch and electrical autocontrol system, when sensing the collision of pedestrian, then
Generation is actively opened.The design can be existing design in this area, not be unfolded to describe herein.The present invention initiator it is main
Effect is when colliding event, and initiator starts, and top lift is provided to upper leaf plate 200, destroys the top plate of upper leaf plate 200 with
Z-direction position limiting structure 510 between the top plate of page board 300, makes upper leaf plate 200 to be realized relative to lower leaf plate 300 and opens, and drives
Hood lifting；Initiator in the present invention can also change other lifting mechanisms, such as cylinder, oil cylinder etc. into.
Unspecified content is the prior art known to a person of ordinary skill in the art in this specification.
Above-described embodiment is only schematical, and used technical term is limited in the present invention
Qualifier only can protect the active hood of pedestrian in the present invention for convenience of description of the invention, those of ordinary skill in the art
Under the enlightenment of hinge, in the case of present inventive concept and scope of the claimed protection is not departed from, many shapes can be also derived
Formula, these are within protection scope of the present invention.
Claims (10)
1. a kind of active hood hinge for protecting pedestrian, including activity page board and fixed leaf plate (100), the fixed leaf plate
(100) initiator is installed, the activity page board includes upper leaf plate (200) and lower leaf plate (300), the lower leaf plate (300) on
One end of one end and fixed leaf plate (100) is rotatably connected, and the other end of lower leaf plate (300) can with one end of upper leaf plate (200)
Rotatable connection, it is characterised in that：Position limiting structure (500), institute are equipped between the other end and lower leaf plate (300) of upper leaf plate (200)
The Z-direction position limiting structure (510) that position limiting structure (500) includes to be broken after stress is stated, the middle part of the upper leaf plate (200) is equipped with card
Groove (210), the lower leaf plate (300) are fixedly arranged in the middle of clamping riveting axis (310), and the clamping riveting axis (310) is caught in card slot
(210) one end.
2. the active hood hinge according to claim 1 for protecting pedestrian, it is characterised in that：The lower leaf plate
(300) mutually folded with the upper leaf plate (200), the lower leaf plate (300) and the upper leaf plate (200) include side plate and top respectively
Plate, the position limiting structure (500) further include Y-direction position limiting structure (520).
3. the active hood hinge according to claim 2 for protecting pedestrian, it is characterised in that：The lower leaf plate
(300) Z-direction position limiting structure (510), the side plate of lower leaf plate (300) vertically are equipped between top plate and the top plate of upper leaf plate (200)
It is horizontal between the side plate of upper leaf plate (200) to be equipped with Y-direction position limiting structure (520).
4. the active hood hinge for protecting pedestrian according to Claims 2 or 3, it is characterised in that：The Z-direction is spacing
For structure (510) for that can shear rivet, the Y-direction position limiting structure (520) is spacing riveting axis.
5. the active hood hinge according to claim 4 for protecting pedestrian, it is characterised in that：The spacing knot of Y-direction
It is close to the one side of the side plate of lower leaf plate (300), the other end and nextpage of the Y-direction position limiting structure (520) in one end of structure (520)
Upper leaf plate (200) is caught between the side plate another side of plate (300).
6. the active hood hinge for protecting pedestrian according to claim 1,2,3 or 5, it is characterised in that：Under described
The side plate of page board (300) is equipped with shrapnel (320), and one end of shrapnel (320) is fixedly connected with side plate, shrapnel (320) it is another
The rivet (330) at end is contacted through lower leaf plate (300) side plate and with the medial surface of upper leaf plate (200).
7. the active hood hinge according to claim 1 for protecting pedestrian, it is characterised in that：The card slot (210)
For arcuate socket, the inner side of arcuate socket is equipped with vibration damping sheet (220), and vibration damping sheet (220) connects the bottom of arcuate socket.
8. the active hood hinge according to claim 1 for protecting pedestrian, it is characterised in that：The fixed leaf plate
(100) and on the lower leaf plate (300) through hole (400) is correspondingly provided with, the lifting arm after the initiator detonation may pass through through hole
(400) and to upper leaf plate (200) lifting force is provided, makes Z-direction position limiting structure (510) destroyed.
9. the active hood hinge for protecting pedestrian according to claim 1 or 8, it is characterised in that：The fixed page
Plate (100) is equipped with least two square nuts (110) and through hole, and deburring groove (120) is provided between square nut (110).
10. the active hood hinge for protecting pedestrian according to any one of claim 1,2,3,5 or 8, its feature
It is：The top plate of the upper leaf plate (200) is equipped with mounting hole (230).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078930.9A CN107916855B (en) | 2017-11-06 | 2017-11-06 | The active hood hinge of pedestrian can be protected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078930.9A CN107916855B (en) | 2017-11-06 | 2017-11-06 | The active hood hinge of pedestrian can be protected |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107916855A true CN107916855A (en) | 2018-04-17 |
| CN107916855B CN107916855B (en) | 2019-09-24 |
Family
ID=61895363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711078930.9A Active CN107916855B (en) | 2017-11-06 | 2017-11-06 | The active hood hinge of pedestrian can be protected |
Country Status (1)
| Country | Link |
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| CN (1) | CN107916855B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284343A (en) * | 2018-04-25 | 2018-07-17 | 温州大学激光与光电智能制造研究院 | Cutters In Mc fail-safe mechanism |
| CN109025586A (en) * | 2018-09-11 | 2018-12-18 | 吉利汽车研究院（宁波）有限公司 | A kind of hood hinge for vehicle |
| CN109252772A (en) * | 2018-11-13 | 2019-01-22 | 慈溪市亚路车辆配件有限公司 | A kind of five bar hinge mechanisms of active pedestrian protecting bonnet |
| CN109798037A (en) * | 2019-01-24 | 2019-05-24 | 宁波吉利汽车研究开发有限公司 | A kind of active hinge |
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| CN112399934A (en) * | 2018-09-17 | 2021-02-23 | 宝马股份公司 | Hinge system for vehicle front cover |
| US11897414B2 (en) | 2018-09-17 | 2024-02-13 | Bayerische Motoren Werke Aktiengesellschaft | Hinge system of a hood of a vehicle |
| CN109252772A (en) * | 2018-11-13 | 2019-01-22 | 慈溪市亚路车辆配件有限公司 | A kind of five bar hinge mechanisms of active pedestrian protecting bonnet |
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| CN113795408A (en) * | 2019-04-17 | 2021-12-14 | 埃德沙工程有限公司 | Deployable flip hinge |
| CN113795408B (en) * | 2019-04-17 | 2023-09-22 | 埃德沙工程有限公司 | Expandable flip hinge |
| US11981284B2 (en) | 2019-04-17 | 2024-05-14 | Edscha Engineering Gmbh | Deployable flap hinge |
| CN111845953A (en) * | 2019-04-28 | 2020-10-30 | 长城汽车股份有限公司 | Engine cover structure and vehicle with same |
| CN110630125A (en) * | 2019-09-27 | 2019-12-31 | 上汽通用汽车有限公司 | Active pedestrian protection front cover hinge system |
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