JPH1178758A - Seat for vehicle having air bag device - Google Patents
Seat for vehicle having air bag deviceInfo
- Publication number
- JPH1178758A JPH1178758A JP9239261A JP23926197A JPH1178758A JP H1178758 A JPH1178758 A JP H1178758A JP 9239261 A JP9239261 A JP 9239261A JP 23926197 A JP23926197 A JP 23926197A JP H1178758 A JPH1178758 A JP H1178758A
- Authority
- JP
- Japan
- Prior art keywords
- seat
- airbag
- sewn
- air bag
- seat back
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
Landscapes
- Seats For Vehicles (AREA)
- Air Bags (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は側方からの衝突に対
して乗員を保護するエアバッグ装置を備えた車輌用シー
トに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat provided with an airbag device for protecting an occupant from a side collision.
【０００２】[0002]
【従来の技術】シートバックに被覆されたシートカバー
をシートバックの側面に埋設したエアバッグ装置のエア
バッグの展開圧力で破断したうえ側方に膨出させたエア
バッグにより乗員を側方で拘束するようにしたエアバッ
グ装置を備えた車輌用シートは、特開平６−６４４９１
号公報などにより公知である。2. Description of the Related Art An occupant is restrained laterally by an airbag which is broken by the deployment pressure of an airbag of an airbag device in which a seatcover covered by a seatback is embedded in a side surface of the seatback and which is expanded to the side. A vehicle seat provided with an airbag device is disclosed in JP-A-6-64491.
It is publicly known from Japanese Patent Publication No.
【０００３】ところが、従来のこの種のエアバッグ装置
を備えた車輌用シートは、シート表面被覆部側の縫合部
付近のシートカバー材そのものの破断で開裂されるよう
にしているため、シートカバー材を低強度の材質よりな
るものとしており、このため、シートカバーそのものの
耐久性が保証できないうえに破断箇所が一定化されずエ
アバッグの展開軌跡も安定しないという問題点があっ
た。また、縫製糸の強度がシートカバー材のミシン目間
の強度より強くなければならないという制約があり、シ
ートカバー材と縫製糸とに品質面や技術面で高度なバラ
ンスが要求され生産性に劣るという問題点や、シートカ
バー材自身が破断するものであるので応答性が劣るとい
う問題点もあった。However, a conventional vehicle seat equipped with this type of airbag device is designed to be torn by breaking of the seat cover material itself near the sewn portion on the side of the seat surface covering portion. Is made of a low-strength material, so that the durability of the seat cover itself cannot be assured, and furthermore, there is a problem that the break points are not fixed and the deployment trajectory of the airbag is not stable. In addition, there is a restriction that the strength of the sewing thread must be higher than the strength between the perforations of the seat cover material, and a high balance in quality and technology is required between the seat cover material and the sewing thread, resulting in poor productivity. There is also a problem that the response is inferior because the seat cover material itself breaks.
【０００４】[0004]
【発明が解決しようとする課題】本発明は前記のような
従来の問題点を解決して、従来のシートカバー材自身を
破断させるのではなく、シートカバーのカマチ被覆部と
シート背面被覆部とを縫合している縫製糸をエアバッグ
を所定の展開圧力で確実かつ迅速に破断して縫合部を容
易に開裂させることができるとともに、破断箇所を常に
一定化してエアバッグの展開軌跡を安定させることがで
き、しかも、シートカバー材と縫製糸との強度のバラン
スも簡単にとれて生産性を大幅に向上させることがで
き、更にはシートとしての耐久性も長期間にわたって保
証することができるエアバッグ装置を備えた車輌用シー
トを提供することを目的として完成されたものである。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the prior art, and does not break the conventional seat cover material itself. The sewing thread that stitches the airbag can be reliably and quickly broken at a predetermined deployment pressure to easily cleave the sewn portion, and the broken portion is always constant to stabilize the deployment trajectory of the airbag. In addition, the balance between the strength of the seat cover material and the sewing thread can be easily obtained, the productivity can be greatly improved, and the durability as a seat can be guaranteed for a long time. It has been completed for the purpose of providing a vehicle seat provided with a bag device.
【０００５】[0005]
【課題を解決するための手段】前記の課題を解決するた
めになされた本発明のエアバッグ装置を備えた車輌用シ
ートは、シートバックに被覆された袋状のシートカバー
のカマチ被覆部とシート背面被覆部との縫合部にシート
バックの側部裏側に配置したエアバッグ装置のエアバッ
グの展開部位を位置させるとともに、シートバックフレ
ームに取付金具を介して一端を連結させた帯状の力布を
前記カマチ被覆部の縫合縁に縫着してカマチ被覆部を牽
引し、エアバッグの展開圧力で破断されるカマチ被覆部
とシート背面被覆部との縫合部の跡口より座席側方の所
定位置に向けエアバッグが膨出されるようにしたことを
特徴とするものである。A vehicle seat provided with an airbag device according to the present invention, which has been made to solve the above-mentioned problems, comprises a bag-shaped seat cover covered with a seat back and a seat. A band-shaped webbing with one end connected to the seatback frame via a mounting bracket while positioning the airbag deployment site of the airbag device arranged on the back of the side of the seatback at the seam with the back cover. A predetermined position on the side of the seat from the mark of the sewn portion between the sewn portion and the back portion of the seat, which is sewn to the sewn edge of the sewn portion and is pulled by the deployment pressure of the airbag. The airbag is adapted to be inflated toward the airbag.
【０００６】[0006]
【発明の実施の形態】以下に、図面を参照しつつ本発明
の好ましい実施の形態を示す。図中、１はエアバッグ装
置であって、このエアバッグ装置１はインフレータ（図
示せず）とエアバッグ２をエアバッグケース３に収納し
たもので、シートバック４の側部裏側に埋設されて常時
はシートバック４に被装されたシートカバー５により隠
蔽されているが、緊急時にはインフレータの作動で乗員
と車室壁との間にエアバッグ２がエアバッグケース３の
開口部より膨出し、シートカバー５を破断してエアバッ
グ２を座席側方の所定位置に向け膨出させて側方からの
衝突に対して乗員を保護するようになっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. In the drawing, reference numeral 1 denotes an airbag device, which is an airbag device 1 in which an inflator (not shown) and an airbag 2 are housed in an airbag case 3 and which is buried in the back of a side portion of a seat back 4. Normally, the airbag 2 is concealed by the seat cover 5 covered by the seatback 4, but in an emergency, the airbag 2 bulges out of the opening of the airbag case 3 between the occupant and the cabin wall by the operation of the inflator. The seat cover 5 is broken and the airbag 2 is inflated toward a predetermined position on the side of the seat to protect the occupant against a collision from the side.
【０００７】本発明において用いられるシートカバー５
は、シート表面被覆部５ａとカマチ被覆部５ｂとシート
背面被覆部５ｃとを各々の縫合部において縫合した袋状
の縫製カバーであり、エアバッグ２の展開圧力によるシ
ートカバー５の破断がシートカバー材自身の一部の破断
によるのではなく、エアバッグ２の展開部位に位置する
カマチ被覆部５ｂとシート背面被覆部５ｃの縫合部６の
縫製糸がエアバッグ２の所定の展開圧力で破断され、こ
の縫合部６を開裂させてエアバッグ２が膨張展開するも
のとしてある。The seat cover 5 used in the present invention
Is a bag-shaped sewing cover in which the seat surface covering portion 5a, the gusset covering portion 5b, and the seat back covering portion 5c are sewn at each of the sewn portions. The sewing thread of the stitching portion 6 of the gusset covering portion 5b and the seat back covering portion 5c located at the deployment site of the airbag 2 is broken not by the predetermined deployment pressure of the airbag 2 but by the breakage of a part of the material itself. The sewn portion 6 is torn and the airbag 2 is inflated and deployed.
【０００８】また、前記カマチ被覆部５ｂには先端が取
付金具７を介してシートバックフレーム８に連結された
帯状の力布９の一端が縫合されており、縫合部６が確実
に開裂されてその跡口からエアバッグ２が一定位置で所
定方向に向け膨張展開するよう構成されている。即ち、
エアバッグ２が膨張展開した場合に、エアバッグ２の展
開部位に位置するカマチ被覆部５ｂとシート背面被覆部
５ｃの縫合部６の縫製糸がエアバッグ２の所定の展開圧
力で破断されるのであるが、この時、カマチ被覆部５ｂ
には力布９が縫合されていてカマチ被覆部５ｂのシート
背面被覆部５ｃとの接合側を内側に牽引しておりエアバ
ッグ２の展開に追従して外側へ開くことが防止されるこ
ととなる。この結果、シート背面被覆部５ｃのみがエア
バッグ２の展開に追従して外側へ開くこととなり、縫合
部６の開裂状態が常に一定条件となってエアバッグ２が
安定して膨張展開することとなるのである。Further, one end of a band-shaped webbing 9 whose leading end is connected to a seat back frame 8 via a mounting bracket 7 is sewn to the machichi covering portion 5b, so that the sewn portion 6 is securely torn. The airbag 2 is configured to inflate and deploy in a predetermined direction at a predetermined position from the trace opening. That is,
When the airbag 2 is inflated and deployed, the sewing thread of the seam 6 of the gusset covering portion 5b and the seat back covering portion 5c located at the deployed portion of the airbag 2 is broken at a predetermined deployment pressure of the airbag 2. However, at this time, the camachi covering portion 5b
The webbing 9 is sewn to pull inward the joint side of the gusset covering portion 5b with the seat back covering portion 5c, and is prevented from opening outward following the deployment of the airbag 2. Become. As a result, only the seat back cover portion 5c opens outward following the deployment of the airbag 2, and the sewn portion 6 is always in a constant condition with the airbag 2 stably inflated and deployed. It becomes.
【０００９】なお、前記帯状の力布９をシートバックフ
レーム８に連結する取付金具７としては、例えば図示さ
れるように、断面略Ｌ字状の基板部をシートバックフレ
ーム８にビス等の締結具１０で固定し先端部のスリット
内に力布９を挿通したものとすることができる。また、
このシートバックフレーム８には、シート背面被覆部５
ｃの端部を固定するための取付金具１１も前記締結具１
０で同様に固定されたものとされ、極めて簡単な構造で
力布９およびシートカバー５の装着が行えるよう構成さ
れている。As the mounting bracket 7 for connecting the belt-shaped webbing 9 to the seat back frame 8, for example, as shown in the figure, a board portion having a substantially L-shaped cross section is fastened to the seat back frame 8 with screws or the like. The webbing 9 can be fixed with the tool 10 and the webbing 9 can be inserted into the slit at the tip. Also,
The seat back frame 8 includes a seat back cover 5.
c for fixing the end of the fastener 1
0 and is similarly fixed, so that the webbing 9 and the seat cover 5 can be mounted with an extremely simple structure.
【００１０】このように構成されたものにおいては、エ
アバッグ２の膨張時にその展開圧力によってシート背面
被覆部５ｃが先ず押圧されるが、この際、エアバッグ２
の展開方向に位置するカマチ被覆部５ｂとシート背面被
覆部５ｃの縫合部６は縫製糸で共縫いされていても、カ
マチ被覆部５ｂにはその端縁を内側に牽引する力布９が
縫合されていてカマチ被覆部５ｂがエアバッグ２の展開
に追従して外側へ開くことが防止されているので、シー
ト背面被覆部５ｃのみがエアバッグ２の展開に追従して
外側へ開くこととなり、縫合部６の開裂状態が常に一定
位置で一定方向の条件下でエアバッグ２が安定して膨張
展開することとなる。また、カマチ被覆部５ｂには他端
を取付金具７を介してシートバックフレーム８に連結さ
れた帯状の力布９を縫合したものとなっており、且つ、
シート背面被覆部５ｃの端部も取付金具１１でシートバ
ックフレーム８に同様に固定されたものとなっており、
力布９およびシートカバー５の装着を極めて容易に行な
うことができシートの生産性を大幅に向上させることが
可能となる。[0010] In the above-described structure, when the airbag 2 is inflated, the seat back cover 5c is first pressed by the developing pressure.
Even if the suturing portion 6 of the gusset covering portion 5b and the seat back covering portion 5c located in the developing direction is sewn together with a sewing thread, the gusset covering portion 5b is sewn with the force cloth 9 for pulling the edge thereof inward. Since the cover 5b is prevented from opening outward following the deployment of the airbag 2, only the seat back cover 5c is opened outward following the deployment of the airbag 2, The airbag 2 is stably inflated and deployed under the condition that the suturing portion 6 is always in a constant position at a constant position and in a constant direction. In addition, the belt-shaped webbing 9 connected to the seat back frame 8 at the other end thereof via the mounting bracket 7 is sewn to the machichi covering portion 5b, and
The end of the seat back covering portion 5c is also fixed to the seat back frame 8 by the mounting bracket 11 in the same manner.
The webbing 9 and the seat cover 5 can be mounted very easily, and the productivity of the seat can be greatly improved.
【００１１】[0011]
【発明の効果】以上の説明からも明らかなように、本発
明は従来のシートカバー材自身を破断させるのではな
く、シートカバーのカマチ被覆部とシート背面被覆部と
を縫合している縫製糸をエアバッグを所定の展開圧力で
確実かつ迅速に破断して縫合部を容易に開裂させること
ができるとともに、破断箇所を常に一定化してエアバッ
グの展開軌跡を安定させることができ、しかも、シート
カバー材と縫製糸との強度のバランスも簡単にとれて生
産性を大幅に向上させることができ、更にはシートとし
ての耐久性も長期間にわたって保証することができるも
のである。よって本発明は従来の問題点を一掃した側方
からの衝突に対して乗員を保護するエアバッグ装置を備
えた車輌用シートとして、産業の発展に寄与するところ
は極めて大である。As is apparent from the above description, the present invention does not break the conventional seat cover material itself, but sews the seam covering portion of the seat cover and the seat back covering portion. The airbag can be ruptured reliably and quickly at a predetermined deployment pressure to easily cleave the sewn portion, and the rupture point can be constantly fixed to stabilize the deployment trajectory of the airbag. The strength of the cover material and the sewing thread can be easily balanced, productivity can be greatly improved, and the durability of the sheet can be guaranteed for a long period of time. Therefore, the present invention greatly contributes to industrial development as a vehicle seat provided with an airbag device for protecting an occupant against a collision from the side, which has eliminated the conventional problems.
【図１】本発明の実施の形態を示す要部の横断平面図で
ある。FIG. 1 is a cross-sectional plan view of a main part showing an embodiment of the present invention.
【図２】本発明の実施の形態を示す要部の斜視図であ
る。FIG. 2 is a perspective view of a main part showing the embodiment of the present invention.
【図３】本発明の実施の形態を示す背面側から見た全体
斜視図である。FIG. 3 is an overall perspective view showing the embodiment of the present invention as viewed from the rear side.
１ エアバッグ装置 ２ エアバッグ ４ シートバック ５ シートカバー 5b カマチ被覆部 5c シート背面被覆部 ７ 取付金具 ８ シートバックフレーム ９ 力布 10 締結具 11 取付金具 DESCRIPTION OF SYMBOLS 1 Airbag apparatus 2 Airbag 4 Seatback 5 Seat cover 5b Kamachi covering part 5c Seat back covering part 7 Mounting bracket 8 Seatback frame 9 Power cloth 10 Fastener 11 Mounting bracket
Claims (2)
ートカバー(5) のカマチ被覆部(5b)とシート背面被覆部
(5c)との縫合部(6) にシートバック(4) の側部裏側に配
置したエアバッグ装置(1) のエアバッグ(2) の展開部位
を位置させるとともに、シートバックフレーム(8) に取
付金具(7) を介して一端を連結させた帯状の力布(9) を
前記カマチ被覆部(5b)の縫合縁に縫着してカマチ被覆部
(5b)を牽引し、エアバッグ(2) の展開圧力で破断される
カマチ被覆部(5b)とシート背面被覆部(5c)との縫合部
(6) の跡口より座席側方の所定位置に向けエアバッグ
(2)が膨出されるようにしたことを特徴とするエアバッ
グ装置を備えた車輌用シート。1. A bag-shaped seat cover (5) covered by a seat back (4) and a back cover (5b) and a back cover (5b).
At the seam (6) with the (5c), the deployment area of the airbag (2) of the airbag device (1) located on the back side of the seatback (4) is located and the seatback frame (8) A band-shaped webbing (9), one end of which is connected via a mounting bracket (7), is sewn to the sewn edge of the camach coating (5b), and
(5b) is pulled, and the seam joint (5b) and the back cover (5c) of the seat are broken by the deployment pressure of the airbag (2).
(6) Airbag facing the specified position on the side of the seat from the mark
(2) A vehicle seat equipped with an airbag device, characterized in that the seat is inflated.
具(11)が連結されてこの取付金具(11)を力布(9) の取付
金具(7) とともにシートバックフレーム(8)にビス等の
締結具(10)で固定してある請求項１に記載のエアバッグ
装置を備えた車輌用シート。2. A mounting bracket (11) is connected to the other end edge of the seat back cover (5c), and the mounting bracket (11) is attached to the seat back frame (8) together with the mounting bracket (7) of the webbing (9). A vehicle seat provided with the airbag device according to claim 1, wherein the vehicle seat is fixed to the vehicle seat by a fastener (10) such as a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23926197A JP3552883B2 (en) | 1997-09-04 | 1997-09-04 | Vehicle seat with airbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23926197A JP3552883B2 (en) | 1997-09-04 | 1997-09-04 | Vehicle seat with airbag device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1178758A true JPH1178758A (en) | 1999-03-23 |
| JP3552883B2 JP3552883B2 (en) | 2004-08-11 |
Family
ID=17042141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23926197A Expired - Fee Related JP3552883B2 (en) | 1997-09-04 | 1997-09-04 | Vehicle seat with airbag device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3552883B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002166814A (en) * | 2000-11-30 | 2002-06-11 | T S Tec Kk | Seat equipped with air bag module |
| JP2002166766A (en) * | 2000-11-30 | 2002-06-11 | T S Tec Kk | Seat equipped with air bag module |
| JP2002166816A (en) * | 2000-11-30 | 2002-06-11 | T S Tec Kk | Seat equipped with air bag module |
| GB2420753A (en) * | 2004-12-01 | 2006-06-07 | Lear Corp | A vehicle seat air bag assembly with reinforcement panel |
| GB2436455A (en) * | 2006-03-22 | 2007-09-26 | Lear Corp | Vehicle seat side air bag securement |
| DE102012004928A1 (en) * | 2012-03-10 | 2013-09-12 | Volkswagen Aktiengesellschaft | Cover for vehicle seat, has cover seam provided as tear seam and torn during release case of air bag system of vehicle seat and releasing aperture for airbag-air cushion of air bag module, where side end of cover comprises fastening element |
| WO2013141208A1 (en) * | 2012-03-19 | 2013-09-26 | テイ・エス テック株式会社 | Module holder |
| WO2013147042A1 (en) * | 2012-03-30 | 2013-10-03 | テイ・エス テック株式会社 | Seat equipped with airbag module |
| DE102011077671B4 (en) * | 2010-08-07 | 2021-07-01 | Adient Luxembourg Holding S.À R.L. | Airbag arrangement, in particular for embedding in the side cheek of a vehicle seat and vehicle seat that is closest to a vehicle side wall |
-
1997
- 1997-09-04 JP JP23926197A patent/JP3552883B2/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002166814A (en) * | 2000-11-30 | 2002-06-11 | T S Tec Kk | Seat equipped with air bag module |
| JP2002166766A (en) * | 2000-11-30 | 2002-06-11 | T S Tec Kk | Seat equipped with air bag module |
| JP2002166816A (en) * | 2000-11-30 | 2002-06-11 | T S Tec Kk | Seat equipped with air bag module |
| JP4543269B2 (en) * | 2000-11-30 | 2010-09-15 | テイ・エス テック株式会社 | Seat with air bag module |
| GB2420753A (en) * | 2004-12-01 | 2006-06-07 | Lear Corp | A vehicle seat air bag assembly with reinforcement panel |
| GB2420753B (en) * | 2004-12-01 | 2007-07-11 | Lear Corp | Vehicle seat side air bag system |
| US7377542B2 (en) | 2004-12-01 | 2008-05-27 | Lear Corporation | Vehicle seat side air bag system |
| US7637529B2 (en) | 2006-03-22 | 2009-12-29 | Lear Corporation | Vehicle seat side air bag securement |
| GB2436455B (en) * | 2006-03-22 | 2008-06-04 | Lear Corp | Vehicle seat side air bag securement |
| GB2436455A (en) * | 2006-03-22 | 2007-09-26 | Lear Corp | Vehicle seat side air bag securement |
| DE102011077671B4 (en) * | 2010-08-07 | 2021-07-01 | Adient Luxembourg Holding S.À R.L. | Airbag arrangement, in particular for embedding in the side cheek of a vehicle seat and vehicle seat that is closest to a vehicle side wall |
| DE102012004928A1 (en) * | 2012-03-10 | 2013-09-12 | Volkswagen Aktiengesellschaft | Cover for vehicle seat, has cover seam provided as tear seam and torn during release case of air bag system of vehicle seat and releasing aperture for airbag-air cushion of air bag module, where side end of cover comprises fastening element |
| WO2013141208A1 (en) * | 2012-03-19 | 2013-09-26 | テイ・エス テック株式会社 | Module holder |
| JP2013193564A (en) * | 2012-03-19 | 2013-09-30 | Ts Tech Co Ltd | Module holder |
| WO2013147042A1 (en) * | 2012-03-30 | 2013-10-03 | テイ・エス テック株式会社 | Seat equipped with airbag module |
| JP2013209031A (en) * | 2012-03-30 | 2013-10-10 | Ts Tech Co Ltd | Airbag module-equipped seat |
| US9079556B2 (en) | 2012-03-30 | 2015-07-14 | Ts Tech Co., Ltd. | Airbag module equipped seat |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3552883B2 (en) | 2004-08-11 |
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