CN107878571A - The guard method of automobile engine hood hinge mechanism and the utilization mechanism to pedestrian head - Google Patents
The guard method of automobile engine hood hinge mechanism and the utilization mechanism to pedestrian head Download PDFInfo
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- CN107878571A CN107878571A CN201711036495.3A CN201711036495A CN107878571A CN 107878571 A CN107878571 A CN 107878571A CN 201711036495 A CN201711036495 A CN 201711036495A CN 107878571 A CN107878571 A CN 107878571A
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- rotating shaft
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- hatch cover
- piston rod
- vehicle engine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
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- 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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
A kind of guard method of automobile engine hood hinge mechanism and the utilization mechanism to pedestrian head, has the hinge function that vehicle engine hatch cover opens and closes；Simultaneously when pedestrian and automobile front collide, engine compartment cover can be made to lift and fall after rise, so as to be protected to pedestrian head.Formed including quadric chain and lifting mechanism, the quadric chain includes hair lid connecting plate, long push rod, short support bar, base, back link rotating shaft, front rod rotating shaft, U-shaped spring, jump ring, short support bar and long push rod one end are hinged with hair lid connecting plate respectively, the short support bar other end is fixed by back link rotating shaft and U-shaped spring with base skewed slot end, and the long push rod other end is fixed by the horizontal strip nose end of front rod rotating shaft and jump ring and base；The lifting mechanism includes generator body, piston cylinder, setting gas generator and piston rod in piston cylinder, and external part is connected with front rod rotating shaft before piston rod, and front rod rotating shaft is located in the elongate holes of base side.
Description
Technical field
The present invention relates to a kind of automobile engine hood hinge mechanism and utilize guard method of the mechanism to pedestrian head.
Background technology
At present, the engine compartment cover of automobile is usually mounted with single-axis hinge mechanism, connecting rod link etc., is only capable of realizing engine
The hinge function that hatchcover opens and closes.With research of the automotive crash safety to pedestrian protecting, sent out in pedestrian and automobile front
The head of pedestrian can hit the postmedian of engine compartment cover during raw collision, and pedestrian head is damaged.To enter to pedestrian head
Row effectively protection, it is desirable to which before pedestrian head and engine compartment cover collision, vehicle engine hatch cover can lift certain altitude.
In pedestrian head and engine compartment cover collision process, vehicle engine hatch cover can fall after rise.So as to send out pedestrian head and automobile
Cushioning effect is played in the collision of motivation hatchcover, to meet requirement that automobile is protected to pedestrian head.
The content of the invention
It is an object of the invention to provide a kind of automobile engine hood hinge mechanism and using the mechanism to pedestrian head
Guard method, there is the hinge function that vehicle engine hatch cover opens and closes；Meanwhile collided in pedestrian and automobile front
When, engine compartment cover can be made to lift and fall after rise, so as to be protected to pedestrian head.
The technical scheme is that：
A kind of automobile engine hood hinge mechanism, including quadric chain and lifting mechanism are formed, and it is characterized in that：
The quadric chain includes hair lid connecting plate, long push rod, short support bar, base, back link rotating shaft, front rod rotating shaft, U-shaped bullet
Spring, jump ring, the hair lid connecting plate are connected with vehicle engine hatch cover, and base is connected with automobile engine nacelle side girders, short branch
One end of strut and long push rod is hinged with hair lid connecting plate respectively, and the other end of the short support bar passes through back link rotating shaft and U
The skewed slot end of shape spring and base is fixed, and the other end of long push rod passes through front rod rotating shaft and the horizontal strip hole of jump ring and base
End is fixed；The lifting mechanism includes generator body, piston cylinder, and gas generator is set in piston cylinder and is occurred by gas
The piston rod that device drives, external part is corresponding with back link rotating shaft position after the piston rod and passes through shear pin and generator shell
Body is fixed, and the preceding external part of the piston rod is connected with front rod rotating shaft, and front rod rotating shaft is located at the elongate holes of base side
It is interior；So as to realize vehicle engine hatch cover open, the quadric chain of closing function.
Further preferably, external part is sleeved on front rod rotating shaft by the connection ring being fixed thereon before the piston rod
On, the rear external part that the piston rod is corresponded on the base is fixed by the shear pin being arranged on below, and after piston rod
It is oblique cross section that external part, which corresponds to back link rotating shaft position,.
Further preferably, back link rotating shaft and front rod the rotating shaft shaft end is respectively equipped with outer stomidium, and U-shaped spring one end is inserted
Outside back link rotating shaft in stomidium, the other end of U-shaped spring hangs over base lower edge, back link rotating shaft is fixed on the oblique of base
Groove end；One end of the jump ring is inserted in the outer stomidium of front rod rotating shaft, the jump ring other end is snapped on the side plate of base, completion pair
The fixation of front rod rotating shaft.
Further preferably, the generator body of the lifting mechanism and the base of quadric chain are bolted solid
It is fixed, it is bolted fixation between the piston rod front end of the lifting mechanism and connection ring.
Further preferably, sealing ring one is installed on the piston cylinder in generator body, on the piston of piston rod
Sealing ring two is installed, plays a part of preventing the piston cylinder internal gas effusion of device housing.
Further preferably, gas generator is fixed on generator body by generator nut.
Using guard method of the automobile engine hood hinge mechanism to pedestrian head, it is characterized in that：
1st, using the automobile engine hood hinge mechanism being made up of quadric chain and lifting mechanism, quadric chain
Hair lid connecting plate is connected with vehicle engine hatch cover, and the base of quadric chain is connected with automobile engine nacelle side girders, is realized
Common hinge function when vehicle engine hatch cover is opened, closed；
2nd, when needing vehicle engine hatch cover rear portion that there is lifting and the pedestrian head defencive function fallen after rise, by lifting machine
Structure is installed on quadric chain, by putting the generator of quick-fried lifting mechanism when head-on crash occurs with pedestrian, promotes lifting machine
Structure and quadric chain linkage, enable vehicle engine hatch cover rear portion to lift and fall after rise, realize the protection to pedestrian head.
Further, when vehicle engine hatch cover is opened and is closed, vehicle engine hatch cover drives hair lid connecting plate, Chang Ding
Bar and the motion of short support bar, preceding connection rotating shaft and rear connection rotating shaft are motionless, and hair lid connecting plate, long push rod, short support bar one start shipment
It is dynamic, double leval jib motion is formed, lifting mechanism is not involved in moving.
Further, when pedestrian and automobile front collide, the generator point of the lifting mechanism is quick-fried, and gas enters hair
In the piston cylinder of raw device housing, the piston of piston rod is promoted to do horizontal rectilinear motion backward, piston rod rear end is moving backward
During shear pin is cut off, after the slope driving of piston rod rear end connection rotating shaft release U-shaped spring constraint will after connection turn
Axle releases the skewed slot of base, and rear connection rotating shaft drives short support bar to promote hair lid connecting plate and vehicle engine hatch cover lifting；
It is preceding meanwhile connection rotating shaft releases the constraint of jump ring before the front end pulling of piston rod, is slided backward in the horizontal strip hole of base
Connection rotating shaft, which slides backward, drives long push rod to be swung between base and hair lid connecting plate, promotes vehicle engine hatch cover rear portion to lift
Rise 70mm-100mm.Realize the function of enging cabin postoperculum lifting.
Further, after vehicle engine hatch cover lifting, when pedestrian head and vehicle engine hatch cover collision, automobile hair
Motivation hatchcover stress falls after rise, and hair lid connecting plate promotes long push rod backswing.Meanwhile front rod rotating shaft is promoted in the horizontal strip of base
Travelled forward in hole, drive piston rod to do return motion forward；Fallen after rise in vehicle engine hatch cover and piston rod replys forward fortune
During dynamic, to piston rod, return motion and engine compartment cover fall after rise the piston cylinder internal residual gas of generator body forward
To damping action, so as to realize the cushioning effect to pedestrian head and vehicle engine hatch cover collision, reach automobile to pedestrian's head
The requirement of portion's protection.
Further, after pedestrian and car collision, the lifting of vehicle engine hatch cover rear portion, lifting mechanism can be torn open
Remove or manual reset.Then, it is lower to press enging cabin postoperculum, rear connection rotating shaft is pressed into the skewed slot of base, hangs up U-shaped bullet
Spring, recover the quadric chain of automobile engine hood hinge mechanism, enable engine compartment cover normally-open and close, not shadow
Automobile normal running is rung to be repaired to 4S shops.
The beneficial effects of the invention are as follows：
When pedestrian and automobile front collide, generator detonation, automobile engine hood hinge mechanism of the invention
Engine compartment cover can be lifted, buffer protection function is played to the head and engine compartment cover collision of pedestrian.Meanwhile the present invention
Automobile engine hood hinge mechanism have engine compartment cover it is normally-open and closure hinge function.Sent out in pedestrian and automobile
After raw collision, engine compartment cover lifting, engine compartment cover manual reset can be carried out, recovers what engine compartment cover opened and closed
Normal function.Automobile normal running is not influenceed to be repaired to 4S shops.The present invention is simple in construction, is easily installed, is pedestrian protecting
Provide a brand-new design.
Brief description of the drawings
When Fig. 1 is that vehicle engine hatch cover is closed, traditional single-axis hinge structural scheme of mechanism；
When Fig. 2 is that vehicle engine hatch cover is opened, traditional single-axis hinge structural scheme of mechanism；
When Fig. 3 is that vehicle engine hatch cover is closed, engine compartment cover linkage schematic diagram of the invention；
When Fig. 4 is that vehicle engine hatch cover is opened, engine compartment cover linkage schematic diagram of the invention；
When Fig. 5 is that vehicle engine hatch cover lifts and pedestrian head is protected, enging cabin cover hinge of the invention
Structural scheme of mechanism；
Fig. 6 is the quadric chain schematic diagram of inventive engine deck lid hinge mechanism；
Fig. 7 is the lifting mechanism block diagram of inventive engine deck lid hinge mechanism；
Fig. 8 is lifting mechanism of the present invention and the engine compartment cover linkage schematic diagram after quadric chain assembling；
Fig. 9 is Fig. 8 longitudinal sectional drawings；
Figure 10 is Fig. 3 A-A sectional views；
Figure 11 is Figure 10 B-B sectional views；
Figure 12 be the present invention engine compartment cover linkage after generator point is quick-fried, engine compartment cover lifting state when
Longitudinal sectional drawing；
Figure 13 is Fig. 4 C-C sectional views；
Figure 14 is Fig. 4 D-D sectional views.
Shown in figure：1. automobile engine nacelle side girders, 2. vehicle engine hatch covers, 3. automobile tradition single-axis hinges, 4.
Engine compartment cover linkage, 6. pedestrian heads (head dummy thing), the 5A. inventive engine hatchcovers of automotive windshield, 5. present invention
The quadric chain of linkage, the lifting mechanism of 5B. inventive engine deck lid hinges mechanism, 5A01. hairs lid connecting plate,
The long push rods of 5A02., the short support bars of 5A03., 5A04. bases, the rotating shaft of 5A05 back links, the rotating shaft of 5A06. front rods, 5A07.U shape bullets
Spring, 5A08. jump rings, the 5A10. rivet shafts two of 5A09. rivet shafts one, 5B01. generator bodies, 5B02. piston rods, 5B03. sealings
Circle one, 5B04. sealing rings two, 5B05. generators, 5B06. generators nut, 5B07. connections ring flat-plate, 5B08. shear pins,
After 5B09.M3 bolts, 5B10.M5 bolts, the piston cylinder of 5B01a. generator bodies, the piston of 5B02a. piston rods, piston rod
The inclined-plane 5B02b at end.
Embodiment
As shown in Fig. 6, Fig. 7, Fig. 8, a kind of automobile engine hood hinge mechanism 5, by quadric chain 5A and lifting machine
Structure 5B two parts form.As shown in Figure 3, Figure 4.There is lifting and the pedestrian's head fallen after rise when needing the rear portion of vehicle engine hatch cover 2
During portion's defencive function, lifting mechanism 5B is installed on quadric chain 5A, by putting quick-fried lifting mechanism 5B generator 5B05,
Lifting mechanism 5B and quadric chain 5A linkages are promoted, the rear portion of vehicle engine hatch cover 2 is lifted and is fallen after rise, realizes to row
The protection of head part 6, as shown in Figure 5, Figure 8.
As shown in Fig. 6, Figure 13, Figure 14, a kind of quadric chain 5A of automobile engine hood hinge mechanism 5 includes：Hair
Lid connecting plate 5A01, long push rod 5A02, short support bar 5A03, base 5A04, back link rotating shaft 5A05, front rod rotating shaft 5A06, U
Shape spring 5A07, jump ring 5A08, the 5A09 of rivet shaft 1, rivet shaft 2 5A10, the back link rotating shaft 5A05 and front rod rotating shaft
5A06 shaft ends are respectively equipped with outer stomidium, and short support bar 5A03 and long push rod 5A02 one end pass through the 5A09 of rivet shaft one and riveting respectively
Nail the 5A10 of axle two with send out lid connecting plate 5A01 be hinged, short support bar the 5A03 other end and back link rotating shaft 5A05 are hinged, after connect
The outer stomidium interpolation dress U-shaped spring 5A07 of bar rotating shaft 5A05, the U-shaped spring 5A07 other end hangs over base 5A04 lower edges, after making
Connecting rod rotating shaft 5A05 is fixed on base 5A04 skewed slot end, the long push rod 5A02 other end and the horizontal strip positioned at base 5A04
Front rod rotating shaft 5A06 in hole is hinged, and one end of the jump ring 5A08 is inserted in the outer stomidium of front rod rotating shaft, jump ring 5A08
The other end is snapped on base 5A04 side plate, completes the fixation to front rod rotating shaft 5A06；Its assembling mode is：By short support bar
5A03 and long push rod 5A02 one end are connected by the 5A09 of the rivet shaft 1 and 5A10 of rivet shaft 2 with hair lid connecting plate 5A01 respectively,
The short support bar 5A03 other end is fixed by back link rotating shaft 5A05 and U-shaped spring 5A07 and base 5A04 skewed slot end,
The long push rod 5A02 other end is fixed by front rod rotating shaft 5A06 and jump ring 5A08 and base 5A04 horizontal strip nose end, complete
Into quadric chain 5A assembling.Quadric chain 5A is connected with vehicle engine hatch cover 2 and automobile engine nacelle side girders 1
Afterwards, the hinge function that vehicle engine hatch cover 2 is opened, closed is realized, as shown in Figure 3, Figure 4.
As shown in Fig. 7, Fig. 9, a kind of lifting mechanism 5B of automobile engine hood hinge mechanism 5 includes：Generator body
5B01, piston rod 5B02, the 5B03 of sealing ring one, the 5B04 of sealing ring two, generator 5B05, generator nut 5B06, connection ring
5B07, shear pin 5B08, bolt 5B09, bolt 5B10, generator body 5B01 both sides set screw 5B11, generator 5B05 to lead to
Generator nut 5B06 is crossed fixed on generator body 5B01, the 5B03 of sealing ring one is mounted in generator body 5B01
Piston cylinder 5B01a on, the 5B04 of sealing ring two is installed on piston rod 5B02 piston 5B02a, sealing ring 15B03 and sealing ring
25B04 plays a part of preventing device housing 5B01 piston cylinder 5B01a internal gas effusion, and piston rod 5B02 is arranged on hair
In raw device housing 5B01 piston cylinder 5B01a, exit is fixed on generator body by shear pin 5B08 after piston rod 5B02
On 5B01, piston rod rear end is provided with inclined-plane 5B02b corresponding with back link rotating shaft 5A05.Its assembling mode is：By generator
5B05 is fixed on generator body 5B01 by generator nut 5B06, and the 5B03 of sealing ring one is installed into generator body
In 5B01 piston cylinder 5B01a, the 5B04 of sealing ring two is installed on piston rod 5B02 piston 5B02a, then by piston rod
5B02 is installed in generator body 5B01 piston cylinder 5B01a, with shear pin 5B08 by piston rod 5B02 rear ends and generator
Housing 5B01 is fixed.
As shown in Figure 8, Figure 9, the lifting mechanism 5B is mounted and fixed on quadric chain 5A.Its mounting means
It is：Lifting mechanism 5B generator body 5B01 is placed on quadric chain 5A base 5A04, screw is arranged on 4
Bolt 5B10 in 5B11 is connected.Preceding connection rotating shaft 5A06 is put with the connection ring of opening, with bolt 5B09 connections simultaneously
Fixed piston rod 5B02 front end and preceding connection rotating shaft 5A06.
As shown in Fig. 3, Fig. 4, Fig. 6, Fig. 8, the side that is protected using automobile engine hood hinge mechanism 5 to pedestrian
Method, its step are：
1st, quadric chain 5A hair lid connecting plate 5A01 and vehicle engine hatch cover 2 are connected by screw, double leval jib machine
Structure 5A base 5A04 automobile engine nacelles side girders 1 are connected by screw, when realizing that vehicle engine hatch cover 2 is opened, closed
Common hinge function；When vehicle engine hatch cover 2 is opened and closed, vehicle engine hatch cover 2 drives hair lid connecting plate
5A01, long push rod 5A02 and short support bar 5A03 motions.Preceding connection rotating shaft 5A06 and rear connection rotating shaft 5A05 are motionless, rivet shaft 1
The 5A09 and 5A10 of rivet shaft 2 is moved together with hair lid connecting plate 5A01, long push rod 5A02, short support bar 5A03, is formed four and is connected
Bar motion；Lifting mechanism 5B is not involved in moving.
2nd, when needing vehicle engine hatch cover rear portion that there is lifting and the pedestrian head defencive function fallen after rise, by lifting machine
Structure is installed on quadric chain, by putting the generator 5B05 of quick-fried lifting mechanism when head-on crash occurs with pedestrian, is promoted and is lifted
Mechanism and quadric chain linkage are risen, vehicle engine hatch cover rear portion is lifted and is fallen after rise, realizes the guarantor to pedestrian head
Shield.
As shown in Fig. 3, Fig. 5, Fig. 7, Figure 11, Figure 12, when pedestrian collides with automobile front, described car engine
Lifting mechanism 5B generator 5B05 points are quick-fried in cabin cover linkage 5, and gas enters generator body 5B01 piston cylinder
In 5B01a, piston rod 5B02 piston 5B02a is promoted to do horizontal rectilinear motion backward.Moving backward piston rod 5B02 rear ends
During shear pin 5B08 is cut off, the inclined-plane 5B02b of piston rod rear end promotes back link rotating shaft 5A05 to release U-shaped spring
Base 5A04 skewed slot is released rear connection rotating shaft 5A05 in 5A07 constraint.Connection rotating shaft 5A05 drives short support bar 5A03 to push away afterwards
Dynamic hair lid connecting plate 5A01 and vehicle engine hatch cover 2 are lifted.Meanwhile piston rod 5B02 front end pulls front rod rotating shaft
5A06 releases jump ring 5A08 constraint, is slided backward in base 5A04 horizontal strip hole, preceding connection rotating shaft 5A06 is slided backward
It is dynamic to drive long push rod 5A02 to be swung between base 5A04 and hair lid connecting plate 5A01, promote the rear portion of vehicle engine hatch cover 2 to lift
Rise 70mm-100mm.Realize the function of the rear portion of engine compartment cover 2 lifting.
As shown in Fig. 5, Figure 12, further, after the lifting of vehicle engine hatch cover 2, when pedestrian head 6 and automobile engine
When hatchcover 2 collides, the stress of vehicle engine hatch cover 2 falls after rise, and hair lid connecting plate 5A01 promotes long push rod 5A02 backswing.Meanwhile push away
Dynamic front rod rotating shaft 5A06 travels forward in base 5A04 horizontal strip hole, drives piston rod 5B02 to do reply fortune forward
It is dynamic.During the falling of vehicle engine hatch cover 2 and piston rod 5B02 forward return motion, the piston cylinder of generator body
To piston rod 5B02, damping action is played in return motion and the falling of engine compartment cover 2 to 5B01a internal residuals gas forward, so as to real
The cushioning effect now collided to pedestrian head 6 and vehicle engine hatch cover 2, reaches the requirement that automobile is protected to pedestrian head 6.
As shown in Fig. 3, Fig. 5, Figure 13, Figure 14, further, after pedestrian and car collision, vehicle engine hatch cover 2
After portion's lifting, lifting mechanism 5B can be removed or manual reset.Then, it is lower to press the rear portion of engine compartment cover 2, by rear connection rotating shaft
5A05 is pressed into base 5A04 skewed slot, hangs up U-shaped spring 5A07, recovers the double leval jib of automobile engine hood hinge mechanism 5
Mechanism 5A.Enable engine compartment cover 2 normally-open and close, do not influence automobile normal running and repaired to 4S shops.
The specific embodiment of the present invention is these are only, is not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of automobile engine hood hinge mechanism, including quadric chain and lifting mechanism are formed, it is characterized in that：Described four
Linkage includes hair lid connecting plate, long push rod, short support bar, base, back link rotating shaft, front rod rotating shaft, U-shaped spring, card
Spring, it is described hair lid connecting plate be connected with vehicle engine hatch cover, base is connected with automobile engine nacelle side girders, short support bar with
One end of long push rod is hinged with hair lid connecting plate respectively, and the other end of the short support bar passes through back link rotating shaft and U-shaped spring
Fixed with the skewed slot end of base, the other end of long push rod is consolidated by the horizontal strip nose end of front rod rotating shaft and jump ring and base
It is fixed；The lifting mechanism includes generator body, piston cylinder, gas generator is set in piston cylinder and by gas generator band
Dynamic piston rod, external part is corresponding with back link rotating shaft position after the piston rod and is consolidated by shear pin and generator body
Fixed, the preceding external part of the piston rod is connected with front rod rotating shaft, and front rod rotating shaft is located in the elongate holes of base side；From
And realize vehicle engine hatch cover unlatching, the quadric chain of closing function.
2. automobile engine hood hinge mechanism according to claim 1, it is characterized in that：External part leads to before the piston rod
Cross the connection ring being fixed thereon to be sleeved in front rod rotating shaft, the rear external part that the piston rod is corresponded on the base passes through
The shear pin being arranged on below is fixed, and it is oblique cross section that the rear external part of piston rod, which corresponds to back link rotating shaft position,.
3. automobile engine hood hinge mechanism according to claim 1, it is characterized in that：The back link rotating shaft, preceding company
Bar rotating shaft is provided with outer stomidium, and U-shaped spring one end is inserted in the outer stomidium of back link rotating shaft, and the other end of U-shaped spring is hung under base
Edge, back link rotating shaft is set to be fixed on the skewed slot end of base；One end of the jump ring is inserted in the outer stomidium of front rod rotating shaft, card
The spring other end is snapped on the side plate of base, completes the fixation to front rod rotating shaft.
4. automobile engine hood hinge mechanism according to claim 1, it is characterized in that：The generator of the lifting mechanism
The base of housing and quadric chain is bolted fixation, leads between the piston rod front end of the lifting mechanism and connection ring
Bolt connection is crossed to fix.
5. automobile engine hood hinge mechanism according to claim 1, it is characterized in that：In generator body
Sealing ring one is installed on piston cylinder, sealing ring two is installed on the piston of piston rod, plays the piston cylinder for preventing device housing
The effect of internal gas effusion.
6. automobile engine hood hinge mechanism according to claim 1, it is characterized in that：Gas generator passes through generator
Nut is fixed on generator body.
7. using guard method of the automobile engine hood hinge mechanism to pedestrian head, it is characterized in that：
1) the automobile engine hood hinge mechanism being made up of quadric chain and lifting mechanism, the hair of quadric chain, are utilized
Lid connecting plate is connected with vehicle engine hatch cover, and the base of quadric chain is connected with automobile engine nacelle side girders, realizes vapour
Common hinge function when car engine hatchcover is opened, closed；
2), when needing vehicle engine hatch cover rear portion that there is lifting and the pedestrian head defencive function fallen after rise, by lifting mechanism
It is installed on quadric chain, by putting the generator of quick-fried lifting mechanism when head-on crash occurs with pedestrian, promotes lifting mechanism
Linked with quadric chain, vehicle engine hatch cover rear portion is lifted and is fallen after rise, realize the protection to pedestrian head；
3), after pedestrian and car collision, the lifting of vehicle engine hatch cover rear portion, lifting mechanism can be removed or artificial
Reset.Then, it is lower to press enging cabin postoperculum, rear connection rotating shaft is pressed into the skewed slot of base, hangs up U-shaped spring, recovers vapour
The quadric chain of car engine deck lid hinge mechanism, enable engine compartment cover normally-open and close, do not influenceing automobile just
Often 4S shops are driven to be repaired.
8. according to claim 7 using guard method of the automobile engine hood hinge mechanism to pedestrian head, it is special
Sign is：When vehicle engine hatch cover is opened and is closed, vehicle engine hatch cover drives hair lid connecting plate, long push rod and short support
Bar moves, and preceding connection rotating shaft and rear connection rotating shaft are motionless, and hair lid connecting plate, long push rod, short support bar move together, forms four and connects
Bar motion, lifting mechanism are not involved in moving.
9. according to claim 7 using guard method of the automobile engine hood hinge mechanism to pedestrian head, it is special
Sign is：When pedestrian and automobile front collide, the generator point of the lifting mechanism is quick-fried, and gas enters generator body
In piston cylinder, the piston of piston rod is promoted to do horizontal rectilinear motion backward, piston rod rear end will be cut during moving backward
Pin cut-out is cut, connection rotating shaft releases the constraint of U-shaped spring and rear connection rotating shaft is released into base after the slope driving of piston rod rear end
Skewed slot, rear connection rotating shaft drives short support bar to promote hair lid connecting plate and vehicle engine hatch cover lifting；Meanwhile piston rod
Front end pull before connection rotating shaft release jump ring constraint, slided backward in the horizontal strip hole of base, preceding connection rotating shaft to
Slide afterwards and drive long push rod to be swung between base and hair lid connecting plate, promote vehicle engine hatch cover rear portion lifting 70mm-
100mm.Realize the function of enging cabin postoperculum lifting.
10. according to claim 7 using guard method of the automobile engine hood hinge mechanism to pedestrian head, it is special
Sign is：After vehicle engine hatch cover lifting, when pedestrian head and vehicle engine hatch cover collide, vehicle engine hatch cover by
Power falls after rise, and hair lid connecting plate promotes long push rod backswing.Meanwhile front rod rotating shaft is promoted to be transported forward in the horizontal strip hole of base
It is dynamic, drive piston rod to do return motion forward；Fall after rise with during piston rod forward return motion, send out in vehicle engine hatch cover
To piston rod, damping action is played in return motion and engine compartment cover falling to the piston cylinder internal residual gas of raw device housing forward,
So as to realize the cushioning effect to pedestrian head and vehicle engine hatch cover collision, reach automobile and pedestrian head protection is wanted
Ask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711036495.3A CN107878571B (en) | 2017-10-30 | 2017-10-30 | Hinge mechanism of automobile engine compartment cover and method for protecting head of pedestrian by using hinge mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711036495.3A CN107878571B (en) | 2017-10-30 | 2017-10-30 | Hinge mechanism of automobile engine compartment cover and method for protecting head of pedestrian by using hinge mechanism |
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| Publication Number | Publication Date |
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| CN107878571A true CN107878571A (en) | 2018-04-06 |
| CN107878571B CN107878571B (en) | 2021-03-02 |
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| CN201711036495.3A Active CN107878571B (en) | 2017-10-30 | 2017-10-30 | Hinge mechanism of automobile engine compartment cover and method for protecting head of pedestrian by using hinge mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113428240A (en) * | 2021-07-09 | 2021-09-24 | 上汽大众汽车有限公司 | Active vehicle front cover system and vehicle |
| CN113442866A (en) * | 2020-03-26 | 2021-09-28 | 本田技研工业株式会社 | Vehicle latch device |
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| JP2003182511A (en) * | 2001-12-25 | 2003-07-03 | Aisin Seiki Co Ltd | Vehicle hood flip-up device and its control method |
| CN101198511B (en) * | 2005-09-09 | 2011-02-09 | 穆尔蒂马蒂奇公司 | Pedestrian protection automotive hood hinge assembly |
| CN106794818A (en) * | 2014-09-05 | 2017-05-31 | 捷豹路虎有限公司 | Hood shift mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113442866A (en) * | 2020-03-26 | 2021-09-28 | 本田技研工业株式会社 | Vehicle latch device |
| CN113428240A (en) * | 2021-07-09 | 2021-09-24 | 上汽大众汽车有限公司 | Active vehicle front cover system and vehicle |
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