KR20140012284A - Mounting apparatus for curtatin airbag - Google Patents

Mounting apparatus for curtatin airbag Download PDF

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Publication number
KR20140012284A
KR20140012284A KR1020120078705A KR20120078705A KR20140012284A KR 20140012284 A KR20140012284 A KR 20140012284A KR 1020120078705 A KR1020120078705 A KR 1020120078705A KR 20120078705 A KR20120078705 A KR 20120078705A KR 20140012284 A KR20140012284 A KR 20140012284A
Authority
KR
South Korea
Prior art keywords
airbag
folded
curtain
connection
mounting
Prior art date
Application number
KR1020120078705A
Other languages
Korean (ko)
Inventor
구본진
박순익
김주경
양승희
Original Assignee
아우토리브 디벨롭먼트 아베
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 아우토리브 디벨롭먼트 아베 filed Critical 아우토리브 디벨롭먼트 아베
Priority to KR1020120078705A priority Critical patent/KR20140012284A/en
Priority to PCT/KR2013/003791 priority patent/WO2014014191A1/en
Publication of KR20140012284A publication Critical patent/KR20140012284A/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
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/201—Packaging straps or envelopes for inflatable members
    • 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
    • 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
    • B60R21/213—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle roof frames or pillars

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

Abstract

Disclosed is a mounting device for a curtain airbag. The device maintains the short length of a connecting member when an air is not inflated. The device is connected to the upper edge of the airbag, includes at least one folding member in the center thereof while the airbag is folded, a strap-shaped connecting member with short installation length, and at least one mounting bracket which is connected to the connecting member and fixes the airbag to a vehicle body.

Description

Curtain Airbag Mounting Device {MOUNTING APPARATUS FOR CURTATIN AIRBAG}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curtain airbag device that protects a passenger by expanding the curtain airbag in a car crash, and more particularly, to a curtain airbag mounting device that couples a curtain airbag to a vehicle.

In general, the inner panel covered by the headlining is disposed above the side door of the vehicle. The curtain airbag is received in a folded state in the space formed by the headlining and the inner panel.

When the curtain airbag device is operated, the airbag is deployed by the gas supplied from the inflator and inflated toward the inside of the vehicle by pushing out the bottom of the headlining.

The curtain airbag has an airbag that is inflated by a gas and a plurality of tabs installed at the upper edge of the airbag and fixed to the inner panel. The tab is connected to a mounting bracket of metal material which is fixed to the inner panel through the fastening member. The tab thus cooperates with the mounting bracket to allow the airbag to hang on the inner panel.

In the curtain airbag device having such a structure, if the tab is short, the airbag is deployed inside the vehicle rather than the lower side along the side window at the initial stage of the airbag deployment, and there is a problem of damaging the surrounding structural parts. On the other hand, when the tab is long, there is a problem in that the flying position occurs in the mounting position of the airbag device and the deployment direction is not stable.

Therefore, it is required to have a certain length for the preferred deployment aspect of the airbag. However, as the tab has a certain length as described above, it is supported forcelessly from the folded airbag so that the mounting bracket sags from the folded airbag when the curtain airbag device is installed. In this case, in order to couple the mounting bracket to the inner panel, the operator has to set up the mounting bracket and adjust the position to a certain position of the inner panel, and then there is a workaround to be fixed to the vehicle body through the fastening member.

Patent Document 1 (US Patent Application Publication No. US 2012/0056409, published date: 2012.03.08) shows an example of a conventional airbag apparatus.

An object of the present invention is to ensure that the connecting member maintains the desired length when the curtain airbag is deployed, and that the length of the connecting member is kept short when the curtain airbag device is mounted (undeployed) so that the connecting member is upright from the folded airbag. It is to provide a curtain airbag mounting device to maintain the state to improve the installation workability.

Another object of the present invention is to provide a curtain airbag mounting apparatus that can reduce the installation space by keeping the length of the tab short in the mounting state of the curtain airbag device to facilitate the installation work in the limited space formed by the headlining and the vehicle body It is.

At least one belt-shaped connecting member connected to an upper edge of the airbag to achieve the above object, and having a reduced installation length including at least one folded portion at a central portion thereof when the airbag is folded; And at least one mounting bracket connected to the connection member to fix the airbag to the vehicle body.

In the curtain airbag mounting apparatus according to the present invention, the end of the airbag connecting portion of the connecting member connected to the upper edge of the airbag is disposed to face upward of the vehicle body in the folded state of the airbag, and the airbag and the lower portion of the end A connection line may be provided, and the folding portion may be positioned below the connection line such that the bracket connection portion connected to the bracket of the connection member may overlap the airbag connection portion.

In the curtain airbag mounting apparatus according to the present invention, the connecting member may be folded into a "U" shape in the folded state of the airbag and coupled to the airbag and the mounting bracket.

In the curtain airbag mounting apparatus according to the present invention, the non-deployment of the airbag may further include at least one wrapping member that maintains the folded state of the connection member and maintains the folded state of the airbag.

In the curtain airbag mounting apparatus according to the present invention, the ramping member may include a support portion supported between the connection member and the airbag, and a coupling portion coupled to the bracket of the connection member after wrapping the outer surface of the folded airbag. have.

In the curtain airbag mounting apparatus according to the present invention, the supporting portion of the wrapping member may be connected to the upper edge of the airbag together with the connecting member through the connecting line, and the coupling portion may have an opening fitted to the outside of the mounting bracket. have.

In the curtain airbag apparatus according to the embodiment of the present invention, the length of the connecting member is kept short, so that the mounting bracket can be maintained upright without sagging from the folded airbag, thereby providing an advantage of easily coupling the mounting bracket to the vehicle body.

In addition, it is possible to reduce the installation space by keeping the length of the connecting member short in the mounting state of the curtain airbag device is provided with an advantage that can facilitate the installation work in the limited space formed by the headlining and the vehicle body.

1 is a perspective view illustrating a state in which a curtain airbag device is coupled to a vehicle body by a mounting apparatus, and a curtain airbag is folded according to an embodiment of the present invention.
2 is a perspective view illustrating a state in which a curtain airbag is deployed in a state where the curtain airbag device is coupled to itself by a mounting apparatus according to an embodiment of the present invention.
FIG. 3 is an exploded perspective view of the curtain airbag apparatus according to the exemplary embodiment, in which the mounting apparatus of the curtain airbag apparatus is separated, and shows a state in which the curtain airbag is cut.
4 is an exploded perspective view illustrating a mounting apparatus of the curtain airbag apparatus according to an embodiment of the present invention.
FIG. 5 is a perspective view illustrating a mounting apparatus of a curtain airbag apparatus according to an embodiment of the present invention in a combined state.
FIG. 6 is a plan view taken along arrow VI of FIG. 5.
7 is a perspective view illustrating a state in which the airbag of the curtain airbag device is partially deployed and the wrapping member is broken according to an embodiment of the present invention, and the curtain airbag is cut out.
8 is a cross-sectional view showing a state in which the curtain airbag device is coupled according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It will be apparent to those skilled in the art that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, It is provided to let you know.

In the figure, "U" represents the upper side of the vehicle, and "L" represents the lower side.

1 is a perspective view illustrating a state in which a curtain airbag device is coupled to a vehicle body by a mounting apparatus, and a curtain airbag is folded according to an embodiment of the present invention, and FIG. 2 is a curtain according to an embodiment of the present invention. It is a perspective view which shows the state in which the airbag apparatus was couple | bonded with itself by the mounting apparatus, and the curtain airbag is deployed.

As shown in FIGS. 1 and 2, an inner panel 3 covered by the headlining 1 (hereinafter referred to as 'car body') is disposed above the vehicle side window 5. The curtain airbag device 100 is mounted to the inner panel 3 by at least one mounting device 300.

 The curtain airbag device 100 includes an airbag 110 coupled to the vehicle body 3 by the inflator 101 for supplying gas and the mounting device 300.

The airbag 110 may have two panels formed in a bag shape by sewing, gluing, or welding, or may be formed in a bag shape by a single sheet weaving. The airbag 110 includes a plurality of chambers 111 that are inflated when the airbag 110 operates, and a duct portion 113 that extends in the longitudinal direction above the chamber 111 to distribute gas to each chamber 111. It includes. The airbag 110 is folded in various forms, such as rolling or accordian floding.

In a vehicle crash such as a side collision, overturning, etc., a sensor disposed in the vehicle detects an abnormal state and sends an ignition signal to a gas generating unit (not shown) of the inflator 101. The inflator 101 is driven in response to the ignition signal from the sensor to supply the inflation gas into the airbag 110. When the inflation gas is filled in the airbag 110 and the airbag 110 is inflated, the headlining 1 is pushed downward to expand the airbag 110. The side window 5 is covered by an inflated airbag 110 to protect passengers in the vehicle.

Although one inflator 101 is illustrated as being installed in the center portion of the airbag 110 in the drawing, of course, one or more inflators 101 may be provided, and the installation position of course may also be installed in the front, rear, etc. of the vehicle. Can be.

The mounting apparatus 300 includes a mounting bracket 310, a strip type connecting member 330, and a wrapping member 350.

As the airbag 110 is inflated, the wrapping member 350 is ruptured by applying a tension force to stop supporting the airbag 110 in a folded state.

Next, the mounting apparatus 300 for fixing the airbag 110 to the vehicle body 3 will be described in more detail.

3 is an exploded perspective view of the curtain airbag apparatus according to an embodiment of the present disclosure, in which the curtain airbag is cut out, and FIG. 4 is a view illustrating a curtain airbag apparatus according to an embodiment of the present invention. An exploded perspective view showing the mounting apparatus separated.

3 and 4, the mounting apparatus 300 may include a mounting bracket 310, a connection member 330, and a ramping member 350.

The mounting bracket 310 includes a fixing part 311 and a hanger part 313. The fixing part 311 includes a fixing hole 311 a through which a fastening means, for example, a bolt member 301 penetrates and is fixed to the fastening hole 3 a of the vehicle body 3, and the hanger part 313 is a connecting member 330. The through hole includes a through hole 313a. The through hole 313a may be formed as a slot extending laterally. The mounting bracket 310 may include a metal material.

The mounting bracket 310 may include a latching jaw 311c that is formed to protrude toward the vehicle body 3 and is fitted into the locking hole 3b formed in the vehicle body 3. The locking step 311c prevents the mounting bracket 310 from rotating when the bolt member 301 is fastened to the vehicle body 3 so that the mounting bracket 310 is maintained at a predetermined position of the vehicle body 3.

The connection member 330 is a non-frangible material having a strength that can sufficiently support the airbag 110 inflated by a high pressure gas, and may include, for example, a woven nylon materail. have. The connecting member 330 is formed in a strip shape having a predetermined length. The connection member 330 includes an airbag connection part 331 connected to the upper edge 115 of the airbag 110 and a bracket connection part 333 inserted into and supported by the through hole 313a of the mounting bracket 310. do.

The bracket connection part 333 is configured to be inserted into the through hole 313a of the mounting bracket 310 and wraps around the lower part of the mounting bracket 310 and is fixed by the sewing line 371 to form a loop 331a (loop). .

The end 333a of the airbag connection part 333 is disposed to face upward (U) and is connected to the upper edge 115 of the airbag 110 through the sewing line 373 below the end 333a.

An approximately central portion of the connecting member 330 includes a folded portion 335 to form a “U” shape. That is, the airbag connector 333 and the bracket connector 331 overlap each other. Folded portion 335 may be composed of at least one.

The wrapping member 350 is formed of a substantially long extending band-shaped member and includes a hanger part 351 and a coupling part 353.

The material of the wrapping member 350 may include, for example, a non-woven nylon frangible material or a non-woven polyester frangible material. Alternatively, it may include a non-frangible material, and in this case, the wrapping member 350 may be configured to have a tearing portion 355 such as a tier line so as to burst when the airbag 110 is deployed. have.

The support 351 may be inserted between the connecting member 330 and the upper edge 115 of the airbag 110 and coupled to the airbag 110 together with the connecting member 330 through the sewing line 373. The present invention is not limited thereto, and the supporting structure of the wrapping member 350 may be variously modified. For example, the wrapping member 350 may be connected to one side of the connection member 330 through the sewing line 371.

The coupling part 350 may include an opening 353a so that the coupling part 353 may be fitted to the outside of the mounting bracket 310.

5 is a perspective view illustrating a mounting apparatus of the curtain airbag apparatus according to an embodiment of the present disclosure in a combined state, illustrating an airbag non-deployment state. FIG. 6 is a plan view taken along arrow VI of FIG. 5.

5 and 6, the airbag 110 is in a rolling state, and the support 351 of the wrapping member 350 and the airbag connection 333 of the connecting member are connected to the airbag 110 through the sewing line 373. Is coupled to the upper edge 115 of the. The sewing line 373 is composed of at least two at regular intervals.

The end 335a of the airbag connection part 333 of the connection member 330 is disposed to face upward, so that the sewing line 373 is located below the end 335a.

The connection member 330 includes a folded portion 335 formed by folding the lower portion of the sewing line 373 upwardly (U), and the airbag connection portion 335 and the bracket connection portion 331 overlap each other.

The wrapping member 350 surrounds the outer surface of the airbag 110 in a folded (wound) state, and then the opening 353a of the coupling portion 353 is fitted on the hanger 313 of the mounting bracket 310. As a result, the connecting member 330 can be kept in a folded state of approximately " U " to reduce the distance D from the center of the fastening member 301 to the top of the wound airbag 110. FIG.

Therefore, the mounting bracket 310 can be easily aligned with the coupling position of the vehicle body 3 as the mounting bracket 310 is maintained in an upright position without force without sagging from the outer side of the folded airbag 110.

In other words, when the mounting bracket 310 sags downward without force, the operator must move the mounting bracket 310 upright and then move it to the engaged position of the vehicle body 3. However, as the mounting bracket 310 maintains the upright state, it is possible to eliminate such work hassles.

7 is a perspective view illustrating a state in which the curtain airbag of the curtain airbag apparatus according to an embodiment of the present invention is partially deployed to rupture the wrapping member.

Referring to FIG. 7, as the airbag 110 is inflated, the wrapping member 350 is ruptured by applying a tension force to stop supporting the airbag 110 in a folded state.

On the other hand, by the rupture of the wrapping member 350, the connecting member 330 is unfolded from the folded state of the "U" shape to form a straight line. Thus, the end 333a of the airbag connection 333 is located below and the sewing line 373 is positioned above the end 333a.

As such, the wrapping member 350 is extended to an effective length L at which the preferred deployment aspect of the airbag 110 is obtained when the airbag 110 is deployed. Thus, in the initial stage of airbag 110 deployment, the airbag 110 can be deployed downward along the side window.

8 is a cross-sectional view showing a state in which the curtain airbag device is coupled according to an embodiment of the present invention.

Referring to FIG. 8, a curtain airbag device 100 is installed in a vehicle body 3 covered by a headlining 1 which is arranged at the upper edge of a side window of a vehicle.

The airbag 110 of the curtain airbag device 100 is received in a wound state, and the airbag connection part 333 of the connection member 330 is connected to the upper edge thereof through a sewing line 373. The bracket connecting portion 331 of the connecting member 330 is folded upward by the folded portion 335 provided in the lower portion of the sewing line 373 and overlaps with the airbag connecting portion 333.

The support 351 of the wrapping member 350 is connected to the upper edge 115 of the airbag 110 together with the airbag connection 333 by the sewing line 373.

Coupling portion 353 of the wrapping member 350 is fitted on the hanger 313 of the mounting bracket 310 is fixed. Thus, the connecting member 330 is kept in a folded state "U", and the airbag 110 is kept in a folded state.

The installation length D of the connection member 330 is kept short so that the mounting bracket 310 is maintained in an upright position on one side of the folded airbag 110. As a result, the position of the through hole 311a is kept constant, so that the curtain airbag device 100 can be easily coupled to the vehicle body 3.

In addition, since the distance D between the center of the through hole 311a and the upper end of the folded airbag 110 can be reduced by the connecting member 330 folded in a “U” shape, the headlining 1 and the vehicle body can be reduced. The curtain airbag apparatus 110 can be installed more easily in the narrow installation space S between (3).

Although the present invention has been described with reference to the accompanying drawings and the preferred embodiments described above, the present invention is not limited thereto but is limited by the following claims. Accordingly, those skilled in the art will appreciate that various modifications and changes may be made thereto without departing from the spirit of the following claims.

1: head lining 3: bodywork
5: side window 100: curtain airbag device
110: airbag 115: airbag upper edge
300: mounting device 310: metal bracket
311: fixed part 313: hanger part
330: connecting member 331: bracket connection
333: Airbag connection 333a: End
350: lapping member 351: support
353: coupling

Claims (6)

At least one belt-shaped connecting member connected to an upper edge of an airbag and having a shortened installation length including at least one folded portion at a central portion thereof when the airbag is folded; And
Curtain airbag mounting device is connected to the connecting member including at least one mounting bracket for fixing the airbag to the vehicle body. According to claim 1, The end of the airbag connecting portion of the connecting member connected to the upper edge of the airbag is disposed to face upward of the vehicle body in the folded state of the airbag,
A connection line connected to the air bag is provided at the lower end of the end,
Curtain airbag mounting device in which the folded portion is located below the connection line so that the bracket connection portion connected to the bracket of the connection member overlaps the airbag connection portion. The curtain airbag mounting apparatus of claim 2, wherein the connection member is folded into a “U” shape in a folded state of the airbag and is coupled to the airbag and the mounting bracket. 3. The method of claim 2,
Curtain airbag mounting apparatus further comprises at least one wrapping member to maintain the folded state of the connecting member when the airbag is undeployed, and to maintain the folded state of the airbag. The curtain of claim 4, wherein the wrapping member includes a support part supported between the connection member and the air bag, and a coupling part coupled to the bracket of the connection member after wrapping the outer surface of the folded air bag. Air Bag Mounting Device. 6. The curtain airbag mounting apparatus according to claim 5, wherein the support of the wrapping member is connected to the upper edge of the airbag together with the connecting member through the connecting line, and the coupling portion has an opening fitted to the outside of the mounting bracket. .




KR1020120078705A 2012-07-19 2012-07-19 Mounting apparatus for curtatin airbag KR20140012284A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020120078705A KR20140012284A (en) 2012-07-19 2012-07-19 Mounting apparatus for curtatin airbag
PCT/KR2013/003791 WO2014014191A1 (en) 2012-07-19 2013-05-02 Apparatus for mounting curtain airbag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120078705A KR20140012284A (en) 2012-07-19 2012-07-19 Mounting apparatus for curtatin airbag

Publications (1)

Publication Number Publication Date
KR20140012284A true KR20140012284A (en) 2014-02-03

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Application Number Title Priority Date Filing Date
KR1020120078705A KR20140012284A (en) 2012-07-19 2012-07-19 Mounting apparatus for curtatin airbag

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WO (1) WO2014014191A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190079953A (en) * 2017-12-28 2019-07-08 현대모비스 주식회사 Curtain airbag apparatus
KR20220166567A (en) * 2021-06-10 2022-12-19 아우토리브 디벨롭먼트 아베 Airbag unit of vehicle

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
JP6084588B2 (en) * 2014-06-11 2017-02-22 オートリブ ディベロップメント エービー Curtain airbag device
US9981625B2 (en) 2016-02-25 2018-05-29 Autoliv Asp, Inc. Airbag mounting bracket
CN109606304A (en) * 2018-12-26 2019-04-12 北京长城华冠汽车技术开发有限公司 Gas curtain fixed structure and automobile safety air curtain
GB2584699A (en) * 2019-06-12 2020-12-16 Nissan Motor Mfg Uk Ltd Improvements in and relating to airbag wraps
US11603065B2 (en) * 2020-02-18 2023-03-14 Autoliv Asp, Inc. Airbag hanger tabs and related assembly methods

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US7357408B2 (en) * 2005-02-28 2008-04-15 Autoliv Asp, Inc. Inflatable curtain cushion tab shock absorption
JP4736665B2 (en) * 2005-09-20 2011-07-27 タカタ株式会社 Curtain airbag mounting bracket and mounting structure, and curtain airbag device
US7823914B2 (en) * 2007-05-14 2010-11-02 Autoliv Asp, Inc. Airbag mounting assembly and method of manufacture
US8056924B2 (en) * 2009-08-20 2011-11-15 Autoliv Asp, Inc. Inflatable airbag assemblies with alignment apertures
US8091918B2 (en) * 2010-01-19 2012-01-10 Autoliv Asp, Inc. Double-sewn airbag mounting assemblies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190079953A (en) * 2017-12-28 2019-07-08 현대모비스 주식회사 Curtain airbag apparatus
KR20220166567A (en) * 2021-06-10 2022-12-19 아우토리브 디벨롭먼트 아베 Airbag unit of vehicle

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