CN1974274A - Airbag apparatus - Google Patents

Airbag apparatus Download PDF

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Publication number
CN1974274A
CN1974274A CNA2006101608096A CN200610160809A CN1974274A CN 1974274 A CN1974274 A CN 1974274A CN A2006101608096 A CNA2006101608096 A CN A2006101608096A CN 200610160809 A CN200610160809 A CN 200610160809A CN 1974274 A CN1974274 A CN 1974274A
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CN
China
Prior art keywords
aforementioned
air door
discharge orifice
air bag
opening
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.)
Granted
Application number
CNA2006101608096A
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Chinese (zh)
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CN100475614C (en
Inventor
石黑直彦
永田笃
尾藤和彰
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Toyoda Gosei Co Ltd
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Toyoda Gosei Co Ltd
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Publication date
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Publication of CN1974274A publication Critical patent/CN1974274A/en
Application granted granted Critical
Publication of CN100475614C publication Critical patent/CN100475614C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The airbag apparatus includes an airbag having an exhaust hole for discharging part of inflation gas, an open/close controller for controlling opening and closing operations of the exhaust hole, and a flap element releasably joined to the open/close controller and being joined to a periphery of the exhaust hole in an outer side of the airbag which periphery is in a side facing away from the open/close controller, for opening and closing the exhaust hole. The apparatus further includes an open/close means arranged in the periphery of the exhaust hole. Upon airbag inflation, if the flap element is retained by the open/close controller, the open/close means is held down at its outer side by the flap element and keeps the exhaust hole closed. If the flap element is released from the open/close controller, the open/close means opens by the pressure of inflation gas to expand an opening area of the exhaust hole.

Description

Airbag apparatus
Technical field
The present invention relates to have the airbag apparatus of air bag, but the interior pressure when this air bag is set at repression of swelling.
Background technology
Current, airbag apparatus such as US Patent the 6th, 648, shown in No. 371 communiques, has following structure: on air bag, form and to make the discharge orifice that expands and discharge, make this discharge orifice can be by opening and closing, corresponding to passenger's seating position and build with controller for opening and closing bonded assembly air door spare (flap) with the part of gas, the switching of control discharge orifice, the interior pressure when suppressing airbag inflation.
In this airbag apparatus, the structure of air door spare is, constitute by having flexible flaky material, be set at simultaneously and can inaccessible discharge hole size, be connected with the discharge orifice periphery away from the controller for opening and closing side in the outer peripheral face side of near controller for opening and closing the opening and air bag with inflow in being configured in air bag.And this air door spare makes the discharge orifice opening under the state of keeping with the coupled condition of controller for opening and closing, and when the coupled condition of having removed with controller for opening and closing, the expansion that is flowed in the air bag is pushed and opened with gas, makes the discharge orifice opening.
Yet, in existing airbag apparatus, owing to be the structure of utilizing a slice air door spare that discharge orifice is opened and closed, so the inaccessible performance in order to improve by air door spare the discharge orifice opening is to make air door spare also be sewn to structure on the air bag on away from the position beyond the end of controller for opening and closing side.For example in Fig. 5 in the air door spare of publicity, the position of the close controller for opening and closing side on the air door spare also is sewn on the air bag on the position that becomes the discharge orifice periphery.In addition, in the air door spare of Fig. 6 publicity, be to be provided with on a plurality of discharge orifice peripheries, except a close side of controller for opening and closing, all the other three partss all are sewn to the structure on the air bag.Therefore, in existing airbag apparatus, because its structure is, when the state lower gasbag that is disengaged in the coupled condition of air door spare and controller for opening and closing expands, and then, only make air door spare be sewn onto sutures breaks on the air bag, removed under the situation of air door spare and the stitching state of air bag, discharge orifice is opening, thereby, in order to make the discharge orifice opening, must constitute lignilite and rupture reliably.
In addition, in existing airbag apparatus, in the air door spare of Fig. 5 publicity, air door spare is set at the size that can insert in the discharge orifice.That is to say, under the situation that the state lower gasbag of keeping with the coupled condition of controller for opening and closing launches to expand, under discharge orifice is kept state by the closure state of air door spare, airbag inflation, but not by air door spare under the inaccessible reliably situation, expanding can be from the clearance leakage that produces between discharge orifice and the air door spare with gas at discharge orifice.Therefore, in existing airbag apparatus,, must be provided for repression of swelling separately with the parts of gas from leaking near the discharge orifice in order stably to keep the state of remaining silent of discharge orifice.Perhaps, in order to ensure the stable state of remaining silent, consideration is dealt with by the aperture area that dwindles discharge orifice, if but dwindle aperture area, expansion in the time of then can reducing the discharge orifice opening discharge rate of gas, and lose the meaning that discharge orifice is set, and become and can't use simple structure, stably guarantee the state of the open and-shut mode of discharge orifice.
Summary of the invention
The objective of the invention is to, use simple structure, the airbag apparatus that can guarantee stably that discharge orifice opens and closes is provided.
Purpose of the present invention can realize by the airbag apparatus with following formation.
A kind of airbag apparatus has with the lower part and constitutes:
Air bag, it makes expansion flow into gas, and the folded state when accommodating expands, and has discharge orifice simultaneously, and this discharge orifice can make the expansion of inflow discharge with the part of gas;
Controller for opening and closing, it can control the switching of aforementioned discharge orifice; And
Can with aforementioned air bag folding air door spare together; It is set to; Be connected with the aforementioned tap periphery away from aforementioned controller for opening and closing one side of the outer peripheral face side of this controller for opening and closing and aforementioned air bag; When keeping being connected of aforementioned controller for opening and closing when expanding with aforementioned air bag; Push aforementioned tap periphery and aforementioned tap is remained silent; During being connected of the aforementioned controller for opening and closing when removing with aforementioned air bag expansion; Be inflated and use gas extrusion; So that the mode of aforementioned tap opening is opened
On the discharge orifice periphery of aforementioned air bag, can switching mechanism being set with the mode that aforementioned air bag together folds, during being connected of the aforementioned air door spare of this switching mechanism when keeping aforementioned airbag inflation and aforementioned controller for opening and closing, by aforementioned air door spare extruding outer peripheral face side, keep the state of remaining silent of aforementioned discharge orifice, and, during being connected of the aforementioned air door spare when removing aforementioned airbag inflation and aforementioned controller for opening and closing, being inflated with gas and pushing and open in the mode of the aperture area that increases aforementioned discharge orifice.
In airbag apparatus of the present invention, the switching mechanism that can open and close discharge orifice is configured in the discharge orifice periphery that is formed on the air bag, to keep under air door spare and the controller for opening and closing bonded assembly state airbag inflation situation, this switching mechanism utilizes air door spare extruding outer peripheral face side with the state of the discharge orifice of remaining silent, under with releasing air door spare and controller for opening and closing bonded assembly state airbag inflation situation, switching mechanism is opened, to increase the aperture area of discharge orifice.That is to say, in airbag apparatus of the present invention, to keep under air door spare and the controller for opening and closing bonded assembly state airbag inflation situation, because air door extruding makes the outer circumferential side of the switching mechanism that discharge orifice remains silent, thereby can prevent that the switching mechanism that discharge orifice is remained silent from protruding under the extruding of expanding with gas, repression of swelling is discharged from discharge orifice with gas to greatest extent.On the contrary, removing under air door spare and the switching mechanism bonded assembly state airbag inflation situation, switching mechanism is opened, and can guarantee to increase the aperture area of discharge orifice, discharges a large amount of the expansion from discharge orifice and uses gases.Therefore, keeping when removing being connected of air door spare and controller for opening and closing, the expansion of discharging from discharge orifice is changed greatly with gas flow, the interior pressure of the air bag that also can making expands finishes changes greatly.
In addition, in airbag apparatus of the present invention, owing to be set at air door spare and switching mechanism all can together be turned back with air bag, thereby air door spare and switching mechanism and the air bag of having turned back together can be accommodated, can not cause the increase of device and complicated.
Therefore, airbag apparatus of the present invention can stably be guaranteed the switching of discharge orifice with easy structure.
In addition, in having the airbag apparatus of said structure, preferably adopt following structure:
The configuration mode of aforementioned discharge orifice is, extends through the inner peripheral surface side from the outer peripheral face side of aforementioned air bag, always keeps opening,
Aforementioned switching mechanism is made of inboard air door, and this inboard air door is set to combine with the aforementioned discharge orifice periphery of the outer peripheral face side of aforementioned air bag, inaccessible aforementioned discharge orifice simultaneously,
During being connected of the aforementioned air door spare of this inboard air door when keeping aforementioned airbag inflation and aforementioned controller for opening and closing, by aforementioned air door spare extruding outer peripheral face side, inaccessible aforementioned discharge orifice, and, during being connected of the aforementioned air door spare when removing aforementioned airbag inflation and aforementioned controller for opening and closing, will with the binding site of aforementioned air bag as hinge, be inflated with the gas extruding and open, in the mode that expansion is discharged from aforementioned discharge orifice with gas, make aforementioned discharge orifice opening outside aforementioned air bag.
If airbag apparatus is set at said structure, then because discharge orifice extends through the inner peripheral surface side from the outer peripheral face side of air bag, always keep open state, thereby to remove under air door spare and the controller for opening and closing coupled condition airbag inflation situation, can set the discharge rate that gas is used in the expansion of flowing out from air bag by the aperture area of this discharge orifice, the expansion in the time of can making the discharge orifice opening is stable with the discharge rate of gas.
In addition, in having the airbag apparatus of said structure, preferred adopt following structure: aforementioned inboard air door, making becomes mentioned hinge portion and binding site aforementioned air bag, be configured in aforementioned discharge orifice periphery on the aforementioned air door spare position relative with the binding site of aforementioned air bag on.
If airbag apparatus is set at said structure, then because to keep under air door spare and the controller for opening and closing coupled condition airbag inflation situation, inboard air door can utilize the position that becomes in the air door spare with air bag binding site side, extruding and the distolateral outer circumferential side of hinge opening opposing, thereby can utilize air door spare to suppress inboard air door to greatest extent and under the extruding of expanding with gas, open.
In addition, in having the airbag apparatus of said structure, preferred adopt following structure: at least one in the binding site of aforementioned air door spare and aforementioned air bag or the binding site of aforementioned inboard air door and aforementioned air bag, so that two ends constitute towards the mode bending of another aforementioned binding site side
Make aforementioned air door spare and the binding site of aforementioned air bag and the binding site of aforementioned inboard air door and aforementioned air bag, constitute so that the end is configured in approximating locational mode.
If airbag apparatus is set at said structure, then to keep under air door spare and the controller for opening and closing coupled condition airbag inflation situation, because can utilizing, inboard air door becomes near position, the hinge of air door spare end, extruding becomes near the outer circumferential side at the position the hinge end, thereby can suppress inboard air door more effectively and be inflated with the extruding of gas and open.
With the exception of this, in airbag apparatus of the present invention, preferably adopt following structure: aforementioned discharge orifice is set to extend through from the outer peripheral face side of aforementioned air bag the slit of inner peripheral surface side,
The constituted mode of aforementioned switching mechanism is,
Periphery by aforementioned slots constitutes,
During being connected of the aforementioned air door spare when keeping aforementioned airbag inflation and aforementioned controller for opening and closing, by aforementioned air door spare extruding outer peripheral face side, restriction increases the opening of aforementioned slots aperture area, keeps the state of remaining silent of aforementioned discharge orifice thus.
During being connected of the aforementioned air door spare when removing aforementioned airbag inflation and aforementioned controller for opening and closing, be inflated with the gas extruding to increase the mode opening of aforementioned slots aperture area, so that aforementioned discharge orifice opening.
If airbag apparatus is set at above-mentioned formation, owing to only on the base cloth of air bag slit is set and constitutes switching mechanism constituting, thereby can reduce the number and cost in man-hour of making airbag apparatus.
Remove that this is outside, in having the airbag apparatus of said structure, preferably adopt following structure: the constituted mode of aforementioned slots is,
Can be with the position that connects two ends as hinge, the zone that will be surrounded by aforementioned slots is roughly U word shape as door portion is configured to from the outer peripheral face side of aforementioned air bag observe with the gas extruding by aforementioned expansion,
During being connected of the aforementioned air door spare when removing aforementioned airbag inflation and aforementioned controller for opening and closing,, open aforementioned door portion, make aforementioned discharge orifice opening to be inflated the mode that increases the aforementioned slots aperture area with the gas extruding.
If airbag apparatus is set at said structure, then to remove under air door spare and the controller for opening and closing coupled condition airbag inflation situation, because the quilt roughly slit region surrounded of U word shape is opened as door portion, the opening-like attitude of discharge orifice, thereby with by making mono-linearity slit opening, the situation of discharge orifice opening is compared, can be guaranteed to increase the aperture area of discharge orifice.
With the exception of this, in having the airbag apparatus of above-mentioned formation, if aforementioned door portion is configured to, hinge when opening, on aforementioned air door spare on the aforementioned discharge orifice periphery when the being configured in position relative with the binding site of aforementioned air bag with opening, then because to keep under air door spare and the controller for opening and closing coupled condition airbag inflation situation, the distolateral outer circumferential side of hinge opening opposing when door portion can be pushed and be opened by the position that becomes air bag binding site side in the air door spare, can suppress a portion to greatest extent and under expanding, open with the gas extruding, thus the most preferred.
In addition, in having the airbag apparatus of said structure, preferably adopt following structure: aforementioned inboard air door disposes more than 2 or 2 at least,
Simultaneously, the binding site of the binding site of aforementioned inboard air door and aforementioned air bag and aforementioned air door spare and aforementioned air bag, in the mode around whole aforementioned discharge orifice, dislocation configuration each other,
In the aforementioned inboard air door at least one has slit, its from interior all sides of this inboard air door to outer circumferential side, or from outer circumferential side to interior all sides, insert other inboard air door, can make the inside and outside staggered of a part that aforementioned inboard air door overlaps each other.
In having the airbag apparatus of said structure, owing to be configured in a plurality of inboard air door on interior all sides of air door spare when discharge orifice is inaccessible, the configuration so that the inside and outside staggered mode of a part overlaps each other, thereby under with the state of keeping air door spare and controller for opening and closing coupled condition, flow in the air bag with gas even expand, inboard air door is inflated with gas and pushes, produce friction on the surface that makes inside and outside the interlocking of a part in each inboard air door and overlap, the state that overlaps each other becomes and is difficult for being disengaged.Therefore, when expanding with the state airbag deployment of keeping air door spare and controller for opening and closing coupled condition, can expand with mobile from the discharge orifice protrusion under the extruding of gas by preventing inboard air door, further repression of swelling leaks from discharge orifice with gas.In addition, each inboard air door is set at and can together turns back with air bag, owing to be to utilize the slit that forms on the inboard air door to be bonded to each other, thereby when the state airbag deployment that the coupled condition with air door spare and controller for opening and closing is disengaged expands, the overlap condition utilization expansion each other of this inboard air door is easy to just can remove with the squeese pressure of gas, can make discharge orifice opening without barrier.
In addition, purpose of the present invention also can realize by the airbag apparatus with following formation.
A kind of airbag apparatus is made of following each several part:
Air bag, it makes expansion flow into gas, and the folded state when accommodating expands, and has discharge orifice simultaneously, and this discharge orifice can make the expansion of inflow discharge with the part of gas;
Controller for opening and closing, the switching of the aforementioned discharge orifice of its may command;
Can with aforementioned air bag folding air door spare together; It is set to; Be connected with the aforementioned tap periphery away from aforementioned controller for opening and closing one side of this controller for opening and closing and aforementioned air bag inner peripheral surface side; When keeping being connected of aforementioned controller for opening and closing when expanding with aforementioned air bag; Push aforementioned tap periphery and aforementioned tap is remained silent; During being connected of the aforementioned controller for opening and closing when removing with aforementioned air bag expansion; Be inflated and use gas extrusion; So that the mode of aforementioned tap opening is opened
The configuration mode of aforementioned discharge orifice is, extends through the outer peripheral face side from the inner peripheral surface side of aforementioned air bag, always keeps opening,
Aforementioned air door spare has:
Main part, its aforementioned discharge orifice periphery with interior all sides of aforementioned air bag combines, simultaneously will with the binding site of aforementioned air bag, the hinge of opening during as aforementioned discharge orifice opening, with roughly linearity configuration, can inaccessible aforementioned discharge orifice; And
Band portion, the front that it is configured in away from mentioned hinge portion runs through near the periphery of aforementioned discharge orifice, is connected with aforementioned controller for opening and closing,
The size of aforementioned body portion is set at aforementioned discharge orifice can prevent gas leakage when inaccessible, and, when aforementioned discharge orifice opening, can insert aforementioned discharge orifice from aforementioned hinge, outstanding outside aforementioned air bag,
At least near the periphery the aforementioned discharge orifice of aforementioned air bag is run through near the position the aforementioned body portion of aforementioned band portion, can insert aforementioned discharge orifice when aforementioned discharge orifice opening and outstanding outside aforementioned air bag.
In the airbag apparatus of the above-mentioned formation of tool, the main part of air door spare is configured in interior all sides of air bag, can prevent gas leakage when its size is set at the discharge orifice obturation simultaneously.That is to say, when air bag expands with the bonded assembly state expansion of controller for opening and closing to keep air door spare, can utilize the seamlessly inaccessible discharge orifice of main part, can prevent that also gas from leaking from discharge orifice.In addition, in having the airbag apparatus of above-mentioned formation, the main part and the controller for opening and closing of air door spare dispose away from each other, but the band portion that is configured in the main part end side adopts the structure be configured to run through near the periphery the discharge orifice.That is to say, in having the airbag apparatus of above-mentioned formation, after near the discharge orifice periphery is run through in the band portion that is disposed at the inboard of air bag in the main part side, be configured in the outer circumferential side of air bag.Therefore, the band portion under the state of keeping with the coupled condition of controller for opening and closing can utilize the perisporium extruding that constitutes air bag, runs through near the position of the end side the discharge orifice.Its result even with the bonded assembly state airbag inflation of the band portion that keeps air door spare and controller for opening and closing the time, still can utilize the effective inaccessible discharge orifice of main part by inhibition zone portion from moving that discharge orifice protrudes, suppresses gas from the leakage of portalling.
In addition, in having the airbag apparatus of above-mentioned formation, the size of the main part of air door spare is set at and can gives prominence to outside air bag after hinge is inserted discharge orifice when the discharge orifice opening.Therefore, when the bonded assembly state lower gasbag of having removed air door spare and controller for opening and closing launched to expand, main part is flowed into to expand in the air bag with the gas extruding, is that open at the center with the hinge, is the state that goes out towards the air bag evagination from discharge orifice, the discharge orifice opening.In addition, at this moment band portion so that near position and the main part one the main part in the same way the air bag mode of giving prominence to outward move, can make that main part is accessible also to be gone out towards the air bag evagination.That is to say, also be similarly in having the airbag apparatus of said structure, if owing to remove being connected of air door spare and controller for opening and closing, then main part is opened under the extruding of expansion with gas naturally, thereby can make discharge orifice opening stably.Also can increase, from discharge orifice, discharge a large amount of the expansion and use gas by the aperture area of guaranteeing discharge orifice.Therefore, keeping when removing being connected of air door spare and controller for opening and closing, all can change the expansion of discharging from discharge orifice discharge rate greatly, the interior pressure of the air bag that also can changing greatly expands finishes with gas.
In addition, same owing to be set at air door spare and can together turn back in having the airbag apparatus of above-mentioned formation with air bag, thereby can with air door spare with turn back after air bag together accommodate, can not cause device to increase and complicated.
Therefore, in having the airbag apparatus of above-mentioned formation, can guarantee the switching of discharge orifice equally with easy Stability Analysis of Structures ground.
With the exception of this, in having the airbag apparatus of above-mentioned formation, aforementioned air door spare has front-end edge portion in the front away from mentioned hinge portion of aforementioned body portion, and this front-end edge portion is to extend to both sides with the mode of aforementioned band portion quadrature, be configured in the outer circumferential side of aforementioned band portion
Interior all side configuration extruding frameworks at aforementioned air bag, it covers the mentioned hinge portion side of the aforementioned front-end edge portion on interior all sides of aforementioned body portion, for can make with aforementioned band portion orthogonal directions on two edge near combine with the inner peripheral surface side of aforementioned air bag have a flexible sheet, and, has recess at periphery, part can be passed this recess near the aforementioned body portion side in the aforementioned band portion
When aforementioned air door spare is accommodated at aforementioned airbag fold, the front-end edge portion of aforementioned body portion is turned back be placed on interior all sides of aforementioned extruding frame, make aforementioned band deploy interior all sides of the aforementioned front-end edge portion after aforementioned fold return, accommodate aforementioned air bag.
In having the airbag apparatus of above-mentioned formation, can under the state of front-end edge portion obturation that utilization is turned back, accommodate air bag away from the end side of the hinge in the main part of air door spare.And, because this front-end edge portion of turning back forms the form that is held between band portion and the extruding frame, thus when air bag when launching to expand with the bonded assembly state of keeping air door spare and controller for opening and closing, keep the state of turning back of front-end edge portion under can pushing in band portion.Therefore when preventing under air bag is being kept state with the coupled condition of controller for opening and closing, to launch expansion, two lateral margins that front-end edge portion from the main part of air door spare extends to the hinge side curl in discharge orifice side locality, can further suppress gas and leak to stablize the inaccessible discharge orifice of sheet from discharge orifice.
Description of drawings
Fig. 1 is near the sketch the bearing circle of vehicle of expression airbag system for steering wheel that the 1st embodiment of the present invention has been installed.
Fig. 2 is the planar view of bearing circle that the airbag apparatus of the 1st embodiment has been installed.
Fig. 3 is the concise and to the point section-drawing of bearing circle that the airbag apparatus of the 1st embodiment has been installed, and is corresponding with the III-III position of Fig. 2.
Fig. 4 is the concise and to the point section-drawing of bearing circle that the airbag apparatus of the 1st embodiment has been installed, and is corresponding with the IV-IV position of Fig. 2.
Fig. 5 is in the airbag apparatus of the 1st embodiment, and concise and to the point section-drawing is amplified near the part the position of expression latch for printed circuit, is the cooresponding figure in V-V position with Fig. 3.
Fig. 6 is the ground plan of the air bag that uses in the airbag apparatus of the 1st embodiment.
Fig. 7 is that ground plan is amplified near the part the air door spare in the air bag of presentation graphs 6.
Fig. 8 is near the section-drawing in VIII-VIII position of Fig. 7.
The concise and to the point exploded perspective view of component parts when Fig. 9 is the air bag of expression shop drawings 6.
Figure 10 is the concise and to the point section-drawing of the air bag of Fig. 6.
Figure 11 is the concise and to the point section-drawing of expansion completion status of the air bag of presentation graphs 6, is that expression makes the state of discharge orifice obturation and makes it the figure of the state of opening.
Figure 12 is the airbag deployment that is illustrated in the airbag apparatus of the 1st embodiment when expanding, and air door spare is opened and made the local amplification oblique drawing of the state of discharge orifice opening.
Figure 13 is that ground plan and the local exploded perspective view that amplifies are amplified in the part of the air door spare that uses in the airbag apparatus of expression the 2nd embodiment.
Figure 14 is the section-drawing of open mode of the air door spare of expression Figure 13.
Figure 15 is that ground plan and the local exploded perspective view that amplifies are amplified in the part of the air door spare that uses in the airbag apparatus of expression the 3rd embodiment.
Figure 16 is that ground plan and the local exploded perspective view that amplifies are amplified in the part of the air door spare that uses in the airbag apparatus of expression the 4th embodiment.
Figure 17 is the section-drawing of open mode of the air door spare of expression Figure 16.
Figure 18 is that ground plan and the local exploded perspective view that amplifies are amplified in the part of the air door spare that uses in the airbag apparatus of expression the 5th embodiment.
Figure 19 is that ground plan and the local exploded perspective view that amplifies are amplified in the part of the air door spare that uses in the airbag apparatus of expression the 6th embodiment.
Figure 20 is that ground plan and the local exploded perspective view that amplifies are amplified in the part of the air door spare that uses in the airbag apparatus of expression the 7th embodiment.
Figure 21 is the section-drawing of open mode of the air door spare of expression Figure 20.
Figure 22 has been to use the ground plan of the air bag of the air door spare that uses in the airbag apparatus of the 8th embodiment.
Figure 23 is the concise and to the point exploded perspective view of the component parts of expression when making the air bag of Figure 22.
Figure 24 is the concise and to the point section-drawing of the air bag of Figure 22.
Figure 25 is the expansion drawing of the air door spare that uses in the air bag of Figure 22.
Figure 26 is the concise and to the point oblique drawing of observing from the air bag outer circumferential side of operation of the discharge orifice of the expression inaccessible air bag of air door spare that utilizes Figure 25.
Figure 27 is the concise and to the point oblique drawing of operation of the discharge orifice of the expression inaccessible air bag of air door spare that utilizes Figure 25, the operation after expression Figure 26.
Figure 28 is the concise and to the point section-drawing of airbag inflation completion status of the 8th embodiment of the expression air door spare that used Figure 25.
Figure 29 represents the air door spare of the 9th embodiment, and expression simultaneously utilizes the sketch from the observation of air bag outer circumferential side of the operation of the inaccessible discharge orifice of this air door spare.
Figure 30 is the sketch of the operation of the inaccessible discharge orifice of air door spare that uses in the airbag apparatus of expression with the 9th embodiment, expression Figure 29 operation afterwards.
Figure 31 is the ground plan that the air bag of the air door spare that uses in the airbag apparatus of the 10th embodiment has been used in expression.
Figure 32 is the concise and to the point oblique drawing that all sides are observed in the air bag at the position of the air door spare in the air bag of expression the 10th embodiment.
Figure 33 is the concise and to the point section-drawing at the position of the air door spare in the air bag of the 10th embodiment, is the cooresponding figure in XXXIII-XXXIII position with Figure 32.
Figure 34 is the expansion drawing that constitutes the main body cloth portion of the air door spare that uses in the air bag of the 10th embodiment.
Figure 35 is the planar view at the position of the air door spare in the air bag of the 10th embodiment, is before expression front-end edge portion turns back and the figure of the state after turning back.
Figure 36 is illustrated in the air door spare that uses in the air bag of the 10th embodiment, and latch for printed circuit is disengaged and the local amplification profile of the state that discharge orifice is opened.
Figure 37 is the figure of the air door spare that uses in the airbag apparatus of expression the 11st embodiment, is the planar view at the position of air door spare, and the main body cloth portion in the air door spare is with the expansion drawing of base cloth.
Figure 38 is the concise and to the point exploded perspective view at position of the air door spare in the air bag of expression the 11st embodiment.
Figure 39 is the figure of the air door spare that uses in the airbag apparatus of expression the 12nd embodiment, is the planar view at the position of air door spare, and the main body cloth portion in the air door spare is with the expansion drawing of base cloth.
Figure 40 is the concise and to the point exploded perspective view at position of the air door spare in the air bag of expression the 12nd embodiment.
The specific embodiment
An embodiment of the invention are described below with reference to the accompanying drawings.
Fig. 1～Fig. 4 represents the airbag apparatus M1 that the bearing circle of the 1st embodiment of the present invention is used.
In addition, front and back in the embodiment, up and down, about direction, only otherwise special declaration, when all driving with the craspedodrome that is installed in the bearing circle W on the vehicle is benchmark, axial with along the steering shaft SS of installation direction dish W (with reference to Fig. 3,4 long and two-short dash line) up and down as above-below direction, with steering shaft SS the axle orthogonal directions vehicle before and after as fore-and-aft direction, with steering shaft SS the axle orthogonal directions left and right vehicle wheel as left and right directions, represent like this before and after, up and down, left and right directions.
The airbag apparatus M1 of the 1st embodiment such as Fig. 2～shown in Figure 4, be the structure that is configured in the central hub portion B top of bearing circle W.The structure of bearing circle W is, has: the ring portion R that holds during driving, be configured in central authorities and with the steering shaft SS bonded assembly hub B of portion and be connected the B of hub portion and 4 S of spoke portion of ring portion R.In addition, bearing circle W is made of airbag apparatus M1 and steering wheel main body 1 from the component parts angle.
The structure of steering wheel main body 1 is, has: by aluminum alloy etc. constitute metal-cored 2, its mode with the each several part that connects ring portion R, the B of hub portion, the S of spoke portion disposes; Plastic coating 3, its overlayed on ring portion R and ring portion R side each S of spoke portion metal-cored 2; And plastic cover 4 down, it is configured in the bottom of the B of hub portion.
Airbag apparatus M1 is made of following each several part shown in Fig. 3,4: the air bag 36 after folding; Charging blower 8, it provides to expand to air bag 36 uses gas; As the air-bag support 11 of housing, it is accommodated and keeps air bag 36 and charging blower 8; As the lining 27 of air cell covering, its mode with the opening of covering air-bag support 11 disposes; Two connecting panels 21, they are used to make horn switch 17 to be clipped in the middle and are connected with air-bag support 11, and airbag apparatus M1 is connected with steering wheel main body 1; As the latch for printed circuit 23 of controller for opening and closing, its control is formed at the switching of the aftermentioned discharge orifice 41 on the air bag 36; Air door spare 55, it connects the periphery and the latch for printed circuit 23 of the discharge orifice 41 on the air bag 36; And as the inboard air door 63 of switching mechanism, it is configured on the periphery of discharge orifice 41.Charging blower 8 and latch for printed circuit 23 utilize control setup 68 control actions.
Control setup 68 is connected with following sensor is electric as shown in Figure 1: as the position-detection sensor 69 of occupant detection sensor, it can detect the build of passenger's (chaufeur) MD that rides on the seat SE and the distance between bearing circle W and the passenger MD; As the weight sensor 70 of occupant detection sensor, it can detect the weight of passenger MD; And collision detecting sensor 71, it can detect the acceleration/accel of vehicle and the direction of acceleration etc., control setup 68 makes and comes from as the position-detection sensor 69 of these occupant detection sensors and the electric signal input of weight sensor 70 or collision detecting sensor 71 etc., make charging blower 8 actions, for air bag 36 is expanded, control is as the action of the latch for printed circuit 23 of controller for opening and closing simultaneously.
The structure of charging blower 8 is, has: top has a plurality of ejections expansions with the roughly columned main body 8a of the gas ejection 8b of gas and from the outstanding roughly square tabular lip portions 8c that disposes of the outer peripheral face of main body 8a.Form jack 8d on lip portions 8c, it is used to make the bolt 6a that give prominence to from retainer 6 described later to insert.
Retainer 6 is made roughly four jiaos of ring bodies for plate-shape metal, constitutes to have the bolt 6a that protrudes downwards on four angles.This retainer 6 makes bolt 6a via periphery and the air-bag support 11 of the inflow on the inner peripheral surface side of air bag 36 with opening 39, and is outstanding from the lip portions 8c of charging blower 8.So,, can utilize retainer 6 that air bag 36 and charging blower 8 are installed on the air-bag support 11 by fastening nut 7 on each bolt 6a.
Air-bag support 11 is as shown in Fig. 3,4, and its structure is for having bracket main body 12 and two holding plates 16 of being made by sheet metal respectively.Two holding plates 16 are fastened on the lower face side of both sides, bracket main body 12 front and back.
The structure of bracket main body 12 is, has: the bottom wall portion 13 of Square consisting of two isosceles right-angled triangles shape roughly; And side wall portion 14, its periphery from bottom wall portion 13 extends upward, makes the upper end side opening simultaneously.Form jack 13a near the central authorities of bottom wall portion 13, its opening is circular, the main body 8a of charging blower 8 can be inserted upward from the below.On the periphery of jack 13a, form 4 jack 13b of each the bolt 6a insertion that makes retainer 6.In addition, form through hole 13c at the front side of the jack 13a of bottom wall portion 13, it can make the ring portion 61 on the front end 60b of the aftermentioned band portion 60 that is formed at air bag 36 insert.
In addition, in the lower side of bottom wall portion 13, becoming near the through hole 13c position configuration as the latch for printed circuit 23 of controller for opening and closing, it is connected the front end 60b side of the aftermentioned band portion 60 that is formed on the air door spare 55.This latch for printed circuit 23 is formed at the card shotpin 24 in the ring portion 61 on the front end 60b of band portion 60 and is fastened on the actuator 25 that the following side of bottom wall portion 13 moves in the mode that can draw in card shotpin 24 and constitutes by insertion.If actuator 25 moves in the mode of drawing in card shotpin 24, then blocking shotpin 24 is to remove the state that card ends by the state exchange of stop ring portion 61.As long as this actuator 25 can move card shotpin 24 according to the electric signal that comes from control setup 68, then can use: oil pressure, hydraulic pressure, air pressure or utilize bucket cylinder that the fluid of the situation of the gaseous tension that generation such as comprising charging blower expand presses, utilized these fluids to press and the spring of the predetermincd tension the when electrical motor of electric energy, electromagnetic valve, utilization recovery etc.In addition, at the periphery of the through hole 13c of bottom wall portion 13 lower surfaces, the edge portion side relative with actuator 25 is provided with supporting seat 13d as shown in Figure 5, and it supports the end of the card shotpin 24 of latch for printed circuit 23, in case stop ring portion 61 cards come off from card shotpin 24 when ending.
Side wall portion 14 on the bracket main body 12 disposes the card claw stop 14a that extend below laterally in the upper end at position, front and back, and these card claw stops 14a card ends on the stage portion 31a of the front and back position on the side wall portion described later 31 of lining 27.
Be fastened on former and later two holding plates 16 on the bracket main body 12, have near the maintaining part 16a near the position of the coating 3 the ring portion R on the S of spoke portion that extends to the left and right sides respectively, horn switch 17 is installed on each maintaining part 16a.Each holding plate 16 has the mounting hole 16b that rivet 24 is inserted.
The constituted mode of two connecting panels 21 is, lower surface in the left and right sides of airbag apparatus M1, respectively with band shape configuration along fore-and-aft direction, make the roughly middle part of fore-and-aft direction be fixed on steering wheel main body 1 metal-cored 2 on, in addition, make the rear and front end be configured in the below of maintaining part 16a at the two ends, the left and right sides of holding plate 16 respectively, be supported on simultaneously spoke portion S position metal-cored 2 on.And, airbag apparatus M1 and maintaining part 16a so that horn switch 17 between wherein state, on the connecting panel 21 about being supported on, connecting panel 21 is installed in the top of the B of hub portion of steering wheel main body 1 by being fixed on metal-cored 2.
Lining 27 as air cell covering is made for synthetic resin such as ethylenic thermoplastic neoprene, shown in Fig. 2～4, constitute top wall portion 28 and the side wall portion 31 of the roughly quadrangular barrel shape of extending from the outer peripheral edges of top wall portion 28 downwards with the upper side that covers the hub B of portion.The inside line of the side wall portion 31 on the top wall portion 28 constitutes the position that covers the air bag 36 after folding, and on this position, a plurality of the portions 30 that open when configuration air bag 36 expands are provided with fracture reservations 29 on every side.Door portion 30 as shown in Figure 2, is set up in parallel two along fore-and-aft direction under the situation of example, constitute by inside and flowed into air bag 36 extruding of expanding with gas, and fracture reservations 29 fractures of the roughly H word shape around making are opened forwards, backwards.On side wall portion 31, form a plurality of mounting holes 32 that run through in the horizontal direction.In these mounting holes 32, insert as the rivet 34 that is used for lining 27 is remained on the fastening unit on the air-bag support 11.
Air bag 36 constitutes and has shown in Fig. 6,10: the air bag main body 37 of bag shape, and it makes expansion flow into gas and expands; And frenulum 50, the shape the when expansion of its restriction air bag main body 37 is finished.
Air bag main body 37, the periphery wall when its expansion is finished is by comprising that polyamide thread and polyester line etc. have flexible weaving cotton cloth and constitute.The periphery wall of air bag main body 37 constitutes to have: car body side wall portion 38, and it becomes bearing circle W side when expansion is finished, have the inflow opening 39 that the expansion of making flows into gas; And passenger's side wall portion 45, itself and inflow opening 39 relative configurations, expanding becomes passenger (driver) side when finishing.
Flowing into and with opening 39 the main body 8a of charging blower 8 to be inserted from the below, is to be used to make from the expansion of the gas vent 8b ejection of charging blower 8 flow into the interior position of air bag main body 37 with gas.In addition, on flowing into, form 4 mounting holes 40 that make the bolt 6a insertion that is formed at retainer 6 with the periphery of opening 39.In addition, form discharge orifice 41 on becoming on the car body side wall portion 38 flows into the position in opening 39 the place aheads, its outer peripheral face side from air bag main body 37 extends through the inner peripheral surface side, always rounded opening.In addition, on the position of the left and right sides that becomes discharge orifice 41, form the breather port 42,42 of rounded opening respectively, their aperture area is set at less than discharge orifice 41.Use between the opening 39 at discharge orifice 41 and inflow, near discharge orifice 41 rears and near flowing into opening 39 the place aheads on these two positions, form slit-shaped jack 43A, 43B, they form (with reference to Fig. 6) in the mode that the band portion 60 that can make air door spare 55 inserts along left and right directions.
Air bag main body 37 has as shown in Figure 9: the car body side group cloth 47 of toroidal, and it constitutes car body side wall portion 38; And the passenger side base cloth 48 of toroidal, it constitutes passenger's sidewall 45.Inlet opening 39 is formed at the central authorities of car body side group cloth 47, and mounting hole 40, discharge orifice 41, breather port 42 and jack 43A, 43B are formed at the assigned position of car body side group cloth 47 respectively.
Frenulum 50 and air bag main body 37 similarly, by comprising that polyamide thread and polyester line etc. have flexible weaving cotton cloth and constitute.Frenulum 50 is shown in Fig. 9,11, car body side wall portion 38 when 37 expansions of restriction air bag main body are finished and the standoff distance between passenger's sidewall 45, shape is finished in expansion with restriction air bag main body 37, is made of with base cloth 51,52 two frenulums that are configured in car body side wall portion 38 sides and passenger's sidewall 45 sides.Each frenulum base cloth 51,52 has: connecting portion 51a, 52a, and it is roughly rounded, is connected with each car body side wall portion 38, passenger's sidewall 45; And banded extension 51b, 52b, its two edge sides from about each connecting portion 51a, the 52a are extended and are provided with.Use on the connecting portion 51a of base cloth 51 at frenulum, with inflow opening 39, mounting hole 40 and the corresponding formation opening of jack 43B (omission label).
Air door spare 55 has shown in Fig. 7,8: as air door external side of main body air door 56, it is configured in the outer circumferential side of air bag main body 37 (car body side wall portion 38), can inaccessible discharge orifice 41; And band portion 60, it is connected with the front end 56f side of outside air door 56, and is connected with latch for printed circuit 23.In addition, car body side wall portion 38 outer circumferential sides between crosswind door 56 and the air bag main body 37 (car body side wall portion 38) are the periphery of discharge orifice 41 outside, in conjunction with the inboard air door 63 as switching mechanism.That is to say, in the airbag apparatus M1 of the 1st embodiment, constitute, extend through the inner peripheral surface side and the discharge orifice 41 that always keeps the mode of open state to dispose, can utilize the outside air door 56 of inboard air door 63 and air door spare 55 to open and close with outer peripheral face side from air bag main body 37
Inboard air door 63 and outside air door 56 under the situation of embodiment, with air bag main body 37 similarly, by comprising that polyamide thread and polyester line etc. have flexible weaving cotton cloth and constitute.Under the situation of embodiment, inboard air door 63 and outside air door 56 are respectively can roughly square shape independent inaccessible discharge orifice 41 sizes, that shape is identical, respectively so that diagonal line roughly along the mode tilted configuration of fore-and-aft direction.
And, the configuration mode of inboard air door 63 and outside air door 56 is, make inboard air door 63 with the mode overlay configuration of inaccessible discharge orifice 41 on the outer circumferential side of car body side wall portion 38, after making outside air door 56 misplace some stitching amount parts towards the place ahead, overlay configuration is at the outer circumferential side of inboard air door 63, be sewn onto on the car body side wall portion 38 with continuous foursquare shape on the whole periphery, thus, combining (with reference to Fig. 7) with car body side wall portion 38 respectively.
That is to say, outside air door 56, to become position away from two limit 56c, 56d of the front side of latch for printed circuit 23 sides as base portion 56e side, be sewn onto with inverted v-shaped shape roughly on the peripheral part of discharge orifice 41 of car body side wall portion 38, become the binding site 57 that combines with car body side wall portion 38.And, the constituted mode of outside air door 56 is, with the position of two limit 56a, 56b of the rear side that the becomes latch for printed circuit 23 sides front end 56f side when opening, with can be, band portion 60 be sewn onto the outer peripheral face side that becomes near the position the front end 56f with the mode of front end 56f to air bag 36 pushings.In addition, outside air door 56 becomes to be positioned near the structure of the position hinge 58 of bending when opening the binding site 57.Inboard air door 63 will become the position of two limit 63a, 63b of rear side of latch for printed circuit 23 sides as base portion 63e side, be sewn onto with vee shape roughly on the peripheral part of discharge orifice 41 of car body side wall portion 38, as the binding site 64 that combines with car body side wall portion 38.And inboard air door 63 is to become away from flowing into the position of two limit 63c, 63d of the front side of the opening 39 1 sides front end 63f side when opening.In addition, the constituted mode of inboard air door 63 is, makes near the hinge 65 of the position that is positioned at the binding site 64 bending when opening.
That is to say, in embodiment, make outside air door 56 be attached to the binding site 57 on the car body side wall portion 38 and make inboard air door 63 be attached to binding site 64 on the car body side wall portion 38, respectively with inverted v-shaped sigmoid roughly and constitute, constitute in the approximating locational mode of end 57a, the 57b, 64a, the 64b that are configured in each binding site 57,64, become the roughly whole state that is centered on by these binding sites 57,64 of discharge orifice 41 all around.
And, in embodiment, make outside air door 56 be attached to joint portion 57 on the car body side wall portion 38, with the length direction (fore-and-aft direction) of the band portion 60 along the fore-and-aft direction configuration described later mode of quadrature roughly, dispose with the inverted v-shaped shape along left and right directions.And, in embodiment, connect end 57a, the 57b of this binding site 57 and straight line L1, the L2 of front end 56f, as shown in Figure 7, be configured in respectively on the position of the 41a of edge portion, 41b of the left and right directions that exceeds discharge orifice 41.In other words, in embodiment, discharge orifice 41 is configured in the zone by the end 57a, the 57b that connect binding site 57 and straight line L1, the L2 of front end 56f and the roughly square shape that binding site 57 surrounds.
In addition, under the situation of embodiment, the configuration mode of outside air door 56 is: make front end 56f that becomes latch for printed circuit 23 sides and the base portion 56e that becomes away from latch for printed circuit 23 sides, mode with the configuration direction of edge band portion 60, be positioned at from the inflow of air bag main body 37 and use (under the situation of embodiment, being) on the line of center with radial extension of opening 39 along on the line that passes the fore-and-aft direction that flows into the center of using opening 39.That is to say that the configuration mode of outside air door 56 is, make opening direction, in other words, make it the direction that expands along air bag 36 along from flowing into on the line of center with radial extension of opening 39.
And, under the situation of embodiment, inboard air door 63 and outside air door 56, on the outer circumferential side of car body side wall portion 38, the inaccessible discharge orifice 41 of difference, dispose in the mode that overlaps each other, therefore, under situation about expanding with the state air bag main body of keeping with the binding of the front end 56f side bonded assembly band portion 60 of outside air door 56 and latch for printed circuit 23 37, inboard air door 63 with outer peripheral face by the state of outside air door 56 extruding, inaccessible whole discharge orifice 41 is kept the state of remaining silent of discharge orifice 41.
Front end 56f side bonded assembly band portion 60 with outside air door 56, constitute by having flexible banded cloth, under the situation of embodiment, its width dimensions is set at the width dimensions less than the hinge in the outside air door 56 58, disposes in the mode of extending along the fore-and-aft direction of opening direction that becomes outside air door 56.And band portion 60 is connected its base portion 60a side to become near the outer circumferential side the front end 56f of outside air door 56.Under the situation of embodiment, band portion 60 is configured in from the inflow of air bag main body 37 and uses (under the situation of embodiment, along on the line that passes the fore-and-aft direction that flows into the center of using opening 39) on the line of center with radial extension of opening 39.In the front end 60b of band portion 60 side, the ring portion 61 that makes the end be seamed into annular back formation is set.Ring portion 61 constitutes the card shotpin 24 that can insert latch for printed circuit 23, shown in Fig. 3,5, when air bag 36 folding accommodating, card shotpin 24 is inserted to engage on the latch for printed circuit 23.
In addition, the configuration mode of band portion 60 is, extend through among jack 43A, the 43B that is formed on the car body side wall portion 38, under the state that the mode that makes inboard air door 63 and outside air door 56 with inaccessible discharge orifice 41 overlaps each other, be applied among near the jack 43A that is formed at the discharge orifice 41, make middle part 60c be positioned at all sides of air bag main body 37, so that form the side-prominent mode outside air bag main body 37 of the front end 60b of ring portion 61, extend through once more and be formed at inflow with among near the jack 43B the opening 39 (with reference to Fig. 6,10).That is to say, band portion 60 is configured to when air bag 36 folding accommodating, make base portion 60a side and front end 60b side be positioned at the outer circumferential side of air bag main body 37, make middle part 60c be positioned at all sides of air bag main body 37, the card shotpin 24 of latch for printed circuit 23 inserts from the ring portion 61 of the outstanding front end 60b side of jack 43B.Under the situation of embodiment, the length dimension of band portion 60 is set at, even when keeping the state air bag 36 that ends state with the card that blocks shotpin 24 with ring portion 61 and expand, air bag 36 also can be finished the size of expansion without barrier.
Below, the installation of the airbag apparatus M1 of the 1st embodiment to vehicle is described.The manufacturing of air bag 36 at first, is described.On car body side group cloth 47, be pre-formed and flow into opening 39, discharge orifice 41, breather port 42 and jack 43A.In addition, on the connecting portion 51a of frenulum, also be pre-formed and flow into opening 39 corresponding opening (omitting label among the figure) with base cloth 51.
At first, outside face side at car body side group cloth 47, mode with inaccessible discharge orifice 41 disposes inboard air door 63, after making the outside air door 56 that constitutes air door spare 55 misplace some stitching amounts towards the place ahead, coincidence is configured on the outer circumferential side of inboard air door 63, and the whole periphery of inboard air door 63 and outside air door 56 and car body side wall portion 38 are sewed up.Then, make near the front end 56f of air door 56 outside the base portion 60a latasuture of the band portion 60 that is pre-formed ring portion 61 on the front end 60b side is incorporated into, form air door spare 55.In addition, make opening and flow into opening 39 corresponding after, frenulum with the inner surface side that the connecting portion 51a of base cloth 51 is configured to car body side group cloth 47, is made its stitching on the position of inflow with opening 39 peripheries.In addition, the connecting portion 52a of frenulum with base cloth 52 sewed up with the inner surface side of passenger side base cloth 48 on the peripheral part.
Then, car body side group cloth 47 and frenulum are processed with the connecting portion 51a enforcement mounting hole 40 of base cloth 51 and the perforate of jack 43B.Obviously, also can add to be provided with simultaneously man-hour to flow into and use opening 39, no longer be provided with before the stitching to flow into and use opening 39 in this perforate.
Then, the mode that car body side group cloth 47 is relative with face side difference beyond the passenger side base cloth 48 is overlapping, and outer peripheral edges are sewed up each other.After the stitching operation of outer peripheral edges,, utilize to flow into opening 39 with air bag main body 37 upsets for the sutured portion that does not make outer peripheral edges is exposed to the outside face side of air bag 36.After the upset operation,, can produce air bag main body 37, thereby can make the air bag 36 of send as an envoy to air door spare 55 and 63 combinations of inboard air door if frenulum is pulled out and sewed up with opening 39 from flowing into the front end of each extension 51b, 52b of base cloth 51,52.
And, use the air bag 36 assembling airbag apparatus M1 that produce by above method.At first, near the jack 43A that is formed at the discharge orifice 41 is run through by ring portion 61 sides in the band portion 60 that makes air door spare 55, makes middle part 60c be positioned at the mode of all sides of air bag main body 37, makes the position of ring portion 61 sides outstanding from jack 43B.At this moment, discharge orifice 41 is by outside air door 56 obturations of inboard air door 63 that disposes in the mode that overlaps and air door spare 55.
Then, retainer 6 is inserted in the air bag 36 from flowing into opening 39, make each bolt 6a outstanding from mounting hole 40.And, air bag 36 is outstanding from jack 43B to keep ring portion 61, and the modes that air door spare 55 and inboard air door 63 can be accommodated in the air-bag support 11 simultaneously fold.
Then, make each bolt 6a outstanding,, accommodate in the air-bag support 11 that latch for printed circuit 23, horn switch 17 and connecting panel 23 have been installed in advance with the air bag 36 after will folding so that ring portion 61 is outstanding from through hole 13c from the jack 13b of bottom wall portion 13.And, the card shotpin 24 of latch for printed circuit 23 is inserted in the ring portion 61, the front of card shotpin 24 is supported among the supporting seat 13d, thereby ring portion 61 is engaged on the latch for printed circuit 23.Then, the main body 8a of charging blower 8 is inserted in the jack 13a of bottom wall portion 13 from the below, make each bolt 6a outstanding from the jack 8d of lip portions 8c.And,, air bag 36 and charging blower 8 are remained on the air-bag support 11 by nut 7 is tightened on each bolt 6a.
Then, make lining 27 cover air bag 36, the card claw stop 14a of air-bag support 11 is engaged on the stage portion 31a of side wall portion 31, simultaneously as long as, just can assemble out airbag apparatus M1 with rivet 34 fastening air-bag support 11 and side wall portions 31.
The airbag apparatus M1 that assembles out like this, if use the bolt of regulation connecting panel 21 to be connected on the not shown mount pad of the steering wheel main body 1 that is installed on the vehicle, can be assembled on the steering wheel main body 1, at this moment, the assembling of bearing circle W and bearing circle W are to the installation of vehicle.In addition, when vehicle is installed, make in advance, be connected on charging blower 8 and the latch for printed circuit (controller for opening and closing) 23 from the lead of control setup 68 extended actuating signal input usefulness at airbag apparatus M1.
After airbag apparatus M1 is installed on the vehicle, if vehicle collides during travelling, then control setup 68 is to charging blower 8 output action signals, charging blower 8 makes expansion spray from gas vent 8b with gas, air bag 36 makes expansion flow into inner after expansion with gas, the door portion 30,30 of lining is opened both sides forwards, backwards, side-prominent to passenger MD, finish expansion.
And, in the airbag apparatus M1 of the 1st embodiment, make the control setup 68 of the signal input of the sensor 69,70,71 that comes from regulation, for example take detecting little chap passenger MD1, or detect passenger MD and ride under the locational situation of direction of closing dish W, the air bag 36 that expands from charging blower 8 ejection with gas roughly expands finish after, the coupled condition of releasing air door spare 55 and latch for printed circuit (controller for opening and closing) 23.That is to say, behind charging blower 8 jet time openings process specified times, control setup 68 is to actuator 25 output action signals, make it to draw in the action of card shotpin 24, the ring portion 61 that is formed at the front end 60b side of the band portion 60 that constitutes air door spare 55 in releasing is ended under the state of state with the card that blocks shotpin 24, air bag 36 is expanded finish.In the case, air bag 36 makes discharge orifice 41 openings shown in Figure 11 B, and remaining expansion is discharged from discharge orifice 41 with gas G, finishes thereby make to expand.In addition, in contrast, detecting tall person passenger MD2 at control setup 68 takes, or passenger MD rides under the locational situation away from bearing circle W, air bag 36 is in order to keep the coupled condition of air door spare 55 and latch for printed circuit 23, do not make actuator 25 actions, block in the ring portion 61 of the front end 60b side that is formed at the band portion 60 that constitutes air door spare 55 and end under the state on the card shotpin 24, making expands finishes.In the case, air bag 36 is shown in Figure 11 A, and making under the state of remaining silent of discharge orifice 41 expands finishes keeping.
And, in the airbag apparatus M1 of the 1st embodiment, at the periphery that is formed at the discharge orifice 41 on the air bag main body 37 (air bag 36), be provided as the inboard air door 63 of the switching mechanism that can open and close discharge orifice 41, under the situation that the bonded assembly state air bag 36 with the band portion 60 that keeps air door spare 55 and latch for printed circuit 23 expands, this inboard air door 63 is so that the state that discharge orifice 41 is remained silent utilizes the outside air door 56 extruding outer peripheral face sides of air door spare 55, under the situation that the bonded assembly state air bag 36 with the band portion 60 that removes air door spare 55 and latch for printed circuit 23 expands, inboard air door 63 is opened in the mode of the aperture area that increases discharge orifice 41.
That is to say, in the airbag apparatus M1 of the 1st embodiment, under the situation that the bonded assembly state air bag 36 with the band portion 60 that keeps air door spare 55 and latch for printed circuit 23 expands, because the extruding of the outside air door 56 of air door spare 55 makes the outer circumferential side of the inboard air door 63 that discharge orifice 41 remains silent, thereby can prevent that the inboard air door 63 that discharge orifice 41 is remained silent from protruding significantly under expanding with the gas extruding, repression of swelling is discharged from discharge orifice 41 with gas to greatest extent.
Specifically, in the airbag apparatus M1 of the 1st embodiment, the binding site 57 to air bag 36 sides (car body side wall portion 38) of outside air door 56, so that connect straight line L1, the L2 of front end 56f that end 57a, 57b and extension are provided with the outside air door 56 of band portion 60, be configured in respectively above by the 41a of edge portion of the left and right directions of the discharge orifice 41 of inboard air door 63 obturations, the locational mode of 41b, be configured in the front (front side) of inboard air door 63.Therefore, under situation about expanding with the state air bag 36 of keeping outside air door 56 and the coupled condition of band portion 60 that is configured in front end 56f side and latch for printed circuit 23, band portion 60 is connected with latch for printed circuit 23 and is pulled, by this traction, on two straight line L1, the L2 of the front end 56f of the end 57a, the 57b that link binding site 57 and outside air door 56, produce tension force.Particularly, in embodiment, because band portion 60 and outside air door 56 are configured in from flowing into on the line of center with radial extension of opening 39, therefore band portion 60 is pulled along the expansion direction of air bag 36, produces big tension force on two straight line L1, the L2 of the front end 56f of the end 57a, the 57b that link binding site 57 and outside air door 56.Therefore, by two positions that straight line L1, L2 are surrounded of the front end 56f of the binding site 57 of this outside air door 56, the end 57a, the 57b that reach binding binding site 57 and outside air door 56, become by state to air bag 36 sides (car body side wall portion 38 sides) extruding, outside air door 56 can suppress to make opening of inboard air door 63 that discharge orifice 41 remains silent reliably, thereby can prevent to open to expand because of inboard air door 63 to use gas leakage.
On the contrary, under the situation that the bonded assembly state air bag 36 with the band portion 60 that removes air door spare 55 and latch for printed circuit 23 expands, inboard air door 63 is opened, and guarantees that the aperture area of discharge orifice 41 is bigger, use gases discharging a large amount of the expansion from discharge orifice 41.In the airbag apparatus M1 of the 1st embodiment, because the outside air door 56 of inboard air door 63 and air door spare 55 is configured in the outer circumferential side of air bag 36, if thereby launch to expand at the state lower gasbag 36 of the coupled condition of band portion 60 that removes air door spare 55 and latch for printed circuit 23, then outside air door 56 is removed the extruding of inboard air door 63, inboard air door 63 and outside air door 56 are flowed into the expansion gas G extruding in the air bag 36, be that open round about at the center with hinge 65,58 respectively, discharge orifice 41 openings.Under the situation of example, inboard air door 63 and outside air door 56 are opened as opening beak as shown in figure 12.That is to say, in the airbag apparatus M1 of the 1st embodiment, if owing to remove the band portion 60 of air door spare 55 and the coupled condition of latch for printed circuit 23, then inboard air door 63 and outside air door 56 are inflated with the gas extruding and open naturally, thereby can make discharge orifice 41 stably increase aperture area and opening.
Its result, in the airbag apparatus M1 of the 1st embodiment, keeping when removing as being connected of the latch for printed circuit 23 of the controller for opening and closing of air door spare 55, the expansion of discharging is changed significantly with the discharge rate of gas, the interior pressure of the air bag 36 of the end of expanding is changed significantly.
In addition, in the airbag apparatus M1 of the 1st embodiment, because air door spare 55 and all can be together folding with air bag 36 as the inboard air door 63 of switching mechanism, thus can with air door spare 55 and inboard air door 63 with folding after air bag 36 together accommodate, can not cause the increase of device and complicated.
Therefore, in the airbag apparatus M1 of the 1st embodiment, can stably guarantee the switching of discharge orifice 41 by easy structure.
In addition, in the airbag apparatus M1 of the 1st embodiment, because discharge orifice 41 is circular, extend through the inner peripheral surface side with outer peripheral face side and always keep the mode of opening from air bag 36 (air bag main body 37), be formed on the car body side wall portion 38, therefore, under the situation that the bonded assembly state air bag 36 with the band portion 60 that removes air door spare 55 and latch for printed circuit 23 expands, can be according to the aperture area of this discharge orifice 41, the expansion that setting is flowed out from air bag 36 is stablized with the discharge rate of gas with the discharge rate of gas, the expansion in the time of can making discharge orifice 41 openings.
In addition, in the airbag apparatus M1 of the 1st embodiment, because the configuration mode of inboard air door 63 is, to become binding site 64 hinge 65 and car body side wall portion 38 air bag 36, be configured in the periphery that is in discharge orifice 41, on the relative position of the outside air door 56 that constitutes air door spare 55 and the binding site of car body side wall portion 38 57, thereby, under the situation that the bonded assembly state air bag 36 with the band portion 60 that keeps air door spare 55 and latch for printed circuit 23 expands, inboard air door 63 utilizes the position of the base portion 56e side of binding site 57 sides that become outside air door 56, the outer circumferential side of front end 63f (open end) side that extruding and hinge 63 are relative.Therefore, can utilize outside air door 56, suppress inboard air door 63 to greatest extent and be inflated with the extruding of gas and open.
And, in the airbag apparatus M1 of the 1st embodiment, because generation type is, the outside air door 56 of air door spare 55 and the binding site 57 of car body side wall portion 38, with the binding site 64 of inboard air door 63 with car body side wall portion 38, be configured in end 57a, 57b, 64a, on the mutually approaching position of 64b, therefore, under the situation that the bonded assembly state air bag 36 with the band portion 60 that keeps air door spare 55 and latch for printed circuit 23 expands, inboard air door 63 utilizes near the position, end of the hinge 58 that becomes outside air door 56, extruding becomes near the outer circumferential side at the position hinge 65 ends, can more effectively suppress inboard air door 63 and be inflated with the extruding of gas and open.Especially, in the airbag apparatus M of embodiment, because inboard air door 63, to become near the position of the base portion 63e side the hinge 63, be configured in the end 57a that links the binding site 57 in the air door 56 of the outside, two straight line L1 of the front end 56f of 57b and outside air door 56, on near the L2 the position, thereby, utilization is at the end 57a that links this binding site 57, two straight line L1 of the front end 56f of 57b and outside air door 56, the tension force of the last generation of L2, also pushed near the end of the left and right directions of the hinge 65 of inboard air door 63 by car body side wall portion 38 sides, the opening of inboard air door 63 that can stably suppress inaccessible discharge orifice 41 whole peripheries, simultaneously, can prevent that also inboard air door 63 from respect to the dislocation to car body side wall portion 38, further improving the leak tightness of inboard air door 63.
In addition, in the airbag apparatus M1 of the 1st embodiment, the band portion 60 of air door spare 55 disposes in the mode that runs through the jack 43A near the periphery that is formed at discharge orifice 41.That is to say, in the airbag apparatus M1 of the 1st embodiment, because air door spare 55 is configured in the outer circumferential side of air bag 36, therefore band portion 60 makes and becomes the outer circumferential side that the base portion 60a of air door spare 55 sides side is configured in air bag 36, but the jack 43A near the periphery that is disposed at discharge orifice 41 is run through in band portion 60, makes middle part 60c be configured in interior all sides of air bag 36.Therefore, because when expanding with state air bag 36 expansion of the coupled condition of latch for printed circuit 23 with the band portion 60 that keeps air door spare 55, the middle part 60c that is positioned at all sides of air bag of this band portion 60, become the expansions that flowed in the air bag 36 and be expressed to state on the perisporium (car body side wall portion 38) that constitutes air bag 36 with gas, thereby band portion 60 can not take place lax more greatly away from car body side wall portion 38.Therefore, in the airbag apparatus M1 of the 1st embodiment, when the bonded assembly state air bag 36 with the band portion 60 that keeps air door spare 55 and latch for printed circuit 23 expands, also can utilize the base portion 60a of band portion 60 reliably outside air door 56 to be expressed on the periphery of discharge orifice 41, suppress to leak out gas from discharge orifice 41.
Under the situation that the state air bag 36 that the card with the band portion 60 that removes air door spare 55 and latch for printed circuit 23 ends launches to expand, along with opening of outside air door 56, so that the mode that ring portion 61 is extracted from jack 43B, become the state that is positioned at air bag main body 37, this ring portion 61 can not produce any obstacle ground to the expansion of air bag and extract from jack 43B.
In addition, in embodiment, for the discharge orifice 41 of obturation with the circular opening, adopt to constitute the outside air door 56 of air door spare 55 and as the inboard air door 63 of switching mechanism, all diagonal line is roughly disposed along the mode of fore-and-aft direction with square shape roughly, but discharge orifice, the shape of the outside air door of inboard air door and air door spare is not limited thereto, for example, also can be as Figure 13, shown in 14, as employed air door spare 79 of the airbag apparatus M2 of the 2nd embodiment and inboard air door 74, use inaccessible being formed on the car body side wall portion 38 with the discharge orifice 41A's of general triangular shape opening, the inboard air door 74 as switching mechanism of general triangular shape, and has an air door spare 79 with the roughly the same outside air door 80 of inboard air door 74 shapes.In addition, also can be as shown in figure 15, air door spare 79A that uses among the airbag apparatus M3 as the 3rd embodiment and inboard air door 74A, use inaccessible discharge orifice 41A roughly fan shape as the inboard air door 74A of switching mechanism and have air door spare 79A with the roughly the same outside air door 80A of inboard air door 74A shape.
In addition, the airbag apparatus M2～M12 of the 2nd～the 12nd embodiment shown below except the basic structure the air door spare, is the structure identical with the airbag apparatus M1 of aforementioned the 1st embodiment, omits explanation.
The outside air door 80 of the air door spare shown in Figure 13 79 that uses among the airbag apparatus M2 of the 2nd embodiment and inboard air door 74 are the general triangular shape respectively, and configuration mode is, Yi Bian make forwardly side roughly along left and right directions, and make the top be positioned at rear end side.Air door spare 79 is made of outside air door 80 and band portion 60, and this band portion 60 has the structure identical with the band portion 60 in the aforesaid air door spare 55.The outside air door 56 of this inboard air door 74 and outside air door 80 and aforesaid air door spare 55 and inboard air door 63 are similarly, inboard air door 74 is overlapped the outer circumferential side of car body side wall portion 38A in the mode of inaccessible discharge orifice 41A, outside air door 80 is forwards misplaced after some stitching amounts part, dispose in the mode on the outer circumferential side that overlaps inboard air door 74, by whole periphery is sewn onto on the car body side wall portion 38A, combine with car body side wall portion 38A respectively.That is to say, inboard air door 74, will be as the position of two limit 74a, 74b of the rear side that becomes the latch for printed circuit side of controller for opening and closing, be sewn onto on the car body side wall portion 38A with inverted v-shaped shape roughly as base portion 74d side, as the binding site 75 that combines with car body side wall portion 38A.And inboard air door 74 is with the position of a limit 74c of the front side front end 74f side when opening.In addition, inboard air door 74 has following structure: constitute in the mode that is positioned near the position hinge 76 of bending when opening the binding site 75, when opening, make this hinge 76 bendings, via the gap 77 that between front end 74f and car body side wall portion 38A, forms, can discharge from discharge orifice 41A and expand with gas (with reference to Figure 14).
Outside air door 80 is incorporated into the position of a limit 80c of front side on the car body side wall portion 38A as base portion 80d latasuture, as the binding site 81 that combines with car body side wall portion 38A.And outside air door 80 constitutes, and the position of two limit 80a, 80b of rear side as front end 80e side, is sewn onto band portion 60 near the position that becomes the front end 80e.In addition, the constituted mode of outside air door 80 is, will be positioned near the hinge 82 of the position bending when opening the binding site 81.
In this air door spare 79, also beyond the binding site 75 of crosswind door 80 and the binding site 81 of car body sidewall 80A, inboard air door 74 and car body side wall portion 38A, be configured in end 81a, 81b, the approximating locational mode of 75a, 75b forms.In addition, in this air door spare 79, connect end 81a, the 81b of binding site 81 of outside air door 80 and straight line L3, the L4 of front end 80e, as shown in FIG. 13A, be configured in respectively on the position above the 41a of edge portion, the 41b of the left and right directions of discharge orifice 41A.That is to say that discharge orifice 41A becomes end end 81a, 81b and straight line L3, the L4 of front end 80e and the interior form in zone of the general triangular that binding site 81 surrounds that is bonded binding site 81 that be configured in.And, in the air door spare 79 that constitutes like this, so that under the situation of the state airbag inflation that air door spare 79 and latch for printed circuit link, the tension force that utilization produces on two straight line L3, the L4 of the end 81a, the 81b that link this binding site 81 and outside air door 80 front end 80e, the outer circumferential side of the inboard air door 74 of air door 80 extruding in the outside are inaccessible discharge orifice 41A.
Air door spare 79A shown in Figure 15 that uses among the airbag apparatus M3 of the 3rd embodiment and inboard air door 74A, except will make inboard air door 74A and outside air door 80A forwardly side roughly along a limit of left and right directions configuration, be set at beyond arc-shaped bend roughly roughly fan-shaped, remaining structure is the structure identical with air door spare shown in Figure 13 79 and inboard air door 74, at label afterbody additional " A " and omit its detailed description.In addition, in this air door spare 79A, crosswind door 80A and the binding site 81A of car body side wall portion 38A and the binding site 75A of inboard air door 74A and car body side wall portion 38A also are configured in end 81a, 81b, the approximating locational mode of 75a, 75b forms.In addition, in the air door 80A of the outside of this air door spare 79A, also be to link end 81a, the 81b of binding site 81A and straight line L5, the L6 of front end 80e, be configured in respectively above on the position of the 41a of edge portion, the 41b of the left and right directions of discharge orifice 41A (with reference to Figure 15 A).And, in this air door spare 79A, also be so that under the situation of air door spare 79 and latch for printed circuit bonded assembly state airbag inflation, the tension force that utilization produces on two straight line L5, the L6 of the front end 80e of the end 81a, the 81b that link this binding site 81A and outside air door 80A, the outer circumferential side of the inboard air door 74A of air door 80A extruding in the outside is inaccessible discharge orifice 41A.
In addition, as shown in figure 16, the device that uses among the airbag apparatus M4 as the 4th embodiment, also can adopt following structure: the slit 84 that extends through the inner peripheral surface side by outer peripheral face side from car body side wall portion 38B, be formed in car body side wall portion 38B and go up the discharge orifice that forms, can utilize aforementioned air door spare 55 to open and close.
The structure of slit 84 is: observe from the outer circumferential side of car body side wall portion 38B, so that center side becomes the roughly inverted v-shaped shape that is similar to U word shape to the outstanding mode in the place ahead away from band portion 60 (latch for printed circuit) side of air door spare 55.In the case, switching mechanism is made of the position of the periphery of this slit 84.Specifically, the position that is surrounded by the slit 84 on the car body side wall portion 38B as hinge 86, constitutes door portion 85 with the position (with reference to the long and two-short dash line among Figure 16 B) of the end 84a, the 84b that link slit 84, and this one 85 constitutes switching mechanisms.And when this one 85 opened, the position that slit 84 and door portion 85 surround (position that is surrounded by slit 84 and hinge 86) constituted discharge orifice 87, discharged from discharge orifice 87 and expanded with gas G (with reference to Figure 16 B and Figure 17).That is to say that the constituted mode of door portion 85 is, make the hinge 86 when opening, the rear side that the outside air door 56 on discharge orifice 87 peripheries when being configured in opening and the binding site of car body side wall portion 38B 57 are relative.
Air door spare 55 has the identical structure of air door spare 55 among the airbag apparatus M1 with the 1st embodiment, marks same label and omits explanation.And, in this air door spare 55, also be to make outside air door 56 be attached to end 57a, the 57b of the binding site 57 on the car body side wall portion 38B and straight line L1, the L2 of front end 56f binding, shown in Figure 16 A, be configured in respectively on the position above end 84a, the 84b of slit 84.That is to say that slit 84 becomes end 57a, 57b and straight line L1, the L2 of front end 56f and the interior form in zone that roughly is square shape that binding site 57 surrounds that is configured in by binding binding site 57.
In the airbag apparatus M4 of the 4th embodiment, owing to, promptly can constitute door portion 85, thereby can reduce the number and cost in man-hour of manufacturing airbag apparatus as switching mechanism only by slit 84 being set constituting on the car body side wall portion 38B of air bag.
In addition, in the airbag apparatus M4 of the 4th embodiment, slit 84 constitutes in the mode of bending, to link end 84a, the position of 84b is as hinge 86, the position that will be surrounded by the slit 84 on the car body side wall portion 38B is as being inflated the door portion 85 with the gas extruding, during being connected of the air door spare 55 when removing airbag inflation and latch for printed circuit, to be inflated the mode that the aperture area of slit 84 enlarges with the gas extruding, this one 85 is opened, make discharge orifice 87 openings, therefore, and only the situation of discharge orifice opening is compared, can be guaranteed that the aperture area of discharge orifice is bigger by the slit opening that makes linearity.
In addition, in the airbag apparatus M4 of the 4th embodiment, because the hinge 86 when door portion 85 will open, be configured on the position relative with the binding site 57 of outside air door 56 and car body side wall portion 38B, thereby under with the situation of keeping air door spare 55 and the bonded assembly state airbag inflation of latch for printed circuit, because 85 utilizations of door portion become the outside air door 56 of air door spare 55 and the position of binding site 57 sides of car body side wall portion 38B, the outer circumferential side of the hinge 86 opposing open end 85a sides when pushing and opening, thereby can utilize air door spare 55, inhibition door portion 85 is inflated with the gas extruding and opens to greatest extent.Especially, in the above-described configuration, because slit 84 is configured in, end 57a by the binding site 57 that links the car body side wall portion 38B in the air door 55 of the outside, the straight line L1 of 57b and front end 56f, L2, in the zone of the roughly square shape that surrounds with binding site 57, thereby under with the situation of keeping air door spare 55 and the bonded assembly state airbag inflation of latch for printed circuit, utilization is at the end 57a that links binding site 57, the straight line L1 of 57b and end 56f, the tension force of the last generation of L2, the outer circumferential side of whole door portion 85 is by 56 extruding of outside air door, can suppress a portion 85 to greatest extent and be inflated with the gas extruding and open.
In addition, on car body side wall portion 38B, forming slit like this, peripheral part by slit constitutes under the situation of switching mechanism, the shape of slit and air door spare also is not limited thereto, as shown in figure 18, the device that uses among the airbag apparatus M5 as the 5th embodiment, also can adopt following structure: on car body side wall portion 38B, to observe from outer circumferential side, make center side to away from band portion 60 (latch for printed circuit) pleurapophysis of air door spare 79A to mode, formation is similar to the slit 84A of the circular arc of U word shape, the outside air door 80A of the roughly fan shape that the mode with the outer circumferential side that covers slit 84A that has configuration air door spare 79A on car body side wall portion 38B, this air door spare 79A disposes.The air door spare 79A that uses among the airbag apparatus M5 of the 5th embodiment has and the aforesaid identical structure of air door spare 79A shown in Figure 15, marks identical label and omits explanation.Slit 84A except shape, has the structure identical with aforesaid slit 84, label end mark " A " and detailed.In addition, in this air door spare 79A, link end 81a, the 81b make the binding site 81A that outside air door 80A combines with car body side wall portion 38B and straight line L5, the L6 of front end 80e, shown in Figure 18 A, be configured in respectively on the position above end 84a, the 84b of slit 84A.Therefore, have under the situation of this structure, so that under the situation of the state airbag inflation that air door spare 79A and latch for printed circuit link, the tension force that utilization produces on two straight line L5, the L6 of the front end 80e of the end 81a, the 81b that link this binding site 81A and outside air door 80A, the outer circumferential side of the whole door 85A of portion is by outside air door 80A extruding, and a portion that can suppress to greatest extent is inflated with the gas extruding and opens.
In addition, as shown in figure 19, the device that uses among the airbag apparatus M6 as the 6th embodiment, also can adopt following structure: on car body side wall portion 38B, to observe from outer circumferential side, make center side to the outstanding mode in the place ahead away from band portion 60 (latch for printed circuit) side of air door spare 79B, form the slit 84B of the word of falling U shape, in conjunction with air door spare 79B, this air door spare 79B has the outside air door 80B of the roughly home base shape that the mode with the outer circumferential side that covers air door 84B disposes on car body side wall portion 38B.In addition, air door spare 79B shown in Figure 19, its outside air door 80B is roughly pentagon shape, except with three limits of front side as with binding site that car body side wall portion 38B side combines, has identical structure with aforesaid air door spare 79A, since air door 84B except become with the roughly akin word of the falling U shape of the binding site 81B of outside air door 80B, also have and aforementioned air door 84, structure that 84A is identical, thus label not tail add " B " and detailed respectively.In this air door spare 79B, link end 81a, the 81b of the binding site 81B that air door 80B combines with car body side wall portion 38B outside making and straight line L7, the L8 of each front end 81e, shown in Figure 19 A, be configured in respectively on the position above end 84a, the 84b of slit 84B.Therefore, have under the situation of this structure, so that under the situation of air door spare 79B and latch for printed circuit bonded assembly state airbag inflation, because the tension force of two last generations of straight line L7, L8 of end 81a, the 81b of this binding site of utilization binding 81B and the front end 80e of outside air door 80A, the outer circumferential side of the whole door 85B of portion is all by outside air door 80B extruding, thereby can suppress a 85B of portion to greatest extent and be inflated the gas extruding and open.
In addition, as shown in figure 20, the device that uses among the airbag apparatus M7 as the 7th embodiment, also can adopt following structure: on car body side wall portion 38C, form the roughly slit 91 of the linearity of left and right directions configuration of edge, in conjunction with air door spare 94, this air door spare 94 has the air door main body 95 that the mode with the outer circumferential side that covers this slit 91 disposes on car body side wall portion 38C.
Because slit 91 is that roughly the mode of quadrature is along the linearity of left and right directions configuration with the direction of opening with air door main body 95 described later, therefore, the position of the periphery of the slit 91 on the car body side wall portion 38C constitutes switching mechanism.And this slit 91 is inflated the mode opening that enlarges with aperture area with the gas extruding, discharge orifice 92 openings (with reference to Figure 21) when expanding with the state lower gasbag of removing air door spare 94 and the coupled condition of latch for printed circuit.
Air door spare 94 is made of following each several part: air door main body 95, and it is configured in the outer circumferential side of car body side wall portion 38C, is the roughly pentagon shape of home base shape roughly; And band portion 60, it is connected the front end 95a side of air door main body 95.Band portion 60 is structures identical with the band portion 60 in the aforesaid air door spare 55, marks identical label and detailed.
Air door main body 95 make the top when opening front end 95a side and be positioned at rear end side, three limit 95c, 95d, the 95e that will be positioned at the front side that becomes base portion 95b side are sewn onto on the car body side wall portion 38C in whole zone, as the binding site that combines with car body side wall portion 38C.And air door main body 95 will be positioned near the hinge 97 of the position bending when opening this binding site 96, constitute in the mode of opening along fore-and-aft direction.In addition, binding site 96 disposes to be centered around slit 91 mode on every side, under the situation of embodiment, binding site 96 is configured to these three at the position of position, the end 91a that becomes slit 91,91b side around the base portion 95b side that becomes air door main body 95 shown in Figure 20 A.That is to say, in this air door spare 94, link end 96a, the 96b make the binding site 96 that air door main body 95 combines with car body side wall portion 38C and straight line L9, the L10 of front end 95a, as shown in figure 20, be configured in respectively on the position above end 91a, the 91b of air door 91.
In the airbag apparatus M7 of the 7th embodiment, owing to be formed at the slit 91 on the car body side wall portion 38C, with the direction of opening with air door main body 95 is the roughly mode of quadrature of fore-and-aft direction, dispose along left and right directions, thereby under with the situation of keeping air door spare 94 and the coupled condition airbag inflation of latch for printed circuit, as the peripheral part of the slit 91 of switching mechanism,, can suppress to open and move in the mode that direction opens of opening along air door main body 95 by 95 extruding of air door main body.Specifically, in said structure, under with the situation of keeping air door spare 94 and the state airbag inflation of the coupled condition of latch for printed circuit, on two straight line L9, the L10 of the front end 95a of the end 96a, the 96b that link air door main body 95 and the binding site 96 of car body side wall portion 38C and air door main body 95, produce tension force.Therefore, since by the binding site in the air door main body 95 96, with two positions that straight line L9, L10 surround of the front end 95a of the end 96a, the 96b that are connected binding site 96 and air door main body 95, become the form that is extruded on the car body side wall portion 38C side, thereby, the position that can prevent slit 91 peripheries is opened in the mode of slit 91 openings by 95 extruding of air door main body.
In addition, in the airbag apparatus M7 of the 7th embodiment, because the binding site 96 with car body side wall portion 38C in the air door main body 95 is peripheries of slit 91, form in this mode of three of position around the position of the base portion 95b that becomes air door main body 95, the end 91a that becomes air door 91,91b side, thereby can utilize air door main body 95, the periphery of seamlessly inaccessible air door 91 further prevents from the gas leakage of slit 91.
And, under situation about expanding with the coupled condition airbag deployment of removing air door spare 94 and latch for printed circuit, the expansion that air door main body 95 is flowed in the air bag is pushed with gas, with hinge 97 is that open at the center, as shown in figure 21, air door 91 forms discharge orifice 92 with the mode opening along the fore-and-aft direction opening, discharges to expand from the discharge orifice of opening 92 and uses gas.
In addition, in embodiment, as air door spare 55,79,79A, 79B, 94, use to cover the outside air door (air door main body) 56,80,80A, 80B, 95 and the structure of band portion 60 splits of discharge orifice, but also can be from by making the structure of band portion from the extended one of front of air door main body (outside air door).In addition, in embodiment, be to make band portion 60 be sewn onto each outside air door (air door main body) 56,80,80A, 80B, 95 front end 56f, 80e, near the structure the 95a, as long as but can be by each outside air door (air door main body) 56,80 of band portion 60 extruding, 80A, 80B, 95 front end 56f, 80e, 95a side, also can adopt band portion 60 to be sewn to each outside air door (air door main body) 56,80,80A, 80B, 95 edge and open structure on the middle part (middle parts of front and back) of direction.
In addition, the device that uses among the airbag apparatus M8 as the 8th embodiment also can use the air door spare 110 and the switching mechanism of the structure shown in Figure 22～25.Air door spare 110 is made of following each several part as shown in Figure 22～24: be configured in the outer circumferential side of air bag main body 37D (car body side wall portion 38D), outside air door 118 that can inaccessible discharge orifice 41B; And the band portion 60 that is connected the front of outside air door 118.In addition, on the periphery of the discharge orifice 41B of the outer circumferential side of the car body side wall portion 38D between crosswind door 118 and the air bag main body 37D (car body side wall portion 38D), combine three inboard air doors 119 outside as switching mechanism.Band portion 60 has the identical structure of the band portion that uses in the air door spare 55 with the 1st embodiment 60, and the label that mark is identical on identical parts also omits explanation.
Outside air door 118 and inboard air door 119 by comprising that polyamide thread and polyester line etc. have flexible weaving cotton cloth and constitute, are that roughly the main body cloth 111 of cross shape constitutes integratedly by outer shape.Main body cloth 111 constitutes respectively as shown in figure 25: the bonding pad 112 of square shape roughly, and it is positioned at central authorities, combines with discharge orifice 41B periphery on the car body side wall portion 38D; And 4 compressing tablets 115 of square shape roughly, they constitute in the mode of extending forwards, backwards from bonding pad 112.4 compressing tablets 115 of this main body cloth 111 constitute outside air door 118 and three inboard air doors 119 respectively.
Bonding pad 112 is square shape roughly under the situation of embodiment, have the through hole 112a with the cooresponding circular open of discharge orifice 41B near central authorities.And bonding pad 112 is sewed up and is combined with car body side wall portion 38D near whole periphery.This binding site 113 is the roughly square shape around the entire circumference of through hole 112a (discharge orifice 41B), and each limit 113a of linearity constitutes each outside air door 118 that is made of each compressing tablet 115 and the hinge of inboard air door 119 respectively.
Each compressing tablet 115 with bonding pad 112 be the center with radial configuration, specifically, be configured on the both sides, front and back and these 4 positions, the left and right sides of bonding pad 112, be respectively can inaccessible discharge orifice 41B (through hole 112a) the roughly oblong-shaped of size.The length of each limit (hinge) 113a on the binding site 113 is set at the diameter greater than discharge orifice 41B.And, under the situation of embodiment, be arranged on the compressing tablet 115A of the front side of bonding pad 112, constitute outside air door 118.In addition, be arranged on the rear side of bonding pad 112 and compressing tablet 115B, 115C, the 115D of the left and right sides, constitute inboard air door 119.Embodiment following, constitute each compressing tablet 115B, 115C, the 115D of inboard air door 119, its profile is set at bonding pad 112 roughly the same, constitutes the compressing tablet 115A of outside air door 118, in order to cover whole inboard air door 119, its profile is set greater than inboard air door 119.
On each compressing tablet 115B, 115C of constituting inboard air door 119,115D, form slit 116, it inserts other compressing tablet 115B, 115C, 115D when inaccessible discharge orifice 41B, can make the inside and outside staggered of a part that compressing tablet 115B, 115C, 115D overlap each other.Under the situation of embodiment, the generation type of each slit 116 is, from the trailing edge of each compressing tablet 115B, 115C, the 115D substantial middle on the direction forwards, backwards, near the position the central authorities that become on the left and right directions, the linearity otch along fore-and-aft direction is set respectively.And each compressing tablet 115B, 115C, 115D when the mode with inaccessible discharge orifice 41B overlaps each other, utilize slit 116 that 115Bb, 115Cb, 115Db or position, the right side 115Ba of left-hand portion, the inside and outside of 115Ca, 115Da are interlocked, and make it to overlap.
Air door spare 110 makes on the position of binding site 113 after main body cloth 111 is sewn onto on the outside face side of car body side wall portion 38D, in the following manner, is configured on the outer circumferential side of air bag 36D with inaccessible discharge orifice 41B.Specifically, shown in Figure 26 A, from state with main body cloth 111 planar developments, at first, shown in Figure 26 B, to be positioned at the compressing tablet 115B (inboard air door 119) on discharge orifice 41B right side, near hinge 113a, turn back to cover discharge orifice 41B, utilize each compressing tablet 115B, the slit 116 of 115C, shown in Figure 26 C, so that the left-hand portion 115Cb of compressing tablet 115C is positioned at the inboard of position, the right side 115Ba of compressing tablet 115B, make position, the right side 115Ca of compressing tablet 115C be positioned at the mode in the outside of the left-hand portion 115Bb of compressing tablet 115B, make compressing tablet 115B, 115C overlaps.Then, make the compressing tablet 115D (inboard air door 119) that is positioned at discharge orifice 41B left side, turn back near the mode that hinge 113a, covers discharge orifice 41B, utilize the slit 116 of each compressing tablet 115C, 115D, shown in Figure 27 A, so that the left-hand portion 115Db of compressing tablet 115D is positioned at the inboard of position, the right side 115Ca of compressing tablet 115C, make position, the right side 115Da of compressing tablet 115D be positioned at the form in the outside of position, the right side 115Ba of compressing tablet 115B, compressing tablet 115D is overlapped with compressing tablet 115B, 115C.Then, shown in Figure 27 B, compressing tablet 115A (outside air door 118) is turned back near hinge 113a in the mode of inaccessible discharge orifice 41B, band portion 60 is run through into jack 43A from ring portion 61 sides.Then,, make ring portion 61 be projected into the outer circumferential side of air bag 36D, can utilize air door spare 110 to make discharge orifice 41B obturation if make ring portion 61 sides of band portion 69 run through jack 43B.
And, in the airbag apparatus M8 of the 8th embodiment, ending under the state of state at the card of removing ring portion 61 and card shotpin 24, air bag 36D is shown in Figure 28 B, so that discharge orifice 41B opening is discharged remaining expansion from discharge orifice 41B and finished expansion with the mode of gas G.In addition, under the state that ring portion 61 is ended by card shotpins 24 cards, air bag 36D finishes expansion in the mode of the blocked state of keeping discharge orifice 41B shown in Figure 28 A.
And, in the airbag apparatus M8 of the 8th embodiment, be inboard air door 119 (the compressing tablet 115B that the configuration conduct can open and close the switching mechanism of discharge orifice 41B on the periphery that is formed at the discharge orifice 41B on the air bag main body 37D (air bag 36D) equally, 115C, 115D), under the situation that the bonded assembly state air bag 36D with the band portion 60 that keeps air door spare 110 and latch for printed circuit 23 expands, this inboard air door 119 (compressing tablet 115B, 115C, 115D) under the state that discharge orifice 41B is remained silent, can utilize outside air door 118 (compressing tablet 115A) the extruding outer peripheral face side of air door spare 110, under the situation that the bonded assembly state air bag 36D with the band portion 60 that removes air door spare 110 and latch for printed circuit 23 expands, inboard air door 119 (compressing tablet 115B, 115C, 115D) open in the mode of the aperture area that enlarges discharge orifice 41B.
That is to say, in the airbag apparatus M8 of the 8th embodiment, because under the situation that the bonded assembly state air bag 36D with the band portion 60 that keeps air door spare 110 and latch for printed circuit 23 expands, the outside air door 118 of air door spare 110 (compressing tablet 115A) extruding makes the outer circumferential side of the inboard air door 119 (compressing tablet 115B, 115C, 115D) that discharge orifice 41B remains silent, thereby can prevent that the inboard air door 119 (compressing tablet 115B, 115C, 115D) that discharge orifice 41B is remained silent is inflated with the gas extruding protrusion significantly, repression of swelling is discharged from discharge orifice 41B with gas to greatest extent.
Particularly, in the airbag apparatus M8 of the 8th embodiment, outside air door 118 (compressing tablet 115A) and inboard air door 119 (compressing tablet 115B, 115C, 115D), with discharge orifice 41B is that the center is with radial configuration, the hinge 113a of each outside air door 118 (115A) and inboard air door 119 (compressing tablet 115B, 115C, 115D) simultaneously forms in the mode around the whole periphery of discharge orifice 41B.And, because each outside air door 118 (compressing tablet 115A) and inboard air door 119 (compressing tablet 115B, 115C, 115D), the inaccessible discharge orifice 41B of mode with coincidence parallel to each other, thereby when expanding with the bonded assembly state air bag 36D expansion of latch for printed circuit 23 with the band portion 60 that keeps outside air door 118 (compressing tablet 115A), can utilize by the inboard air door 119 (compressing tablet 115B, 115C, 115D) of the outer circumferential side of outside air door 118 (compressing tablet 115A) extruding, seamlessly inaccessible discharge orifice 41B can suppress to greatest extent from the gas leakage of discharge orifice 41B.
In addition, in the airbag apparatus M8 of the 8th embodiment, under the situation that the bonded assembly state air bag 36D with the band portion 60 that removes air door spare 110 and latch for printed circuit 23 expands, outside air door 118 (compressing tablet 115A) and inboard air door 119 (compressing tablet 115B, 115C, 115D), the expansion that is flowed in the air bag 36D is pushed with gas G, be that open at the center with hinge 113a respectively, discharge orifice 41B opening.That is to say, in the airbag apparatus M8 of the 8th embodiment, if remove and end state by the card of band portion 60 on latch for printed circuit 23, then because each outside air door 118 (compressing tablet 115A) and inboard air door 119 (compressing tablet 115B, 115C, 115D), be inflated with gas G extruding and open naturally, thereby can make discharge orifice 41B stably increase aperture area, make its opening.And, at this moment, be linearity because each outside air door 118 (compressing tablet 115A) and inboard air door 119 (compressing tablet 115B, 115C, 115D) make hinge 113a, and dislocation configuration each other, thereby when opening, can successfully open, discharge orifice 41B is stably opened.
Therefore, in the airbag apparatus M8 of the 8th embodiment, can easy structure guarantee that discharge orifice 41B stably opens and closes.
In addition, in the airbag apparatus M8 of the 8th embodiment, because discharge orifice 41B is a circular, extend through the inner peripheral surface side and the mode of opening always with outer peripheral face side from air bag 36D (air bag main body 37D), be formed on the car body side wall portion 38D, thereby under the situation that the bonded assembly state air bag 36D with the band portion 60 that removes air door spare 110 and latch for printed circuit 23 expands, can utilize the aperture area of this discharge orifice 41B, the expansion that setting is flowed out from the air bag 36D discharge rate of gas, the expansion in the time of can making discharge orifice 41B opening is stable with the discharge rate of gas.
In addition, in the airbag apparatus M8 of the 8th embodiment, because at three inboard air door 119 (compressing tablet 115B, 115C, 115D) during inaccessible discharge orifice 41B, will inside and outside the part being left-hand portion 115Bb, 115Cb, 115Db and position, right side 115Ba, 115Ca, the mode that 115Da interlocks on interior peripheral direction, overlap configuration each other, thereby under the bonded assembly state of band portion 60 that keeps outside air door 118 (compressing tablet 115A) and latch for printed circuit 23, expansion flows in the air bag 36D with gas, even inboard air door 119 (compressing tablet 115B, 115C, 115D) be inflated with gas and push, make each inboard air door 119 (compressing tablet 115B, 115C, the left-hand portion 115Bb that inside and outside staggered back 115D) overlaps, 115Cb, 115Db and position, right side 115Ba, 115Ca, can produce friction on the surface of 115Da, coincidence status can not removed easily each other yet.Therefore, under the state of the band portion 60 that keeps outside air door 118 (compressing tablet 115A) and the binding of latch for printed circuit 23, when air bag 36D launches to expand, can prevent that inboard air door 119 (compressing tablet 115B, 115C, 115D) is inflated with gas and pushes, move in the mode of protruding from discharge orifice, can further suppress to leak out gas from discharge orifice 41B.In addition, because each inboard air door 119 (compressing tablet 115B, 115C, 115D) constitutes by having flexible weaving cotton cloth, can utilize on this is weaved cotton cloth the slit 116 that forms and each other card end, thereby when expanding with the bonded assembly state air bag 36D expansion of latch for printed circuit 23 with the band portion 60 that removes outside air door 118 (compressing tablet 115A), this inboard air door 119 (compressing tablet 115B, 115C, 115D) coincidence status utilization is each other expanded with the squeese pressure of gas, be easy to just can remove, discharge orifice 41B is opened without barrier.
In the airbag apparatus M8 of the 8th embodiment, as switching mechanism, employing is provided with the structure of three inboard air doors 119 (compressing tablet 115B, 115C, 115D), but the configuration quantity of inboard air door is not limited thereto, for example, also can be shown in Figure 29 A, as the air door spare 110 that uses among the airbag apparatus M9 of the 9th embodiment ' and switching mechanism, adopt as switching mechanism possess two inboard air doors 119 ' structure.With aforesaid air door spare 110 similarly, constitute air door spare 110 ' outside air door 118 ' and as two inboard air doors 119 of switching mechanism ', by the main body cloth 111 with three compressing tablet 115A ', 115B ', 115C ' ' constitute.Main body cloth 111 shown in Figure 29 A ', its be positioned at the bonding pad 112 of central authorities ', on one side for making the roughly equilateral triangle shape that is positioned at front side, each compressing tablet 115A ', 115B ', 115C ' form in the mode of the side and left and right sides extension forwards.Bonding pad 112 ' central authorities near, with aforementioned body cloth 111 similarly, form through hole 112a ' with the cooresponding circle of discharge orifice 41B.And, near bonding pad 112 ' will be sewn onto the whole periphery on the car body side wall portion 38D, around the binding site 113 of the roughly equilateral triangle shape of this through hole 112a ' entire circumference ' each limit 113a ' of linearity, constitute the hinge of each compressing tablet 115A ', 115B ', 115C '.Obviously, binding site 113 ' on the length of each limit (hinge) 113a ', be set at size greater than the diameter of discharge orifice 41B.
The main body cloth 111 shown in Figure 29 A ' in, among each compressing tablet 115A ', 115B ', the 115C ', the compressing tablet 115A ' that is configured in front side is the roughly square shape that can cover other compressing tablet 115B ', 115C ', as outside air door 118 '.Outside crosswind door 118 ' front suture zone portion 60.Compressing tablet 115B ', the 115C ' that is configured in the left and right sides as inboard air door 119 ', be respectively the triangle that has with bonding pad 112 ' roughly the same outer shape.And, near the central authorities on the left and right directions of the trailing edge side of each inboard air door 119 ' (compressing tablet 115B ', 115C '), be provided with slit 116 '.
This air door spare 110 ' in also with aforesaid air door spare 110 in the same manner, shown in Figure 29 B, at first, inboard air door 119 ' (compressing tablet 115B ') turned back in the mode that covers discharge orifice 41B near hinge 113a ', then, shown in Figure 30 A, inboard air door 119 ' (compressing tablet 115C ') turned back near hinge 113a ', utilize each compressing tablet 115B ', the slit 116 of 115C ' ', make position, the right side 115Ca ' of compressing tablet 115C ' be positioned at the outside of the left-hand portion 115Bb ' of compressing tablet 115B ', make the left-hand portion 115Cb ' of compressing tablet 115C ' be positioned at the rear flank of position, the right side 115Ba ' of compressing tablet 115B ', make inboard air door 119 ' (compressing tablet 115B ', 115C ') overlaps each other.Then, shown in Figure 30 B,, band portion 60 is run through into jack 43A, can utilize air door spare 110 ' make discharge orifice 41B obturation if outside air door 118 ' (compressing tablet 115A ') turned back in the mode of inaccessible discharge orifice 41B near hinge 113a '.Used this air door spare 110 ' situation under, owing to can discharge orifice 41B be the center also, with radial configuration each outside air door 118 ' (compressing tablet 115A ') and inboard air door 119 ' (compressing tablet 115B ', 115C '), simultaneously, in mode around the whole periphery of discharge orifice 41B, form the hinge 113a ' of each outside air door 118 ' (compressing tablet 115A ') and inboard air door 119 ' (compressing tablet 115B ', 115C '), thereby when obturation, can seamlessly inaccessible discharge orifice 41B, can suppress gas leakage to greatest extent from discharge orifice 41B.
In addition, configuration quantity as inboard air door 119 (compressing tablet 115B, 115C, 115D), 119 ' (compressing tablet 115B ', the 115C ') of switching mechanism is not limited to above-mentioned, so long as have the hinge of linearity, can be in the inaccessible discharge orifice of difference, utilize hinge to center on the structure of the whole periphery of discharge orifice, also can adopt the structure of configuration more than 4 or 4.In addition, in embodiment, air door spare 110,110 ' outside air door 118,118 ' and as the inboard air door 119 of switching mechanism, 119 ', can be by with compressing tablet 115,115 ' by bonding pad 112,112 ' integratedly main body cloth 111 that constitute, 111 ' constitute, but the outside air door of air door spare and the shape of inboard air door are not limited to by this obviously, outside air door and inboard air door as air door spare, also can use and have each compressing tablet and have a style of one's own, the structure that combines with car body side wall portion 38D respectively, in addition, shown in this embodiment, outside air door and inboard air door as air door spare, under the situation having bonding pad by bonding pad configuration compressing tablet,, each compressing tablet is combined with the car body side wall portion if the whole periphery of the through hole in the bonding pad is all sewed up, compare with the situation that the car body side wall portion is sewed up respectively with each compressing tablet one of doing for oneself, can reduce the quantity in man-hour of sewing up operation, with the quantity in man-hour of minimizing air bag manufacturing, thereby preferred.
In addition, the device that uses among the airbag apparatus M10 as the 10th embodiment also can use the air door spare 127 of structure shown in Figure 31～33.Air door spare 127 is the device that uses among the air bag 36E as shown in figure 31, in air bag 36E, only disposes the jack 43A of band portion 60 insertions that make air door spare 127 near discharge orifice 41C.In addition, in air bag 36E, discharge orifice 41C is with square shape opening roughly and constitute.
Air door spare 127 is shown in Figure 32,33, and main body cloth 128 that can inaccessible discharge orifice 41C by the interior all sides that are configured in air bag main body 37E and the band portion 60 that is connected on the main body cloth 128 constitute.
Main body cloth 128 and air bag main body 37E are in the same manner, by comprising that polyamide thread and polyester line etc. have flexible weaving cotton cloth and constitute, shown in Figure 32～34, bonding pad portion 129 and main part 135 by all sides in being configured in constitute, this main part 135 is configured between this bonding pad portion 129 and the car body side wall portion 38E, can inaccessible discharge orifice 41C.
Bonding pad portion 129 is shown in Figure 32,34,35, be to make Width roughly along the oblong-shaped of fore-and-aft direction, dispose near the central authorities with the left and right sides except the front side and rear end on the slit 129a that roughly is the コ word shape that forms continuously, position with the inboard of slit 129a, as with band portion 60 together with main part 135 side bonded assembly supplementary plate portions 130, with the position in the outside of slit 129a, as the linking frame portion 131 that combines with car body side wall portion 38E side.Supplementary plate portion 130 is when the opening of discharge orifice 41C, can together open with main part 135, to be positioned near the front end 130a side of hinge 132a described later of main part 135, hinge when opening, be incorporated on the inner peripheral surface side by the base portion 60a latasuture that makes band portion 60, strengthen near the position of this base portion 60a.In addition, under the situation of embodiment, supplementary plate portion 130 is set at outer shape with discharge orifice 41C roughly the same, with the cooresponding position of discharge orifice 41C on form.
Linking frame portion 131, whole front edge side that will be except that the trailing edge side and about two edge sides, be sewn onto car body side wall portion 38E and combination.Under the situation of embodiment, main part 135 passes through on the position 132a of the front on this binding site 132, together is sewn on the car body side wall portion 38E with linking frame portion 131 to combine, and this front position 132a constitutes the hinge of main part 135.
And the trailing edge side in the linking frame portion 131 constitutes extruding framework 133.That is to say that the structure of extruding framework 133 is, will become with the orthogonal directions of band portion 60 about near two edge, utilize binding site 132 to be attached on the car body side wall portion 38E.And, near the central authorities of the left and right directions on the trailing edge side of extruding framework 133, form and be cut into the roughly OBL recess 133a that can insert band portion 60.
Main part 135 is under the situation of this embodiment, constituted mode is, be to make length direction roughly tabular along the oblong of fore-and-aft direction, utilization is formed at the binding site 132 in the linking frame portion 131, leading edge 135a side and linking frame portion 131 together are sewn onto on the car body side wall portion 38E, and the front position 132a that will be positioned near the binding site 132 of this leading edge 135a is as hinge.Main part 135 sizes are set at, and can prevent gas leakage when discharge orifice 41C is inaccessible, and when discharge orifice 41C opening, can be from hinge 132a insertion discharge orifice 41C and outstanding outside air bag 36E.Specifically, main part 135 is set at width dimensions T2 greater than the left and right directions of supplementary plate portion 130 (discharge orifice 41C) with the width dimensions T1 on the left and right directions, and less than the width dimensions T3 (with reference to Figure 35 A) of the left and right directions of binding site 132.In addition, main part 135 is shown in Figure 35 A, under the state of planar development, so that away from the trailing edge side of hinge 132a from the rearward outstanding mode of extruding framework 133, the length dimension L 1 of fore-and-aft direction is set at length dimension L2 (with reference to Figure 35 A) greater than the fore-and-aft direction of linking frame portion 131.That is to say that the structure of main part 135 is under the state that is arranged between bonding pad portion 129 and the car body side wall portion 38E, only leading edge 135a side to be combined with car body side wall portion 38E.In addition, main part 135 makes the band portion 60 of together having sewed up base portion 60a side with supplementary plate portion 130, in the front away from hinge 132a, and sews up on extruding framework 133 position overlapped.
And, main part 135 is under the state of planar development, shown in Figure 35 A, will be from the rearward outstanding front-end edge portion 136 of extruding framework 133, when vehicle is installed, shown in Figure 32,33,35B, near the position the trailing edge that becomes extruding framework 133, be positioned over interior all sides of extruding framework 133 after turning back, and then dispose in the mode of interior all sides of band portion 60 being positioned over this front-end edge portion 136 after turning back.Front-end edge portion 136 is under the situation of this embodiment, with the width dimensions T4 on the fore-and-aft direction, be set at and be formed at and push the width dimensions T5 roughly the same (with reference to Figure 35 A) of the fore-and-aft direction of the recess 133a on the framework 133, front-end edge portion 136 utilizes the outstanding interior all sides of band portion 60 extruding from recess 133a.That is to say, after main part 135 is turned back, utilize the front-end edge portion 136 be clipped between extruding framework 133 and the band portion 60, become the form at position of the trailing edge side of inaccessible discharge orifice 41C.And band portion 60 runs through and is positioned at discharge orifice 41C periphery and after being formed at the jack 43A of rear side of extruding framework 133, as shown in figure 31, is configured so that front end 60b side (ring portion 61 sides) is positioned at the mode of the outer circumferential side of air bag 36E.
In the airbag apparatus M10 of the 10th embodiment, be formed at the ring portion 61 of the front end 60b side of band portion 60, be that card ends the structure in the latch for printed circuit 23 on the bottom wall portion 13 that is formed at air-bag support 11, the length dimension of band portion 60 is set at following size, promptly, card at the card shotpin 24 of keeping ring portion 61 and latch for printed circuit 23 ends under the state of state, and air bag 36E is to finish expansion without barrier.And, main part 135 is when launching to expand with the bonded assembly state air bag 36E that removes ring portion 61 and latch for printed circuit 23, being pushed with gas by the expansion that flows in the air bag 36E, is centre of gration with hinge 132a, opens to insert the mode of giving prominence to behind the discharge orifice 41C outside air bag 36E.At this moment, band portion 60 is along with main part 135 moves, and makes near the position 60d that are positioned at the main part 135 outstanding outside air bag 36E.
The main body cloth 128 of embodiment as shown in figure 34, portion constitutes with base cloth 138 by main body cloth, this main body cloth portion makes bonding pad portion 129 and main part 135 with base cloth 138, and it is consistent and respectively in the front edge side bonded assembly outer shape of type shape roughly to become the central authorities that make on the left and right directions.And the air door spare of embodiment 127 can be with following method manufacturing.Specifically, the main body cloth portion base cloth 138 of slit 129a will be formed on the position of bonding pad portion 129 in advance, on the position of the front edge side that becomes bonding pad portion 129 and main part 135, utilization is sewn onto near the base portion 60a with band portion 60 on supplementary plate portion 130 and the main part 135 after turning back along the folding line C1 (with reference to Figure 34) of left and right directions.Then,, main body cloth portion is configured to the inner surface side of car body side wall portion 38E with base cloth 138, on the position of binding site 132, is sewn onto car body side wall portion 38E and goes up (with reference to Figure 35 A) so that bonding pad portion 129 is positioned at the mode of all sides.And, on near the position the trailing edge that becomes extruding framework 133, turn back from the rearwardly projecting front-end edge of extruding framework 133 portion 136, shown in Figure 32,33,35B, to be clipped in the mode between extruding framework 133 and the band portion 60, place interior all sides of extruding framework 133.If band portion 60 is run through be formed at the jack 43A on the car body side wall portion 38E, can utilize air door spare 127, make discharge orifice 41C obturation.
In the airbag apparatus M10 of the 10th embodiment, the main part 135 of air door spare 127 is configured on interior all sides of air bag 36E, and simultaneously, its size is set at and can prevents gas leakage when discharge orifice 41C is inaccessible.That is to say, in the airbag apparatus M10 of the 10th embodiment, when keeping air door spare 127 and launch to expand with bonded assembly state air bag 36E as the latch for printed circuit 23 of controller for opening and closing, can utilize main part 135, seamlessly inaccessible discharge orifice 41C, and can prevent that gas from leaking from discharge orifice 41C.In addition, in the airbag apparatus M10 of the 10th embodiment, the main part 135 of air door spare 127 and latch for printed circuit 23 dispose away from each other, but following structure, promptly, be configured in the band portion 60 of the front of main part 135, dispose in the mode that runs through among the jack 43A that disposes near the periphery discharge orifice 41C.That is to say,, be configured in the band portion 60 of interior all sides of air bag 36E, after near the periphery the discharge orifice 41C runs through, be configured in the outer circumferential side of air bag 36E in main part 135 sides.Therefore, can be near the periphery the discharge orifice 41C, utilize perisporium (car body side wall portion) 39E that constitutes air bag 36E, the band portion 60 under the state with the coupled condition of latch for printed circuit 23 is kept in extruding.In other words, band portion 60 utilizes car body side wall portion 38E extruding to be positioned at the position 60d of the outer circumferential side of air bag 36E than the more forward end 60b of jack 41C side.Its result, even when expanding with the bonded assembly state air bag 36E that keeps band portion 60 and latch for printed circuit 23, also but inhibition zone portion 60 can utilize the inaccessible reliably discharge orifice 41C of main part 135 to move from the outstanding mode of discharge orifice 41C, suppresses gas and leaks from discharge orifice 41C.
In addition, in the airbag apparatus M10 of the 10th embodiment, the size of the main part 135 of air door spare 127 is set at, when discharge orifice 41C opening, and can be from hinge 132a insertion discharge orifice 41C and outstanding outside air bag 36E.Therefore, when launching to expand with the bonded assembly state air bag 36E that removes band portion 60 and latch for printed circuit 23, main part 135 is pushed with gas G by the expansion that flows in the air bag 36E, as shown in figure 36, with hinge 132a is the center, to open discharge orifice 41C opening from discharge orifice 41C outstanding mode outside air bag 36E.In addition, at this moment band portion 60 so that near the position 60d the main part 135 and main part 135 1 in the same way the outstanding outward mode of air bag 36E move, main part 135 is given prominence to outside air bag 36E without barrier.That is to say, have in use under the situation of air bag 36E of said structure, if because the coupled condition of releasing and latch for printed circuit 23, then main part 135 is inflated with the gas extruding and opens naturally, thereby can make discharge orifice 41C opening stably, in addition, owing to can guarantee that the aperture area of discharge orifice 41C is bigger, thereby can discharge a large amount of expansion gas from discharge orifice 41C.Therefore, keeping when removing being connected of air door spare 127 and latch for printed circuit 23, can change the expansion of discharging from discharge orifice 41 discharge rate significantly, can change the interior pressure of the air bag 36E that making expands finishes significantly with gas.
In addition and since the 10th embodiment airbag apparatus M10 in, it is together folding with air bag 36E also to be set at air door 127, thereby air door spare 127 and folding air bag 36E are together accommodated, and can not cause the increase of device and complicated.
Therefore, in the airbag apparatus M10 of the 10th embodiment, also available easy structure is stably guaranteed the switching of discharge orifice 41C.
In addition, in the airbag apparatus M10 of the 10th embodiment, air door spare 127 under the state of front-end edge portion 136 obturations of turning back in the mode that is positioned over all sides in the extruding framework 133, is accommodated air bag 36E with the front away from hinge 132a in the main part 135.And, because the front-end edge portion 136 after this is turned back is for being clipped in the form between band portion 60 and the extruding framework 133, thereby when launching to expand,, keep the state of turning back of front-end edge portion 136 by 60 extruding of band portion with the bonded assembly state air bag 36E that keeps air door spare 60 and latch for printed circuit 23.Therefore, when launching to expand with the bonded assembly state air bag 36E that keeps band portion 60 and latch for printed circuit 23, prevent from main part 135 front-end edge portion 136 to two lateral margins that hinge 132a side is extended (about two edge) 135b, 135c (with reference to Figure 34,35B) partly turnup to discharge orifice 41C side, can can further suppress gas and leak with the inaccessible discharge orifice 41c of stable sheet from discharge orifice 41C.
In addition, if do not consider these problems, then shown in Figure 37,38, also can use the air door spare 140 that uses among the airbag apparatus M11 of the 11st embodiment with main body cloth portion 141.Main body cloth portion 141 is shown in Figure 37 B, by having bonding pad portion 142 and constituting with base cloth 149 with the roughly OBL main body cloth portion of the main part side 145 of bonding pad portion 142 roughly the same shapes, shown in Figure 37 A, 38, make bonding pad portion 142 be positioned at all sides of main part side 145, be configured in interior all sides of car body side wall portion 38F.
The structure of bonding pad portion 142 is, at near the slit 142a that has the roughly コ word shape that on the left and right sides except the front side and rear end, forms continuously the central authorities, with the inside line of slit 142a as together being connected the supplementary plate portion 143 of main part 146 sides described later with band portion 60, with the outside left of slit 142a, as the linking frame portion 144 that combines with car body side wall portion 38F side.Supplementary plate portion 143, with outer shape be set at be formed at car body side wall portion 38F on discharge orifice 41D identical, be configured in the cooresponding position of discharge orifice 41D on.
The structure of main part side 145 is, slit 145a with near the roughly コ word shape that on the left and right sides except the front side and the rear end central authorities, forms continuously, with the inside line of slit 145a as main part 146, with the outside left of slit 145a as the linking frame portion 147 that combines with car body side wall portion 38F.The size of main part 146 can prevent gas leakage when being set at discharge orifice 41D obturation, and when discharge orifice 41D opening, gives prominence to outside air bag after hinge 148a described later inserts discharge orifice 41D.Specifically, main part 146 is set at the width dimensions greater than all around direction of supplementary plate portion 143 (discharge orifice 41C) with the width dimensions of all around direction.And band portion 60 and aforementioned body cloth 128 are combined on supplementary plate portion 143 and the main part 146 at base portion 60a latasuture in the same manner, are sewn onto on the main part 146 in the middle part away from base portion 60a.
And, in the main body cloth portion 141 of embodiment, main body cloth portion is located to turn back at the folding line C2 at the position that is formed at the front edge side that becomes bonding pad portion 142 and main part side 145 (with reference to Figure 37 B) with base cloth 149, under linking frame 142,147 inside and outside overlapping states, periphery with linking frame 142,147, whole positions beyond the gap 148b that is used to insert the band portion 60 that is disposed at rear end side, be sewn onto on the car body side wall portion 38F, the position 148 of the front in this binding site 148 constitutes the hinge of main part 146.
In the airbag apparatus M 11 of the 11st embodiment of the air door spare 140 that has used main body cloth portion 141 with this structure, front away from the hinge 148a in the main part 146 is not turned back, become the state that this part can not be inaccessible, but because the size of main part 146 is set at, can when discharge orifice 41D is inaccessible, prevent gas leakage, even thereby end under the situation that the state airbag deployment on the latch for printed circuit 23 expands with band portion 60 cards, also can utilize the inaccessible reliably discharge orifice 41D of main part 146, suppress from discharge orifice 41D gas leakage.Under the situation that the state airbag deployment that ends state with the card of removing band portion 60 and latch for printed circuit 23 expands, the expansion that main part 146 is flowed in the air bag is pushed with gas, with hinge 148a is centre of gration, open to insert the mode of giving prominence to behind the discharge orifice 41D outside air bag, discharge orifice 41D is opening successfully.
And the device that uses among the airbag apparatus M12 as the 12nd embodiment also can use to be formed at car body side wall portion 38G and to go up discharge orifice 41E and be the approximate right angle triangle, has the air door spare 151 of the main body cloth portion 152 of the structure shown in Figure 39,40.Discharge orifice 41E is shown in Figure 39 A, so that the hypotenuse side forms along the mode that left and right directions is positioned at the place ahead.Main body cloth portion 152 is shown in Figure 39 B, constitute with base cloth 159 in the main body cloth portion of hypotenuse side by bonding pad portion 153 that makes the approximate right angle triangle and main part 157 in conjunction with this roughly square shape, shown in Figure 39 A, 40, bonding pad portion 153 disposes in the mode of all sides of being positioned at main part 157.
Bonding pad portion 153 is an approximate right angle set square shape, so that the hypotenuse side disposes along the mode that left and right directions is positioned at the place ahead.Bonding pad portion 153 constitutes, has the slit 153a that roughly is the L word shape that except the front side, forms continuously, the position and the band portion 60 of the inboard of slit 153a are connected on main part 157 sides described later together, as the supplementary plate portion 154 that has with discharge orifice 41E corresponding shape, with the outside left of slit 153a as the linking frame portion 155 that combines with car body side wall portion 38G side.Linking frame portion 155 will be except the part of rear end side whole periphery, be sewn onto on the car body side wall portion 38G and carry out combination.And main part 157 is sewn onto on the car body side wall portion 38G with linking frame portion 155 and carries out combination on the front position 156a on this binding site 156, and this front position 156a constitutes the hinge of main part 157.
The shape set of main part 157 is, make hypotenuse (hinge 156a) be positioned at the approximate right angle triangle of front, when its size is set at discharge orifice 41E obturation, can prevent gas leakage, and when discharge orifice 41E opening, can be from hinge 156a insertion discharge orifice 41E and outstanding outside air bag.In addition, the constituted mode of main part 157 is, in mode only front edge side is sewed up with linking frame portion 155, the folding line C3 (with reference to Figure 39 B) that main body cloth portion is formed on the position of the front edge side that becomes bonding pad portion 153 and main part 157 with base cloth 159 is positioned at than on binding site 156 position more in the inner part the periphery except front edge side when locating to turn back.And band portion 60 and aforementioned body cloth 128,141 are incorporated on supplementary plate portion 153 and the main part 157 at base portion 60a latasuture in the same manner, are being sewn onto on the main part 157 on the middle part away from base portion 60a.
Have in the air door spare 151 of main body cloth portion 152 of this structure, front away from the hinge 156a of main part 157 is not turned back, become the state that this part can't be inaccessible, but because in main body cloth portion 152, the size of main part 157 is set at and can prevents gas leakage when discharge orifice 41E is inaccessible, even thereby end under the situation that the state airbag deployment on the latch for printed circuit 23 expands with band portion 60 cards, also can utilize the inaccessible effectively discharge orifice 41E of main part 157, can suppress gas and leak from discharge orifice 41E.Certainly, under the situation that the state airbag deployment that ends state with the card of removing band portion 60 and latch for printed circuit 23 expands, the expansion that main part 157 is flowed in the air bag is pushed with gas, with hinge 156a is the center, open to insert the mode of giving prominence to behind the discharge orifice 41E outside air bag, discharge orifice 41E is opening successfully.
In the main body cloth 128,141,152 of the air door spare 127,140,151 in the 10th～12 embodiment, in bonding pad portion 129,142,153, form supplementary plate portion 130,143,154, they utilize band portion 60 to be connected with main body 135,146,157, increase near the Joint strenght of base portion 60a of band portion 60, but can adopt this supplementary plate 130,143,154 is not set yet, constitute bonding pad portion in the mode of removing this position, and the structure of connecting band portion 60 on main body 135,146,157 only.
In addition, in embodiment, as airbag apparatus, the air bag that adopts bearing circle to use is that example describes, but applicable airbag apparatus of the present invention is not limited thereto, for example, and also applicable the present invention on the airbag apparatus of used for assistant person.

Claims (10)

1. airbag apparatus has with the lower part and constitutes:
Air bag, it makes expansion flow into gas, and the folded state when accommodating expands, and has discharge orifice simultaneously, and this discharge orifice can make the expansion of inflow discharge with the part of gas;
Controller for opening and closing, it can control the switching of aforementioned discharge orifice; And
Can with aforementioned air bag folding air door spare together; It is set to; Be connected with the aforementioned tap periphery away from aforementioned controller for opening and closing one side of this controller for opening and closing and aforementioned air bag outer peripheral face side; When keeping being connected of aforementioned controller for opening and closing when expanding with aforementioned air bag; Push aforementioned tap periphery and aforementioned tap is remained silent; During being connected of the aforementioned controller for opening and closing when removing with aforementioned air bag expansion; Be inflated and use gas extrusion; So that the mode of aforementioned tap opening is opened
On the discharge orifice periphery of aforementioned air bag, can switching mechanism being set with the mode that aforementioned air bag together folds, during being connected of the aforementioned air door spare of this switching mechanism when keeping aforementioned airbag inflation and aforementioned controller for opening and closing, by aforementioned air door spare extruding outer peripheral face side, keep the state of remaining silent of aforementioned discharge orifice, and, during being connected of the aforementioned air door spare when removing aforementioned airbag inflation and aforementioned controller for opening and closing, being inflated with gas and pushing and open in the mode of the aperture area that increases aforementioned discharge orifice.
2. airbag apparatus according to claim 1, its constituted mode be,
The configuration mode of aforementioned discharge orifice is, extends through the inner peripheral surface side from aforementioned air bag outer peripheral face side, always keeps opening,
Aforementioned switching mechanism is made of inboard air door, and this inboard air door is set to combine with the aforementioned discharge orifice periphery of aforementioned air bag outer peripheral face side, inaccessible aforementioned discharge orifice of while,
During being connected of the aforementioned air door spare of this inboard air door when keeping aforementioned airbag inflation and aforementioned controller for opening and closing, by aforementioned air door spare extruding outer peripheral face side, inaccessible aforementioned discharge orifice, and, during being connected of the aforementioned air door spare when removing aforementioned airbag inflation and aforementioned controller for opening and closing, will with the binding site of aforementioned air bag as hinge, be inflated with the gas extruding and open, in the mode that expansion is discharged from aforementioned discharge orifice with gas, make aforementioned discharge orifice opening outside aforementioned air bag.
3. airbag apparatus according to claim 2,
Aforementioned inboard air door, making becomes mentioned hinge portion and binding site aforementioned air bag, be configured in aforementioned discharge orifice periphery on the aforementioned air door spare position relative with the binding site of aforementioned air bag on.
4. airbag apparatus according to claim 3,
In the binding site of aforementioned air door spare and aforementioned air bag or the binding site of aforementioned inboard air door and aforementioned air bag at least one, so that two ends constitute towards the mode bending of another aforementioned binding site side,
Aforementioned air door spare and the binding site of aforementioned air bag and the binding site of aforementioned inboard air door and aforementioned air bag constitute so that the end is configured in approximating locational mode.
5. airbag apparatus according to claim 1,
Aforementioned discharge orifice is set to extend through from aforementioned air bag outer peripheral face side the slit of inner peripheral surface side,
The constituted mode of aforementioned switching mechanism is,
Periphery by aforementioned slots constitutes,
During being connected of the aforementioned air door spare when keeping aforementioned airbag inflation and aforementioned controller for opening and closing, by aforementioned air door spare extruding outer peripheral face side, restriction increases the opening of aforementioned slots aperture area, keeps the state of remaining silent of aforementioned discharge orifice thus.
During being connected of the aforementioned air door spare when removing aforementioned airbag inflation and aforementioned controller for opening and closing, be inflated with the gas extruding to increase the mode opening of aforementioned slots aperture area, so that aforementioned discharge orifice opening.
6. airbag apparatus according to claim 5,
The constituted mode of aforementioned slots is,
Can be with the position that connects two ends as hinge, the zone that will be surrounded by aforementioned slots is roughly U word shape as door portion is configured to from aforementioned air bag outer peripheral face side observe with the gas extruding by aforementioned expansion,
During being connected of the aforementioned air door spare when removing aforementioned airbag inflation and aforementioned controller for opening and closing,, open aforementioned door portion, make aforementioned discharge orifice opening to be inflated the mode that increases the aforementioned slots aperture area with the gas extruding.
7. airbag apparatus according to claim 6,
Aforementioned door portion is configured to, and the hinge when opening is on the position relative with the binding site of aforementioned air bag of the aforementioned air door spare on the aforementioned discharge orifice periphery when being configured in opening.
8. airbag apparatus according to claim 2,
Aforementioned inboard air door disposes more than 2 or 2 at least,
Simultaneously, the binding site of the binding site of aforementioned inboard air door and aforementioned air bag and aforementioned air door spare and aforementioned air bag, in the mode around whole aforementioned discharge orifice, dislocation configuration each other,
In the aforementioned inboard air door at least one has slit, its from interior all sides of this inboard air door to outer circumferential side, or from outer circumferential side to interior all sides, insert other inboard air door, can make the inside and outside staggered of a part that aforementioned inboard air door overlaps each other.
9. airbag apparatus is made of following each several part:
Air bag, it makes expansion flow into gas, and the folded state when accommodating expands, and has discharge orifice simultaneously, and this discharge orifice can make the expansion of inflow discharge with the part of gas;
Controller for opening and closing, the switching of the aforementioned discharge orifice of its may command;
Can with aforementioned air bag folding air door spare together; It is set to; Be connected with the aforementioned tap periphery away from aforementioned controller for opening and closing one side of this controller for opening and closing and aforementioned air bag inner peripheral surface side; When keeping being connected of aforementioned controller for opening and closing when expanding with aforementioned air bag; Push aforementioned tap periphery and aforementioned tap is remained silent; During being connected of the aforementioned controller for opening and closing when removing with aforementioned air bag expansion; Be inflated and use gas extrusion; So that the mode of aforementioned tap opening is opened
The configuration mode of aforementioned discharge orifice is, extends through the outer peripheral face side from aforementioned air bag inner peripheral surface side, always keeps opening,
Aforementioned air door spare has:
Main part, it combines with aforementioned discharge orifice periphery of all sides in the aforementioned air bag, simultaneously will with the binding site of aforementioned air bag, the hinge of opening during as aforementioned discharge orifice opening, with roughly linearity configuration, can inaccessible aforementioned discharge orifice; And
Band portion, the front that it is configured in away from mentioned hinge portion runs through near the periphery of aforementioned discharge orifice, is connected with aforementioned controller for opening and closing,
The size of aforementioned body portion is set at aforementioned discharge orifice can prevent gas leakage when inaccessible, and, when aforementioned discharge orifice opening, can insert aforementioned discharge orifice from aforementioned hinge, outstanding outside aforementioned air bag,
At least near the periphery the aforementioned discharge orifice of aforementioned air bag is run through near the position the aforementioned body portion of aforementioned band portion, can insert aforementioned discharge orifice when aforementioned discharge orifice opening and outstanding outside aforementioned air bag.
10. airbag apparatus according to claim 9,
Aforementioned air door spare has front-end edge portion in the front away from mentioned hinge portion of aforementioned body portion, and this front-end edge portion to be to extend to both sides with the mode of aforementioned band portion quadrature, is configured in the outer circumferential side of aforementioned band portion,
Interior all side configuration extruding frameworks at aforementioned air bag, it covers in aforementioned body portion the mentioned hinge portion side of the aforementioned front-end edge portion on all sides, for can make with aforementioned band portion orthogonal directions on two edge near combine with aforementioned air bag inner peripheral surface side have a flexible sheet, and, has recess at periphery, part can be passed to recess near the aforementioned body portion side in the aforementioned band portion
When aforementioned air door spare is accommodated at aforementioned airbag fold, the front-end edge portion of aforementioned body portion is turned back be placed on interior all sides of aforementioned extruding frame, make aforementioned band deploy interior all sides of the aforementioned front-end edge portion after aforementioned fold return, accommodate aforementioned air bag.
CNB2006101608096A 2005-11-28 2006-11-28 Airbag apparatus Expired - Fee Related CN100475614C (en)

Applications Claiming Priority (3)

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JP2005342497A JP2007145181A (en) 2005-11-28 2005-11-28 Air bag device
JP2005342497 2005-11-28
JP2006138128 2006-05-17

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CN1974274A true CN1974274A (en) 2007-06-06
CN100475614C CN100475614C (en) 2009-04-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102405157A (en) * 2009-04-21 2012-04-04 奥托立夫开发公司 Airbag module having an airbag with an adaptive ventilation opening
CN105966342A (en) * 2016-03-25 2016-09-28 东方久乐汽车安全气囊有限公司 Driver air bag mechanism and steering wheel provided with air bag mechanism

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JP5166779B2 (en) * 2007-06-18 2013-03-21 タカタ株式会社 Air bag, air bag device, and air bag exhaust method
JP4946984B2 (en) * 2007-09-20 2012-06-06 豊田合成株式会社 Actuator with actuating pin
GB201113411D0 (en) * 2011-08-04 2011-09-21 Ford Global Tech Llc An airbag having a pressure responsive vent
WO2020116024A1 (en) * 2018-12-04 2020-06-11 オートリブ ディベロップメント エービー Airbag device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102405157A (en) * 2009-04-21 2012-04-04 奥托立夫开发公司 Airbag module having an airbag with an adaptive ventilation opening
CN102405157B (en) * 2009-04-21 2013-12-11 奥托立夫开发公司 Airbag module having an airbag with an adaptive ventilation opening
CN105966342A (en) * 2016-03-25 2016-09-28 东方久乐汽车安全气囊有限公司 Driver air bag mechanism and steering wheel provided with air bag mechanism

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CN100475614C (en) 2009-04-08

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