CN103448663B - Air bag device - Google Patents
Air bag device Download PDFInfo
- Publication number
- CN103448663B CN103448663B CN201310185974.7A CN201310185974A CN103448663B CN 103448663 B CN103448663 B CN 103448663B CN 201310185974 A CN201310185974 A CN 201310185974A CN 103448663 B CN103448663 B CN 103448663B
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- CN
- China
- Prior art keywords
- air bag
- airbag cushion
- incorporated
- gas generator
- joint portion
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/239—Inflatable members characterised by their venting means
-
- 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
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
- B60R21/2338—Tethers
- B60R2021/23382—Internal tether means
-
- 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
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/239—Inflatable members characterised by their venting means
- B60R2021/2395—Inflatable members characterised by their venting means comprising means to control the venting
-
- 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
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
- B60R21/2338—Tethers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The present invention provides one can close or open passage to make gas discharge, thus regulates the air bag device launching pressure of airbag cushion.The particularly air bag device of the embodiment of the present invention is formed with the geosutures that can rupture by means of internal air pressure in gas generator, and be incorporated into be formed with the fracture of these geosutures closing or open the opening and closing device of described passage, thus described fracture is by means of internal air pressure, open on the basis of described geosutures, separate with described opening and closing device, thus while described gas generator starts, described opening and closing device separates, so, improve response and the reliability that airbag cushion is launched pressure regulation, can not only be in the expansion pressure of correct time point regulation airbag cushion, and expansion pressure can be reduced and regulate unsuccessfully probability.
Description
Technical field
The present invention relates to air bag device, more specifically, relate to one and can regulate air bag
The gas discharge amount of pad, regulates the air bag device launching pressure of described airbag cushion.
Background technology
It is said that in general, air bag device is a kind of when motor-vehicle accident, inflator the gas produced
Flowing into airbag cushion, described airbag cushion expands expansion by means of described gas, enters passenger
The device of row protection.
Recently, there occurs passenger by described airbag cushion constraint motionless after, due to described air bag
The excessive expansion of pad is pressed and is caused the example of head of passenger and whiplass.Particularly in North America, formulate
About the regulation of the commodity of this air bag device, whether critical appraisal because of described air bag
The expansion of pad is pressed and is caused head of passenger and whiplass.
Therefore it is required that a kind of air bag device, it is possible at the expansion initial stage of described airbag cushion, resistance
Only gas is too much discharged, and keeps launching pressure, seeks to launch early, it is possible to passenger by described substitute
Appropriate time point before and after capsule pad parcel adds discharges gas, reduces passenger's cervical injuries and thoracic injury
Evil.
It addition, also require a kind of air bag device, it is possible to the occupant according to sitting on the seat is baby
Or child, it is adult that body is less or the bigger adult of body and applies different air bags
Pad launches pressure, and described occupant will not come to harm because of excessively the launching pressure of described airbag cushion, borrows
Help suitable expansion pressure and be protected.
Summary of the invention
(solving the technical problem that)
The problem that the invention solves the problems that is to provide a kind of passage by making gas discharge and closes or beat
Open, the air bag device launching pressure of regulation airbag cushion.
The problem of the present invention is not limited to above-mentioned problem, person of ordinary skill in the field
Other problems NM can be clearly understood that from set forth below.
(solving the means of problem)
For reaching described problem, the air bag device of the embodiment of the present invention includes: airbag cushion,
It expands after gas flows into, and is formed for the passage that described gas is discharged；Opening and closing device, its knot
Together in described airbag cushion, so as to close or open described passage；Gas generator, its
Be combined with described opening and closing device, separate with described opening and closing device while there is gas, in order to make institute
State opening and closing device and can close or open described passage along with the expansion of described airbag cushion；Institute
State gas generator and be formed with the fracture being combined with described opening and closing device, be formed at described fracture
The geosutures ruptured by means of internal air pressure, described fracture by means of internal air pressure with institute
Open on the basis of stating geosutures, separate with described opening and closing device.
The details of other embodiments are contained in detailed description and accompanying drawing.
(effect of invention)
The air bag device of the present invention is formed with in internal air pressure in gas generator
Damaged geosutures, are formed with this by the opening and closing device closing or opening described passage is incorporated into
The fracture of geosutures, thus described fracture is by means of internal air pressure, with described geosutures as base
Standard is opened, and separates with described opening and closing device, thus while described gas generator starts, described
Opening and closing device separates, so, improve response and the reliability that airbag cushion is launched pressure regulation,
Have and in the expansion pressure of correct time point regulation airbag cushion, and can not only can reduce exhibition
Open pressure and regulate the effect of unsuccessfully probability.
The effect of the present invention is not limited to above-mentioned effect, person of ordinary skill in the field
Other effects NM can be clearly understood that from the record of request scope.
Accompanying drawing explanation
Fig. 1 is the air bag device figure showing the present invention the 1st embodiment,
Fig. 2 is the figure showing vent cap shown in Fig. 1 and frenulum,
Fig. 3 is guide panel figure shown in display Fig. 1,
Fig. 4 is the isometric front view of air bag shell shown in Fig. 1,
Fig. 5 is the rear isometric view of Fig. 4,
Fig. 6 is the exploded partial perspective view of Fig. 5,
Fig. 7 is the combination figure showing frenulum shown in Fig. 4, gas generator and lid,
Fig. 8 is the figure showing gas generator shown in Fig. 7,
Fig. 9 is the startup figure of gas generator shown in Fig. 8,
Figure 10 is the major part isometric front view of the air bag device of the present invention the 2nd embodiment,
Figure 11 is the rear isometric view of Figure 10,
Figure 12 is the exploded partial perspective view of Figure 10,
Figure 13 is cuing open before gas generator startup in the air bag device showing the embodiment of the present invention
Face figure,
Figure 14 is the startup figure of Figure 13,
Figure 15 is airbag cushion expansion, gas in the air bag device showing the embodiment of the present invention
Profile when generator is not actuated,
Figure 16 is airbag cushion expansion, gas in the air bag device showing the embodiment of the present invention
Profile when generator starts.
(description of reference numerals)
10: air bag shell 18: the 1 through hole
20: inflator 30: airbag cushion
36: passage 40: opening and closing device
42: vent cap 44: frenulum
46: combination member the 46a: the 1 combination member
46b: the 2 combination member 46c: combined hole
46d: frenulum joint portion 46e: bending section
48: guide panel 48a: intercommunicating pore
50: gas generator 55: fracture
57: geosutures 60: seat ring
62: the 2 through hole 64: the 3 through holes
70: lid 72: main part
72a: insert joint portion, hole 74: the 1
76: the 2 joint portions 80: installing plate
82: seat ring joint portion 84: gas generator joint portion
85: through hole
Detailed description of the invention
The embodiment described later referring to the drawings and together described in detail, advantages and features of the invention and
The method reaching it will be clear and definite.But, the present invention is not limited to embodiments disclosed below, and
Being can to embody with mutually different variform, the present embodiment is merely provided for making disclosure of the invention
More complete, enable those skilled in the art to understand the category of invention completely,
The present invention is only defined by the category of claim.In description in the whole text, identical reference marks refers to
For identical element.
With reference to the accompanying drawings, the air bag device of the embodiment of the present invention is described.
Fig. 1 is the figure of the air bag device showing the present invention the 1st embodiment.
As it is shown in figure 1, the air bag device of the present invention the 1st embodiment is to protect when motor-vehicle accident
Ride on the safety device of co-pilot seat passenger.But, the technology that the present invention is most crucial figure as be described hereinafter
Shown in 8 and Fig. 9, it is formation geosutures 57 in gas generator 50, by regulation substitute
The opening and closing device 40 of the gas discharge amount of capsule pad 30 is directly combined to be formed with the disconnected of these geosutures 57
Split portion 55, so that while gas generator 50 starts, opening and closing device 40 occurs from gas
Device 50 separates, and improves and airbag cushion 30 launches response and the reliability that pressure regulates, therefore,
The gas generator 50 being formed with geosutures 57 at fracture 55 is applied to driver airbag
The air bag device such as device, knee airbag device, is can be by the technology of art
Personnel easily change enforcement.In the following description, with co-pilot seat air bag device it is only
Example illustrates.
The air bag device of the present invention the 1st embodiment include air bag shell 10, inflator 20,
Airbag cushion 30, opening and closing device 40 and gas generator 50.
Air bag shell 10 receives airbag cushion 30, is installed on described automobile.
Inflator 20 produces gas, supplies to airbag cushion 30, in order to airbag cushion 30 energy
Enough expand expansion, protect described passenger.That is, produce gas from inflator 20, flow into air bag
After pad 30, airbag cushion 30 expands expansion by means of this air pressure, protects passenger with cushion effect.
The head of inflator 20 can insert internal, with substitute from the outside of air bag shell 10
Capsule pad 30 combines.
Airbag cushion 30 includes: main panel 32, and it expands expansion, contacts with passenger；Side panel
34, it is respectively arranged at the both sides of main panel 32.
Airbag cushion 30 should expand into sufficient pressure, so as to guarantees to protect passenger's
Cushion effect, inflator 20 produces can (FUll) expands completely gas far more than airbag cushion 30
The gas of the scale of construction.Therefore, if producing and flow into the gas in airbag cushion 30 from inflator 20
Do not discharge, then the expansion pressure of airbag cushion 30 will excessively raise, and exist by airbag cushion on the contrary
30 passengers surrounded are injured probability because of the excessively expansion pressure of airbag cushion 30.
Then, in order to prevent the expansion degree of pressing through of airbag cushion 30 from raising, at airbag cushion 30
The oriented side panel of upper formation 34 discharges the main passage 35 of gas.When airbag cushion 30 has expanded exhibition
When opening, passenger is surrounded by main panel 32, and therefore, main passage 35 is formed at side panel 34, makes
The gas obtaining high temp/high pressure state is not directly discharged to passenger by main passage 35.
On the other hand, on airbag cushion 30, side panel 34 is not simply formed with main passage
35, it is also formed with passage 36, opening and closing device 40 is incorporated into airbag cushion 30, so as to envelope
Close or open passage 36.That is, opening and closing device 40 one end is while covering passage 36, sews up
In the inner side of side panel 34, the other end is incorporated into gas generator 50.
Wherein, gas generator 50 is identical with inflator 20, is filled with occurring the gas of gas
Body generation medium, according to the control signal of controller (not shown), described gas generation medium
Explode and produce gas.Then, if produce gas, then gas in the inside of gas generator 50
Generator 50 separates with opening and closing device 40 by means of internal air pressure.
Opening and closing device 40 is incorporated into airbag cushion 30, so as to close or open passage 36.
Airbag cushion 30 is in relaxed state before inflation, and airbag cushion 30 is to expand into both sizings
Time the length that can tighten formed.
Therefore, when airbag cushion 30 is expanded to both sizings, if gas generator 50 is not produced
Angry body, then opening and closing device 40 keeps the state being combined with gas generator 50, tightens and keeps envelope
Close the state of passage 36.On the contrary, when airbag cushion 30 is expanded to both sizings, if gas
Body generator 50 produces gas, then opening and closing device 40 separates from gas generator 50, is in loose
State so that passage 36 can be opened.
Then, opening and closing device 40, not in the case of gas generator 50 separates, closes passage
36, in the case of separating from gas generator 50, make passage 36 open, but be not limited to
This.That is, the structure of opening and closing device 40 can opened by those skilled in the art's deformation implementation
Close device 40 not in the case of gas generator 50 separates, open passage 36, at opening and closing device
40, in the case of gas generator 50 separates, make passage 36 close.Below, it is defined in opening and closing
Device 40 is not close passage 36 in the case of gas generator 50 separates, sending out from gas
Raw device 50 is opened the structure of passage 36 and is illustrated in the case of separating.
Opening and closing device 40 includes: vent cap 42, and it is while covering passage 36, suturing part
42a is incorporated into the inner side of airbag cushion 30；Guide panel 48, it is incorporated into airbag cushion 30
In, guide vent cap 42；Frenulum 44, its one end is incorporated into vent cap 42；Combination member 46,
It is incorporated into the other end of frenulum 44, is incorporated into gas generator 50.
Guide panel 48 is while covering vent cap 42, and periphery is sutured in side panel 34, in conjunction with
In airbag cushion 30.
If gas generator 50 is not actuated, combination member 46 does not separates from gas generator 50,
So, the frenulum 44 that vent cap 42 is tightened by the expansion along with airbag cushion 30 pulls,
Do not protruded from the outside of airbag cushion 30 by passage 36, still keep closing passage 36
State.
If it addition, gas generator 50 starts, produce gas in the inside of gas generator 50,
So, combination member 46 by means of the air pressure within gas generator 50 from gas generator 50
Separate.Then, if combination member 46 separates from gas generator 50, though airbag cushion 30
Expanding, frenulum 44 is still in relaxed state, and therefore, vent cap 42 passes through passage 36 to peace
The outside protrusion of full air bag cushion 30, makes passage 36 open, the gas in airbag cushion 30
It is discharged to the outside.
Fig. 2 is to show vent cap 42 shown in Fig. 1 and the figure of frenulum 44, and Fig. 3 is display Fig. 1 institute
Show the figure of guide panel 48.
As shown in Figure 1 to Figure 3, vent cap 42 is to have the sufficient face that can cover passage 36
Long-pending flexibility material is formed, and periphery a part of suturing part 42a is incorporated into airbag cushion 30, one
Latasuture is together in one end of frenulum 44.Frenulum 44 is also constituted with flexibility material, so as to by seam
Close and be incorporated into vent cap 42.Vent cap 42 is firmly sutured in airbag cushion 30, frenulum
One end of 44 is the most firmly sutured in vent cap 42, in order to drawn by frenulum 44 at vent cap 42
In the case of Dong, vent cap 42 is made not separate from airbag cushion 30.
Guide panel 48 is constituted to have flexibility material more greater area of than vent cap 42, in order to
At combination member 46 in the case of gas generator 50 separates, vent cap 42 is in guide panel
Move in 48, it is possible to by passage 36 to the outside protrusion of airbag cushion 30.
A guide panel 48 periphery part is combined suturing part 48b in airbag cushion 30.Wherein,
If only a part for guide panel 48 periphery carries out sewing up the reason of 48b is for combination member
46 separate from gas generator 50, then make vent cap 42 can pass through passage 36 to substitute
The outside protrusion of capsule pad 30.That is, frenulum 44 is displaceably, by guide panel 48
The gap of the part and airbag cushion 30 that are not sutured in airbag cushion 30 configures, thus such as
Really frenulum 44 is in relaxed state, then vent cap 42 can be by means of in airbag cushion 30
Air pressure and by passage 36 to outside protrude.
Guide panel 48 is formed the intercommunicating pore 48a connected with passage 36.Intercommunicating pore 48a
And passage 36 is provided with vent cap 42 between, it is configured at position opposite each other.Therefore,
Passage 36 and intercommunicating pore 48a mutually cut off by means of vent cap 42.If vent cap 42
By passage 36 to the outside protrusion of airbag cushion 30, the most mutually communicate, thus substitute
Gas in capsule pad 30 can be discharged to outside by intercommunicating pore 48a and passage 36.
Fig. 4 is the isometric front view of air bag shell shown in Fig. 1 10, and Fig. 5 is the back side of Fig. 4
Axonometric chart, Fig. 6 is the exploded partial perspective view of Fig. 5, and Fig. 7 is frenulum 44, gas shown in display Fig. 4
Body generator 50 and the combination figure of lid 70.
As shown in Fig. 1 and Fig. 4 to Fig. 7, air bag shell 10 is formed with square tube shape, in order to
Airbag cushion 30 can be received.
Air bag shell 10, in order to be incorporated into vehicle body, is configured with side fixed mount 12 in both sides,
Downside is configured with downside fixed mount 14, is formed with hook portion 16 front and back.Side fixed mount 12 and under
Side fixed mount 14 is by bolt link in vehicle body, and hook portion 16 is in the upside of air bag shell 10
Being formed, hook is incorporated into vehicle body.
It is configured with an airbag cushion 30 in the inner side of air bag shell 10 to be incorporated into outside air bag
The seat ring 60 of shell 10.After seat ring 60 inserts the lower end of airbag cushion 30, stud 65 is permissible
The most through seat ring 60, airbag cushion 30, air bag shell 10 and inflator 20 are carried out even
Knot.It is of course also possible to after being the lower end outside that seat ring 60 is arranged to surround airbag cushion 30, double
The most through airbag cushion of hook bolt 65 30, seat ring 60, air bag shell and inflator 20
Link.
The head of inflator 20 is through seat ring 60 behind the insertion inside, downside of air bag shell 10,
It is thus possible to it is internal to be configured at airbag cushion 30.
Gas generator 50 is incorporated into seat ring 60 by lid 70.That is, lid 70 and gas generator 50
In conjunction with, it is incorporated into seat ring 60.
Lid 70 includes joint portion 76, main part the 72, the 1st joint portion the 74 and the 2nd.
Main part 72 is formed for the insertion hole 72a that the lower end of gas generator 50 is inserted in inner side,
Outside is inserted in air bag shell 10.
1st joint portion 74 is protruded to upside from main part 72, and elasticity is mounted on gas generator 50
Both sides, thus gas generator 50 is incorporated into lid 70 so that move the most along its length.
2nd joint portion 76 is protruded from the both sides of main part 72, elastic mounting after inserting seat ring 60,
So that lid 70 can be incorporated into seat ring 60.
Air bag shell 10 is formed for the 1st through hole 18 that main part 72 inserts.That is,
The main part 72 of lid 70 is inserted on air bag shell 10 the 1st through hole 18 formed, thus
Make not move to radial direction.
Seat ring 60 is formed for the 2nd through hole 62 that the 1st joint portion 74 is inserted.That is, the 1st
Joint portion 74 is mounted on the state of gas generator 50 both sides with elasticity, with gas generator 50 1
With inserting the 2nd through hole 62.
It addition, on seat ring 60, from described 2nd through hole 62, be formed for the 2nd in both sides
The 3rd through hole 64 that joint portion 76 is inserted.
The lower end of frenulum 44 is incorporated into the upside of gas generator 50 by combination member 46.In conjunction with
Component 46 can be incorporated into the gas formed with iron and steel material quality send out with the lower end of the frenulum 44 of through softness
The upside of raw device 50.Such as, combination member 46 can use rivet.
Fig. 8 is the figure showing gas generator shown in Fig. 7, and Fig. 9 is gas generator shown in Fig. 8
Start figure.
As shown in Figure 7 to 9, in the upside of gas generator 50, it is formed and opening and closing device 40
In conjunction with fracture 55.That is, there is combination member 46 at fracture 55 Intercalation.At fracture 55
It is formed with the geosutures 57 ruptured in internal air pressure.Geosutures 57 are by gas generator
A part on the upside of in the of 50 is cut and is formed so that if gas generator 50 starts, in gas generator
The inside of 50 produces gas, then geosutures 57 can break because of the internal gas pressure of gas generator 50
Split.Therefore, if producing gas in gas generator 50, then geosutures 57 are sent out by means of gas
Giving birth to the gas pressure within device 50 and rupture, therefore, fracture 55 is opened on the basis of geosutures 57
Open, separate with the combination member 46 as one of opening and closing device 40, thus regulation airbag cushion 30
The response of opening and closing device 40 launching pressure and reliability be improved.
The periphery of the adjacent combination member 46 inserting fracture 55 of geosutures 57, at combination member 46
Periphery outside with radial configuration so that be inserted in fracture 55 combine combination member can be fast
Speed separates.But, the shape of geosutures 57 adjoins outside the combination member 46 inserting fracture 55
Week, can be with diversely deformation implementations such as circular, oval, star and rhombuses.
It addition, in the both sides of gas generator 50, be formed for covering the 1st joint portion 74 bullet of 70
Property mounting end-edge part 54.
Figure 10 is the major part isometric front view of the air bag device of the present invention the 2nd embodiment,
Figure 11 is the rear isometric view of Figure 10, and Figure 12 is the exploded partial perspective view of Figure 10.Wherein, right
In the part identical with aforesaid 1st embodiment, using identical reference numeral, that omits it is detailed
Describe in detail bright, difference is only described.
The air bag device and the aforementioned 1st of the present invention the 2nd embodiment is understood with reference to Figure 10 to Figure 12
The difference of embodiment.
That is, in the 1st embodiment, combination member 46 forms one, is incorporated into after through frenulum 44
Fracture 55, in this 2nd embodiment, combination member 46 forms two, including: the 1st combines
Component 46a, it is incorporated into the other end of frenulum 44；2nd combination member 46b, its through 1st knot
Close component 46a, be incorporated into fracture 55, the 1st combination member 46a is incorporated into gas generator 50.
So, if combination member 46 is by the 1st combination member 46a and the 2nd combination member 46b shape
Become, then, compared with the 1st embodiment, it is possible to prevent whether frenulum 44 from opening with gas generator 50
Move and independently separate from combination member 46.
1st combination member 46a includes: frenulum joint portion 46d, and it is formed for frenulum 44 other end
The combined hole 46c of Intercalation；Bending section 46e, it bends from frenulum joint portion 46d, in order to energy
Enough it is incorporated into fracture 55, through for the 2nd combination member 46b.
It addition, in aforementioned 1st embodiment, gas generator 50 is incorporated into seat ring 60, but at this
In 2nd embodiment, including the installing plate 80 of side gas generator 50 being incorporated into seat ring 60.
Installing plate 80 includes: seat ring joint portion 82, and it is incorporated into the side of seat ring 60；Gas occurs
Device joint portion 84, it bends from seat ring joint portion 82, and supplied gas generator 50 combines.
It addition, lid 70 is combined with gas generator 50, it is incorporated into installing plate 80.
Lid 70 includes: main part 72, and its lower end being formed for gas generator 50 in inner side is inserted
Insertion hole 72a, outside is inserted in installing plate 80；1st joint portion 74, it is from main part 72
Periphery, upside is protruded, the upside of contiguity installing plate 80；2nd joint portion 76, it is from the 1st joint portion
74 leave to downside, protrude from the periphery, upside of main part 72, the downside of contiguity installing plate 80.
1st joint portion 76, joint portion the 74 and the 2nd is alternatively formed, mutually along the periphery of main part 72
The configuration of orthogonal ground.
Installing plate 80 is formed for covering the through hole 85 of 70 insertions with ellipse, if lid
70 insert and rotate after through holes 85, then the upside of installing plate 80 is touched in the 1st joint portion 74, and the 2nd
The downside of installing plate 80 is touched in joint portion 76, thus covers 70 and can be incorporated into installing plate 80.
Referring to Figure 13 to Figure 16, examine or check the air bag dress of the embodiment of the present invention as constructed as above
The action put.
Figure 13 be in the air bag device showing the embodiment of the present invention gas generator 50 start before
Profile, Figure 14 is the startup figure of Figure 13, and Figure 15 is the air bag showing the embodiment of the present invention
In device airbag cushion 30 expand, gas generator 50 not actuated time profile, Tu16Shi
Show that in the air bag device of the embodiment of the present invention, airbag cushion 30 expands, gas generator 50
Profile during startup.
First, as shown in FIG. 13 and 14, the inside in gas generator 50 is configured with according to control
The signal of device (not shown) processed and explode the 1st propelling material 51, push away by means of the 1st time
Enter the blast of agent 51 and the 2nd secondary propellant 53 of the concurrent angry body that explodes.Wherein, described controller
Gas generator 50 is not started, passenger by airbag cushion at the expansion initial stage of airbag cushion 30
30 time points surrounded make gas generator 50 start.
Certainly, described controller utilize perception be seated at co-pilot seat passenger bear a heavy burden sensor or perception
The signal of the sensor of the static capacity of passenger, distinguish passenger kind (such as, baby, child,
Adult that body is less and the bigger adult of body), decide whether to start gas generator 50, thus
Different airbag cushions 30 can be applied pressure is launched according to the kind of passenger.It addition, described control
Device processed utilizes perception to be seated at the sensor of passenger position of co-pilot seat, according to passenger and airbag cushion
The distance of 30, decides whether to start gas generator 50 such that it is able to answer according to the position of passenger
Expansion pressure with different airbag cushions 30.
Described controller both can be for controlling air bag device and to be configured at the ACU of automobile
(Airbag Control Unit, safety air sac controller), it is also possible to be to be equipped with described ACU function
ECU(Electronic Control Unit, electronic-controlled installation).
Gas generator 50 as shown in figure 13, is incorporated into the state of fracture 55 at combination member 46
Under, if producing gas according to the control signal of described controller, then, geosutures 57 are because of interior
The gas pressure in portion and damaged, fracture 55 opens as shown in figure 14, so that combination member 46
Separate.
As shown in Figure 15 and Figure 16, if automobile has an accident, then according to the control of described controller
Signal, inflator 20 produces gas, is filled with in airbag cushion 30, thus airbag cushion 30
Start to expand and launch.
If expansion initial stage of airbag cushion 30 or be seated at the kind of co-pilot seat passenger and position not
With when need to improve airbag cushion 30 expansion pressure, the most described controller must expand at airbag cushion 30
During be controlled making gas generator 50 not produce gas.Therefore, as shown in figure 15, open
Close device 40 not separate from gas generator 50, thus vent cap 42 keeps closing passage 36
State, the gas in airbag cushion 30 is not discharged by passage 30, so airbag cushion
The expansion pressure of 30 improves.
If it addition, the time point that surrounded by airbag cushion 30 of passenger or be seated at co-pilot seat passenger
Kind and position difference need to reduce airbag cushion 30 launch pressure time, the most described controller must peace
Full air bag cushion 30 is controlled making gas generator 50 produce gas during expanding.Therefore, as
Shown in Figure 16, opening and closing device 40 separates from gas generator 50, thus vent cap 42 by means of
Air pressure in airbag cushion 30 and protruded to airbag cushion 30 is outside by passage 36, peace
After gas in full air bag cushion 30 passes sequentially through intercommunicating pore 48a and passage 36, to vent cap 42
Both sides discharge, so the expansion drops of airbag cushion 30.
As it has been described above, the air bag device of the present invention be formed with in gas generator 50 in
Air pressure inside and the geosutures 57 of breakage, by the opening and closing device 40 closing or opening passage 36
It is incorporated into the fracture 55 being formed with these geosutures 57, thus fracture 55 is by means of air pressure inside
Opening on the basis of geosutures 57, separate with opening and closing device 40, therefore, opening and closing device 40 is at gas
Body generator 50 separates while starting, so improving the expansion pressure regulation to airbag cushion 30
Response and reliability, can not only regulate the expansion pressure of airbag cushion 30 at correct time point,
And expansion pressure can be reduced and regulate unsuccessfully probability.
Those skilled in the art are appreciated that the present invention can not change its skill
Art thought or must implement with other concrete forms on the premise of feature.Therefore, the enforcement of above description
Example is the most only interpreted as example, and non-limiting.The scope of the present invention should be interpreted that, is not
Showed by above-mentioned detailed description, but showed by claims described later, the meaning of claims
And the form of scope and all changes derived by its impartial concept or deformation is contained in the present invention's
In the range of.
Claims (13)
1. an air bag device, it is characterised in that including:
Airbag cushion, it expands after gas flows into, and is formed for the passage that described gas is discharged；
Opening and closing device, it is incorporated into described airbag cushion, so as to close or open described ventilation
Hole；And
Gas generator, it is combined with described opening and closing device, with described opening and closing while there is gas
Device separate, in order to enable described opening and closing device to close along with the expansion of described airbag cushion or
Open described passage；
Described gas generator is formed with the fracture being combined with described opening and closing device, at described fracture
Being formed with the geosutures ruptured in internal air pressure, described fracture is by means of internal air pressure
And open on the basis of described geosutures, separate with described opening and closing device；
Air bag shell, it is received for described airbag cushion；Seat ring, its described air bag
Pad is incorporated into described air bag shell；
Lid, it is combined with described gas generator, is incorporated into described seat ring；
Described lid includes:
Main part, the insertion hole that its lower end being formed for described gas generator in inner side is inserted, outward
Side is inserted in described air bag shell；
1st joint portion, it is from described main part to upside protrusion, and elasticity is mounted on described gas and occurs
The both sides of device；
2nd joint portion, it protrudes from the both sides of described main part, is inserted in described seat ring elastic extension
Connect.
Air bag device the most according to claim 1, it is characterised in that
Described opening and closing device includes:
Vent cap, it is incorporated in described airbag cushion while covering described passage；
Guide panel, it is formed with the intercommunicating pore connected with described passage, is incorporated into described substitute
In capsule pad, guide described vent cap；
Frenulum, its one end is incorporated into described vent cap；And
Combination member, it is incorporated into the other end of described frenulum, and is incorporated into described fracture.
Air bag device the most according to claim 2, it is characterised in that
Described vent cap at described combination member from described breaking portion from rear, by described passage
To the outside protrusion of described airbag cushion, the gas in described airbag cushion is discharged to the outside.
Air bag device the most according to claim 2, it is characterised in that
Described vent cap is configured between described airbag cushion and guide panel, makes described passage
And intercommunicating pore can mutually cut off or connect.
Air bag device the most according to claim 2, it is characterised in that
Described combination member inserts described fracture and is combined,
Described geosutures are configured at outside from the periphery of the described combination member inserting described fracture.
Air bag device the most according to claim 1, it is characterised in that
Described air bag shell is formed for the 1st through hole that described main part inserts；
Described seat ring is formed for the 2nd through hole that described 1st joint portion is inserted, from described the
2 through holes rise, and are formed for the 3rd through hole that described 2nd joint portion is inserted in both sides.
Air bag device the most according to claim 2, it is characterised in that
Described combination member includes: the 1st combination member, and it is linked to the other end of described frenulum；
2nd combination member, its through described 1st combination member is incorporated into described fracture, described
1st combination member is incorporated into described gas generator.
Air bag device the most according to claim 7, it is characterised in that
Described 1st combination member includes:
Frenulum joint portion, it is formed for the combined hole of other end Intercalation of described frenulum；
Bending section, it bends from described frenulum joint portion, so as to be incorporated into described fracture, supplies
Described 2nd combination member is through.
Air bag device the most according to claim 1, it is characterised in that also include:
Installing plate, its described gas generator is incorporated into described seat ring.
Air bag device the most according to claim 9, it is characterised in that
Described installing plate includes:
Seat ring joint portion, it is incorporated into the side of described seat ring；
Gas generator joint portion, it bends from described seat ring joint portion, ties for described gas generator
Close.
11. 1 kinds of air bag devices, it is characterised in that including:
Airbag cushion, it expands after gas flows into, and is formed for the passage that described gas is discharged；
Opening and closing device, it is incorporated into described airbag cushion, so as to close or open described ventilation
Hole；And
Gas generator, it is combined with described opening and closing device, with described opening and closing while there is gas
Device separate, in order to enable described opening and closing device to close along with the expansion of described airbag cushion or
Open described passage；
Described gas generator is formed with the fracture being combined with described opening and closing device, at described fracture
Being formed with the geosutures ruptured in internal air pressure, described fracture is by means of internal air pressure
And open on the basis of described geosutures, separate with described opening and closing device；
Air bag shell, it receives described airbag cushion；Seat ring, its described airbag cushion
It is incorporated into described air bag shell；
Installing plate, its described gas generator is incorporated into described seat ring；
Lid, it is combined with described gas generator, is incorporated into described installing plate；
Described lid includes:
Main part, the insertion hole that its lower end being formed for described gas generator in inner side is inserted, outward
Side is inserted in described installing plate；
1st joint portion, it protrudes in the periphery, upside of described main part, touches the upper of described installing plate
Side；
2nd joint portion, it leaves to downside from described 1st joint portion, in the upside of described main part
Periphery is protruded, and touches the downside of described installing plate.
12. air bag devices according to claim 11, it is characterised in that
Described 1st joint portion and the 2nd joint portion are alternatively formed along the periphery of described main part.
13. air bag devices according to claim 11, it is characterised in that
Described installing plate is formed for the oval through hole that described lid inserts, described lid is inserted
Being allowed to rotate after entering described through hole, the upside of described installing plate, institute are touched in the most described 1st joint portion
State the 2nd joint portion and touch the downside of described installing plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0059679 | 2012-06-04 | ||
| KR1020120059679A KR101875919B1 (en) | 2012-06-04 | 2012-06-04 | Airbag apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103448663A CN103448663A (en) | 2013-12-18 |
| CN103448663B true CN103448663B (en) | 2016-08-17 |
Family
ID=49731639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310185974.7A Active CN103448663B (en) | 2012-06-04 | 2013-05-20 | Air bag device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101875919B1 (en) |
| CN (1) | CN103448663B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016001142A1 (en) * | 2016-02-03 | 2017-08-03 | Trw Automotive Gmbh | Method for mounting an actuator assembly and gas bag module with a mounted actuator assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2159112A1 (en) * | 2007-06-18 | 2010-03-03 | Takata Corporation | Airbag, airbag device, and method of exhausting airbag |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6648371B2 (en) * | 2001-07-12 | 2003-11-18 | Delphi Technologies, Inc. | Variable venting air bag assembly |
| US6832778B2 (en) * | 2002-07-19 | 2004-12-21 | Delphi Technologies, Inc. | Air bag restraint including selectively operable venting elements |
| US6773030B2 (en) * | 2002-07-24 | 2004-08-10 | Trw Vehicle Safety Systems Inc. | Air bag with vent |
| JP2007261411A (en) * | 2006-03-28 | 2007-10-11 | Toyoda Gosei Co Ltd | Airbag device |
| JP5194579B2 (en) * | 2007-06-19 | 2013-05-08 | タカタ株式会社 | Air bag device and occupant restraint device |
| JP2010023592A (en) * | 2008-07-16 | 2010-02-04 | Toyoda Gosei Co Ltd | Airbag apparatus |
| JP4649508B2 (en) * | 2008-09-29 | 2011-03-09 | トヨタ自動車株式会社 | Airbag device for passenger seat |
-
2012
- 2012-06-04 KR KR1020120059679A patent/KR101875919B1/en active IP Right Grant
-
2013
- 2013-05-20 CN CN201310185974.7A patent/CN103448663B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2159112A1 (en) * | 2007-06-18 | 2010-03-03 | Takata Corporation | Airbag, airbag device, and method of exhausting airbag |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130136102A (en) | 2013-12-12 |
| KR101875919B1 (en) | 2018-07-09 |
| CN103448663A (en) | 2013-12-18 |
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