JPH11266957A - Fixing structure of seat board for chair - Google Patents
Fixing structure of seat board for chairInfo
- Publication number
- JPH11266957A JPH11266957A JP7871098A JP7871098A JPH11266957A JP H11266957 A JPH11266957 A JP H11266957A JP 7871098 A JP7871098 A JP 7871098A JP 7871098 A JP7871098 A JP 7871098A JP H11266957 A JPH11266957 A JP H11266957A
- Authority
- JP
- Japan
- Prior art keywords
- shell
- screw
- seat
- chair
- seat plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Chairs Characterized By Structure (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、ブロー成形によっ
て形成されたシェルの座部に、クッション体を含む座板
を取り付ける椅子の構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair structure in which a seat plate including a cushion body is mounted on a seat of a shell formed by blow molding.
【0002】[0002]
【従来の技術】従来の椅子の構造の代表的なものとし
て、実開平4-86446号公報記載の椅子が公知である。同
公報に記載の椅子は、中空成形されたシェルが用いら
れ、シェルによって椅子の背もたれ部と座部とが一体化
されている。シェルの座部には、クッション体を有する
座板が、シェルに穿設された止め穴を利用して、金属製
の止め具によって取り付けられている。2. Description of the Related Art A chair described in Japanese Utility Model Laid-Open No. 4-86446 is known as a typical example of a conventional chair structure. The chair described in the publication uses a hollow-molded shell, and the backrest portion and the seat portion of the chair are integrated by the shell. A seat plate having a cushion body is attached to a seat of the shell by a metal stopper using a stop hole formed in the shell.
【0003】[0003]
【発明が解決しようとする課題】しかし、上記実開平4-
86446号公報記載の椅子の場合、クッション体に、水平
方向に力がかかると、クッション体がシェルからはずれ
やすく、また、シェルが歪みやすいという問題がある。SUMMARY OF THE INVENTION
In the chair described in JP 86446, there is a problem that when a force is applied to the cushion body in the horizontal direction, the cushion body is easily detached from the shell and the shell is easily distorted.
【0004】また、シェルの上面のみにクッション体取
付用の穴を穿設しているために、留め具等の部品を、こ
の穴からシェルの内部に落としてしまう虞もあり、椅子
の製造組立時に手間がかかるという問題もある。Further, since a hole for attaching a cushion body is formed only in the upper surface of the shell, parts such as fasteners may be dropped from the hole into the inside of the shell. There is also a problem that it takes time and effort.
【0005】本発明は、従来の技術が有する上述のよう
な問題点に鑑みてなされたもので、ブロー成形によっ
て、背もたれ部と座部とが一体化されたシェルを有する
椅子において、シェルの強度を向上させるとともに、ク
ッション体がシェルの座部からはずれにくく、使い勝手
のよい椅子の座板の取付構造を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art. In a chair having a shell in which a backrest and a seat are integrated by blow molding, the strength of the shell is improved. It is an object of the present invention to provide an easy-to-use chair seat plate mounting structure in which the cushion body does not easily come off from the shell seat portion and is easy to use.
【0006】[0006]
【課題を解決するための手段】本発明は、次のようにし
て上記課題を解決している。 (1) 座部を有するシェルをブロー成形し、このシェル
の座部に、クッション体及び表皮材を有する座板を取り
付けてなる椅子において、前記シェルの座部を複数箇所
で、当該箇所の上部シェル及び下部シェルを互いに凹入
させることによって、両者を当接又は一体化させてねじ
取付部を形成し、前記座板における前記シェルのねじ取
付部と対応する箇所に、下向きのねじ受け部を突設し、
このねじ受け部をねじ取付部に嵌合させた状態で、前記
シェルの座部下方から取付ねじをねじ取付部に挿通して
ねじ受け部に螺合させることにより、前記座板を前記シ
ェルの座部に取り付ける。The present invention solves the above-mentioned problems as follows. (1) In a chair in which a shell having a seat portion is blow-molded and a seat plate having a cushion body and a skin material is attached to the seat portion of the shell, the seat portion of the shell is provided at a plurality of places, By recessing the shell and the lower shell to each other, the two are abutted or integrated to form a screw mounting portion, and a downward screw receiving portion is provided at a position corresponding to the screw mounting portion of the shell on the seat plate. Protruding,
In a state in which the screw receiving portion is fitted to the screw mounting portion, the mounting plate is inserted into the screw mounting portion from below the seat portion of the shell and screwed into the screw receiving portion, so that the seat plate is connected to the shell. Attach it to the seat.
【0007】(2) 上記(1) 項において、座板に位置
決め用突起を形成するとともに、シェルに、前記位置決
め用突起が嵌合する凹部を形成する。(2) In the above item (1), a positioning projection is formed on the seat plate, and a recess for fitting the positioning projection is formed on the shell.
【0008】[0008]
【発明の実施の形態】次に、本発明の実施の形態を、添
付図面を参照しながら説明する。Next, embodiments of the present invention will be described with reference to the accompanying drawings.
【0009】図1は、本実施形態の取付構造が適用され
た椅子の分解斜視図である。この椅子は、シェル(10)
と、シェル(10)の上面に取り付けられる座板(12)等とを
もって構成されている。FIG. 1 is an exploded perspective view of a chair to which the mounting structure according to the present embodiment is applied. This chair is shell (10)
And a seat plate (12) attached to the upper surface of the shell (10).
【0010】シェル(10)は、座部(14)と背もたれ部(16)
とからなり、これらの座部(14)及び背もたれ部(16)は、
ポリエチレン、ポリプロピレン等の樹脂をブロー成形す
ることによって、一体的に形成されている。シェル(10)
の座部(14)には、表面にクッション体(18)及び表皮材(2
0)を具備する座板(12)が、4本の取付ねじ(22)によっ
て、後述する方法で取り付けられる。The shell (10) includes a seat (14) and a backrest (16).
And these seats (14) and backrest (16)
It is formed integrally by blow molding a resin such as polyethylene or polypropylene. Shell (10)
The seat (14) has a cushion body (18) and a skin material (2
The seat plate (12) provided with the mounting plate (0) is mounted by four mounting screws (22) in a manner described later.
【0011】図2は、シェル(10)の平面図である。シェ
ル(10)の外周部に沿った適所には、座板(12)をシェル(1
0)に取り付けるためのねじ取付部(24)が、後述する要領
で合計4箇所形成されている。FIG. 2 is a plan view of the shell (10). Place the seat plate (12) in place along the outer periphery of the shell (10).
A total of four screw mounting portions (24) for mounting to (0) are formed in a manner described later.
【0012】図3は、図2のIII-III線に沿った断面図
である。シェル(10)の座部(14)は、ブロー成形によって
一体的に形成された上部シェル(14a)及び下部シェル(14
b)からなっている。ねじ取付部(24)は、上部シェル(14
a)及び下部シェル(14b)の前記4箇所の部分を、ブロー
成形時に、それぞれ下方及び上方に凹入成形して、この
凹入成形された部分同士を、互いに圧接又は一体化する
ことによって形成されている。これらのねじ取付部(24)
には、図1で示した取付ねじ(22)用のねじ孔(24a)が穿
設されている。FIG. 3 is a sectional view taken along the line III-III of FIG. The seat (14) of the shell (10) has an upper shell (14a) and a lower shell (14) integrally formed by blow molding.
b). The screw mounting part (24) is connected to the upper shell (14
a) and the above four portions of the lower shell (14b) are formed by indentation downward and upward, respectively, during blow molding, and these indented portions are pressed or integrated with each other. Have been. These screw mounts (24)
Is provided with a screw hole (24a) for the mounting screw (22) shown in FIG.
【0013】図4は、座板(12)の平面図、図5は、図4
のV-V線に沿った断面図である。図4及び図5に示すよ
うに、座板(12)には、ほぼ中央後寄りの部分に平面視十
字形の位置決め用突起(26)が突設されている。一方、座
部(14)の上面の位置決め用突起(26)と対応する位置に
は、凹部(28)が形成されている。FIG. 4 is a plan view of the seat plate (12), and FIG.
FIG. 5 is a sectional view taken along line VV of FIG. As shown in FIGS. 4 and 5, the seat plate (12) is provided with a positioning projection (26) having a cross shape in a plan view at a position substantially rearward of the center. On the other hand, a concave portion (28) is formed at a position corresponding to the positioning projection (26) on the upper surface of the seat (14).
【0014】このため、組み立ての際に、位置決め用突
起(26)を、図1に示す座部(14)に形成された凹部(28)に
嵌合させながら、座板(12)をシェル(10)に載置すること
によって、座板(12)はシェル(10)に対して位置決めさ
れ、椅子の組み立てを容易に行うことができる。For this reason, at the time of assembling, the seat plate (12) is connected to the shell (14) while the positioning projections (26) are fitted into the concave portions (28) formed in the seat portion (14) shown in FIG. By mounting on the seat 10), the seat plate 12 is positioned with respect to the shell 10 so that the chair can be easily assembled.
【0015】図4及び図5に示すように、座板(12)の下
面には、取付ねじ(22)が螺合するねじ受け部(30)が、4
箇所突設されている。これらのねじ受け部(30)は、図3
に示すねじ取付部(24)と嵌合して、シェル(10)の座部(1
4)の下方から取付部(24)に挿通された取付ねじ(22)によ
ってねじ止めされるようになっている。As shown in FIGS. 4 and 5, on the lower surface of the seat plate (12), a screw receiving portion (30) into which the mounting screw (22) is screwed is provided.
It is protruded in places. These screw receivers (30) are shown in FIG.
Mating with the screw mounting part (24) shown in
The mounting screw (22) inserted into the mounting portion (24) from below is fixed by a screw.
【0016】次に、本実施形態の座板の取付構造を適用
した椅子の組立順序について説明する。Next, the order of assembling a chair to which the seat plate mounting structure of the present embodiment is applied will be described.
【0017】図6は、組み立てられた状態の椅子を示す
側断面図である。まず、予め、座板(12)に、クッション
体(18)及び表装材(20)を取り付ける。FIG. 6 is a side sectional view showing the chair in an assembled state. First, the cushion body (18) and the facing material (20) are attached to the seat plate (12) in advance.
【0018】次いで、座板(12)のねじ受け部(30)をシェ
ル(10)のねじ取付部(24)に嵌合させながら、シェル(10)
に載置する。このとき、位置決め用突起(26)がシェル(1
0)の凹部(28)に嵌合するため、座板(12)のシェル(10)に
対する前後左右の位置決めは容易に行われる。Next, while the screw receiving portion (30) of the seat plate (12) is fitted to the screw mounting portion (24) of the shell (10), the shell (10) is
Place on. At this time, the positioning projection (26) is
The fitting of the seat plate (12) with respect to the shell (10) in the front, rear, left and right directions is easily performed because the fitting is performed in the concave portion (28) of (0).
【0019】この状態で、シェル(10)の各ねじ取付部(2
4)の下方から、ねじ(22)を挿通してねじ受け部(30)に螺
合させ、シェル(10)に座板(12)を固定する。そして、脚
部(32)にシェル(10)を、ボルト及びナット(34)を溶接し
た取付金具によって取り付ける。その結果、座板(12)
は、図6に示すように取り付けられる。In this state, each screw mounting portion (2
The screw (22) is inserted from below and screwed into the screw receiving portion (30), and the seat plate (12) is fixed to the shell (10). Then, the shell (10) is attached to the leg portion (32) by a mounting bracket to which a bolt and a nut (34) are welded. As a result, the seat plate (12)
Are mounted as shown in FIG.
【0020】このように、本実施形態によれば、シェル
(10)の上部シェル(14a)及び下部シェル(14b)を、互いに
凹入成形することにより、両者を圧接若しくは一体化さ
せて、ねじ取付部(24)を形成し、このねじ取付部(24)か
らねじ(22)を挿通して、ねじ受け部(30)に螺合させるこ
とによって、座板(12)を固定している。このため、従来
の椅子の問題点であるクッション体(18)の横ずれ、取付
金具のシェル(10)内部への落下等を防止することがで
き、座板(12)を確実にシェル(10)に固定することが可能
となる。As described above, according to the present embodiment, the shell
The upper shell (14a) and the lower shell (14b) of (10) are concavely formed with each other to press or integrate them to form a screw mounting portion (24), and this screw mounting portion (24) is formed. ), The seat plate (12) is fixed by inserting a screw (22) into the screw receiving portion (30). For this reason, it is possible to prevent the cushion body (18), which is a problem of the conventional chair, from being shifted laterally, from falling into the inside of the shell (10) of the mounting bracket, and the like. It is possible to fix to.
【0021】また、シェル(10)を凹入成形しているの
で、シェル(10)の肉厚を厚くすることなく、シェル(10)
の強度及び剛性を向上させることができる。そのため、
シェル(10)の製造に必要な材料を減らすことができ、椅
子の製造コストを低減することが可能となる。Further, since the shell (10) is formed by indentation, the shell (10) can be formed without increasing the thickness of the shell (10).
Can improve the strength and rigidity. for that reason,
The material required for manufacturing the shell (10) can be reduced, and the manufacturing cost of the chair can be reduced.
【0022】本実施形態では、座部(14)と背もたれ部(1
6)とが一体成形された椅子に、本発明の取付構造を適用
した場合について説明したが、本発明は、これに限ら
ず、座部(14)と背もたれ部(16)とが分離されている椅
子、或いは、座部(14)のみを有する椅子にも適用可能で
ある。In this embodiment, the seat (14) and the backrest (1
6) and the chair in which the mounting structure of the present invention is applied to the integrally molded chair.However, the present invention is not limited to this, and the seat (14) and the backrest (16) are separated. The present invention is also applicable to an existing chair or a chair having only the seat (14).
【0023】[0023]
【発明の効果】本発明によれば、次のような効果を奏す
ることができる。 (a) 請求項1の発明によると、シェルの強度及び剛性を
向上させることができるので、耐久性の高い椅子を提供
できる。According to the present invention, the following effects can be obtained. (a) According to the invention of claim 1, since the strength and rigidity of the shell can be improved, a chair with high durability can be provided.
【0024】(b) 請求項2の発明によると、座板に位置
決め用突起を形成し、シェルに形成した凹部に、この位
置決め用突起を嵌合させた状態で、シェルに座板を取り
付けるようにしているため、組立時に、座板のシェルに
対する位置決めを容易に行うことができ、椅子の組立作
業が容易となる。(B) According to the second aspect of the invention, the positioning plate is formed on the seat plate, and the positioning plate is fitted to the recess formed in the shell, and the seat plate is attached to the shell. Therefore, at the time of assembling, the seat plate can be easily positioned with respect to the shell, and the assembling work of the chair becomes easy.
【図1】本発明の取付構造が適用された椅子の要部を示
す分解斜視図である。FIG. 1 is an exploded perspective view showing a main part of a chair to which a mounting structure according to the present invention is applied.
【図2】本実施形態の椅子に使用されるシェルの平面図
である。FIG. 2 is a plan view of a shell used in the chair of the embodiment.
【図3】図2のIII−III線に沿った断面図である。FIG. 3 is a sectional view taken along the line III-III in FIG. 2;
【図4】本実施形態の椅子の座板の平面図である。FIG. 4 is a plan view of a seat plate of the chair according to the embodiment.
【図5】図4のV−V線に沿った断面図である。FIG. 5 is a sectional view taken along the line VV of FIG. 4;
【図6】本実施形態の取付構造により、組み立てられた
椅子を示す側断面図である。FIG. 6 is a side sectional view showing a chair assembled by the mounting structure of the embodiment.
(10)シェル (12)座板 (14)座部 (16)背もたれ部 (18)クッション体 (20)表皮材 (22)ねじ (24)ねじ取付部 (24a)ねじ孔 (26)位置決め用突起 (28)凹部 (30)ねじ受け部 (32)脚部 (34)ボルト及びナット (10) Shell (12) Seat plate (14) Seat (16) Backrest (18) Cushion body (20) Skin material (22) Screw (24) Screw mount (24a) Screw hole (26) Positioning protrusion (28) Recess (30) Screw receiver (32) Leg (34) Bolt and nut
Claims (2)
のシェルの座部に、クッション体及び表皮材を有する座
板を取り付けてなる椅子において、 前記シェルの座部を複数箇所で、当該箇所の上部シェル
及び下部シェルを互いに凹入させることによって、両者
を当接又は一体化させてねじ取付部を形成し、前記座板
における前記シェルのねじ取付部と対応する箇所に、下
向きのねじ受け部を突設し、このねじ受け部をねじ取付
部に嵌合させた状態で、前記シェルの座部下方から取付
ねじをねじ取付部に挿通してねじ受け部に螺合させるこ
とにより、前記座板を前記シェルの座部に取り付けてな
ることを特徴とする椅子の座板の取付構造。1. A chair comprising: a shell having a seat portion blow-molded; and a seat plate having a cushion body and a skin material attached to the seat portion of the shell, wherein the seat portion of the shell is provided at a plurality of locations. The upper shell and the lower shell are recessed into each other to abut or integrate them to form a screw mounting portion, and a downward screw receiver is provided at a position corresponding to the screw mounting portion of the shell on the seat plate. In the state where the screw receiving portion is fitted to the screw mounting portion, the mounting screw is inserted through the screw mounting portion from below the seat portion of the shell and screwed into the screw receiving portion in a state where the screw receiving portion is fitted to the screw mounting portion. A seat plate mounting structure for a chair, wherein a seat plate is mounted on a seat portion of the shell.
に、シェルに、前記位置決め用突起が嵌合する凹部を形
成してなることを特徴とする請求項1記載の椅子の座板
の取付構造。2. A seat plate mounting structure for a chair according to claim 1, wherein a positioning projection is formed on the seat plate, and a concave portion is formed in the shell for fitting the positioning projection. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP07871098A JP4040744B2 (en) | 1998-03-26 | 1998-03-26 | Chair seat mounting structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP07871098A JP4040744B2 (en) | 1998-03-26 | 1998-03-26 | Chair seat mounting structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11266957A true JPH11266957A (en) | 1999-10-05 |
JP4040744B2 JP4040744B2 (en) | 2008-01-30 |
Family
ID=13669434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP07871098A Expired - Fee Related JP4040744B2 (en) | 1998-03-26 | 1998-03-26 | Chair seat mounting structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4040744B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1839532A1 (en) | 2006-03-28 | 2007-10-03 | Kokuyo Furniture Co., Ltd. | Chair |
JP2018057643A (en) * | 2016-10-06 | 2018-04-12 | コクヨ株式会社 | Chair |
-
1998
- 1998-03-26 JP JP07871098A patent/JP4040744B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1839532A1 (en) | 2006-03-28 | 2007-10-03 | Kokuyo Furniture Co., Ltd. | Chair |
US7654616B2 (en) | 2006-03-28 | 2010-02-02 | Kokuyo Furniture Co., Ltd. | Chair having integrally formed back frame and seat frame |
JP2018057643A (en) * | 2016-10-06 | 2018-04-12 | コクヨ株式会社 | Chair |
Also Published As
Publication number | Publication date |
---|---|
JP4040744B2 (en) | 2008-01-30 |
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