CN205686357U - Air bag - Google Patents
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- CN205686357U CN205686357U CN201620488966.9U CN201620488966U CN205686357U CN 205686357 U CN205686357 U CN 205686357U CN 201620488966 U CN201620488966 U CN 201620488966U CN 205686357 U CN205686357 U CN 205686357U
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Abstract
This utility model relates to a kind of air bag, including: gas generator；It is connected with gas generator, for the generator support of fixed gas generator；There is the airbag of side gas curtain and frontal airbags；Being connected with gas generator and airbag respectively, the gas for gas generator being produced imports the inducing QI bag of airbag；And, anti-return assembly, it is connected with inducing QI bag, anti-return assembly can prevent the gas backstreaming in frontal airbags to side gas curtain when frontal airbags is squeezed.This air bag can protect occupant's head, effectively reduces head and the cervical injuries value of occupant.
Description
Technical field
This utility model relates to technical field of automobile, particularly relates to a kind of air bag.
Background technology
Air bag is for providing effective Anti-bumping protection when collision scenario for occupant.Generally, at side collision
The air bag device of middle protection occupant's head uses side airbag gas curtain, and it can protect multiple rows of occupant simultaneously.
Traditional side airbag gas curtain is arranged on gusset panel beating, typically extends to rear pillar from automotive front pillar, is positioned at vertical
The top of post interior trim, is hidden by the marginal portion of ceiling, invisible in car.Vehicle when by side impact, ECU
After (Electronic Control Unit, electronic control unit) sends ignition signal, side airbag gas curtain is inflated rapidly, gas
Ceiling pushed open by bag, crosses interior trim and launches downwards, covers in vehicle window region, side, and be positioned at seat side and interior body trim it
Between, between occupant's head and vehicle body and outside rigid structure, form neonychium, thus protect the head of occupant.Traditional side
Safe air curtain can form front-seat lateral protection airbag chamber and heel row lateral protection airbag chamber, and it can be protected in the range of from front pillar
Lateral side regions to rear pillar.
In head-on crash, the air bag device of front-row occupant head can be protected to be usually driver airbag and pair
Driving safety air bag.And for heel row occupant, general only seat belt plays the effect of protection, but at C-NCAP (China-New
Car Assessment Program, China's new car assessment routine) etc. in regulation test, often the headform cervical region of heel row can be because of
Lose more mark for lacking the protection of corresponding air bag, cause the decline of car load security rating.
In actual collision accident, it is all angled collision, is to there is forward and side collision component simultaneously, because of
This, for occupant, if simply side airbag inflatable curtain deployment, be incomplete to its protective effect.In the past, it is thus proposed that
The front-row seats back side is installed air bag and rear passenger is provided head-on crash protection, and this kind increases on back seat backrest
The mode of one air bag can bring the problem of multiple complexity such as armchair structure, cost, control strategy, and feasibility is extremely low, with
Cause the most still to be applied to market.
It addition, show through actual survey, little offset collision form accounts for whole head-on crash accident in vehicle accident
25%, the 15% of whole vehicle accidents, the most each high-end vehicle has started to carry out automobile the test of little offset collision one after another.?
Under this form, typical vehicle body endergonic structure such as bumper bar, front longitudinal cannot play real effect, and this is special to vehicle safety
It not that the protective value of air bag is had higher requirement.And from August, 2012, IIHS (Insurance
Institute for Highway Safety, American Highway security insurance association) introduce 25% Frontal offset impact for
Evaluate.During 25% little offset collision, due to the effect of inertia, driver head be easily slid into driver's side air bag and
Between the gas curtain of side, this position will be easy to so that driver head directly contacts with the A post plastic plate of hard without the protection of air bag
Cause excessive injury, therefore, poor to the front protecting effect of front-row occupant.
In sum, occupant cannot be provided head-on crash to protect by orthodox car air bag system, therefore, and orthodox car
There is the technical problem that occupant cannot provide comprehensive collision protect in air bag system.
Utility model content
Based on this, it is necessary to occupant cannot provide comprehensive collision protection ask for orthodox car air bag system
Topic, it is provided that a kind of air bag.
A kind of air bag, including:
Gas generator；
Generator support, is connected with gas generator, for fixed gas generator；
Airbag, has side gas curtain and frontal airbags；
Inducing QI bag, is connected with gas generator and airbag respectively, imports airbag for gas gas generator produced
Inducing QI bag；And,
Anti-return assembly, is connected with inducing QI bag, and anti-return assembly can prevent front gas when frontal airbags is squeezed
Gas backstreaming in capsule is to side gas curtain.
Above-mentioned air bag is integrated with frontal airbags on the gas curtain of side, provides front protecting for occupant, occurs at vehicle
There is provided protection to occupant's head, cervical region during collision, reduce head and the cervical injuries value of occupant, provide comprehensive collision to protect for occupant
Protect.And above-mentioned air bag arranges anti-return assembly inside the gas outlet corresponding with frontal airbags, work as collision scenario
When frontal airbags is extruded by the shock of occupant, anti-return assembly can form enclosed construction and be closed by gas channel, thus reach
To gas fluid stopping effect, prevent the gas backstreaming in frontal airbags to side gas curtain, to ensure still to protect when frontal airbags is squeezed
Hold certain rigidity, preferably protect occupant's head.It addition, front protecting air bag is integrated on the gas curtain of side by above-mentioned air bag
Than being individually that heel row occupant sets up a heel row front protecting air bag and has more preferable economy, before application at front-row seats rear
Scape is extensive.
Wherein in an embodiment, inducing QI bag includes that inducing QI bag body and air-guide part, inducing QI bag body occur with gas
Device connects, and air-guide part is connected with inducing QI bag body and airbag respectively, and anti-return assembly is connected with air-guide part.
Wherein in an embodiment, anti-return assembly includes that multiple blade, one end of multiple blades are connected to inducing QI
The inwall of part, when frontal airbags is inflated, the other end of multiple blades all extends to frontal airbags direction, multiple blades phase successively
Adjacent setting, adjacent blade contacts with each other；
When frontal airbags is inflated, adjacent blade separately, forms the fill opening for frontal airbags inflation；
When being squeezed after frontal airbags is inflated, contact with each other between adjacent blade and mutually resist, fill opening
Close, to prevent the gas backstreaming in frontal airbags to side gas curtain.
Wherein in an embodiment, when above-mentioned air bag also includes that can balance side gas curtain inflates with frontal airbags
Between pressure limiting part, pressure limiting part is connected with air-guide part, and pressure limiting part is disposed adjacent with anti-return assembly.
Wherein in an embodiment, pressure limiting part includes the first sewing thread of a plurality of tear, a plurality of first sewing thread
One end sews on air-guide part, and the other end is that arcuation extends.
Wherein in an embodiment, pressure limiting part includes that a plurality of second sewing thread, a plurality of second sewing thread all include fixing
Section and tear section, canned paragraph sews on air-guide part, and tear section one end is connected with canned paragraph, and the other end is that arcuation extends.
Wherein in an embodiment, pressure limiting part is overall in funnel-form.
Wherein in an embodiment, the intensity of canned paragraph is more than the intensity of tear section.
Wherein in an embodiment, frontal airbags also includes that interior drawstring, interior drawstring are arranged on inside frontal airbags, inside draw
Band can retrain the expansion attitude of frontal airbags when frontal airbags is inflated.
Wherein in an embodiment, frontal airbags is arranged on front row and/or the front in back seat passenger riding region.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of air bag in an embodiment；
Fig. 2 is the inflatable structure schematic diagram of air bag in an embodiment；
Fig. 3 is the structural representation of air-guide part in an embodiment；
Fig. 4 is that in an embodiment, each blade of anti-return assembly mutually resists the structural representation forming enclosed construction；
Fig. 5 is the gas flow schematic diagram during anti-return assembly formation enclosed construction fluid stopping gas shown in Fig. 4；
Fig. 6 is that in another embodiment, each blade of anti-return assembly mutually resists the structure chart forming enclosed construction；
Fig. 7 is the gas flow schematic diagram during anti-return assembly forward inflation shown in Fig. 6；
Fig. 8 is the structural representation of pressure limiting part in an embodiment；
Fig. 9 is the structural representation after the pressure limiting part tear section shown in Fig. 8 tears for frontal airbags inflation；
Figure 10 is the inflatable structure schematic diagram of frontal airbags in an embodiment；
Figure 11 is the inflatable structure schematic diagram of air bag in another embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Refer to Fig. 1 to Fig. 3, a kind of air bag, including: gas generator 4, generator support 5, there is side gas curtain 21
With the airbag 2 of frontal airbags 22, inducing QI bag 3 and, anti-return assembly 7.Generator support 5 is connected with gas generator 4, is used for
Fixed gas generator 4.Inducing QI bag 3 is connected with gas generator 4 and airbag 2 respectively, for gas gas generator 4 produced
Body imports airbag 2.Anti-return assembly 7 can prevent the gas backstreaming in frontal airbags 22 extremely when frontal airbags 22 is squeezed
Side gas curtain 21.
As in figure 2 it is shown, airbag 2 includes frontal airbags 22 and side gas curtain 21, frontal airbags 22 is connected to the one of side gas curtain 21
Being vertically arranged with side gas curtain 21 behind side, and frontal airbags 22 expansion, the junction of frontal airbags 22 and side gas curtain 21 offers
Inflation inlet.
As shown in Figure 1, Figure 3, inducing QI bag 3 includes that inducing QI bag body 31 and air-guide part 32, inducing QI bag body 31 are sent out with gas
Raw device 4 connects, and air-guide part 32 is connected with inducing QI bag body 31 and airbag 2 respectively, and anti-return assembly 7 is connected with air-guide part 32.
Concrete, air-guide part 32 is arranged at the inflation inlet of frontal airbags 22 and side gas curtain 21 junction, and air-guide part 32 is opened
Being provided with air inlet the 321, first gas outlet 322 and the second gas outlet 323, air inlet 321 connects with inducing QI bag body 31, and first goes out
QI KOU 322 connects with side gas curtain 21, and the second gas outlet 323 connects with frontal airbags 22, and anti-return assembly 7 is arranged on second and gives vent to anger
At mouth 323, anti-return assembly 7 closes the second gas outlet 323 when can be squeezed after frontal airbags 22 is inflated, and prevents front
Gas backstreaming in air bag 22 is to side gas curtain 21.
As in figure 2 it is shown, in the present embodiment, frontal airbags 22 is arranged on back seat passenger riding region fore, be used for be
Heel row occupant provides head-on crash to protect.Side gas curtain 21 includes front-seat side gas curtain 211 and heel row side gas curtain 212, front-seat side gas curtain
211, heel row side gas curtain 212 and frontal airbags 22 integral type connect, front-seat side gas curtain 211, heel row side gas curtain 212 and frontal airbags
The junction of 22 offers inflation inlet.Concrete, inflation inlet is threeway inflation inlet, and three inflation inlets are respectively front-seat side gas curtain and fill
QI KOU, heel row side gas curtain inflation inlet and frontal airbags inflation inlet.Accordingly, as it is shown on figure 3, air-guide part 32 has two first goes out
QI KOU 322 and second gas outlet 323, one of them first gas outlet 322 connects with front-seat side gas curtain inflation inlet, another
First gas outlet 322 connects with heel row side gas curtain inflation inlet, and the second gas outlet 323 connects with frontal airbags inflation inlet.
Anti-return assembly 7 includes that multiple blade, one end of multiple blades are connected to the inwall of air-guide part 32, when front gas
When capsule 22 is inflated, the other end of multiple blades all extends to frontal airbags 22 direction, and multiple blades are disposed adjacent successively, adjacent
Blade contacts with each other.When frontal airbags 22 is inflated, adjacent blade separately, forms the inflation for frontal airbags 22 inflation and opens
Mouthful；When being squeezed after frontal airbags 22 is inflated, contacting with each other and mutually resist between adjacent blade, fill opening closes
Close, to prevent the gas backstreaming in frontal airbags 22 to side gas curtain 21.
Concrete, such as Fig. 3, as shown in Figure 4, anti-return assembly 7 includes three blades, the respectively first blade 71, second
Blade 72 and third blade 73, one end of first blade the 71, second blade 72 and third blade 73 is connected to the second gas outlet
323 inwalls.When frontal airbags 22 is inflated, the other end of first blade the 71, second blade 72 and third blade 73 is all to front
Air bag 22 direction extends.First blade the 71, second blade 72 and third blade 73 are disposed adjacent successively, and adjacent blade is indirectly
Touch and connect.When gas/22, front are inflated, being separated from each other between first blade the 71, second blade 72 and third blade 73, formation is filled
Gas opening, frontal airbags 22 is inflated；When being squeezed after frontal airbags 22 is inflated, first blade the 71, second blade 72 and the
Contact with each other between three blades 73 and mutually resist, forming enclosed construction, close the second gas outlet 323, prevent frontal airbags 22
Interior gas backstreaming is to side gas curtain 21.
In the present embodiment, the EDGE CONTACT of first blade the 71, second blade 72 and third blade 73 connects.Such as Fig. 4 institute
Showing, a side of blade 331 is connected with a contact aside of blade 332, another side of blade 332 and the one of blade 333
Side connects, and another side of blade 333 is connected with another side of blade 331.Further, in one embodiment,
For strengthening sealing effectiveness during each blade contact, it is also possible at the first blade the 71, second blade 72 and third blade 73 phase mutual connection
On each side touched, sealing strip is set, to strengthen sealing property.
First blade the 71, second blade 72 and third blade 73 are respectively provided with certain degree of hardness, first blade the 71, second blade 72
And contact with each other between third blade 733, form the right atrioventricular valve structure of similar human heart right atrium, i.e. Tricuspid valve structure.
When anti-return assembly 7 makes to inflate, gas can pass through, and inflates for frontal airbags 22.But, it is filled with in frontal airbags 22 cavity
Gas can not return in two gas curtain cavitys of side.When inflating to frontal airbags 22, first blade the 71, second blade
72 and third blade 73 be separated from each other under airflow function, Tricuspid valve structure is opened, and Tricuspid valve is in open state, and gas relatively holds
Easily flow in the cavity of frontal airbags 22.As it is shown in figure 5, when a vehicle is in a collision, frontal airbags 22 is squeezed by occupant's head
Pressure, frontal airbags 22 cavity internal pressure raises, and anti-return assembly 7 shrinks, and now the gas in cavity counter can push away Tricuspid valve structure,
Counter the pushing away of gas in frontal airbags 22 cavity makes three blades 331,332 and 333 mutually resist, first blade the 71, second blade
Can mutually withstand one enclosed construction of formation between 72 and third blade 73 and by gas channel closing thus reach gas fluid stopping effect
Really, this can ensure that and keeps certain rigidity when frontal airbags is squeezed, thus protects occupant's head.
In the above embodiments, between first blade the 71, second blade 72 and third blade 73, EDGE CONTACT connects.Again
In one embodiment, contact can also be overlapped mutually between first blade the 71, second blade 72 and third blade 73 and connect.Specifically
, as shown in Figure 6, a side of the first blade 71 is superimposed upon on a side of the second blade 72, the opposite side of the second blade 72
While be superimposed upon on a side of third blade 73, another side of third blade 33 is superimposed upon another side of first side 331
On.First blade the 71, second blade 72 and third blade 73 are respectively provided with certain degree of hardness, first blade the 71, second blade 72 and
It is overlapped mutually contact between three blades 733 so that during inflation, gas can pass through, inflates for frontal airbags 22.But, just it is filled with
Gas in face air bag 22 cavity can not return in two gas curtain cavitys of side.As it is shown in fig. 7, when gas flow front gas
During capsule 22, separately, gas can arrive frontal airbags 22 cavity smoothly for first blade the 71, second blade 72 and third blade 73
In.When frontal airbags 22 is extruded by the shock of occupant, frontal airbags 22 cavity internal pressure raises, and anti-return assembly 7 shrinks,
Can mutually withstand between first blade the 71, second blade 72 and third blade 73 thus play seal runner reach preventing gas backflow
Function so that frontal airbags 22 can maintain the requirement of design rigidity.
Concrete, in the above-described embodiments, as shown in Figure 4, Figure 5, the first blade the 71, second blade 72 and third blade 73
Structure the most identical, each blade all includes three sides, and wherein, a side is for being connected, separately with the inwall of the second gas outlet
Outer two sides are connected with the side of adjacent blades, and two sides being connected with adjacent blades side are that arcuation reduces extension, and
Blade is prominent to the outside of anti-return assembly 7 along bearing of trend.In other embodiments, first blade the 71, second blade 72 and
Third blade 73 can also be triangular in shape.
In the above embodiments, anti-return assembly 7 includes three blades.However, it is desirable to explanation, this utility model is also
Do not limit the particular number of blade, the quantity of concrete blade can according to reality application be configured, can more than three fewer than
Three, e.g., blade can be 2, it is also possible to being 4,5 or more, in above-described embodiment, anti-return assembly 7 includes three leaves
Sheet is an embodiment, is not used to limit this utility model.
The air bag of the present embodiment is similar with the installation fixed form of common side gas curtain, especially by generator support and
Side gas curtain buckle is installed on gusset panel beating.As it is shown in figure 1, in one embodiment, the installation of the air bag of the present embodiment
Structure includes that mount point fixes buckle 1, airbag 2, inducing QI bag 3, gas generator 4 and generator support 5, airbag 2 and inducing QI bag 3
Connecting, inducing QI bag 3 is connected with gas generator 4, and gas generator 4 is connected with generator support 5, mount point fix buckle 1 and
Side gas curtain connects, and side gas curtain is installed the bolt fixed on buckle 1 and generator support 5 by mount point and is installed on gusset panel beating 6
On.
The mounting means that the air bag of the present embodiment is identical with the gas curtain employing of common side.It is to be noted, however, that side
The pulling force that each mount point of gas curtain can bear is certain, and heel row has had more a frontal airbags, therefore, at frontal airbags
Need between air bag to increase mount point (not shown) to ensure that air bag can be with 100% mounted some constraint.Therefore, in frontal airbags position
Put distance that place increases between two mount points and this two mount points less than distance between two mount points at other regions so that
Connect more stable.
In the present embodiment, owing to arranging three gas-filled cavity, it is therefore desirable to generator can produce more at short notice
Gas.Typically use high-power generator or use multiple generator to reach effects equivalent simultaneously.Accordingly, generator support
Needing higher intensity to coordinate the big generator of output, generator power is the highest, required generator support intensity
The highest, in the present embodiment, generator support can use yield strength value to be 420Mpa～520Mpa, and tensile strength is 470Mpa
～HC 420 material of 590Mpa makes.
The air bag of the present embodiment is integrated with frontal airbags 22 on the gas curtain of side, provides front protecting for occupant, at car
There is provided protection to occupant's head, cervical region when colliding, reduce head and the cervical injuries value of occupant.And above-mentioned air bag
At second gas outlet 323, anti-return assembly 7 is set, when inflating to heel row frontal airbags, airflow direction and blade bearing of trend phase
With, first blade the 71, second blade 72 and third blade 73 are separated from each other under airflow function, and anti-return assembly 7 is in opening
State, gas is inflated for frontal airbags 22 in flowing into frontal airbags 22 cavity.When collision, frontal airbags 22 is hit by occupant
When hitting extruding, frontal airbags 22 chamber pressure raises, and now gas counter can push away anti-return assembly 7, each blade of anti-return assembly 7
Mutually resist one enclosed construction of formation to be closed by gas channel, thus reach gas fluid stopping effect, to ensure frontal airbags 22
Still keep certain rigidity when being squeezed, preferably protect occupant's head.It addition, above-mentioned air bag is by front protecting air bag
22 are integrated on the gas curtain of side than being individually that heel row occupant sets up a heel row front protecting air bag and has more at front-row seats rear
Good economy, application prospect is extensive.
As it is shown on figure 3, in one embodiment, above-mentioned inducing QI bag 3 also includes balancing side gas curtain 21 and front gas
The pressure limiting part 8 of capsule 22 inflationtime, pressure limiting part 8 is connected with air-guide part 32, and pressure limiting part 8 is disposed adjacent with anti-return assembly 7.
Concrete, pressure limiting part 8 is arranged at the second gas outlet 323, and is positioned at inside anti-return assembly 7, and pressure limiting part 8 includes
First sewing thread of a plurality of tear, one end of each first sewing thread sews on air-guide part 32, and the other end is that arcuation extends, and
Extend to the second gas outlet 323 internal.
Concrete, each first sewing thread be one end of extending of arcuation in not closed state, pressure limiting part 8 entirety is funnel-form.
Funnel-shaped structure can form stress and concentrate gas leads into frontal airbags 22, and can the effective more weak sewing thread of management and control
Only i.e. fix at funnel structure and rupture at end.
General, the arrival time that side gas curtain requires is about 30ms, and the arrival time that frontal airbags requires is about 40ms.
For balancing the arrival time of side gas curtain 21 and frontal airbags 22, in the present embodiment, realize frontal airbags 22 by arranging pressure limiting part 8
Pressure-limiting function.Concrete, pressure-limiting function is realized by the intensity controlling the first sewing thread.First sewing thread is that intensity is more weak
Sewing thread, the free end of each first sewing thread is not closed state, and entirety is funnel-shaped structure.When gas generator 4 is given
When airbag 2 is inflated, and when gas pressure is not up to specified pressure, the first more weak sewing thread will not be destroyed, and is now front
Air bag 22 inflation will be subject to bigger obstruction, and a large amount of gases fill to front-seat side gas curtain 211 and heel row side gas curtain 212, is first front-seat
Side gas curtain 211 and heel row side gas curtain 212 are inflated, and now only have the gas of trace to enter frontal airbags 22, beneficially front gas
Capsule 22 is released from ceiling.When gas pressure reaches to a certain degree, the first sewing thread can be destroyed, and the first sewing thread is from funnel
Place i.e. fixes and ruptures at end so that gas enters frontal airbags 22.Now, frontal airbags pushes ceiling the most completely open.Meanwhile,
The aeration speed ruptured greatly accelerating frontal airbags 22 because of the first sewing thread.When the blowing pressure reaches certain pressure, side
Gas curtain 21 pushes ceiling drops down the most completely open, is now conducive to frontal airbags 22 inflation being integrated on side gas curtain 21
Reduce the frontal airbags 22 inflation to ceiling.
General, the span of above-mentioned charge air conditioning specified pressure is 20KPa～40KPa.
Further, for avoiding the first sewing thread to be directly connected with air-guide part 32, it is likely to result in during the first sewing thread tear
Air-guide part inwall tears, and causes air-guide part 32 to damage the stability affecting air bag, in one embodiment, by arranging
Second sewing thread 81 protects air-guide part 32.
As shown in Figure 8, pressure limiting part 8 includes that a plurality of second sewing thread 81, a plurality of second sewing thread 81 all include canned paragraph 811
With tear section 812, canned paragraph 811 sews on air-guide part 32, and tear section 812 one end is connected with canned paragraph 811, and the other end is arc
Shape extends, and it is internal to extend to the second gas outlet 323.
Concrete, the intensity of canned paragraph 811 is more than the intensity of tear section 812.Canned paragraph 811 one end sews in air-guide part 32
Inwall, the other end is connected with tear section 812 sewing, and one end of tear section 812 is connected with canned paragraph 811 sewing, tear section 812
It is internal that the other end extends to the second gas outlet 323.One end of extending in arcuation of tear section 812 in not closed state, pressure limiting part 8
Overall in funnel-form.
In the present embodiment, pressure limiting part 8 comprises two sections of different sewing threads of intensity, and the tear thinner intensity of section 812 is relatively low, fixing
Section 811 relatively tailor-tackings line strength of threading is higher, and the relatively low tear section 812 of intensity is closed up by sewing, initial by the second gas outlet 323
Filling channel diameter maintains reduced levels, after pressure reaches to a certain degree, tear section 812 from canned paragraph 811 junction
Tear, tear section 812 is connected fracture, thus increases entrance frontal airbags 22 cavity filling channel diameter with canned paragraph 811, for
Frontal airbags 22 is inflated comprehensively.
In the present embodiment, tear section 812 is connected to the second air-guide part 32 inwall by canned paragraph 811.As it is shown in figure 9, work as
When reaching to specify the blowing pressure, tear section 812 is torn by with canned paragraph 811 junction, and canned paragraph 811 intensity is higher, will not
Rupturing, from without air-guide part 32 inwall is caused damage, effectively protection air-guide part 32 inwall, promotes air bag
Energy.
In one embodiment, frontal airbags 22 also includes that interior drawstring, interior drawstring are arranged on frontal airbags 22 inside, it is possible to
The expansion attitude of frontal airbags 22 is retrained when frontal airbags 22 is inflated.
Concrete, as shown in Figure 10, in frontal airbags 22, it is provided with interior drawstring 221.Interior drawstring 221 left part and front gas
The capsule 22 sidewall sewing near inflation inlet side connects, and the right part of interior drawstring 221 connects with the free end sewing of frontal airbags 22
Connecing, the upper and lower end of interior drawstring 221 is not sewed up with frontal airbags.When putting quick-fried, interior drawstring can retrain frontal airbags
Vibration in X-direction makes air bag can launch towards positive Y-direction, and interior drawstring 221 can retrain frontal airbags 22, it is ensured that just
The expansion attitude of face air bag.It addition, the both ends up and down of interior drawstring 221 are not sewed up, in gas replenishment process with frontal airbags 22
Interior drawstring 221 gradually spreads out, and gas is gradually filled with the frontal airbags 22 side towards member through the both sides up and down of interior drawstring 221,
Thus avoid moment inflation that member is damaged, play cushioning effect.
In one embodiment, after frontal airbags 22 launches, outline is overall in cylinder or triangle body structure, or front gas
After airbag deployment, the horizontal cross-section of outline is wedge shaped.
See table 1, when it is 50km/h front rigid collision, equipped with the air bag of the present embodiment band frontal airbags with general
Lead to and do not fill the side inflatable curtain module with frontal airbags, heel row dummy neck parameter comparison.Wherein, HIC (Head Injury
Criterion) head injury index.
Table 1:50km/h front rigid collision sled test contrast table
Seeing table 2, it is 64km/h biasing deformable obstacle collision stage car test, equipped with the present embodiment band frontal airbags
Air bag with commonly do not fill the side inflatable curtain module with frontal airbags, heel row dummy neck parameter comparison.Wherein, HIC (Head
Injury Criterion) head injury index.
Table 2:64km/h biases deformable obstacle collision stage car Experimental Comparison table
From the analysis of above table 1, table 2 contrasts, it can be seen that the air bag using the present embodiment can be effectively for taking advantage of
Member provides front protecting, provides protection when vehicle collides to occupant's head, cervical region, reduces head and the cervical injuries of occupant
Value.
In above-described embodiment, the quantity of frontal airbags is one, and this frontal airbags is arranged on back seat passenger riding
Region fore, for providing head-on crash to protect for heel row occupant.Accordingly, air-guide part has two the first gas outlets and one
Second gas outlet corresponds to three air bag cavity inflations.However, it is desirable to explanation, the present embodiment is not used to limit concrete
Frontal airbags quantity and frontal airbags position and the first gas outlet and the quantity of the second gas outlet are set.In actual application,
The quantity arranging position and gas outlet of frontal airbags quantity and frontal airbags specifically can be set according to practical situations, only
The second gas outlet quantity on air-guide part to be ensured is identical with the quantity of frontal airbags cavity.As, in another embodiment
In, the quantity of frontal airbags is one, and frontal airbags is arranged on front-row seats passenger riding region fore, is used for as front-row occupant
Offer head-on crash is protected.In other embodiments, the quantity of frontal airbags can be more than one, as frontal airbags quantity also
Can be 2,2 frontal airbags are separately positioned on front-seat and back seat passenger riding region fore, be simultaneously front-seat with after
Row occupant provides front protecting.For different automobile types, the quantity of frontal airbags can also be more than 2, and each frontal airbags is respectively
It is arranged on each row's seat occupant and takes region fore, provide front protecting for each row occupant simultaneously.When frontal airbags is multiple,
Accordingly increase the quantity of the second gas outlet.
As shown in figure 11, the inflatable structure schematic diagram of air bag during it is another embodiment.In the present embodiment, just
The quantity of face air bag is one, and frontal airbags is arranged on front-row seats passenger riding region fore, and frontal airbags 22 is between front row
Between side gas curtain 211 and driver's side air bag 9, when automobile there occurs the similar feelings with little offset collision during actual collision
During condition, when occupant slips between front-seat side gas curtain 211 and side safety air bag for driver 9, now frontal airbags 22 is to driver's head
Portion protects, and provides effective front protecting for front-row occupant.
The present embodiment and a upper embodiment differ only in frontal airbags to arrange position different, accordingly, according to just
The position of the position adjustment inflation inlet of face air bag and mount point position is set, other structure all with a upper embodiment phase
With, do not repeat them here.
Above-mentioned air bag is integrated with frontal airbags on the gas curtain of side, and inside the gas outlet corresponding with frontal airbags
Arranging anti-return assembly, anti-return assembly can form enclosed construction when collision and be closed by gas channel, to ensure front gas
Still keep certain rigidity when capsule is squeezed, preferably protect occupant's head.During frontal crash of vehicles, above-mentioned substitute
The frontal airbags that capsule ejects can well provide protection for forward and backward row occupant, reduces head and the cervical region wound of forward and backward row occupant
Evil value, provides comprehensive collision to protect for occupant.Meanwhile, frontal airbags is integrated on the gas curtain of side than individually at front-row seats rear
Set up a heel row front protecting air bag for heel row occupant and there is more preferable economy, be with a wide range of applications.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area
For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. an air bag, it is characterised in that including:
Gas generator；
Generator support, is connected with described gas generator, is used for fixing described gas generator；
Airbag, has side gas curtain and frontal airbags；
Inducing QI bag, is connected with described gas generator and airbag respectively, and the gas for gas generator being produced imports described
The inducing QI bag of airbag；And,
Anti-return assembly, is connected with described inducing QI bag, and described anti-return assembly can be prevented when described frontal airbags is squeezed
Only the gas backstreaming in described frontal airbags is to described side gas curtain.
Air bag the most according to claim 1, it is characterised in that described inducing QI bag includes inducing QI bag body and inducing QI
Part, described inducing QI bag body is connected with described gas generator, and described air-guide part connects with described inducing QI bag body and airbag respectively
Connecing, described anti-return assembly is connected with described air-guide part.
Air bag the most according to claim 2, it is characterised in that described anti-return assembly includes multiple blade, multiple
One end of described blade is connected to the inwall of described air-guide part, when described frontal airbags is inflated, and multiple described blades another
One end all extends to described frontal airbags direction, and multiple described blades are disposed adjacent successively, and adjacent described blade contacts with each other；
When described frontal airbags is inflated, adjacent described blade separately, forms the inflation for the inflation of described frontal airbags and opens
Mouthful；
When being squeezed after described frontal airbags is inflated, contact with each other between adjacent described blade and mutually resist, described
Fill opening is closed, to prevent the gas backstreaming in described frontal airbags to described side gas curtain.
Air bag the most according to claim 2, it is characterised in that also include balancing described side gas curtain with described just
The pressure limiting part of face airbag aeration time, described pressure limiting part is connected with described air-guide part, and described pressure limiting part and described anti-return group
Part is disposed adjacent.
Air bag the most according to claim 4, it is characterised in that described pressure limiting part includes the first seam of a plurality of tear
Threading line, one end of a plurality of described first sewing thread sews on described air-guide part, and the other end is that arcuation extends.
Air bag the most according to claim 4, it is characterised in that described pressure limiting part includes a plurality of second sewing thread, many
Second sewing thread described in bar all includes canned paragraph and tear section, and described canned paragraph sews on described air-guide part, described tear section
One end is connected with described canned paragraph, and the other end is that arcuation extends.
7. according to the air bag described in claim 5 or 6, it is characterised in that described pressure limiting part is overall in funnel-form.
Air bag the most according to claim 6, it is characterised in that the intensity of described canned paragraph is more than described tear section
Intensity.
Air bag the most according to claim 1, it is characterised in that described frontal airbags also includes interior drawstring, described interior
Drawstring is arranged on inside described frontal airbags, and described interior drawstring can retrain described frontal airbags when described frontal airbags is inflated
Expansion attitude.
Air bag the most according to claim 1, it is characterised in that described frontal airbags is arranged on front row and/or heel row
Seat occupant takes the front in region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488966.9U CN205686357U (en) | 2016-05-25 | 2016-05-25 | Air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488966.9U CN205686357U (en) | 2016-05-25 | 2016-05-25 | Air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205686357U true CN205686357U (en) | 2016-11-16 |
Family
ID=57263076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620488966.9U Active CN205686357U (en) | 2016-05-25 | 2016-05-25 | Air bag |
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| Country | Link |
|---|---|
| CN (1) | CN205686357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946778A (en) * | 2016-05-25 | 2016-09-21 | 延锋百利得（上海）汽车安全系统有限公司 | Safety gas bag |
| JP2018171969A (en) * | 2017-03-31 | 2018-11-08 | 株式会社Ｓｕｂａｒｕ | Curtain airbag |
-
2016
- 2016-05-25 CN CN201620488966.9U patent/CN205686357U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946778A (en) * | 2016-05-25 | 2016-09-21 | 延锋百利得（上海）汽车安全系统有限公司 | Safety gas bag |
| WO2017202280A1 (en) * | 2016-05-25 | 2017-11-30 | 延锋百利得（上海）汽车安全系统有限公司 | Safety airbag |
| US10974683B2 (en) | 2016-05-25 | 2021-04-13 | Yanfeng Automotive Safety Systems Co., Ltd. | Safety airbag |
| JP2018171969A (en) * | 2017-03-31 | 2018-11-08 | 株式会社Ｓｕｂａｒｕ | Curtain airbag |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191220 Address after: 201315 4th floor, building 11, No. 957, Kangqiao Road, Pudong New Area, Shanghai Co-patentee after: Shanghai Lingang Junsheng automobile safety system Co., Ltd Patentee after: Yanfeng Automobile Intelligent Safety System Co., Ltd. Address before: 201315 No. 426 Pu Pu Road, Cambridge Industrial Park, Shanghai, Pudong New Area Patentee before: Yanfeng Bailide (Shanghai) Automobile Safety System Co., Ltd. |