JP4202049B2 - Mounting structure for vehicle interior materials - Google Patents
Mounting structure for vehicle interior materials Download PDFInfo
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- JP4202049B2 JP4202049B2 JP2002152716A JP2002152716A JP4202049B2 JP 4202049 B2 JP4202049 B2 JP 4202049B2 JP 2002152716 A JP2002152716 A JP 2002152716A JP 2002152716 A JP2002152716 A JP 2002152716A JP 4202049 B2 JP4202049 B2 JP 4202049B2
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- Prior art keywords
- shock absorbing
- panel
- absorbing pad
- vehicle
- mounting structure
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Description
【０００１】
【発明の属する技術分野】
本発明は裏面に衝撃吸収パッドを有する車両用内装材の取り付け構造に関する。
【０００２】
【従来の技術】
従来自動車のような車両の車室側内面には、ルーフパネルの内面やドアパネルの内面を覆うように内装材が取り付けられている。
【０００３】
これら内装材のうち、天井内面を覆うルーフトリムや、ドアパネルの内面を覆うドアトリムには、車両が転倒（ロールオーバー）したり、側面衝突した際に衝撃を吸収するパッドが設けられている。
【０００４】
図８及び図９は、裏面に衝撃吸収パッドａが設けられた従来のルーフトリムｂを示すもので、ルーフパネルｃの内面全体が覆えるように形成されたルーフトリムｂの裏側に、発泡樹脂等の弾性体により形成された複数の衝撃吸収パッドａが接着等の手段により固着されている。
【０００５】
これら衝撃吸収パッドａは設置する場所に応じて大きさを変えた板状に形成されていて、ルーフパネルｃの内側にルーフトリムbを装着した際、図９に示すようにルーフパネルｃの内面と衝撃吸収パッドａの上面間に所定のクリアランスｄが生じるように設計されている。
【０００６】
【発明が解決しようとする課題】
しかし樹脂により一体成形されたルーフトリムｂは、成形後の寸法にバラツキが生じやすいことから、ルーフパネルｃの内側に装着した場合、ルーフパネルｃ内面と衝撃吸収パッドａ上面間のクリアランスｄにバラツキが発生する。
【０００７】
このクリアランスｄが所定値より大きいと、車両がロールオーバーして乗員の頭部等がルーフトリムｂに衝突した場合、衝撃吸収パッドａが衝撃を吸収するまでに時間がかかるため、衝撃吸収能力が低下すると共に、逆にクリアランスｄが所定値より小さいと、車両が走行する際の振動により衝撃吸収パッドａがルーフパネルｃの内面に当って異音が発生し、騒音の原因となる等の問題がある。
【０００８】
また衝撃吸収パッドａの衝撃吸収能力は、使用する材料の弾性に依存するため、容易に調整することができない等の問題もある。
【０００９】
本発明はかかる従来の問題を改善するためになされたもので、衝撃吸収能力が低下したり、異音を発生することがなく、かつ衝撃吸収能力の調整も容易な車両用内装材の取り付け構造を提供することを目的とするものである。
【００１０】
【課題を解決するための手段】
前記目的を達成するため本発明の車両用内装材の取り付け構造は、車両の車室（１）側内面を覆うようにパネル（２）に装着され、かつパネル（２）側に弾性体よりなる衝撃吸収パッド（４）が設けられた車両用内装材の取り付け構造であって、衝撃吸収パッド（４）のパネル（２）と対向する面に、複数の突起よりなる当接部（４ａ）を部分的に突設し、かつ衝撃吸収パッド（４）の中央付近に位置する当接部（４ａ）を、他の当接部（４ａ）より高さを高くしたものである。
【００１１】
前記構成により、パネルや内装材に寸法的なバラツキがあっても、衝撃吸収パッドとパネルとのクリアランスが当接部により規定されるため、クリアランスにバラツキが発生することがないと共に、車両がロールオーバーして乗員の頭部等が内装材に衝突しても、衝撃により衝撃吸収パッドが瞬時に潰れて衝撃を吸収するため、衝撃吸収能力が低下することもない。
【００１２】
また衝撃吸収パッドに突設する当接部の大きさや数を増減することにより衝撃吸収能力を任意に設定できるため、衝撃吸収能力の調整が容易に行えるようになる。
【００１６】
更に、前記構成により、パネルに対し内装材の取り付け位置にバラツキが生じても、高さの高い当接部がパネルの内面に確実に当接するため、取り付け位置のバラツキにも容易に対応することができる。
【００１７】
【発明の実施の形態】
本発明をルーフパネルの車室側内面を覆うルーフトリムに実施した実施の形態を、図１ないし図３に示す図面を参照して詳述する。
【００１８】
図１はルーフトリムの裏面側の斜視図、図２は図１のＡ円内の拡大図、図３は図２のＢ−Ｂ線に沿う断面図である。
【００１９】
車両の車室１上面を覆うルーフパネル２の内側に装着されたルーフトリム３は、樹脂により一体成形されたパネル状の芯材３ａと、芯材３ａの車室１側面（表面）を被覆する表皮３ｂより形成されている。
【００２０】
ルーフトリム３の前部とほぼ中央部には、ルーフパネル２の内面に取り付けられたルームランプ（図示せず）を車室１側へ突出させる透孔３ｃが開口されており、前側の透孔３ｃの両側には、図示しないサンバイザを格納する凹部３ｄが形成されている。
【００２１】
またルーフトリム３のルーフパネル２側面（裏面）には複数、例えば６個の衝撃吸収パッド４が、ルーフトリム３の両側縁に沿い、かつ前後に離間して接着等の手段で固着されている。
【００２２】
これら衝撃吸収パッド４は、全体が発泡樹脂よりなる弾性体により長方形の板状に形成されていて、前後方向のほぼ中央部に設置された衝撃吸収パッド４は、衝撃吸収能力を大きくするため他の衝撃吸収パッド４より大きく形成されている。
【００２３】
そして各衝撃吸収パッド４のルーフパネル２と対向する面（上面）には、車幅方向に長い複数条の突部よりなる当接部４ａが、衝撃吸収パッド４と一体に突設されている。
【００２４】
当接部４ａは、図２及び図３に示すようにほぼ半円柱状となっていて、車両前後方向に間隔を存し、かつ衝撃吸収パッド４のほぼ全幅に亘って突設されている。
【００２５】
次に前記構成された内装材の取り付け構造の作用を説明する。
【００２６】
裏面に衝撃吸収パッド４が固着されたルーフトリム３は、衝撃吸収パッド４がルーフパネル２側となるように図示しない取り付け手段によりルーフパネル２の車室１側内面に図３に示すように取り付けるが、このとき衝撃吸収パッド４の上面に突設された当接部４ａがルーフパネル２の内面に当接するようにする。
【００２７】
なおルーフパネル２の寸法誤差や撓みにより当接部４ａの全部がルーフパネル２の内面に当接しなくとも、一部が当接していれば問題ない。
【００２８】
以上のようにして取り付けられたルーフトリム３の取り付け構造によれば、ルーフパネル２の内面と衝撃吸収パッド４の上面との間のクリアランスＤは、当接部４ａの高さにより決まるため、当接部４ａの高さを予め所定のクリアランスＤと同一に設定しておくことにより、ルーフトリム３に寸法的な誤差や撓みがあっても、ルーフパネル２の内面と衝撃吸収パッド４の上面との間に常に所定のクリアランスＤを保持することができる。
【００２９】
また所定のクリアランスＤを保持することにより、車両がロールオーバーして乗員の頭部等がルーフトリム３に衝突しても、瞬時に衝撃吸収パッド４が潰れて衝撃を吸収するため、衝撃吸収能力が低下することがない上、当接部４ａの大きさや数を任意に設定することにより衝撃能力が調整できるため、衝撃吸収パッド４の設置位置に応じて衝撃吸収能力の調整が容易に行えるようになる。
【００３０】
また当接部４ａの少なくとも一部がルーフパネル２の内面に当接しているため、走行中の振動により異音が発生して騒音の原因となる等の問題も解消することができる。
【００３１】
なお前記実施の形態では、衝撃吸収パッド４の上面に突設した当接部４ａを車幅方向に突設したが、車両前後方向に突設してもよい。
【００３２】
また前記実施の形態では、衝撃吸収パッド４の上面に突設した当接部４ａを半円柱状にしたが、図４及び図５に示す変形例のように半球状にして、衝撃吸収パッド４の例えば隅角部と中央部等に突設してもよい。
【００３３】
この変形例の場合も、全部の当接部４ａがルーフパネル２の内面に当接していなくてもよく、一部が当接していれば、前記実施の形態と同様な作用効果が得られるものである。
【００３４】
また図６及び図７に示す変形例は、中央部の当接部４ａを他の当接部４ａより大径にして高さを高くしたもので、この変形例によれば、高さの高い中央部の当接部４ａが確実にルーフパネル２の内面に当接するようになると共に、図７の仮想線で示すようにルーフトリム３が傾いた状態でルーフパネル２の内面に装着される等、取り付け位置にバラツキが生じた場合でも、当接部４ａがルーフパネル２の内面より離間することがないため、取り付け位置のバラツキにも容易に対応することができる。
【００３５】
なお前記実施の形態及び変形例は、内装材をルーフトリム３とした場合について説明したが、裏面に衝撃吸収パッド４が設けられたドアトリムやその他の内装材全般に適用することができるものである。
【００３６】
【発明の効果】
本発明は以上詳述したように、衝撃吸収パッドのパネルと対向する面に、突部よりなる当接部を部分的に突設したことから、パネルや内装材に寸法的なバラツキがあっても、衝撃吸収パッドとパネルとのクリアランスが当接部により規定されるため、クリアランスにバラツキが発生することがないと共に、車両がロールオーバーして乗員の頭部等が内装材に衝突しても、衝撃により衝撃吸収パッドが瞬時に潰れて衝撃を吸収するため、衝撃吸収能力が低下することもない。
【００３７】
また衝撃吸収パッドに突設する当接部の大きさや数を増減することにより衝撃吸収能力を任意に設定できるため、衝撃吸収能力の調整が容易に行えると共に、当接部の少なくとも一部をパネルに当接させたことから、車両が走行する際の振動により衝撃吸収パッドがパネルの内面に当って異音を発生することがないため、騒音の原因を解消することができる。
【００３８】
さらに当接部を複数の突起より形成し、かつ衝撃吸収部材の中央付近に位置する突起を、他の突起より高さを高くしたことから、パネルに対し内装材の取り付け位置にバラツキが生じても、高さの高い当接部がパネルの内面に確実に当接するため、取り付け位置のバラツキにも容易に対応することができる。
【図面の簡単な説明】
【図１】本発明の実施の形態になる車両用内装材の取り付け構造を示す斜視図である。
【図２】図１のＡ円内の拡大図である。
【図３】図２のＢ−Ｂ線に沿う断面図である。
【図４】本発明の実施の形態になる車両用内装材の取り付け構造に使用された衝撃吸収パッドの変形例を示す斜視図である。
【図５】図４のＤ−Ｄ線に沿う断面図である。
【図６】本発明の実施の形態になる車両用内装材の取り付け構造に使用された衝撃吸収パッドの変形例を示す斜視図である。
【図７】図６のＣ−Ｃ線に沿う断面図である。
【図８】従来の車両用内装材の取り付け構造を示す斜視図である。
【図９】図８のＥ−Ｅ線に沿う断面図である。
【符号の説明】
１ 車室
２ パネル（ルーフパネル）
３ ルーフトリム（内装材）
４ 衝撃吸収パッド
４ａ 当接部
Ｄ クリアランス[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicle interior material mounting structure having a shock absorbing pad on the back surface.
[0002]
[Prior art]
An interior material is attached to the inner surface of a vehicle like a conventional vehicle so as to cover the inner surface of the roof panel and the inner surface of the door panel.
[0003]
Among these interior materials, a roof trim that covers the inner surface of the ceiling and a door trim that covers the inner surface of the door panel are provided with pads that absorb impact when the vehicle falls (rolls over) or collides with the side.
[0004]
8 and 9 show a conventional roof trim b provided with a shock absorbing pad a on the back surface, and a foamed resin is formed on the back side of the roof trim b formed so as to cover the entire inner surface of the roof panel c. A plurality of shock absorbing pads a formed of an elastic body such as an adhesive are fixed by means such as adhesion.
[0005]
These shock absorbing pads a are formed in a plate shape whose size is changed according to the installation location. When the roof trim b is mounted on the inner side of the roof panel c, the inner surface of the roof panel c is shown in FIG. And a predetermined clearance d is created between the upper surfaces of the shock absorbing pads a.
[0006]
[Problems to be solved by the invention]
However, since the roof trim b formed integrally with resin is likely to vary in dimensions after molding, when mounted inside the roof panel c, the clearance d between the inner surface of the roof panel c and the upper surface of the shock absorbing pad a varies. Will occur.
[0007]
If the clearance d is larger than a predetermined value, when the vehicle rolls over and the head of the occupant collides with the roof trim b, it takes time for the shock absorbing pad a to absorb the shock. On the other hand, if the clearance d is smaller than a predetermined value, the shock absorbing pad a hits the inner surface of the roof panel c due to vibration when the vehicle travels, causing noise and causing noise. There is.
[0008]
Further, since the shock absorbing capacity of the shock absorbing pad a depends on the elasticity of the material used, there is a problem that it cannot be easily adjusted.
[0009]
The present invention has been made to remedy such conventional problems, and has a structure for mounting an interior material for a vehicle that does not have a reduced impact absorption capability, does not generate abnormal noise, and can easily adjust the impact absorption capability. Is intended to provide.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, the vehicle interior material mounting structure according to the present invention is mounted on the panel (2) so as to cover the vehicle compartment (1) side inner surface of the vehicle and is made of an elastic body on the panel (2) side. a mounting structure of an impact absorbing pad (4) is a vehicle interior material which is provided, on the surface facing the panel (2) of the impact absorbing pad (4), the contact portion comprising a plurality of projections of (4a) The contact part (4a) which protrudes partially and is located near the center of the shock absorbing pad (4) is higher than the other contact part (4a) .
[0011]
With the above configuration, even if there is a dimensional variation in the panel and the interior material, the clearance between the shock absorbing pad and the panel is defined by the contact portion, so that there is no variation in the clearance and the vehicle rolls. Even if the passenger's head or the like collides with the interior material, the impact absorbing pad is instantaneously crushed by the impact and absorbs the impact, so that the impact absorbing ability is not lowered.
[0012]
Further, since the shock absorbing capacity can be arbitrarily set by increasing or decreasing the size and number of the contact portions protruding from the shock absorbing pad, the shock absorbing capacity can be easily adjusted.
[0016]
Furthermore, with the above configuration, even if the interior material mounting position varies with respect to the panel, the high contact portion reliably contacts the inner surface of the panel, so that the mounting position variation can be easily accommodated. Can do.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment in which the present invention is applied to a roof trim that covers an inner surface of a roof panel on the passenger compartment side will be described in detail with reference to the drawings shown in FIGS.
[0018]
1 is a perspective view of the back side of the roof trim, FIG. 2 is an enlarged view in a circle A of FIG. 1, and FIG. 3 is a cross-sectional view taken along line BB of FIG.
[0019]
A roof trim 3 mounted on the inner side of a roof panel 2 that covers the upper surface of the vehicle compartment 1 of the vehicle covers a panel-shaped core material 3a integrally formed of resin and the side surface (surface) of the core material 3a. It is formed from the skin 3b.
[0020]
A through hole 3c for projecting a room lamp (not shown) attached to the inner surface of the roof panel 2 toward the vehicle compartment 1 is opened at the front and substantially center of the roof trim 3. On both sides of 3c, recesses 3d for storing a sun visor (not shown) are formed.
[0021]
Further, a plurality of, for example, six shock absorbing pads 4 are fixed to the side surface (back surface) of the roof trim 3 along the both side edges of the roof trim 3 and separated from each other in the front and rear directions by means such as adhesion. .
[0022]
These shock absorbing pads 4 are formed in a rectangular plate shape by an elastic body made of a foamed resin as a whole, and the shock absorbing pads 4 installed at the substantially central part in the front-rear direction are different in order to increase the shock absorbing capability. It is formed larger than the shock absorbing pad 4.
[0023]
Then, on the surface (upper surface) of each shock absorbing pad 4 facing the roof panel 2, a contact portion 4 a made up of a plurality of protruding portions that are long in the vehicle width direction is provided integrally with the shock absorbing pad 4. .
[0024]
As shown in FIGS. 2 and 3, the abutting portion 4 a has a substantially semi-cylindrical shape, has an interval in the vehicle front-rear direction, and protrudes over substantially the entire width of the shock absorbing pad 4.
[0025]
Next, the operation of the interior material mounting structure constructed as described above will be described.
[0026]
As shown in FIG. 3, the roof trim 3 having the shock absorbing pad 4 fixed on the back surface is attached to the inner surface of the roof panel 2 on the vehicle compartment 1 side by attaching means (not shown) so that the shock absorbing pad 4 is on the roof panel 2 side. However, at this time, the abutting portion 4 a protruding from the upper surface of the shock absorbing pad 4 is brought into contact with the inner surface of the roof panel 2.
[0027]
It should be noted that even if the entire contact portion 4a does not contact the inner surface of the roof panel 2 due to dimensional error or deflection of the roof panel 2, there is no problem as long as a portion is in contact.
[0028]
According to the mounting structure of the roof trim 3 mounted as described above, the clearance D between the inner surface of the roof panel 2 and the upper surface of the shock absorbing pad 4 is determined by the height of the contact portion 4a. By setting the height of the contact portion 4a to be the same as the predetermined clearance D in advance, the inner surface of the roof panel 2 and the upper surface of the shock absorbing pad 4 can be obtained even if there is a dimensional error or deflection in the roof trim 3. A predetermined clearance D can always be maintained during the period.
[0029]
Further, by maintaining a predetermined clearance D, even if the vehicle rolls over and the head of the occupant collides with the roof trim 3, the shock absorbing pad 4 is instantaneously crushed and absorbs the shock. In addition, since the impact capability can be adjusted by arbitrarily setting the size and number of the contact portions 4a, the impact absorption capability can be easily adjusted according to the installation position of the impact absorption pad 4. become.
[0030]
Further, since at least a part of the contact portion 4a is in contact with the inner surface of the roof panel 2, it is possible to eliminate problems such as abnormal noise generated due to vibration during traveling and causing noise.
[0031]
In the above-described embodiment, the contact portion 4a protruding from the upper surface of the shock absorbing pad 4 is protruded in the vehicle width direction, but may be protruded in the vehicle front-rear direction.
[0032]
Moreover, in the said embodiment, although the contact part 4a which protruded on the upper surface of the impact-absorbing pad 4 was made into the semicylindrical shape, it is made into a hemisphere like the modification shown in FIG.4 and FIG.5, and the impact-absorbing pad 4 is used. For example, you may project in a corner part and a center part.
[0033]
Also in this modified example, not all the abutting portions 4a need to be in contact with the inner surface of the roof panel 2, and if the portions are in contact with each other, the same operational effects as those of the above-described embodiment can be obtained. It is.
[0034]
The modification shown in FIGS. 6 and 7 is such that the contact part 4a at the center is larger in diameter than the other contact parts 4a, and the height is increased. According to this modification, the height is high. The abutting portion 4a at the center portion comes into contact with the inner surface of the roof panel 2 with certainty, and the roof trim 3 is attached to the inner surface of the roof panel 2 in an inclined state as shown by the phantom line in FIG. Even when the mounting position varies, the contact portion 4a is not separated from the inner surface of the roof panel 2, so that it is possible to easily cope with the mounting position variation.
[0035]
In addition, although the said embodiment and modification demonstrated the case where the interior material was made into the roof trim 3, it can apply to the door trim in which the impact-absorbing pad 4 was provided in the back surface, and other interior materials in general. .
[0036]
【The invention's effect】
As described in detail above, the present invention has a dimensional variation in the panel and the interior material because the contact portion made of the protrusion is partially provided on the surface of the shock absorbing pad facing the panel. However, since the clearance between the shock absorbing pad and the panel is defined by the contact portion, there is no variation in the clearance, and even if the vehicle rolls over and the head of the occupant collides with the interior material The shock absorbing pad is instantly crushed by the shock and absorbs the shock, so that the shock absorbing capacity is not lowered.
[0037]
In addition, the shock absorption capacity can be set arbitrarily by increasing or decreasing the size and number of the contact parts protruding from the shock absorption pad, making it easy to adjust the shock absorption capacity, and at least a part of the contact parts to the panel Since the shock absorbing pad does not hit the inner surface of the panel due to vibration when the vehicle travels, no abnormal noise is generated, so that the cause of noise can be eliminated.
[0038]
Furthermore, the contact portion is formed from a plurality of protrusions, and the protrusion located near the center of the shock absorbing member is made higher than the other protrusions, resulting in variations in the mounting position of the interior material with respect to the panel. However, since the high contact portion reliably contacts the inner surface of the panel, it is possible to easily cope with variations in the mounting position.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a mounting structure for a vehicle interior material according to an embodiment of the present invention.
FIG. 2 is an enlarged view in a circle A in FIG. 1;
3 is a cross-sectional view taken along line BB in FIG.
FIG. 4 is a perspective view showing a modification of the shock absorbing pad used in the vehicle interior material mounting structure according to the embodiment of the present invention.
5 is a cross-sectional view taken along line DD of FIG.
FIG. 6 is a perspective view showing a modification of the shock absorbing pad used in the vehicle interior material mounting structure according to the embodiment of the present invention.
7 is a cross-sectional view taken along the line CC of FIG.
FIG. 8 is a perspective view showing a conventional mounting structure for a vehicle interior material.
9 is a cross-sectional view taken along line EE of FIG.
[Explanation of symbols]
1 Car compartment 2 Panel (roof panel)
3 Roof trim ( interior material )
4 Shock absorbing pad 4a Contact part D Clearance
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002152716A JP4202049B2 (en) | 2002-05-27 | 2002-05-27 | Mounting structure for vehicle interior materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002152716A JP4202049B2 (en) | 2002-05-27 | 2002-05-27 | Mounting structure for vehicle interior materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003341438A JP2003341438A (en) | 2003-12-03 |
| JP4202049B2 true JP4202049B2 (en) | 2008-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002152716A Expired - Fee Related JP4202049B2 (en) | 2002-05-27 | 2002-05-27 | Mounting structure for vehicle interior materials |
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| JP (1) | JP4202049B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5021401B2 (en) * | 2007-09-04 | 2012-09-05 | 本田技研工業株式会社 | Roof shock absorption structure |
| KR100852045B1 (en) * | 2007-11-16 | 2008-08-13 | 현대자동차주식회사 | Plate and pad combination structure of vehicle |
| US8465087B2 (en) * | 2009-03-30 | 2013-06-18 | Oakwood Energy Management, Inc. | Energy absorber with anti-squeak anti-rattle feature |
| JP5818097B2 (en) * | 2012-03-30 | 2015-11-18 | トヨタ紡織株式会社 | Vehicle ceiling structure |
-
2002
- 2002-05-27 JP JP2002152716A patent/JP4202049B2/en not_active Expired - Fee Related
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| JP2003341438A (en) | 2003-12-03 |
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