CN203669577U - Active hinge mechanism - Google Patents
Active hinge mechanism Download PDFInfo
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- CN203669577U CN203669577U CN201320774269.6U CN201320774269U CN203669577U CN 203669577 U CN203669577 U CN 203669577U CN 201320774269 U CN201320774269 U CN 201320774269U CN 203669577 U CN203669577 U CN 203669577U
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- hinge
- connecting rod
- linkage
- upper connecting
- lower link
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Abstract
The utility model relates to an automobile engine hood, in particular to an active hinge mechanism used for the automobile engine hood. The active hinge mechanism comprises a hinge arm, a hinge base and a control system. The hinge base comprises a connecting rod mechanism and elastic pieces arranged on the connecting rod mechanism, the upper portion of the connecting rod mechanism is connected with the hinge arm through a hinge, and the lower portion of the connecting rod mechanism is connected with an automobile body through a hinge. The connecting rod mechanism is connected with the control system. In a normal state, the connecting rod mechanism is in a locking state, and the elastic pieces are in a compression state; when an automobile collides with a pedestrian, the control system relieves the locking state of the connecting rod mechanism, and the elastic pieces drive the hinge arm to move upwards. By means of the active hinge mechanism, when the automobile collides with the pedestrian, the rear portion of the engine hood is lifted up, the transformation space of the engine hood can be effectively increased, due to the arrangement of the elastic pieces, large energy absorption buffer space is achieved, and accordingly head injury of the pedestrian can be effectively lightened.
Description
Technical field
The utility model relates to automotive hood, relates in particular to the active linkage of one for automotive hood.
Background technology
Along with progress and the socioeconomic development of technology, automobile becomes the important tool of people's living trip gradually, and a large amount of automobiles enter family life, become the irreplaceable consumer goods of people.Increasing of automobile, construction of traffic environment speed lags behind the speed that automobile increases, and adds people the not good of custom of driving, not the idea of abiding by the law not strong, this all inevitably causes the increase of traffic accident quantity.In Vehicular impact pedestrian's traffic accident, the pedestrian of outside vehicle, obviously in weak tendency, can be subject to comparatively serious injury conventionally.In recent years, national governments and automaker more and more pay attention to the pedestrian protecting performance of automobile, the degree that while generation to reduce traffic accident, pedestrian is hurt.Europe new car safe criticism association (Euro NCAP) has classified pedestrian protecting as new car appraisement system, and the safe criticism of the new car of China association (C-NCAP) also will add pedestrian protecting in new car appraisement system and go about 2015.Therefore, the pedestrian protecting performance of vehicle will directly have influence on the safe star of vehicle, improves pedestrian protective value very urgent.
In the past few years for the research that improves pedestrian protective value in actively carrying out; there are at present many pedestrian protecting technology to occur; vehicle obviously improves for the protective value of pedestrian's shank, and the pedestrian protecting shank of most of Euro NCAP vehicle can obtain the achievement of 6 points of full marks.But vehicle is not also very desirable for pedestrian head protective value, awaits further raising.Especially near hood of vehicle hinge, rigidity is large, and deformation space is little, very high to the injury of pedestrian head.
Mainly there is following defect in existing domestic and international mainly vehicle hood hinge mechanism:
(1) the hood hinge structure generally adopting now, hinge is made up of hinge seat and hinge arms, in order to guarantee hood stability, the thicker material of the general employing of hinge seat, rigidity is large, weakens hole although can have above, but DeGrain, in the time that pedestrian head clashes into, hinge seat is difficult to distortion, energy-absorbing insufficient space, and head injury value is large;
(2), for some deluxe carmodels, hood can be equipped with active linkage, but these active linkage complex structures, needs and jacking device are used in conjunction with, can not reuse, while being applied in existing vehicle, design and develop with proving period longer, increase cost.
In order to overcome the above problems, the utility model has done useful improvement.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide a kind of active linkage, can overcome near available engine cover linkage, in traffic accident, pedestrian head be injured to excessive problem, improves the protective value of automobile to pedestrian head.
(2) technical scheme
The utility model is achieved through the following technical solutions: a kind of active linkage, comprise hinge arms, hinge seat and control system, and described hinge seat comprises linkage and is arranged on the elastic component on this linkage; The top of described linkage and described hinge arms are connected through the hinge, and the bottom of this linkage and vehicle body chain connection; Described linkage is connected with described control system;
Under normal condition, described linkage is in lockup state, and described elastic component is in compressive state; In the time that pedestrian is arrived in vehicle collision, described control system is removed the lockup state of described linkage, and described elastic component drives described linkage upwards to lift by elastic restoring force, thereby drives described hinge arms to move upward.
Wherein, described control system comprises automobile electronic control unit, hinge releasing device and sensor; Described automobile electronic control unit is connected with described hinge releasing device and described sensor respectively.
Particularly, described linkage comprises connecting rod and lower link, and the upper end of described upper connecting rod lower end and lower link is hinged; The upper end of described upper connecting rod and described hinge arms are connected through the hinge, and the lower end of described lower link and vehicle body are connected through the hinge; Described upper connecting rod is provided with the linking arm stretching out, and the end of described linking arm is connected by dismountable bearing pin with described lower link; Described elastic component is arranged between described upper connecting rod and lower link; Described hinge releasing device is connected with described bearing pin.
Further, described upper connecting rod quantity is two, and the upper end of described two upper connecting rods is connected through the hinge; Described lower link quantity is two, and the lower end of described two lower links is connected through the hinge; Described upper connecting rod and lower link form the lanar four rod mechanism of rhombus.
Further again, between described upper connecting rod and lower link, connect by jointed shaft; Described elastic component is torsionspring, and described torsionspring is arranged on described jointed shaft, and a support arm of this torsionspring is fixedly connected on described upper connecting rod, and another support arm is fixedly connected on described lower link.
(3) beneficial effect
Compare with product with prior art, the utility model has the following advantages:
1, the active linkage that the utility model provides, only injures excessive problem to pedestrian head by improving hood hinge mechanism near effectively solving available engine cover hinge, has strengthened the protection to pedestrian; This active linkage has overcome the technical barrier of hood hinge installation place narrow space; At described active linkage in the time that vehicle and pedestrian bump, hood rear portion is lifted, can effectively increase the deformation space of hood, and there is larger energy-absorbing buffering space by the setting of elastic component, effectively alleviate pedestrian head injury.
2, the utility model is simple in structure, reusable, and cost is low.
Accompanying drawing explanation
Fig. 1 is the structure chart of hinge seat of the present utility model;
Fig. 2 is the block diagram of control system of the present utility model.
In accompanying drawing, the component list of each label representative is as follows:
1-hinge arms, 2-hinge seat, the upper connecting rod of 3-, 4-lower link, 5-linking arm, 6-bearing pin, 7-hinge axis, 8-torsionspring, 9-control system, 10-automobile electronic control unit, 11-sensor, 12-hinge releasing device.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is made a detailed explanation.
The present embodiment provides a kind of active linkage being arranged on hood, comprises hinge arms, hinge seat and control system, and described hinge seat comprises linkage and is arranged on the elastic component on this linkage; The top of described linkage and the rear end of described hinge arms are connected through the hinge, and the bottom of this linkage is connected with vehicle body; The front end of hinge arms is connected on the inner panel of hood.Described linkage is connected with described control system.
Under normal condition, the linkage of hinge seat is in lockup state, and described elastic component is in compressive state; In the time that pedestrian is arrived in vehicle collision, described control system is removed the lockup state of described linkage, described elastic component drives described linkage upwards to lift by the flexible drive power of himself, thereby drives described hinge arms to move upward, and lifts hood rear portion.After lift at hood rear portion, can increase the cushion space of pedestrian head and hood collision, while shock, described elastic component also can play good buffering energy-absorbing function simultaneously, reaches the effect that reduces pedestrian head injury.
Wherein, described control system comprises automobile electronic control unit, hinge releasing device and sensor; Described automobile electronic control unit (Electronic Control Unit, ECU) is connected with described sensor, and described ECU can control described hinge releasing device and remove the lockup state of described linkage.Whether sensor can use trigger sensor, bump for detection of vehicle.Particularly, described linkage comprises connecting rod and lower link, and the upper end of described upper connecting rod lower end and lower link is connected by jointed shaft; The upper end of described upper connecting rod and described hinge arms are connected through the hinge, and the lower end of described lower link and vehicle body are connected through the hinge; Described upper connecting rod is provided with the linking arm stretching out, and the end of described linking arm is connected by dismountable bearing pin with described lower link; Described elastic component is arranged between described upper connecting rod and lower link; Described hinge releasing device is connected with described bearing pin.In the present embodiment, hinge releasing device preferably adopts electromagnetic structure, by electromagnetic structure, bearing pin can be extracted from linkage.In the time that pedestrian is arrived in vehicle collision, ECU receives sensor and sends signal, after treatment, it is extracted bearing pin rapidly by hinge releasing device, elastic component in compressive state resets under self elastic restoring force effect, linkage upwards lifts under the effect of elastic component, drives hinge arms to move upward.
Further, between described upper connecting rod and lower link, connect by jointed shaft; Described elastic component is torsionspring, and described torsionspring is arranged on described jointed shaft, and a support arm of this torsionspring is fixedly connected on described upper connecting rod, and another support arm is fixedly connected on described lower link.Under normal condition, described torsionspring is in compressive state.
Wherein, in linkage, described upper connecting rod quantity is two, and the upper end of described two upper connecting rods is hinged accordingly; Described lower link quantity is two, and the lower end of described two lower links is hinged accordingly; Described upper and lower four connecting rods form the lanar four rod mechanism of rhombus.Each upper connecting rod is hinged with a lower link accordingly respectively.This lanar four rod mechanism is by the structure of upper connecting rod and lower link and the effect of torsionspring, and lifting hood quickly and effectively increases the distortion energy-absorbing effect of hood.
Embodiment mono-
This embodiment specifically provides a kind of active linkage being arranged on hood, as shown in Figure 1, described active linkage comprises hinge arms 1, hinge seat 2 and control system, hinge arms 1 is identical with common hinge arms, its front end is connected with bonnet inner panel by bolt, and rear end is connected with hinge seat 2 by hinged.Hinge seat 2 comprises that two upper connecting rods 3, two lower links 4, two torsionsprings 8 and 6, four connecting rods of two bearing pins are by the plane four-bar linkage structure of hinged composition rhombus.The linking arm 5 of a bending is respectively stretched out in two upper connecting rod 3 middle parts, and the end of linking arm 5 has pin shaft hole.Two lower link 4 structures are identical, and the centre position of each lower link respectively has pin shaft hole.Hinge seat 2 tops are connected with hinge arms 1 by hinge, and below is connected with vehicle body by hinge.Each upper connecting rod 3 connects by jointed shaft 7 with on the corresponding lower link 4 being connected; Torsionspring 7 is installed on jointed shaft 7.Two arms of each torsionspring 7 are fixedly connected with lower link 4 with adjacent upper connecting rod 3 respectively.Under hinge seat 2 normal conditions, torsionspring is in compressive state, and on upper connecting rod, 3 pin shaft hole is corresponding one by one with the pin shaft hole on lower link 4, and bearing pin 6 is inserted in pin shaft hole, the now relative locking of the linkage of hinge seat, and hood is in closure state.
As shown in Figure 2, control system 9 comprises automobile electronic control unit (Electronic Control Unit, ECU) 10, hinge releasing device 12 and sensor 11; Described ECU is connected with described sensor, and hinge releasing device 12 is connected with described bearing pin 6.ECU can control described hinge releasing device 12 and extract bearing pin 6 out, thereby removes the lockup state of described hinge seat.Sensor 11 can use trigger sensor.
When vehicle collision is when the pedestrian, ECU receives the detection signal that sensor 11 sends, and can send instruction and rapidly bearing pin 6 be extracted by the hinge releasing device 12 of electromagnetic type, and torsionspring 8 in compressive state is resetted under the effect of self power.Hinge seat 2 upwards lifts under the effect of torsionspring 8, drive hinge arms 1 to move upward, thereby lift hood rear portion, cushion space while increasing pedestrian head collision, while shock, torsionspring 8 also can play good buffering energy-absorbing function simultaneously, reaches the object reducing pedestrian head injury.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. an active linkage, is characterized in that, comprises hinge arms, hinge seat and control system, and described hinge seat comprises linkage and is arranged on the elastic component on this linkage; The top of described linkage and described hinge arms are connected through the hinge, and the bottom of this linkage and vehicle body chain connection; Described linkage is connected with described control system;
Under normal condition, described linkage is in lockup state, and described elastic component is in compressive state; In the time that pedestrian is arrived in vehicle collision, described control system is removed the lockup state of described linkage, and described elastic component drives described linkage upwards to lift by elastic restoring force, thereby drives described hinge arms to move upward.
2. active linkage according to claim 1, is characterized in that, described control system comprises automobile electronic control unit, hinge releasing device and sensor; Described automobile electronic control unit is connected with described hinge releasing device and described sensor respectively.
3. active linkage according to claim 2, is characterized in that, described linkage comprises connecting rod and lower link, and the upper end of described upper connecting rod lower end and lower link is hinged; The upper end of described upper connecting rod and described hinge arms are connected through the hinge, and the lower end of described lower link and vehicle body are connected through the hinge; Described upper connecting rod is provided with the linking arm stretching out, and the end of described linking arm is connected by dismountable bearing pin with described lower link; Described elastic component is arranged between described upper connecting rod and lower link; Described hinge releasing device is connected with described bearing pin.
4. active linkage according to claim 3, is characterized in that, described upper connecting rod quantity is two, and the upper end of described two upper connecting rods is connected through the hinge; Described lower link quantity is two, and the lower end of described two lower links is connected through the hinge; Described upper connecting rod and lower link form the lanar four rod mechanism of rhombus.
5. active linkage according to claim 3, is characterized in that, between described upper connecting rod and lower link, connects by jointed shaft; Described elastic component is torsionspring, and described torsionspring is arranged on described jointed shaft, and a support arm of this torsionspring is fixedly connected on described upper connecting rod, and another support arm is fixedly connected on described lower link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320774269.6U CN203669577U (en) | 2013-11-29 | 2013-11-29 | Active hinge mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320774269.6U CN203669577U (en) | 2013-11-29 | 2013-11-29 | Active hinge mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203669577U true CN203669577U (en) | 2014-06-25 |
Family
ID=50965890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320774269.6U Expired - Fee Related CN203669577U (en) | 2013-11-29 | 2013-11-29 | Active hinge mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203669577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017076A (en) * | 2019-05-15 | 2019-07-16 | 重庆市永川区中川科技发展有限责任公司 | Connecting rod interlock type automobile back door hinge |
-
2013
- 2013-11-29 CN CN201320774269.6U patent/CN203669577U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017076A (en) * | 2019-05-15 | 2019-07-16 | 重庆市永川区中川科技发展有限责任公司 | Connecting rod interlock type automobile back door hinge |
| CN110017076B (en) * | 2019-05-15 | 2020-10-02 | 重庆市永川区中川科技发展有限责任公司 | Connecting rod interlocking type automobile back door hinge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |