JP3497750B2 - Seat back locking device for automotive seats - Google Patents
Seat back locking device for automotive seatsInfo
- Publication number
- JP3497750B2 JP3497750B2 JP35363598A JP35363598A JP3497750B2 JP 3497750 B2 JP3497750 B2 JP 3497750B2 JP 35363598 A JP35363598 A JP 35363598A JP 35363598 A JP35363598 A JP 35363598A JP 3497750 B2 JP3497750 B2 JP 3497750B2
- Authority
- JP
- Japan
- Prior art keywords
- seat
- seat back
- locking
- locked
- main body
- 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.)
- Expired - Fee Related
Links
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【発明の属する技術分野】本発明は、シートクッション
がわに回動自在に枢支させられたシートバックを起立姿
勢となるよう回動させたとき、このシートバックを車体
の固定側部材に係脱自在に係止させるようにした自動車
用シートのシートバック係止装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat back which is rotatably supported by a seat cushion so that the seat back is fixed to a fixed member of a vehicle body when the seat back is rotated to an upright posture. The present invention relates to a seat back locking device for a vehicle seat that is detachably locked.
【０００２】[0002]
【従来の技術】上記自動車用シートのシートバック係止
装置には、従来、特開平６‐２０６４８６号公報で示さ
れるものがある。2. Description of the Related Art A conventional seat back locking device for a vehicle seat is disclosed in Japanese Patent Laid-Open No. 6-206486.
【０００３】上記公報のものによれば、車載のリヤのシ
ートが起立姿勢とされるシートバックを備え、このシー
トバックは前後いずれか一方向に向って往復回動自在と
なるようその下端部がシートクッションに枢支されてい
る。上記シートバックの一側部に対し車幅方向で隣接す
る車体の固定側部材の表面に係止部であるストライカが
突設され、上記シートバックが復回動して上記起立姿勢
に戻るとき上記ストライカに係止される被係止部が、上
記シートバックの一側部に取り付けられている。According to the above-mentioned publication, a vehicle-mounted rear seat is provided with a seat back in an upright posture, and the lower end of the seat back is reciprocally rotatable in either one of the front and rear directions. It is pivotally supported by the seat cushion. When a striker, which is a locking portion, projects from the surface of a fixed-side member of the vehicle body, which is adjacent to one side portion of the seat back in the vehicle width direction, and the seat back returns to the upright posture by returning rotation. A locked portion that is locked by the striker is attached to one side portion of the seat back.
【０００４】そして、上記シートバックを起立姿勢とさ
せて上記被係止部をストライカに係止させ、もって、シ
ートバックが固定側部材に支持されている場合に、上記
シートに乗員が着座可能とされ、一方、上記係止を解除
してシートバックを往回動させこれをシートクッション
上に重ね合わせれば、上記シートバックの背面上に荷物
等が載置可能とされる。Then, the seat back is set in the upright posture and the engaged portion is locked by the striker, so that the occupant can sit on the seat when the seat back is supported by the fixed member. On the other hand, if the seat back is pivoted forward and the seat back is superposed on the seat cushion, luggage or the like can be placed on the back surface of the seat back.
【０００５】[0005]
【発明が解決しようとする課題】ところで、上記従来の
技術では、ストライカに被係止部を係止させたとき、上
記ストライカは車幅方向に延びる棒材で構成されてい
て、この棒材の部分に上記被係止部が係合することとな
っており、このため、車体の車幅方向の振動で上記スト
ライカに対し被係止部がわずかながらでも摺動するおそ
れがあり、よって、上記係止状態で、固定側部材とシー
トバックとの間に車幅方向でのがたつきが生じるおそれ
がある。By the way, in the above-mentioned prior art, when the striker is engaged with the engaged portion, the striker is composed of a bar member extending in the vehicle width direction. The locked portion is engaged with the portion, and therefore, the vibration of the vehicle body in the vehicle width direction may cause the locked portion to slide on the striker even if slightly. In the locked state, rattling in the vehicle width direction may occur between the fixed member and the seat back.
【０００６】また、上記ストライカには、上記被係止部
との係脱により表面傷が生じるおそれがあり、また、こ
れを防止するためにグリースを塗布することがあるが、
この場合、上記ストライカは固定側部材の表面に突設さ
れていて、外観上容易に見えるものであるため、上記表
面傷やグリースも外観上容易に見えることとなり、もっ
て、シートの見栄えが低下させられるおそれを生じる。Further, there is a possibility that surface damage may occur on the striker due to engagement and disengagement with the locked portion, and grease may be applied to prevent this from occurring.
In this case, since the striker is projected on the surface of the fixed side member and can be easily seen from the outside, the surface scratches and grease are also easily seen from the outside, so that the appearance of the sheet is deteriorated. May occur.
【０００７】本発明は、上記のような事情に注目してな
されたもので、シートのシートバックを固定側部材に係
止させたとき、これら両者の間にがたつきが生じないよ
うにし、かつ、シートの見栄えを向上させるようにする
ことを課題とする。The present invention has been made in view of the above circumstances, and when the seat back of the seat is locked to the fixed side member, rattling does not occur between them. At the same time, the task is to improve the appearance of the seat.
【０００８】[0008]
【課題を解決するための手段】上記課題を解決するため
の本発明の自動車用シートのシートバック係止装置は、
次の如くである。A seat back locking device for an automobile seat according to the present invention for solving the above-mentioned problems is provided.
It is as follows.
【０００９】請求項１の発明は、シート１が起立姿勢と
されるシートバック６を備え、このシートバック６が前
後いずれか一方向に向って往復回動(Ａ，Ｂ)自在となる
ようその下端部をシートクッション５がわに枢支させ、
上記シートバック６の一側部９に対し車幅方向で隣接す
る車体の固定側部材１０の表面に係止部１３を突設し、
上記シートバック６が復回動Ｂして上記起立姿勢に戻る
とき上記係止部１３に係止される被係止部１４を上記シ
ートバック６の一側部９に取り付けた自動車用シートに
おいて、The invention of claim 1 is provided with a seat back 6 in which the seat 1 is in an upright posture, and the seat back 6 can be reciprocally rotated (A, B) in one of the front and rear directions. The lower end is pivotally supported by the seat cushion 5,
A locking portion 13 is provided on the surface of a fixed-side member 10 of the vehicle body adjacent to the one side portion 9 of the seat back 6 in the vehicle width direction,
In a vehicle seat in which a locked portion 14 that is locked by the locking portion 13 when the seat back 6 returns to the upright posture by the backward rotation B is attached to one side portion 9 of the seat back 6,
【００１０】 上記係止部１３が、上記固定側部材１０
の表面から外方に突出する基部１８と、この基部１８か
ら上記一方向に向って突出する縦長の係止部本体１９と
を備え、上記一方向とは反対方向での上記被係止部１４
の端面における車幅方向での中途部、かつ、上下方向で
の中途部に上記係止部本体１９を嵌脱自在に嵌入させる
嵌入孔３７を形成し、この嵌入孔３７よりも上記固定側
部材１０がわに位置する上記被係止部１４の側部を縦長
の被係止部本体３８とし、上記係止部本体１９と被係止
部本体３８の車幅方向での互いの対向面１９ａ，３８ａ
を互いに圧接させたものである。The locking portion 13 is provided on the fixed side member 10.
A base portion 18 protruding outward from the surface of the base body and a vertically elongated locking portion main body 19 protruding from the base portion 18 in the one direction, and the locked portion 14 in the opposite direction to the one direction.
A fitting hole 37 into which the locking portion main body 19 is removably fitted is formed at a middle portion in the vehicle width direction and a middle portion in the up and down direction of the end surface of the end face of the fixed side member. The side portion of the locked portion 14 located at the crocodile 10 is a vertically long locked portion main body 38, and the locking portion main body 19 and the locked portion main body 38 face each other 19a in the vehicle width direction. , 38a
Are pressed against each other.
【００１１】 請求項２の発明は、請求項１の発明に加
えて、上記反対方向に向っての上記被係止部本体３８の
端を、上記係止部１３の基部１８に弾性体４４を介して
圧接させたものである。According to a second aspect of the present invention, in addition to the first aspect of the invention, an end of the locked portion main body 38 in the opposite direction is attached to the base portion 18 of the locking portion 13 by an elastic body 44. It has been pressed against.
【００１２】[0012]
【発明の実施の形態】以下、本発明の実施の形態を図面
により説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.
【００１３】図２において、符号１は自動車の車体の車
室に設けられる車載のリヤのシートで、このシート１
は、車幅方向に離れて配設される左右一対の主シート
２，２と、これら主シート２，２の間に配設される補助
シート３とを備えている。In FIG. 2, reference numeral 1 is a vehicle-mounted rear seat provided in a passenger compartment of an automobile body.
Is provided with a pair of left and right main seats 2 and 2 arranged apart from each other in the vehicle width direction, and an auxiliary seat 3 arranged between these main seats 2 and 2.
【００１４】上記各シート２，３は、それぞれ車体のフ
ロアパネル上に支持されるシートクッション５と、この
シートクッション５の後端部がわから上方に向って突出
する起立姿勢で背もたれ可能な姿勢とされるシートバッ
ク６と、このシートバック６の骨組みを構成するシート
フレーム７と、上記シートバック６が上記起立姿勢から
自動車の前後いずれかの一方向に向って往復回動(Ａ，
Ｂ)自在となるようその下端部を上記シートクッション
５の後端部がわに枢支させる枢支手段８とを備えてい
る。なお、上記後端部がわとは、シートクッション５の
後端部とフロアパネルなど車体を含む概念である。Each of the seats 2 and 3 has a seat cushion 5 supported on the floor panel of the vehicle body, and a backrest position in which the rear end portion of the seat cushion 5 projects upward from the stand so that the backrest can be supported. Seat back 6 and a seat frame 7 that constitutes the framework of the seat back 6, and the seat back 6 reciprocally rotates from the standing posture in one of the front and rear directions of the vehicle (A,
B) A pivoting means 8 is provided so that the lower end of the seat cushion 5 is pivotally supported by the rear end of the seat so as to be freely movable. The rear end portion is a concept including the rear end portion of the seat cushion 5 and the vehicle body such as the floor panel.
【００１５】 上記一方向は、図例では図中矢印Ｆｒで
示した自動車の前方に一致しており、このため、上記一
方向については、以下、これを単に前方として説明し、
上記一方向とは反対方向を後方として説明する。The above-mentioned one direction corresponds to the front of the vehicle indicated by the arrow Fr in the figure, and therefore, the above-mentioned one direction will be simply referred to as “forward”.
The direction opposite to the one direction will be described as the rear.
【００１６】上記したように、シートバック６を起立姿
勢にさせたとき、図１中の主シート２で示すようにシー
ト１は着座可能な姿勢とされる。As described above, when the seat back 6 is in the upright position, the seat 1 is in a seatable position as shown by the main seat 2 in FIG.
【００１７】一方、上記状態からシートバック６を往回
動Ａさせれば、このシートバック６は上記シートクッシ
ョン５の上面に重ね合わせ可能とされ(図１中一点鎖
線)、これにより、シート１は収納姿勢とされ、もっ
て、シート１の収納時における車室の荷物収納空間が広
げられ、上記シートバック６の背面上に荷物等が載置可
能とされている。On the other hand, if the seat back 6 is rotated forward A from the above state, the seat back 6 can be superposed on the upper surface of the seat cushion 5 (one-dot chain line in FIG. 1). Is in a stowed position, so that the luggage storage space in the vehicle compartment when the seat 1 is stowed is expanded, and luggage or the like can be placed on the back surface of the seat back 6.
【００１８】上記シート１は、上記補助シート３のシー
トバック６の一側部９に対し車幅方向で隣接する車体の
固定側部材１０である上記主シート２のシートバック６
に、上記シートバック６の一側部９を係脱自在に係止さ
せる係止装置１１を備えている。The seat 1 is a fixed-side member 10 of the vehicle body which is adjacent to one side portion 9 of the seat back 6 of the auxiliary seat 3 in the vehicle width direction.
Further, a locking device 11 for locking the one side portion 9 of the seat back 6 in a disengageable manner is provided.
【００１９】上記係止装置１１は、上記シートバック６
の一側部９に対し車幅方向で隣接する上記固定側部材１
０の表面に突設される係止部１３と、上記補助シート３
のシートバック６の一側部９に取り付けられこのシート
バック６が復回動Ｂして上記起立姿勢に戻るとき、上記
係止部１３に係脱自在に自動的に係止される被係止部１
４とを備え、この係止により、上記シートバック６が上
記固定側部材１０に支持されることとなる。The locking device 11 includes the seat back 6
The fixed side member 1 adjacent to the one side portion 9 in the vehicle width direction.
0 and the auxiliary sheet 3
The seat back 6 is attached to one side portion 9 of the seat back 6, and when the seat back 6 returns to the upright posture by the backward rotation B, the locked portion 13 is automatically and detachably locked. Part 1
4 and the seat back 6 is supported by the fixed-side member 10 by this locking.
【００２０】全図において、上記係止部１３は、車体の
平面視で前方に向って開くほぼＵ字形状の板金製の係止
部主部１６を備えている、この係止部主部１６を構成す
る左右一対の対向片のうち、上記固定側部材１０(主シ
ート２)がわの一方の対向片１７が上記主シート２のシ
ートフレーム７に着脱自在に固着され、上記両対向片の
各後端部を互いに一体的に連結させる連結片が上記固定
側部材１０の表面から外側方に突出する基部１８とさ
れ、また、上記両対向片のうち、他方の対向片が上記基
部１８の突出端部から前方に向って突出する縦長の係止
部本体１９とされている。In all the drawings, the locking portion 13 is provided with a locking portion main portion 16 made of a substantially U-shaped sheet metal which is opened toward the front in a plan view of the vehicle body. Of the pair of left and right facing pieces constituting the above, one facing piece 17 of the fixed side member 10 (main seat 2) is detachably fixed to the seat frame 7 of the main seat 2 and A connecting piece for integrally connecting the rear end portions to each other is a base portion 18 protruding outward from the surface of the fixed-side member 10, and the other facing piece of the both facing pieces is the base portion 18. It is a vertically long locking portion main body 19 that projects forward from the projecting end portion.
【００２１】上記固定側部材１０(主シート２)のシート
バック６のシートフレーム７に板金製のブラケット２２
が取り付けられている。このブラケット２２には軸心が
車幅方向に延びるパイプ形状のガイド体２３が固着具２
４により取り付けられ、上記ガイド体２３に可動の係止
体である係止フック２５がその軸方向に摺動自在となる
よう嵌入されて支承されている。A bracket 22 made of sheet metal is attached to the seat frame 7 of the seat back 6 of the fixed member 10 (main seat 2).
Is attached. A pipe-shaped guide body 23 whose axis extends in the vehicle width direction is attached to the bracket 22.
4, a locking hook 25, which is a movable locking body, is fitted and supported by the guide body 23 so as to be slidable in the axial direction.
【００２２】上記係止フック２５はその摺動で、車幅方
向から上記係止部本体１９に向って接近、離反自在とさ
れている。上記係止フック２５における上記係止部本体
１９がわの一端部２８は矢先形状とされ、この一端部２
８の前面２８ａは上記係止部本体１９に向うに従い後方
に向う被案内面である傾斜面とされている。上記係止部
本体１９の近傍にまで上記係止フック２５の一端部２８
が接近したとき、上記係止部本体１９の前端部と、上記
係止フック２５の一端部２８の前面２８ａとの間に前方
に向って拡開する縦長のＶ字形状の導入溝２９が形成さ
れる。また、上記係止部本体１９に向って上記係止フッ
ク２５の一端部２８が接近するよう付勢するばね３０が
設けられている。The locking hook 25 is slidably movable toward and away from the locking portion main body 19 in the vehicle width direction. One end 28 of the engaging portion main body 19 of the engaging hook 25 has an arrowhead shape.
The front surface 28a of 8 is an inclined surface that is a guided surface that faces rearward as it faces the locking portion main body 19. The one end 28 of the locking hook 25 is extended to the vicinity of the locking portion main body 19.
Is formed, a vertically elongated V-shaped introduction groove 29 is formed between the front end portion of the locking portion main body 19 and the front surface 28a of the one end portion 28 of the locking hook 25 and extends toward the front. To be done. Further, a spring 30 for urging the one end 28 of the locking hook 25 toward the locking portion main body 19 is provided.
【００２３】上記の場合、係止部主部１６を全体的にそ
の外方から覆う樹脂製のカバー体３１が設けられ、この
カバー体３１の前面には、上記導入溝２９を前方に向っ
て開放させる縦長の開口３２が形成されている。上記カ
バー体３１により、上記係止部１３の構造の細部が外観
上容易に見えることは防止されて、上記係止部１３の見
栄えが向上させられている。また、上記ブラケット２
２、ガイド体２３、係止フック２５の他端部側、および
ばね３０は上記シートバック６の内部に配設されて、こ
れらが外観上見えることは防止されている。In the above case, a resin cover body 31 is provided which covers the engaging portion main portion 16 entirely from the outside, and the introduction groove 29 is provided on the front surface of the cover body 31 so as to face forward. A vertically elongated opening 32 for opening is formed. The cover body 31 prevents the details of the structure of the locking portion 13 from being easily seen from the outside, so that the appearance of the locking portion 13 is improved. Also, the bracket 2
2, the guide body 23, the other end side of the locking hook 25, and the spring 30 are provided inside the seat back 6 to prevent them from being visually visible.
【００２４】前記被係止部１４は、樹脂製部材と、これ
に埋入された補強用の板金製部材とで構成され、上下一
対の締結具３６，３６によって、補助シート３のシート
バック６のシートフレーム７に着脱自在に固着されてい
る。The locked portion 14 is composed of a resin member and a reinforcing sheet metal member embedded therein, and the seat back 6 of the auxiliary seat 3 is fixed by a pair of upper and lower fasteners 36, 36. The seat frame 7 is detachably fixed.
【００２５】 上記被係止部１４の後面には、その車幅
方向での中途部、かつ、上下方向での中途部に上記係止
部本体１９を嵌脱自在に嵌入させる縦長の有底の嵌入孔
３７が形成されている。この嵌入孔３７よりも上記固定
側部材１０がわに位置する上記被係止部１４の側部が縦
長の被係止部本体３８とされ、その平面視の断面は後方
に向って突出しその突出方向に向うに従い車幅方向の幅
寸法が漸減する矢先形状とされ、また、この被係止部本
体３８の基部には車幅方向に貫通して上記係止フック２
５の一端部２８を嵌脱自在とさせる係止孔３９が形成さ
れている。On the rear surface of the locked portion 14, there is a vertically long bottomed member which allows the locking portion main body 19 to be removably fitted into the vehicle width direction middle portion and the vertical direction middle portion. A fitting hole 37 is formed. A side portion of the locked portion 14 where the fixed side member 10 is located on the side of the fitting hole 37 is a vertically long locked portion main body 38, and a cross section of the plan view thereof is projected rearward and projected. The width of the vehicle body in the vehicle width direction gradually decreases as it goes in the direction of the arrow, and the locking hook 2 extends through the base of the locked portion main body 38 in the vehicle width direction.
A locking hole 39 is formed so that the one end portion 28 of 5 can be fitted and removed freely.
【００２６】上記補助シート３のシートバック６が起立
姿勢である場合には(図１，３〜５)、上記被係止部本体
３８は上記開口３２を通り上記係止部主部１６の内部に
嵌脱自在に嵌入させられ、かつ、上記嵌入孔３７が上記
係止部本体１９に嵌合しており、上記係止部本体１９と
被係止部本体３８の車幅方向での互いの対向面１９ａ，
３８ａは互いに面接触により圧接させられている。ま
た、上記被係止部本体３８の係止孔３９に前記した係止
フック２５の一端部２８が嵌脱自在に嵌入させられ、こ
れにより、上記係止部１３に被係止部１４が係止された
状態とされ、もって、上記補助シート３のシートバック
６が上記固定側部材１０に支持されて、上記起立姿勢に
保持される。When the seat back 6 of the auxiliary seat 3 is in the upright posture (FIGS. 1, 3 to 5), the locked portion main body 38 passes through the opening 32 and the inside of the locked portion main portion 16 is reached. The fitting hole 37 is fitted into the locking portion main body 19, and the locking portion main body 19 and the locked portion main body 38 are fitted to each other in the vehicle width direction. The facing surface 19a,
38a are pressed against each other by surface contact. Further, the one end 28 of the locking hook 25 is removably fitted into the locking hole 39 of the locked portion main body 38, whereby the locked portion 14 is engaged with the locking portion 13. In the stopped state, the seat back 6 of the auxiliary seat 3 is supported by the fixed member 10 and held in the standing posture.
【００２７】上記被係止部本体３８の左右両側面のう
ち、上記対向面３８ａとは反対側の固定側部材１０がわ
の面は、上記被係止部本体３８の突出方向(後方)に向う
に従い上記固定側部材１０から離れる方向に傾斜するガ
イド面３８ｂとされている。Of the left and right side surfaces of the locked portion main body 38, the surface of the fixed side member 10 opposite to the facing surface 38a is in the protruding direction (rearward) of the locked portion main body 38. The guide surface 38b is inclined in a direction away from the fixed-side member 10 as it faces.
【００２８】上記シートバック６がその起立姿勢の前方
から(図２)、復回動Ｂしてこのシートバック６と共に回
動する上記被係止部１４が係止部１３に係止させられよ
うとするときには、まず、上記被係止部１４の被係止部
本体３８は、開口３２を通って導入溝２９に嵌入させら
れ、これと同時に、上記被係止部１４の嵌入孔３７が係
止部１３の係止部本体１９と嵌合する。更に、上記シー
トバック６が復回動Ｂすると、上記被係止部本体３８の
ガイド面３８ｂが上記係止フック２５の一端部２８の前
面２８ａを摺動して、この係止フック２５をばね３０に
抗して上記係止部本体１９から離反させ、次いで、上記
被係止部本体３８が上記係止部主部１６内に嵌入させら
れ、これと同時に、上記嵌入孔３７と上記係止部本体１
９との嵌合も進行する。From the front of the seat back 6 in its upright posture (FIG. 2), the locked portion 14 which rotates back together with the seat back 6 to rotate is locked by the locking portion 13. In this case, first, the locked portion main body 38 of the locked portion 14 is fitted into the introduction groove 29 through the opening 32, and at the same time, the fitting hole 37 of the locked portion 14 is engaged. It is fitted with the locking portion main body 19 of the stopper 13. Further, when the seat back 6 is rotated back B, the guide surface 38b of the locked portion main body 38 slides on the front surface 28a of the one end 28 of the locking hook 25, and the locking hook 25 is spring-loaded. It is moved away from the locking portion main body 19 against 30 and then the locked portion main body 38 is fitted into the locking portion main portion 16, and at the same time, the fitting hole 37 and the locking Department body 1
The mating with 9 also progresses.
【００２９】更に、上記シートバック６が復回動Ｂして
起立姿勢になると、上記被係止部本体３８の係止孔３９
に、上記係止フック２５の一端部２８がばね３０の付勢
力により自動的に嵌合させられ、もって、上記係止部１
３に対する被係止部１４の係止が完了する。Further, when the seat back 6 is rotated back B to the upright posture, the locking hole 39 of the locked portion main body 38 is formed.
Then, the one end portion 28 of the locking hook 25 is automatically fitted by the urging force of the spring 30, and thus the locking portion 1
Locking of the locked portion 14 with respect to 3 is completed.
【００３０】図１〜３，６において、上記係止部１３に
対する被係止部１４の係止状態を、外部からの操作力を
受けて解除可能とさせる係止解除手段４６が設けられて
いる。この係止解除手段４６は、前記ブラケット２２に
回動自在に枢支されるベルクランク４７と、このベルク
ランク４７側から上記固定側部材であるシート２のシー
トバック６の頂部を通りその外方に連通させる連通孔４
８と、この連通孔４８に挿通させられるベルトである操
作部４９とを備え、上記ベルクランク４７の一端部に上
記係止フック２５の他端部が連動連結され、上記ベルク
ランク４７の他端部に上記操作部４９の下端部が連結さ
れ、この操作部４９の上端部は上記シートバック６の上
方に突出して把持可能とされている。1 to 3 and 6, a lock releasing means 46 is provided which can release the locked state of the locked portion 14 with respect to the locking portion 13 by receiving an operating force from the outside. . The unlocking means 46 passes through the bell crank 47 pivotally supported by the bracket 22 and the bell crank 47 side from the bell crank 47 side to the top of the seat back 6 of the seat 2 which is the fixed side member, and the outside thereof. Communication hole 4 to communicate with
8 and an operating portion 49, which is a belt inserted through the communication hole 48, one end of the bell crank 47 is linked with the other end of the locking hook 25, and the other end of the bell crank 47 is provided. A lower end portion of the operation portion 49 is connected to the portion, and an upper end portion of the operation portion 49 projects above the seat back 6 and can be gripped.
【００３１】そして、上記操作部４９を把持して上方に
引張すれば、これに上記ベルクランク４７を介して係止
フック２５が連動し、この係止フック２５は上記係止部
本体１９から離反して上記係止孔３９から離脱させら
れ、上記係止が解除される（図３中一点鎖線、図６中実
線、二点鎖線）。When the operating portion 49 is grasped and pulled upward, the locking hook 25 is interlocked with the operating portion 49 via the bell crank 47, and the locking hook 25 is separated from the locking portion main body 19. Then, it is disengaged from the locking hole 39 and the locking is released (one-dot chain line in FIG. 3, solid line, two-dot chain line in FIG. 6).
【００３２】そして、上記係止解除の状態にすれば、上
記シートバック６は、その起立姿勢(図６中実線、二点
鎖線)から、往回動Ａ可能とされる（図６中一点鎖
線）。When in the unlocked state, the seat back 6 can be moved forward A from its standing posture (solid line, two-dot chain line in FIG. 6) (one-dot chain line in FIG. 6). ).
【００３３】図１において、前記したように係止部１３
に対する被係止部１４の係止状態では、係止部本体１９
と被係止部本体３８の各対向面１９ａ，３８ａは互いに
圧接しており、このため、自動車の走行中など、上記固
定側部材１０に対しシート１の補助シート３のシートバ
ック６が車幅方向に振動しようとしても、これらの車幅
方向での相対移動が確実に防止される。In FIG. 1, as described above, the engaging portion 13
In the locked state of the locked portion 14 with respect to the locking portion main body 19
The opposed surfaces 19a, 38a of the locked portion main body 38 are in pressure contact with each other, so that the seat back 6 of the auxiliary seat 3 of the seat 1 is in the vehicle width with respect to the fixed side member 10 while the vehicle is running. Even if an attempt is made to vibrate in this direction, relative movement in the vehicle width direction is reliably prevented.
【００３４】よって、シートバック６を固定側部材１０
に対し係止させたとき、これら両者６,１０の間にがた
つきが生じることが防止される。Therefore, the seat back 6 is fixed to the fixed side member 10.
When they are engaged with each other, rattling between these two members 6 and 10 is prevented.
【００３５】また、上記したように係止部１３に被係止
部１４が係脱されるとき、上記各対向面１９ａ，３８ａ
は互いに摺動と圧接を繰り返すことから、これら各対向
面１９ａ，３８ａには表面傷が生じることがあり、ま
た、これを防止するためにグリースを塗布することがあ
る。Further, when the locked portion 14 is engaged with and disengaged from the locking portion 13 as described above, the facing surfaces 19a, 38a are formed.
Since the sliding and pressure contact with each other are repeated, surface damage may occur on the facing surfaces 19a and 38a, and grease may be applied to prevent this.
【００３６】しかし、上記係止部本体１９の対向面１９
ａは固定側部材１０に対面しており、一方、被係止部本
体３８の対向面３８ａは嵌入孔３７の内部に位置してお
り、このため、いずれの対向面１９ａ，３８ａも外観上
容易に見えることは抑制される。よって、上記各対向面
１９ａ，３８ａにおける表面傷やグリースが容易に見え
ることが防止されて、上記シート１の見栄えが向上す
る。However, the facing surface 19 of the locking body 19 is
a faces the fixed-side member 10, while the facing surface 38a of the locked portion main body 38 is located inside the fitting hole 37. Therefore, both facing surfaces 19a and 38a are easy in appearance. What you see is suppressed. Therefore, surface scratches and grease on the facing surfaces 19a and 38a are prevented from being easily seen, and the appearance of the sheet 1 is improved.
【００３７】図１において、上記係止部本体１９の対向
面１９ａは、上記被係止部本体３８の突出方向(後方)に
向うに従い車幅方向でこの被係止部本体３８に向うよう
傾斜させられ、また、上記被係止部本体３８の対向面３
８ａは、上記係止部本体１９の突出方向(前方)に向うに
従い車幅方向で上記係止部本体１９に向うよう傾斜させ
られている。In FIG. 1, the facing surface 19a of the locking portion main body 19 is inclined so as to face the locked portion main body 38 in the vehicle width direction as it extends in the protruding direction (rearward) of the locked portion main body 38. And the facing surface 3 of the locked portion main body 38.
8a is inclined so as to face the locking portion body 19 in the vehicle width direction as it extends in the protruding direction (forward) of the locking portion body 19.
【００３８】このため、上記シートバック６の復回動Ｂ
に伴い係止部本体１９と被係止部本体３８とが前後方向
で互いに接近して、これらが係止状態になるとき、上記
両対向面１９ａ，３８ａが上記したように傾斜させられ
た分、互いの圧接がより確実に行われることとなり、よ
って、上記シートバック６と固定側部材１０との間にが
たつきが生じることがより確実に防止される。Therefore, the backward rotation B of the seat back 6 is performed.
Accordingly, when the locking portion main body 19 and the locked portion main body 38 come close to each other in the front-rear direction and are brought into the locked state, the both facing surfaces 19a, 38a are inclined as described above. The pressure contact between the seat back 6 and the fixed-side member 10 is more reliably prevented.
【００３９】また、上記係止部１３に被係止部１４が係
止させられたとき、上記係止フック２５の一部４２が上
記ばね３０付勢力で上記被係止部本体３８に圧接させら
れ、この被係止部本体３８が上記係止部本体１９に向う
よう付勢されるようになっている。When the locked portion 14 is locked to the locking portion 13, a part 42 of the locking hook 25 is pressed against the locked portion main body 38 by the urging force of the spring 30. The engaged portion main body 38 is biased toward the engaging portion main body 19.
【００４０】このため、上記被係止部本体３８は上記係
止部本体１９と係止フック２５とにより楔状に左右から
弾性的に挟み付けられることとなり、よって、上記シー
トバック６と固定側部材１０との間にがたつきが生じる
ことは、更に確実に防止される。Therefore, the locked portion main body 38 is elastically sandwiched between the locking portion main body 19 and the locking hook 25 in a wedge shape from the left and right, and therefore, the seat back 6 and the fixed member. The rattling with 10 is more reliably prevented.
【００４１】また、上記係止部主部１６の内部にはゴム
製の弾性体４４が取り付けられており、上記係止部１３
に被係止部１４が係止されたとき、上記被係止部本体３
８の後端(突出端)が、上記係止部主部１６の基部１８に
上記弾性体４４を介して圧接させられるようになってい
る。An elastic body 44 made of rubber is attached to the inside of the locking portion main portion 16, and the locking portion 13 is provided.
When the locked portion 14 is locked to the locked portion main body 3
The rear end (protruding end) 8 is brought into pressure contact with the base portion 18 of the locking portion main portion 16 via the elastic body 44.
【００４２】このため、上記シートバック６と固定側部
材１０との間に、前後方向におけるがたつきの生じるこ
とも防止される。Therefore, rattling in the front-rear direction is prevented from occurring between the seat back 6 and the fixed member 10.
【００４３】なお、以上は図示の例によるが、自動車の
前後方向でシートクッション５の後端部がわにシートバ
ック６を枢支させるという点を除いて、上記した一方向
を後方として、前記説明中、“前”を“後”に読み替え
てもよい。この場合、上記シートバック６をその起立姿
勢から自動車の後方に向って回動させると、上記シート
クッション５とシートバック６が前後に並設されて、そ
の各上面がほぼ面一の平坦面にできることとされ、これ
はベッドなどに利用可能とされる。Although the above is based on the illustrated example, except that the rear end portion of the seat cushion 5 pivotally supports the crocodile seatback 6 in the front-rear direction of the vehicle, the above-described one direction is defined as the rear direction. In the description, “before” may be read as “after”. In this case, when the seat back 6 is rotated from its upright position toward the rear of the vehicle, the seat cushion 5 and the seat back 6 are juxtaposed in the front-rear direction, and the upper surfaces of the seat cushion 5 and the seat back 6 are substantially flush with each other. It is supposed to be possible, and this can be used for beds.
【００４４】また、上記固定側部材１０は車室の側面を
形成する車体の側壁であってもよい。また、上記シート
１はフロントシートであってもよい。Further, the fixed member 10 may be a side wall of the vehicle body forming a side surface of the passenger compartment. Further, the seat 1 may be a front seat.
【００４５】[0045]
【発明の効果】本発明による効果は、次の如くである。The effects of the present invention are as follows.
【００４６】請求項１の発明は、シートが起立姿勢とさ
れるシートバックを備え、このシートバックが前後いず
れか一方向に向って往復回動自在となるようその下端部
をシートクッションがわに枢支させ、上記シートバック
の一側部に対し車幅方向で隣接する車体の固定側部材の
表面に係止部を突設し、上記シートバックが復回動して
上記起立姿勢に戻るとき上記係止部に係止される被係止
部を上記シートバックの一側部に取り付けた自動車用シ
ートにおいて、According to the first aspect of the present invention, a seat back is provided in which the seat is in an upright posture, and a seat cushion is formed at its lower end so that the seat back can be reciprocally rotated in one of the front and rear directions. When the seatback is pivotally supported and a locking portion is projected on the surface of a fixed side member of the vehicle body that is adjacent to one side portion of the seatback in the vehicle width direction, and the seatback returns to the upright posture by returning. In a vehicle seat in which a locked portion locked to the locking portion is attached to one side of the seat back,
【００４７】 上記係止部が、上記固定側部材の表面か
ら外方に突出する基部と、この基部から上記一方向に向
って突出する縦長の係止部本体とを備え、上記一方向と
は反対方向での上記被係止部の端面における車幅方向で
の中途部、かつ、上下方向での中途部に上記係止部本体
を嵌脱自在に嵌入させる嵌入孔を形成し、この嵌入孔よ
りも上記固定側部材がわに位置する上記被係止部の側部
を縦長の被係止部本体とし、上記係止部本体と被係止部
本体の車幅方向での互いの対向面を互いに圧接させてあ
る。The locking portion includes a base portion that projects outward from the surface of the fixed-side member, and a vertically long locking portion main body that projects from the base portion in the one direction. A fitting hole is formed at a middle portion in the vehicle width direction on the end face of the locked portion in the opposite direction and in the middle portion in the vertical direction so that the locking portion main body can be removably fitted into the fitting hole. The side portion of the locked portion where the fixed side member is located more than the fixed side member is a vertically long locked portion main body, and the locking portion main body and the locked portion main body face each other in the vehicle width direction. Are pressed against each other.
【００４８】このため、自動車の走行中など、上記固定
側部材に対しシートのシートバックが車幅方向に振動し
ようとしても、これらの車幅方向での相対移動が確実に
防止される。Therefore, even if the seat back of the seat vibrates in the vehicle width direction with respect to the fixed member while the vehicle is running, the relative movement in the vehicle width direction is reliably prevented.
【００４９】よって、シートバックを固定側部材に対し
係止させたとき、これら両者の間にがたつきが生じるこ
とが防止される。Therefore, when the seat back is locked to the fixed member, rattling between them is prevented.
【００５０】また、上記したように係止部に被係止部が
係脱されるとき、上記各対向面は互いに摺動と圧接を繰
り返すことからこれら各対向面には表面傷が生じること
があり、また、これを防止するためにグリースを塗布す
ることがある。Further, as described above, when the locked portion is engaged with and disengaged from the locking portion, the opposed surfaces repeat sliding and pressure contact with each other, so that surface damage may occur on the opposed surfaces. Yes, and grease may be applied to prevent this.
【００５１】しかし、上記係止部本体の対向面は固定側
部材に対面しており、一方、被係止部本体の対向面は嵌
入孔の内部に位置しており、このため、いずれの対向面
も外観上容易に見えることは抑制される。よって、上記
各対向面における表面傷やグリースが容易に見えること
が防止されて、上記シートの見栄えが向上することとな
る。However, the facing surface of the locking portion main body faces the fixed member, while the facing surface of the locked portion main body is located inside the fitting hole. It is also possible to prevent the surface from being easily visible in appearance. Therefore, it is possible to prevent the surface scratches and the grease on the facing surfaces from being easily seen, and to improve the appearance of the sheet.
【００５２】 請求項２の発明は、上記反対方向に向っ
ての上記被係止部本体の端を、上記係止部の基部に弾性
体を介して圧接させてある。According to a second aspect of the present invention, the end of the locked portion main body in the opposite direction is pressed against the base portion of the locking portion via an elastic body.
【００５３】このため、上記シートバックと固定側部材
との間に、前後方向におけるがたつきの生じることも防
止される。Therefore, it is possible to prevent rattling in the front-rear direction between the seat back and the fixed member.
【図１】図３の１‐１線矢視断面図である。FIG. 1 is a sectional view taken along the line 1-1 of FIG.
【図２】シートの斜視図である。FIG. 2 is a perspective view of a seat.
【図３】係止装置を後方から見た図である。FIG. 3 is a rear view of the locking device.
【図４】図１の４‐４線矢視断面図である。FIG. 4 is a sectional view taken along the line 4-4 of FIG.
【図５】図１の５‐５線矢視断面図である。5 is a sectional view taken along line 5-5 of FIG.
【図６】図１に相当する作用説明図である。FIG. 6 is an explanatory view of the operation corresponding to FIG.
１ シート ２ 主シート ３ 補助シート ５ シートクッション ６ シートバック ７ シートフレーム ８ 枢支手段 ９ 一側部 １０ 固定側部材 １１ 係止装置 １３ 係止部 １４ 被係止部 １６ 係止部主部 １７ 対向片 １８ 基部 １９ 係止部本体 １９ａ 対向面 ３７ 嵌入孔 ３８ 被係止部本体 ３８ａ 対向面 ３８ｂ ガイド面 ３９ 係止孔 ４２ 一部 ４４ 弾性体 ４６ 係止解除手段 Ａ 往回動 Ｂ 復回動 1 sheet 2 main seats 3 auxiliary sheets 5 seat cushion 6 seat back 7 seat frame 8 pivotal means 9 one side 10 Fixed member 11 Locking device 13 Locking part 14 Locked part 16 Main part of locking part 17 Opposing piece 18 base 19 Locking body 19a facing surface 37 Fitting hole 38 Locked part body 38a Opposing surface 38b Guide surface 39 Locking hole 42 part 44 Elastic body 46 Unlocking means A forward rotation B Return rotation
Claims (2)
バック（６）を備え、このシートバック（６）が前後い
ずれか一方向に向って往復回動（Ａ，Ｂ）自在となるよ
うその下端部をシートクッション（５）がわに枢支さ
せ、上記シートバック（６）の一側部（９）に対し車幅
方向で隣接する車体の固定側部材（１０）の表面に係止
部（１３）を突設し、上記シートバック（６）が復回動
（Ｂ）して上記起立姿勢に戻るとき上記係止部（１３）
に係止される被係止部（１４）を上記シートバック
（６）の一側部（９）に取り付けた自動車用シートにお
いて、 上記係止部（１３）が、上記固定側部材（１０）の表面
から外方に突出する基部（１８）と、この基部（１８）
から上記一方向に向って突出する縦長の係止部本体（１
９）とを備え、上記一方向とは反対方向での上記被係止
部（１４）の端面における車幅方向での中途部、かつ、
上下方向での中途部に上記係止部本体（１９）を嵌脱自
在に嵌入させる嵌入孔（３７）を形成し、この嵌入孔
（３７）よりも上記固定側部材（１０）がわに位置する
上記被係止部（１４）の側部を縦長の被係止部本体（３
８）とし、上記係止部本体（１９）と被係止部本体（３
８）の車幅方向での互いの対向面（１９ａ，３８ａ）を
互いに圧接させた自動車用シートのシートバック係止装
置。1. A seat back (6) in which the seat (1) is in an upright posture, and the seat back (6) can be reciprocally rotated (A, B) in one of the front and rear directions. A seat cushion (5) is pivotally supported by the seat cushion (5), and the seat cushion (5) is locked to the surface of a fixed member (10) of the vehicle body which is adjacent to one side (9) of the seat back (6) in the vehicle width direction. When the seat portion (13) is provided so as to project and the seat back (6) rotates back (B) to return to the standing posture, the locking portion (13)
In a vehicle seat in which a locked portion (14) locked to a seatback (6) is attached to one side portion (9) of the seatback (6), the locking portion (13) includes the fixed-side member (10). A base (18) protruding outward from the surface of the base and the base (18)
From the vertically long locking body (1
9), and a midway portion in the vehicle width direction on the end surface of the locked portion (14) in the direction opposite to the one direction, and
A fitting hole (37) into which the locking body (19) is removably fitted is formed at a midway portion in the up-down direction, and the fixed-side member (10) is located at the brow than the fitting hole (37). The side portion of the locked portion (14) is a vertically long locked portion main body (3
8), the locking portion main body (19) and the locked portion main body (3)
8) A seat back locking device for an automobile seat, in which mutually opposing surfaces (19a, 38a) in the vehicle width direction are brought into pressure contact with each other.
体（３８）の端を、上記係止部（１３）の基部（１８）
に弾性体（４４）を介して圧接させた請求項１に記載の
自動車用シートのシートバック係止装置。2. An end of the locked portion main body (38) facing the opposite direction is provided with a base portion (18) of the locking portion (13).
The seat back locking device according to claim 1, wherein the seat back locking device is brought into pressure contact with the elastic member via an elastic body (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35363598A JP3497750B2 (en) | 1998-12-11 | 1998-12-11 | Seat back locking device for automotive seats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35363598A JP3497750B2 (en) | 1998-12-11 | 1998-12-11 | Seat back locking device for automotive seats |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000177450A JP2000177450A (en) | 2000-06-27 |
| JP3497750B2 true JP3497750B2 (en) | 2004-02-16 |
Family
ID=18432185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35363598A Expired - Fee Related JP3497750B2 (en) | 1998-12-11 | 1998-12-11 | Seat back locking device for automotive seats |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3497750B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4595859B2 (en) * | 2006-03-27 | 2010-12-08 | トヨタ紡織株式会社 | Seat back lock device for vehicle seat |
| JP2011046241A (en) * | 2009-08-25 | 2011-03-10 | Kanto Auto Works Ltd | Seat unit for vehicle |
-
1998
- 1998-12-11 JP JP35363598A patent/JP3497750B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000177450A (en) | 2000-06-27 |
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