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JP5017816B2 - Vehicle seat pad - Google Patents

Vehicle seat pad Download PDF

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Publication number
JP5017816B2
JP5017816B2 JP2005237874A JP2005237874A JP5017816B2 JP 5017816 B2 JP5017816 B2 JP 5017816B2 JP 2005237874 A JP2005237874 A JP 2005237874A JP 2005237874 A JP2005237874 A JP 2005237874A JP 5017816 B2 JP5017816 B2 JP 5017816B2
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Prior art keywords
vehicle seat
seat pad
pad
recess
air permeability
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Expired - Fee Related
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JP2005237874A
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JP2007050133A (en
Inventor
友和 齊藤
一成 江部
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Bridgestone Corp
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Bridgestone Corp
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Priority to JP2005237874A priority Critical patent/JP5017816B2/en
Priority to DE602006021032T priority patent/DE602006021032D1/en
Priority to PCT/JP2006/315466 priority patent/WO2007020811A1/en
Priority to CN2006800015087A priority patent/CN101090653B/en
Priority to EP06782324A priority patent/EP1915927B1/en
Publication of JP2007050133A publication Critical patent/JP2007050133A/en
Priority to US11/783,352 priority patent/US7533941B2/en
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Publication of JP5017816B2 publication Critical patent/JP5017816B2/en
Expired - Fee Related legal-status Critical Current
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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Description

本発明は車両用シートパッドに係り、特に底面から上方に向って凹陥した凹所が設けられたパッド本体と、該凹所に挿填された挿填体とを備えてなる車両用シートパッドに関する。   The present invention relates to a vehicle seat pad, and more particularly to a vehicle seat pad including a pad body provided with a recess recessed upward from the bottom surface, and an insertion body inserted into the recess. .

特開平１１−３４７１０号公報及び特開２００５−５９６４６号公報には、パッド本体の底面から上方に向って凹部が設けられると共に、該凹部にスラブが挿入されており、該スラブの上面部分にセンサが設置された着座センサ付き座席が記載されている。
特開平１１−３４７１０号公報 特開２００５−５９６４６号公報 In JP-A-11-34710 and JP-A-2005-59646, a recess is provided upward from the bottom surface of the pad main body, and a slab is inserted into the recess, and a sensor is provided on the upper surface portion of the slab. A seat with a seating sensor installed is described.
JP 11-34710 A JP 2005-59646 A

本発明は、上記特開平１１−３４７１０号公報及び特開２００５−５９６４６号公報のようにパッド本体の底面から上方に向って凹所を設け、この凹所に挿填体を挿填した車両用シートパッドにおいて、振動吸収性、乗り心地等を向上させることを目的とする。   The present invention is for a vehicle in which a recess is provided upward from the bottom surface of the pad main body as described in JP-A-11-34710 and JP-A-2005-59646, and an insertion body is inserted into the recess. An object of the present invention is to improve vibration absorption, ride comfort, etc. in a seat pad.

請求項１の車両用シートパッドは、尻下部下方の底面部に上方へ向って凹陥する凹所が設けられたパッド本体と、該凹所に挿填された挿填体とを備えてなる車両用シートパッドにおいて、該凹所と挿填体との界面に低通気性層が設けられている車両用シートパッドであって、該低通気性層は、不織布、粗毛フェルト、スラブウレタン又はプレスフェルトを前記パッド本体又は挿填体に対し一体発泡によって設けたものであり、該挿填体の上面及び側面と該凹所の内面との間の全体にわたって該低通気性層が設けられており、該不織布、粗毛フェルト及びスラブウレタンの厚さが０．１〜５ｍｍであり、該プレスフェルトの厚さが１〜５ｍｍであることを特徴とするものである。 The vehicle seat pad according to claim 1 includes a pad main body provided with a recess recessed upward in a bottom surface portion below the bottom of the bottom, and an insertion body inserted into the recess. A seat pad for a vehicle in which a low air permeability layer is provided at an interface between the recess and the insert, and the low air permeability layer is made of nonwoven fabric, coarse wool felt, slab urethane or press felt. Is provided by integral foaming with respect to the pad main body or the insertion body, and the low air-permeable layer is provided over the entire area between the upper and side surfaces of the insertion body and the inner surface of the recess, The nonwoven fabric, the coarse wool felt, and the slab urethane have a thickness of 0.1 to 5 mm, and the press felt has a thickness of 1 to 5 mm .

請求項２の車両用シートパッドは、請求項１において、前記挿填体の外面に前記低通気性層が設けられていることを特徴とするものである。 According to a second aspect of the present invention, the vehicle seat pad according to the first aspect is characterized in that the low air permeability layer is provided on an outer surface of the insertion member .

請求項３の車両用シートパッドは、請求項１において、前記凹所の内面に前記低通気性層が設けられていることを特徴とするものである。 The vehicle seat pad 請 Motomeko 3 resides in that in Claim 1, is characterized in that the low permeability layer on an inner surface of said recess is provided.

請求項４の車両用シートパッドは、請求項３において、前記凹所の内面の前記低通気層がパッド本体の底面の少なくとも一部に延長されて該底面を覆っていることを特徴とするものである。 The vehicle seat pad 請 Motomeko 4, in claim 3, wherein the low air layer of the inner surface of the recess, characterized in that extending at least a portion of the bottom surface of the pad body and covers the bottom surface Is.

本発明の車両用シートパッドにあっては、パッド本体の底面の凹所に挿填体が挿填され、この凹所と挿填体との界面に低通気性層が設けられているので、車両用シートパッドに座ったときのパッド本体から挿填体への通気性が落ち、車両用シートパッドの剛性が高くなる。これにより、振動吸収性を向上させたり、振動特性を調整することができる。   In the vehicle seat pad of the present invention, the insertion body is inserted into the recess in the bottom surface of the pad body, and a low air permeability layer is provided at the interface between the recess and the insertion body. The air permeability from the pad body to the insertion body when sitting on the vehicle seat pad is reduced, and the rigidity of the vehicle seat pad is increased. Thereby, vibration absorbability can be improved and a vibration characteristic can be adjusted.

パッド本体の底面にも低通気性層を設けることにより、パッド本体の底面の通気性が低下する。   By providing a low air permeability layer on the bottom surface of the pad body, the air permeability of the bottom surface of the pad body is lowered.

以下、図面を参照して実施の形態について説明する。   Hereinafter, embodiments will be described with reference to the drawings.

第１図は実施の形態に係る車両用シートパッドの断面図、第２図は別の実施の形態に係る車両用シートパッドの断面図である。   FIG. 1 is a sectional view of a vehicle seat pad according to an embodiment, and FIG. 2 is a sectional view of a vehicle seat pad according to another embodiment.

この車両用シートパッド１のクッションパッドは、パッド本体２と、該パッド本体２の凹所２ａに嵌合された挿填体３とからなる。このクッションパッドに表皮を装着することにより車両用シートパッド１が構成される。   The cushion pad of the vehicle seat pad 1 includes a pad body 2 and an insertion body 3 fitted in the recess 2 a of the pad body 2. The vehicle seat pad 1 is configured by attaching an epidermis to the cushion pad.

この凹所２ａは少なくとも尻下部の下方のパッド本体２の底面から上方に向って凹陥したものである。この実施の形態では、凹所２ａ及び挿填体３の平面視形状は方形など任意であり、特に限定されない。   The recess 2a is recessed upward from at least the bottom surface of the pad body 2 below the bottom. In this embodiment, the planar view shape of the recess 2a and the insertion body 3 is arbitrary such as a square, and is not particularly limited.

クッション性を重視する車両用シートパッド、或いはシートパッドの上にカバー材として厚さ５ｍｍ以上のソフトウレタンやそれに類するものが用いられている場合は、パッド本体２は低密度材で構成し、挿填体３の構成材料として高性能材を使用するのが好ましい。   When a vehicle seat pad that emphasizes cushioning, or soft urethane with a thickness of 5 mm or more or the like as a cover material is used on the seat pad, the pad body 2 is made of a low-density material and is inserted. It is preferable to use a high performance material as a constituent material of the filler 3.

その場合、シートパッド本体２の構成材料としては、コア密度２５〜５０ｋｇ／ｍ３、２５％硬度１５〜２５ｋｇｆ／φ２００のポリウレタンフォームが望ましく、挿填体３はコア密度４５〜７０ｋｇ／ｍ３、２５％硬度１６〜３０ｋｇｆ／φ２００のポリウレタンフォームが望ましい。 In this case, the constituent material of the seat pad body 2 is preferably a polyurethane foam having a core density of 25 to 50 kg / m 3 and a 25% hardness of 15 to 25 kgf / φ200, and the insert 3 has a core density of 45 to 70 kg / m 3 , A polyurethane foam having a 25% hardness of 16 to 30 kgf / φ200 is desirable.

一方、表面にソフト感が望まれるシートパッドあるいは初期の着座フィーリングを良くすることを目指すシートパッドの場合、パッド本体２の構成材料としては、コア密度４０〜７０ｋｇ／ｍ３、２５％硬度８〜２０ｋｇｆ／φ２００のポリウレタンフォームが望ましく、挿填体３はコア密度２５〜５５ｋｇ／ｍ３、２５％硬度１６〜３０ｋｇｆ／φ２００のポリウレタンフォームが好ましい。 On the other hand, in the case of a seat pad that requires a soft feeling on the surface or a seat pad that aims to improve the initial seating feeling, the constituent material of the pad body 2 is a core density of 40 to 70 kg / m 3 , 25% hardness 8 A polyurethane foam having a core density of 25 to 55 kg / m 3 and a 25% hardness of 16 to 30 kgf / φ200 is preferable.

この車両用シートパッドにあっては、凹所２ａ及び挿填体３の前後方向の長さが１５０〜５００ｍｍ、特に２００〜４００ｍｍであり、凹所２ａの深さが尻下部におけるシートパッド２０の厚さの３０〜９０％、特に６０〜８０％であることが好ましい。   In this vehicle seat pad, the length of the recess 2a and the insertion body 3 in the front-rear direction is 150 to 500 mm, particularly 200 to 400 mm, and the depth of the recess 2a is lower than that of the seat pad 20 at the bottom. The thickness is preferably 30 to 90%, particularly 60 to 80%.

この実施の形態では、挿填体３及び凹所２ａが、下側ほど小さくなる逆テーパ形状とされ、これにより挿填体３が凹所２ａ内にしっかりと保持されている。なお、挿填体３は凹所２ａの内面に接着されてもよく、適宜の留付具によって留め付けられてもよい。   In this embodiment, the insertion body 3 and the recess 2a have a reverse taper shape that decreases toward the lower side, whereby the insertion body 3 is firmly held in the recess 2a. In addition, the insertion body 3 may be adhere | attached on the inner surface of the recess 2a, and may be fastened with an appropriate fastener.

第１図の車両用シートパッド１においては、挿填体３の上面及び側面と凹所２ａの内面との間に低通気性層４が設けられている。第２図の車両用シートパッド１Ａにおいては、低通気性層４は、さらにパッド本体２の底面にまで延設されている。   In the vehicle seat pad 1 of FIG. 1, the low air permeability layer 4 is provided between the upper surface and side surface of the insertion body 3 and the inner surface of the recess 2a. In the vehicle seat pad 1 </ b> A of FIG. 2, the low air permeability layer 4 is further extended to the bottom surface of the pad body 2.

この低通気性層４を設けたことにより、車両用シートパッド１，１Ａに座ったときにパッド本体２から挿填体３へ通り抜ける通気量が低下する。また、挿填体の側面から本体に通り抜ける通気量が低下する。同様に床から入力された振動により乗員が振動し、パッドが変型させられる際、本体と装填体とを相互に通り抜ける通気量が低下する。   By providing the low air permeability layer 4, the amount of air passing through the pad body 2 to the insertion body 3 when sitting on the vehicle seat pad 1, 1A is reduced. Further, the amount of air passing through the main body from the side surface of the insertion body is reduced. Similarly, when the occupant vibrates due to vibration input from the floor and the pad is deformed, the amount of air passing through the main body and the loaded body decreases.

これらのことから、車両用シートパッド１，１Ａは座ったときの剛性が向上し、振動吸収性が向上する。   For these reasons, the vehicle seat pad 1, 1 </ b> A is improved in rigidity when sitting and vibration absorption is improved.

また、この低通気性層４の通気性を調整することにより、車両用シートパッドの振動特性を調整することが可能である。第１図においては、挿填体と本体の界面全体に低通気層を設けているが、一部でもよく、また、場所により用いる部材を変えてもよい。これによっても低振動性、乗り心地を調整可能である。 Further, by adjusting the air permeability of the low air permeability layer 4, it is possible to adjust the vibration characteristics of the vehicle seat pad. In the first view, it is provided with the low air layer on the entire surface of interpolation Hamakarada and body, may be part, or may be changed members used by location. This also makes it possible to adjust the low vibration and ride comfort.

上記の低通気性層４は、サポータ材をパッド本体２及び挿填体３の少なくとも一方に一体発泡することにより形成することができる。このサポータ材としては、厚さ０．１〜５ｍｍ特に０．５〜２ｍｍ程度の不織布や粗毛フェルト、スラブウレタンなどを用いることができるが、これに限定されない。 The low air permeability layer 4 can be formed by integrally foaming a supporter material on at least one of the pad main body 2 and the insertion body 3. As the supporter material, thickness 0.1~5mm particular 0.5~2mm about nonwoven and coarse hair felt, etc. can be used slab urethane is not limited thereto.

サポータ材の代わりに、厚さ１〜５ｍｍ程度のプレスフェルトを一体発泡することにより、パッド本体２と挿填体３の少なくとも一方に設けるようにしてもよい。サポータ材やプレスフェルトを一体発泡した場合、ウレタン等の樹脂成分がサポータ材やプレスフェルトに含浸し、サポータ材やプレスフェルトの通気性が低下すると共に、剛性が高くなる。 Instead of supporter member, by a Turkey be integrally foamed press felt having a thickness of about 1 to 5 mm, it may be provided on at least one of the pad body 2 and the charging member 3. When the supporter material and the press felt are integrally foamed, a resin component such as urethane is impregnated into the supporter material and the press felt, and the air permeability of the supporter material and the press felt is lowered and the rigidity is increased .

第２図の車両用シートパッド１にあっては、シートフレームのコスレ音を防止するために一体発泡サポータ材をパッド本体２の底面に広げるように設けることにより、製造コストを低くすることができる。 In the vehicle seat pad 1 of FIG. 2, the manufacturing cost can be reduced by providing the integral foam supporter material so as to spread on the bottom surface of the pad body 2 in order to prevent the sound of the seat frame. .

なお、サポータ材以外によってパッド本体の底面に低通気性層を設けてもよい。また、パッド本体の底面の一部に低通気性層を設けてもよい。   In addition, you may provide a low air permeability layer in the bottom face of a pad main body other than a supporter material. Moreover, you may provide a low air permeability layer in a part of bottom face of a pad main body.

実施の形態に係る車両用シートパッドの断面図である。It is sectional drawing of the vehicle seat pad which concerns on embodiment. 別の実施の形態に係る車両用シートパッドの断面図である。It is sectional drawing of the vehicle seat pad which concerns on another embodiment.

１，１Ａ 車両用シートパッド
２ パッド本体
２ａ 凹所
３ 挿填体
４ 低通気性層 1,1A Vehicle seat pad 2 Pad body 2a Recess 3 Insert body 4 Low air permeability layer

Claims (5)

尻下部下方の底面部に上方へ向って凹陥する凹所が設けられたパッド本体と、
該凹所に挿填された挿填体とを備えてなる車両用シートパッドにおいて、
該凹所と挿填体との界面に低通気性層が設けられている車両用シートパッドであって、
該低通気性層は、不織布、粗毛フェルト、スラブウレタン又はプレスフェルトを前記パッド本体又は挿填体に対し一体発泡によって設けたものであり、
該挿填体の上面及び側面と該凹所の内面との間の全体にわたって該低通気性層が設けられており、
該不織布、粗毛フェルト及びスラブウレタンの厚さが０．１〜５ｍｍであり、該プレスフェルトの厚さが１〜５ｍｍであることを特徴とする車両用シートパッド。 A pad body provided with a recess recessed upward on the bottom surface below the bottom of the bottom;
In a vehicle seat pad comprising an insertion body inserted into the recess,
A vehicle seat pad provided with a low air permeability layer at the interface between the recess and the insert,
The low air permeability layer is a non-woven fabric, coarse wool felt, slab urethane or press felt provided by integral foaming on the pad body or insert .
The low air permeability layer is provided over the entire area between the upper and side surfaces of the insert and the inner surface of the recess,
The vehicle seat pad , wherein the nonwoven fabric, the coarse wool felt, and the slab urethane have a thickness of 0.1 to 5 mm, and the press felt has a thickness of 1 to 5 mm . 請求項１において、前記挿填体の外面に前記低通気性層が設けられていることを特徴とする車両用シートパッド。   The vehicle seat pad according to claim 1, wherein the low air permeability layer is provided on an outer surface of the insertion member. 請求項１において、前記凹所の内面に前記低通気性層が設けられていることを特徴とする車両用シートパッド。   The vehicle seat pad according to claim 1, wherein the low air permeability layer is provided on an inner surface of the recess. 請求項３において、前記凹所の内面の前記低通気層がパッド本体の底面の少なくとも一部に延長されて該底面を覆っていることを特徴とする車両用シートパッド。   4. The vehicle seat pad according to claim 3, wherein the low ventilation layer on the inner surface of the recess extends to at least a part of the bottom surface of the pad main body to cover the bottom surface. 請求項１ないし４のいずれか１項において、前記パッド本体及び挿填体はポリウレタンフォームよりなり、一体発泡によりウレタン樹脂成分が、不織布、粗毛フェルト、スラブウレタン又はプレスフェルトに含浸していることを特徴とする車両用シートパッド。 In any one of claims 1 to 4, wherein the pad body and the charging member is made of polyurethane foam, urethane resin component by integral foaming, nonwoven, guard hair felt, that is impregnated into the slab urethane or press felt A vehicle seat pad.
JP2005237874A 2005-08-18 2005-08-18 Vehicle seat pad Expired - Fee Related JP5017816B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2005237874A JP5017816B2 (en) 2005-08-18 2005-08-18 Vehicle seat pad
DE602006021032T DE602006021032D1 (en) 2005-08-18 2006-08-04 VEHICLE SEAT PAD
PCT/JP2006/315466 WO2007020811A1 (en) 2005-08-18 2006-08-04 Vehicle seat pad
CN2006800015087A CN101090653B (en) 2005-08-18 2006-08-04 Seat pad for vehicle
EP06782324A EP1915927B1 (en) 2005-08-18 2006-08-04 Vehicle seat pad
US11/783,352 US7533941B2 (en) 2005-08-18 2007-04-09 Seat pad for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005237874A JP5017816B2 (en) 2005-08-18 2005-08-18 Vehicle seat pad

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JP2007050133A JP2007050133A (en) 2007-03-01
JP5017816B2 true JP5017816B2 (en) 2012-09-05

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