JPH11216037A - Seat frame - Google Patents
Seat frameInfo
- Publication number
- JPH11216037A JPH11216037A JP2331198A JP2331198A JPH11216037A JP H11216037 A JPH11216037 A JP H11216037A JP 2331198 A JP2331198 A JP 2331198A JP 2331198 A JP2331198 A JP 2331198A JP H11216037 A JPH11216037 A JP H11216037A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- frame members
- members
- seat
- welding
- 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
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract 8
- 238000010168 coupling process Methods 0.000 abstract 8
- 238000005859 coupling reaction Methods 0.000 abstract 8
- 210000000078 claw Anatomy 0.000 description 19
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005304 joining Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000010959 steel Substances 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
- B60N2/68—Seat frames
- B60N2/682—Joining means
-
- 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
- B60N2/68—Seat frames
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、シートフレームに
関する。[0001] The present invention relates to a seat frame.
【0002】[0002]
【従来の技術】従来の車両用シートバックフレームの一
例を図を参照して説明する。図8に示すシートバックフ
レーム50は、アッパーフレーム51、左右のサイドフ
レーム52,53及びロアーフレーム54を略方形に枠
組みして接合したものである。アッパーフレーム51に
はヘッドレストブラケット55が取付けられ、サイドフ
レーム52,53には、溶接ナット56aを有する補強
プレート56、吊りワイヤー57a,57b、図示省略
のブラケット類などが取付けられている。上記のシート
バックフレーム50の製造工程の一例を説明すると、図
9に示すように、先ず、炭素鋼鋼管Pをパイプベンダー
にて曲げ加工してアッパーフレーム中間体51’を成形
し、さらに、アッパーフレーム中間体51’の二箇所を
偏平につぶしてヘッドレストブラケット取付座51aを
有するアッパーフレーム51を形成する。また、図10
参照、図示形状にプレス加工した左右一対のサイドフレ
ーム52,53と、ロアーフレーム54と、補強プレー
ト56、溶接ナット56aを用意し、これらを図11に
示す形状に保持して溶接する。この溶接工程では、アッ
パーフレーム51とサイドフレーム52,53、サイド
フレーム52,53とロアーフレーム54をそれぞれ所
定の治具でクランプしつつ溶接して方形枠状に形成する
とともに、ヘッドレストブラケット取付座51aにヘッ
ドレストブラケット55を溶接にて取付ける。その後、
吊りワイヤー57を溶接して図8に示したシートバック
フレーム50が完成する。2. Description of the Related Art An example of a conventional vehicle seat back frame will be described with reference to the drawings. The seat back frame 50 shown in FIG. 8 is formed by joining an upper frame 51, left and right side frames 52, 53, and a lower frame 54 in a substantially rectangular frame. A headrest bracket 55 is attached to the upper frame 51, and a reinforcing plate 56 having a welding nut 56a, suspension wires 57a and 57b, brackets (not shown), and the like are attached to the side frames 52 and 53. An example of the manufacturing process of the seat back frame 50 will be described. As shown in FIG. 9, first, a carbon steel pipe P is bent by a pipe bender to form an upper frame intermediate body 51 ′. The two portions of the frame intermediate body 51 'are flattened to form the upper frame 51 having the headrest bracket mounting seat 51a. FIG.
For reference, a pair of left and right side frames 52 and 53, a lower frame 54, a reinforcing plate 56, and a welding nut 56a, which are pressed into the illustrated shapes, are prepared, and are welded while holding them in the shape shown in FIG. In this welding step, the upper frame 51 and the side frames 52 and 53, and the side frames 52 and 53 and the lower frame 54 are each formed into a rectangular frame by being clamped and clamped by a predetermined jig, and the headrest bracket mounting seat 51a is formed. , The headrest bracket 55 is attached by welding. afterwards,
The suspension wire 57 is welded to complete the seat back frame 50 shown in FIG.
【0003】[0003]
【発明が解決しようとする課題】上記のシートバックフ
レームの溶接工程においては、専用治具にて各部材の位
置決めをして寸法精度を確保しながらCO2 溶接又はス
ポット溶接をするのが一般的である。その際、シートバ
ックフレーム50の形状を正確に出すために、例えば、
アッパーフレーム51に対するサイドフレーム52,
53の位置と取付角R(図12参照)、ロアーフレー
ム54でつないだ左右のサイドフレーム52,53の全
幅寸法W(図13参照)、アッパーフレーム51に対
するヘッドレストブラケット55の取付ピッチ及び取付
角Q(図14参照)などの精度管理が要求される。した
がって、接合部の精度を確保するために、把持機構に大
型のエアシリンダを使用するなど専用治具が大型化し、
費用が高くついていた。また、アッパーフレーム51を
パイプ構造としているためパイプ加工の設備を必要と
し、特に少量生産の場合にコスト面の負担が大きいもの
となっていた。In the above-mentioned welding process of the seat back frame, it is general to perform CO 2 welding or spot welding while securing the dimensional accuracy by positioning each member with a dedicated jig. It is. At that time, in order to accurately obtain the shape of the seat back frame 50, for example,
A side frame 52 for the upper frame 51,
The position 53 and the mounting angle R (see FIG. 12), the total width W of the left and right side frames 52 and 53 connected by the lower frame 54 (see FIG. 13), the mounting pitch and the mounting angle Q of the headrest bracket 55 with respect to the upper frame 51. (See FIG. 14). Therefore, in order to ensure the accuracy of the joint, the dedicated jig becomes larger, such as using a large air cylinder for the gripping mechanism.
The cost was high. In addition, since the upper frame 51 has a pipe structure, equipment for pipe processing is required, and the cost burden is large especially in the case of small-scale production.
【0004】本発明は、上記の事情に鑑みてなされたも
ので、シートフレームを構成する縦横の枠材(アッパー
フレーム51とサイドフレーム52,53)を簡単かつ
精度良く略方形に枠組みできるようにしてシートフレー
ムの製造コストの逓減を図ることを目的とする。The present invention has been made in view of the above circumstances, and has been made to enable the vertical and horizontal frame members (upper frame 51 and side frames 52, 53) constituting a seat frame to be easily and accurately framed into a substantially rectangular shape. To reduce the manufacturing cost of the seat frame.
【0005】[0005]
【課題を解決するための手段】このために、以下のよう
なシートフレームを創作した。すなわち、第1の発明
は、略水平に配置する二本の横枠材とその横枠材の端部
をつなぐ左右二本の縦枠材が略方形に枠組みされてなる
シートフレームであって、互いに隣接する前記枠材相互
に嵌合部が形成されており、それら互いに隣接する枠材
同士が前記嵌合部を嵌合させた状態で溶接されているこ
とを特徴とする。For this purpose, the following seat frame was created. That is, the first invention is a seat frame in which two horizontal frame members arranged substantially horizontally and two left and right vertical frame members connecting ends of the horizontal frame members are framed in a substantially rectangular shape, A fitting portion is formed between the adjacent frame members, and the mutually adjacent frame members are welded to each other with the fitting portions fitted.
【0006】上記構造のシートフレームは、縦横の枠材
を嵌合部で接合させることによって正確な形状に枠組み
することができる。したがって、溶接時の位置決め治具
が簡素化でき、寸法精度を確保し易くなるとともに、接
合部の形状保持性が良いから溶接による歪みの影響も少
ない。嵌合部の例としては、隣接する枠材相互に、互い
にはめ込み可能な凹凸形状をプレス加工で成形し、枠材
の位置決めと保持ができるようにするのが良い。[0006] The seat frame having the above structure can be framed in an accurate shape by joining vertical and horizontal frame members at fitting portions. Therefore, the positioning jig at the time of welding can be simplified, dimensional accuracy can be easily secured, and the effect of distortion due to welding is small because the shape retention of the joint is good. As an example of the fitting portion, it is preferable that uneven shapes that can be fitted to each other are formed by press working between adjacent frame members so that the frame members can be positioned and held.
【0007】第2の発明は、前記シートフレーム構造に
おいて、前記二本の横枠材の中間に位置する中間補強材
が前記縦枠材に両端を支持されており、かつ、その中間
補強材と前記横枠材とにわたってヘッドレストサポート
取付部材が取付けられていることを特徴とする。According to a second aspect of the present invention, in the seat frame structure, both ends of the intermediate reinforcing member positioned between the two horizontal frame members are supported by the vertical frame member. A headrest support attachment member is attached to the horizontal frame member.
【0008】上記構造のシートフレームでは、ヘッドレ
ストサポート取付部材が強固に支持されるとともに、中
間補強材とヘッドレストサポート取付部材によってフレ
ームの剛性が増す。In the seat frame having the above structure, the headrest support mounting member is firmly supported, and the rigidity of the frame is increased by the intermediate reinforcing member and the headrest support mounting member.
【0009】[0009]
【発明の実施の形態】次に、本発明の実施形態を図1〜
図8に基づいて説明する。図1はシートバックフレーム
の斜視図であり、図2はシートバックフレームを組立前
の状態で示す分解斜視図である。両図に示すように、シ
ートバックフレーム1は、上枠材2、左側枠材3、右側
枠材4及び下枠材5を略方形に枠組みしたもので、さら
に、上補強材6とヘッドレストサポート取付部材7が取
付けられている。これらの枠材2〜5と上補強材6は、
予め鋼板を図示形状にプレス成形したものであり、上枠
材2には筒状のヘッドレストサポート取付部材7に連通
する貫通孔2aが形成されていて、左側枠材3と右側枠
材4には切り起こし片によりSばね取付部3a,4aが
形成されている。なお、上記の上枠材2と下枠材5が本
発明でいう横枠材であり、左側枠材3と右側枠材4が本
発明でいう縦枠材である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to FIGS.
A description will be given based on FIG. FIG. 1 is a perspective view of the seat back frame, and FIG. 2 is an exploded perspective view showing the seat back frame before assembly. As shown in both figures, the seat back frame 1 is formed by forming an upper frame member 2, a left frame member 3, a right frame member 4, and a lower frame member 5 into a substantially rectangular frame, and further includes an upper reinforcement member 6 and a headrest support. A mounting member 7 is mounted. These frame materials 2 to 5 and upper reinforcing material 6
A steel plate is press-formed in advance into the shape shown in the figure, and a through hole 2 a communicating with a cylindrical headrest support mounting member 7 is formed in the upper frame member 2. The S-spring mounting portions 3a and 4a are formed by the cut and raised pieces. The upper frame member 2 and the lower frame member 5 are the horizontal frame members according to the present invention, and the left frame member 3 and the right frame member 4 are the vertical frame members according to the present invention.
【0010】次に、上記の隣接する枠材同士を接合する
ための嵌合部(A,B,C)について説明する。図3は
上枠材2と左右の側枠材3,4を接合する嵌合部Aの説
明図である。図2及び図3に示すように、左右の側枠材
3,4の先端部は上枠材2の端部をがたつきなくはめる
ことができる略コ字状に形成されており、上枠材2の前
後両面に沿うように係合爪3b,4bが設けられる一
方、上枠材2の両端部には、係合爪3b,4bを挿し込
むことのできる係合部2bが設けられている。この係合
部2bは、上枠材2の切り込みを入れた部分を図3
(b)に示すように外側に膨らませるようにプレス成形
したものである。この場合は、図3(c)に示すよう
に、上枠材2に対し側枠材3,4をぴったり重ねること
で両者の位置関係が決まり、その後、係合部2bに挿し
込まれた係合爪3b,4bは溶接で固定される。なお、
係合爪3b,4bの形状はこのほか鉤形等の適宜な形状
にすることができる。Next, the fitting portions (A, B, C) for joining the adjacent frame members will be described. FIG. 3 is an explanatory diagram of a fitting portion A that joins the upper frame member 2 and the left and right side frame members 3 and 4. As shown in FIGS. 2 and 3, the distal ends of the left and right side frame members 3 and 4 are formed in a substantially U-shape so that the ends of the upper frame member 2 can be fitted without rattling. Engaging claws 3b, 4b are provided along the front and rear surfaces of the member 2, while engaging portions 2b into which the engaging claws 3b, 4b can be inserted are provided at both ends of the upper frame member 2. I have. The engaging portion 2b is formed by cutting the cut portion of the upper frame material 2 in FIG.
It is press-formed so as to expand outward as shown in FIG. In this case, as shown in FIG. 3 (c), the positional relationship between the side frame members 3 and 4 is determined by exactly overlapping the side frame members 3 and 4 with the upper frame member 2, and then the engaging member 2b is inserted into the engaging portion 2b. The dowels 3b, 4b are fixed by welding. In addition,
The shape of the engaging claws 3b, 4b can be any other suitable shape such as a hook shape.
【0011】図4は上枠材2と上補強材6を接合する嵌
合部Bの説明図である。図2及び図4に示すように、上
補強材6の両端部には係合爪6aが形成される一方、側
枠材3,4の上端部付近には、係合爪6aを挿し込むこ
とのできる上係合部3c,4cが設けられている。この
上係合部3c,4cは、側枠材3,4の上端部付に切り
込みを入れた部分を内側に凹ませるようにプレス成形し
て形成したものであり、上係合部3c,4cは係合爪6
aが挿し込まれることによって上補強材6を保持できる
ようになっている。そして、上係合部3c,4cに係合
爪6aを挿し込むときに、段付部6bが上係合部3c,
4cの縁部に当接して挿し込み方向の位置決めがなされ
る。図4(b)は側枠材3,4と上補強材6を接合した
状態を示し、上係合部3c,4cに挿し込まれている係
合爪6aは溶接で固定される。FIG. 4 is an explanatory view of a fitting portion B for joining the upper frame member 2 and the upper reinforcing member 6 together. As shown in FIGS. 2 and 4, the engaging claws 6 a are formed at both ends of the upper reinforcing member 6, and the engaging claws 6 a are inserted near the upper ends of the side frame members 3 and 4. Upper engaging portions 3c and 4c are provided. The upper engaging portions 3c, 4c are formed by press-forming so as to depress inwardly the portions of the side frame members 3, 4 with cuts at the upper ends thereof. Is the engagement claw 6
The upper reinforcing member 6 can be held by inserting a. When the engaging claw 6a is inserted into the upper engaging portions 3c, 4c, the stepped portion 6b is moved to the upper engaging portions 3c, 4c.
4c is positioned in the insertion direction by contacting the edge of 4c. FIG. 4B shows a state in which the side frame members 3, 4 and the upper reinforcing member 6 are joined, and the engaging claws 6a inserted into the upper engaging portions 3c, 4c are fixed by welding.
【0012】次に、嵌合部Cを説明する。図5(a)は
図2のY−Y線断面図であり、同図(b)は図1のX−
X線断面図である。図1、図2及び図5に示すように、
下枠材5の両端に係合爪5aが形成される一方、側枠材
3,4の下端部には下係合部3e,4eが設けられてい
る。この下係合部3e,4eは、断面コ字状に形成され
ている側枠材3,4に切り込みを入れ、その部分を内側
に凹ますようにプレス成形したものであり、係合爪5a
が挿し込まれることによって下枠材5を保持できるよう
になっている。この場合、下枠材5の折曲部5bが側枠
材3,4の縁部に当接して挿し込み方向の位置決めがな
される。図5(b)は下枠材5と側枠材3,4を接合し
た状態を示しており、下係合部3e,4eに挿し込まれ
た係合爪5aは溶接で固定される。Next, the fitting portion C will be described. FIG. 5A is a cross-sectional view taken along the line YY of FIG. 2, and FIG.
It is an X-ray sectional view. As shown in FIGS. 1, 2 and 5,
Engaging claws 5a are formed at both ends of the lower frame member 5, while lower engaging portions 3e and 4e are provided at lower ends of the side frame members 3 and 4, respectively. The lower engaging portions 3e and 4e are formed by making cuts in the side frame members 3 and 4 formed in a U-shaped cross section and press-forming such portions to be depressed inward.
Is inserted so that the lower frame member 5 can be held. In this case, the bent portion 5b of the lower frame member 5 comes into contact with the edges of the side frame members 3 and 4, and positioning in the insertion direction is performed. FIG. 5B shows a state in which the lower frame member 5 and the side frame members 3 and 4 are joined, and the engagement claws 5a inserted into the lower engagement portions 3e and 4e are fixed by welding.
【0013】次に、ヘッドレストサポート取付部材7に
ついて説明する。図1及び図2に示すように、ヘッドレ
ストサポート取付部材7は角筒の両端にフランジを有す
る形状とされていて、角筒の軸線が貫通孔2aの中心を
通る状態で上枠材2と上補強材6との間に配置されて溶
接付けされている。なお、ヘッドレストサポート取付部
材7は、角筒にフランジを有していない形状のもの、円
筒のものなどでも良い。この場合、ヘッドレストサポー
ト取付部材7は上枠材2と上補強材6とをつなぐ強度メ
ンバーを兼ねているので、シートバックフレーム1の剛
性を強めるとともに、ヘッドレストサポートを強固に支
持することができる。ところで、上述した各部の溶接
は、CO2 溶接によるすみ肉溶接や栓溶接、あるいは、
スポット溶接その他の溶接方法の中から適宜に選択して
適用するものとする。Next, the headrest support mounting member 7 will be described. As shown in FIGS. 1 and 2, the headrest support mounting member 7 has a shape having flanges at both ends of the rectangular tube, and the upper frame member 2 and the upper frame member 2 are arranged such that the axis of the rectangular tube passes through the center of the through hole 2 a. It is arranged between the reinforcing members 6 and welded. Note that the headrest support mounting member 7 may be a rectangular tube having no flange or a cylindrical member. In this case, since the headrest support attachment member 7 also serves as a strength member connecting the upper frame member 2 and the upper reinforcing member 6, the rigidity of the seat back frame 1 can be increased and the headrest support can be firmly supported. By the way, welding of each part described above is fillet welding or plug welding by CO 2 welding, or
It shall be appropriately selected and applied from spot welding and other welding methods.
【0014】以上説明したように、上記の構成のシート
バックフレーム1は、上下の枠材2,5と上補強材6と
左右の側枠材3,4とを枠組みするときに、嵌合部A,
B,Cにおいて、各係合部と係合爪を係合(嵌合)させ
ることによって比較的容易に正確な形状に枠組みするこ
とができる。したがって、各嵌合部A,B,Cを溶接す
る時の位置決め治具の簡素化を図ることができ、寸法精
度を確保し易くなるとともに、接合部の形状保持性が良
いから溶接による歪みの影響も少ない。As described above, the seat back frame 1 having the above-described structure is configured such that when the upper and lower frame members 2 and 5, the upper reinforcing member 6 and the left and right side frame members 3 and 4 are framed, the fitting portion is formed. A,
In B and C, an accurate shape can be relatively easily formed by engaging (fitting) each engaging portion with the engaging claw. Therefore, the positioning jig for welding the fitting portions A, B, and C can be simplified, and the dimensional accuracy can be easily ensured. Little effect.
【0015】また、異なる種類(寸法)のシートフレー
ム間で、部分的に構成部品(枠材)の共用化を図ること
ができるので、部品点数やプレス型の増加を最小限にす
るなどのコストダウンが可能になる。例えば、シートフ
レームの背を高くする場合、図6に示すように、上枠材
2とヘッドレストサポート取付部材7を、背の高い上枠
材2’とヘッドレストサポート取付部材7’に取り替え
るだけで、他の部品をそのまま流用してシートバックフ
レーム1より若干背の高いシートバックフレームを製造
することができる。また、シートフレームの幅を広げる
場合も同様に対処することができる。Further, since components (frame members) can be partially shared between seat frames of different types (dimensions), costs such as minimizing the number of parts and increasing the number of press dies are minimized. Down becomes possible. For example, when the height of the seat frame is raised, as shown in FIG. 6, the upper frame member 2 and the headrest support mounting member 7 are simply replaced with a tall upper frame member 2 'and a headrest support mounting member 7'. A seat back frame that is slightly taller than the seat back frame 1 can be manufactured by diverting other parts as they are. In addition, it is possible to cope with the case where the width of the seat frame is increased.
【0016】次に、嵌合部の別例について説明する。図
7は略直角に折れ曲がった部材をコーナー部で接合する
ようにした例である。一方の部材11には係合孔11
a,11bが形成されていて、他方の部材12にはその
係合孔11a,11bに挿し込むことのできる係合爪1
2a,12bが形成されている。そして、組み立て時に
は、係合爪12aを係合孔11aに挿し込んでからもう
一方の係合爪12bを係合孔11aに挿し込んで固定し
た後、溶接する。この例では、係合爪12a,12bが
図示形状に折り曲げて形成されており、両部材11,1
2が強固に係合できて外れ難い。Next, another example of the fitting portion will be described. FIG. 7 shows an example in which members bent at substantially right angles are joined at corners. One member 11 has an engagement hole 11
a and 11b are formed, and the other member 12 has an engagement claw 1 that can be inserted into the engagement holes 11a and 11b.
2a and 12b are formed. Then, at the time of assembly, the engaging claws 12a are inserted into the engaging holes 11a, the other engaging claws 12b are inserted into the engaging holes 11a, fixed, and then welded. In this example, the engaging claws 12a and 12b are formed by bending to the shape shown in the drawing.
2 can be firmly engaged and hardly come off.
【0017】[0017]
【発明の効果】以上説明したように、本発明に係るシー
トフレームでは、隣接する枠材相互を嵌合部で接合した
うえで溶接しているので、溶接時の位置決め治具が簡素
化でき、寸法精度を確保し易くなるとともに、接合部の
形状保持性が良いから溶接による歪みの影響も出難い。
したがって、加工費を削減してシートフレームを比較的
安価に製造することが可能になる。また、中間補強材と
上枠材にわたって取付けたヘッドレストサポート取付部
材はフレーム剛性を強めることができるともに、ヘッド
レストサポートを強固に支持することができる。As described above, in the seat frame according to the present invention, the adjacent frame members are joined to each other at the fitting portions and then welded, so that the positioning jig at the time of welding can be simplified. Dimensional accuracy can be easily ensured and the effect of distortion due to welding is hard to appear because the shape retention of the joint is good.
Therefore, it is possible to reduce the processing cost and manufacture the seat frame at a relatively low cost. Further, the headrest support attaching member attached over the intermediate reinforcing member and the upper frame member can increase the rigidity of the frame and can firmly support the headrest support.
【図1】実施形態に係るシートバックフレームの斜視図
である。FIG. 1 is a perspective view of a seat back frame according to an embodiment.
【図2】シートバックフレームの分解斜視図である。FIG. 2 is an exploded perspective view of a seat back frame.
【図3】上枠材と左右の側枠材を接合する嵌合部の説明
図である。FIG. 3 is an explanatory diagram of a fitting portion that joins an upper frame member and left and right side frame members.
【図4】上補強材と左右の側枠材を接合する嵌合部の説
明図である。FIG. 4 is an explanatory diagram of a fitting portion that joins an upper reinforcing member and left and right side frame members.
【図5】下枠材と左右の側枠材を接合する嵌合部の説明
図であり、(a)は図2のY−Y線断面図、(b)は図
1のX−X線断面図である。5A and 5B are explanatory views of a fitting portion for joining a lower frame member and left and right side frame members, wherein FIG. 5A is a cross-sectional view taken along line YY of FIG. 2 and FIG. It is sectional drawing.
【図6】上枠材とヘッドレストサポート取付部材の変更
例を説明する斜視図である。FIG. 6 is a perspective view illustrating a modification of the upper frame member and the headrest support attachment member.
【図7】嵌合部の別例を説明する図である。FIG. 7 is a diagram illustrating another example of a fitting portion.
【図8】従来例に係るシートバックフレームの斜視図で
ある。FIG. 8 is a perspective view of a seat back frame according to a conventional example.
【図9】アッパーフレームの加工工程を説明する図であ
る。FIG. 9 is a diagram illustrating a processing step of the upper frame.
【図10】サイドフレームを説明する斜視図である。FIG. 10 is a perspective view illustrating a side frame.
【図11】加工途中のシートバックフレームの斜視図で
ある。FIG. 11 is a perspective view of a seat back frame during processing.
【図12】図11のM−M線断面図である。FIG. 12 is a sectional view taken along line MM of FIG. 11;
【図13】図11の下面図であり、左半面を示す。FIG. 13 is a bottom view of FIG. 11, showing the left half surface.
【図14】図11のN−N線断面図である。FIG. 14 is a sectional view taken along line NN of FIG. 11;
1 シートフレーム 2 上枠材 2b 係合部 3 左側枠材 3b 係合爪 3c 上係合部 3e 下係合部 4 右側枠材 4b 係合爪 4c 上係合部 4e 下係合部 5 下枠材 5a 係合爪 6 上補強材 6a 係合爪 7 ヘッドレストサポート取付部材 A,B,C 嵌合部 DESCRIPTION OF SYMBOLS 1 Seat frame 2 Upper frame material 2b Engagement part 3 Left frame material 3b Engagement claw 3c Upper engagement part 3e Lower engagement part 4 Right frame material 4b Engagement claw 4c Upper engagement part 4e Lower engagement part 5 Lower frame Material 5a Engagement claw 6 Upper reinforcement 6a Engagement claw 7 Headrest support mounting member A, B, C Fitting part
Claims (2)
枠材の端部をつなぐ左右二本の縦枠材が略方形に枠組み
されてなるシートフレームであって、互いに隣接する前
記枠材相互に嵌合部が形成されており、それら互いに隣
接する枠材同士が前記嵌合部を嵌合させた状態で溶接さ
れているシートフレーム。1. A seat frame in which two horizontal frame members arranged substantially horizontally and two left and right vertical frame members connecting ends of the horizontal frame members are framed in a substantially rectangular shape, and are adjacent to each other. A seat frame in which a fitting portion is formed between the frame members, and the frame members adjacent to each other are welded with the fitting portions fitted together.
て、前記二本の横枠材の中間に位置する中間補強材が前
記縦枠材に両端を支持されており、かつ、その中間補強
材と前記横枠材とにわたってヘッドレストサポート取付
部材が取付けられているシートフレーム。2. The seat frame according to claim 1, wherein both ends of the intermediate reinforcing member located between the two horizontal frame members are supported by the vertical frame member. A seat frame on which a headrest support mounting member is mounted over a horizontal frame member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2331198A JPH11216037A (en) | 1998-02-04 | 1998-02-04 | Seat frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2331198A JPH11216037A (en) | 1998-02-04 | 1998-02-04 | Seat frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11216037A true JPH11216037A (en) | 1999-08-10 |
Family
ID=12107055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2331198A Pending JPH11216037A (en) | 1998-02-04 | 1998-02-04 | Seat frame |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11216037A (en) |
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| JP2011500448A (en) * | 2007-10-29 | 2011-01-06 | ジョンソン・コントロールズ・ゲー・エム・ベー・ハー | Structural elements for vehicle seats |
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1998
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| JP2008520356A (en) * | 2004-11-18 | 2008-06-19 | ジョンソン コントロールズ テクノロジー カンパニー | Seat frame system and manufacturing method thereof |
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| US20220324361A1 (en) * | 2021-04-08 | 2022-10-13 | Faurecia Sièges d'Automobile | Method for assembling a tube in a frame part of a vehicle seat and assembly of a tube in a frame part of a vehicle seat |
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