JP5742419B2 - Vehicle seat - Google Patents

Vehicle seat Download PDF

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Publication number
JP5742419B2
JP5742419B2 JP2011094013A JP2011094013A JP5742419B2 JP 5742419 B2 JP5742419 B2 JP 5742419B2 JP 2011094013 A JP2011094013 A JP 2011094013A JP 2011094013 A JP2011094013 A JP 2011094013A JP 5742419 B2 JP5742419 B2 JP 5742419B2
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vent
seat
occupant
central
blower
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JP2012224228A (en
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英雄 佐橋
英雄 佐橋
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Toyota Boshoku Corp
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Toyota Boshoku Corp
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Priority to JP2011094013A priority Critical patent/JP5742419B2/en
Priority to US13/440,202 priority patent/US8727434B2/en
Priority to CN201210099861.0A priority patent/CN102729865B/en
Publication of JP2012224228A publication Critical patent/JP2012224228A/en
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  • Seats For Vehicles (AREA)

Description

本発明は、送風装置を内蔵の車両用シートに関する。   The present invention relates to a vehicle seat incorporating a blower.

この種の車両用シートとして、特許文献1に開示の車両用シートが公知である。この車両用シートは、シートクッションと、シートバックと、送風装置を有する。
送風装置は、遠心式の送風機構(装置軸方向から外気を吸気しつつ遠心方向に送風する機構)を有する。
またシートバックは、シート外形をなすクッション材と、クッション材の流路部と、布帛製の表皮材を有する。
As this type of vehicle seat, a vehicle seat disclosed in Patent Document 1 is known. The vehicle seat includes a seat cushion, a seat back, and a blower.
The blower has a centrifugal blower mechanism (a mechanism that blows air in the centrifugal direction while sucking outside air from the device axial direction).
Further, the seat back includes a cushion material forming the outer shape of the seat, a flow path portion of the cushion material, and a fabric skin material.

そして流路部は、溝部と、通気孔と、蓋部材を有する。溝部は、クッション材(着座側)の凹部であり、クッション材に枝分かれ状に形成される。また導入通路は、クッション材内の通路であり、送風装置と溝部を連通する。そして蓋部材は、スポンジ製の平板部材であり、適度な通気性を有する。
公知技術では、シートバック内に送風装置を配設しつつ、クッション材の着座側を蓋部材で被覆する。そしてクッション材と送風装置を表皮材で覆ったのち、送風装置から吹出される気体を、クッション材の流路部(導入通路,溝部,蓋部材)を介して乗員に送風する。
The flow path portion includes a groove portion, a vent hole, and a lid member. A groove part is a recessed part of a cushion material (sitting side), and is formed in the cushion material in the shape of a branch. The introduction passage is a passage in the cushion material and communicates the blower and the groove. And a cover member is a flat plate member made from sponge, and has moderate air permeability.
In the known technique, the seating side of the cushion material is covered with a lid member while disposing a blower device in the seat back. And after covering a cushion material and an air blower with a skin material, the gas blown from an air blower is ventilated to a passenger | crew via the flow-path part (introduction passage, a groove part, a cover member) of a cushion material.

特開2000−70071号公報Japanese Unexamined Patent Publication No. 2000-70071

ところでこの種の車両用シートでは、乗員の着座状態に応じて、シートの中央と側部で送風量を調整したい(メリハリ良く送風したい)との要請がある。
例えば通常着座時においては、専らシートバック中央から送風を行うことが好ましい。また乗員がもたれかかった場合(シート中央に乗員胴体部が当接した場合)には、シート側部(例えば乗員腰部の側方)から送風を行うことが好ましい。
しかし公知技術では、溝部を通る気体が、蓋部材(スポンジ製)から均等に吹出される構成である。このため公知技術の構成は、シートの中央と側部で送風量にメリハリをつけるには不向きな構成であった(送風効率にやや欠ける構成であった)。
本発明は上述の点に鑑みて創案されたものであり、本発明が解決しようとする課題は、乗員の着座状態に応じて効率良く送風することにある。
By the way, in this type of vehicle seat, there is a demand for adjusting the amount of air blown at the center and side of the seat according to the seating state of the occupant (want to blow well).
For example, during normal sitting, it is preferable to blow air exclusively from the center of the seat back. Further, when the occupant leans on (when the occupant body part comes into contact with the center of the seat), it is preferable to blow air from the seat side (for example, the side of the occupant waist).
However, in the known technique, the gas passing through the groove is configured to be blown out uniformly from the lid member (made of sponge). For this reason, the configuration of the known technique is a configuration that is not suitable for sharpening the blowing rate at the center and side portions of the sheet (a configuration in which the blowing efficiency is somewhat lacking).
The present invention has been devised in view of the above points, and a problem to be solved by the present invention is to efficiently blow air according to the seating state of the occupant.

上記課題を解決するための手段として、第1発明の車両用シートは、シートクッションシートバックの少なくとも一方の部材を有する。そして一方の部材が、シート外形をなすクッション材を有する。
本発明では、シートクッション又はシートバックに配設された送風装置から吹出される気体を、クッション材の流路部を介して乗員に送風可能である。この種のシート構成では、乗員の着座状態に応じて効率良く送風できることが望ましい。
As means for solving the above problem, the vehicle seat of the first invention has at least one member of a seat cushion and a seat back. And one member has the cushion material which makes a seat external shape.
In this invention, the gas blown from the air blower arrange | positioned by the seat cushion or the seat back can be ventilated to a passenger | crew via the flow-path part of a cushioning material. In this type of seat configuration, it is desirable that air can be efficiently blown according to the seating state of the occupant.

そこで本発明では、上述の一方の部材が、着座状態の乗員胴体部(肩部や背部や腰部や臀部)又は脚部に当接可能な中央部位と、着座状態の乗員胴体部又は脚部に非当接の側部位を有する。
また流路部は、中央部位に形成された中央通気孔と、側部位に形成された側部通気孔と、中央通気孔と側部通気孔をシート内で連通する連通部とを有する。
そして送風装置から吹出される気体を、連通部を通じて、中央通気孔と側部通気孔の少なくとも一方から乗員に送風可能とする。さらに中央部位に乗員胴体部又は脚部が当接するときに、中央通気孔から供給される送風量が側部通気孔から供給される送風量よりも少なく、且つ中央部位に乗員胴体部又は脚部が非当接のときに、中央通気孔から供給される送風量が側部通気孔から供給される送風量よりも多い
本発明では、乗員の非当接時には、中央通気孔と側部通気孔の双方から乗員に送風可能である。そして乗員の当接により中央通気孔が閉塞した場合には、側部通気孔から乗員に送風(メリハリ良く送風)できる。また乗員の非当接時において、中央通気孔が、側部通気孔よりも多量に送風可能であるため、より効率良く乗員に送風することができる。
Therefore, in the present invention, one of the above-described members is attached to the seated occupant torso (shoulder, back, waist, buttocks) or the center part that can come into contact with the leg, and to the seated occupant torso or leg. It has a non-contact side part.
The flow path portion includes a central vent formed in the central portion, a side vent formed in the side portion, and a communication portion that connects the central vent and the side vent in the seat.
The gas blown from the blower can be blown to the occupant from at least one of the central vent and the side vent through the communicating portion . Further, when the occupant torso or leg comes into contact with the central part, the amount of air supplied from the central vent is less than the amount of air supplied from the side vent, and the occupant torso or leg is at the central part. When not in contact, the amount of air supplied from the central vent is greater than the amount of air supplied from the side vent .
In the present invention, when the occupant is not in contact, air can be blown to the occupant from both the central vent and the side vent. And when a center vent hole is obstruct | occluded by a passenger | crew contact | abutting, it can ventilate to a passenger | crew from a side part vent hole (it blows well). Further, when the occupant is not in contact, the central vent hole can blow a larger amount than the side vent hole, so that the occupant can be blown more efficiently.

さらに発明の車両用シートは、中央通気孔として、第一通気孔と、第一通気孔よりも側部通気孔に近い位置に配置する第二通気孔とを有し、第二通気孔の開口寸法が、第一通気孔の開口寸法よりも小さい。 Furthermore, the vehicle seat of the first invention has, as a central vent hole, a first vent hole and a second vent hole disposed closer to the side vent hole than the first vent hole. The opening size is smaller than the opening size of the first vent hole.

本発明に係る第1発明によれば、乗員の着座状態に応じて効率良く送風することができる。また第発明によれば、より効率良く乗員に送風することができる。 According to the 1st invention concerning the present invention, it can blow efficiently according to a crew member's seating state. Moreover, according to the 1st invention, it can ventilate a passenger | crew more efficiently.

車両用シートの斜視図である。It is a perspective view of a vehicle seat. シートバック一部の分解斜視図である。It is a disassembled perspective view of a seat back part. シートバックの縦断面図である。It is a longitudinal cross-sectional view of a seat back. クッション材と蓋部材の分解斜視図である。It is a disassembled perspective view of a cushion material and a cover member. クッション材の透視正面図である。It is a see-through | perspective front view of a cushion material. 表皮材と下帯部材の斜視図である。It is a perspective view of a skin material and a lower belt member. シートクッション一部の裏面図である。It is a rear view of a part of the seat cushion. 変形例に係るクッション材の透視正面図である。It is a see-through | perspective front view of the cushion material which concerns on a modification.

以下、本発明を実施するための形態を、図1〜図8を参照して説明する。なお各図には、車両用シート前方に符号F、車両用シート後方に符号B、車両用シート上方に符号UP、車両用シート下方に符号DWを適宜付す。
図1の車両用シート2は、シート構成部材(シートクッション4、シートバック6、ヘッドレスト8)と、レール部材9を有する。これらシート構成部材は、各々、シート骨格をなすフレーム部材(4F,6F,8F)と、シート外形をなすクッション材(4P,6P,8P)と、クッション材に被覆の表皮材(4S,6S,8S)を有する。
Hereinafter, embodiments for carrying out the present invention will be described with reference to FIGS. In each figure, a reference symbol F is attached to the front of the vehicle seat, a reference symbol B to the rear of the vehicle seat, a reference symbol UP to the upper side of the vehicle seat, and a reference symbol DW to the lower side of the vehicle seat.
The vehicle seat 2 in FIG. 1 includes a seat component (seat cushion 4, seat back 6, headrest 8) and a rail member 9. Each of these seat constituent members includes a frame member (4F, 6F, 8F) that forms a seat skeleton, a cushion material (4P, 6P, 8P) that forms the outer shape of the seat, and a skin material (4S, 6S, 8S).

レール部材9は、アッパレール9aと、アッパレール9aに摺動可能に組付けられるロアレール9bを有する。そしてシートクッション4をアッパレール9aに取付けることで、車両用シート2が、ロアレール9b上をスライド移動可能となる。
またヘッドレスト8は、シートバック6上部に配設される部材であり、ステー部材(図示省略)を有する。そして一対のステー部材を、シートバック6の筒状部材(図示省略)に挿設することで、シートバック6上部にヘッドレスト8が取付けられる。
The rail member 9 has an upper rail 9a and a lower rail 9b that is slidably assembled to the upper rail 9a. Then, by attaching the seat cushion 4 to the upper rail 9a, the vehicle seat 2 can slide on the lower rail 9b.
The headrest 8 is a member disposed on the upper portion of the seatback 6 and has a stay member (not shown). Then, the headrest 8 is attached to the upper part of the seat back 6 by inserting the pair of stay members into a cylindrical member (not shown) of the seat back 6.

<実施例1>
シートクッション4は、Sバネ14(略S字状に屈曲した線状部材)を有する(図1及び図7を参照)。本実施例では、複数のSバネ14を、シートクッション4裏面側に配設しつつ、フレーム部材4Fに取付ける。
そしてシートバック6(詳細後述)は、シートクッション4に起倒可能に連結する部材であり、中央部位16aと、側部位16bと、送風装置40を有する(図1〜図6を参照)。
図4を参照して、中央部位16aは、着座状態の乗員胴体部(肩部,背部,腰部)に当接可能な部位であり、シートバック6中央に形成される(図4の二点破線CRで囲まれる部分を参照)。
また側部位16bは、着座状態の乗員胴体部に非当接の部位であり、中央部位16aの側方に形成される。本実施例の側部位16bは、中央部位16aの側方下部(乗員腰部の側方)に形成できる。
<Example 1>
The seat cushion 4 has an S spring 14 (a linear member bent in a substantially S shape) (see FIGS. 1 and 7). In this embodiment, a plurality of S springs 14 are attached to the frame member 4F while being arranged on the back side of the seat cushion 4.
And the seat back 6 (detailed later) is a member that is connected to the seat cushion 4 so as to be able to rise and fall, and has a central portion 16a, a side portion 16b, and a blower 40 (see FIGS. 1 to 6).
Referring to FIG. 4, the central portion 16 a is a portion capable of contacting the seated occupant trunk (shoulder, back, waist) and is formed at the center of the seat back 6 (two-dot broken line in FIG. 4). (See the part surrounded by CR).
Further, the side portion 16b is a portion that is not in contact with the seated occupant trunk, and is formed on the side of the central portion 16a. The side part 16b of the present embodiment can be formed in the lower side part of the central part 16a (the side of the occupant waist).

そして本実施例では、シートバック6内の送風装置40に外気を供給しつつ、送風装置40から吹出される気体を乗員に送風する(図3を参照)。この種のシート構成では、乗員の着座状態に応じて効率良く送風できることが望ましい。
例えば通常着座時においては、専ら中央部位16aから送風を行うことが望ましい(図4を参照)。そしてシートバック6に乗員がもたれかかった場合(中央部位16aに乗員胴体部が当接した場合)には、専ら側部位16bから送風を行うことが望ましい。
そこで本実施例では、後述の構成により、乗員の着座状態に応じて効率良く送風することとした。以下各構成について詳述する。
And in a present Example, the gas blown from the air blower 40 is ventilated to a passenger | crew, supplying external air to the air blower 40 in the seat back 6 (refer FIG. 3). In this type of seat configuration, it is desirable that air can be efficiently blown according to the seating state of the occupant.
For example, during normal sitting, it is desirable to blow air exclusively from the central portion 16a (see FIG. 4). When the occupant leans against the seat back 6 (when the occupant body part comes into contact with the central portion 16a), it is desirable to blow air exclusively from the side portion 16b.
Therefore, in this embodiment, air is efficiently blown according to the seating state of the occupant with the configuration described later. Each configuration will be described in detail below.

本実施例のシートバック6は、基本構成(6F,6S,6P)と、送風装置40と、ダクト部材50と、下帯部材60と、供給部70と、流路部80を有する(各部材の詳細は後述、図2〜図6を参照)。
そしてフレーム部材6Fに送風装置40を配設したのち、フレーム部材6F上にクッション材6Pを配置しつつ表皮材6Sで被覆する(図2及び図3を参照)。つぎに下帯部材60(供給部70)から、ダクト部材50を通じて送風装置40に外気を供給しつつ、送風装置40から吹出される気体を、流路部80を通じて乗員に送風する。
The seat back 6 of the present embodiment includes a basic configuration (6F, 6S, 6P), a blower 40, a duct member 50, a lower belt member 60, a supply unit 70, and a flow path unit 80 (each member). (See FIGS. 2 to 6 below for details).
And after arrange | positioning the air blower 40 to the frame member 6F, it coat | covers with the skin material 6S, arrange | positioning the cushioning material 6P on the frame member 6F (refer FIG.2 and FIG.3). Next, the air blown from the blower 40 is blown to the occupant through the flow path 80 while supplying outside air to the blower 40 through the duct member 50 from the lower belt member 60 (supply unit 70).

(フレーム部材)
フレーム部材6F(アーチ状の枠部材)は、上部フレーム6aと、一対の側部フレーム6bと、下部フレーム6cと、リクライニング軸Rと、支持ブラケット30を有する(図2を参照)。
上部フレーム6aは、シート上部をなす部材(正面視で略逆U字状)である。また下部フレーム6cは、シート下部において一対の側部フレーム6b間に橋渡しされた平板部材である。
そして一対の側部フレーム6bは、それぞれシート側部をなす平板部材であり、上部フレーム6aの下端に取付けられる。一対の側部フレーム6bの下端付近には、リクライニング軸Rが橋渡し状に取付けられる。リクライニング軸Rは、シートクッション4に対してシートバック6が起倒する際の回転中心である(図1を参照)。
(Frame member)
The frame member 6F (arch-shaped frame member) includes an upper frame 6a, a pair of side frames 6b, a lower frame 6c, a reclining shaft R, and a support bracket 30 (see FIG. 2).
The upper frame 6a is a member (substantially inverted U shape in front view) that forms the upper part of the seat. The lower frame 6c is a flat plate member bridged between the pair of side frames 6b at the lower part of the seat.
The pair of side frames 6b is a flat plate member that forms a seat side, and is attached to the lower end of the upper frame 6a. A reclining shaft R is attached in a bridging manner near the lower ends of the pair of side frames 6b. The reclining axis R is the center of rotation when the seat back 6 is tilted with respect to the seat cushion 4 (see FIG. 1).

(支持ブラケット)
支持ブラケット30は、平板部材(略長方形状)であり、一対の連通孔32と、被取付け部34と、一対の第一ワイヤ36fと、一対の第二ワイヤ36sを有する(図2を参照)。
一対の連通孔32は、それぞれ送風装置40(後述)に連通可能な貫通孔であり、支持ブラケット30中央に設けることができる。また被取付け部34は、ネジ部材N1を挿設可能な孔部(貫通孔又は非貫通孔)であり、連通孔32の上方に設けることができる。
(Support bracket)
The support bracket 30 is a flat plate member (substantially rectangular shape), and includes a pair of communication holes 32, a mounted portion 34, a pair of first wires 36f, and a pair of second wires 36s (see FIG. 2). .
The pair of communication holes 32 are through holes that can communicate with the blower 40 (described later), respectively, and can be provided at the center of the support bracket 30. The attached portion 34 is a hole (through hole or non-through hole) into which the screw member N <b> 1 can be inserted, and can be provided above the communication hole 32.

そして一対の第一ワイヤ36fは、それぞれ略L字状の線状部材であり、支持ブラケット30の上部両端に取付けられてシート上方に延びる。また一対の第二ワイヤ36sは、下部フレーム6cを挟持可能に屈曲する線状部材(側面視で略逆Y字状)であり、支持ブラケット30の下部両端に取付けられてシート下方に延びる。
本実施例では、フレーム部材6F内に支持ブラケット30を配置しつつ、一対の第一ワイヤ36fを上部フレーム6aに取付けるとともに、一対の第二ワイヤ36sを下部フレーム6cに取付ける。そして支持ブラケット30の上部(連通孔32の上方)に、後述の送風装置40を取付ける。
Each of the pair of first wires 36f is a substantially L-shaped linear member, and is attached to both upper ends of the support bracket 30 and extends above the seat. The pair of second wires 36s is a linear member (substantially Y-shaped in a side view) that is bent so as to sandwich the lower frame 6c, and is attached to both lower ends of the support bracket 30 and extends below the seat.
In the present embodiment, the pair of first wires 36f are attached to the upper frame 6a and the pair of second wires 36s are attached to the lower frame 6c while the support bracket 30 is disposed in the frame member 6F. A blower 40 described later is attached to the upper portion of the support bracket 30 (above the communication hole 32).

(送風装置)
送風装置40は、中空の箱体(短尺な円筒状)であり、送風機構42と、第一開口部44fと、第二開口部44sと、管部材46と、基本取付け部47と、第一取付け部48を有する(図2及び図3を参照)。管部材46(典型的に蛇腹状)は、送風装置40と流路部80(後述)を連通する管材である。
送風機構42は、小径の円筒状部材であり、送風装置40内に収納できる。送風機構42として、例えば遠心式の機構(装置軸方向から吸気しつつ遠心方向に送風する機構)を使用できる。この種の送風機構42として、多翼ファン(シロッコファン)、プレートファン、ターボファン、翼形ファン、リミットロードファンを例示できる。
(Blower)
The blower 40 is a hollow box (short cylindrical shape), and includes a blower mechanism 42, a first opening 44f, a second opening 44s, a pipe member 46, a basic attachment 47, and a first. It has the attachment part 48 (refer FIG.2 and FIG.3). The pipe member 46 (typically bellows-like) is a pipe material that communicates the air blower 40 and the flow path portion 80 (described later).
The blower mechanism 42 is a small-diameter cylindrical member and can be stored in the blower 40. As the blower mechanism 42, for example, a centrifugal mechanism (a mechanism that blows air in the centrifugal direction while sucking air from the apparatus axial direction) can be used. Examples of this type of air blowing mechanism 42 include a multi-blade fan (sirocco fan), a plate fan, a turbo fan, an airfoil fan, and a limit load fan.

また第一開口部44fは、送風装置40の後面側(装置の軸方向)に形成された貫通孔であり、送風機構42に気体(外気)を供給できる。また第二開口部44sは、送風装置40の周面側(装置の遠心方向)に形成された貫通孔であり、送風機構42から吹出される気体を装置外部に排出(送風)できる。
そして基本取付け部47は、送風装置40の径方向外方に突出する平板部位であり、ネジ部材N1を挿設可能なネジ孔(符号省略)を有する。基本取付け部47は、送風装置40の側部上端及び側部下端(被取付け部に対面可能な位置)に設けることができる。
また第一取付け部48は、送風装置40(側部中間)の径方向外方に突出する平板部位(正面視で略V字状)である。第一取付け部48は、シート前後に開口するネジ孔(符号省略)を有して、ネジ部材N2を挿設可能である。
The first opening 44 f is a through hole formed on the rear surface side (the axial direction of the device) of the blower 40 and can supply gas (outside air) to the blower mechanism 42. The second opening 44s is a through hole formed on the peripheral surface side (centrifugal direction of the device) of the blower 40, and can discharge (blow) the gas blown from the blower mechanism 42 to the outside of the device.
And the basic attachment part 47 is a flat plate part which protrudes to the radial direction outward of the air blower 40, and has the screw hole (code | symbol abbreviation | omission) which can insert the screw member N1. The basic attachment portion 47 can be provided at the side upper end and the side lower end of the air blower 40 (positions that can face the attached portion).
The first mounting portion 48 is a flat plate portion (substantially V-shaped in front view) protruding outward in the radial direction of the blower 40 (in the middle of the side portion). The first attachment portion 48 has a screw hole (reference numeral omitted) that opens in the front and rear of the seat, and the screw member N2 can be inserted therein.

(ダクト部材)
ダクト部材50は、送風装置40と供給部70(後述)を連通可能な管材であり、蛇腹部52と、第一導通部54fと、第二導通部54sと、第二取付け部58を有する(図2及び図3を参照)。
蛇腹部52は、ダクト部材50の途中に設けられた部位(アコーディオン状)であり、曲がり変形可能である。
また第一導通部54fは、送風装置40(第一開口部44f)を臨む位置に開口する部位であり、第二導通部54sは、供給部70を臨む位置に開口する部位である。
そして第二取付け部58は、ダクト部材50の外方に(第一取付け部48に対面可能な位置に)突出する平板部位である。第二取付け部58は、シート前後に開口するネジ孔(符号省略)を有して、ネジ部材N2を挿設可能である。
(Duct member)
The duct member 50 is a tube material that allows communication between the blower 40 and a supply unit 70 (described later), and includes a bellows part 52, a first conduction part 54f, a second conduction part 54s, and a second attachment part 58 ( (See FIGS. 2 and 3).
The bellows portion 52 is a portion (accordion shape) provided in the middle of the duct member 50 and can be bent and deformed.
The first conduction part 54f is a part that opens to a position facing the blower 40 (first opening 44f), and the second conduction part 54s is a part that opens to a position facing the supply part 70.
The second mounting portion 58 is a flat plate portion that protrudes outward from the duct member 50 (at a position where it can face the first mounting portion 48). The second attachment portion 58 has a screw hole (reference numeral omitted) that opens in the front and rear of the seat, and can be inserted with a screw member N2.

[送風装置の取付け作業]
本実施例では、送風装置40を、支持ブラケット30の上部中央(連通孔32の上方)に配置して取付ける(図2を参照)。
このとき基本取付け部47と被取付け部34をネジ部材N1にてネジ止めすることで、支持ブラケット30に送風装置40を取付ける。
つぎに第一取付け部48と第二取付け部58を対面しつつ、ネジ部材N2にてネジ止めすることで、送風装置40にダクト部材50を取付ける。このとき第一導通部54fを第一開口部44fに連通することで、後述するようにダクト部材50から送風装置40に外気を供給可能とする。
[Blower installation]
In the present embodiment, the blower 40 is disposed and attached to the upper center of the support bracket 30 (above the communication hole 32) (see FIG. 2).
At this time, the blower 40 is attached to the support bracket 30 by screwing the basic attachment portion 47 and the attached portion 34 with the screw member N1.
Next, the duct member 50 is attached to the blower 40 by screwing with the screw member N2 while facing the first attachment portion 48 and the second attachment portion 58. At this time, the first conducting portion 54f is communicated with the first opening 44f, so that outside air can be supplied from the duct member 50 to the blower device 40 as will be described later.

(クッション材)
クッション材6Pは、シート外形をなす略長方形状の部材であり、後述の流路部80を有する(図3〜図5を参照)。クッション材6Pの裏面には、バッキング層B(樹脂製の保護層)を形成することができる。
クッション材6P(材質)は特に限定しないが、ポリウレタンフォームなどの弾性力を有する樹脂を例示できる。
本実施例では、クッション材6P(着座側)が、溝部C(正面視で略H字状)によって四分割されており、複数の部位(第一天板面6Paと、第二天板面6Pdと、一対の側部面6Pb,6Pc)に区画される。
一対の側部面6Pb,6Pcは、それぞれシート側部をなす部位である。
また第一天板面6Paは、着座部となる部分の上部側の部位であり、第二天板面6Pdは着座部となる部分の下部側の部位である。本実施例では、起立状態のシートバック6において、第一天板面6Paが上から略1/3を占め、第二天板面6Pdがその他の略2/3を占める。そして中央部位16aが、第二天板面6Pdの中央に形成され、側部位16bが、第二天板面6Pdの下部側方に形成される。
(Cushion material)
The cushion material 6 </ b> P is a substantially rectangular member that forms the outer shape of the seat, and includes a flow path portion 80 described later (see FIGS. 3 to 5). A backing layer B (resin protective layer) can be formed on the back surface of the cushion material 6P.
The cushion material 6P (material) is not particularly limited, and examples thereof include a resin having elasticity such as polyurethane foam.
In this embodiment, the cushion material 6P (seat side) is divided into four by a groove C (substantially H-shaped in a front view), and a plurality of parts (first top plate surface 6Pa and second top plate surface 6Pd). And a pair of side surface 6Pb, 6Pc).
The pair of side surface surfaces 6Pb and 6Pc are portions that form sheet side portions, respectively.
The first top plate surface 6Pa is a portion on the upper side of the portion serving as the seating portion, and the second top plate surface 6Pd is a portion on the lower side of the portion serving as the seating portion. In the present embodiment, in the seat back 6 in the standing state, the first top plate surface 6Pa occupies approximately 1/3 from above, and the second top plate surface 6Pd occupies approximately 2/3. A central portion 16a is formed at the center of the second top plate surface 6Pd, and a side portion 16b is formed at the lower side of the second top plate surface 6Pd.

(流路部)
流路部80は、送風装置40の送風を着座側に導く流路であり、一対の孔部82と、連通部(84f,84s)と、蓋部材86を有する(図3及び図4を参照)。
一対の孔部82は、クッション材6Pを厚み方向に貫通する貫通孔であり、クッション材6Pの中央(連通孔32に対面可能な位置)に設けることができる。
また連通部は、クッション材6P着座側の凹部位(溝状)であり、第一部位84fと、第二部位84sを有する。第一部位84fは、孔部82から三又に分かれる部分であり、それぞれ孔部82からシート幅方向に伸びて第二部位84sに連通する。また第二部位84sは、シート上下に延びる部分であり、シート側部に形成できる。
(Flow path part)
The flow path portion 80 is a flow path that guides the air blown by the blower 40 to the seating side, and includes a pair of hole portions 82, communication portions (84f, 84s), and a lid member 86 (see FIGS. 3 and 4). ).
The pair of holes 82 are through-holes that penetrate the cushion material 6P in the thickness direction, and can be provided at the center of the cushion material 6P (positions that can face the communication hole 32).
Further, the communication portion is in a recessed position (groove shape) on the cushioning material 6P seating side, and has a first portion 84f and a second portion 84s. The first portion 84f is a portion that is divided into three parts from the hole portion 82, and extends from the hole portion 82 in the sheet width direction and communicates with the second portion 84s. The second portion 84s is a portion extending up and down the sheet and can be formed on the side of the sheet.

そして本実施例では、第二天板面6Pdに、一対の孔部82と連通部(84f,84s)を設けることができる。例えばシートバック6の中央(第二天板面6Pdの上部中央)に一対の孔部82を設けるとともに、一対の連通部(84f,84s)を、シートバック6の中心線を挟んで線対称(左右対称)に設ける(図4及び図5を参照)。
このとき本実施例では、各第一部位84fを、乗員背部に対面する部位(中央部位16aの一部)に形成して、第二天板面6Pdの上部に配置する(図4の二点破線CRで囲まれる部分を参照)。また各第二部位84sを、乗員肩部に対面する部位(中央部位16aの他部)と、乗員腰部の側方(側部位16b)に渡って形成して、第二天板面6Pdの側部に配置する。
In this embodiment, the second top plate surface 6Pd can be provided with a pair of holes 82 and communication portions (84f, 84s). For example, a pair of hole portions 82 are provided in the center of the seat back 6 (the upper center of the second top plate surface 6Pd), and the pair of communication portions (84f, 84s) are symmetrical with respect to the center line of the seat back 6 ( (Refer to FIGS. 4 and 5).
At this time, in this embodiment, each first part 84f is formed in a part (a part of the central part 16a) facing the occupant's back and disposed on the second top plate surface 6Pd (two points in FIG. 4). (See the portion surrounded by the broken line CR). Each second part 84s is formed across a part facing the occupant shoulder (the other part of the central part 16a) and a side of the occupant waist (side part 16b), and the second top plate surface 6Pd side. Placed in the section.

蓋部材86は、略矩形(正面視)の平板部材であり、複数の通気孔88(88a〜88d)を有する。蓋部材86(材質)は特に限定しないが、典型的にクッション材6Pと同一材質である。
複数の通気孔88(88a〜88d)は、それぞれ蓋部材86を厚み方向に貫通する貫通孔であり、上述の連通部(84f,84s)に沿って形成できる(詳細後述)。
そして本実施例では、後述するように、シートバック6の位置に応じて通気孔88の構成(形成数や孔径)を適宜調整する。こうすることで中央部位16a(第二天板面6Pdの上部)の方が、側部位16b(第二天板面6Pdの下部側方)よりも気体の供給量が多くなるように(多量に送風可能に)設定できる。
The lid member 86 is a substantially rectangular (front view) flat plate member and has a plurality of vent holes 88 (88a to 88d). The lid member 86 (material) is not particularly limited, but is typically the same material as the cushion material 6P.
The plurality of vent holes 88 (88a to 88d) are through-holes penetrating the lid member 86 in the thickness direction, and can be formed along the above-described communication portions (84f, 84s) (details will be described later).
In the present embodiment, as will be described later, the configuration (number of formation and hole diameter) of the vent holes 88 is appropriately adjusted according to the position of the seat back 6. In this way, the central portion 16a (upper part of the second top plate surface 6Pd) is supplied with a larger amount of gas than the side portion 16b (lower side of the second top plate surface 6Pd) (in a large amount). Can be set)

(中央通気孔・側部通気孔)
本実施例では、通気孔88として、中央通気孔(88a,88b,88c)と、側部通気孔88dを形成する(図4及び図5では、便宜上、一部の通気孔にのみ符号を付す)。
中央通気孔(第一通気孔88a,第二通気孔88b,第三通気孔88c)は中央部位16aに形成でき、側部通気孔88dは側部位16bに形成できる。
すなわち第一通気孔88a(略楕円形)は、中央部位16aの一部(乗員背部に対面する部位)の貫通孔であり、第一部位84fに沿って形成できる。また第二通気孔88b(略楕円形)は、中央部位16aの他部(乗員肩部に対面する部位)の通気孔であり、第二部位84s(上部側)に沿って形成できる。また第三通気孔88c(略円形)は、乗員背部と乗員肩部の間の通気孔であり、第一部位84fに沿って形成できる。
そして側部通気孔88d(略円形)は、側部位16b(乗員腰部の側方)の貫通孔であり、第二部位84s(下部側)に沿って形成できる。
(Central vent / side vent)
In the present embodiment, the central vent holes (88a, 88b, 88c) and the side vent holes 88d are formed as the vent holes 88 (in FIG. 4 and FIG. 5, only a part of the vent holes are provided with symbols for convenience). .
The central vent holes (first vent hole 88a, second vent hole 88b, third vent hole 88c) can be formed in the central portion 16a, and the side vent holes 88d can be formed in the side portion 16b.
That is, the first vent hole 88a (substantially oval) is a through hole in a part of the central portion 16a (a portion facing the back of the occupant) and can be formed along the first portion 84f. The second vent 88b (substantially oval) is a vent in the other part of the central part 16a (part facing the passenger shoulder) and can be formed along the second part 84s (upper side). The third ventilation hole 88c (substantially circular) is a ventilation hole between the occupant back and the occupant shoulder, and can be formed along the first part 84f.
The side vent hole 88d (substantially circular) is a through hole in the side portion 16b (side of the occupant waist) and can be formed along the second portion 84s (lower side).

本実施例では、中央通気孔(88a〜88c)の形成数を、側部通気孔88dよりも多くする。さらに中央通気孔(88a〜88c)の開口寸法を、側部通気孔88dよりも大きくする。こうすることで中央部位16a(中央通気孔88a,88b,88c)から、側部位16b(側部通気孔88d)よりも多量に送風可能に設定できる。
なお本実施例では、第一通気孔88a(乗員背部)と第二通気孔88b(乗員肩部)の順に開口寸法を小さくすることが望ましい。こうすることで乗員の非当接時においては、乗員の胴体部の中心に近づくほど多量に送風可能となる。
In this embodiment, the number of central vent holes (88a to 88c) formed is larger than that of the side vent holes 88d. Further, the opening size of the central vent hole (88a to 88c) is made larger than that of the side vent hole 88d. By doing so, it can be set so that a larger amount of air can be blown from the central part 16a (central vent holes 88a, 88b, 88c) than the side part 16b (side vent hole 88d).
In the present embodiment, it is desirable to reduce the opening size in the order of the first vent hole 88a (occupant back) and the second vent hole 88b (occupant shoulder). By doing so, when the occupant is not in contact, a larger amount of air can be blown toward the center of the trunk of the occupant.

[流路部の連通]
本実施例では、クッション材6Pの着座側に蓋部材86を配置して、連通部(84f,84s)と孔部82を密閉状態とする(図3〜図5を参照)。このとき本実施例では、複数の通気孔88(88a〜88d)を、それぞれ対応する連通部(84f,84s)に沿って配置する。
つぎにクッション材6Pを、フレーム部材6Fの着座側に配置する。このとき一対の孔部82を、それぞれ連通孔32に対面配置しつつ、クッション材6Pを支持ブラケット30上に配置する。
そして管部材46の一端を第二開口部44sに連通して、管部材46の他端を連通孔32に接続する。こうすることで送風装置40から吹出される気体が、孔部82と連通部84f,84sを通過して、複数の通気孔88(88a〜88d)に供給可能となる。
[Communication of flow channel]
In the present embodiment, the lid member 86 is disposed on the seating side of the cushion material 6P, and the communication portions (84f, 84s) and the hole portion 82 are hermetically sealed (see FIGS. 3 to 5). At this time, in this embodiment, the plurality of vent holes 88 (88a to 88d) are arranged along the corresponding communicating portions (84f, 84s).
Next, the cushion material 6P is disposed on the seating side of the frame member 6F. At this time, the cushion material 6 </ b> P is disposed on the support bracket 30 while the pair of hole portions 82 are disposed facing the communication holes 32.
Then, one end of the tube member 46 is communicated with the second opening 44 s and the other end of the tube member 46 is connected to the communication hole 32. By doing so, the gas blown from the blower 40 can be supplied to the plurality of vent holes 88 (88a to 88d) through the hole 82 and the communication portions 84f and 84s.

(表皮材)
表皮材6Sは、クッション材6Pを被覆可能な袋状部材であり、後述の下帯部材60と、供給部70を有する(図3及び図6を参照)。なお表皮材6Sの上部には、ステー部材を挿設するための一対の孔部Hが形成される。
表皮材6S(素材)は特に限定しないが、通気性を有する布帛(織物,編物,不織布)を例示できる。
(Skin material)
The skin material 6S is a bag-like member that can cover the cushion material 6P, and includes a lower belt member 60 and a supply unit 70 described later (see FIGS. 3 and 6). A pair of holes H for inserting the stay member are formed in the upper part of the skin material 6S.
The skin material 6S (material) is not particularly limited, and examples thereof include breathable fabrics (woven fabrics, knitted fabrics, and nonwoven fabrics).

(下帯部材)
下帯部材60は、シートクッション4とシートバック6の連結部分を被う面状部材であり、係止部62と、取付け孔部64を有する(図3及び図6を参照)。
係止部62は、ベルト状の部材であり、典型的に伸縮性を有する。また取付け孔部64は、後述の供給部70を取付け可能な貫通孔(略長方形状)であり、下帯部材60の中央に設けることができる。
本実施例では、下帯部材60の一端に係止部62を取付けたのち、下帯部材60の他端を表皮材6Sの下部に縫合して取付ける。
ここで下帯部材60(素材)は特に限定しないが、表皮材6Sよりも剛性の高い素材であることが望ましい。この種の下帯部材60(剛性の高い素材)として、樹脂を浸含させた布帛、フェルト、皮革を例示できる。下帯部材60(剛性の高い部材)によれば、乗員の接触による型崩れを防止できるとともに、供給部70(後述)を安定性よく取付けることができる。
(Lower belt member)
The lower belt member 60 is a planar member that covers the connecting portion of the seat cushion 4 and the seat back 6, and includes a locking portion 62 and an attachment hole portion 64 (see FIGS. 3 and 6).
The locking part 62 is a belt-like member and typically has elasticity. The attachment hole 64 is a through hole (substantially rectangular shape) to which a supply unit 70 described later can be attached, and can be provided at the center of the lower belt member 60.
In this embodiment, after the locking portion 62 is attached to one end of the lower belt member 60, the other end of the lower belt member 60 is attached to the lower portion of the skin material 6S by sewing.
Here, the lower belt member 60 (material) is not particularly limited, but is desirably a material having higher rigidity than the skin material 6S. Examples of this type of lower belt member 60 (a material having high rigidity) include cloth, felt, and leather impregnated with resin. According to the lower belt member 60 (a member having high rigidity), it is possible to prevent the deformation due to the contact of the passenger, and it is possible to attach the supply unit 70 (described later) with high stability.

(供給部)
供給部70は、送風装置40に外気を供給する部位であり、第一部材72fと、第二部材72sを有する(図3を参照)。
ここで供給部70(第一部材72f,第二部材72s)の材質は特に限定しないが、熱可塑性樹脂(ポリプロピレン,塩化ビニル樹脂,ポリエチレン)、熱硬化性樹脂(フェノール樹脂,メラミン樹脂,エポキシ樹脂,ユリア樹脂)を例示できる。なお供給部70を、可撓性を有する樹脂で構成することにより、シート外形に沿った湾曲状に変形させることができる(見栄えのよいシート構成となる)。例えば供給部70を、ゴム(天然ゴム,合成ゴム)やエラストマ等で形成することにより適度な可撓性を付与できる。
(Supply section)
The supply part 70 is a site | part which supplies external air to the air blower 40, and has the 1st member 72f and the 2nd member 72s (refer FIG. 3).
Here, the material of the supply unit 70 (first member 72f, second member 72s) is not particularly limited, but thermoplastic resin (polypropylene, vinyl chloride resin, polyethylene), thermosetting resin (phenol resin, melamine resin, epoxy resin). , Urea resin). In addition, by comprising the supply part 70 with the resin which has flexibility, it can be changed into the curved shape along the sheet | seat external shape (it becomes a sheet | seat structure with a good appearance). For example, moderate flexibility can be provided by forming the supply part 70 with rubber | gum (natural rubber | gum, synthetic rubber), an elastomer, etc.

第一部材72fは、略長方形状(取付け孔部64に倣った形状)の平板部材であり、第一供給口71と、係止爪74と、組付け爪76を有する(図3及び図6を参照)。
第一供給口71は、第一部材72fの長手方向に延びる複数の貫通孔Hと、各貫通孔Hに対して直角に交わる複数の格子部Gを有する。また係止爪74は、第一部材72f(裏面)の縁部を屈曲させた凸部位である。
組付け爪76は、第一部材72fの裏面に立設する平板部分であり、組付け爪76の先端には、複数の返し部が設けられる。返し部は、第一供給口71の外方に向かって突出する。本実施例では、第一部材72fの中央に第一供給口71を形成するとともに、複数の組付け爪76を第一供給口71周りに形成する。
The first member 72f is a flat plate member having a substantially rectangular shape (a shape following the mounting hole 64), and includes a first supply port 71, a locking claw 74, and an assembly claw 76 (FIGS. 3 and 6). See).
The first supply port 71 has a plurality of through holes H extending in the longitudinal direction of the first member 72 f and a plurality of lattice portions G that intersect at right angles to the respective through holes H. The locking claw 74 is a convex part where the edge of the first member 72f (back surface) is bent.
The assembly claw 76 is a flat plate portion standing on the back surface of the first member 72 f, and a plurality of return portions are provided at the tip of the assembly claw 76. The return portion protrudes outward from the first supply port 71. In the present embodiment, the first supply port 71 is formed at the center of the first member 72 f and a plurality of assembly claws 76 are formed around the first supply port 71.

また第二部材72sは、第一部材72fに倣った形状(略長方形状)の平板部材であり、第二供給口72と、立設部73を有する。
第二供給口72(縦長の貫通孔)は、第一供給口71(複数の貫通孔)に対面配置して、複数の組付け爪76(全て)を挿入可能な開口寸法を有する。また立設部73は、第二供給口72の周囲に立設する平板部位であり、パッド材56(輪状の弾性部材)を嵌装できる。
The second member 72s is a flat plate member having a shape (substantially rectangular shape) following the first member 72f, and includes a second supply port 72 and a standing portion 73.
The 2nd supply port 72 (vertically long through-hole) is faced to the 1st supply port 71 (a plurality of through-holes), and has the opening size which can insert a plurality of assembly claws 76 (all). The standing portion 73 is a flat plate portion standing around the second supply port 72 and can be fitted with a pad material 56 (ring-shaped elastic member).

[供給部の配設]
本実施例では、取付け孔部64に供給部70を挿設する(図3及び図6を参照)。このとき下帯部材60の表面側に第一部材72fを配置して、下帯部材60の裏面側に第二部材72sを配置する。
つぎに下帯部材60に係止爪74を押し当てつつ(食い込ませつつ)、複数の組付け爪76を、第二供給口72の周縁に係止することで、供給部70を、下帯部材60に組付ける。本実施例では、下帯部材60が、表皮材6Sよりも剛性の高い面状部材であるため、供給部70(樹脂製)を安定性良く取付けることができる。
[Distribution of supply section]
In the present embodiment, the supply unit 70 is inserted into the attachment hole 64 (see FIGS. 3 and 6). At this time, the first member 72f is disposed on the front surface side of the lower belt member 60, and the second member 72s is disposed on the back surface side of the lower belt member 60.
Next, while pressing the engaging claw 74 against the lower band member 60 (while biting), the plurality of assembly claws 76 are engaged with the peripheral edge of the second supply port 72, so that the supply unit 70 is The member 60 is assembled. In the present embodiment, since the lower belt member 60 is a planar member having rigidity higher than that of the skin material 6S, the supply unit 70 (made of resin) can be attached with high stability.

さらにダクト部材50(第二導通部54s)と供給部70を連通することで、下帯部材60の供給部70から外気を取り入れつつ、ダクト部材50を通じて送風装置40に供給できる。
このとき立設部73周りにパッド材56を嵌装して、ダクト部材50と供給部70の間に介装することにより、両部間のエア漏れを防止又は低減できる(シート性能に優れる構成となる)。なおパッド材56の代替として、蛇腹状の管部材(図示省略)を、ダクト部材50と供給部70の間に介装することもできる。
Furthermore, the duct member 50 (second conducting portion 54s) and the supply unit 70 are communicated with each other, so that the outside air can be taken in from the supply unit 70 of the lower belt member 60 and supplied to the blower 40 through the duct member 50.
At this time, the pad material 56 is fitted around the upright portion 73 and interposed between the duct member 50 and the supply portion 70, thereby preventing or reducing air leakage between the two portions (configuration with excellent sheet performance). Become). As an alternative to the pad material 56, a bellows-like tube member (not shown) can be interposed between the duct member 50 and the supply unit 70.

そしてクッション材6Pと送風装置40を表皮材6Sで被覆する。つぎに下帯部材60の一端側をシートクッション4下方に引入れつつ、係止部62を、フレーム部材4F(Sバネ14)に係止する(図3及び図7を参照)。
このように下帯部材60により、シートバック6とシートクッション4の連結部分を被うことで、シートの見栄えを向上させることができる。また下帯部材60がシート下方に配置することで、供給部70が、比較的目立たない位置に配置される。
Then, the cushion material 6P and the blower 40 are covered with the skin material 6S. Next, the locking portion 62 is locked to the frame member 4F (S spring 14) while drawing one end side of the lower belt member 60 below the seat cushion 4 (see FIGS. 3 and 7).
Thus, the appearance of the seat can be improved by covering the connecting portion of the seat back 6 and the seat cushion 4 with the lower belt member 60. Further, since the lower belt member 60 is disposed below the seat, the supply unit 70 is disposed at a relatively inconspicuous position.

[送風装置の駆動]
図3〜図5を参照して、送風装置40に外気を供給しつつ、送風装置40から吹出される気体を、流路部80を介して乗員に送風する。
このとき本実施例では、乗員の非当接時にて、中央部位16a(中央通気孔88a,88b,88c)から、側部位16b(側部通気孔88d)よりも多量に送風できる。
またシートバック6に乗員がもたれかかるなどして、中央部位16a(中央通気孔88a,88b,88c)が乗員の当接にて閉塞したときは、側部位16b(側部通気孔88d)から送風(メリハリ良く送風)できる。
さらに乗員背部のみが当接して第一通気孔88aが閉塞した場合には、第二通気孔88bと、第三通気孔88cと、側部通気孔88dから送風できる。
このように本実施例によれば、乗員の着座状態に応じて、中央通気孔88a,88b,88cと側部通気孔88dの少なくとも一方から送風可能である。このため本実施例によれば、複数の通気孔88(88a〜88d)によって、乗員の着座状態に応じて効率良く送風できる。
[Driving device]
With reference to FIG. 3 to FIG. 5, the gas blown from the blower 40 is blown to the occupant through the flow path unit 80 while supplying outside air to the blower 40.
At this time, in the present embodiment, when the occupant is not in contact, a larger amount of air can be blown from the central portion 16a (central vent holes 88a, 88b, 88c) than the side portion 16b (side vent hole 88d).
Further, when the occupant leans against the seat back 6 and the central portion 16a (central vent holes 88a, 88b, 88c) is blocked by the occupant's contact, air is blown from the side portion 16b (side vent hole 88d) ( It can blow well).
Furthermore, when only the passenger | crew back part contact | abuts and the 1st ventilation hole 88a obstruct | occludes, it can ventilate from the 2nd ventilation hole 88b, the 3rd ventilation hole 88c, and the side part ventilation hole 88d.
Thus, according to the present embodiment, air can be blown from at least one of the central vent holes 88a, 88b, 88c and the side vent holes 88d in accordance with the seated state of the occupant. For this reason, according to the present Example, it can blow efficiently according to a passenger | crew's seating state by several vent hole 88 (88a-88d).

[変形例]
本変形例では、複数の側部位(乗員腰部の側方下部,乗員肩部の側方上部,乗員首部の対面位置)の少なくとも一部位をシートバック6に形成する(図8を参照)。そして各側部位に、それぞれ第二部位(84s,84sa,84sb)を形成できる。
すなわち乗員腰部の側方下部(第二天板面6Pdの下部両側)に、直線状の第二部位84sを形成して、第一部位84fに連通する。また乗員肩部の側方上部(第一天板面6Paの上部両側)に、直線状の第二部位84saを形成して、第一部位84fに連通する。そして乗員首部の対面位置(第一天板面6Paの中央)に、略逆V字状の第二部位84sbを形成して、第二部位84sbの両端部を、それぞれ第一部位84fに連通する。
そして複数の側部位(84s,84sa,84sb)の少なくとも一部位に側部通気孔88d(複数又は単数)を設けることで、乗員の着座状態に応じて効率良く送風できる。
[Modification]
In this modification, at least a part of a plurality of side portions (a lateral lower part of the occupant waist, a lateral upper part of the occupant shoulder, and a facing position of the occupant neck) is formed on the seat back 6 (see FIG. 8). And each 2nd site | part (84s, 84sa, 84sb) can be formed in each side site | part.
That is, a linear second portion 84s is formed on the side lower portion of the occupant waist (on both sides of the lower portion of the second top plate surface 6Pd) and communicates with the first portion 84f. Further, a linear second portion 84sa is formed on the lateral upper portion of the passenger shoulder (on both sides of the upper portion of the first top plate surface 6Pa) and communicates with the first portion 84f. Then, a substantially inverted V-shaped second portion 84sb is formed at the facing position of the passenger neck (center of the first top plate surface 6Pa), and both end portions of the second portion 84sb communicate with the first portion 84f, respectively. .
And by providing the side ventilation hole 88d (plural or singular) in at least a part of the plurality of side portions (84s, 84sa, 84sb), it is possible to efficiently blow air according to the seating state of the occupant.

本実施形態の車両用シートは、上述した実施形態に限定されるものではなく、その他各種の実施形態を取り得る。
(1)本実施形態では、シートバック6を一例に説明したが、本実施例の構成は、シートクッション4などのシート構成部材に適用可能である。例えばシートクッションの場合、乗員臀部及び乗員脚部に当接可能な位置が中央部位となり、乗員臀部の側方又は乗員脚部の側方等が側部位となる。そしてシートクッションのクッション材も、溝部によって、着座部を構成する部位が複数に分割(2分割,3分割等)されることがある。このときシート後側の天板面に流路部を形成することができる。
(2)また本実施形態では、複数の通気孔88として、中央通気孔(88a,88b,88c)と側部通気孔88dを例示したが、各連通孔の構成(形成数,開口寸法、形状等)を限定する趣旨ではない。
各通気孔は、円形、楕円形、三角形等の各種形状を採用できる。また各通気孔は、単数又は複数設けることができる。
The vehicle seat of the present embodiment is not limited to the above-described embodiment, and can take other various embodiments.
(1) Although the seat back 6 has been described as an example in the present embodiment, the configuration of the present embodiment can be applied to a seat constituent member such as the seat cushion 4. For example, in the case of a seat cushion, the position that can contact the occupant's buttocks and the occupant's legs is the central part, and the side of the occupant's buttocks or the side of the occupant's legs is the side part. Also, the cushion material of the seat cushion may be divided into a plurality of parts (two divisions, three divisions, and the like) by the groove portions. At this time, the flow path portion can be formed on the top plate surface on the rear side of the sheet.
(2) In the present embodiment, the central ventilation holes (88a, 88b, 88c) and the side ventilation holes 88d are exemplified as the plurality of ventilation holes 88. However, the configuration (number of formations, opening dimensions, shape, etc.) of each communication hole ) has name is intended to limit the.
Each vent can adopt various shapes such as a circle, an ellipse, and a triangle. Further, one or a plurality of the air holes can be provided.

(3)また本実施形態では、ダクト部材50によって、送風装置40と供給部70を連通する例を説明したが、ダクト部材50を省略することもできる。
(4)また本実施形態では、下帯部材60の構成を例示したが、下帯部材の構成を限定する趣旨ではない。例えば下帯部材の他端に係止部を取付けたのち、下帯部材の一端を、シートクッションの表皮材後部に縫合して取付けることができる。この場合には係止部を、シートバックのフレーム部材に係止することができる。また係止部として、Jフックを使用することもできる。
(3) In the present embodiment, the example in which the blower 40 and the supply unit 70 are communicated with each other by the duct member 50 has been described. However, the duct member 50 may be omitted.
(4) Moreover, in this embodiment, although the structure of the lower belt member 60 was illustrated, it is not the meaning which limits the structure of a lower belt member. For example, after attaching the locking portion to the other end of the lower belt member, one end of the lower belt member can be sewn and attached to the rear portion of the skin material of the seat cushion. In this case, the locking portion can be locked to the frame member of the seat back. Further, a J hook can be used as the locking portion.

(5)また本実施例では、供給部70の構成を例示したが、供給部の構成を限定する趣旨ではない。供給部の形状(正面視)は、円形、楕円形、三角形等の各種形状を採用できる。また供給部は、単数又は複数設けることができる。
(6)また本実施形態では、シートバック6の下部に供給部70を設ける例を説明したが、供給部の配設位置を限定する趣旨ではない。供給部は、シートクッションの後部、シートクッションとシートバックの間などに配置できる。
(5) In the present embodiment, the configuration of the supply unit 70 is illustrated, but the configuration of the supply unit is not limited. Various shapes such as a circle, an ellipse, and a triangle can be adopted as the shape of the supply unit (in front view). Further, one or more supply units can be provided.
(6) In the present embodiment, the example in which the supply unit 70 is provided in the lower part of the seat back 6 has been described. However, the present invention is not intended to limit the arrangement position of the supply unit. The supply unit can be disposed at the rear of the seat cushion, between the seat cushion and the seat back, and the like.

2 車両用シート
4 シートクッション
6 シートバック
8 ヘッドレスト
9 レール部材
6F フレーム部材
6P クッション材
6S 表皮材
16a 中央部位
16b 側部位
30 支持ブラケット
40 送風装置
50 ダクト部材
60 下帯部材
70 供給部
80 流路部
88 通気孔
88a 第一通気孔(中央通気孔)
88b 第二通気孔(中央通気孔)
88c 第三通気孔(中央通気孔)
88d 側部連通孔

2 Vehicle Seat 4 Seat Cushion 6 Seat Back 8 Headrest 9 Rail Member 6F Frame Member 6P Cushion Material 6S Skin Material 16a Central Part 16b Side Part 30 Support Bracket 40 Blower 50 Duct Member 60 Lower Belt Member 70 Supply Part 80 Channel Part 88 Vent hole 88a First vent hole (central vent hole)
88b Second vent (center vent)
88c 3rd vent (center vent)
88d Side communication hole

Claims (1)

シートクッションとシートバックの少なくとも一方の部材が、シート外形をなすクッション材を有して、シートクッション又はシートバックに配設された送風装置から吹出される気体を、前記クッション材の流路部を介して乗員に送風可能である車両用シートにおいて、
前記一方の部材が、着座状態の乗員胴体部又は脚部に当接可能な中央部位と、着座状態の乗員胴体部又は脚部に非当接の側部位を有するとともに、
前記流路部が、前記中央部位に形成された中央通気孔と、前記側部位に形成された側部通気孔と、前記中央通気孔と前記側部通気孔をシート内で連通する連通部とを有し、前記送風装置から吹出される気体を、前記連通部を通じて、前記中央通気孔と前記側部通気孔の少なくとも一方から前記乗員に送風可能とし、
前記中央部位に乗員胴体部又は脚部が当接するときに、前記中央通気孔から供給される送風量が前記側部通気孔から供給される送風量よりも少なく、且つ前記中央部位に乗員胴体部又は脚部が非当接のときに、前記中央通気孔から供給される送風量が前記側部通気孔から供給される送風量よりも多く、
前記中央通気孔として、第一通気孔と、前記第一通気孔よりも前記側部通気孔に近い位置に配置する第二通気孔とを有し、
前記第二通気孔の開口寸法が、前記第一通気孔の開口寸法よりも小さい車両用シート。
At least one member of the seat cushion and the seat back has a cushion material forming the outer shape of the seat, and the gas blown from the air blower disposed on the seat cushion or the seat back is passed through the flow path portion of the cushion material. In the vehicle seat that can blow air to the occupant,
The one member has a central portion that can contact the seated occupant torso or leg, and a side portion that does not contact the seated occupant torso or leg.
The flow path portion has a central vent formed in the central portion, a side vent formed in the side portion, and a communication portion that communicates the central vent and the side vent in the seat. Then, the gas blown from the blower can be blown to the occupant from at least one of the central vent and the side vent through the communication portion,
When the occupant torso or leg abuts against the central part, the amount of air supplied from the central vent is less than the amount of air supplied from the side vent, and the occupant torso or when the leg portion is non-contact, air volume supplied from the center through pores rather multi than blowing amount supplied from the side vent,
As the central vent, it has a first vent and a second vent arranged at a position closer to the side vent than the first vent,
A vehicle seat in which an opening size of the second ventilation hole is smaller than an opening size of the first ventilation hole .
JP2011094013A 2011-04-07 2011-04-20 Vehicle seat Active JP5742419B2 (en)

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