CN103569022A - Method for folding air-bag cushion - Google Patents

Method for folding air-bag cushion Download PDF

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Publication number
CN103569022A
CN103569022A CN201310287947.0A CN201310287947A CN103569022A CN 103569022 A CN103569022 A CN 103569022A CN 201310287947 A CN201310287947 A CN 201310287947A CN 103569022 A CN103569022 A CN 103569022A
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China
Prior art keywords
folding
airbag cushion
tucked
stage
retainer
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Granted
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CN201310287947.0A
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Chinese (zh)
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CN103569022B (en
Inventor
权海旭
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Hyundai Mobis Co Ltd
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Hyundai Mobis Co Ltd
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Publication of CN103569022A publication Critical patent/CN103569022A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/237—Inflatable members characterised by the way they are folded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

The present invention relates to a method for folding an air-bag cushion, wherein the method takes a retaining device as the reference, and enables the size of a lower part to be greater than that of an upper part. The method for minimizing the damage of the subsidence and a windshield when the air-bag cushion is unfolded, comprises a first stage of tucking and folding the lower part upwards for at least one time to form a lower part tucking part; a second stage of folding the upper part downwards for at least one time and folding the lower part tucking part upwards for at least one time; a third stage of overlapping the folded upper part and the folded lower part tucking part at the front of the retaining device to fold.

Description

The method for folding of airbag cushion
Technical field
The invention relates to airbag cushion method for folding, more specifically, is about improving the method for folding of the airbag cushion that launches safety.
Background technology
Generally speaking, the air bag device of vehicle, it arranges object and is, is arranged at operator's saddle or front passenger's seat the place ahead, and airbag cushion instantaneous expansion when vehicle collision is protected the safety of chaufeur and passenger's life and health simultaneously.
Safety air bag for vehicle is divided into, and for the safety air bag (Driver Air-Bag) of chaufeur, is arranged on bearing circle protection at the chaufeur of operator's saddle; Airbag (Passenger Air-Bag), is arranged on the instrument carrier panel before passenger, and protection is the passenger of front passenger's seat.Safety air bag for chaufeur is indispensable item, and airbag is to select item, but recently in order to protect co-driver, the vehicle that passenger airbag becomes indispensable item increases.
The formation of the passenger air bag apparatus of vehicle comprises: safety air bag shell, is arranged on instrument carrier panel; Charging blower, is arranged on described safety air bag enclosure, makes gas ejection during vehicle collision; Airbag cushion, is accommodated in described safety air bag shell, and the gas of the described charging blower of foundation launches to passenger the place ahead; Retainer, is arranged on described safety air bag shell, supports described airbag cushion, forms and makes the gas of described charging blower be released to described airbag cushion.
Air bag device, in order to improve the expansion safety of airbag cushion, needs up/down to launch simultaneously.When but up/down is launched simultaneously, due to Windshield and amount of interference increase, there is the high problem of possibility of windshield broken.
Summary of the invention
(technical matters that will solve)
The invention provides airbag folding patterns, the problem that solve is, the expansion safety of airbag cushion is improved, and prevents the breakage of the Windshield when launching airbag cushion.
Problem of the present invention is not restricted to, in the problem of referring to above, not refer to or other problems, from following record, can clearly be understood by practitioner.
(means of dealing with problems)
For reaching described problem, according to the method for folding of airbag cushion, take retainer as benchmark, the size that forms bottom is larger than the size on top.Method for folding according to the airbag cushion of embodiments of the invention, comprising: the 1st stage, (tuck in) at least tucked in to upside in the bottom of airbag cushion folding once, and form bottom and tucked in portion (tuck in part); In the 2nd stage, the top of described airbag cushion is at least folding once to downside, and it is at least folding once to upside that portion has been tucked in described bottom; And the 3rd stage, the top of described folding airbag cushion and front side that the described folding bottom portion of having tucked in overlaps retainer are folded.
The details of other embodiment are included in and describe in detail and drawing.
(effect of invention)
According to the method for folding of airbag cushion of the present invention, there is one or more following effect.
The first, have advantages of and can improve peace air bag cushion extensibility.
The second, when airbag cushion launches, have advantages of and can prevent the damaged of Windshield.
Effect of the present invention is not limited by the effect referring to above, do not refer to or other effects, the record that practitioner can Accessory Right claimed range is clearly understood.
Accompanying drawing explanation
Fig. 1 is according to one embodiment of the invention, shows the drawing of airbag cushion planar view.
Fig. 2 is according to one embodiment of the invention, is presented at the cross-sectional side view that automobile is installed airbag cushion apperance.
Fig. 3 a is according to one embodiment of the invention, the planar view in the 1st stage in the method for folding of demonstration airbag cushion.
Fig. 3 b is according to one embodiment of the invention, the planar view in the 2nd stage in the method for folding of demonstration airbag cushion.
Fig. 3 c is according to one embodiment of the invention, the planar view in the 3rd stage in the method for folding of demonstration airbag cushion.
Fig. 3 d is according to one embodiment of the invention, the planar view in the 4th stage in the method for folding of demonstration airbag cushion.
Fig. 4 a is according to one embodiment of the invention, the cross-sectional side view in the 1st stage in the method for folding of demonstration airbag cushion.
Fig. 4 b is according to one embodiment of the invention, the cross-sectional side view in the 2nd stage in the method for folding of demonstration airbag cushion.
Fig. 4 c is according to one embodiment of the invention, the cross-sectional side view in the 3rd stage in the method for folding of demonstration airbag cushion.
Fig. 5 is according to one embodiment of the invention, shows the drawing of the expansion process of safety air bag.
(description of reference numerals)
Figure BDA00003490060900031
The specific embodiment
With together with additional drawing with reference to after the embodiment that chats, can advantage clearly of the present invention and feature, the method for being reached in addition.But, the embodiment that the present invention is not limited in following discloses, but can realize with mutual different various form, just the present embodiment for make of the present invention openly can be complete, for the complete staff who has common knowledge in each technical field that the present invention belongs to that informs of the category of invention is provided, and the present invention only defines according to a category for claim.In the identical reference marks through overall manual, be called identical inscape.
Below, be referenced as explanation according to the drawing of the method for folding of the airbag cushion 100 of the embodiment of the present invention, the present invention will be described.
Fig. 1 is according to one embodiment of the invention, shows the drawing of the planar view of airbag cushion.Fig. 2 is according to one embodiment of the invention, is presented at the cross-sectional side view that automobile is installed the apperance of airbag cushion.
With reference to Fig. 1 and Fig. 2, according to the airbag cushion of one embodiment of the invention 100, the retainer 130 that charging blower 200 is installed of take is benchmark, and the size that forms bottom 120 is larger than the size on top 110.
The size formation on the top 110 of safety air bag 100 is slighter greatly than bottom 120.To this, the top 110 of airbag cushion 100 upon deployment, makes the smaller volume on top 110, can make the dynamics that puts on Windshield 500 reduce.Thereby, even if airbag cushion 100 launches, also can not there is the damage of Windshield 500.
In addition, the larger formation in bottom 120 of airbag cushion 100, airbag cushion 100 upon deployment, due to the 120 generation sinkings in bottom, therefore can be protected passenger's knee.（K）
Charging blower 200 is as the device of emitting the gas of high temperature, high pressure, when vehicle collision, by retainer 130, at airbag cushion 100 filling gass, airbag cushion 100 is launched to passenger.
The top 110 of airbag cushion 100 upon deployment, is understood and be contacted with Windshield 500, and upon deployment, understand and passenger's contact protection passenger bottom 120.
Airbag cushion 100 forms respectively deflation hole 141, and the gas in the airbag cushion of left and right sides face 140 fillings is outwards emitted.
Retainer 130 possesses the combination projection that charging blower 200 is installed, and forms the ostium that gas is flowed into.
Airbag cushion 100 launches directly to contact with passenger to passenger.Thereby airbag cushion 100 is configured to the best by soft fabric (fabric) material.Airbag cushion 100 according to will after the method for folding chatted, be accommodated in the safety air bag shell 300 of air bag module 10.
The air bag module 10 that possesses airbag cushion 100 is configured in front passenger's seat side, is generally configured in the glove box upside of common vehicle.Air bag module 10 hides for not making passenger see by instrument carrier panel 400.But upon deployment, airbag cushion 100 launches to passenger when instrument carrier panel 400 is open airbag cushion 100.
According to one embodiment of the invention of identical therewith formation, the method for folding of airbag cushion 100 is arranged and is described as follows.
Fig. 3 a is according to one embodiment of the invention, the planar view in the 1st stage in the method for folding of demonstration airbag cushion.Fig. 3 b is according to one embodiment of the invention, the planar view in the 2nd stage in the method for folding of demonstration airbag cushion.Fig. 3 c is according to one embodiment of the invention, the planar view in the 3rd stage in the method for folding of demonstration airbag cushion.Fig. 3 d is according to one embodiment of the invention, the planar view in the 4th stage in the method for folding of demonstration airbag cushion.
Fig. 4 a is according to one embodiment of the invention, the cross-sectional side view in the 1st stage in the method for folding of demonstration airbag cushion.Fig. 4 b is according to one embodiment of the invention, the cross-sectional side view in the 2nd stage in the method for folding of demonstration airbag cushion.Fig. 4 c is according to one embodiment of the invention, the cross-sectional side view in the 3rd stage in the method for folding of demonstration airbag cushion.
With reference to Fig. 3 a and Fig. 4 c, according to the method for folding of the airbag cushion of one embodiment of the invention 100, by 4 stages, formed.
The 1st stage, take retainer 130 as benchmark, the bottom 120 of the airbag cushion 100 that the size of bottom 120 is larger than the size on top 110 is at least folding once to upside, makes it form bottom and has tucked in portion 121 (tuck in part).
In addition, the top 110 of airbag cushion 100 has at least been tucked in and has been folded once to downside, also can form top and tuck in portion, likely can not form top tucked in portion on the top 110 of safety air bag 100, even if still can not form, portion has been tucked on top or formation is minimised as the best.
Tucked in that (tuck in) is folding is, the folding plug of end to inboard method for folding.At the present embodiment, the end of having tucked in the bottom 120 of folding airbag cushion 100 forms bottom and has tucked in portion 121, make its before the airbag cushion 100 that folding part is launched to passenger with below between relative.
The 2nd stage, the top 110 of airbag cushion 100 is at least folding once to downside, it is at least folding once to upside that portion 121 has been tucked in bottom, top 110 at the present embodiment airbag cushion 100 is folding once to downside, and it is folding once to upside that portion 121 has been tucked in bottom, but in other embodiments of the invention, the folding times of portion 121 has been tucked in 110Yu bottom, top can be different.
The width up and down (B) on folding top 110, forms than retainer width (A) 1/2 large Shang Xia 130 it.Thereby, make as described later folding top 110 and folding bottom tuck in 121 overlapping when folding, can the space of airbag cushion 100 be minimized folding.Just, the width up and down (B) on folding top 110, can not make it form larger than the width up and down (A) of retainer 130.
The width up and down (C) of portion 121 has been tucked in folding bottom, makes it form 1/2 large than the width up and down (A) of retainer 130.As described later, make folding top 110 and folding bottom tuck in portion 121 overlapping when folding, can the space of airbag cushion 100 be minimized folding.Just, the width up and down (C) of portion 121 has been tucked in folding bottom, can not make it form larger than the width up and down (A) of charging blower 130.
In the 3rd stage, the top 110 that makes folding airbag cushion 100 and folding bottom have been tucked in the front side that portion 121 overlaps retainer 130 and have been folded.The width up and down (D) of portion's 121 laps has been tucked in folding top 110 and folding bottom, and formation makes its 1/2 large than the width up and down (A) of retainer 130.Preferably, make the width up and down of airbag cushion 100 that folded identical with the width up and down of retainer 130.
The front side that portion 121 is configured in the top 110 of folding airbag cushion 100 has been tucked in folding bottom, and then when airbag cushion 100 launches, first bottom 120 ends of airbag cushion 100 are contacted with Windshield 500.At this moment, bottom 120 ends of airbag cushion 100 launch in the Windshield 500 that nuzzles up, and then the dynamics that is applied to Windshield 500 can be minimized.
The 4th stage was to the folding stage of retainer 130 sides the both sides face 140 with folding up and down airbag cushion 100.The method of the both sides face 140 of foldable safe air bag cushion 100, folding and tucked in folding and fold with any one method in roll fold, sawtooth.The both sides face 140 of airbag cushion 100 is folding by identical shape.At the both sides of the present embodiment airbag cushion 100 face 140, be to fold according to having tucked in method for folding.
Sawtooth is folding is, the side surface part 140 of airbag cushion 100 is folding to opposite after, repeatedly to the method for folding of the folding process of a side.Roll fold is the side surface part 140 of airbag cushion 100 to be rolled to the method for roll fold.
Retainer 130 is to be formed by the material with epistasis, so airbag cushion 100 can only fold into the periphery of retainer 130.
Like this, folding airbag cushion 100 is accommodated in safety air bag shell 300, makes charging blower 200 be arranged on retainer 130.
As mentioned above, being described as follows according to the effect of airbag cushion 100 of the present invention of formation.
Fig. 5 is according to one embodiment of the invention, shows the drawing of the expansion process of safety air bag.
With reference to Fig. 5, the expansion of airbag cushion 100 is described, before vehicle collision, air bag module 10 is configured in the instrument carrier panel 400 of front passenger's seat.
In the situation of vehicle collision, the collision of ACU (Air-bag control unit) (not shown) sense vehicle, makes the gas of high temperature, high pressure occur in charging blower 200.The high temperature occurring at charging blower 200, the gas of high pressure, flow into airbag cushion 100 by retainer 130.
To airbag cushion 100, flow into the gas of high temperature, high pressure, and then launch airbag cushion 100 when open instrument carrier panel 400.
First, the bottom 120 of airbag cushion 100 can be launched rapidly to passenger.Upon deployment, first bottom 120 ends of airbag cushion 100 contact with Windshield 500 in the bottom 120 of airbag cushion 100.At this moment, bottom 120 ends of airbag cushion 100 Windshield 500 that nuzzles up minimizes the dynamics that is applied to Windshield 500 simultaneously.
Launch after definite part to passenger the bottom 120 of airbag cushion 100, and also launch to passenger on the top 110 of airbag cushion 100.
Because the size on the top 110 of safety air bag 100 is less than the bottom of airbag cushion 100 120, so the volume launching is also little, thereby the top 110 of the airbag cushion 100 that the volume launching is little, even if contact with Windshield 500, also can minimize the dynamics that is applied to Windshield 500.Thereby, even if launch airbag cushion 100, also can prevent the damage of Windshield 500.
Launch with horizontal direction to passenger the bottom 120 of airbag cushion 100, through certain hour, below passenger's knee (K) expansion, can protect passenger's knee at this point.（K）
Airbag cushion 100 is by the gas filling of high temperature, high pressure, and after occurring to launch completely, the deflation hole 141 forming by the left and right sides face 140 at airbag cushion 100, flows out gas to outside.To this airbag cushion 100, can diminish, launch airbag cushion 100, and then the pressure that puts on passenger also can dwindle.
Above, most preferred embodiment of the present invention is illustrated and illustrated, but the present invention is not limited to above-mentioned specific embodiment, do not surpass the emphasis of the present invention in claim range of requests, certainly can be according to have the staff of common knowledge in this technical field that the present invention belongs to, carry out various distortion and implement, this distortion is implemented unintelligible for technical thought of the present invention or carry out the understanding of individual from prospect.

Claims (10)

1. the method for folding of airbag cushion, take retainer as benchmark, forms the method for folding of a kind of airbag cushion that the size of bottom is larger than the size on top, it is characterized in that, comprising:
The 1st stage, (tuck in) at least tucked in to upside in the bottom of airbag cushion folding once, form bottom and tucked in portion (tuck in part);
In the 2nd stage, the top of described airbag cushion is at least folding once to downside, and it is at least folding once to upside that portion has been tucked in described bottom;
In the 3rd stage, make the top of described folding airbag cushion and front side that the described folding bottom portion of having tucked in overlaps retainer folding.
2. the method for folding of airbag cushion according to claim 1, is characterized in that, also comprises:
In the 4th stage, the both sides face of described airbag cushion is folding to described retainer side.
3. the method for folding of airbag cushion according to claim 1, is characterized in that,
The width on described folding top forms 1/2 large than described retainer width.
4. the method for folding of airbag cushion according to claim 1, is characterized in that,
The width that portion has been tucked in described folding bottom forms 1/2 large than described retainer width.
5. the method for folding of airbag cushion according to claim 1, is characterized in that,
Described folding top forms larger than described retainer width 1/2 with the width that the overlapping part of portion has been tucked in described folding bottom.
6. the method for folding of airbag cushion according to claim 1, is characterized in that,
Make described folding top be configured in described retainer and described folding bottom has been tucked between portion overlapping.
7. the method for folding of airbag cushion according to claim 1, is characterized in that,
Described the 1st stage by described top to downside tucked at least folding once more than, form top and tucked in portion.
8. the method for folding of airbag cushion according to claim 2, is characterized in that,
Described both sides face forms deflation hole, flows out the gas of filling in described airbag cushion.
9. the method for folding of airbag cushion according to claim 2, is characterized in that,
Described both sides face folds, has tucked at sawtooth in folding and roll fold, at least folding with any one method.
10. the method for folding of airbag cushion according to claim 9, is characterized in that,
Both sides face is folded into identical shaped.
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Cited By (3)

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CN105564360A (en) * 2014-10-29 2016-05-11 现代摩比斯株式会社 Curtain airbag apparatus and method of manufacturing the same
CN111591243A (en) * 2019-02-05 2020-08-28 丰田合成株式会社 Airbag device for assistant driver seat
WO2024088406A1 (en) * 2022-10-28 2024-05-02 采埃孚汽车科技(上海)有限公司 Air bag folding method, air bag, and overhead airbag

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CN115320532B (en) * 2022-08-30 2024-06-18 宁波均胜汽车安全系统有限公司 Airbag folding method and airbag device

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CN102431518A (en) * 2011-10-25 2012-05-02 贵州航天凯峰科技有限责任公司 Folding structure for air bag
WO2012096292A1 (en) * 2011-01-14 2012-07-19 タカタ株式会社 Airbag and airbag device

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US20050070414A1 (en) * 2003-09-11 2005-03-31 Schneider David W. Cushion fold patterns for overhead airbags
US20110148078A1 (en) * 2009-12-23 2011-06-23 Kei Tsujimoto Airbag and airbag device
WO2012096292A1 (en) * 2011-01-14 2012-07-19 タカタ株式会社 Airbag and airbag device
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Publication number Priority date Publication date Assignee Title
CN105564360A (en) * 2014-10-29 2016-05-11 现代摩比斯株式会社 Curtain airbag apparatus and method of manufacturing the same
CN105564360B (en) * 2014-10-29 2018-08-24 现代摩比斯株式会社 Curtain airbag and its manufacturing method
CN111591243A (en) * 2019-02-05 2020-08-28 丰田合成株式会社 Airbag device for assistant driver seat
CN111591243B (en) * 2019-02-05 2022-10-25 丰田合成株式会社 Airbag device for assistant driver seat
WO2024088406A1 (en) * 2022-10-28 2024-05-02 采埃孚汽车科技(上海)有限公司 Air bag folding method, air bag, and overhead airbag

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KR20140014924A (en) 2014-02-06
KR101936859B1 (en) 2019-01-09

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