JPS6324018Y2 - - Google Patents
Info
- Publication number
- JPS6324018Y2 JPS6324018Y2 JP1980139635U JP13963580U JPS6324018Y2 JP S6324018 Y2 JPS6324018 Y2 JP S6324018Y2 JP 1980139635 U JP1980139635 U JP 1980139635U JP 13963580 U JP13963580 U JP 13963580U JP S6324018 Y2 JPS6324018 Y2 JP S6324018Y2
- Authority
- JP
- Japan
- Prior art keywords
- panel
- opening
- foam layer
- reinforcing member
- edge
- 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.)
- Expired
Links
- 239000006260 foam Substances 0.000 claims description 35
- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 210000003491 skin Anatomy 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 210000002615 epidermis Anatomy 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010097 foam moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Description
【考案の詳細な説明】
本考案は開口部をもつ自動車用発泡成形品、詳
しくはインストルメントパネルパツド等の開口部
の縁部を補強した自動車用発泡成形品に関する。[Detailed Description of the Invention] The present invention relates to a foam molded article for an automobile having an opening, and more particularly to a foam molded article for an automobile in which the edge of the opening of an instrument panel pad or the like is reinforced.
実開昭54−123547号等で知られている開口部を
有する自動車用発泡成形品、例えばインストルメ
ントパネルパツド１は第１図に図示するように、
正面に開口部２を有し、この部分に計器類等が挿
入されるようになつている。 As shown in FIG. 1, an automobile foam molded product having an opening, such as an instrument panel pad 1, known from Utility Model Application No. 54-123547, etc.
It has an opening 2 on the front, into which instruments etc. can be inserted.
該パッドの開口部の縁部は発泡成形後、発泡層
及び成形時に大きな歪を受けた表皮の収縮力の残
留によつて僅かに歪み、またこの状態で車体に取
付けた場合、更に該パツドの表面温度（最高80℃
〜110℃）による表皮の収縮によつて矢印の方向、
即ち開口部を拡げる方向に変形する。このため、
該縁部と計器類との間に隙間が生じていた。 After foam molding, the edge of the opening of the pad is slightly distorted due to the residual contractile force of the foam layer and the skin that has been greatly distorted during molding. Surface temperature (maximum 80℃
direction of the arrow, due to contraction of the epidermis (~110℃)
That is, it deforms in a direction that widens the opening. For this reason,
A gap was created between the edge and the instruments.
このため改善された従来のインストルパネルパ
ツドの開口部の構造は第２図に示されるように、
予め開口部を設けたポリプロピレン、ナイロン等
の樹脂成形品あるいは鉄板からなるパネル４の上
に発泡層５を積層し、その表面を表皮６で被覆す
ると共に鉄棒インサート７を発泡層５内に埋設さ
せていた。 For this reason, the structure of the opening of the conventional instrument panel pad, which has been improved, is as shown in Figure 2.
A foam layer 5 is laminated on a panel 4 made of a resin molded product made of polypropylene, nylon, etc. or an iron plate with openings provided in advance, the surface thereof is covered with a skin 6, and an iron bar insert 7 is embedded in the foam layer 5. was.
しかし、このような構造にすれば縁部の突起部
分の肉厚が小さいと鉄棒インサート７を埋設でき
ないこと、製造過程において鉄棒インサートの固
定方法が困難であるため、その位置が不安定なこ
と、並びにパネルとインサートが分離しているた
め補強効果が小さく、従つて開口部の縁部が変形
し易いなどの問題を有していた。 However, with such a structure, the iron bar insert 7 cannot be buried if the wall thickness of the protruding part of the edge is small, and the position of the iron bar insert is unstable because it is difficult to fix the iron bar insert during the manufacturing process. Furthermore, since the panel and insert are separated, the reinforcing effect is small, and the edge of the opening is easily deformed.
本考案はかかる問題点を改善するもので、その
目的とするところは、開口部を有する発泡成形品
を車体に取付けた場合、成形品の表面温度及び経
時変化に伴なう表皮の収縮による縁部の変形を防
止し、更に発泡層とパネル間の接着力を高め発泡
層の剥離を防止するような開口部の縁部の補強構
造を提供することにあり、パネル、発泡層、表皮
が一体的に積層され、かつ開口部を有する自動車
用成形品において、前記パネルは、開口部の縁部
内に、パネル本体と連続し、かつ該本体より突出
し、更に切り溝が設けられた補強部材を有すると
共に、該補強部材を該発泡層に埋設せしめた構成
を特徴とするものである。 The present invention aims to improve this problem, and its purpose is to prevent the shrinkage of the skin from shrinkage due to the surface temperature of the molded product and changes over time when a foam molded product with an opening is attached to a car body. The objective is to provide a reinforcing structure for the edge of the opening that prevents deformation of the panel, increases the adhesive strength between the foam layer and the panel, and prevents the foam layer from peeling off, so that the panel, foam layer, and skin are integrated. In the molded article for an automobile, which is laminated in layers and has an opening, the panel has a reinforcing member within the edge of the opening that is continuous with the panel body, projects from the body, and is further provided with a cut groove. In addition, the reinforcing member is embedded in the foam layer.
以下、本考案の実施態様を添付図面に示す実施
例を参照しつつ説明する。 Hereinafter, embodiments of the present invention will be described with reference to examples shown in the accompanying drawings.
第３図は本考案に係る開口部をもつ発泡成形品
の１例である自動車のインストルメントパネルパ
ツド８の断面斜視図であり、該パツド８には速度
メータ、オーデイオ等を取付ける開口部９があ
り、底面にはポリプロピレン、繊維強化ポリプロ
ピレン、ナイロン等の樹脂パネル１０が、そして
内部には緩衝材となる発泡層１１、表面には塩ビ
シート、ABSシート等の表皮１２が存在してい
る。 FIG. 3 is a cross-sectional perspective view of an automobile instrument panel pad 8, which is an example of a foam molded product having an opening according to the present invention. There is a resin panel 10 made of polypropylene, fiber-reinforced polypropylene, nylon, etc. on the bottom, a foam layer 11 serving as a cushioning material inside, and a skin 12 made of PVC sheet, ABS sheet, etc. on the surface.
しかして、前記開口部９にはその縁部１３に平
板状の補強部材１４が底面のパネル１０から突出
しており、図示例では該補強部材１４には更に小
さな巾の切り溝１５が一定間隔に設けられてい
る。この図示例にあつてはパネル１０と補強部材
１４は射出成形等によつて得られた一体物であ
り、この補強部材１４は発泡層１１内に埋設され
ている。 A plate-shaped reinforcing member 14 protrudes from the bottom panel 10 at the edge 13 of the opening 9, and in the illustrated example, the reinforcing member 14 has cut grooves 15 of a smaller width at regular intervals. It is provided. In this illustrated example, the panel 10 and the reinforcing member 14 are integrally formed by injection molding or the like, and the reinforcing member 14 is embedded within the foam layer 11.
なお、補強部材は第３図に示すようにパネルの
末端から突出させても、更にこの場合、図示例に
限らず末端の少し上の位置から突出させてもよ
い。 The reinforcing member may protrude from the end of the panel as shown in FIG. 3, or may protrude from a position slightly above the end, not limited to the illustrated example.
また、補強部材の形状は通常、平面に限定され
ることなく彎曲していてもよい。 Further, the shape of the reinforcing member is not usually limited to a flat shape, but may be curved.
何れにせよ、この補強部材はパネルに少くとも
一部が連続し、かつ、該補強部材を縁部の発泡層
内に少くともその一部に埋設すれば本考案の目的
は達成することができる。たゞし、補強部材の先
端を表皮に近づけると該縁部の緩衝性が低下する
ため、衝突などの事故に際して搭乗員が怪我をす
る恐れがある。このため、補強部材の先端は発泡
層の中間位置に止めることが望ましい。 In any case, the object of the present invention can be achieved if this reinforcing member is at least partially continuous with the panel and is embedded at least partially within the foam layer at the edge. . However, if the tip of the reinforcing member is brought close to the skin, the cushioning properties of the edge will be reduced, which may cause injury to the occupant in the event of an accident such as a collision. For this reason, it is desirable that the tip of the reinforcing member be stopped at an intermediate position of the foam layer.
このように、開口部の縁部１３は補強部材１４
とパネル１０が連続した強固な構造になつている
ため、発泡成形後、発泡層１１及び表皮１２の収
縮力の残留による歪も起らず、また車体に取付け
た後の成形品表面温度に伴なう表皮の収縮による
該縁部１３の変形を阻止することができ、また、
発泡層１１が多数の補強部材１４の周りを被覆し
ているため発泡層１１とパネル１０との接着が良
好で剥離も起りにくい。 In this way, the edge 13 of the opening is connected to the reinforcing member 14.
Since the panel 10 and the panel 10 have a continuous and strong structure, distortion due to residual shrinkage force of the foam layer 11 and the skin 12 does not occur after foam molding, and the molded product does not distort due to the surface temperature after being attached to the vehicle body. Deformation of the edge 13 due to contraction of the epidermis can be prevented, and
Since the foam layer 11 covers the surroundings of a large number of reinforcing members 14, the adhesion between the foam layer 11 and the panel 10 is good, and peeling is unlikely to occur.
更に、補強部材１４間に切り溝１５を設けてい
るので表皮１２と発泡層１１の熱収縮による縁部
１３の変形を一層避けることができる。 Furthermore, since the cut grooves 15 are provided between the reinforcing members 14, deformation of the edge 13 due to thermal contraction of the skin 12 and foam layer 11 can be further avoided.
第４図は本考案に係る他の変形例であり、開口
部の縁部１６は裏面に金属性のパネル１７、内部
に発泡層１８、そして表面に表皮１９を積層した
構造になつており、パネル１７と表皮１９は裏面
で接合されている。 FIG. 4 shows another modification of the present invention, in which the edge 16 of the opening has a structure in which a metal panel 17 is layered on the back, a foam layer 18 is layered inside, and a skin 19 is layered on the front surface. The panel 17 and the skin 19 are joined on the back side.
そして、発泡層１８内にはパネル１７から突出
した舌片状の補強部材２０が設けられている。こ
の補強部材２０は第５図に示されるように、通
常、パネルの下半分をプレス抜き、曲げ成形によ
つて得られるものであるが、このような舌片状の
補強部材２０をパネル１７から折り曲げて発泡層
１８に埋設すれば、縁部１６は強固な構造にな
り、第３図に示した発泡成形品の効果と同様な効
果が得られ、更に、開口部の縁部１６は弾性変形
をする舌片状の補強部材と緩衝性を有する発泡層
とが相俟つて大きな衝撃エネルギーを吸収するこ
とができる利点を有する。 A tongue-shaped reinforcing member 20 protruding from the panel 17 is provided within the foam layer 18. As shown in FIG. 5, this reinforcing member 20 is usually obtained by pressing the lower half of the panel and bending it. If it is bent and buried in the foam layer 18, the edge 16 will have a strong structure, and the same effect as that of the foam molded product shown in FIG. The combination of the tongue-shaped reinforcing member and the cushioning foam layer has the advantage of being able to absorb a large amount of impact energy.
以上のように、本考案によれば、発泡成形品の
開口部の縁部にパネルと連結した補強部材を発泡
層に埋設したことにより、前述せる開口部の縁部
内に、パネルと一体の補強部材を有しているため
発泡成形品の縁部を強固にして、該成形品を車体
に取付けた後の成形品表面温度による表皮の収縮
力による変形を防止し、更に剛性の高いパネルと
発泡層との結合力を高くとれるため、発泡層とパ
ネル間の接着力を高めて、経時変化、熱変化によ
つて表皮、発泡層が変形した場合でも、その収縮
等の変形は開口部以外の部分に吸収され、開口部
近傍の表皮、発泡層の剥離を防止することができ
ると共に、更にかかる本考案の構成により発泡層
の肉厚の大きさに影響されず開口部の縁部を補強
することができる優れた効果を発揮する。 As described above, according to the present invention, by embedding the reinforcing member connected to the panel in the edge of the opening of the foam molded product in the foam layer, the reinforcing member integrated with the panel can be provided in the edge of the opening mentioned above. This material strengthens the edges of the foam molded product and prevents deformation due to the shrinkage force of the skin caused by the molded product surface temperature after the molded product is attached to the vehicle body. Since the adhesive strength between the foam layer and the panel is increased, even if the skin or foam layer deforms due to changes over time or heat, the deformation such as shrinkage will not occur in areas other than the openings. It is possible to prevent the skin and foam layer near the opening from peeling off, and furthermore, with the structure of the present invention, the edge of the opening can be reinforced without being affected by the thickness of the foam layer. Demonstrates excellent effects that can be achieved.
第１図はインストルメントパネルパツドの形状
を示す斜視図、第２図は第１図に示すインストル
メントパネルパツドのＸ−X′断面図で公知の補
強構造を示す。第３図は本考案に係る自動車用発
泡成形品の開口部の断面斜視図、第４図は本考案
の他の実施例を示す部分断面図、第５図は第４図
で使用されるパネルの斜視図である。
８……パツド、９……開口部、１０，１７……
パネル、１１，１８……発泡層、１２，１９……
表皮、１３，１６……開口部縁部、１４，２０…
…補強部材。
FIG. 1 is a perspective view showing the shape of an instrument panel pad, and FIG. 2 is a sectional view taken along line X-X' of the instrument panel pad shown in FIG. 1, showing a known reinforcing structure. Fig. 3 is a cross-sectional perspective view of the opening of the foam molded product for automobiles according to the present invention, Fig. 4 is a partial cross-sectional view showing another embodiment of the present invention, and Fig. 5 is a panel used in Fig. 4. FIG. 8... Padded, 9... Opening, 10, 17...
Panel, 11, 18... Foam layer, 12, 19...
Epidermis, 13, 16... Opening edge, 14, 20...
...Reinforcement member.
Claims (1)
つ開口部を有する自動車用成形品において、前記
パネルは、開口部の縁部内に、パネル本体と連続
し、かつ該本体より突出し、更に切り溝が設けら
れた補強部材を有すると共に、該補強部材を前記
発泡層内に埋設せしめたことを特徴とする自動車
用発泡成形品。 In a molded article for an automobile in which a panel, a foam layer, and a skin are integrally laminated and has an opening, the panel has a cut groove within the edge of the opening that is continuous with and protrudes from the panel body. 1. A foamed molded article for an automobile, characterized in that the reinforcing member is provided with a reinforcing member, and the reinforcing member is embedded within the foamed layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980139635U JPS6324018Y2 (en) | 1980-09-29 | 1980-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980139635U JPS6324018Y2 (en) | 1980-09-29 | 1980-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5760839U JPS5760839U (en) | 1982-04-10 |
| JPS6324018Y2 true JPS6324018Y2 (en) | 1988-07-01 |
Family
ID=29499603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980139635U Expired JPS6324018Y2 (en) | 1980-09-29 | 1980-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324018Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742875Y2 (en) * | 1988-03-10 | 1995-10-04 | 株式会社東海理化電機製作所 | Air bag cover |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS535939B2 (en) * | 1973-02-05 | 1978-03-03 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5933710Y2 (en) * | 1976-07-01 | 1984-09-19 | 日立化成工業株式会社 | instrument panel |
-
1980
- 1980-09-29 JP JP1980139635U patent/JPS6324018Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS535939B2 (en) * | 1973-02-05 | 1978-03-03 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5760839U (en) | 1982-04-10 |
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