CN108001402B - Hood lifting apparatus and vehicle with it - Google Patents
Hood lifting apparatus and vehicle with it Download PDFInfo
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- CN108001402B CN108001402B CN201610931542.XA CN201610931542A CN108001402B CN 108001402 B CN108001402 B CN 108001402B CN 201610931542 A CN201610931542 A CN 201610931542A CN 108001402 B CN108001402 B CN 108001402B
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- axle
- hinge
- sliding slot
- hood
- lifting apparatus
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
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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
- B60R21/38—Protecting non-occupants of a vehicle, e.g. pedestrians using means for lifting bonnets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
The invention discloses a kind of hood lifting apparatus and with its vehicle.Hood lifting apparatus includes: the first and second hinges, sliding slot, sliding block and elastic piece, be located in the first and second hinges one of sliding slot and sliding block is located on another, and sliding block is slidably disposed in sliding slot；One end of elastic piece is fixed on corresponding hinge and the other end protrudes into sliding slot；When first axle is located at first position, first axle and second hinge are fixed and are rotated around first axle to open or close hood；During first axle is moved from first position to the second position, first axle is rotated up around second axis, second hinge is rotated up around first axle, slide block movement is to the rear end of sliding slot, it travels forward again from the rear end of sliding slot, and when sliding block moves from back to front, slider-actuated elastic piece is mobile to the upper wall of sliding slot, and sliding block is clamped between elastic piece and the lower wall of sliding slot.Hood lifting apparatus according to the present invention, rising height is big, highly-safe.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of hood lifting apparatus and with its vehicle.
Background technique
Hood is usually located at the front side of vehicle, for covering cabin.Vehicle in the process of moving, if vehicle and front
Pedestrian collision, under the influence of the impact force, the head of pedestrian easily strikes on the rear end or windshield of hood
Secondary injury is caused, and windshield may be crashed and injure passenger.
To solve the above-mentioned problems, the relevant technologies are typically all that the rear end of hood is allowed to be lifted, so that pedestrian airbag
It is unfolded before windshield, but the rising height of hood is smaller in the related technology, pedestrian airbag is not sufficient
To be fully deployed rapidly, the safety of vehicle is not high in space.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
A bright purpose is to propose a kind of hood lifting apparatus that rising height is big.
It is another object of the present invention to propose a kind of vehicle with above-mentioned hood lifting apparatus.
Hood lifting apparatus according to a first aspect of the present invention, comprising: first axle, the first axle are suitable for fixing
On the hood；Second hinge, the second hinge are suitable for rotationally being connected with vehicle body around first axle；Sliding slot, institute
It states on one that sliding slot is located in the first axle and the second hinge；Sliding block, the sliding block are located at the first axle
With on another in the second hinge, the sliding block is slidably disposed in the sliding slot；Elastic piece, the elastic piece
The other end that one end is fixed on one upper and described elastic piece in the first axle and the second hinge protrudes into institute
It states in sliding slot；The first axle is configured to move to second from first position when the acceleration of vehicle is greater than predetermined value
It sets, when the first axle is located at the first position, the first axle is fixed with the second hinge and is suitable for around described
First axle is rotated to open or close the hood；
During the first axle is moved from the first position to the second position, the first axle is with respect to institute
State that second hinge is movable, the first axle is suitable for being rotated up around the second axis for the front end for being located at the hood, institute
Second hinge to be stated to be suitable for being rotated up around first axle, the sliding block is suitable for moving to the rear end of the sliding slot from front to back, then
It travels forward from the rear end of the sliding slot, and during the sliding block travels forward from the rear end of the sliding slot, the sliding block is suitable
Reduce the width of the sliding slot to the movement of the upper wall of the sliding slot in the other end of the driving elastic piece, and the sliding block is suitable
In being clamped between the elastic piece and the lower wall of the sliding slot.
Hood lifting apparatus according to the present invention may make hood by setting sliding block, sliding slot and elastic chip architecture
Lifting angle increase, correspondingly, the lifting stroke of the rear end of hood is bigger, and the pedestrian airbag of vehicle has sufficient space
It can be unfolded rapidly.
In some preferred embodiments of the present invention, the end of the other end of the elastic piece is the first segmental arc, and institute
The first segmental arc is stated to be configured to when the sliding block travels forward from the rear end of the sliding slot, suitable under the driving of the sliding block
It is mobile to the upper wall of the sliding slot, and make to limit width between the elastic piece and the lower wall of the sliding slot and reduce from back to front
Wedge shape space.
Preferably, the elastic piece further includes the second segmental arc, and one end of second segmental arc is fixed on described first
On one in hinge and the second hinge, the other end of second segmental arc is connected with first segmental arc,
First segmental arc is opposite with the bending direction of second segmental arc.
Further, the radius of curvature of second segmental arc is greater than the radius of curvature of first segmental arc, and described
The arc length of second segmental arc is greater than the arc length of first segmental arc.
Preferably, the elastic piece further includes wedge-shaped segment, and the wedge-shaped segment is fixed on the first axle and described second
On one in hinge, the rear end of the wedge-shaped segment is connected with one end of second segmental arc, the width of the wedge-shaped segment
Degree increases from back to front.
In some preferred embodiments of the present invention, the rear portion of the upper wall of the sliding slot is equipped with upwardly recessed evacuation
Slot, one end of the elastic piece are fixed on the cell wall of the escape groove.
Further, one end of the elastic piece is fixed on the front of the cell wall of the escape groove.
Preferably, the elastic piece is sheet metal.
In some preferred embodiments of the present invention, when the first axle is located at the first position, the sliding block position
In in the sliding slot, and the front interval of the sliding block and the sliding slot is opened.
In some preferred embodiments of the present invention, the hood lifting apparatus further includes that the first connector and second connect
At least part of fitting, first connector constitutes the sliding block；
When the first axle is located at the first position, the first axle passes through first connector and described the
Two connectors are fixedly linked with the second hinge；
During the first axle is moved from the first position to the second position, second connector is disconnected,
And at least part of first connector is slided in the sliding slot.
Further, first connector is threaded connector or rivet pin, and second connector is shear pin.
In some preferred embodiments of the present invention, the first axle is equipped with gap slot, sets in the second hinge
There is block, when the first axle is located at the first position, the block only supports the gap slot.
In some preferred embodiments of the present invention, the hood lifting apparatus further include: actuator, the actuator
For driving the first axle or the second hinge so that the first axle is from the first position to the second
Set movement.
In some preferred embodiments of the present invention, the second hinge is equipped with weakening structure.
Preferably, the weakening structure is through slot or notch.
Vehicle according to the second aspect of the invention is arranged the hood any just like first aspect and is lifted dress
It sets.Possessed advantage is identical compared with the existing technology with above-mentioned hood lifting apparatus for the vehicle, and details are not described herein.
Detailed description of the invention
Fig. 1 is the schematic diagram of hood lifting apparatus according to an embodiment of the present invention；
Fig. 2 is the assembling structure schematic diagram of hood lifting apparatus according to an embodiment of the present invention；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the explosive view of hood lifting apparatus according to an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the second connector according to an embodiment of the present invention；
Fig. 6 is the rearview of hood lifting apparatus according to an embodiment of the present invention；
Fig. 7 is the normally closed schematic diagram of hood lifting apparatus according to an embodiment of the present invention；
Fig. 8 is the partial enlarged view in Fig. 7 at B；
Fig. 9 is the normally-open schematic diagram of hood lifting apparatus according to an embodiment of the present invention；
Maximum height position signal when Figure 10 is the urgent lifting of hood lifting apparatus according to an embodiment of the present invention
Figure；
Final lock position signal when Figure 11 is the urgent lifting of hood lifting apparatus according to an embodiment of the present invention
Figure；
Figure 12 is the partial enlarged view in Figure 10 at C.
Appended drawing reference:
Lifting apparatus 100, first axle 110, sliding slot 111, escape groove 112, groove 113, the first via hole 114, the first plate
115, the second plate 116, elastic piece mounting groove 117, gap slot 118, second hinge 120, linkage section 121, crumple section 122, limit
Block 123, the second via hole 124, third via hole 125, flange block 126, through slot 127, pedestal 130, rotating dog 131, notch
132, the first connector 140, the first stud 141, the first nut 142, the first washer 143, the second connector 150, shear pin
151, card slot 152 weakens slot 153, circlip 154, actuator 160, push rod 161, fixed ring 162, igniting tube bank 163, the second spiral shell
Line connector 172, third threaded connector 173, elastic piece 180, the first segmental arc 181, the second segmental arc 182, wedge-shaped segment
183, oscillating guidebar mechanism 200, guide rod 210, crank 220, sliding block 240, hood 300, interior lining panel 310, latch hook 301, first
Axis I, second axis II, original state III are lifted state IV, are lifted angle α, the first obtuse angles beta, the second obtuse angle γ.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
Hood lifting apparatus according to an embodiment of the present invention is described referring to Fig. 1-Figure 12.As shown in Fig. 1-Figure 12,
The lifting apparatus 100 of hood 300 according to an embodiment of the present invention, comprising: first axle 110, second hinge 120, sliding slot
111, sliding block 240 and elastic piece 180.
First axle 110 is suitable for being fixed on hood 300, and first axle 110 is suitable for rotating around second axis II.It can
With understanding, first axle 110 can be rotated with hood 300 around second axis II, the front end of hood 300 and vehicle
Body fastens and locking, and second axis II can be at the front end of hood 300 and the locking of vehicle body, that is to say, that the second axis
Line II is the pivot center of rear end hood 300 when being lifted upwards of hood 300, vehicle when driving, if vehicle with
The pedestrian collision in front, first axle 110 can be rotated with hood 300 around second axis II, so that hood
300 rear end lifting, convenient for the expansion of pedestrian airbag.
Optionally, as shown in Fig. 2 and Fig. 4-Fig. 7 and Fig. 9-Figure 11, latch hook has been can be set in the front end of hood 300
301, latch hook 301 can be connected with the lock on vehicle body so that the front end of hood 300 and vehicle body fasten.
Second hinge 120 is suitable for rotationally being connected with vehicle body around first axle I, and first axle I can be located at engine
The rear end of cover 300.
Oscillating guidebar mechanism 200 is collectively formed in first axle 110, second hinge 120 and vehicle body, wherein first axle 110
With the guide rod 210 of one in second hinge 120 composition oscillating guidebar mechanism 200, in first axle 110 and second hinge 120
Another constitute the crank 220 of oscillating guidebar mechanism 200, the pivot center of two revolute pairs of oscillating guidebar mechanism 200 point
Not Wei first axle I and second axis II, the line of first axle I and second axis II is the rack of oscillating guidebar mechanism 200.
As shown in Figure 1, above-mentioned oscillating guidebar mechanism 200 is configured to move to lift from original state III under external force
State IV is risen, in original state III, first axle 110 and second hinge 120 are fixedly linked, and oscillating guidebar mechanism 200
Sliding block 240 is located at below rack, and in other words, first axle 110 and second hinge 120 are formed as certain angle, such as first
Hinge 110 and second hinge 120 are formed as the first obtuse angles beta.In the state IV of lifting, sliding block 240 is located above rack, changes speech
It, first axle 110 and second hinge 120 are formed as certain angle, such as first axle 110 and the formation of second hinge 120
For the second obtuse angle γ.
It is understood that the sliding block 240 of oscillating guidebar mechanism 200 can two extreme positions on guide rod 210 it
Between move, and in original state III, sliding block 240 is located at the initial position being spaced apart with two extreme positions, and from initial shape
During state III moves to lifting state IV, sliding block 240 moves to one in two extreme positions along guide rod 210 from initial position
It is moved to again afterwards by the position that elastic piece is stuck on guide rod, optionally, guide rod 210 and crank 220 can not circle, only
It can swing.
As shown in Figure 1, rotating counterclockwise in guide rod 210, crank 220 is along when rotating clockwise, and sliding block 240 is along guide rod
210 from initial position setting in motion, and sliding block 240 is more and more closer with a distance from first axle I, until move to guide rod 210 with
Crank 220 is in the position of the straight angle, and sliding block 240 moves to an extreme position in two extreme positions at this time；Guide rod 210 continues
It rotates counterclockwise, crank 220 continues along rotating clockwise, and sliding block 240 is along guide rod 210 counter motion (240 phase of front-slider therewith
It is opposite to the direction of motion of guide rod 210), i.e., sliding block 240 is more and more remoter with a distance from first axle I, until sliding block 240 moves to
When on two guide rods by the position of 180 clamping stagnation of elastic piece, sliding block 240 is stuck by guide rod 210 at this time, guide rod 210 or crank 220
Rotational angle be hood 300 lifting angle α.
As shown in Figure 1, constituting the guide rod 210 of oscillating guidebar mechanism 200 in first axle 110, second hinge 120 constitutes pendulum
In the embodiment of the crank 220 of dynamic guide-bar mechanism 200, the rotational angle of guide rod 210 is the lifting angle α of hood 300.
Optionally, sliding slot 111 is located on one in first axle 110 and second hinge 120, and sliding block 240 is located at first
On another in hinge 110 and second hinge 120, sliding block 240 is slidably disposed in sliding slot 111, one end of elastic piece 180
One be fixed in first axle 110 and second hinge 120 is above and the other end of elastic piece 180 protrudes into sliding slot 111.
First axle 110 is configured to move to second from first position when the acceleration of vehicle is greater than predetermined value
It sets, when first axle 110 is located at first position, first axle 110 is fixed with second hinge 120 and is suitable for around I turn of first axle
It moves to open or close hood 300.
It should be pointed out that first position is position of the hood lifting apparatus 100 in 300 normally closed of hood,
As shown in Figure 7.The second position is final lock position of the hood lifting apparatus 100 when hood 300 is promptly lifted, and is such as schemed
Position shown in 11.
During first axle 110 is moved from first position to the second position, first axle 110 is with respect to second hinge 120
Movable, first axle 110 is suitable for being rotated up around the second axis II for the front end for being located at hood 300, and second hinge 120 is suitable
It is rotated up in around first axle I, sliding block 240 is suitable for moving to the rear end of sliding slot 111 from front to back, then after sliding slot 111
End travels forward, and during sliding block 240 travels forward from the rear end of sliding slot 111, sliding block 240 is suitable for driving elastic piece 180
The other end is to the mobile width to reduce sliding slot 111 of the upper wall of sliding slot 111, and sliding block 240 is suitable for being clamped on elastic piece 180 and slides
Between the lower wall of slot 111.
In conclusion the lifting apparatus 100 of hood 300 according to an embodiment of the present invention, by by the lift of hood 300
Rise device 100 and be arranged to the oscillating guidebar mechanism 200 of above structure form, and in original state III, make sliding block 240 be located at
Two extreme positions initial position spaced apart, as a result, in urgent lifting, the stroke that sliding block 240 moves is remote, so that hood
300 lifting angle α increases, and correspondingly, the rising height of the rear end of hood 300 is bigger, can be hood 300 and vehicle
The internal structure of cabin provides sufficiently large cushion space, and the internal structure of pedestrian and cabin is avoided directly to impact, the row of vehicle
People's air bag has sufficient space that can be unfolded rapidly.
In some embodiments, as shown in figure 8, the end of the other end of elastic piece 180 is the first segmental arc 181, and the
One segmental arc 181 is configured to when sliding block travels forward from the rear end of sliding slot 111, suitable under the driving of sliding block 240 to sliding slot
111 upper wall is mobile, and makes to limit the wedge shape sky that width reduces from back to front between elastic piece 180 and the lower wall of sliding slot 111
Between.
That is, in rear end forward slip of the sliding block 240 from sliding slot 111,180 extrusion of elastic piece and towards cunning
The upper wall of slot 111 is overturn, and the first segmental arc 181 stops the upper wall to sliding slot 111, in this way in 180 thickness of elastic piece and the
Under the collective effect of one segmental arc 181, so that wedge shape space is limited between elastic piece 180 and the lower wall of sliding slot 111, to hinder
Hinder sliding block 240 to continue to slide, pass through sliding block 240 can not due to the reduction of 111 width of sliding slot, it is final stagnant in sliding slot 111
The a certain position of central region.
In some preferred embodiments of the present invention, elastic piece 180 further includes the second segmental arc 182, the second segmental arc 182
One end be fixed on one in first axle 110 and second hinge 120, it is preferable that first axle 110 and second hinge
Flexible mounting groove 117 can be set on one in 120, one end of the second segmental arc 182 can be embedded in by interference fit
In corresponding elastic piece mounting groove 117, the other end of the second segmental arc 182 is connected with the first segmental arc 181, and the second arc
Section 182 is opposite with the bending direction of the first segmental arc 181.
Further, as shown in figure 8, the radius of curvature of the second segmental arc 182 can be greater than the curvature of the first segmental arc 181
Radius, and the arc length of the second segmental arc 182 is greater than the arc length of the first segmental arc 181.It can guarantee sliding block 240 to sliding slot in this way
When 111 rear end sliding, the central region of sliding slot 111 can be passed through along the cambered surface of elastic piece 180, and move to sliding slot
111 rear end.
In some embodiments, as shown in figure 8, elastic piece 180 can also include wedge-shaped segment 183, wedge-shaped segment 183 is fixed on
On one in first axle 110 and second hinge 120, the rear end of wedge-shaped segment 183 is connected with one end of the second segmental arc 182,
And the width of wedge-shaped segment 183 is gradually increased from back to front.
Preferably, wedge-shaped segment 183 can also be embedded in elastic piece mounting groove 117 by interference fit, can make bullet in this way
Piece firmly installing in elastic piece mounting groove 117, prevent elastic piece 180 when sliding block 240 is mobile to the rear end of sliding slot 111
It is fallen under the impetus of sliding block 240.
Meanwhile in rear end forward end motion of the sliding block 240 from sliding slot 111, sliding block 240 makes elastic piece 180 to sliding slot 111
The overturning of upper wall direction block the wedge-shaped segment 183 of elastic piece 180 further to be applied to the forward power of elastic piece 180
Tightly in elastic piece mounting groove 117.
Preferably, as shown in fig. 7, the rear portion of the upper wall of sliding slot 111 is equipped with upwardly recessed escape groove 112, elastic piece
180 one end is fixed on the cell wall of escape groove 112, and further, one end of elastic piece 180 can be fixed on escape groove 112
Cell wall front on, and 182 part of the second segmental arc of elastic piece 180 is located in escape groove 112, and in sliding block 240 to cunning
When the rear end of slot 111 is mobile, sliding block 240 pushes elastic piece 180 so that the first segmental arc 181 and the second segmental arc 182 are set completely
In in escape groove 112, to make sliding block 240 pass through elastic piece 180 and move to the rear end of sliding slot 111.
Preferably, the elastic piece 180 of the embodiment of the present invention can be sheet metal, in this way can guarantee elastic piece 180 with compared with
High intensity and hardness, to be not susceptible to deform in compressive deformation or be broken.
In some preferred embodiments of the present invention, under normal condition, when first axle 110 is located at first position, sliding block
240 are located in sliding slot 111, and sliding block 240 and the front interval of sliding slot 111 are opened, i.e., the front end of sliding block 240 and sliding slot 111 there are
Certain gap, in this way can front end generation catching phenomenon of the anti-limited slip block 240 at setting in motion initial stage, with sliding slot 111.
In some preferred embodiments of the invention, the lifting apparatus 100 of hood 300 can also include the first connection
Part 140 and the second connector 150.Wherein, at least part of the first connector 140 is configured to oscillating guidebar mechanism 200
Sliding block 240, sliding slot 111 can be equipped on one in first axle 110 and second hinge 120.
When first axle 110 is located at first position, first axle 110 passes through the first connector 140 and the second connector 150
It is fixedly linked with second hinge 120, during first axle 110 is moved from first position to the second position, the second connector 150 is disconnected
It opens, and at least part of the first connector 140 is slided in sliding slot 111.
When oscillating guidebar mechanism 200 is located at original state III, first axle 110 and second hinge 120 connect by second
Fitting 150 is fixedly linked, and first axle 110 and second hinge 120 are unable to move relatively at this time, and the first connector 140 is extremely
Few a part is located at the initial position being spaced apart with the both ends of sliding slot 111.
During oscillating guidebar mechanism 200 moves to lifting state IV from original state III, the second connector 150 is disconnected, from
And make be fixedly connected disconnection of the first axle 110 with second hinge 120, to make first axle 110 and second hinge 120 can phase
To movement, and the first connector 140 moves to behind the rear end that initial position moves to sliding slot 111 further along in sliding slot 111
The a certain position of 111 central region of sliding slot.
It is understood that the guide rod 210 of the composition oscillating guidebar mechanism 200 in first axle 110 and second hinge 120
One be equipped with sliding slot 111, the crank 220 of the composition oscillating guidebar mechanism 200 in first axle 110 and second hinge 120
One be equipped with the first connector 140, at least part of the first connector 140 is located in sliding slot 111, and the first connector
140 can be mobile with along the chute 111.
In original state III, at least part of the first connector 140 is spaced apart with the both ends of sliding slot 111, that is,
Say, the initial position of the first connector 140 between the both ends of sliding slot 111, and not with two end in contact of sliding slot 111.In vehicle
When encountering emergency the rear end of hood 300 being needed to be lifted rapidly, first axle 110 and second hinge 120 are rotated up
To drive hood 300 to rotate, and the first connector 140 can move to behind the rear end of sliding slot 111 further along from initial position
Move to a certain position at 111 middle part of sliding slot.
Preferably, as shown in Figure 2 and Figure 4, first axle 110 can be structured as " L " type, and first axle 110 can wrap
The first plate 115 and the second plate 116 are included, the intensity of first axle 110 is high as a result,.
Preferably, sliding slot 111 can be located in first axle 110, and specifically, sliding slot 111 can be located at the second plate 116
On, and due to the intensity of first axle 110 height, so as to prevent first axle 110 to be broken at sliding slot 111, lifting apparatus
100 intensity is higher.
Optionally, as shown in Fig. 2 and Fig. 4-Fig. 7 and Fig. 9-Figure 11, hood 300 can be equipped with interior lining panel 310, first
Hinge 110 can be fixedly connected with interior lining panel 310, for example first axle 110 can be connected through a screw thread part and interior lining panel 310 is solid
Fixed connection, specifically, the first plate 115 of first axle 110 can pass through the second threaded connector 172 and third threaded connector
173 are fixedly connected with interior lining panel 310, and the second threaded connector 172 and third threaded connector 173 can be spaced along the longitudinal direction
It opens up and sets.Second threaded connector 172 and third threaded connector 173 can include stud and nut.
Preferably, as shown in Fig. 2 and Fig. 3-Fig. 7 and Fig. 9-Figure 11, the first connector 140 can be threadedly coupled for first
Part, when oscillating guidebar mechanism 200 is located at original state III, first axle 110 and second hinge 120 are threadedly coupled by first
Part clamps.
Optionally, the first connector 140 or rivet pin, when oscillating guidebar mechanism 200 is located at original state III,
First axle 110 and second hinge 120 are clamped by rivet pin.
Specifically, by taking the first threaded connector as an example, as shown in figure 4, the first threaded connector may include the first stud
141, the first nut 142 and the first washer 143 can be equipped with third via hole 125, the light of the first stud 141 in second hinge 120
Bar part can cooperate with third via hole 125, and at least part of the first connector 140 is to slide being located at for the first stud 141
Part in slot 111, and the first stud 141 sequentially passes through third via hole 125, sliding slot 111, the first washer 143 and the first nut
142 lockings, so that the second plate 116 and second hinge 120 of first axle 110 are clamped in the head of the first stud 141 and the
Between one nut 142, at the same can by adjust stud be located at 111 outer portion of sliding slot the first threaded connector of length adjustment it is pre-
Clamp force guarantees pretightning force appropriateness, can in case of emergency actuate the opposite sliding in sliding slot 111 of sliding block 240.
It is understood that as shown in figures 7 and 9, in normal state, clamping first axle in the first threaded connector
110 and second hinge 120 pretightning force and the second connector 150 collective effect under so that first axle 110 and second hinge
Chain 120 is fixed to each other, and to realize that the whole of hood 300 opens and closes, the power for opening hood 300 is insufficient to allow the second company
Fitting 150 disconnects the connection with first axle 110 and second hinge 120.
In an emergency situation, 120 stress of first axle 110 or second hinge disconnects the second connector 150 and first
The connection of hinge 110 and second hinge 120, then the first threaded connector is overcome to clamp first axle 110 and second hinge 120
Pretightning force overcomes above-mentioned double pretightning force, can be in 100 movement initial stage of lifting apparatus rushing of just absorbing that first axle 110 is subject to
Inertia is hit, prevents lifting apparatus 100 that can not be stuck when moving to lifting state IV due to huge inertia force.
That is, the lifting apparatus 100 of hood 300 according to an embodiment of the present invention, does not influence hood 300 just
The folding being often used, and in an emergency situation, the rear end of hood 300 can be made to be lifted rapidly.
In some optional embodiments of the invention, as shown in figure 4, the second connector 150 can be shear pin 151.
It can be equipped with the first via hole 114 in first axle 110, the second via hole 124 can be equipped in second hinge 120, shear pin 151 can
To run through the first via hole 114 and the second via hole 124 so that first axle 110 is fixedly linked with second hinge 120.
As shown in figure 5, can be equipped with card slot 152 on shear pin 151, in a ring, and card slot 152 can be along cutting for card slot 152
Cut the circumferential setting of pin 151, circlip 154 may be mounted in card slot 152 so that shear pin 151 be connected to first axle 110 with
Between second hinge 120.Reduction slot 153 is also provided on shear pin 151, reduction slot 153 can also in a ring, and along shearing
The circumferential setting of pin 151, and weaken slot 153 and be spaced setting on the axial direction of shear pin 151 with card slot 152, in the first hinge
Chain 110 or second hinge 120 by external force effect when, shear pin 151 can be cut at reduction slot 153,151 quilt of shear pin
Two parts are cut into, two parts can be stayed in respectively on the first via hole 114 and the second via hole 124.
In other optional embodiments of the invention, the second connector 150 may include threaded connector and be located at
Stay hook in first axle 110, can be equipped with the second via hole 124 in second hinge 120, which can be through the
Two via holes 124 fix first axle 110 by the threaded connector with second hinge 120, and first axle 110 passes through support
Hook is supported on the threaded connector.
As a result, in an emergency situation, 120 stress of first axle 110 or second hinge, thus make stay hook be threadedly coupled
Part is detached from, to release the connection of first axle 110 and second hinge 120.
In some preferred embodiments of the present invention, as shown in Fig. 2 and Fig. 4-Fig. 7 and Fig. 9-Figure 11, in first axle 110
It can be equipped with gap slot 118, block can be equipped in second hinge 120, further, block can be flange block 126, i.e.,
Block can be 122 edge of crumple section turnup structure outstanding, and be connected with the flange at 122 edge of crumple section, in first axle
110 be located at first position when, flange block 126 can only support gap slot 118.
Under 300 normal operating condition of hood, first axle 110 and second hinge 120 are due to the first connector 140 1
Determine pretightning force away from tighten and be consolidated with the limit of the second connector 150, when closure or openness hood 300, draw
Cover 300 and first axle 110 and second hinge 120 is held up to rotate around first axle I together, during this gap slot 118 always with
Flange block 126 is contradicted to share the part loading of shear pin 151, to guarantee the functional reliability of shear pin 151, makes to shear
Shearing force suffered by pin 151 is much smaller than its shear strength, to realize the normally-open of hood 300 and closure.
In some optional embodiments of the invention, as shown in Fig. 2 and Fig. 4-Fig. 7 and Fig. 9-Figure 11, hood 300
Lifting apparatus 100 can also include actuator 160, actuator 160 for drive first axle 110 or second hinge 120 with
Move first axle 110 from first position to the second position, further, actuator 160 can drive first axle 110 or
Second hinge 120 is so that first axle 110 and second hinge 120 are rotated around respective axis, so that the lifting of hood 300 be made to fill
It sets 100 and moves to lifting state IV from original state III, in other words, actuator 160 can drive first axle 110 or the second hinge
Chain 120, so that first axle 110 is rotated around second axis II, second hinge 120 is rotated around first axle I.That is, causing
Dynamic device 160 provides the external force that driving oscillating guidebar mechanism 200 moves to lifting state IV from original state III.
Optionally, actuator 160 can be actuator, and actuator can be fixed on vehicle body by fixed ring 162, and be promoted
Igniting tube bank 163 can be equipped on dynamic device, igniting tube bank 163 is suitable for being connected with the ECU of vehicle, with optional according to the operating condition of vehicle
Ignite to selecting property.When emergency occurs for vehicle, lead fire tube bank 163 can star actuator 160.
Certainly, actuator 160 is not limited to actuator, can also be other devices, for example high speed electric source, high pressure hydraulic are driven
Dynamic source, high pressure gas energy storage equipment etc..
Optionally, actuator 160 can also include push rod 161, push rod 161 can extend with push first axle 110 or
Second hinge 120, one end of push rod 161 is suitable for only to first axle 110 or second hinge 120, and should only support first axle
110 or the end of second hinge 120 can be structured as spherical surface.Push rod 161 can be more smoothly along first axle 110 as a result,
Or second hinge 120 is slided, so that first axle 110 or second hinge 120 be pushed to rotate.
Preferably, such as Fig. 2 and shown, the surface towards push rod 161 of first axle 110 or second hinge 120 can be set
There is the groove 113 extended along the longitudinal direction, push rod 161 is suitable for only supporting groove 113, and groove 113 can play the role of guiding.
In some optional embodiments of the present invention, as shown in Fig. 2, the first plate 115 of first axle 110 towards push rod
The groove 113 extended along the longitudinal direction can be equipped on 161 surface, push rod 161 is suitable for only supporting groove 113, thus in push rod
Push rod 161 can be slided along groove 113 in 161 elongation process, to push first axle 110 to rotate.
In other optional embodiments of the invention, the surface towards push rod 161 of second hinge 120 can be equipped with edge
The groove that front-rear direction extends, push rod 161 is suitable for only supporting groove, so that push rod 161 can be along recessed in 161 elongation process of push rod
Slot sliding, to push second hinge 120 to rotate.
Certainly, in the case where push rod 161 only can support hinge surface well, first axle 110 or second hinge 120
The surface towards push rod 161 can also be not provided with groove, and make push rod 161 directly act on first axle 110 or second hinge
On chain 120, it thus can simplify the molding procedure of first axle 110 or second hinge 120, to reduce production cost.
Optionally, as shown in Fig. 2 and Fig. 4-Fig. 7 and Fig. 9-Figure 11, second hinge 120 is configured to gooseneck type.As a result,
Two hinge 120 is prone to deformation when being hit, to absorb the energy hit.
Specifically, as shown in Fig. 2 and Fig. 4 and Fig. 9-Figure 11, second hinge 120 may include linkage section 121 and crumple
Section 122, linkage section 121 can be connected with crumple section 122, and linkage section 121 can be located at the front of crumple section 122, linkage section
121 can be formed as tabular, and second hinge 120 can be connected by linkage section 121 with first axle 110, and crumple section 122 can
General " U " shaped to be configured to, when being hit, crumple section 122 is prone to crumple deformation, to absorb the energy hit, from
And promote the safety of vehicle.
Preferably, weakening structure can be equipped in the crumple section 122 of second hinge 120, in some optional realities of the present invention
It applies in example, as shown in Fig. 2 and Fig. 7 and Fig. 9-Figure 11, weakening structure can be through slot 127, and through slot 127 is in oblong, and big
Body extends along the longitudinal direction, and through slot 127 penetrates through the crumple section 122 of second hinge 120 in a thickness direction, thus pedestrian with
After primary collision occurs for automobile front beam, when pedestrian head or upper body impact hood again, weakening structure can be sent out
The shape that changes energy-absorbing had not only avoided the upper body of pedestrian and had directly impacted with enging cabin internal structure, but also can collapse energy-absorption buffering appropriate
The impact strength of pedestrian, also provides extending space for pedestrian protection airbag, to preferably realize the protection to pedestrian.
In other optional embodiments of the invention, weakening structure may be notch, and notch can be set in crumple
The edge of section 122, to buffer the impact strength of pedestrian, drops to can be crushed deformation when pedestrian and automobile collide
The degree of low row people's injury.
As shown in Fig. 2 and Fig. 7 and Fig. 9-Figure 11, the lifting apparatus 100 of hood 300 can also include pedestal 130, base
Seat 130 is suitable for being connected with vehicle body, and second hinge 120 is rotationally connected around first axle I with pedestal 130.
Optionally, pedestal 130 can be connected through a screw thread part and be fixedly linked with vehicle body, and second hinge 120 can pass through rotation
It ships and resell on another market and 131 is rotatably connected on pedestal 130, the axis of rotating dog 131 is overlapped with first axle I.
As Figure 9-Figure 11, it can be equipped with notch 132 on pedestal 130, limited block can be equipped in second hinge 120
123, as shown in figure 8, the limited block 123 in second hinge 120 can stop when normally-open hood 300 arrives extreme position
Side wall to notch 132, to play the role of limit and control 300 maximum opening of hood.
It is described below worked under the normal condition of the lifting apparatus 100 of hood 300 according to an embodiment of the present invention
Journey.
As shown in figure 9, opening the latch hook 301 of 300 front end of hood, i.e., openable hood 300, due to hood 300
It is fixedly connected with first axle 110, first axle 110 passes through 140 phase of shear pin 151 and the first connector with second hinge 120
Even, and the external force of lifting 300 front end of hood is insufficient to allow shear pin 151 to be cut, and hood 300 can be around first axle I
Rotation, until the limited block 123 in second hinge 120 stops the side wall to notch 132.
Correspondingly, as shown in fig. 7, when being closed hood 300, since hood 300 is fixedly connected with first axle 110,
First axle 110 is connected with second hinge 120 by shear pin 151 and the first connector 140, thus in closure hood 300
During, hood 300 is rotated clockwise around first axle I together with first axle 110 and second hinge 120, and is closed
300 external force of hood is insufficient to allow shear pin 151 to be cut, to realize the normally closed of hood 300.
It is described below worked under the state of emergency of the lifting apparatus 100 of hood 300 according to an embodiment of the present invention
Journey.
In original state III, pass through shear pin 151 and the first connection between first axle 110 and second hinge 120
Part 140 is mutually permanently connected, and the first connector 140 is located at the initial position in sliding slot 111, and the both ends with sliding slot 111 at this time
It is spaced apart.
When emergency (with pedestrian collision) occurs for vehicle, actuator 160 is activated, the push rod 161 of actuator 160
It can stop along the axial elongation of actuator 160 to the groove 113 in first axle 110, shear pin 151 is cut first, is caused
The thrust of dynamic device 160 overcomes the first connector 140 to clamp the pretightning force of first axle 110 and second hinge 120 again, makes the first hinge
Chain 110 is rotated around second axis II, and second hinge 120 is rotated around first axle I.The push rod 161 of actuator 160 is only in movement
The groove 113 in first axle 110 is only supported in the last period stroke, what the rear a trip of movement relied primarily on is hood 300
Inertia force.
Motion profile of first connector 140 in sliding slot 111 is the rear end that sliding slot 111 is moved to from initial position, then
It is last stuck in the space that elastic piece 180 and 111 lower wall of sliding slot limit inversely towards the nose motion of sliding slot 111.
Push rod 161, which is slided backwards on, in sliding slot 111 lower wall of first connector 140 in first axle 110 completes lifting
Stroke stops after rising, and since push rod 161 is to the huge lifting impulse inertia of hood 300, hood 300 continues around front end lock
Hook 301 rotates clockwise, and the first connector 140 continues 111 lower walls along the chute and slides backward, and starts to squeeze elastic piece 180, bullet
Property piece 180 squeezed by the first connector 140 after compress in escape groove 112, until 180 lower part of elastic piece fully enters escape groove
After 112, the first mobile connector 140 of 111 lower walls starts to be detached from elastic piece 180 along the chute, until moving to 111 rear end of sliding slot
And after hitting 111 rear wall of sliding slot, the be hit reaction force of cell wall of the first connector 140 111 travels forward along the chute, and this mistake
The elastic piece 180 discharged in journey resiles, and the first connector 140 is hindered 111 to move down along the chute, and as shown in figure 11, first connects
Fitting 140 squeeze again elastic piece 180 make its deformation backward overturning be covered on the upper cell wall of sliding slot 111, due to elastic piece 180
Itself there is certain thickness, while the arc structure of 180 first segmental arc 181 of elastic piece and the second segmental arc 182 makes sliding slot 111
The wedge shaped ratio of groove width (i.e. beloid), the first connector 140 is since 111 width of sliding slot becomes smaller and can not pass through, 180 tail of elastic piece
The wedge-shaped segment 183 in portion is defined in elastic piece 180 in elastic slice mounting groove 117, and final first connector, 140 clamping stagnation is in sliding slot
In 111, to constrain the whereabouts of 300 rear end of first axle 110 and hood, realizes latch functions, keep 300 rear end of hood
Lifting stroke.
Preferably, on the automobile for having pedestrian protection airbag module, pedestrian protection system ECU can also give air bag ignition letter
Number, it is allowed to smoothly stretch out expansion from the hood rear end of lifting, primary collision occurs in pedestrian and automobile front beam in this way
Afterwards, when pedestrian head or upper body impact hood 300 again, 300 rear end of hood and first axle 110 can move down together,
Due to the first connector 140 for being attached in first axle 110 by clamping stagnation in the sliding slot 111 of the first connector 140, to resist
The quick sinking of 300 rear end of hood, the suction until the gooseneck type part (including weakening structure) of second hinge 120 deforms
Can, it had not only avoided the upper body of pedestrian and had directly been impacted with enging cabin internal structure, but also energy collapse energy-absorption appropriate buffers rushing for pedestrian
Hit intensity, so that the protection to pedestrian be better achieved.
In conclusion the lifting apparatus 100 of hood 300 according to an embodiment of the present invention, by the way that above structure shape is arranged
The sliding slot 111 of formula, can make the rotational travel of lifting apparatus 100 big, and lifting apparatus 100 is made to may remain in lifting state IV,
The structure of the lifting apparatus 100 of hood 300 is simple, practical, more preferable to the protectiveness of pedestrian.
Vehicle according to an embodiment of the present invention is described below.
As shown in figs. 1-12, vehicle according to an embodiment of the present invention is provided with any hood of above-described embodiment description
300 lifting apparatus 100.
The rising height of vehicle according to an embodiment of the present invention, vehicle hood 300 when encountering emergency is bigger, more
Conducive to the expansion of pedestrian airbag, safety is more preferable.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiment or examples.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (16)
1. a kind of hood lifting apparatus characterized by comprising
First axle, the first axle are suitable for being fixed on the hood；
Second hinge, the second hinge are suitable for rotationally being connected with vehicle body around first axle；
Sliding slot, the sliding slot are located on one in the first axle and the second hinge；
Sliding block, the sliding block are located on another in the first axle and the second hinge, and the sliding block is slideably
It is located in the sliding slot；
Elastic piece, one end of the elastic piece are fixed on one upper and institute in the first axle and the second hinge
The other end for stating elastic piece protrudes into the sliding slot；
The first axle is configured to move to the second position from first position when the acceleration of vehicle is greater than predetermined value, institute
When stating first axle and being located at the first position, the first axle and the second hinge are fixed and are suitable for around the first axle
Line is rotated to open or close the hood；
During the first axle is moved from the first position to the second position, the first axle relatively described
Two hinge is movable, and the first axle is suitable for being rotated up around the second axis of front end for being located at the hood, and described the
Two hinge is suitable for being rotated up around first axle, and the sliding block is suitable for moving to the rear end of the sliding slot from front to back, then from institute
The rear end for stating sliding slot travels forward, and during the sliding block travels forward from the rear end of the sliding slot, and the sliding block is suitable for driving
The other end of the elastic piece is moved to the mobile width to reduce the sliding slot of the upper wall of the sliding slot, and the sliding block is suitable for card
Tightly between the elastic piece and the lower wall of the sliding slot.
2. hood lifting apparatus according to claim 1, which is characterized in that the end of the other end of the elastic piece is
First segmental arc, and first segmental arc is configured to when the sliding block travels forward from the rear end of the sliding slot, is suitable for
It is mobile to the upper wall of the sliding slot under the driving of the sliding block, and make to limit between the elastic piece and the lower wall of the sliding slot
The wedge shape space that width reduces from back to front.
3. hood lifting apparatus according to claim 2, which is characterized in that the elastic piece further includes the second arc
Section, one end of second segmental arc are fixed on one in the first axle and the second hinge, and described the
The other end of two segmental arcs is connected with first segmental arc, the bending direction of first segmental arc and second segmental arc
On the contrary.
4. hood lifting apparatus according to claim 3, which is characterized in that the radius of curvature of second segmental arc is big
In the radius of curvature of first segmental arc, and the arc length of second segmental arc is greater than the arc length of first segmental arc.
5. hood lifting apparatus according to claim 3, which is characterized in that the elastic piece further includes wedge-shaped segment, institute
Wedge-shaped segment is stated to be fixed on one in the first axle and the second hinge, the rear end of the wedge-shaped segment with it is described
One end of second segmental arc is connected, and the width of the wedge-shaped segment increases from back to front.
6. hood lifting apparatus according to claim 1, which is characterized in that the rear portion of the upper wall of the sliding slot is equipped with
Upwardly recessed escape groove, one end of the elastic piece are fixed on the cell wall of the escape groove.
7. hood lifting apparatus according to claim 6, which is characterized in that one end of the elastic piece is fixed on described
On the front of the cell wall of escape groove.
8. hood lifting apparatus according to claim 1, which is characterized in that the elastic piece is sheet metal.
9. hood lifting apparatus according to claim 1, which is characterized in that the first axle is located at described first
When setting, the sliding block is positioned in the chute, and the front interval of the sliding block and the sliding slot is opened.
10. hood lifting apparatus according to claim 1, which is characterized in that further include that the first connector and second connect
At least part of fitting, first connector constitutes the sliding block；
When the first axle is located at the first position, the first axle is connected by first connector and described second
Fitting is fixedly linked with the second hinge；
During the first axle is moved from the first position to the second position, second connector is disconnected, and institute
At least part for stating the first connector is slided in the sliding slot.
11. hood lifting apparatus according to claim 10, which is characterized in that first connector is to be threadedly coupled
Part or rivet pin, second connector are shear pin.
12. hood lifting apparatus according to claim 1, which is characterized in that the first axle is equipped with gap slot,
The second hinge is equipped with block, and when the first axle is located at the first position, the block only supports the gap slot.
13. hood lifting apparatus according to claim 1, which is characterized in that further include: actuator, the actuator
For driving the first axle or the second hinge so that the first axle is from the first position to the second
Set movement.
14. hood lifting apparatus according to claim 1, which is characterized in that the second hinge is equipped with reduction knot
Structure.
15. hood lifting apparatus according to claim 14, which is characterized in that the weakening structure is through slot or lacks
Mouthful.
16. a kind of vehicle, which is characterized in that be arranged just like hood lifting apparatus described in any one of claim 1-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931542.XA CN108001402B (en) | 2016-10-31 | 2016-10-31 | Hood lifting apparatus and vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931542.XA CN108001402B (en) | 2016-10-31 | 2016-10-31 | Hood lifting apparatus and vehicle with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108001402A CN108001402A (en) | 2018-05-08 |
| CN108001402B true CN108001402B (en) | 2019-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610931542.XA Active CN108001402B (en) | 2016-10-31 | 2016-10-31 | Hood lifting apparatus and vehicle with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108001402B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6439330B1 (en) * | 2001-11-05 | 2002-08-27 | Ford Global Technologies, Inc. | Vehicle hood deployment device for pedestrian protection |
| JP2003182511A (en) * | 2001-12-25 | 2003-07-03 | Aisin Seiki Co Ltd | Vehicle hood raising device and control method thereof |
| GB0602586D0 (en) * | 2006-02-10 | 2006-03-22 | Ford Global Tech Llc | A hinge mechanism |
| JP4410822B2 (en) * | 2008-01-25 | 2010-02-03 | トヨタ自動車株式会社 | Pop-up hood device for vehicle |
| CN102700497A (en) * | 2012-06-20 | 2012-10-03 | 湖南大学 | Car engine hood bounce device based on pedestrian head injury protection |
| CN204899536U (en) * | 2015-07-29 | 2015-12-23 | 比亚迪股份有限公司 | Engine bonnet hinge structure and pedestrian protection device |
-
2016
- 2016-10-31 CN CN201610931542.XA patent/CN108001402B/en active Active
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|---|---|
| CN108001402A (en) | 2018-05-08 |
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