JPH0565084A - Seat back of car seat - Google Patents
Seat back of car seatInfo
- Publication number
- JPH0565084A JPH0565084A JP22765691A JP22765691A JPH0565084A JP H0565084 A JPH0565084 A JP H0565084A JP 22765691 A JP22765691 A JP 22765691A JP 22765691 A JP22765691 A JP 22765691A JP H0565084 A JPH0565084 A JP H0565084A
- Authority
- JP
- Japan
- Prior art keywords
- cushion support
- backrest
- vehicle seat
- cushion
- support
- 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
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
-
- 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
- B60N2/4249—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 fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash
- B60N2/4256—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 fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash the shape of the seat being specially adapted for a particular purpose or for particular vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、車両シートの背もたれ
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 backrest.
【０００２】[0002]
【従来の技術】この種の公知の背もたれにおいては（Ｄ
Ｅ３８０８３１６Ａ１）、吸収部材として金属棒がクッ
ション支持体内に埋め込まれている。このように埋め込
むことによって製造が複雑となり、かつクッション支持
体の重量も増加する。In known backrests of this kind (D
E3808316A1), a metal rod as an absorbing member is embedded in the cushion support. Such embedding complicates manufacturing and also increases the weight of the cushion support.
【０００３】[0003]
【発明が解決しようとする課題】従って本発明の課題
は、エネルギを良好に吸収するにも拘らず重量を削減す
ることができ、しかも製造コストをできるだけ増大させ
ない冒頭で述べた種類の背もたれを提供することであ
る。SUMMARY OF THE INVENTION The object of the invention is therefore to provide a backrest of the kind mentioned at the outset which, despite absorbing energy well, saves weight and does not increase manufacturing costs as much as possible. It is to be.
【０００４】[0004]
【課題を解決するための手段】本発明によれば、クッシ
ョン支持体の少なくとも側方の端縁領域の間にある中央
領域がプラスチックからなるシェル形の支持体として形
成され、支持体にはこの支持体と結合され背もたれの横
方向に延びる少なくとも１つの吸収部材が設けられてお
り、吸収部材は少なくとも曲げ応力の下方の限界値を越
えた場合にエネルギを吸収する、車両シートの背もたれ
において、クッション支持体に少なくとも１つの収容部
が設けられ、収容部の中には少なくとも半硬質の発泡材
からなる吸収部材が配置されている。According to the invention, at least the central region of the cushion carrier between the lateral edge regions is formed as a shell-shaped carrier of plastic, which is A cushion in the backrest of a vehicle seat, which is provided with at least one absorption element which is connected to the support and extends laterally of the backrest, the absorption element absorbing energy at least when the lower limit of bending stress is exceeded. At least one accommodating portion is provided on the support, and an absorbing member made of at least a semi-rigid foam material is disposed in the accommodating portion.
【０００５】吸収部材を曲げ応力によってだけでなく圧
縮応力の場合にもエネルギを吸収する半硬質あるいは硬
質の発泡材から形成することによって、容易に所望のエ
ネルギ吸収能力を得ることができる。さらに本発明装置
は安価である。というのは吸収部材を収容する収容部を
ほとんどコストを上昇させずにクッション支持体に取り
付けることができ、その場合に吸収部材を後から挿入す
ることによりコストにはね返らないからである。By forming the absorbing member from a semi-rigid or rigid foam material which absorbs energy not only by bending stress but also by compressive stress, a desired energy absorbing capacity can be easily obtained. Furthermore, the device of the present invention is inexpensive. This is because the accommodating part for accommodating the absorbent member can be attached to the cushion support body with almost no increase in cost, and in that case, the cost is not repelled by inserting the absorbent member later.
【０００６】好ましくは収容部はポケットとして形成さ
れる。というのはこの種のポケットへ吸収部材を挿入す
ることは非常に簡単に行うことができ、ポケット内に吸
収部材を固定することに困難はないからである。吸収部
材は好ましくは背もたれの横方向においてクッション支
持体の中央領域全体にわたって延びているので、吸収部
材を収容する収容部もクッション支持体の好ましくは少
なくとも中央領域にわたって延びている。好ましい実施
例においては、収容部はクッション支持体のクッション
側の前面に設けられる。というのは背もたれが前から圧
縮負荷を受けた場合に、まず第１にエネルギを吸収する
ことが必要だからである。さらに、この種の装置におい
ては、収容部と吸収部材は光学的には見えない。という
のはクッションで被覆されているからである。Preferably the receiving part is formed as a pocket. This is because inserting an absorbent member into a pocket of this kind is very easy and fixing the absorbent member in the pocket is not difficult. Since the absorbent member preferably extends laterally of the backrest over the entire central region of the cushion support, the receiving part for accommodating the absorbent member also extends preferably over at least the central region of the cushion support. In a preferred embodiment, the receiving part is provided on the cushion-side front surface of the cushion support. When the backrest is subjected to a compressive load from the front, it is necessary first of all to absorb the energy. Moreover, in this type of device, the housing and the absorber are not optically visible. Because it is covered with a cushion.
【０００７】非常に良好なエネルギ吸収特性は、半硬質
のポリウレタン発泡材からなる吸収部材によって得られ
る。吸収部材の好ましい実施例は、請求項７から請求項
１１に記載されており、このようにして形成された吸収
部材は好ましくはシート利用者の仙骨の領域を支える高
さに配置されている。もちろん、高さの異なる２つある
いはそれ以上の吸収部材を設けることも可能であって、
吸収部材の位置を選択することによって請求項７から請
求項１１に記載の形状とは異なる形状にすることも可能
である。Very good energy absorption properties are obtained with an absorber made of semi-rigid polyurethane foam. Preferred embodiments of the absorbent member are described in claims 7 to 11, and the absorbent member thus formed is preferably arranged at a height that supports the sacral region of the seat user. Of course, it is also possible to provide two or more absorbing members of different heights,
It is also possible to make the shape different from the shape described in claims 7 to 11 by selecting the position of the absorbing member.
【０００８】[0008]
【実施例】以下、図面に示す実施例を用いて本発明を詳
細に説明する。全体を符号１で示す自動車の背もたれに
はシェルとして形成されたクッション支持体２が設けら
れ、クッション支持体２は特に図３から明らかなように
前方へ張り出した側壁３を有し、側壁の下端縁の領域は
それぞれリンク金具４と結合固定されている。クッショ
ン支持体２は繊維強化プラスチックから形成される。The present invention will be described in detail below with reference to the embodiments shown in the drawings. The backrest of the vehicle, generally designated by 1, is provided with a cushion support 2 formed as a shell, the cushion support 2 having a side wall 3 projecting forward, as is particularly apparent from FIG. The edge regions are joined and fixed to the link fittings 4, respectively. The cushion support 2 is made of fiber reinforced plastic.
【０００９】特に図２に示すように、クッション支持体
２の利用者の腰椎を支える部分の、クッション支持体２
の利用者側前面には、クッション支持体２と同一の材料
からなる下方が開放したポケット５が形成されている。
このポケット５は、図３に示すようにシート横方向にお
いてクッション支持体２の中央部分６にわたって延びる
だけでなく、さらに両側壁３にわたって延びている。従
ってクッション支持体２のポケット５の領域はその全幅
にわたって２重に形成されている。In particular, as shown in FIG. 2, the portion of the cushion support 2 that supports the user's lumbar spine supports the cushion support 2.
On the front side of the user side, a pocket 5 made of the same material as the cushion support 2 and having an open bottom is formed.
This pocket 5 not only extends over the central portion 6 of the cushion support 2 in the seat lateral direction as shown in FIG. 3, but also over the side walls 3. The area of the pocket 5 of the cushion support 2 is therefore doubled over its entire width.
【００１０】さらに図３に示すように、本実施例におい
てはポケット５の中央部分６の前の領域は平坦なプレー
トとなっており、その側方に連続してそれぞれ湾曲部を
介して前方へ延びる側壁が設けられ、側壁の外側へ屈曲
された端縁領域は側壁３に取り付けられている。それに
対してクッション支持体２の中央領域６には、中央の平
坦な部分に連続してそれぞれ後方へ張り出す補強用の膨
出部７が設けられている。Further, as shown in FIG. 3, in the present embodiment, the region in front of the central portion 6 of the pocket 5 is a flat plate, which is continuous laterally to the front via curved portions. An extending side wall is provided, the edge region of which is bent outwards is attached to the side wall 3. On the other hand, the central region 6 of the cushion support 2 is provided with a bulging portion 7 for reinforcement, which continuously extends to the rear in the central flat portion.
【００１１】ポケット５のクッション支持体２の中央部
分６と一緒に形成された部分には吸収部材８が挿入さ
れ、吸収部材は上方へくさび状に細くなっているポケッ
ト５内に接着され、かつ図２に示すようにポケット５か
ら下方へ突出している。半硬質のポリウレタン発泡材か
らなりエネルギを吸収する型材として形成されたこの吸
収部材８は、ポケット５の中央部分６と一緒に形成され
た部分を完全に充填している。従って図６に示すよう
に、吸収部材の両側の端縁領域には後方へ張り出す隆起
部９が形成され、この隆起部は膨出部７の形状に適合し
ている。図２および図９に示すように、吸収部材８の厚
みは上端縁から下方へ向かって、ポケット５の下端縁と
一致する線１０のところまで増加している。そこから厚
みは吸収部材８の下端縁まで均一に減少し、ゼロとな
る。後方へ張り出す隆起部９となっている両側の領域に
おいても、厚みは線１０まで増加している。しかしそこ
からは図８に示すように下端縁までほぼ一定である。吸
収部材８の両端部領域１１は、図７に示すようにくさび
状の形状を有する。An absorbent member 8 is inserted in a portion of the pocket 5 which is formed with the central portion 6 of the cushion support 2, the absorbent member being glued into the upwardly wedged pocket 5 and As shown in FIG. 2, it projects downward from the pocket 5. This absorbent member 8 made of semi-rigid polyurethane foam and formed as an energy-absorbing mold material completely fills the part of the pocket 5 formed with the central part 6. Therefore, as shown in FIG. 6, ridges 9 projecting rearward are formed in the edge regions on both sides of the absorbing member, and these ridges conform to the shape of the bulge 7. As shown in FIGS. 2 and 9, the thickness of the absorbent member 8 increases from the upper end edge downward to a line 10 corresponding to the lower end edge of the pocket 5. From there, the thickness uniformly decreases to the lower edge of the absorbing member 8 and becomes zero. The thickness increases up to the line 10 also in the regions on both sides which are the bulges 9 protruding rearward. However, from there, it is almost constant up to the lower edge as shown in FIG. Both end regions 11 of the absorbing member 8 have a wedge shape as shown in FIG. 7.
【００１２】ポケット５と吸収部材８のポケットから下
方へ突出している部分は、クッション支持体２上に載置
されたクッション１２によって完全に覆われる。クッシ
ョン支持体２に接している面領域を除いてクッション１
２はカバー１３によって完全に被覆される。The portions of the pocket 5 and the absorbent member 8 projecting downward from the pockets are completely covered by the cushion 12 placed on the cushion support 2. Cushion 1 except for the surface area in contact with cushion support 2
2 is completely covered by the cover 13.
【００１３】例えば事故の場合に生じるように、前方か
ら加わる背もたれの負荷が極限値を越えた場合には、ポ
ケットと吸収部材８が変形する。吸収部材８の圧縮によ
る変形及び曲げ応力によって、吸収部材８によりかなり
大きなエネルギ吸収が行われる。When the load on the backrest applied from the front exceeds the limit value as in the case of an accident, for example, the pocket and the absorbing member 8 are deformed. Due to the compression deformation and bending stress of the absorbing member 8, the absorbing member 8 absorbs a considerable amount of energy.
【００１４】以上の説明及び図面は、例えば本発明を具
体化するのに重要な特徴だけを説明するものである。従
って特徴が明細書及び図面に開示されており、かつ請求
項に記載されていない場合には、この特徴は必要な場合
には本発明の対象を明確にするためにも用いることがで
きる。The foregoing description and drawings only describe features that are important, for example, in implementing the invention. Accordingly, where a feature is disclosed in the specification and drawings and not claimed, it can also be used to define the subject matter of the invention, if necessary.
【図１】実施例による背もたれの前面を示す上面図であ
る。FIG. 1 is a top view showing a front surface of a backrest according to an embodiment.
【図２】図１のII−II線に沿った断面図である。FIG. 2 is a sectional view taken along line II-II of FIG.
【図３】図１の III−III 線に沿ったクッション支持体
の断面図である。3 is a sectional view of the cushion support taken along line III-III in FIG.
【図４】吸収部材の前面を示す上面図である。FIG. 4 is a top view showing the front surface of the absorbing member.
【図５】吸収部材の側面図である。FIG. 5 is a side view of the absorbing member.
【図６】図４のVI−VI線に沿った断面図である。6 is a cross-sectional view taken along the line VI-VI of FIG.
【図７】図４の VII−VII 線に沿った断面図である。7 is a sectional view taken along line VII-VII of FIG.
【図８】図４のVIII−VIII線に沿った断面図である。8 is a sectional view taken along the line VIII-VIII of FIG.
【図９】図４のIX−IX線に沿った断面図である。9 is a sectional view taken along line IX-IX in FIG.
１…自動車の背もたれ ２…クッション支持体 ５…ポケット ８…吸収部材 １２…クッション 1 ... Automotive backrest 2 ... Cushion support 5 ... Pocket 8 ... Absorbing member 12 ... Cushion
Claims (11)
縁領域の間にある中央領域がプラスチックからなるシェ
ル形の支持体として形成され、支持体にはこの支持体と
結合され背もたれの横方向に延びる少なくとも１つの吸
収部材が設けられており、吸収部材は少なくとも曲げ応
力の下方の限界値を越えた場合にエネルギを吸収する、
車両シートの背もたれにおいて、 クッション支持体（２）に少なくとも１つの収容部
（５）が設けられ、収容部の中には少なくとも半硬質の
発泡材からなる吸収部材（８）が配置されていることを
特徴とする車両シートの背もたれ。1. A central region between at least the lateral edge regions of the cushion support is formed as a shell-shaped support made of plastic, which support is connected to this support in the lateral direction of the backrest. There is provided at least one absorbing member extending, which absorbs energy at least when the lower limit of bending stress is exceeded.
In the backrest of a vehicle seat, at least one accommodating part (5) is provided in the cushion support (2), and an absorbing member (8) made of at least a semi-rigid foam material is arranged in the accommodating part. The backrest of the vehicle seat characterized by.
応力に関しても曲げ応力に関してもエネルギ吸収能力を
有することを特徴とする請求項１に記載の車両シートの
背もたれ。2. The seat back of a vehicle seat according to claim 1, characterized in that the foam material forming the absorbing member (8) has an energy absorbing capacity both with respect to compressive stress and with respect to bending stress.
ケット（５）として形成されることを特徴とする請求項
１あるいは請求項２に記載の車両シートの背もたれ。3. Seat back according to claim 1 or 2, characterized in that the housing is preferably formed as a pocket (5) which is open at the bottom.
て、クッション支持体（２）の少なくとも中央領域にわ
たって延びることを特徴とする請求項１から請求項３の
いずれか１項に記載の車両シートの背もたれ。4. Vehicle according to any one of claims 1 to 3, characterized in that the housing (5) extends laterally of the backrest over at least the central region of the cushion support (2). Seat back.
（２）のクッション（１２）側の前面に設けられること
を特徴とする請求項１から請求項４のいずれか１項に記
載の車両シートの背もたれ。5. Vehicle according to any one of claims 1 to 4, characterized in that the housing (5) is provided on the front surface of the cushion support (2) on the side of the cushion (12). Seat back.
ン発泡材から形成されることを特徴とする請求項１から
請求項５のいずれか１項に記載の車両シートの背もた
れ。6. Vehicle seat back according to claim 1, characterized in that the absorbent member (8) is formed from a semi-rigid polyurethane foam.
（２）の長手方向中心線の方向に延びる長手方向中心線
に関して対称に形成され、かつクッション支持体（２）
の横方向の延び全体にわたって長手中心線方向に等しく
延びる中央領域を有し、中央部分の側方に連続して、そ
れぞれ外側端部方向に向かって小さくなるように長手中
心線方向に延びる端部領域が設けられることを特徴とす
る請求項１から請求項７のいずれか１項に記載の車両シ
ートの背もたれ。7. Absorbing member (8) is formed symmetrically with respect to a longitudinal centerline extending in the direction of the longitudinal centerline of the cushion support (2), and the cushion support (2).
End portions that have central regions that extend equally in the longitudinal centerline direction over the entire lateral extension of, and that extend continuously in the lateral direction of the central portion and that respectively decrease in the outer end direction toward the longitudinal centerline direction. The backrest of a vehicle seat according to any one of claims 1 to 7, characterized in that a region is provided.
に、吸収部材（８）の外側輪郭が台形状であることを特
徴とする請求項７に記載の車両シートの背もたれ。8. The backrest of a vehicle seat according to claim 7, wherein the outer contour of the absorbing member (8) has a trapezoidal shape when the line of sight is directed to the surface on the seat user side.
端縁からまず下方へ向かって増加し、中心線のほぼ下方
にある線（１０）のところから再び減少することを特徴
とする請求項７あるいは請求項８に記載の車両シートの
背もたれ。9. The thickness of the central area of the absorbent member (8) increases first downward from the upper edge and decreases again from the line (10) approximately below the center line. The backrest of the vehicle seat according to claim 7 or 8.
上端部からまず下方へ向かって増加し、中央のほぼ下方
にある線（１０）のところから一定であることを特徴と
する請求項７から請求項９のいずれか１項に記載の車両
シートの背もたれ。10. The thickness of the end region of the absorbent member (8) is
A vehicle seat according to any one of claims 7 to 9, characterized in that it increases downwards from the upper end first and is constant from the line (10) approximately below the center. Back.
内側から外側へ向かってまず中央領域の最大厚みより大
きい値まで増加し、厚みがそこから外側に向かって再び
減少することを特徴とする請求項１０に記載の車両シー
トの背もたれ。11. The thickness of the end region of the absorbent member (8) is
11. A vehicle seat back according to claim 10, characterized in that it increases from the inside to the outside first to a value greater than the maximum thickness of the central region and from there again decreases towards the outside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE90128583 | 1990-09-10 | ||
| DE9012858U DE9012858U1 (en) | 1990-09-10 | 1990-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0565084A true JPH0565084A (en) | 1993-03-19 |
Family
ID=6857320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22765691A Pending JPH0565084A (en) | 1990-09-10 | 1991-09-09 | Seat back of car seat |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0565084A (en) |
| DE (1) | DE9012858U1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19845730B4 (en) | 1998-10-05 | 2005-02-10 | Audi Ag | cushion support |
| DE10028717A1 (en) * | 2000-06-09 | 2002-02-14 | Daimler Chrysler Ag | Backrest for vehicle seat; has at least one partly reversible fluid-filled deformable chamber and devices to reduce volume of chambers in event of accident |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60117002A (en) * | 1983-11-30 | 1985-06-24 | 株式会社日立製作所 | Controller for feedwater to nuclear reactor |
| JPS6112831U (en) * | 1984-06-29 | 1986-01-25 | 株式会社クボタ | Hydraulic control valve mechanism |
| JPS61290911A (en) * | 1985-06-14 | 1986-12-20 | カイパ− レカロ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング ウント コンパニ− | Backrest support of seat for vehicle |
| JPS6456242A (en) * | 1987-08-19 | 1989-03-03 | Daimler Benz Ag | Seat for automobile |
| JPH01119442A (en) * | 1987-11-02 | 1989-05-11 | Yokohama Rubber Co Ltd:The | Energy absorbing type seat |
-
1990
- 1990-09-10 DE DE9012858U patent/DE9012858U1/de not_active Expired - Lifetime
-
1991
- 1991-09-09 JP JP22765691A patent/JPH0565084A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60117002A (en) * | 1983-11-30 | 1985-06-24 | 株式会社日立製作所 | Controller for feedwater to nuclear reactor |
| JPS6112831U (en) * | 1984-06-29 | 1986-01-25 | 株式会社クボタ | Hydraulic control valve mechanism |
| JPS61290911A (en) * | 1985-06-14 | 1986-12-20 | カイパ− レカロ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング ウント コンパニ− | Backrest support of seat for vehicle |
| JPS6456242A (en) * | 1987-08-19 | 1989-03-03 | Daimler Benz Ag | Seat for automobile |
| JPH01119442A (en) * | 1987-11-02 | 1989-05-11 | Yokohama Rubber Co Ltd:The | Energy absorbing type seat |
Also Published As
| Publication number | Publication date |
|---|---|
| DE9012858U1 (en) | 1990-11-15 |
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