JP4575797B2 - Headrest skin and headrest - Google Patents

Headrest skin and headrest Download PDF

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JP4575797B2
JP4575797B2 JP2005024335A JP2005024335A JP4575797B2 JP 4575797 B2 JP4575797 B2 JP 4575797B2 JP 2005024335 A JP2005024335 A JP 2005024335A JP 2005024335 A JP2005024335 A JP 2005024335A JP 4575797 B2 JP4575797 B2 JP 4575797B2
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skin
headrest
folded
curved surface
folded portion
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JP2006204784A (en
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隆介 横田
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Inoac Corp
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Inoac Corp
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Description

この発明は、例えば自動車等の車両の座席に取り付けられるヘッドレスト用の表皮、及びその表皮を用いたヘッドレストに関するものである。   The present invention relates to a skin for a headrest attached to a seat of a vehicle such as an automobile, and a headrest using the skin.

従来、自動車等の車両において、例えばリヤシートに設置されるヘッドレストには、複数の表皮片を縫合することにより側面形ほぼL字状の袋状をなすように形成したヘッドレスト用表皮が使用されている。このような構造のヘッドレスト用表皮では、内側表皮面が1枚の表皮片により側面形ほぼL字状に屈曲形成されていると、薄手の表皮片であっても、その内側表皮面の曲面部にシワが発生しやすかった。特に、ファブリック表皮にウレタン発泡シートや、ポリウレタンフイルム等を一体に重ね合わせた構成の表皮片を用いた場合では、裏面側のウレタン発泡シートやポリウレタンフイルムが表面側のファブリック表皮よりも伸長性に乏しいため、ファブリック表皮のみが伸びて、そのファブリック表皮に一層顕著にシワが発生した。   2. Description of the Related Art Conventionally, in a vehicle such as an automobile, for example, a headrest skin formed in a side-shaped substantially L-shaped bag shape by stitching a plurality of skin pieces is used for a headrest installed on a rear seat. . In the headrest skin having such a structure, when the inner skin surface is bent and formed into a substantially L-shaped side surface by a single skin piece, even if it is a thin skin piece, the curved surface portion of the inner skin surface It was easy for wrinkles to occur. In particular, when using a fabric piece with a polyurethane foam sheet or polyurethane film laminated on the fabric skin, the urethane foam sheet or polyurethane film on the back side is less stretchable than the fabric skin on the front side. For this reason, only the fabric skin was stretched, and wrinkles were more noticeably generated on the fabric skin.

このような問題点に対処するため、例えば、特許文献1に開示されるような構成のヘッドレスト用表皮も従来から提案されている。この従来のヘッドレスト用表皮31は、図5〜図7に示すように、内側表皮片32、外側表皮片33及び一対の側部表皮片34を縫合して、側面形ほぼL字状の袋状をなすように形成されている。内側表皮片32は、3枚の表皮片部材35,36,37をこれらの対向端縁において縫合することにより形成されている。   In order to deal with such a problem, for example, a headrest skin having a structure as disclosed in Patent Document 1 has been proposed. As shown in FIGS. 5 to 7, the conventional headrest skin 31 is formed by stitching an inner skin piece 32, an outer skin piece 33, and a pair of side skin pieces 34 to form a side-like substantially L-shaped bag shape. It is formed to make. The inner skin piece 32 is formed by stitching three skin piece members 35, 36, and 37 at their opposing edges.

そして、内側表皮面Sの曲面部Saには、図6及び図7に示すように、表皮片部材35,36の対向端縁を重ね合わせた状態で内側に折り畳むとともに、それらの折り返し部35a,36aを折り返し線L−Lに沿って縫合した縫い目38が形成されている。また、図5に示すように、内側表皮片32の表皮片部材37には、ヘッドレスト用表皮31内にステー39を挿通するための一対の挿通孔40が形成されている。さらに、それらの挿通孔40よりも縫い目38側に位置するように、表皮片部材36,37の対向端縁の縫合部には、ヘッドレスト用表皮31内に発泡樹脂原料を注入するための注入口41が形成されている。なお、この注入口41としては、図5に鎖線で示すように、挿通孔40に対して縫い目38と反対側に位置するように形成したものもある。
特開2000−166708号公報
Then, the curved surface portion Sa of the inner skin surface S is folded inward with the opposing end edges of the skin piece members 35 and 36 being overlapped, as shown in FIGS. 6 and 7, and the folded portions 35a, A seam 38 is formed by stitching 36a along the fold line LL. As shown in FIG. 5, a pair of insertion holes 40 for inserting the stay 39 into the headrest skin 31 is formed in the skin piece member 37 of the inner skin piece 32. Further, an injection port for injecting the foamed resin material into the headrest epidermis 31 at the stitched portion of the opposing edge of the epidermis members 36 and 37 so as to be located on the side of the seam 38 with respect to the insertion hole 40 41 is formed. The injection port 41 may be formed so as to be located on the side opposite to the seam 38 with respect to the insertion hole 40 as indicated by a chain line in FIG.
JP 2000-166708 A

ところが、この従来のヘッドレスト用表皮においては、前述のように内側表皮面Sの曲面部Saに縫い目38が折り返し線L−Lに沿って幅方向の全長に亘って形成されている。言い換えれば、図7から明らかなように、縫い目38の部分を起点にして折り返し部35a,36aが形成されることになり、表皮片部材35,36は、曲面部Saの部分において縫い目38を介してほとんど1枚の表皮状を呈する状況になる。従って、表皮片部材35,36の動きが拘束され、図5に示すように、曲面部Saの近辺において、例えば両表皮片部材35,36の両幅端部に、やはりシワWが発生するという問題が残った。   However, in this conventional headrest skin, the seam 38 is formed on the curved surface portion Sa of the inner skin surface S over the entire length in the width direction along the fold line LL as described above. In other words, as apparent from FIG. 7, the folded portions 35 a and 36 a are formed starting from the seam 38, and the skin piece members 35 and 36 pass through the seam 38 at the curved surface portion Sa. The situation becomes almost one epidermis. Accordingly, the movement of the skin piece members 35 and 36 is constrained, and as shown in FIG. 5, wrinkles W are also generated in the vicinity of the curved surface portion Sa, for example, at both width end portions of the both skin piece members 35 and 36. The problem remained.

この発明は、このような従来の技術に存在する問題点に着目してなされたものである。その目的は、内側表皮面の曲面部にシワが発生するのを確実に抑制することができるヘッドレスト用表皮、及びその表皮を用いたヘッドレストを提供することにある。   The present invention has been made paying attention to such problems existing in the prior art. An object of the present invention is to provide a headrest skin capable of reliably suppressing the occurrence of wrinkles on the curved surface portion of the inner skin surface, and a headrest using the skin.

上記の目的を達成するために、請求項1に記載のヘッドレスト用表皮に係る発明は、複数の表皮片部材を縫合して側面形ほぼL字状の袋状をなすように形成したヘッドレスト用表皮であって、内側表皮面の曲面部において、一対の表皮片部材の対向端縁を重ね合わせた状態で、少なくとも一方の対向端縁に内側に向かって折り返し部を形成することにより、両対向端縁を内側に突出させ、前記折り返し部を縫合により閉鎖するとともに、前記折り返し部の少なくとも一部を折り返し線から内側に離れた位置で縫合したことを特徴とするものである。なお、ここで、曲面部とは、凹状に屈曲または湾曲した部分を指すものとする。 In order to achieve the above object, the invention according to claim 1 is directed to a headrest skin formed by sewing a plurality of skin piece members so as to form a side-shaped substantially L-shaped bag shape. In the curved surface portion of the inner skin surface, the opposing end edges of the pair of skin piece members are overlapped, and at least one opposing end edge is formed with a folded portion toward the inside, whereby both opposing ends An edge is projected inward, the folded portion is closed by stitching , and at least a part of the folded portion is stitched at a position away from the folding line to the inside. Here, the curved surface portion refers to a portion bent or curved in a concave shape.

請求項2に記載の発明においては、請求項1に記載の発明において、ステーを挿通するための挿通孔、及び発泡樹脂原料を注入するための注入口を備え、前記注入口は前記挿通孔と前記折り返し部との間に形成されていることを特徴とするものである。
請求項3に記載の発明においては、請求項2に記載の発明において、前記折り返し部の内端を縫合したことを特徴とするものである。
In invention of Claim 2, in invention of Claim 1, it has the insertion hole for inserting a stay, and the injection hole for inject | pouring a foamed resin raw material, The said injection hole is the said insertion hole and It is formed between the folded portion .
According to a third aspect of the present invention, in the second aspect of the present invention, the inner end of the folded portion is stitched.

請求項4に記載のヘッドレストに係る発明は、前記請求項1〜3のうちのいずれか一項に記載のヘッドレスト用表皮内にステーを挿通するとともに、発泡合成樹脂を充填したことを特徴とするものである。   The invention relating to the headrest described in claim 4 is characterized in that the stay is inserted into the headrest skin according to any one of claims 1 to 3 and filled with foamed synthetic resin. Is.

(作用)
この発明においては、内側表皮面の曲面部の両折り返し部が折り返し線よりも内側に離れた位置で接合されているため、その曲面部における表皮片部材の対向端縁は、拘束されず、移動や伸縮の自由性が付与される。よって、内側表皮面の曲面部にシワが発生するのを確実に抑制することができる。また、両折り返し部が接合されているため、ヘッドレスト用表皮内に発泡樹脂原料を注入する際に、折り返し部間からから発泡樹脂原料の漏れが生じることを抑制することができる。
(Function)
In this invention, since both folded portions of the curved surface portion of the inner skin surface are joined at a position away from the folding line, the opposing edge of the skin piece member on the curved surface portion is not restrained and moved. And freedom to stretch. Therefore, wrinkles can be reliably suppressed from occurring on the curved surface portion of the inner skin surface. Moreover, since both the folding | returning parts are joined, when inject | pouring a foamed resin raw material in the skin for headrests, it can suppress that the foaming resin raw material leaks from between the folding | returning parts.

以上のように、この発明によれば、内側表皮面の曲面部にシワが発生するのを確実に抑制することができるとともに、発泡樹脂原料の漏れを防止できるという効果を発揮する。   As described above, according to the present invention, it is possible to surely suppress the occurrence of wrinkles on the curved surface portion of the inner skin surface, and to exert an effect of preventing leakage of the foamed resin material.

以下に、この発明の一実施形態を、図1〜図3に基づいて説明する。
図1及び図2に示すように、この実施形態のヘッドレストは、袋状のヘッドレスト用表皮11と、その表皮11内に挿通されたステー12と、表皮11内に充填形成された発泡合成樹脂13とから構成されている。この実施形態において、ヘッドレスト用表皮11は、内側表皮片14、外側表皮片15及び一対の側部表皮片16を縫合して、側面形ほぼL字状の袋状をなすように形成されている。内側表皮片14は、所定形状に裁断された3枚の表皮片部材17,18,19をそれの対向端縁において縫合することにより形成されている。
Below, one Embodiment of this invention is described based on FIGS. 1-3.
As shown in FIGS. 1 and 2, the headrest of this embodiment includes a bag-shaped headrest skin 11, a stay 12 inserted into the skin 11, and a foamed synthetic resin 13 filled in the skin 11. It consists of and. In this embodiment, the headrest skin 11 is formed so as to form a bag shape having a substantially L-shaped side shape by stitching the inner skin piece 14, the outer skin piece 15, and the pair of side skin pieces 16. . The inner skin piece 14 is formed by stitching three skin piece members 17, 18, 19 cut into a predetermined shape at opposite edges thereof.

前記ヘッドレスト用表皮11の内側表皮面Sの曲面部Saにおいて、内側表皮片14の表皮片部材17,18の対向端縁は重ね合わされている。なお、内側表皮片14の表皮片部材17,18の対向端縁を重ね合わせて、それらの重ね合わせ部の少なくとも一方を内側に折り返せば、重ね合わせ部を表皮11の内側に向かって突出させることができるが、ここでは、便宜上重ね合わせ部を折り返し部17a,18aとする。そして、折り返し部17a,18aは、少なくともその一部が折り返し線L−Lよりも内側に離れた位置において縫合により接合されている。   In the curved surface portion Sa of the inner skin surface S of the headrest skin 11, the opposing edges of the skin piece members 17 and 18 of the inner skin piece 14 are overlapped. In addition, if the opposing edge of the skin piece members 17 and 18 of the inner skin piece 14 is overlapped and at least one of the overlapping portions is folded back inward, the overlapping portion is projected toward the inside of the skin 11. However, here, the overlapping portions are referred to as folded portions 17a and 18a for convenience. The folded portions 17a and 18a are joined together by stitching at a position where at least a part thereof is separated from the folded line LL.

すなわち、図3(a)に示すように、表皮片部材17,18の対向端縁の中央には、それらの両側に切欠部17b,18bを形成することによって、折り返し部17a,18aが予め突出形成されている。そして、図3(b)に示すように、両表皮片部材17,18を重ね合わせた状態で、それらの折り返し部17a,18aを切欠部17b,18bの周縁及び折り返し部17a,18aの先端縁に沿って、縫い目21により縫合する。その後、図3(b)及び(c)に示すように、両表皮片部材17,18を折り返し線L−Lに沿って折り返すことにより、折り返し線L−Lに接合されない部分が形成される。   That is, as shown in FIG. 3 (a), notches 17b and 18b are formed on both sides of the opposite end edges of the skin piece members 17 and 18 so that the folded portions 17a and 18a protrude in advance. Is formed. Then, as shown in FIG. 3 (b), in a state where the two skin pieces 17 and 18 are overlapped, the folded portions 17a and 18a are connected to the peripheral edges of the cutout portions 17b and 18b and the leading edges of the folded portions 17a and 18a. The seam 21 is stitched along the line. Thereafter, as shown in FIGS. 3B and 3C, the two skin pieces 17 and 18 are folded along the fold line LL, thereby forming a portion that is not joined to the fold line LL.

図1及び図2に示すように、前記内側表皮片14の表皮片部材19には、ヘッドレスト用表皮11内にステー12を挿通して、その両脚部12aを外部に突出させるための一対の挿通孔22が形成されている。さらに、それらの挿通孔22よりも曲面部Sa側に位置するように、表皮片部材18,19の対向端縁の縫合部には、ヘッドレスト用表皮11内に発泡樹脂原料を注入して、前記発泡合成樹脂13を発泡形成するための注入口23が形成されている。   As shown in FIGS. 1 and 2, the skin member 19 of the inner skin piece 14 has a pair of insertions for inserting the stay 12 into the headrest skin 11 and projecting both legs 12a to the outside. A hole 22 is formed. Furthermore, the foamed resin raw material is injected into the headrest skin 11 into the stitched portions at the opposing edges of the skin piece members 18 and 19 so as to be positioned on the curved surface portion Sa side with respect to the insertion holes 22, An injection port 23 for foaming the foamed synthetic resin 13 is formed.

以上のように、この実施形態のヘッドレスト用表皮11においては、内側表皮面Sの曲面部Saに、一対の表皮片部材17,18の対向端縁を重ね合わせた状態で内側に折り返すとともに、折り返し線L−Lの部分は対向しているのみで接合されていない。このため、内側表皮面Sの曲面部Saにおいて、一対の表皮片部材17,18の対向端縁間は、移動や伸縮の自由度が確保される。よって、従来構成とは異なり内側表皮面Sの曲面部Saにシワが発生するのを抑制することができる。   As described above, in the headrest skin 11 of this embodiment, the inner skin surface S is folded inward with the opposing edges of the pair of skin piece members 17 and 18 superimposed on the curved surface portion Sa of the inner skin surface S. The portions of the line LL are only opposed to each other and are not joined. For this reason, in the curved surface part Sa of the inner skin surface S, the freedom degree of a movement or expansion / contraction is ensured between the opposing edge edges of a pair of skin piece members 17 and 18. Therefore, unlike the conventional configuration, wrinkles can be prevented from occurring on the curved surface portion Sa of the inner skin surface S.

また、このヘッドレスト用表皮11では、両折り返し部17a,18aが折り返し線L−Lよりも内側に離れた位置で縫合されて、閉鎖された状態にある。このため、ヘッドレスト用表皮11内に発泡樹脂原料を注入する際に、折り返し部17a,18a間からから原料漏れが生じることを抑制することができる。   Further, in the headrest epidermis 11, both folded portions 17a and 18a are sewn and closed at positions away from the folding line LL. For this reason, when inject | pouring a foaming resin raw material in the skin 11 for headrests, it can suppress that a raw material leak arises from between the folding | returning parts 17a and 18a.

よって、この実施形態においては、以下のような効果を発揮する。
・ 内側表皮面Sの曲面部Saにシワが発生するのを抑制することができ、外観上好ましいヘッドレストを実現できる。
Therefore, in this embodiment, the following effects are exhibited.
-It can suppress that wrinkles generate | occur | produce in the curved surface part Sa of the inner skin surface S, and can implement | achieve a headrest preferable in appearance.

・ 折り返し部17a,18a間からから発泡樹脂原料の漏れが生じることを抑制することができる。
・ 上記の効果を達成するための手段として、縫合部を構成する縫い目21の位置を従来構成と比較して表皮11の内側に位置するところに設けただけであるから、部品点数が増えることなく、低コストで前述の効果を得ることができる。
-It can suppress that the foaming resin raw material leaks from between the folding | returning parts 17a and 18a.
-As a means for achieving the above-mentioned effect, the position of the seam 21 constituting the stitching portion is merely provided on the inner side of the skin 11 as compared with the conventional configuration, so that the number of parts does not increase. The aforementioned effects can be obtained at a low cost.

(変更例)
なお、この実施形態は、次のように変更して具体化することも可能である。
・ 図4に示すように、内側表皮片14における一対の表皮片部材17,18の対向端縁の両側部に切欠部17b,18bを形成することなく、対向端縁の幅方向の全長に亘って折り返し部17a,18aを形成する。そして、折り返し部17a,18aを前記実施形態と同様の縫い目21により縫合すること。
(Example of change)
In addition, this embodiment can also be changed and embodied as follows.
As shown in FIG. 4, without forming notches 17b and 18b on both sides of the opposing edge of the pair of skin piece members 17 and 18 in the inner skin piece 14, the entire length in the width direction of the opposing edge is obtained. Thus, folded portions 17a and 18a are formed. Then, the folded portions 17a and 18a are stitched by the same stitches 21 as in the above embodiment.

・ 前記実施形態において、注入口23を挿通孔22に対して曲面部Saと反対側に位置するように形成すること。
・ 折り返し部17a,18aの折り返し線L−L上にその折り返し線L−Lに沿って縫い目を入れること。このようにすれば、折り返し部17a,18aが縫い目上で確実に折り返されて、シワの発生や発泡原料の漏れをいっそう有効に防止できる。
In the embodiment, the injection port 23 is formed so as to be located on the opposite side of the curved surface portion Sa with respect to the insertion hole 22.
-Put a seam on the folding line LL of the folding parts 17a, 18a along the folding line LL. In this way, the folded portions 17a and 18a are reliably folded on the seam, and the generation of wrinkles and leakage of the foaming material can be more effectively prevented.

・ 折り返し部17a,18aの内奥部の縫い目21を折り返し線L−Lと平行な線上に部分的に設けること。
・ 折り返し部17a,18aの接合を縫合以外の方法、例えば接着や溶着により行うこと。
-The seam 21 at the inner back of the folded portions 17a, 18a is partially provided on a line parallel to the folded line LL.
The joining of the folded portions 17a and 18a is performed by a method other than sewing, for example, adhesion or welding.

一実施形態のヘッドレスト用表皮を備えたヘッドレストを示す斜視図。The perspective view which shows the headrest provided with the skin for headrests of one Embodiment. 図1の2−2線における断面図。Sectional drawing in the 2-2 line of FIG. (a)〜(c)は、図1のヘッドレスト用表皮の内側表皮面の縫製方法を示す説明図。(A)-(c) is explanatory drawing which shows the sewing method of the inner skin surface of the skin for headrests of FIG. 内側表皮面の縫製方法の変更例を示す説明図。Explanatory drawing which shows the example of a change of the sewing method of an inner skin surface. 従来のヘッドレスト用表皮を備えたヘッドレストを示す斜視図。The perspective view which shows the headrest provided with the skin for the conventional headrest. 図5のヘッドレスト用表皮の内側表皮面の縫製方法を示す説明図。Explanatory drawing which shows the sewing method of the inner skin surface of the skin for headrests of FIG. 図5の要部拡大断面図。The principal part expanded sectional view of FIG.

符号の説明Explanation of symbols

11…ヘッドレスト用表皮、12…ステー、13…発泡合成樹脂、14…内側表皮片、15…外側表皮片、16…側部表皮片、17〜19…表皮片部材、17a,18a…折り返し部、21…縫い目、S…内側表皮面、Sa…曲面部、L−L…折り返し線。   DESCRIPTION OF SYMBOLS 11 ... Headrest skin, 12 ... Stay, 13 ... Foam synthetic resin, 14 ... Inner skin piece, 15 ... Outer skin piece, 16 ... Side skin piece, 17-19 ... Skin piece member, 17a, 18a ... Folded part, 21 ... Seam, S ... Inner skin, Sa ... curved surface, LL ... folding line.

Claims (4)

複数の表皮片部材を縫合して側面形ほぼL字状の袋状をなすように形成したヘッドレスト用表皮であって、
内側表皮面の曲面部において、一対の表皮片部材の対向端縁を重ね合わせた状態で、少なくとも一方の対向端縁に内側に向かって折り返し部を形成することにより、両対向端縁を内側に突出させ
前記折り返し部を縫合により閉鎖するとともに、前記折り返し部の少なくとも一部を折り返し線から内側に離れた位置で縫合したことを特徴とするヘッドレスト用表皮。
A skin for a headrest formed by stitching a plurality of skin piece members so as to form a side-shaped substantially L-shaped bag shape,
In the curved surface portion of the inner skin surface, in a state where the opposing edges of the pair of skin piece members are overlapped, at least one opposing edge is formed with a folded portion toward the inside so that both opposing edges are inward. It is projected,
An epidermis for headrest , wherein the folded portion is closed by stitching , and at least a part of the folded portion is stitched at a position away from the folding line inward.
ステーを挿通するための挿通孔、及び発泡樹脂原料を注入するための注入口を備え、
前記注入口は前記挿通孔と前記折り返し部との間に形成されていることを特徴とする請求項1に記載のヘッドレスト用表皮。
With an insertion hole for inserting the stay, and an injection port for injecting the foamed resin raw material,
The headrest skin according to claim 1, wherein the injection port is formed between the insertion hole and the folded portion .
前記折り返し部の内端を縫合したことを特徴とする請求項2に記載のヘッドレスト用表皮。 The epidermis for headrest according to claim 2, wherein an inner end of the folded portion is stitched. 請求項1〜3のうちのいずれか一項に記載のヘッドレスト用表皮内にステーを挿通するとともに、発泡合成樹脂を充填したことを特徴とするヘッドレスト。 A headrest, wherein a stay is inserted into the headrest skin according to any one of claims 1 to 3, and a foamed synthetic resin is filled therein.
JP2005024335A 2005-01-31 2005-01-31 Headrest skin and headrest Expired - Fee Related JP4575797B2 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09299185A (en) * 1996-05-14 1997-11-25 Inoac Corp Method for producing covering material for headrest
JP2000166708A (en) * 1998-12-02 2000-06-20 Inoac Corp Surface cover for headrest and its manufacture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09299185A (en) * 1996-05-14 1997-11-25 Inoac Corp Method for producing covering material for headrest
JP2000166708A (en) * 1998-12-02 2000-06-20 Inoac Corp Surface cover for headrest and its manufacture

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