JP2005153545A - Interior panel with skin for vehicle - Google Patents

Interior panel with skin for vehicle Download PDF

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JP2005153545A
JP2005153545A JP2003390691A JP2003390691A JP2005153545A JP 2005153545 A JP2005153545 A JP 2005153545A JP 2003390691 A JP2003390691 A JP 2003390691A JP 2003390691 A JP2003390691 A JP 2003390691A JP 2005153545 A JP2005153545 A JP 2005153545A
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base material
skin
hole
frame
vehicle
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JP4371780B2 (en
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Hideo Soejima
秀夫 副島
Yukio Tokunaga
幸穂 徳長
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DaikyoNishikawa Corp
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Nishikawa Kasei Co Ltd
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  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Instrument Panels (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To prevent air from blocking in a through-hole of a base material and a welding part communicating to that. <P>SOLUTION: The through-hole 59 which discharges the air from the clearance between the base material 3 and a skin 5 to the back surface side of the base material 3 at the time of adhering the skin, is formed on the base material 3. A grid-shape welded rib 31 is projected on a flange part 21 and a flap part 25 of a frame body 15. A communication hole 61 communicating the through-hole 59 to the outside air is penetratingly formed on the flap part 25. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は、表皮付車両用内装パネルの改良に関するものである。   The present invention relates to an improvement of a vehicle interior panel with a skin.

上述の如き表皮付車両用内装パネルとして、特許文献１のようなインストルメントパネルがある。このインストルメントパネルでは、基材表面に表皮が接着されたインストルメントパネル本体を備えている。また、上記基材裏面には、エアバッグ装置を収納する構造体としての枠体が振動溶着されている。この枠体は、略矩形環状の板材からなる基部と、該基部裏面から下方に延びる前後一対のエアバッグ装置取付用の取付部と、上記基部の内側にエアバッグドア部に対応するように配置されて基部内周辺部にヒンジ部を介して連結された補強用フラップ部とからなる。上記基部及びフラップ部には、振動用の溶着リブが車体前後方向に間隔をあけて平行にかつ車幅方向に延びるように突設され、この溶着リブを基材裏面に当接させた状態で加振することで基材裏面に枠体（基部及びフラップ部）が振動溶着される。
特開２００１−２９４１１４号公報（第３頁、図２） There exists an instrument panel like patent document 1 as an interior panel for vehicles with a skin as mentioned above. This instrument panel includes an instrument panel body having a skin adhered to the surface of a base material. A frame body as a structure for housing the airbag device is vibration welded to the back surface of the base material. The frame body is arranged so as to correspond to the airbag door portion inside the base portion, a base portion made of a substantially rectangular annular plate, a pair of front and rear airbag devices extending downward from the back surface of the base portion, and the base portion. The reinforcing flap portion is connected to the inner peripheral portion of the base portion via a hinge portion. In the base portion and the flap portion, vibration welding ribs are provided so as to project in parallel in the vehicle longitudinal direction and extend in the vehicle width direction, with the welding ribs in contact with the back surface of the substrate. By vibrating, the frame (base portion and flap portion) is vibration welded to the back surface of the base material.
JP 2001-294114 A (page 3, FIG. 2)

ところで、表皮を基材表面に例えば真空引きにより密着させて図示しない接着剤により接着する場合、一般には、図１２に示すように、基材ａには貫通孔ｂが形成されていて、表皮接着時に基材ａと表皮ｃとの間からエアを上記貫通孔ｂを経て基材ａ裏面側に排出するようになっている。なお、図１２では、特許文献１と同様に、内装パネルがインストルメントパネルである場合を示すが、基材ａ裏面に振動溶着される枠体ｄは、後述する各実施形態のように略矩形筒状の枠部ｅと、該枠部ｅ上端外周から外側方に延びるフランジ部ｆと、上記枠部ｅの内側に配置されて上記フランジ部ｆ内周辺部にヒンジ部（図示せず）を介して連結された補強用フラップ部ｇとからなり、上記枠部ｅは特許文献１の取付部に、上記フランジ部ｆは特許文献１の基部にそれぞれ対応する。   By the way, when the epidermis is brought into close contact with the surface of the base material by, for example, vacuum drawing and is adhered with an adhesive (not shown), generally, as shown in FIG. Sometimes air is discharged from between the base material a and the skin c through the through hole b to the back surface side of the base material a. In addition, although the case where an interior panel is an instrument panel is shown in FIG. 12 similarly to patent document 1, the frame d d vibration-welded to the base material a back surface is substantially rectangular like each embodiment mentioned later. A cylindrical frame part e, a flange part f extending outward from the outer periphery of the upper end of the frame part e, and a hinge part (not shown) disposed inside the frame part e and inside the flange part f The frame portion e corresponds to the attachment portion of Patent Document 1, and the flange portion f corresponds to the base portion of Patent Literature 1.

しかし、基材ａと枠体ｄ（フランジ部ｆ及びフラップ部ｇ）との溶着強度を高めるために溶着リブｈを特許文献１とは異なり格子状に突設すると、溶着リブｈで囲まれる空間ｉが密閉空間になり、上記貫通孔ｂ内及びそれに連通する空間ｉ内にエアが閉じ込められて逃げ場がなくなる。この空間ｉは、振動溶着時に溶着リブｈが摩減することで容積が小さくなるとともに摩擦熱でエアが膨張するため、空間ｉのエア圧が高まり、特に、基材ａと表皮ｃとの接着が未だ十分でない時には、表皮ｃが外側に膨れて膨出部ｊができ易くなり、見栄えが悪くなってインストルメントパネルｋの商品価値の低下を招く。図１２中、ｌは略矩形状に包囲する溝部ｍにより薄肉に形成された破断予定部である。   However, when the welding ribs h are projected in a lattice shape unlike the patent document 1 in order to increase the welding strength between the base material a and the frame body d (the flange portion f and the flap portion g), the space surrounded by the welding ribs h. i becomes a sealed space, air is confined in the through hole b and the space i communicating with the through hole b, and there is no escape space. In this space i, the volume of the space i decreases due to wear of the welding rib h during vibration welding, and the air expands due to frictional heat, so that the air pressure in the space i increases, and in particular, the adhesion between the base material a and the skin c. Is still not sufficient, the skin c swells outward and the bulging portion j is easily formed, which deteriorates the appearance of the instrument panel k. In FIG. 12, l is a planned fracture portion formed thinly by a groove portion m surrounding a substantially rectangular shape.

この発明はかかる点に鑑みてなされたものであり、その目的とするところは、エアを基材の貫通孔及びそれに連通する溶着部に閉じ込めないようにすることである。   The present invention has been made in view of this point, and an object of the present invention is to prevent air from being trapped in the through hole of the base material and the welded portion communicating therewith.

上記の目的を達成するため、この発明は、構造体又は溶着リブに連通路を設けて基材のエア排出用の貫通孔を連通路により外気に連通させたことを特徴とする。   In order to achieve the above object, the present invention is characterized in that a communication passage is provided in the structure or the welding rib, and a through hole for discharging air from the base material is communicated with outside air through the communication passage.

具体的には、この発明は、基材表面に表皮が接着され基材裏面に樹脂製構造体が振動溶着された表皮付車両用内装パネルを対象とし、次のような解決手段を講じた。   Specifically, the present invention is directed to a vehicle interior panel with a skin in which a skin is bonded to the surface of the base material and a resin structure is vibration welded to the back surface of the base material, and the following solution is taken.

すなわち、請求項１に係る発明は、上記基材には、表皮接着時に基材と表皮との間からエアを基材裏面側に排出する貫通孔が形成され、上記基材及び構造体の一方には、該一方から突出して他方に振動溶着された格子状の溶着リブが形成され、上記構造体には、上記貫通孔を外気に連通する連通路が設けられていることを特徴とする。   That is, in the invention according to claim 1, in the base material, a through hole for discharging air to the back side of the base material from between the base material and the skin is formed at the time of skin adhesion, and one of the base material and the structure is formed. Is formed with a grid-like welding rib projecting from the one and vibration-welded to the other, and the structure is provided with a communication passage that communicates the through hole with the outside air.

請求項２に係る発明は、上記基材には、表皮接着時に基材と表皮との間からエアを基材裏面側に排出する貫通孔が形成され、上記基材及び構造体の一方には、該一方から突出して他方に振動溶着された格子状の溶着リブが形成され、該溶着リブには、上記貫通孔を外気に連通する連通路が設けられていることを特徴とする。   According to a second aspect of the present invention, the base material is provided with a through hole for discharging air from between the base material and the skin to the back side of the base material when the skin is adhered, A grid-like weld rib projecting from the one and vibration welded to the other is formed, and the weld rib is provided with a communication passage that communicates the through hole with the outside air.

請求項１，２に係る発明によれば、溶着リブが格子状であることで基材と構造体との溶着面積が増大して両者の溶着強度を高めることができる。さらに、貫通孔内のエアを溶着リブで囲まれる空間内のエアと共に滞留させることなく連通路から排出することができ、特に、基材と表皮との接着が未だ十分でない時に、エア圧で表皮表面に膨出部ができ易くなるのを確実に防止して見栄えを向上させることができ、商品価値を高めることができる。しかも、基材と表皮との接着が十分に行われるまで待たずに振動溶着できるので、短時間に効率良く内装パネルを得ることができる。   According to the first and second aspects of the invention, since the welding ribs are in a lattice shape, the welding area between the base material and the structure can be increased, and the welding strength of both can be increased. Further, the air in the through hole can be discharged from the communication path without staying together with the air in the space surrounded by the welding ribs, and particularly when the adhesion between the base material and the skin is not yet sufficient, It is possible to surely prevent the bulging portion from being easily formed on the surface, improve the appearance, and increase the commercial value. Moreover, since vibration welding can be performed without waiting until the adhesion between the substrate and the skin is sufficiently performed, an interior panel can be efficiently obtained in a short time.

以下、この発明の実施の形態について図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

（実施形態１）
図５はこの発明の実施形態１に係る表皮付車両用内装パネルとしてのインストルメントパネル１の助手席前方部分を示す。図２は図５のII−II線における断面図である。このインストルメントパネル１は、ポリプロピレン（ＰＰ）等で成形された樹脂製基材３と、この基材３表面に例えば真空引きにより密着されて接着剤（図示せず）により一体に接着された樹脂製表皮５とからなる２層構造のインストルメントパネル本体７を備えている。 (Embodiment 1)
FIG. 5 shows a front part of a passenger seat of an instrument panel 1 as an interior panel for a vehicle with a skin according to Embodiment 1 of the present invention. 2 is a cross-sectional view taken along line II-II in FIG. The instrument panel 1 includes a resin base material 3 formed of polypropylene (PP) or the like, and a resin that is adhered to the surface of the base material 3 by, for example, vacuum drawing and is integrally bonded with an adhesive (not shown). An instrument panel body 7 having a two-layer structure consisting of a skin 5 is provided.

上記インストルメントパネル本体７の基材３裏面には、対向する２辺が車幅方向に平行に延びるとともに他の対向する２辺が車体前後方向に平行に延びて平面視略矩形状に包囲する溝部９が形成され、この溝部９に対応するインストルメントパネル本体７部分が薄肉に形成されて平面視略矩形状の破断予定部１１が形成されている。そして、この破断予定部１１によって囲まれる領域により、車両衝突時に後述するエアバッグ装置３３の作動で上記破断予定部１１を破断して開くエアバッグドア部１３が後述するシューティング口１９に略対応するように画成されている。このエアバッグドア部１３は、上記破断予定部１１を形成する溝部９がインストルメントパネル本体７表面側から識別できない，いわゆるシームレスタイプに構成されている。   On the back surface of the base material 3 of the instrument panel body 7, two opposing sides extend parallel to the vehicle width direction, and the other two opposing sides extend parallel to the vehicle body front-rear direction so as to surround a substantially rectangular shape in plan view. A groove portion 9 is formed, and a portion of the instrument panel main body 7 corresponding to the groove portion 9 is formed to be thin, so that a planned fracture portion 11 having a substantially rectangular shape in plan view is formed. And by the area | region enclosed by this fracture | rupture scheduled part 11, the airbag door part 13 which fractures | ruptures and opens the said fracture | rupture planned part 11 by the action | operation of the airbag apparatus 33 mentioned later at the time of a vehicle collision substantially respond | corresponds to the shooting port 19 mentioned later. It is defined as follows. The airbag door portion 13 is configured as a so-called seamless type in which the groove portion 9 that forms the planned fracture portion 11 cannot be identified from the surface side of the instrument panel body 7.

上記エアバッグドア部１３及びその周辺のインストルメントパネル本体７に対応する基材３裏面には、樹脂製構造体としての枠体１５が振動溶着により固定されている。上記枠体１５は略矩形筒状に形成された枠部１７を備え、この枠部１７は、車幅方向に延びる前側枠壁１７ａと、この前側枠壁１７ａの後側に対向配置されて車幅方向に延びる後側枠壁１７ｂと、これら前側枠壁１７ａ及び後側枠壁１７ｂの左縁同士を連結するように車体前後方向に延びる左側枠壁１７ｃ（図４に現れる）と、右縁同士を連結するように車体前後方向に延びる右側枠壁１７ｄとからなる。また、枠部１７上端である開口端内側には、図３及び図４にも示すように、エアバッグが膨出する略矩形状のシューティング口１９が形成され、上記枠部１７上端外側には、枠部１７に略直交するように上記シューティング口１９周辺部から枠部１７外方に延びるフランジ部２１が一体に成形されている。   A frame body 15 as a resin structure is fixed to the back surface of the base material 3 corresponding to the airbag door section 13 and the surrounding instrument panel body 7 by vibration welding. The frame body 15 includes a frame portion 17 formed in a substantially rectangular cylindrical shape. The frame portion 17 is arranged to face the front frame wall 17a extending in the vehicle width direction and the rear side of the front frame wall 17a. A rear frame wall 17b extending in the width direction, a left frame wall 17c (appearing in FIG. 4) extending in the vehicle longitudinal direction so as to connect the left edges of the front frame wall 17a and the rear frame wall 17b, and a right edge It comprises a right frame wall 17d extending in the longitudinal direction of the vehicle body so as to connect each other. Further, as shown in FIGS. 3 and 4, a substantially rectangular shooting port 19 for inflating the airbag is formed on the inner side of the opening end which is the upper end of the frame portion 17. A flange portion 21 that extends outward from the peripheral portion of the shooting port 19 so as to be substantially orthogonal to the frame portion 17 is integrally formed.

上記枠部１７のシューティング口１９には、補強用の樹脂製フラップ部２５が配置されている。このフラップ部２５は、エアバッグ装置３３の作動で上記エアバッグドア部１３と共に開くため、低温状態で破損し難い高靱性の樹脂材で成形されている。これに対し、上記枠部１７及びフランジ部２１は、エアバッグドア部１３周りのインストルメントパネル本体７を補強するため、比較的高い剛性のガラス繊維入り樹脂材で成形されている。上記フラップ部２５の基端には略Ｓ字状に湾曲するヒンジ部２７が一体に形成され、ヒンジ部２７の基部２７ａが上記枠部１７とフランジ部２１との車体前方側の一辺である交差部２９に結合され、これにより、上記フラップ部２５は、上記シューティング口１９を開閉可能にその一辺側のフランジ部２１内周辺部にヒンジ部２７を介して一体に連結されている。   A reinforcing resin flap portion 25 is disposed in the shooting port 19 of the frame portion 17. Since the flap portion 25 is opened together with the airbag door portion 13 by the operation of the airbag device 33, the flap portion 25 is formed of a high-toughness resin material that is not easily damaged in a low temperature state. On the other hand, the frame portion 17 and the flange portion 21 are formed of a resin material containing a relatively high rigidity glass fiber in order to reinforce the instrument panel body 7 around the airbag door portion 13. A hinge portion 27 that is curved in a substantially S shape is integrally formed at the base end of the flap portion 25, and a base portion 27a of the hinge portion 27 is an intersection of the frame portion 17 and the flange portion 21 that is one side of the vehicle body front side. The flap portion 25 is integrally connected to the peripheral portion in the flange portion 21 on one side thereof via the hinge portion 27 so that the shooting port 19 can be opened and closed.

上記フランジ部２１及びフラップ部２５の表面には、格子状の溶着リブ３１が縦横に一体に突設されているとともに、ヒンジ部２７の基部２７ａにも溶着リブ３１が一体に突設され、これら溶着リブ３１を介してフランジ部２１、フラップ部２５及びヒンジ部２７の基部２７ａがインストルメントパネル本体７の基材３裏面に振動溶着により固定されて、枠体１５がインストルメントパネル本体７裏側に配置されている。これにより、上記基材３とフランジ部２１及びフラップ部２５との間で溶着リブ３１で囲まれた空間Ｓが密閉される（図１参照）。なお、上記溶着リブ３１は基材３側に設けてもよい。   On the surfaces of the flange portion 21 and the flap portion 25, lattice-like welding ribs 31 are integrally projected in the vertical and horizontal directions, and the welding ribs 31 are also integrally projected on the base portion 27a of the hinge portion 27. The flange portion 21, the flap portion 25, and the base portion 27 a of the hinge portion 27 are fixed to the back surface of the base material 3 of the instrument panel body 7 by vibration welding via the welding rib 31, and the frame body 15 is attached to the back side of the instrument panel body 7. Has been placed. Thereby, the space S surrounded by the welding rib 31 is sealed between the base material 3 and the flange portion 21 and the flap portion 25 (see FIG. 1). The welding rib 31 may be provided on the base material 3 side.

上記枠部１７内には、車体前後方向からの衝撃から助手席の乗員を保護するためのエアバッグ及びインフレータ等からなるエアバッグ装置３３が収納され、このエアバッグ装置３３には、複数のフック３５が車幅方向に間隔をあけて固定され、これらフック３５を枠部１７に車幅方向に間隔をあけて形成された複数の掛合孔１７ｅに挿入し、エアバッグ装置作動時に各フック３５が各掛合孔１７ｅ周縁に引っ掛かり、枠体１５が飛び出さないようになっている。   An air bag device 33 including an air bag and an inflator for protecting the passenger in the front passenger seat from an impact in the longitudinal direction of the vehicle body is housed in the frame portion 17, and the air bag device 33 includes a plurality of hooks. 35 are fixed at intervals in the vehicle width direction, and these hooks 35 are inserted into a plurality of engaging holes 17e formed at intervals in the vehicle width direction in the frame portion 17, and each hook 35 is engaged when the airbag device is operated. The frame body 15 is prevented from jumping out by being caught on the periphery of each engagement hole 17e.

上記エアバッグ装置３３下端には、ネジ部材３７が下向きに突設され、このネジ部材３７は金属製ブラケット３９の一端側に形成された貫通孔３９ａに挿入され、ナット４１を上記ネジ部材３７に螺合させることにより上記ブラケット３９がエアバッグ装置３３下端に締結されている。また、上記ブラケット３９の他端側は、車幅方向に延びてインストルメントパネル本体７を支持する金属製インパネレインフォースメント４３に溶接により固定されている。これにより、上記エアバッグ装置３３下端がインパネレインフォースメント４３にブラケット３９を介して連結支持されている。   A screw member 37 projects downward from the lower end of the airbag device 33, and the screw member 37 is inserted into a through hole 39 a formed on one end side of a metal bracket 39, and a nut 41 is attached to the screw member 37. The bracket 39 is fastened to the lower end of the airbag device 33 by screwing. The other end of the bracket 39 is fixed by welding to a metal instrument panel reinforcement 43 that extends in the vehicle width direction and supports the instrument panel body 7. Thus, the lower end of the airbag device 33 is connected and supported to the instrument panel reinforcement 43 via the bracket 39.

上記枠部１７とフランジ部２１との交差部２９において上記ヒンジ部２７の基部２７ａが結合される部位には、上記シューティング口１９が拡口するように断面略Ｌ字状の段差部４５が形成され、このことにより交差部２９の外側には断面略Ｌ字状の膨出壁４９が形成されている。そして、上記ヒンジ部２７の基部２７ａは、上記段差部４５に一体にモールド成形されて結合されるとともに上記インストルメントパネル本体７の裏面に振動溶着されて固定されている。これにより、上記段差部４５の幅だけヒンジ部２７及び破断予定部１１が枠体１５内壁に接近してヒンジ部２７の溶着リブ３１と破断予定部１１との距離が狭くなり、エアバッグ装置３３作動時にヒンジ部２７の基部２７ａ周りのインストルメントパネル本体７が大きく撓まないようにしてエアバッグの膨出圧を破断予定部１１に集中して作用させて破断予定部１１を正規の状態で破断することができる。   A stepped portion 45 having a substantially L-shaped cross section is formed at the intersection 29 of the frame portion 17 and the flange portion 21 at a portion where the base portion 27a of the hinge portion 27 is coupled so that the shooting port 19 expands. Thus, a bulging wall 49 having a substantially L-shaped cross section is formed outside the intersecting portion 29. The base portion 27a of the hinge portion 27 is molded and joined integrally with the step portion 45 and is vibration-welded to the back surface of the instrument panel body 7 and fixed. Accordingly, the hinge portion 27 and the planned fracture portion 11 approach the inner wall of the frame body 15 by the width of the stepped portion 45, and the distance between the welding rib 31 of the hinge portion 27 and the planned fracture portion 11 is reduced, and the airbag device 33. In operation, the instrument panel body 7 around the base portion 27a of the hinge portion 27 is not greatly bent so that the inflation pressure of the airbag is concentrated on the planned break portion 11 so that the planned break portion 11 is in a normal state. Can break.

上記ヒンジ部２７の基部２７ａを段差部４５に一体にモールド成形する要領は、まず、枠部１７及びフランジ部２１を予め一体成形し、その後、金型により上記枠部１７にフラップ部２５が図４に示すように若干展開した状態になるように一体にモールド成形する，いわゆる二重インジェクション成形（２色成形）により行われる。この際、ヒンジ部２７の基部２７ａが段差部４５に一体にモールド成形されて結合される。なお、上記段差部４５の縦壁に、図２に仮想線で示すように、断面略Ｔ字状のアンカー部５１をヒンジ部２７の長手方向に沿って一体に成形すれば、ヒンジ部２７が段差部４５に強固に連結される。   The procedure for integrally molding the base portion 27a of the hinge portion 27 to the step portion 45 is as follows. First, the frame portion 17 and the flange portion 21 are integrally formed in advance, and then the flap portion 25 is formed on the frame portion 17 by a mold. As shown in FIG. 4, so-called double injection molding (two-color molding) is performed in which the molds are integrally molded so as to be in a slightly expanded state. At this time, the base portion 27 a of the hinge portion 27 is integrally molded and coupled to the step portion 45. If the anchor portion 51 having a substantially T-shaped cross section is integrally formed along the longitudinal direction of the hinge portion 27 on the vertical wall of the stepped portion 45 as indicated by a virtual line in FIG. The step 45 is firmly connected.

上記フラップ部２５の反ヒンジ部側であるフラップ部２５先端には、図１に拡大詳示するように、延出部５３が上記フランジ部２１内周辺部と枠部１７との交差部５７に重合するように延出して略直角に垂設されている。一方、上記交差部５７は枠部１７外側に膨出しており、この膨出部分の枠部１７内側に断面Ｌ字状の棚部５５が形成されている。そして、上記延出部５３を棚部５５に対応させて僅かな隙間Ｃ１を有するように互いに接近させた状態で、上記棚部５５によりエアバッグドア部１３に表面側から掛かった荷重を支えるとともに、延出部５３を破断予定部１１に対して位置決めするようになっている。また、上記フラップ部２５は、上記枠部１７の車幅方向両側との間に隙間Ｃ２を有して上記シューティング口１９を覆っている（図３参照）。   As shown in an enlarged detail in FIG. 1, an extended portion 53 is formed at the intersection 57 between the inner peripheral portion of the flange portion 21 and the frame portion 17 at the tip of the flap portion 25 on the side opposite to the hinge portion of the flap portion 25. It extends so as to be polymerized and is suspended at a substantially right angle. On the other hand, the intersecting portion 57 bulges outside the frame portion 17, and a shelf portion 55 having an L-shaped cross section is formed inside the bulged portion of the frame portion 17. And while the extension part 53 is made to correspond to the shelf part 55 so as to have a slight gap C1, the shelf part 55 supports the load applied to the airbag door part 13 from the surface side. The extended portion 53 is positioned with respect to the planned break portion 11. Moreover, the said flap part 25 has the clearance gap C2 between the vehicle width direction both sides of the said frame part 17, and has covered the said shooting mouth 19 (refer FIG. 3).

上記基材３のフラップ部２５先端寄り中央に対応する箇所には、表皮接着時に基材３と表皮５との間からエアを基材３裏面側に排出する貫通孔５９が形成され、この貫通孔５９は基材３とフラップ部２５との間の溶着リブ３１で囲まれる空間Ｓの１つに連通している。一方、上記フラップ部２５先端寄り中央には連通路を構成する連通孔６１が貫通形成され、この連通孔６１は上記空間Ｓに連通していて上記貫通孔５９を外気に連通させている。このことを実施形態１の特徴としている。   A through hole 59 for discharging air from between the base material 3 and the skin 5 to the back side of the base material 3 is formed at a location corresponding to the center of the base material 3 near the front end of the flap portion 25. The hole 59 communicates with one of the spaces S surrounded by the welding rib 31 between the base material 3 and the flap portion 25. On the other hand, a communication hole 61 constituting a communication path is formed through the center near the tip of the flap portion 25. The communication hole 61 communicates with the space S and allows the through hole 59 to communicate with the outside air. This is a feature of the first embodiment.

上記フラップ部２５は、フランジ部２１と共に次のようにしてインストルメントパネル本体７の基材３裏面に振動溶着される。まず、上述の如く一体となった枠部１７、フランジ部２１及びフラップ部２５を、フラップ部２５がシューティング口１９を閉じるようにヒンジ部２７回りに回動してインストルメントパネル本体７裏面に配置し、表裏両側から治具（図示せず）で挟持する。このとき、フラップ部２５の延出部５３が棚部５５によってフランジ部２１側へ移動するのが規制される。その後、インストルメントパネル本体７及び枠体１５を相対的に振動させて枠体１５を基材３裏面に振動溶着する。   The said flap part 25 is vibration welded to the base material 3 back surface of the instrument panel main body 7 with the flange part 21 as follows. First, the frame portion 17, the flange portion 21, and the flap portion 25 that are integrated as described above are rotated around the hinge portion 27 so that the flap portion 25 closes the shooting port 19 and disposed on the back surface of the instrument panel body 7. And it clamps with a jig | tool (not shown) from the front and back both sides. At this time, the extension portion 53 of the flap portion 25 is restricted from moving toward the flange portion 21 by the shelf portion 55. Thereafter, the instrument panel body 7 and the frame body 15 are relatively vibrated, and the frame body 15 is vibration welded to the back surface of the base material 3.

上述の如く構成されたインストルメントパネル１では、車両が衝突すると、エアバッグ装置３３のエアバッグがインフレータの作動によって膨出し、その膨出圧でエアバッグドア部１３及びフラップ部２５が上方に押圧されて破断予定部１１が破断するとともにヒンジ部２７が直線状態に伸び、これにより、エアバッグドア部１３が図２仮想線のようにフラップ部２５と一体となって上方に突出し、その後、図示しないが、上記直線状態のヒンジ部２７を開作動支点として回動して車体前方上向きに開くようになっている。   In the instrument panel 1 configured as described above, when the vehicle collides, the airbag of the airbag device 33 is inflated by the operation of the inflator, and the airbag door portion 13 and the flap portion 25 are pressed upward by the inflation pressure. As a result, the hinge portion 27 extends in a straight line state and the airbag door portion 13 projects upward together with the flap portion 25 as shown in phantom lines in FIG. However, the hinge portion 27 in the linear state is rotated about the opening operation fulcrum and is opened upward in the front of the vehicle body.

このように、実施形態１では、溶着リブ３１を格子状に配置しているので、基材３と枠体１５（フランジ部２１及びフラップ部２５）との溶着面積を増大させることができて両者を強固に溶着することができる。   Thus, in Embodiment 1, since the welding rib 31 is arrange | positioned at the grid | lattice form, the welding area of the base material 3 and the frame 15 (flange part 21 and flap part 25) can be increased, and both Can be firmly welded.

さらに、実施形態１では、貫通孔５９と溶着リブ３１で囲まれる空間Ｓとを連通孔６１で外気に連通させているので、上記貫通孔５９内のエアを上記溶着リブ３１で囲まれる空間Ｓ内のエアと共に滞留させることなく上記連通孔６１からフラップ部２５裏面側に排出することができ、特に、基材３と表皮５とが未だ十分に接着していない段階で枠体１５を基材３裏面に振動溶着しても、エア圧により表皮５表面に膨出部ができ易くなるのを確実に防止して見栄えを向上させることができ、商品価値を高めることができる。しかも、基材３と表皮５との接着が十分に行われるまで待たずに振動溶着できるので、短時間に効率良くインストルメントパネル１を製造することができる。   Further, in the first embodiment, since the space S surrounded by the through hole 59 and the welding rib 31 is communicated with the outside air through the communication hole 61, the air in the through hole 59 is surrounded by the welding rib 31. The frame 15 can be discharged from the communication hole 61 to the back surface side of the flap portion 25 without staying together with the air inside, particularly when the base material 3 and the skin 5 are not yet sufficiently bonded. 3. Even if vibration welding is performed on the back surface, it is possible to reliably prevent the bulging portion from being easily formed on the surface of the skin 5 due to air pressure, improve the appearance, and increase the commercial value. Moreover, since vibration welding can be performed without waiting until the base material 3 and the skin 5 are sufficiently bonded, the instrument panel 1 can be efficiently manufactured in a short time.

（実施形態２）
図６及び図７は実施形態２に係る表皮付車両用内装パネルとしてのインストルメントパネル１を示す。このインストルメントパネル１では、基材３の貫通孔５９とフラップ部２５の連通孔６１とが上下に対応せずに車体前後方向にずれた位置に形成されている。そして、上記連通孔６１を囲む４個の溶着リブ３１と、フラップ部２５先端側で上記貫通孔５９を挟むように車幅方向に並ぶ２個の溶着リブ３１とに連通溝３１ａをそれぞれ形成し、上記貫通孔５９と連通孔６１との間に位置する溶着リブ３１の連通溝３１ａによって貫通孔５９と連通孔６１とを連通し、この連通溝３１ａと上記連通孔６１とで貫通孔５９を外気に連通する連通路を構成している。また、他の５個の連通溝３１ａにより連通孔６１周りの６個の空間Ｓを当該連通孔６１のある空間Ｓに連通させている。そのほかは実施形態１と同様に構成されているので、同一の構成箇所には同一の符号を付してその詳細な説明を省略する。 (Embodiment 2)
6 and 7 show an instrument panel 1 as an interior panel for a vehicle with a skin according to the second embodiment. In the instrument panel 1, the through hole 59 of the base material 3 and the communication hole 61 of the flap portion 25 are formed at positions shifted in the longitudinal direction of the vehicle body without corresponding to the vertical direction. Then, communication grooves 31a are respectively formed in the four welding ribs 31 surrounding the communication hole 61 and the two welding ribs 31 arranged in the vehicle width direction so as to sandwich the through hole 59 on the front end side of the flap portion 25. The through hole 59 and the communication hole 61 are communicated with each other by the communication groove 31a of the welding rib 31 positioned between the through hole 59 and the communication hole 61, and the through hole 59 is defined by the communication groove 31a and the communication hole 61. A communication path communicating with the outside air is configured. Further, the six spaces S around the communication hole 61 are communicated with the space S having the communication hole 61 by the other five communication grooves 31 a. The rest of the configuration is the same as that of the first embodiment, and thus the same components are denoted by the same reference numerals and detailed description thereof is omitted.

したがって、実施形態２では、実施形態１と同様の作用効果を奏することができる。加えて、実施形態２では、６個の連通溝３１ａと１個の連通孔６１とで当該連通孔６１のある空間Ｓ以外にその周りの６個の空間Ｓをも外気に連通させることができ、個々の空間Ｓ毎に連通孔６１を形成する場合に比べて１個の連通孔６１を形成するだけでよいので、強度を確保することができる。   Therefore, in the second embodiment, the same effect as that of the first embodiment can be achieved. In addition, in the second embodiment, the six communication grooves 31a and the one communication hole 61 allow the six spaces S around the communication hole 61 to communicate with the outside air in addition to the space S having the communication hole 61. Compared with the case where the communication hole 61 is formed for each space S, it is only necessary to form one communication hole 61, so that the strength can be ensured.

（実施形態３）
図８及び図９は実施形態３に係る表皮付車両用内装パネルとしてのインストルメントパネル１を示す。このインストルメントパネル１では、貫通孔５９からフラップ部２５先端側で車体前後方向に並ぶ２個の溶着リブ３１に連通溝３１ａをそれぞれ形成し、これら連通溝３１ａと、フラップ部２５の延出部５３と棚部５５との間の隙間Ｃ１とで、貫通孔５９を外気に連通する連通路を構成している。そのほかは実施形態１と同様に構成されているので、同一の構成箇所には同一の符号を付してその詳細な説明を省略する。 (Embodiment 3)
8 and 9 show an instrument panel 1 as an interior panel for a vehicle with a skin according to the third embodiment. In the instrument panel 1, communication grooves 31 a are respectively formed in the two welding ribs 31 aligned in the longitudinal direction of the vehicle body from the through hole 59 on the front end side of the flap portion 25, and the communication grooves 31 a and the extension portion of the flap portion 25 are formed. A gap C <b> 1 between 53 and the shelf 55 constitutes a communication path that communicates the through hole 59 with the outside air. The rest of the configuration is the same as that of the first embodiment, and thus the same components are denoted by the same reference numerals and detailed description thereof is omitted.

したがって、実施形態３においても、実施形態１と同様の作用効果を奏することができる。加えて、実施形態３では、既存の隙間Ｃ１をも連通路として利用しているので、実施形態１，２の如き連通孔６１を形成しないでよい分だけ手間が省けるとともに強度を確保することができる。   Therefore, also in the third embodiment, the same function and effect as in the first embodiment can be achieved. In addition, in the third embodiment, since the existing gap C1 is also used as the communication path, it is possible to save labor and secure strength to the extent that it is not necessary to form the communication hole 61 as in the first and second embodiments. it can.

（実施形態４）
図１０及び図１１は実施形態４に係る表皮付車両用内装パネルとしてのグローブボックス１０１を示す。このグローブボックス１０１は、小物類を収容する樹脂製構造体としてのグローブボックス本体１１５とリッド１０４とで構成されている。上記リッド１０４は、グローブボックス本体１１５の前壁を構成するリッドインナパネル１０８と、グローブボックス本体１１５とは別体のリッドアウタパネル１０７とからなる。該リッドアウタパネル１０７は、樹脂製基材１０３と、この基材１０３表面に例えば真空引きにより密着されて接着剤（図示せず）により一体に接着された樹脂製表皮１０５とからなり、上記基材１０３裏面に上記リッドインナパネル１０８が振動溶着により固定されてリッド１０４が組み付けられている。 (Embodiment 4)
10 and 11 show a glove box 101 as an interior panel for a vehicle with a skin according to the fourth embodiment. The glove box 101 is composed of a glove box main body 115 and a lid 104 as a resin structure that accommodates small items. The lid 104 includes a lid inner panel 108 constituting a front wall of the glove box body 115 and a lid outer panel 107 separate from the glove box body 115. The lid outer panel 107 includes a resin base material 103 and a resin skin 105 that is brought into close contact with the surface of the base material 103 by, for example, vacuuming and is integrally bonded with an adhesive (not shown). The lid inner panel 108 is fixed to the back surface 103 by vibration welding and the lid 104 is assembled.

上記リッドインナパネル１０８の表面には、格子状の溶着リブ１３１が縦横に一体に突設され、これら溶着リブ１３１を介してリッドインナパネル１０８がリッドアウタパネル１０７の基材１０３裏面に振動溶着により固定され、上記基材１０３とリッドインナパネル１０８との間で溶着リブ１３１で囲まれた空間Ｓが密閉される。なお、実施形態１で述べたように、上記溶着リブ１３１は基材３側に設けてもよい。   On the surface of the lid inner panel 108, grid-like welding ribs 131 are integrally projected vertically and horizontally, and the lid inner panel 108 is fixed to the back surface of the base material 103 of the lid outer panel 107 by vibration welding via the welding ribs 131. Then, the space S surrounded by the welding rib 131 is sealed between the base material 103 and the lid inner panel 108. As described in the first embodiment, the welding rib 131 may be provided on the base material 3 side.

上記基材１０３には、実施形態１〜３と同様に、表皮接着時に基材１０３と表皮１０５との間からエアを基材１０３裏面側に排出する貫通孔１５９が形成され、この貫通孔１５９は基材１０３とリッドインナパネル１０８との間の空間Ｓの１つに連通している。一方、上記貫通孔１５９から車幅方向一側端部に向かって並ぶ５個の溶着リブ１３１には、連通溝１３１ａがそれぞれ形成され、これら連通溝１３１ａにより上記貫通孔５９を外気に連通する連通路を構成している。   Similar to Embodiments 1 to 3, the base material 103 is formed with a through hole 159 for discharging air from between the base material 103 and the skin 105 to the back side of the base material 103 when the skin is adhered. Communicates with one of the spaces S between the base material 103 and the lid inner panel 108. On the other hand, communication grooves 131a are formed in the five welding ribs 131 arranged from the through hole 159 toward one end in the vehicle width direction, and the communication holes 131a communicate the through hole 59 with the outside air. It constitutes a passage.

したがって、実施形態４においても、実施形態１と同様の作用効果を奏することができ、しかも、実施形態３と同様に、実施形態１，２の如き連通孔６１を形成しないでよい分だけ手間が省けるとともに強度を確保することができる。   Therefore, also in the fourth embodiment, the same operational effects as in the first embodiment can be obtained, and, similarly to the third embodiment, there is no need to form the communication hole 61 as in the first and second embodiments. It can be omitted and the strength can be secured.

なお、実施形態１において、複数の連通孔６１を貫通孔５９周りに貫通形成しておけば、基材３と枠体１５との溶着時に両者に若干の位置ずれが生じていても、貫通孔５９をいずれかの連通孔６１と連通させることができるというメリットを有する。   In the first embodiment, if a plurality of communication holes 61 are formed around the through hole 59, the through hole can be obtained even if a slight misalignment occurs between the base material 3 and the frame 15 during welding. 59 has an advantage that it can communicate with any one of the communication holes 61.

また、実施形態１〜３では、破断予定部１１をインストルメントパネル本体７の裏面に形成された溝部９によって形成したが、針状穴を密接させて多数凹設することで破断予定部１１を形成してもよい。   Further, in the first to third embodiments, the planned fracture portion 11 is formed by the groove portion 9 formed on the back surface of the instrument panel main body 7. It may be formed.

さらに、実施形態１〜３では、エアバッグドア部１３をインストルメントパネル本体７と一体に形成したが、インストルメントパネル本体７に開口部を形成し、この開口部にインストルメントパネル本体７の一部を構成する別部材としてのパネル材を嵌め込み、このパネル材裏面にフラップ部２５を備えた枠体１５を固定してもよい。   Further, in the first to third embodiments, the airbag door portion 13 is formed integrally with the instrument panel main body 7. However, an opening is formed in the instrument panel main body 7, and one of the instrument panel main bodies 7 is formed in the opening. A panel material as another member constituting the part may be fitted, and the frame body 15 including the flap portion 25 may be fixed to the back surface of the panel material.

加えて、実施形態１〜３では、内装パネルがインストルメントパネル１である場合を、実施形態４では、内装パネルがグローブボックス１０１である場合をそれぞれ示したが、他の車両用内装パネルにも適用することができる。   In addition, in Embodiments 1-3, the case where the interior panel is the instrument panel 1 and the case where the interior panel is the glove box 101 are shown in Embodiment 4, respectively, but other vehicle interior panels are also shown. Can be applied.

この発明は、例えば、基材表面に表皮が接着されたインストルメントパネル等のような車両用内装パネルに適用可能である。   The present invention can be applied to, for example, a vehicle interior panel such as an instrument panel having a skin adhered to the surface of a base material.

図２のＡ部拡大図である。It is the A section enlarged view of FIG. 図５のII−II線における断面図である。It is sectional drawing in the II-II line of FIG. 実施形態１における枠体の平面図である。3 is a plan view of a frame body in Embodiment 1. FIG. 実施形態１における枠体の斜視図である。3 is a perspective view of a frame body in Embodiment 1. FIG. 実施形態１に係るインストルメントパネルの助手席前方部分の斜視図である。FIG. 3 is a perspective view of a front part of the passenger seat of the instrument panel according to the first embodiment. 実施形態２の図１相当図である。FIG. 3 is a diagram corresponding to FIG. 図６における枠体の平面図である。It is a top view of the frame in FIG. 実施形態３の図１相当図である。FIG. 6 is a view corresponding to FIG. 1 of Embodiment 3. 図８における枠体の平面図である。It is a top view of the frame in FIG. 実施形態４に係るグローブボックスにおける車幅方向一側端部の横断面図である。FIG. 10 is a transverse cross-sectional view of one end portion in the vehicle width direction in a glove box according to a fourth embodiment. 実施形態４に係るグローブボックスにおいてグローブボックス本体にリッドアウタパネルを組み付ける前の状態を示す分解斜視図である。It is a disassembled perspective view which shows the state before attaching a lid outer panel to a glove box main body in the glove box which concerns on Embodiment 4. 表皮に膨出部ができた状態を示す図１相当図である。FIG. 2 is a view corresponding to FIG. 1 showing a state in which a bulging portion is formed on the epidermis.

符号の説明Explanation of symbols

１ インストルメントパネル（内装パネル）
３ 基材
５ 表皮
１５ 枠体（構造体）
３１ 溶着リブ
３１ａ 連通溝（連通路）
５９ 貫通孔
６１ 連通孔（連通路）
１０１ グローブボックス（内装パネル）
１０３ 基材
１０５ 表皮
１１５ グローブボックス（構造体）
１３１ 溶着リブ
１３１ａ 連通溝（連通路）
１５９ 貫通孔
Ｃ１ 隙間（連通路） 1 Instrument panel (interior panel)
3 Substrate 5 Skin 15 Frame (Structure)
31 Welding rib 31a Communication groove (communication path)
59 Through-hole 61 Communication hole (communication path)
101 Glove box (interior panel)
103 base material 105 skin 115 glove box (structure)
131 welding rib 131a communication groove (communication path)
159 Through hole C1 Clearance (communication path)

Claims (2)

基材表面に表皮が接着され基材裏面に樹脂製構造体が振動溶着された表皮付車両用内装パネルであって、
上記基材には、表皮接着時に基材と表皮との間からエアを基材裏面側に排出する貫通孔が形成され、
上記基材及び構造体の一方には、該一方から突出して他方に振動溶着された格子状の溶着リブが形成され、上記構造体には、上記貫通孔を外気に連通する連通路が設けられていることを特徴とする表皮付車両用内装パネル。 An interior panel for a vehicle with a skin in which a skin is bonded to the surface of the base material and a resin structure is vibration welded to the back surface of the base material,
In the base material, a through-hole for discharging air to the back side of the base material from between the base material and the skin at the time of skin adhesion is formed,
One of the base material and the structure is formed with a lattice-shaped welding rib that protrudes from the one and is vibration welded to the other. An interior panel for a vehicle with a skin, characterized by 基材表面に表皮が接着され基材裏面に樹脂製構造体が振動溶着された表皮付車両用内装パネルであって、
上記基材には、表皮接着時に基材と表皮との間からエアを基材裏面側に排出する貫通孔が形成され、
上記基材及び構造体の一方には、該一方から突出して他方に振動溶着された格子状の溶着リブが形成され、該溶着リブには、上記貫通孔を外気に連通する連通路が設けられていることを特徴とする表皮付車両用内装パネル。
An interior panel for a vehicle with a skin in which a skin is bonded to the surface of the base material and a resin structure is vibration welded to the back surface of the base material,
In the base material, a through-hole for discharging air to the back side of the base material from between the base material and the skin at the time of skin adhesion is formed,
One of the base material and the structure is formed with a grid-like welding rib that protrudes from the one and is vibration welded to the other, and the welding rib is provided with a communication passage that communicates the through hole with the outside air. An interior panel for a vehicle with a skin, characterized by
JP2003390691A 2003-11-20 2003-11-20 Interior panel for vehicle with skin Expired - Fee Related JP4371780B2 (en)

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JP2005153545A true JP2005153545A (en) 2005-06-16
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1749707A2 (en) 2005-08-03 2007-02-07 Takata Corporation Airbag-device cover and airbag device
US7665758B2 (en) 2006-08-01 2010-02-23 Takata Corporation Airbag cover, instrument panel, and airbag apparatus
US8657327B2 (en) 2010-03-04 2014-02-25 Takata Corporation Vehicle interior panel, and airbag device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1749707A2 (en) 2005-08-03 2007-02-07 Takata Corporation Airbag-device cover and airbag device
US7665758B2 (en) 2006-08-01 2010-02-23 Takata Corporation Airbag cover, instrument panel, and airbag apparatus
US8657327B2 (en) 2010-03-04 2014-02-25 Takata Corporation Vehicle interior panel, and airbag device

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