JPH01275230A - Vehicle seat - Google Patents
Vehicle seatInfo
- Publication number
- JPH01275230A JPH01275230A JP63105047A JP10504788A JPH01275230A JP H01275230 A JPH01275230 A JP H01275230A JP 63105047 A JP63105047 A JP 63105047A JP 10504788 A JP10504788 A JP 10504788A JP H01275230 A JPH01275230 A JP H01275230A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- seat
- front part
- bellows
- occupant
- 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.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 7
- 229910052708 sodium Inorganic materials 0.000 abstract description 2
- 239000011734 sodium Substances 0.000 abstract description 2
- -1 sodium nitride Chemical class 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000003127 knee Anatomy 0.000 description 3
- 101100313164 Caenorhabditis elegans sea-1 gene Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004705 lumbosacral region Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
- B60N2/4214—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal
- B60N2/4221—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal due to impact coming from the front
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/427—Seats or parts thereof displaced during a crash
- B60N2/42709—Seats or parts thereof displaced during a crash involving residual deformation or fracture of the structure
- B60N2/42718—Seats or parts thereof displaced during a crash involving residual deformation or fracture of the structure with anti-submarining systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/427—Seats or parts thereof displaced during a crash
- B60N2/42772—Seats or parts thereof displaced during a crash characterised by the triggering system
- B60N2/4279—Seats or parts thereof displaced during a crash characterised by the triggering system electric or electronic triggering
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
【発明の詳細な説明】 ［発明の目的］ 〈産業上の利用分野〉 本発明は、車輌用シートに関する。[Detailed description of the invention] [Purpose of the invention] <Industrial application field> The present invention relates to a vehicle seat.
〈従来の技術〉
車輌衝突時に於ける乗員の前方への移動を拘束する装置
として、車輌用シートには、腰部の保持を行うべくシー
トベルトが設けられている。<Prior Art> As a device for restraining the forward movement of an occupant in the event of a vehicle collision, a seat belt is provided in a vehicle seat to hold the lumbar region of the occupant.
このシー１へベルトは、初期状態での緩みが過大であっ
た場合などにはその保持力が不十分となり、幾分か前方
に乗員が移動することを避けられず、場合によっては、
ダツシュボードに膝部を突当てなり、また、緩みのある
シートベルトに急激に突当たることにより腹部に過大な
圧迫を受けたりする虞れがあった。If the belt to seat 1 is too loose in its initial state, its holding force will be insufficient, and the occupant will inevitably move forward, and in some cases,
There was a risk that the driver's knee would hit the dash board, or that his abdomen would be under excessive pressure if he suddenly hit the loose seatbelt.
〈発明が解決しようとする問題点〉
一方、ガス圧により急激６こ膨脂するゴム材などからな
る袋体を乗員とステアリングホイールとの間に介在させ
るようにした所謂エアバッグ装置が知られているが、頭
部の保護効果は期待できるものの、腰部保持を行うこと
については、専らシートベルトにたよらざるを得ない。<Problems to be Solved by the Invention> On the other hand, a so-called airbag device is known in which a bag body made of a rubber material or the like that rapidly expands due to gas pressure is interposed between an occupant and a steering wheel. However, although it can be expected to protect the head, the seatbelt must be relied upon to support the lower back.
シートの座面形状にて腰部の移動を抑制するようにする
ことも考えられるが、通常運転時に違和感を与えるなめ
好ましくない。It is possible to suppress the movement of the lower back by changing the shape of the seat surface, but this is not preferable because it gives a sense of discomfort during normal driving.
本発明は、このような不都合に鑑みなされたものであり
、その主な目的は、通常の着座時の快適性を損なうこと
なく、衝突時に於ける乗員の腰部の前方への移動を好適
に抑制することのできる車輌用シー１〜を提供すること
にある。The present invention was made in view of these inconveniences, and its main purpose is to suitably suppress the forward movement of the occupant's waist in the event of a collision, without impairing the comfort during normal seating. An object of the present invention is to provide a vehicle seat 1 which can perform
［発明の暢成］
〈問題点を解決するための手段〉
このような目的は、本発明によれば、車輌の減速を検知
する減速度センサの信号に応動してシート座面の前部を
上方へ突出すべく持上げ手段を有し、当該車輌の衝突時
に於ける乗員の前方への移動を規制するようにしてなる
ことを特徴とする車輌用シーｌ〜を提供することにより
達成される。[Success of the Invention] <Means for Solving the Problems> According to the present invention, such an object is to control the front part of the seat surface in response to a signal from an deceleration sensor that detects deceleration of the vehicle. This is achieved by providing a vehicle seal l~ characterized in that it has a lifting means to protrude upward and restricts the forward movement of an occupant in the event of a collision of the vehicle.
〈作用〉
このようにすれば、衝突に際して大腿部の膝の直後の部
分が持上げられ、その結果相対的に腰部が落込んだ状態
となる。しかして、腰部の前方への移動が抑制される。<Function> In this way, in the event of a collision, the portion of the thigh immediately behind the knee is lifted, resulting in a state in which the lower back is relatively depressed. Therefore, forward movement of the waist is suppressed.
〈実施例〉
以下に添付の図面を参照して本発明の好適実施例につい
て詳細に説明する。<Embodiments> Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
第１図は、本発明に基くシー１−１に乗員２が着座した
状態を示している。シート１に着座した乗員２の身体に
は、腰部及び胸から屑に掛けてそれぞれ腰ベル１〜３ａ
及び肩ベル１−３ｂが掛渡されており、これにより乗員
２の前方への移動が拘束されている。FIG. 1 shows a state in which a passenger 2 is seated on a sea 1-1 according to the present invention. The body of the occupant 2 seated on the seat 1 is provided with waist bells 1 to 3a, which are hung from the waist and chest, respectively.
A shoulder bell 1-3b is hung over the vehicle, thereby restraining the occupant 2 from moving forward.
シー１−１に於ける着座部の前側部分］−ａ内には、持
上げ装置４が設けられている。この持上げ装置 ４は、
ゴム材などにて蛇腹状に形成されたベローズ５と、ベロ
ーズ５を応用（さぜるためのインフレータ６とからなっ
ている。A lifting device 4 is provided in the front part of the seating section]-a of the seat 1-1. This lifting device 4 is
It consists of a bellows 5 made of rubber material or the like in a bellows shape, and an inflator 6 for applying (warming) the bellows 5.
インフレーク６は、窒化ナトリウムなどからなるガス発
生剤６ａを内蔵している。このガス発生剤６ａは、例え
ば、ばね手段にて浮動的に支持された慣性マスの変位に
て車輌に所定値以」二の減速度が作用したことを検知す
る衝突検知装置７の信号にて着火・燃焼し、この時に生
ずる燃焼ガスの圧力にてベローズ５を上向きに膨脂させ
るものである。The inflation flake 6 contains a gas generating agent 6a made of sodium nitride or the like. This gas generating agent 6a is activated, for example, in response to a signal from a collision detection device 7 that detects that a deceleration of more than a predetermined value is applied to the vehicle due to the displacement of an inertial mass floatingly supported by a spring means. It ignites and burns, and the pressure of the combustion gas generated at this time causes the bellows 5 to swell upward.
さて、車輌が衝突すると、乗員２に対して進行方向への
慣性力が作用し、乗員２は、前方に向けて投げ出される
こととなる。これによる乗員２に加えられる打撃を防止
するためには、乗員２の前方への移動を拘束する必要が
ある。そこで本発明に於ては、衝突時に車輌に作用する
過大な減速度に応動する持上げ装置４により、シー）・
ｊ座面の前側部分１ａを点線１−ａ′にて示すように」
１方へ突出させ、これにより乗Ｒ２の腰部が過度に前方
に移動することを抑制するようにしている。Now, when a vehicle collides, an inertial force acts on the occupant 2 in the traveling direction, and the occupant 2 is thrown forward. In order to prevent the occupant 2 from being hit by this, it is necessary to restrain the occupant 2 from moving forward. Therefore, in the present invention, by using a lifting device 4 that responds to excessive deceleration acting on the vehicle at the time of a collision, the
jThe front part 1a of the seat surface is indicated by the dotted line 1-a'.
It is made to protrude in one direction, thereby suppressing the waist of the rider R2 from moving excessively forward.
第２図は、本発明の第２の実施例を示している。FIG. 2 shows a second embodiment of the invention.
本実施例に於ける持上げ装置４は、シー１〜１の前端部
にその一端１１ａ、が枢支された第１リンク］−１−と
、ピストン１２とシリンダ１３とからなるアクチュエー
タ１４にその一端１５ａが枢着されると共に第１リンク
１１の他端にその他端が連結された第２リンク１５とか
らなっている。The lifting device 4 in this embodiment includes a first link [-1-] whose one end 11a is pivotally supported at the front end of the seas 1 to 1, and an actuator 14 consisting of a piston 12 and a cylinder 13. 15a is pivotally mounted, and a second link 15 whose other end is connected to the other end of the first link 11.
アクチュエータ１４は、シート１下部に、前後方向に沿
って概ね水平に延設されており、前記したインフレータ
６と同様に衝突検知装置７′の信号にて着火・燃焼する
ガス発生剤６ａ’がピストン１２の後方に内蔵されてい
る。The actuator 14 extends generally horizontally along the front-rear direction at the bottom of the seat 1, and, like the inflator 6 described above, a gas generating agent 6a' that is ignited and burned in response to a signal from a collision detection device 7' is attached to the piston. Built-in at the rear of 12.
本実施例の場合、車輌が衝突してガス発生剤６ａ′が燃
焼すると、ビスＩ〜ン１２が押出されて両リンク１−１
・１５の連結部１−６が想像線で示すように上方に持上
がり、前記した第１の実施例と同様にしてシー１−１座
面の前側部分］−ａが上方に突出して乗員の腰部の前方
への移動を阻止する。In the case of this embodiment, when a vehicle collides and the gas generating agent 6a' burns, the screws I to 12 are pushed out and both links 1-1
・The connecting portion 1-6 of 15 is lifted upward as shown by the imaginary line, and the front part of the seat 1-1 of the seat 1-a protrudes upward in the same manner as in the first embodiment described above, and the passenger's Prevents forward movement of the lower back.
「発明の効果」
このように本発明によれば、通常は何等着座姿勢を阻害
することがなく、衝突時には膝の直後の大腿部を瞬時に
持」二げることにより、腰部の前方への移動を好適に抑
制し得ることから、シートベルＩ・と併用することによ
り、乗員を衝突時の衝撃から保誰するうえに多大な効果
を奏することができる。また、本装置により乗員の身体
が幾分か持上げられることから、シー１〜ベル１〜と身
体との密着度が増大し、シー１〜ベルＩへを緊張させた
と同様の作用を得ることもでき、車輌衝突時に於ける乗
員拘束作用をより一層向」ニさせるうえに極めて効果的
である。``Effects of the Invention'' As described above, according to the present invention, the seating position is not obstructed in any way, and in the event of a collision, the thigh immediately behind the knee is instantly raised, thereby moving the seat forward of the lumbar region. Since the movement of the seatbelt can be suitably suppressed, the use of the seatbelt in combination with the seatbelt I can have a great effect on protecting the occupant from the impact of a collision. In addition, since the occupant's body is somewhat lifted by this device, the degree of closeness between Sea 1 to Bell 1 to the body increases, and the same effect as when Sea 1 to Bell I is tensioned can be obtained. This is extremely effective in further improving the occupant restraint effect in the event of a vehicle collision.
第１図は本発明に基くシートに乗員が着座した状態を示
す模式図である。
第２図は本発明装置の別の実施例を部分的に示す模式的
な構成図である。
１−・・・シート１ａ・・・前側部分
３ａ・・・腰ベルト ３ｂ・・・肩ベル１〜４・・
・持上げ装置 ５・・・ベローズ６・・・インフレ
ータ ６ａ・６ａ′・・・ガス発生剤７・７′・・・
衝突検知装置FIG. 1 is a schematic diagram showing a state in which an occupant is seated on a seat based on the present invention. FIG. 2 is a schematic diagram partially showing another embodiment of the device of the present invention. 1-... Seat 1a... Front part 3a... Waist belt 3b... Shoulder bells 1-4...
・Lifting device 5... Bellows 6... Inflator 6a, 6a'... Gas generating agent 7, 7'...
Collision detection device
Claims (3)
してシート座面の前部を上方へ突出すべく持上げ手段を
有し、 当該車輌の衝突時に於ける乗員の前方への移動を規制す
るようにしてなることを特徴とする車輌用シート。(1) It has a lifting means to protrude the front part of the seat surface upward in response to a signal from an deceleration sensor that detects deceleration of the vehicle, and prevents the forward movement of the occupant in the event of a collision of the vehicle. A vehicular seat characterized by being regulated.
からなることを特徴とする第１請求項に記載の車輌用シ
ート。(2) The vehicle seat according to claim 1, wherein the lifting means comprises a bellows device operated by hydraulic pressure.
駆動されるリンク機構からなることを特徴とする第１請
求項に記載の車輌用シート。(3) The vehicle seat according to claim 1, wherein the lifting means comprises a link mechanism driven by a linear sliding actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63105047A JPH01275230A (en) | 1988-04-27 | 1988-04-27 | Vehicle seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63105047A JPH01275230A (en) | 1988-04-27 | 1988-04-27 | Vehicle seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01275230A true JPH01275230A (en) | 1989-11-02 |
Family
ID=14397084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63105047A Pending JPH01275230A (en) | 1988-04-27 | 1988-04-27 | Vehicle seat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01275230A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5290089A (en) * | 1992-12-28 | 1994-03-01 | General Motors Corporation | Seat bellows energy absorber |
| US5340185A (en) * | 1990-10-12 | 1994-08-23 | Audi Ag | Vehicle safety seat having a raisable front edge |
| WO1997029924A1 (en) * | 1996-02-15 | 1997-08-21 | Breed Automotive Technology, Inc. | Seat cushion restraint system |
| WO1998013226A1 (en) * | 1996-09-26 | 1998-04-02 | Pars Passive Rückhaltesysteme Gmbh | Device for reducing the risk of injuries to the feet and legs of a person inside a vehicle |
| FR2755914A1 (en) * | 1996-11-19 | 1998-05-22 | Peugeot | Anti-submarining system for vehicle seat |
| FR2791015A1 (en) * | 1999-03-15 | 2000-09-22 | Nhk Spring Co Ltd | VEHICLE SEAT DEVICE FOR PREVENTING SLIDING FORWARD OF A VEHICLE OCCUPANT, UNDER THE IMPACT SEAT BELT |
| GB2374280A (en) * | 2001-03-09 | 2002-10-16 | Visteon Global Tech Inc | Seating system for a vehicle having a deceleration sensor |
| US6513880B2 (en) | 1999-03-15 | 2003-02-04 | Nhk Spring Co., Ltd. | Power actuator suitable for vehicle occupant restraint systems |
| US6604599B2 (en) | 1999-03-15 | 2003-08-12 | Nhk Spring Co., Ltd. | Anti-submarine vehicle occupant restraint system |
| US6715788B2 (en) | 1999-12-28 | 2004-04-06 | Takata Corporation | Passenger protecting apparatus |
| US6746077B2 (en) * | 2001-11-12 | 2004-06-08 | Faurecia Sieges D'automobile S.A. | Seat pan of an automobile vehicle seat including an anti-submarining crossmember |
| US6837540B2 (en) | 2000-10-13 | 2005-01-04 | Nhk Spring Co., Ltd. | Anti-submarine vehicle occupant restraint system |
| US6863298B2 (en) | 2002-06-12 | 2005-03-08 | Takata Corporation | Occupant protecting device |
| FR2866610A1 (en) * | 2004-02-24 | 2005-08-26 | Renault Sas | Seat for motor vehicle, has base equipped with trough on which support frame is fixed, and anti-submarining support unit provided at front end of trough, where frame has web covered by chair cushioning that covers adjustment unit |
| US6935684B2 (en) | 2002-06-04 | 2005-08-30 | Takata Corporation | Occupant protecting device |
-
1988
- 1988-04-27 JP JP63105047A patent/JPH01275230A/en active Pending
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340185A (en) * | 1990-10-12 | 1994-08-23 | Audi Ag | Vehicle safety seat having a raisable front edge |
| US5290089A (en) * | 1992-12-28 | 1994-03-01 | General Motors Corporation | Seat bellows energy absorber |
| WO1997029924A1 (en) * | 1996-02-15 | 1997-08-21 | Breed Automotive Technology, Inc. | Seat cushion restraint system |
| US5695242A (en) * | 1996-02-15 | 1997-12-09 | Breed Automotive Technology, Inc. | Seat cushion restraint system |
| WO1998013226A1 (en) * | 1996-09-26 | 1998-04-02 | Pars Passive Rückhaltesysteme Gmbh | Device for reducing the risk of injuries to the feet and legs of a person inside a vehicle |
| FR2755914A1 (en) * | 1996-11-19 | 1998-05-22 | Peugeot | Anti-submarining system for vehicle seat |
| FR2791015A1 (en) * | 1999-03-15 | 2000-09-22 | Nhk Spring Co Ltd | VEHICLE SEAT DEVICE FOR PREVENTING SLIDING FORWARD OF A VEHICLE OCCUPANT, UNDER THE IMPACT SEAT BELT |
| US6450573B1 (en) * | 1999-03-15 | 2002-09-17 | Nhk Spring Co., Ltd. | Anti-submarine vehicle seat device |
| US6513880B2 (en) | 1999-03-15 | 2003-02-04 | Nhk Spring Co., Ltd. | Power actuator suitable for vehicle occupant restraint systems |
| US6604599B2 (en) | 1999-03-15 | 2003-08-12 | Nhk Spring Co., Ltd. | Anti-submarine vehicle occupant restraint system |
| US6913319B2 (en) | 1999-03-15 | 2005-07-05 | Nhk Spring Co., Ltd. | Power actuator |
| US7021655B2 (en) | 1999-12-28 | 2006-04-04 | Takata Corporation | Passenger protecting apparatus |
| US6905134B2 (en) | 1999-12-28 | 2005-06-14 | Takata Corporation | Passenger protecting apparatus |
| US6715788B2 (en) | 1999-12-28 | 2004-04-06 | Takata Corporation | Passenger protecting apparatus |
| US6837540B2 (en) | 2000-10-13 | 2005-01-04 | Nhk Spring Co., Ltd. | Anti-submarine vehicle occupant restraint system |
| GB2374280B (en) * | 2001-03-09 | 2003-02-26 | Visteon Global Tech Inc | Seating system for a vehicle having a deceleration sensor |
| GB2374280A (en) * | 2001-03-09 | 2002-10-16 | Visteon Global Tech Inc | Seating system for a vehicle having a deceleration sensor |
| US6746077B2 (en) * | 2001-11-12 | 2004-06-08 | Faurecia Sieges D'automobile S.A. | Seat pan of an automobile vehicle seat including an anti-submarining crossmember |
| US6935684B2 (en) | 2002-06-04 | 2005-08-30 | Takata Corporation | Occupant protecting device |
| US6863298B2 (en) | 2002-06-12 | 2005-03-08 | Takata Corporation | Occupant protecting device |
| FR2866610A1 (en) * | 2004-02-24 | 2005-08-26 | Renault Sas | Seat for motor vehicle, has base equipped with trough on which support frame is fixed, and anti-submarining support unit provided at front end of trough, where frame has web covered by chair cushioning that covers adjustment unit |
| EP1571039A1 (en) * | 2004-02-24 | 2005-09-07 | Renault s.a.s. | Automotive vehicle seat |
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