CN100581879C - Airbag and airbag apparatus - Google Patents
Airbag and airbag apparatus Download PDFInfo
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- CN100581879C CN100581879C CN200610009522A CN200610009522A CN100581879C CN 100581879 C CN100581879 C CN 100581879C CN 200610009522 A CN200610009522 A CN 200610009522A CN 200610009522 A CN200610009522 A CN 200610009522A CN 100581879 C CN100581879 C CN 100581879C
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- air bag
- extractor vent
- cover
- air extractor
- air
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Abstract
In order to realize a prompt development of an airbag without losing shock-absorbing characteristics, even in the airbag that is partitioned into a plurality of chambers in the inner part thereof, an inner part of an airbag (10) is partitioned into a first chamber (1) at a center, and a second chamber (2) surrounding the first chamber (1), by a first and a second inner panels (22A, 22B). In a rear panel (14), a venthole (18) for allowing the second chamber (2) to communicate with an outer part of the airbag (10) is provided. A lid member (60) covers the venthole (18) and is combined with a vicinity of the venthole (18) of a rear panel (14) by a tear seam (63). The lid member (60) is connected to the second inner panel (22B) by a tether (70). At an initial stage of an expansion of the airbag (10), the venthole (18) is covered with the lid member (60). When the airbag (10) is expanded more than the predetermined amount, the lid member (60) is stretched by a second inner panel (22B) via the tether (70) and torn off from the venthole (18) resulting in opening the venthole (18).
Description
Technical field
The present invention relates to a kind of being provided with by making gas flow out to the air bag that this outdoor absorbs the gas bleeders such as air extractor vent of impact from air bag in-to-in chamber, particularly a kind of internal separation is the air bag of a plurality of chambers.And, the present invention relates to a kind of airbag apparatus that is provided with this air bag.
Background technology
Air extractor vent is set on air bag, during air bag after automotive occupant etc. bangs into expansion, can absorbs the impact that is applied on the automotive occupant etc. via this air extractor vent from inner outflow of air bag by making gas, this technology is well-known.
The spy opens the 2000-16228 communique and put down in writing following a kind of air bag: before air bag in-to-in air pressure reached authorized pressure, air extractor vent tegmentum parts covered, in case described air pressure surpasses authorized pressure, then pushed described cover open, so that air extractor vent opens wide.
In addition, in this communique example the operator's seat of vehicle air bag.The air bag of this communique is sewed up the circumference of two circular sheet materials (sheet) each other and is formed, its 1 chamber of whole formation.Opposite side with the automotive occupant side at this air bag is provided with air extractor vent, and is provided with the cover that covers this air extractor vent.
In the air bag of this communique, when this airbag inflation,, flow out from this air extractor vent so that suppress gas because before the air bag air pressure inside surpassed authorized pressure, air extractor vent tegmentum parts covered, so air bag inside becomes high pressure rapidly, air bag promptly launches.
Because in case the air bag air pressure inside surpasses authorized pressure, then push cover open and air extractor vent is opened wide, in the time of in the air bag after automotive occupant bangs into this expansion, flow out from air bag is inner via this air extractor vent, absorb the impact that is applied on the automotive occupant by making gas.
Patent documentation 1: the spy opens the 2000-16228 communique
Summary of the invention
Even the objective of the invention is to internal separation is a plurality of chambers, air bag is launched rapidly with also can can't harm impact-absorbing characteristics.
The air bag of technical scheme 1, its internal separation is a plurality of chambers, and have by making gas absorb the gas bleeder of impact to this outdoor outflow from least 1 chamber, it is characterized in that: comprise restraint device, this restraint device is used for this gas bleeder effluent air of restricted passage, expand into more than the specified degree until this chamber.
The air bag of technical scheme 2 in technical scheme 1, is characterized in that: described gas bleeder is an air extractor vent; Described restraint device is a cover, and described cover seals this air extractor vent or reduces its aperture, expand into more than the specified degree until described chamber, when this chamber expand into specified degree when above, then removes sealing or increases its aperture.
The air bag of technical scheme 3 in technical scheme 2, is characterized in that: this cover covers this air extractor vent, and is combined near this air extractor vent and can removes this combination; Being provided with this internal separation in air bag inside is the sheet of a plurality of chambers, and this sheet is connected with this cover; When airbag inflation was above to specified degree, then cover was stretched by this sheet, and this cover is disengaged with near the combining of described air extractor vent, and this air extractor vent is disengaged sealing or aperture increase thus.
The air bag of technical scheme 4 in technical scheme 2, is characterized in that: this cover covers this air extractor vent; Being provided with this internal separation in air bag inside is the sheet of a plurality of chambers, and this sheet is connected with this cover; When airbag inflation was above to specified degree, then this cover was stretched by this sheet and retreats from this air extractor vent, and this air extractor vent is disengaged sealing or aperture increase thus.
The air bag of technical scheme 5 in technical scheme 4, is characterized in that: this air extractor vent extends on the direction of retreat of this cover more longways.
The air bag of technical scheme 6 in technical scheme 1, is characterized in that: described gas bleeder is to have the groove shape on opposed 1 pair of long limit or the air extractor vent of slotted hole shape; Being provided with this internal separation in air bag inside is the sheet of a plurality of chambers, and this sheet is connected with the centre portion on a described long limit of this air extractor vent; When airbag inflation was above to specified degree, then this centre portion was stretched by this sheet, and this air extractor vent aperture is increased.
The airbag apparatus of technical scheme 7 comprises air bag and the airbag apparatus that is used for to the charging blower of this air bag supply gas, and it is characterized in that: this air bag is each described air bag in the technical scheme 1～6.
The airbag apparatus of technical scheme 8, comprise internal separation be a plurality of chambers air bag, install this air bag retainer, be arranged on this retainer and the gas bleeder that is communicated with 1 described chamber at least and to the charging blower of this air bag supply gas, by being flowed out via this gas bleeder from this chamber, gas absorbs impact outside air bag, it is characterized in that: comprise restraint device, this restraint device is used for this gas bleeder effluent air of restricted passage, expand into more than the specified degree until this chamber.
The airbag apparatus of technical scheme 9 in technical scheme 8, is characterized in that: described gas bleeder is arranged on the opening on the described retainer; Described restraint device is a cover, and described cover seals this opening or reduces its aperture, expand into more than the specified degree until described chamber, when described chamber expand into specified degree when above, then removes sealing or increases its aperture.
The airbag apparatus of technical scheme 10 in technical scheme 9, is characterized in that: this cover covers this opening; Be provided with the cover mobile device, when this airbag inflation was above to specified degree, described cover mobile device moved this cover and opens wide this opening or increase its aperture.
The airbag apparatus of technical scheme 11 in technical scheme 10, is characterized in that: this cover mobile device has this cover is applied air pressure and gas generator that this cover is moved.
The invention effect
In the present invention, air bag inside is divided into a plurality of chambers, and comprises by making gas make the gas bleeder that absorbs impact to these outdoor (outside the air bag or other chambers) outflow from least 1 chamber.
In the air bag and airbag apparatus of technical scheme 1,7, because before this chamber expand into more than the specified degree, restricted passage gas bleeder effluent air so this chamber becomes high interior the pressure rapidly, promoted the expansion of (acceleration) air bag.And, in case, then remove this restriction,, thereby can absorb impact fully so gas indoor flows out to that this is outdoor by this gas bleeder from this because this chamber expand into more than the specified degree.
In technical scheme 2, this gas bleeder is an air extractor vent, this air extractor vent is provided with cover, described cover is before above-mentioned chamber expand into more than the specified degree, seal this air extractor vent or reduce its aperture, in case above-mentioned chamber expand into more than the specified degree, then described cover is removed described sealing or is increased its aperture.In this case, adopt simple structure, can suppress gas and flow out from this chamber.
At this moment, shown in technical scheme 3, sheet and this cover that connection is divided air bag inside, when airbag inflation is above to specified degree, then cover is stretched by this sheet, and this cover is disengaged with near the combining of above-mentioned air extractor vent, thereby, when airbag inflation was above to specified degree, the closed state of this air extractor vent was removed reliably or the aperture of this air extractor vent increases.
In technical scheme 4, when airbag inflation was above to specified degree, the sheet that cover is used to air bag inside is divided stretched, and retreats from this air extractor vent.Thus, when airbag inflation was above to specified degree, the closed state of this air extractor vent was removed reliably or the aperture of this air extractor vent increases.
At this moment, shown in technical scheme 5, extend more longways on the direction of retreat of this cover by making this air extractor vent, along with the expansion of air bag makes cover retreat from air extractor vent, it is big that the aperture of air extractor vent (aperture area) also slowly becomes thereupon.Thus, swell increment that can corresponding air bag is just carried out meticulous control from air extractor vent effluent air amount to the aperture of air extractor vent.
In technical scheme 6, air extractor vent is the air extractor vent of groove shape or slotted hole shape.Before more than the specified degree, become less aperture at airbag inflation.In case thereby airbag inflation is to more than the specified degree, then, itself and another long limit is separated by the stretch centre portion on a long limit of this air extractor vent of the sheet that air bag inside is divided, the air extractor vent aperture increases.Similarly, under this form, can make air extractor vent when airbag inflation is above to specified degree, become big aperture by very simple structure equally.
The retainer that the airbag apparatus of technical scheme 8 is equipped with air bag is provided with the gas bleeder that is communicated with at least 1 chamber in this air bag.In this airbag apparatus, similarly, because before this chamber expand into more than the specified degree, to suppressing by gas bleeder effluent air, thereby this chamber becomes rapidly and presses in high, promotes the expansion of (acceleration) air bag.And, in case since this chamber expand into more than the specified degree, then remove described inhibition, thus by make gas via this gas bleeder from this indoor flowing out to outside the air bag, can absorb impact fully.
In technical scheme 9, this gas bleeder is arranged on the opening on the above-mentioned retainer, this opening is provided with cover, before above-mentioned chamber expand into more than the specified degree, described cover seals this opening or reduces its aperture, in case above-mentioned chamber expand into more than the specified degree, then described cover is removed described closed state or is increased its aperture.In this embodiment, can adopt simple STRUCTURE DEPRESSION from this chamber effluent air.
At this moment, shown in technical scheme 10, by the cover mobile device is set, can be when this airbag inflation be above to specified degree, open wide this opening reliably or increase its aperture, wherein, this cover mobile device is when airbag inflation is above to specified degree, this cover is moved, thereby open wide this opening or increase its aperture.
As mobile device, shown in technical scheme 11, utilize gas generator that this cover is applied air pressure and make the mobile device of the structure that this cover moves very easy, the mobile device of preferred this structure.In addition, the structure of mobile device is not limited thereto.
Description of drawings
Fig. 1 is air bag and the cutaway view of airbag apparatus in the airbag inflation process of embodiment;
Fig. 2 is air bag and the cutaway view of airbag apparatus when airbag inflation finishes of Fig. 1;
Fig. 3 is the air bag of Fig. 1 and the decomposition diagram of airbag apparatus;
Fig. 4 is the birds-eye view of sheet in the rear panel and the 2nd of air bag of Fig. 1;
Fig. 5 is the rear panel of the air bag among the embodiment and the birds-eye view of the 2nd interior sheet;
Fig. 6 is the rear panel of the air bag among another embodiment and the birds-eye view of the 2nd interior sheet;
Fig. 7 is the birds-eye view of the rear panel among the expression embodiment;
Fig. 8 is air bag and the cutaway view of airbag apparatus in the airbag inflation process among the embodiment;
Fig. 9 is air bag and the cutaway view of airbag apparatus when airbag inflation finishes of Fig. 8;
Figure 10 is the air bag of Fig. 9 and the decomposition diagram of airbag apparatus;
Figure 11 is the birds-eye view of rear panel of the air bag of Fig. 9;
Figure 12 is the air extractor vent decomposition diagram partly of the air bag of Fig. 8;
Figure 13 is the air extractor vent transparent view partly of the air bag of Fig. 8;
Figure 14 is the transparent view of the air extractor vent part of the air bag among the embodiment;
Figure 15 is the transparent view of the air extractor vent part of the air bag among the embodiment;
Figure 16 is the birds-eye view of the rear panel of the air bag among the embodiment;
Figure 17 is the air extractor vent transparent view partly of the air bag of Figure 16;
Figure 18 is air bag and the cutaway view of airbag apparatus in the airbag inflation process among the embodiment;
Figure 19 is air bag and the cutaway view of airbag apparatus when airbag inflation finishes of Figure 18;
Figure 20 is the air bag of Figure 18 and the decomposition diagram of airbag apparatus;
Figure 21 is the rear panel of Figure 18 air bag and the birds-eye view of the 2nd interior sheet;
Figure 22 is air bag and the cutaway view of airbag apparatus in the airbag inflation process among the embodiment;
Figure 23 is the cutaway view of airbag apparatus when airbag inflation finishes of Figure 22;
Figure 24 is the decomposition diagram of the airbag apparatus of Figure 22;
Figure 25 is the decomposition diagram of the retainer of the airbag apparatus among Figure 22;
Figure 26 is the transparent view of the retainer of the airbag apparatus among Figure 22;
Figure 27 is the birds-eye view of retainer of the airbag apparatus action of expression Figure 22;
Figure 28 is the birds-eye view of the retainer of expression Figure 22 airbag apparatus action;
Figure 29 is the birds-eye view of the retainer of expression Figure 22 airbag apparatus action;
Figure 30 is the cutaway view of the retainer of expression Figure 22 airbag apparatus action.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described.
Fig. 1 and Fig. 2 are the cutaway view of the automobile driver seat of the 1st embodiment with air bag and airbag apparatus.Fig. 3 is the decomposition diagram of this air bag and airbag apparatus.Fig. 4 is the rear panel of this air bag and the birds-eye view (exploded drawings) of the 2nd interior sheet.And Fig. 1 is illustrated in the state in the airbag inflation process, the state when Fig. 2 represents air bag collision end.
In this embodiment, air bag 10 is driver-seat airbags of vehicle.
This air bag 10 comprises the anter 12 that constitutes occupant's opposite face, constitute with the rear panel 14 of the outside face of the opposite side of this occupant's opposite face, with the internal separation of air bag 10 be Room 1 the 1st and Room 2 the 2nd the 1st and the 2nd in sheet 22A, 22B, to make gas in the Room 2 the 2nd flow out to air bag 10 exterior gas bleeders be air extractor vent 18, be used to limit from the restraint device of air extractor vent 18 effluent airs and be cover 60, cover 60 is connected tether 70 on the interior sheet 22B etc.
The diameter of this anter 12 and rear panel 14 is roughly the same, and their outer edge is sewed up by seam 15 each other and constituted pocket.This seam 15 along the periphery of anter 12 and rear panel 14 with circular around setting.This seam 15 is made of lignilite etc., but is not limited thereto.
Above-mentioned cover 60 is superimposed from inboard and this air extractor vent 18 of air bag 10.In this embodiment, cover 60 and reinforcement cloth 61 are set to one, stretch out with tongue-shaped to the outer circumferential side of rear panel 14 from the outer peripheral edges portion of this reinforcement cloth 61.
In the circumference of this cover 60, the edge part (from the edge part that stretches out the front on the direction of reinforcement cloth 61) of rear panel 14 outer circumferential sides, be combined on the rear panel 14 by tear line (low-intensity seam) 63, the fracture during tension force of this tear line 63 more than applying specified value and remove combination, be not combined on the rear panel 14 to 1 pair of marginal portion that these rear panel 14 outer circumferential sides extend from the outer peripheral edges portion of reinforcement cloth 61, can not rupture yet even apply above this seam 64 of tension force of specified value by seam (high strength seam) 64.
And, above-mentioned seam 15,62 and aftermentioned seam 23A, 23B, the 71st, the high strength seam identical with this seam 64 has the anchoring strength that also can not rupture when airbag inflation.
As shown in Figure 4, in this embodiment, each seam 64 is roughly extended to the radiation direction from the central side of rear panel 14 respectively, and at the central side of this rear panel 14, an end and above-mentioned seam 62 are converged.The outer peripheral edges portion of tear line 63 and rear panel 14 roughly is the concentric circles arcuation extends and is provided with, and two ends are converged with the other end of each seam 64 respectively.In addition, the other end of tear line 63 and each seam 64 separates with the seam 15 of the outer circumferential side of rear panel 14.Air extractor vent 18 is positioned at the inboard of these a series of seams 63,64,62,64.
But, the structure of this cover 60 and be not limited thereto with the integrated structure of rear panel 14.Cover 60 also can with the 61 split settings of reinforcement cloth.The full week of cover 60 is combined on the rear panel 14 by tear line 63.Each seam 63,64,62,64 also can be discontinuous.
In the 2nd, relatively be provided with the connected entrance 27 of Room 1 the 1st and Room 2 the 2nd on the sheet 22B with opening 24 ground near above-mentioned charging blower.And, in this embodiment, air extractor vent 28 in the 1st interior sheet 22A is provided with.
This charging blower of sheet 22B is superimposed with the circumference of the charging blower usefulness opening 16 of rear panel 14 with the circumference of opening 24 in the 2nd, and on the circumference of superimposed charging blower installing port 32 at retainer 30.And, by bolt insertion hole 26,20 circumference of each charging blower with opening 24,16 is fixed on the retainer 30.Thus, the circumference of the charging blower usefulness opening 24 of the 2nd interior sheet 22B links to each other with the circumference of the charging blower of rear panel 14 with opening 16, and the outer peripheral edges portion of the 1st and the 2nd interior sheet 22A, 22B is connected with each other, and the central portion of the 1st interior sheet 22A links to each other with anter 12.
By sheet 22A, 22B in the 1st and the 2nd with the internal separation of air bag 10 for Room the 1st of central authorities with surround Room 2 the 2nd of Room 1 the 1st.Room 1 the 1st is in the inboard of interior sheet 22A, 22B.
In this embodiment, connected entrance 27 is formed on by charging blower and is arranged on the gas emission direction extended line of the aftermentioned charging blower 36 in the Room 1 the 1st with opening 16,24, promptly is formed on the position with the gas vent 36a face-off of this charging blower 36.
In this embodiment, as shown in Figure 3, respectively the circumferential equal intervals of air bag 4 connected entrances 27 and interior air extractor vent 28 be set.And, each connected entrance 27 and the center of interior air extractor vent 28 at the phase deviation air bag 10 that makes progress in week.
But the quantity and the configuration mode of these connected entrances 27 and interior air extractor vent 28 are not limited thereto.For example, all connected entrances 27 and the gas vent 36a of charging blower 36 are stood facing each other, also can make a part of connected entrance 27 and gas vent 36a face-off.Can there be not connected entrance 27 with gas vent 36a face-off.
In addition, can on the circumference of opening 24 and each connected entrance 27, air extractor vent 18,28, reinforcement cloth etc. be set.
In this embodiment, the 2nd interior sheet 22B links to each other by tether 70 with cover 60.And in this embodiment, sheet 22B is wholely set in this tether 70 and the 2nd, and an end links to each other with the outer peripheral edges portion of sheet 22B in the 2nd.The other end of this tether 70 is bonded in the cover 60, is combined near the edge portion (this edge part being called in conjunction with removing predetermined edge portion hereinafter) on the rear panel 14 by tear line 63 by seam 71.
But this tether 70 can be set to one with the 1st interior sheet 22A and cover 60, also can be provided with their splits.And tether 70 also can be connected in each on position outside outer peripheral edges portion among sheet 22A, 22B.
Central authorities at the retainer 30 that is used to install this air bag 10 are provided with charging blower installing port 32, are provided with bolt insertion hole 34 around it.
Charging blower 36 is roughly cylindrical, and the lateral circle surface of its cylinder axis direction front is provided with gas vent 36a.In this embodiment, circumferentially be provided with 4 this gas vent 36a equally spacedly along charging blower 36.Charging blower 36 sprays gas from these gas vents 36a along the radiation direction.The lateral circle surface of the centre portion from the cylinder axis direction of this charging blower 36 (lean on than this gas vent 36a after rear end side), outstanding being provided with charging blower clamping flange 38.This flange 38 is provided with bolt insertion hole 40.The front of this charging blower 36 is inlaid on the charging blower installing port 32.
When being installed to air bag 10 on the retainer 30, be pressed on the circumference of this charging blower installing port 32 with the circumference of opening 16,24 by the charging blower of pressure ring 42 with sheet 22B in rear panel 14 and the 2nd.Be inlaid in the front of the inflation 36 on this charging blower installing port 32, be inserted in the Room 1 the 1st with opening 16,24 by this charging blower.The gas vent 36a of these charging blower 36 front respectively with the 2nd in each connected entrance 27 face-offs of sheet 22B.
At this moment, the thru-bolt 44 of pressure ring 42 is passed bolt insertion hole 26,20,34,40, and be screwed into nut 46, thereby sheet 22B, air bag 10 and charging blower 36 in the 2nd are fixed on the retainer 30 at the front end of this bolt 44.And, air bag 10 is folded, for the folded formation that covers air bag 10 is installed to module cover 48 on the retainer 30, thereby constitute airbag apparatus.This airbag apparatus is arranged on the automobile steering wheel 50.
When collision happens etc., charging blower 36 moves, ejection gas in air bag 10.Air bag 10 expands by this gas and pushes module cover 48 open, and in the indoor expansion of car, so that the operator's saddle occupant is protected.
In this air bag 10, in the starting stage of expanding, 60 sealings of air extractor vent 18 tegmentum parts because gas does not flow out from this air extractor vent 18, are pressed so Room 2 the 2nd becomes rapidly in the height, and air bag 10 launches rapidly.
Particularly, in this embodiment, because connected entrance 27 is arranged on the extended line of gas emission direction of charging blower 36, so the gas from this charging blower 36 sprays near this connected entrance 27 with linearity, and flow in the Room 2 the 2nd from connected entrance 27, thereby the ejection gas of charging blower 36 is fed directly in the Room 2 the 2nd, and Room 2 the 2nd extremely promptly becomes presses in high.Thereby, further quicken the expansion of air bag 10.
As shown in Figure 1, when air bag 10 expand into specified amount, the combination of sheet 22B and cover 60 was removed between the predetermined edge portion in the 2nd, and tether 70 becomes nervous tight state.Thereby when air bag 10 further expanded, as shown in Figure 2, tear line 63 fractures should be peeled off in conjunction with removing predetermined edge portion and rear panel 14, and air extractor vent 18 opens wide.
In the time of in automotive occupant bangs into this air bag 10, gas flows out from Room 1 the 1st to Room 2 the 2nd by interior air extractor vent 28, and gas flows to the outside of air bag 10 by air extractor vent 18 from Room 2 the 2nd, so that absorb the impact that is applied on this automotive occupant.
In the above-described embodiments, though interior sheet 22B is connected by 1 tether 70 with cover 60, also can connect by the tether more than 2 70.
In the 2nd embodiment shown in Figure 5, circumferentially keep spacing ground to give prominence to from the outer peripheral edges portion of interior sheet 22B along it and be provided with 2 tethers 70, the front end of each tether 70 be sewn to respectively cover 60 in conjunction with on half and second half removed on the bearing of trend of being scheduled to edge portion.
In the above-described embodiments, though only be provided with 1 air extractor vent 18, also can be provided with 2 with upper vent hole.At this moment, the air extractor vent more than 2 is covered by 1 cover.
In the 3rd embodiment shown in Figure 6, half of rear panel 14 is provided with 2 air extractor vents 18,18, and second half is provided with 1 air extractor vent 18. Air extractor vent 18,18 on this half is upwards keeping spacing ground in abutting connection with being provided with in the week of rear panel 14.In this embodiment, the air extractor vent 18,18 on this half is covered by 1 cover 60, and the air extractor vent 18 on second half is covered by other covers 60.
This half cover 60, the wider width that makes progress in 14 weeks of rear panel, and in being connected by 2 tethers 70 that upwards keep spacing ground to be provided with in week on the sheet 22B.Half is narrow than this for the width of second half cover 60, in being connected by 1 tether 70 on the sheet 22B.
Certainly, the quantity of air extractor vent 18, cover 60 and tether 70 and configuration mode also can adopt other forms.
In above-mentioned each embodiment, on the exterior air extractor vent 18 that is communicated with Room 2 the 2nd and air bag 10, cover 60 is set, but also can on the interior air extractor vent 28 that is communicated with Room 1 the 1st and Room 2 the 2nd, cover be set.
Cover 60 be not limited to tear line in conjunction with removing the combining device of predetermined edge portion with rear panel 14, it is bonding for example also can to use the adhesive agent that hangs down bonding force or leakproofing material etc. to carry out.And, also can engage by low intensive braiding etc.Cover 60 also can be combined on rear panel 14 and the anter 12 simultaneously.
Before air bag 10 expand into specified amount, cover covered air extractor vent partly, when airbag inflation is above to specified degree, then strengthened the aperture of this air extractor vent.
For example, the cover 60A of the 4th embodiment as shown in Figure 7 is such, on the overlapping part of rear panel and air extractor vent 18, the assisted ventilation hole 18S that is made of less than the opening of this air extractor vent 18 diameter can be set.All the time be communicated with outward with air bag by described air extractor vent 18 and assisted ventilation hole 18S in the air bag.Other structures of Fig. 7 are same as the previously described embodiments.
In the starting stage that air bag 10 expands, when the occupant contacted with air bag 10, the gas in the air bag 10 flowed out by assisted ventilation hole 18S, impacted so that absorb.When air bag 10 expand into specified degree when above, same as the previously described embodiments, cover 60A is stretched by tether 70 and is stripped from, so air extractor vent 18 opens wide.
When being provided with a plurality of air extractor vent, cover can be arranged on all air extractor vents, can cover be arranged on all air extractor vents yet.
Fig. 8 and Fig. 9 are respectively that air bag among the 5th embodiment and airbag apparatus are in the airbag inflation process and the cutaway view of air bag when finishing to expand, Figure 10 is the decomposition diagram of this air bag and airbag apparatus, Figure 11 is the birds-eye view of the rear panel of this air bag, Figure 12 is the decomposition diagram of the air extractor vent part of this air bag, and Figure 13 (a), Figure 13 (b) are respectively air extractor vent sealing and air extractor vent this air extractor vent transparents view partly when opening wide.
The driver-seat airbag 10A of this embodiment also comprises: constitute occupant's opposite face anter 12, constitute with the rear panel 14 of the outside face of the opposite side of this occupant's opposite face, with the internal separation of this air bag 10 be Room 1 the 1st and Room 2 the 2nd the 1st and the 2nd in sheet 22A, 22B, to make gas flow out to air bag 10 exterior gas bleeders in the Room 2 the 2nd be air extractor vent 18, limit from the restraint device of air extractor vent 18 effluent airs is cover 60B etc.
The air bag 10 of the configuration mode of these sheets 12,14,22A, 22B and integrated structure each other etc. and above-mentioned Fig. 1～shown in Figure 4 is identical, and omits the explanation to them.Similarly, in this embodiment, air extractor vent 18 is arranged on the charging blower of these rear panel 14 central authorities with between the circumference (being installed in the reinforcement cloth 61 on this circumference) of opening 16 and the periphery of this rear panel 14 (seam 15 that the outer peripheral edges portion of this rear panel 14 and anter 12 is sewed up each other).
In this embodiment, cover 60B is the strip-shaped parts of stretching out from the outer circumferential radiation direction of the 2nd interior sheet 22B.This cover 60B is erected between the 2nd interior sheet 22B and the rear panel 14, and its front covers air extractor vent 18.In this embodiment, the front of this cover 60B is not combined on the rear panel 14.
Front and the skew of air extractor vent 18 occurrence positions in order to prevent this cover 60B are provided with guide 80.In this embodiment, this guide 80 is made of cloth or resin sheet etc., and be provided with overlappingly with the front of this cover 60B, the both end sides on crisscross with bearing of trend of this cover 60B is sewn to respectively on the rear panel 14 (near the part of air extractor vent 18), the seam of label 81,81 these stitchings of expression.The front of cover 60B can be inserted logical being arranged between this guide 80 and the rear panel 14 with being free to slide.
And, on this guide 80, be provided with and this air extractor vent 18 opening 82 that size is roughly the same and shape is identical with air extractor vent 18 position overlapped.
In this embodiment, be provided with the extension 65 that stretches out to the direction of intersecting with this cover 60B from the front of cover 60B.Owing to be provided with this extension 65, so only otherwise powerful stretching cover 60B, cover 60B just can not extract from guide 80.
Other structures of this embodiment and Fig. 1～embodiment illustrated in fig. 4 identical, in Fig. 8～Figure 13, the label identical with Fig. 1～Fig. 4 represented identical part.
Similarly, in this air bag 10A, in the starting stage of expanding, air extractor vent 18 tegmentum parts 60B sealing, because gas does not flow out from this air extractor vent 18, so when charging blower 36 carry out gas ejection operation and beginning in air bag 10A during supply gas, become rapidly in the air bag 10A and press in high, the air bag 10A expansion of promptly expanding.
When this air bag 10A expand into specified amount when above, shown in Fig. 8, Fig. 9, Figure 13 (a) and Figure 13 (b), cover 60B is stretched by sheet 22B in the 2nd and extracts between guide 80 and rear panel 14, and air extractor vent 18 is opened wide.
In this embodiment, though only be provided with 1 air extractor vent 18, also can be provided with 2 with upper vent hole 18.At this moment, also cover 60B can be arranged on all air extractor vents, also can cover 60B be arranged on all air extractor vents.
In order to keep the covering state of this cover 60B to air extractor vent 18 at airbag inflation before more than the specified degree, guide 80 also can adopt other structures.For example the material of this guide also can adopt the material outside cloth or the resin sheet.Guide 80 also can be combined in by the combination beyond sewing up on the rear panel 14 (near the part the air extractor vent 18).The size and the shape that are arranged on the opening 82 on this guide 80 and air extractor vent 18 position overlapped also can be different with air extractor vent 18.In this embodiment, though the front of cover 60B is not bonded on the rear panel 14, for example also can carry out combination by the adhesives of low bonding forces such as leakproofing material.
In this embodiment, though sheet 22B is set to one in cover 60B and the 2nd, also can the split setting, and be installed on the 2nd interior sheet 22B by modes such as stitchings.At this moment, cover 60B can be installed in the 2nd on the position outside the sheet 22B periphery.This cover 60B can be arranged on the 1st interior sheet 22A.
When Figure 14 (a) and Figure 14 (b) are respectively the air extractor vent sealings of air extractor vent part of the air bag of expression among the 6th embodiment and the transparent view of air extractor vent when opening wide.
Similarly, in this embodiment, the air extractor vent 18 that is arranged on the rear panel 14 is covered by banded cover 60C.With above-mentioned cover 60B in the same manner, this cover 60C is erected at rear panel 14 and interior sheet 22A or 22B (in Figure 14, interior sheet 22A or 22B are omitted, with reference to Fig. 8 and Fig. 9), one distolateral (base end side) is connected on this interior sheet 22A or the 22B, and another distolateral (front) is superimposed with air extractor vent 18.
In this embodiment, be provided with the extension 66,66 that stretches out to the both sides on crisscross with this cover 60C bearing of trend from the front of this cover 60C respectively, the front that above-mentioned extension 66,66 stretches out on the direction is combined on the rear panel 14 (near the part of air extractor vent 18) by sewing up etc. respectively.The seam of label 67 these stitchings of expression.
The embodiment of other structures of this embodiment and Fig. 8～shown in Figure 13 is identical.
In this embodiment, before more than the specified degree, shown in Figure 14 (a), the front of cover 60C covers air extractor vent 18 at airbag inflation.Thereby when airbag inflation was above to specified degree, cover 60C was stretched by interior sheet 22A, 22B, thereby shown in Figure 14 (b), the front of cover 60C retreats from air extractor vent 18, makes air extractor vent 18 become opening-wide state.
When Figure 15 (a) and Figure 15 (b) are respectively the air extractor vent sealings of air extractor vent part of the air bag of expression among the 7th embodiment and the transparent view of air extractor vent when opening wide.
In this embodiment, the air extractor vent 18 that is arranged on the rear panel 14 is covered by banded cover 60D.With above-mentioned cover 60B, 60C in the same manner, this cover 60D is erected at rear panel 14 and interior sheet 22A or 22B (omitting diagram), on sheet 22A or the 22B, another distolateral (front) was superimposed with air extractor vent 18 in one distolateral (base end side) was connected.
Similarly, on the front of cover 60D, be provided with respectively extension 66A, the 66A that stretch out the both sides on crisscross with this cover 60D bearing of trend.In this embodiment, the front of this cover 60D (part that comprises extension 66A, 66A) is overlapping on the air extractor vent 18 under 180 ° of states that turn back of base end side, and each extension 66A, 66A are sewn on the rear panel 14 (near the part of air extractor vent 18) by seam 67.
Other structures of this embodiment and Fig. 8～embodiment illustrated in fig. 13 identical.
In the same manner, in this embodiment, before more than the specified degree, shown in Figure 15 (a), the front of cover 60D covers air extractor vent 18 at airbag inflation.Thereby when airbag inflation was above to specified degree, cover 60D was stretched by interior sheet 22A, 22B, and shown in Figure 15 (b), the front of cover 60D retreats from air extractor vent 18, and air extractor vent 18 becomes opening-wide state.
Figure 16 is the birds-eye view of the rear panel of the air bag among the 8th embodiment.When Figure 17 (a), Figure 17 (b) are respectively the air extractor vent sealings of air extractor vent part of this air bag of expression and the transparent view of air extractor vent when opening wide.
As shown in figure 16, in this embodiment, rear panel 14 is provided with the air extractor vent 18A of long hole shape.This air extractor vent 18A from the central side of this rear panel 14 to outer circumferential side, promptly extend more longways along rear panel 14 radial directions.
In the same manner, in this embodiment, air extractor vent 18A is covered by the cover 60E of band shape.This cover 60E and above-mentioned cover 60B～60D are erected between rear panel 14 and interior sheet 22A or the 22B (omitting diagram) in the same manner, and on sheet 22A or the 22B, another distolateral (front) was overlapping with air extractor vent 18A in one distolateral (base end side) was connected.The front of this cover 60E is extended setting on the bearing of trend of this air extractor vent 18A.In addition, in this embodiment, the front of this cover 60E is not combined on the rear panel 14.
In this embodiment, front and air extractor vent 18A offset in order to prevent this cover 60E are provided with guide 80A.This guide 80A and above-mentioned guide 80 (Fig. 8～Figure 13) in the same manner, constitute by cloth or resin sheet etc., and be provided with overlappingly with the front of this cover 60E, the both end sides on crisscross with bearing of trend of this cover 60E is sewn to respectively on the rear panel 14 (near the part of air extractor vent 18A), the seam of label 81,81 these stitchings of expression.The front of cover 60E can be inserted logical being arranged between this guide 80A and the rear panel 14 to the bearing of trend of this air extractor vent 18A with being free to slide.
And similarly, in this embodiment, this guide 80A is provided with and the basic identical and identical opening 82A of shape (length and width) of this air extractor vent 18 sizes with air extractor vent 18A position overlapped.
The embodiment of other structures of this embodiment and Fig. 8～shown in Figure 13 is identical.
In this embodiment, before more than the specified degree, shown in Figure 17 (a), the front of cover 60E covers whole air extractor vent 18A at airbag inflation.Thereby when airbag inflation was above to specified degree, cover 60E was stretched by interior sheet 22A, 22B and from extracting out between guide 80A and the rear panel 14, makes air extractor vent 18A become opening-wide state.
At this moment, shown in Figure 17 (b), because air extractor vent 18A extends more longways along the direction of retreat of this cover 60E, so along with the expansion of air bag, cover 60E retreats from air extractor vent 18A, the aperture of air extractor vent 18A (aperture area) slowly becomes greatly thereupon.Thereby, swell increment that can corresponding air bag, the aperture of controlling air extractor vent 18A more subtly is just from air extractor vent 18A effluent air amount.
Figure 18 and Figure 19 are respectively that air bag among the 9th embodiment and airbag apparatus are in the airbag inflation process and the cutaway view when airbag inflation finishes, Figure 20 is the decomposition diagram of this air bag and airbag apparatus, and Figure 21 is the rear panel of this air bag and the birds-eye view (decomposition view) of the 2nd interior sheet.
Similarly, the driver-seat airbag 10B of this embodiment also comprise the anter 12 that constitutes occupant's opposite face, constitute with the rear panel 14 of the outside face of the opposite side of this occupant's opposite face, with the internal separation of this air bag 10 be Room 1 the 1st and Room 2 the 2nd the 1st and the 2nd in sheet 22A, 22B, make gas flow out to air bag 10 exterior gas bleeders in the Room 2 the 2nd to be air extractor vent 18B, the edge portion of this air extractor vent 18B is connected to tether 70A on the 2nd interior sheet 22B etc.
The air bag 10 of the configuration mode of these sheets 12,14,22A, 22B and integrated structure each other etc. and above-mentioned Fig. 1～shown in Figure 4 is identical, and omits explanation.Similarly, in this embodiment, air extractor vent 18B is arranged on the charging blower of these rear panel 14 central authorities with between the circumference (being installed in the reinforcement cloth 61 on this circumference) of opening 16 and the periphery of this rear panel 14 (seam 15 that the outer peripheral edges portion of this rear panel 14 and anter 12 is sewed up each other).
In this embodiment, as shown in figure 21, this air extractor vent 18B is the air extractor vent of groove (slit) shape with the long limit of relative 1 couple.Air extractor vent 18B from the center side of this rear panel 14 to outer circumferential side, promptly the radial direction along this rear panel 14 extends.In this embodiment, the cover that covers air extractor vent 18B is not set.
The embodiment of other structures of this embodiment and Fig. 1～shown in Figure 4 is identical.
In this air bag 10B, the starting stage of expanding, air bag 10B becomes the groove shape, promptly becomes little aperture, because the effluent air amount is few from this air extractor vent 18B, so when charging blower 36 carries out gas ejection operation and beginning in air bag 10B during supply gas, become rapidly in the air bag 10B and press in high, the air bag 10B expansion of promptly expanding.
As Figure 18 and shown in Figure 19, when this air bag 10B expand into specified degree when above, the bearing of trend pars intermedia on the long limit of air extractor vent 18B is stretched by sheet 22B in the 2nd by tether 70A, separates with another long limit, and the aperture of air extractor vent 18B increases.
Though only be provided with 1 air extractor vent 18B in this embodiment, also can be provided with 2 with upper vent hole 18B.
In this embodiment, sheet 22B is set to one in the tether 70A and the 2nd, but also can the split setting, and is combined in this on sheet 22B by modes such as stitchings.At this moment, on the position in tether 70A can be arranged on outside the sheet 22B periphery.Tether 70A also can be arranged on the 1st interior sheet 22A.
Figure 22 and 23 is that airbag apparatus among the 10th embodiment is in the airbag inflation process and the cutaway view of airbag inflation when finishing, Figure 24 is the decomposition diagram of this airbag apparatus, Figure 25 is the decomposition diagram of the retainer of this airbag apparatus, Figure 26 is the transparent view of this retainer, and Figure 27～Figure 29 is respectively the birds-eye view of the retainer when representing ventilation with closure of openings, when end is opened wide out in unlimited process neutralization.Figure 30 (a)～Figure 30 (c) is respectively the cutaway view along the A-A line among Figure 27～Figure 29, B-B line, C-C line.
This airbag apparatus comprises: internal separation be Room 1 the 1st and the Room 2 the 2nd that surrounds Room 1 the 1st air bag 10C, install this air bag 10C retainer 30A, be arranged on that retainer 30A goes up and as the ventilation of the gas bleeder that is communicated with Room 2 the 2nd with opening 90, be used to limit from this ventilation and be cover 100, be used to make the charging blower 36 of this air bag 10C expansion etc. with the restraint device of opening 90 effluent airs.Similarly, in this embodiment, air bag 10C is the operator's seat of vehicle air bag.
Similarly, in this embodiment, air bag 10C also comprises the anter 12 that constitutes occupant's opposite face, constitutes with the rear panel 14 of the outside face of the opposite side of this occupant's opposite face, with the internal separation of this air bag 10 to be the 1st and the 2nd interior sheet 22A, 22B etc. of Room 1 the 1st and Room 2 the 2nd.
Identical with above-mentioned each embodiment, utilize seam 15 that the outer peripheral edges portion of this anter 12 and rear panel 14 is sewed up each other, thus the shell of the air bag 10C of structure pouch, portion is provided with sheet 22A, 22B in the 1st and the 2nd within it.The central portion of sheet 22A in the 1st (air bag 10C becomes the part of the occupant side end of sheet in the 1st when expanding) is sewn on the central portion of anter 12 by seam 23A, and the outer peripheral edges portion that is arranged on the 2nd interior sheet 22B of rear panel 14 1 sides is sewn in the outer peripheral edges portion of sheet 22A in the 1st by seam 23B.
In this embodiment, the central authorities in rear panel 14 are provided with towards the installation of retainer 30A opening 16A.Around this opening 16A, be provided for inserting the bolt insertion hole 20A of the thru-bolt 44 that leads to aftermentioned outside pressure ring 42A.And, these rear panel 14 1 sides the 2nd in the central authorities of sheet 22B be provided with charging blower with opening 24, around this opening 24, be provided for inserting the bolt insertion hole 26 of the thru-bolt 44 of the inboard pressure ring 42B of logical aftermentioned.This installs with the diameter of opening 16A bigger with opening 24 than charging blower.
At this inboard of using opening 16A is installed, keep the compartment of terrain to show concentric shape greatly charging blower opening 24 is set, this installation is pressed on the retainer 30A by big footpath pressure ring 42A with the circumference of opening 16A, and charging blower is pressed on the retainer 30A by path pressure ring 42B with the circumference of opening 24.Thus, the inside of air bag 10C is divided into Room 1 the 1st of central authorities (inboard of interior sheet 22A, 22B) and Room 2 the 2nd of encirclement Room 1 the 1st by the 1st and the 2nd interior sheet 22A, 22B.
In addition, in this embodiment, similarly, in the 2nd, on the sheet 22B, relatively be provided with the connected entrance 27 of Room 1 the 1st and Room 2 the 2nd with opening 24 ground near this charging blower.And, air extractor vent 28 in the 1st interior sheet 22A is provided with.Same as the previously described embodiments, connected entrance 27 is formed on by charging blower and is arranged on the gas emission direction extended line of the charging blower 36 in the Room 1 the 1st with opening 24, promptly is formed on the position with the gas vent 36a face-off of this charging blower 36.
In this embodiment, the retainer 30A that this air bag 10C is installed roughly is a disc.Central authorities at this retainer 30A are provided with charging blower installing port 32A, sheet installation portion 91 in becoming around the charging blower installing port 32A.The diameter of this charging blower installing port 32A roughly charging blower with the 2nd interior sheet 22B is identical with the diameter of opening 24.On interior sheet installation portion 91, with the 2nd in bolt insertion hole 26 position overlapped of sheet 22B be provided with bolt insertion hole 92.
The guide groove 93 (Figure 25) that roughly is the C font around sheet installation portion 91 in this peripherally around setting.This guide groove 93 leads to the mobile of cover 100 when ventilation is opened wide with opening.In this embodiment, on the bottom surface of this guide groove 93, along the circumferential maintenance prescribed distance of this guide plate 93 be provided with a plurality of above-mentioned ventilations with openings 90.Each opening 90 connects this retainer 30A and is communicated with the inboard of this guide groove 93 interior (outside of retainer 30A) and this retainer 30A.
Be provided with gas generator 110 at an end of guide groove 93 as the cover mobile device.In detail, the bottom surface of these guide groove 93 1 ends is provided with gas vent 94 (Figure 25, Figure 30), is provided with gas generator 110 in this gas vent 94.And this gas generator 110 is connected on the not shown control setup, when air bag 10C expand into specified degree when above, carries out gas ejection operation according to the signal from this control setup.
Cover this guide groove 93 1 end ground mounting covers 95.This gas vent 94 is arranged on and covers 95 inboard.In addition, in the arm of angle portion of the retainer 30A upper surface that is in guide groove 93 1 ends, the recessed section 93a of portion (Figure 25) of the outer edge of this lid 95 accommodated in formation, this covered 95 o'clock in installation, the outer edge of this lid 95 is combined on this recessed section 93a of portion, and the upper surface of lid 95 and the upper surface of retainer 30A roughly are positioned on the face.As shown in figure 30, this pressed sheets 102 is inserted between the bottom surface of this lid 95 and guide groove 93.
The outer circumferential side of this guide groove 93 of retainer 30A becomes rear panel installation portion 96.The diameter of the installation usefulness opening 16A of interior all diameters of this rear panel installation portion 96 (outer circumference diameter of guide groove 93) and rear panel 14 about equally.On this rear panel installation portion 96, be provided with bolt insertion hole 97 with the bolt insertion hole 20A position overlapped of this rear panel 14.
In addition, as shown in figure 25, with an end of framework 103,104 each other the mode of bridge joint pressed sheets 102 is set.In this embodiment, each cover plate 101 have with each ventilation with opening 90 roughly the same size and shape, and make progress with the week that opening 90,90 is arranged on framework 103,104 with roughly being separated by uniform distances each other with ventilation.
Cover 100 can be arranged in this guide groove 93 along the bearing of trend (week upwards) of guide groove 93 with moving freely.This cover 100, under initial condition (under the airbag apparatus non-action status), shown in Figure 26,27 and 30, the inboard that pressed sheets 102 is inserted above-mentioned lid 95, relative with gas vent 94.And at this moment, each cover plate 101 covers corresponding each ventilation opening 90.
Each charging blower 36 has the structure identical with Fig. 1～Fig. 4, and front is inlaid in the charging blower installing port 32A of retainer 30A.
In the time of on air bag 10C being installed to retainer 30A, the charging blower opening 24 of sheet 22B in the 2nd is set with one heart with charging blower installing port 32A roughly, the circumference of this opening 24 is pressed on the installation portion 91 by inboard pressure ring 42B.At this moment, the front that is inlaid in the charging blower 36 on this installing port 32A is inserted in the Room 1 the 1st by this opening 24, each connected entrance 27 face-offs of sheet 22B in each gas vent 36a of this charging blower 36 and the 2nd.
In the time of on the circumference that pressure ring 42B is folded into opening 24, the thru-bolt of this pressure ring 42B 44 insert logical in sheet 22B and installation portion 91 each bolt insertion hole 26,92 and be arranged on bolt insertion hole 40 on the flange 38 of charging blower 36.Thereby, by nut 46 being screwed on this thru-bolt 44, this pressure ring 42B, interior sheet 22B and charging blower 36 are fixed on the retainer 32A.
And the installation opening 16A along the peripheral ring winding postpone sheet 14 of guide groove 93 is pressed in the circumference of this opening 16A on the installation portion 96 by outside pressure ring 42A.At this moment, each thru-bolt 44 of this pressure ring 42A is inserted each bolt insertion hole 20A, 97 of logical rear panel 14 and installation portion 96.And, by nut 46 being screwed on this thru-bolt 44, this pressure ring 42A and rear panel 14 are fixed on the retainer 32A.
To ventilate thus is arranged between this installation usefulness opening 16 and the above-mentioned charging blower usefulness opening 24 with opening 90, and Room 2 the 2nd is communicated with opening 90 with this ventilation.
Then, the module cover 48A that covers the folded formation of this air bag 10C is installed on the retainer 30A, thereby constitutes airbag apparatus.
Other structures of this airbag apparatus are identical with the airbag apparatus of Fig. 1～Fig. 4, and in Figure 22～Figure 30, the label identical with Fig. 1～Fig. 4 represented identical part.
Hereinafter the action to this airbag apparatus describes.
When collision happens etc., charging blower 36 moves, and sprays gas in air bag 10C.Air bag 10C expands by this gas and module cover 48A is pushed open, and launches in vehicle chamber, with protection operator's saddle occupant.
In this airbag apparatus, in the starting stage of expanding, ventilation is sealed with opening 90 tegmentum parts 100 (cover plate 101), because gas does not flow out with opening 90 from this ventilation, so Room 2 the 2nd becomes higher interior the pressure rapidly, air bag 10C launches rapidly.
In addition, in this embodiment, because connected entrance 27 is arranged on the extended line of gas emission direction of charging blower 36, so the gas from this charging blower 36 sprays with linearity near this connected entrance 27, and flow to Room 2 the 2nd from connected entrance 27, thereby the ejection gas of charging blower 36 is fed directly in the Room 2 the 2nd, and Room 2 the 2nd extremely promptly becomes presses in high.Consequently, further quicken the expansion of air bag 10C.
When air bag 10C expand into specified degree when above, actuating signal inputs to gas generator 110 from control setup (omitting diagram), and gas generator 110 carries out gas ejection action, from gas vent 94 ejection gases.And this gas pressure is on the pressed sheets 102 of cover 100, and shown in Figure 30 (a)～Figure 30 (c), whole cover 100 is under the promotion of this gas, to the other end (direction of separating with gas vent 94) mobile (rotation) of guide groove 93.Thereby each cover plate 101 moves back with opening is after 90s from ventilation, and each ventilation is opened wide with opening 90.
In the time of in automotive occupant bangs into this air bag 10C, gas flow in the Room 1 the 1st the 2nd indoor via interior air extractor vent 28, and gas flows out to the outside of air bag 10C via each ventilation with opening 90 from Room 2 the 2nd, thereby absorbs the impact that is applied on this automotive occupant.
And in this embodiment, though under initial condition, all ventilations are all sealed by cover plate 102 with opening, also can exist not by cover plate 102 osed tops ventilation opening.
In each embodiment of above-mentioned Fig. 8～Figure 17 and Figure 22～Figure 30, as the embodiment of Fig. 7, also can adopt the structure that assisted ventilation hole or assisted ventilation usefulness opening are set on cover 60B～60E or each cover plate 101.
Above-mentioned each embodiment only is 1 embodiment of the present invention, but the present invention is not limited to above-mentioned each embodiment.
It is the above air bags in 3 chambers that the present invention also goes for internal separation.
Claims (1)
1. air bag, internal separation is a plurality of chambers, and has by gas is flowed out outside this chamber from least 1 chamber and absorb the gas bleeder that impacts, and it is characterized in that:
Comprise restraint device, this restraint device is used for restriction and utilizes this gas bleeder effluent air, expand into more than the specified degree until this chamber;
Described gas bleeder is to have the groove shape on opposed 1 pair of long limit or the air extractor vent of slotted hole shape;
Being provided with this internal separation in air bag inside is the sheet of a plurality of chambers, and this sheet is connected with the centre portion on a described long limit of this air extractor vent;
When airbag inflation was above to specified degree, then this centre portion was stretched by this sheet, and this air extractor vent aperture is increased.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005051184 | 2005-02-25 | ||
| JP2005051184 | 2005-02-25 | ||
| JP2005123941 | 2005-04-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1824549A CN1824549A (en) | 2006-08-30 |
| CN100581879C true CN100581879C (en) | 2010-01-20 |
Family
ID=36935432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610009522A Expired - Fee Related CN100581879C (en) | 2005-02-25 | 2006-02-24 | Airbag and airbag apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100581879C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7618059B2 (en) * | 2007-04-20 | 2009-11-17 | Ford Global Technologies, Llc | Tether venting system for airbag module |
| JP5127343B2 (en) * | 2007-07-26 | 2013-01-23 | タカタ株式会社 | Air bag and air bag device |
| JP5186832B2 (en) * | 2007-08-09 | 2013-04-24 | タカタ株式会社 | Air bag and air bag device |
| US8419055B2 (en) * | 2008-09-17 | 2013-04-16 | Honda Motor Co., Ltd. | Airbag and method of manufacturing same |
| KR20120121614A (en) * | 2011-04-27 | 2012-11-06 | 현대모비스 주식회사 | An airbag apparatus |
| KR101355594B1 (en) * | 2011-12-07 | 2014-01-29 | 현대자동차주식회사 | Dual chamber side air bag apparatus for vehicle |
| EP3099536B1 (en) * | 2014-01-30 | 2018-08-08 | TRW Automotive GmbH | Airbag and method for operating a vehicle occupant protection system |
| US20160157617A1 (en) * | 2014-12-04 | 2016-06-09 | Lear Corporation | Thoracic region comfort seating system |
| US9499118B2 (en) * | 2015-04-23 | 2016-11-22 | Ford Global Technologies, Llc | Airbag for oblique vehicle impacts |
| US9731677B1 (en) * | 2016-04-18 | 2017-08-15 | Ford Global Technologies, Llc | Passive restraint system |
| US10391968B2 (en) * | 2016-10-21 | 2019-08-27 | Ford Global Technologies, Llc | Airbag assembly including internal and external tethers |
| JP6792523B2 (en) * | 2017-07-10 | 2020-11-25 | 本田技研工業株式会社 | Airbag device |
| CN110843718A (en) * | 2018-07-30 | 2020-02-28 | 奥托立夫开发公司 | Safety air bag |
-
2006
- 2006-02-24 CN CN200610009522A patent/CN100581879C/en not_active Expired - Fee Related
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|---|---|
| CN1824549A (en) | 2006-08-30 |
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