CN109252772A - A kind of five bar hinge mechanisms of active pedestrian protecting bonnet - Google Patents
A kind of five bar hinge mechanisms of active pedestrian protecting bonnet Download PDFInfo
- Publication number
- CN109252772A CN109252772A CN201811346770.6A CN201811346770A CN109252772A CN 109252772 A CN109252772 A CN 109252772A CN 201811346770 A CN201811346770 A CN 201811346770A CN 109252772 A CN109252772 A CN 109252772A
- Authority
- CN
- China
- Prior art keywords
- support
- bonnet
- pedestrian protecting
- hinged
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/38—Protecting non-occupants of a vehicle, e.g. pedestrians using means for lifting bonnets
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
The invention belongs to technical field of automobile accessories, disclose a kind of five bar hinge mechanisms of active pedestrian protecting bonnet, include pedestal, first support, second support, hinge bodies, engine cover connecting rod and lock piece；First support one end is hinged on pedestal, and the other end of first support is hinged in hinge bodies；Second support one end is hinged on pedestal, and the other end of second support is hinged in hinge bodies；First support, second support and hinge bodies form four-bar mechanism；The first locking hole is offered in hinge bodies；Engine cover connecting rod is hinged in hinge bodies, and lock piece is by bonnet link lever locking in the first locking hole.It is an advantage of the current invention that the stable structure of five bar hinge mechanisms of this active pedestrian protecting bonnet, highly-safe.
Description
Technical field
The present invention relates to a kind of five connecting rods of technical field of automobile parts more particularly to active pedestrian protecting bonnet hinges
Chain structure.
Background technique
With pedestrian protecting regulation will enforce and 2018CNCAP increase pedestrian protecting as evaluation criterion, thus
It has pushed pedestrian protecting technology more and more common, has mainly passed through currently for regional area or the design of the pedestrian protecting of partial points
Vehicle body energy-absorbing material application, bonnet local weakness, moulding prominent features line, crushing type support Design etc..From moulding, wind
Resistance and downward view require not forcing down bonnet height, and have the fixed road clearance to require enging cabin arrangement, this is just
Several big contradictions of arrangement and regulation are caused, simply want to much can not meet requirement by local weakness design.To realize
Higher pedestrian head collision performance need to use a kind of active pedestrian protecting Hinge of Engine Hood system, it is ensured that in normal shape
Under state, bonnet can be designed very low, and in collision, active hinged system can actively lift bonnet, to increase energy-absorbing
Space reduces injury values, meets pedestrian protecting regulation and CNCAP requirement.
Main status is in industry at present, application of the domestic car temporarily without active pedestrian protecting front cover hinged system, imported car
With joint vehicle for active pedestrian protecting Hinge of Engine Hood systematic difference mostly rely on European supplier technology and specially
Benefit.As the receipts of Chinese pedestrian protecting regulation are tight, domestic car and the joint vehicle of low and middle-end are for active pedestrian protecting Hinge of Engine Hood
The demand of system is continuously increased, and the system for needing independent development competitive carrys out meet demand.
In order to solve the deficiencies in the prior art, need to design a kind of stable structure, highly-safe active pedestrian protecting draws
Hold up five bar hinge mechanisms of lid.
Summary of the invention
It is an object of the present invention to be directed to the above-mentioned deficiency of the prior art, a kind of stable structure, highly-safe master are proposed
Five bar hinge mechanisms and a kind of active pedestrian protecting bonnet of dynamic pedestrian protecting bonnet.
The technical solution used to solve the technical problems of the present invention is that proposing a kind of five companies of active pedestrian protecting bonnet
Bar hinge arrangement, which is characterized in that include: pedestal, first support, second support, hinge bodies, engine cover connecting rod and locking
Part；
Described first support one end is hinged on pedestal, and the other end of first support is hinged in hinge bodies；Described
Two bracket one end are hinged on pedestal, and the other end of second support is hinged in hinge bodies；The pedestal, first support,
Two brackets and hinge bodies form four-bar mechanism；The first locking hole is offered in the hinge bodies；
The engine cover connecting rod is hinged in hinge bodies, and the lock piece is by bonnet link lever locking in the first locking hole
In.
In a kind of five bar hinge mechanisms of above-mentioned active pedestrian protecting bonnet, the engine cover connecting rod includes
Mounting plate offers the second locking hole on mounting plate, and is provided with a boss near the second locking hole, the lock piece installation
In the first locking hole and the second locking hole；
One edge of mounting plate is turned over downwards to form side plate, and side plate extends an ear down, opens up in the ear
There is limiting slot.
In a kind of five bar hinge mechanisms of above-mentioned active pedestrian protecting bonnet, the limiting slot is kidney slot,
The kidney slot border is inwardly protruding, and kidney slot has two arc-shaped side walls.
It further include spacer pin in a kind of five bar hinge mechanisms of above-mentioned active pedestrian protecting bonnet, the limit
Position pin is mounted in hinge bodies across the limiting slot, and the limiting slot and spacer pin are for limiting the rotation of engine cover connecting rod
Angle.
In a kind of five bar hinge mechanisms of above-mentioned active pedestrian protecting bonnet, the hinge bodies include connection
Plate, the connecting plate are bent to form a plurality of reinforcing rib along its width direction；The edge of the connecting plate turns down along its length
Gusset is formed, first locking hole is on gusset.
In a kind of five bar hinge mechanisms of above-mentioned active pedestrian protecting bonnet, the pedestal includes bottom plate, bottom
At least one through-hole is offered on plate；The bottom plate protrudes inwardly from the first convex block and the second convex block, the first support are hinged on
On first convex block, the second support is hinged on the second convex block.
In a kind of five bar hinge mechanisms of above-mentioned active pedestrian protecting bonnet, setting in the middle part of the first support
Have that kidney-shaped is raised, both ends bend inwards out limit plate in the width direction.
In a kind of five bar hinge mechanisms of above-mentioned active pedestrian protecting bonnet, the lock piece is connection riveting
Nail.
A kind of active pedestrian protecting bonnet includes bonnet, induction pieces and actuator, also sets up above-mentioned active row
Five bar hinge mechanisms of people's protection bonnet.
In a kind of above-mentioned active pedestrian protecting bonnet, the bonnet is connected on engine cover connecting rod, the drive
Moving part rotates bonnet for driving the engine cover connecting rod to rotate；The induction pieces are arranged on bonnet, and with
The actuator electrical connection, is opened for when pedestrian impact bonnet, controlling the actuator.
Compared with prior art, the invention has the following advantages:
In five bar hinge mechanisms of active pedestrian protecting bonnet of the invention, when pedestrian bumps against bonnet, five connect
Bar hinge arrangement drives bonnet reversely to open, and plays good buffer function to the head impact of pedestrian, increases buffer distance,
The injured degree of pedestrian is effectively reduced；And pedestal, first support, second support, engine cover connecting rod and hinge bodies, pass through reinforcement
Version of tendon and muscle flanges reinforce its intensity, keep five bar hinge mechanisms stabilization, security performance high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that five bar hinge mechanism forward directions of the invention are opened；
Fig. 2 is the structural schematic diagram that five bar hinge mechanisms of the invention are reversely opened；
Fig. 3 is the structural schematic diagram that five bar hinge mechanisms of the invention are not opened；
Fig. 4 is limiting slot and spacer pin scheme of installation；
Fig. 5 is the whole explosive view of five bar hinge mechanisms of the invention；
Fig. 6 is the structural schematic diagram of pedestal；
Fig. 7 is first support structural schematic diagram；
Fig. 8 is second support structural schematic diagram；
Fig. 9 is hinge bodies structural schematic diagram；
Figure 10 is bonnet link mechanism schematic diagram.
In figure, 1, pedestal；11, bottom plate；12, through-hole；13, the first convex block；14, the second convex block；2, first support；21, waist
Shape protrusion；22, limit plate；3, second support；31, limited block；4, hinge bodies；41, the first locking hole；42, connecting plate；43,
Reinforcing rib；44, gusset；5, engine cover connecting rod；51, mounting plate；52, the second locking hole；53, boss；54, side plate；55, ear；
56, limiting slot；561, side wall；6, lock piece；7, spacer pin.
Specific embodiment
Technical solution of the present invention is described in further detail below by conjunction with the drawings and specific embodiments, but this
Invention is not limited to these examples.
As Figure 1-10 shows, a kind of five bar hinge mechanisms of active pedestrian protecting bonnet include pedestal 1, first
Bracket 2, second support 3, hinge bodies 4, engine cover connecting rod 5, lock piece 6 and spacer pin 7.
2 one end of first support is hinged on pedestal 1, and the other end of first support 2 is hinged in hinge bodies 4；Second
3 one end of frame is hinged on pedestal 1, and the other end of second support 3 is hinged in hinge bodies 4；Pedestal 1, first support 2, second
Bracket 3 and hinge bodies 4 form four-bar mechanism；The first locking hole 41 is offered in hinge bodies 4；Engine cover connecting rod 5 is hinged on
In hinge bodies 4, engine cover connecting rod 5 is locked in the first locking hole 41 by lock piece 6, and the lock piece 6 is connection rivet.
Engine cover connecting rod 5 includes mounting plate 51, the second locking hole 52 is offered on mounting plate 51, and in the second locking hole
52 are nearby provided with a boss 53, and lock piece 6 is mounted in the first locking hole 41 and the second locking hole 52；51 1 edge of mounting plate
It is turned over downwards to form side plate 54, side plate 54 extends an ear 55 down, offers limiting slot 56 in ear 55.Limiting slot 56 is
Kidney slot, kidney slot border is inwardly protruding, and kidney slot has two arc-shaped side walls 561, when engine cover connecting rod 5 rotates, waist
The side wall 561 of two arcs of shape slot will not interfere with spacer pin 7, make 5 smooth rotation of engine cover connecting rod.Spacer pin 7 passes through limiting slot
56 are mounted in hinge bodies 4,7 collective effect of limiting slot 56 and spacer pin, for limiting the rotational angle of engine cover connecting rod 5.
Hinge bodies 4 include connecting plate 42, and connecting plate 42 is bent to form a plurality of reinforcing rib 43 along its width direction；Connecting plate
42 edge turns down along its length forms gusset 44, and the first locking hole 41 is on gusset 44；It the reinforcing rib 43 and turns over
Rolling over the gusset 44 formed has good intensity to hinge bodies 4, improves the effect of stress-bearing capability.Pedestal 1 includes bottom plate 11, bottom
At least one through-hole 12 is offered on plate 11, for pedestal 1 to be fixed on vehicle body；Bottom plate 11 protrudes inwardly from 13 He of the first convex block
Second convex block 14, first support 2 are hinged on the first convex block 13, and second support 3 is hinged on the second convex block 14.It is convex to be arranged first
Block 13 and the second convex block 14 are advantageous in that, have both facilitated pin that first support 2 and second support 3 are hinged on pedestal 1,
One bracket 2 and second support 3 do not interfere vehicle body when rotating；When can guarantee that bottom plate 1 is mounted on vehicle body again, it is close to vehicle body；It can also
Reinforce the intensity of pedestal 1 itself.Kidney-shaped protrusion 21 is provided in the middle part of first support 2, both ends are inwardly curved in the width direction
Fold limit plate 22；Kidney-shaped protrusion is also provided in the middle part of second support 3, one end close to hinge bodies 4 is formed along its width direction
Limited block 31, second support 3 improve its support strength to far from 2 lateral bend of first support.
Preferably, pedestal 1 improves self-strength by the first convex block 13 and the second convex block 14；Kidney-shaped is arranged in first support 2
Protrusion 21 plus itself intensity；The stringcourse protrusion at 3 middle part of second support reinforces self-strength；Engine cover connecting rod 5 passes through side plate 54
Reinforce intensity；Hinge bodies 6 reinforce intensity by reinforcing rib 43 and gusset 44, make that five bar hinge mechanisms are integrally more stable, peace
Full performance is high.
A kind of active pedestrian protecting bonnet includes five connecting rod articulated structures of the invention, further includes induction pieces, driving
Part and bonnet；During the installation process, multiple square holes are offered on engine cover connecting rod 5, bonnet is connected to by fixing piece to be drawn
It holds up on cover connecting rod 5；At least one through-hole 12 is offered on the pedestal 1 of five connecting rod articulated structures, bolt passes through through-hole 12 for five
Connecting rod articulated structure and bonnet are fixed on vehicle body.Actuator revolves bonnet for driving engine cover connecting rod 5 to rotate
Turn, specifically, actuator is by driving force continuous action on the boss 53 of engine cover connecting rod 5；Induction pieces are electrically connected with actuator,
For when pedestrian impact bonnet, induction pieces control actuator unlatching when actuator drives engine cover connecting rod 5, will can first to lock
The unlock of stop member 6 destroys, then rotates engine cover connecting rod 5, and bonnet is driven reversely to open.The induction pieces are sensor, peace
On the front bumper of automobile, when vehicle front bumper bumps against pedestrian lower leg, signal is transmitted to the control of automobile by sensor
Module, output signal open actuator.
In the course of work, since pedestal 1, first support 2, second support 3 and hinge bodies 4 form four-bar mechanism, when just
When normally open bonnet, under the action of first support 2, second support 3 and hinge bodies 4, bonnet is opened from forward direction, and first
Limit plate 22 on bracket 2 is resisted against the lower section of hinge bodies 4；At this point, since engine cover connecting rod 5 is locked at hinge by connection rivet
On chain ontology 4, so engine cover connecting rod 5 is stationary state relative to hinge bodies 4.When vehicle front bumper bumps against pedestrian lower leg
When, signal is transmitted to the control module of automobile by induction pieces, and output signal opens actuator, and actuator is by driving force continuous action
On the boss 53 of engine cover connecting rod 5, driving force makes rapidly connection rivet unlock or destroy, then rotates engine cover connecting rod 5, band
Dynamic bonnet is reversely opened, and until spacer pin 7 reaches the extreme lower position of limiting slot 56, bonnet reaches direction and opens maximum angular
Degree, plays good buffer function to the head impact of pedestrian, increases buffer distance, the injured degree of pedestrian is effectively reduced.
Specific embodiments are merely illustrative of the spirit of the present invention described in text.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner,
However, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of five bar hinge mechanisms of active pedestrian protecting bonnet, which is characterized in that include pedestal, first support,
Second support, hinge bodies, engine cover connecting rod and lock piece；
Described first support one end is hinged on pedestal, and the other end of first support is hinged in hinge bodies；Described second
Frame one end is hinged on pedestal, and the other end of second support is hinged in hinge bodies；The pedestal, first support, second
Frame and hinge bodies form four-bar mechanism；The first locking hole is offered in the hinge bodies；
The engine cover connecting rod is hinged in hinge bodies, and the lock piece is by bonnet link lever locking in the first locking hole.
2. a kind of five bar hinge mechanisms of active pedestrian protecting bonnet according to claim 1, which is characterized in that institute
Stating engine cover connecting rod includes mounting plate, the second locking hole is offered on mounting plate, and be provided with one near the second locking hole
Boss, the lock piece are mounted in the first locking hole and the second locking hole；
One edge of mounting plate is turned over downwards to form side plate, and side plate extends an ear down, opens up in the ear limited
Position slot.
3. a kind of five bar hinge mechanisms of active pedestrian protecting bonnet according to claim 2, which is characterized in that institute
Stating limiting slot is kidney slot, and the kidney slot border is inwardly protruding, and kidney slot has two arc-shaped side walls.
4. a kind of five bar hinge mechanisms of active pedestrian protecting bonnet according to claim 3, which is characterized in that also
Including spacer pin, the spacer pin passes through the limiting slot and is mounted in hinge bodies, and the limiting slot and spacer pin are for limiting
The rotational angle of engine cover connecting rod processed.
5. a kind of five bar hinge mechanisms of active pedestrian protecting bonnet according to claim 1, which is characterized in that institute
Stating hinge bodies includes connecting plate, and the connecting plate is bent to form a plurality of reinforcing rib along its width direction；The side of the connecting plate
Edge turns down form gusset along its length, and first locking hole is on gusset.
6. a kind of five bar hinge mechanisms of active pedestrian protecting bonnet according to claim 1, which is characterized in that institute
Stating pedestal includes bottom plate, at least one through-hole is offered on bottom plate；The bottom plate protrudes inwardly from the first convex block and the second convex block, institute
It states first support to be hinged on the first convex block, the second support is hinged on the second convex block.
7. a kind of five bar hinge mechanisms of active pedestrian protecting bonnet according to claim 1, which is characterized in that institute
It states and is provided with kidney-shaped protrusion in the middle part of first support, both ends bend inwards out limit plate in the width direction.
8. a kind of five bar hinge mechanisms of active pedestrian protecting bonnet according to claim 2, which is characterized in that institute
Stating lock piece is connection rivet.
9. a kind of active pedestrian protecting bonnet includes bonnet, induction pieces and actuator, which is characterized in that setting just like
Five bar hinge mechanisms of active pedestrian protecting bonnet described in claim 1-8 any one.
10. a kind of active pedestrian protecting bonnet according to claim 9, which is characterized in that the bonnet is connected to
On engine cover connecting rod, the actuator rotates bonnet for driving the engine cover connecting rod to rotate；The induction pieces
It is electrically connected with the actuator, is opened for when pedestrian impact bonnet, controlling the actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346770.6A CN109252772A (en) | 2018-11-13 | 2018-11-13 | A kind of five bar hinge mechanisms of active pedestrian protecting bonnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346770.6A CN109252772A (en) | 2018-11-13 | 2018-11-13 | A kind of five bar hinge mechanisms of active pedestrian protecting bonnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109252772A true CN109252772A (en) | 2019-01-22 |
Family
ID=65043618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811346770.6A Pending CN109252772A (en) | 2018-11-13 | 2018-11-13 | A kind of five bar hinge mechanisms of active pedestrian protecting bonnet |
Country Status (1)
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| CN (1) | CN109252772A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481484A (en) * | 2019-08-12 | 2019-11-22 | 重庆长安汽车股份有限公司 | A kind of hood lock construction and vehicle conducive to pedestrian protecting |
| CN111674349A (en) * | 2020-05-12 | 2020-09-18 | 宁波吉利汽车研究开发有限公司 | Four-connecting-rod hinge structure beneficial to protecting head of pedestrian |
| CN114150957A (en) * | 2020-09-07 | 2022-03-08 | 本田技研工业株式会社 | Hinge structure of engine hood |
| US11370386B2 (en) * | 2018-11-01 | 2022-06-28 | Hyundai Motor Company | ADAS-linked active hood apparatus for always-on operation |
| CN114856342A (en) * | 2022-04-12 | 2022-08-05 | 中国第一汽车股份有限公司 | Initiative hinge structure of initiative bounce-up type aircraft bonnet system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11370386B2 (en) * | 2018-11-01 | 2022-06-28 | Hyundai Motor Company | ADAS-linked active hood apparatus for always-on operation |
| CN110481484A (en) * | 2019-08-12 | 2019-11-22 | 重庆长安汽车股份有限公司 | A kind of hood lock construction and vehicle conducive to pedestrian protecting |
| CN111674349A (en) * | 2020-05-12 | 2020-09-18 | 宁波吉利汽车研究开发有限公司 | Four-connecting-rod hinge structure beneficial to protecting head of pedestrian |
| CN111674349B (en) * | 2020-05-12 | 2022-09-02 | 吉利亚欧(宁波梅山保税港区)科技有限公司 | Four-connecting-rod hinge structure beneficial to protecting head of pedestrian |
| CN114150957A (en) * | 2020-09-07 | 2022-03-08 | 本田技研工业株式会社 | Hinge structure of engine hood |
| CN114150957B (en) * | 2020-09-07 | 2023-10-13 | 本田技研工业株式会社 | Engine hood hinge structure |
| CN114856342A (en) * | 2022-04-12 | 2022-08-05 | 中国第一汽车股份有限公司 | Initiative hinge structure of initiative bounce-up type aircraft bonnet system |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Shifeng Inventor before: Lin Zhonglu Inventor before: Xu Linsen Inventor before: Liang Shifeng Inventor before: Wang Chengkai Inventor before: Xu Lu |
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| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190122 |
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| RJ01 | Rejection of invention patent application after publication |