JP4371780B2 - Interior panel for vehicle with skin - Google Patents

Interior panel for vehicle with skin Download PDF

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JP4371780B2
JP4371780B2 JP2003390691A JP2003390691A JP4371780B2 JP 4371780 B2 JP4371780 B2 JP 4371780B2 JP 2003390691 A JP2003390691 A JP 2003390691A JP 2003390691 A JP2003390691 A JP 2003390691A JP 4371780 B2 JP4371780 B2 JP 4371780B2
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hole
base material
skin
communication
vehicle
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JP2005153545A (en
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秀夫 副島
幸穂 徳長
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Daikyo Nishikawa Corp
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Daikyo Nishikawa Corp
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  • Instrument Panels (AREA)

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 ring-shaped plate material, 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 base material. By vibrating, the frame (base and flap) 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 ribs h during vibration welding, and air expands due to frictional heat, so that the air pressure in the space i increases. In particular, the adhesion between the substrate 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や連通溝を設けて基材のエア排出用の貫通孔を連通路や連通溝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 or a communication groove is provided in a structure or a welding rib, and a through-hole for discharging air from the base material is communicated with outside air through the communication passage or the communication groove. And

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、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。 That is, the invention according to claim 1, in the upper Kimotozai, through holes for discharging the air from between the substrate and the skin when the skin bonded to the substrate rear surface side is formed, of the substrate and structures One side is formed with a grid-like welding rib protruding from the one side and vibration-welded to the other side, and the welding rib 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、上記構造体には、連通孔が上記貫通孔に対応する溶着リブで囲まれた空間の隣の空間に開口するように上記貫通孔に対して位置ずれして形成され、上記貫通孔及び連通孔を囲む溶着リブには、連通溝が上記貫通孔及び連通孔に対応する溶着リブで囲まれた空間とその隣の空間とを連通するように形成され、上記貫通孔は、上記連通孔との間の連通溝及び連通孔を介して外気に連通し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 lattice-shaped welding rib protruding from the one side and vibration-welded to the other side is formed, and in the structure, the communication hole opens in a space adjacent to the space surrounded by the welding rib corresponding to the through hole. The weld rib formed so as to be displaced with respect to the through hole and surrounding the through hole and the communication hole is adjacent to the space in which the communication groove is surrounded by the weld rib corresponding to the through hole and the communication hole. The through hole communicates with the outside air through a communication groove and a communication hole between the through hole and the communication hole.

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や連通溝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. Furthermore, the air in the through hole can be discharged from the communication path and the communication groove without staying with the air in the space surrounded by the welding ribs, especially when the adhesion between the base material and the skin is still insufficient. The pressure can surely prevent the bulging portion from being easily formed on the surface of the skin, thereby improving the appearance and increasing 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.

参考例
図5はこの発明の参考例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。
( Reference example )
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 a reference example of the present invention. 2 is a cross-sectional view taken along line II-II in FIG. The instrument panel 1 is made of a resin base material 3 formed of polypropylene (PP) or the like, and a resin that is brought into close contact with 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。このことを参考例の特徴としている。 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 reference example .

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、参考例では、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 the reference example , since the welding ribs 31 are arranged in a lattice pattern, the welding area between the base material 3 and the frame 15 (the flange portion 21 and the flap portion 25) can be increased, and both of them can be used. It can be firmly welded.

さらに、参考例では、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 reference example , the through hole 59 and the space S surrounded by the welding rib 31 are communicated with the outside air through the communication hole 61, so that the air in the through hole 59 is in the space S surrounded by the welding rib 31. The frame 15 can be discharged from the communication hole 61 to the back side of the flap portion 25 without staying together with the air. In particular, the frame 15 is attached to the base 3 at a stage where the base 3 and the skin 5 are not yet sufficiently bonded. 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, thereby improving the appearance and enhancing 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
図6及び図7は実施形態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。この実施形態1では、フラップ部25には、連通孔61が貫通孔59に対応する溶着リブ31で囲まれた空間Sの隣の空間Sに開口するように上記貫通孔59に対して位置ずれして形成されている。また、上記貫通孔59及び連通孔61を囲む溶着リブ31には、連通溝31aが上記貫通孔59及び連通孔61に対応する溶着リブ31で囲まれた空間Sとその隣の空間Sとを連通するように形成されている。さらに、上記貫通孔59は、上記連通孔61との間の連通溝31a及び連通孔61を介して外気に連通している。
(Embodiment 1 )
6 and 7 show the instrument panel 1 as an interior panel with skin vehicle according to the first embodiment. In the first embodiment, the flap portion 25 is displaced with respect to the through hole 59 so that the communication hole 61 opens into the space S adjacent to the space S surrounded by the welding rib 31 corresponding to the through hole 59. Is formed. Further, the welding rib 31 surrounding the through hole 59 and the communication hole 61 includes a space S in which the communication groove 31 a is surrounded by the welding rib 31 corresponding to the through hole 59 and the communication hole 61 and a space S adjacent thereto. It is formed so as to communicate. Further, the through hole 59 communicates with the outside air through the communication groove 31 a between the communication hole 61 and the communication hole 61.

つまり、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を外気に連通するようにしている。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。そのほかは参考例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。 That is, 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 vehicle longitudinal direction without corresponding to the vertical direction. A communication groove 31a is formed in each of 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. They are allowed to communicate with the outside air. 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 reference example, and therefore, the same components are denoted by the same reference numerals and detailed description thereof is omitted.

したがって、実施形態では、参考例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 Embodiment 1 , the same operation effect as a reference example can be produced. In addition, in the first 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
図8及び図9は実施形態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。そのほかは参考例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 )
8 and 9 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, communication grooves 31 a are respectively formed in the two welding ribs 31 arranged in the longitudinal direction of the vehicle body from the through hole 59 on the front end side of the flap portion 25. 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 reference example, and therefore, the same components are denoted by the same reference numerals and detailed description thereof is omitted.

したがって、実施形態においても、参考例と同様の作用効果を奏することができる。加えて、実施形態では、既存の隙間C1をも外気連通として利用しているので、参考例及び実施形態1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 Embodiment 2 , the same operation effect as a reference example can be produced. In addition, in the second embodiment, since the use for the outside-air connection also existing gaps C1, to ensure strength with time only may minutes without forming the such communication hole 61 of the reference examples and the first embodiment can be omitted be able to.

(実施形態
図10及び図11は実施形態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 3 )
10 and 11 show a glove box 101 as an interior panel for a vehicle with a skin according to the third 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 that forms a front wall of the glove box body 115 and a lid outer panel 107 that is a separate body 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、参考例で述べたように、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 reference example , the welding rib 131 may be provided on the substrate 3 side.

上記基材103には、参考例及び実施形態1,2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 the reference example and the first and second embodiments, 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 bonded. The through hole 159 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、実施形態においても、参考例と同様の作用効果を奏することができ、しかも、実施形態と同様に、参考例及び実施形態1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, in the third embodiment, the same effects as the reference example can be obtained, and, similarly to the second embodiment, there is no need to form the communication hole 61 as in the reference example and the first embodiment. It can be omitted and the strength can be secured.

なお、参考例において、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 reference example , if a plurality of communication holes 61 are formed around the through hole 59, the through hole 59 can be used even if a slight misalignment occurs between the base material 3 and the frame 15 during welding. Can be communicated with any one of the communication holes 61.

また、参考例及び実施形態1,2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 reference example and the first and second 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. The part 11 may be formed.

さらに、参考例及び実施形態1,2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 reference example and the first and second embodiments, the airbag door portion 13 is formed integrally with the instrument panel main body 7, but an opening is formed in the instrument panel main body 7, and the instrument panel main body is formed in the opening. 7 may be fitted into a panel member as another member, and the frame body 15 including the flap portion 25 may be fixed to the back surface of the panel member.

加えて、参考例及び実施形態1,2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 the reference example and the first and second embodiments, the case where the interior panel is the instrument panel 1 and the case where the interior panel is the glove box 101 are illustrated in the third embodiment. It can also be applied to panels.

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. 参考例における枠体の平面図である。It is a top view of the frame in a reference example . 参考例における枠体の斜視図である。It is a perspective view of the frame in a reference example . 参考例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。It is a perspective view of the front part of the passenger seat of the instrument panel concerning a reference example . 実施形態の図1相当図である。FIG. 2 is a view corresponding to FIG. 1 of the first embodiment. 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. 実施形態の図1相当図である。FIG. 3 is a diagram corresponding to FIG. 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。It is a cross-sectional view of the vehicle width direction one side end portion in the glove box according to the third embodiment. 実施形態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 3 . 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 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
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
159 貫通孔(連通路)
C1 隙間(連通路)
1 Instrument panel (interior panel)
3 Substrate 5 Skin 15 Frame (Structure)
31 welding rib 31a communicating groove 59 through hole 61 hole (communication passage)
101 Glove box (interior panel)
103 base material 105 skin 115 glove box (structure)
131 welding rib 131a communication groove 159 through hole (communication path)
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、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 base material surface 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 path that communicates the through hole with the outside air. 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、An interior panel for a vehicle with a skin in which a skin is bonded to the base material surface and a resin structure is vibration welded to the back surface of the base material,
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、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,
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、連通孔が上記貫通孔に対応する溶着リブで囲まれた空間の隣の空間に開口するように上記貫通孔に対して位置ずれして形成され、One of the base material and the structure is formed with a lattice-shaped welding rib protruding from the one and vibration-welded to the other, and the communication hole is surrounded by the welding rib corresponding to the through hole in the structure. Formed so as to be displaced with respect to the through-hole so as to open in a space adjacent to the formed space,
上記貫通孔及び連通孔を囲む溶着リブには、連通溝が上記貫通孔及び連通孔に対応する溶着リブで囲まれた空間とその隣の空間とを連通するように形成され、The welding rib surrounding the through hole and the communication hole is formed so that the communication groove communicates the space surrounded by the welding rib corresponding to the through hole and the communication hole and the adjacent space.
上記貫通孔は、上記連通孔との間の連通溝及び連通孔を介して外気に連通していることを特徴とする表皮付車両用内装パネル。The interior panel for a vehicle with a skin, wherein the through hole communicates with outside air through a communication groove and a communication hole between the through hole and the communication hole.
JP2003390691A 2003-11-20 2003-11-20 Interior panel for vehicle with skin Expired - Fee Related JP4371780B2 (en)

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Cited By (1)

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WO2011108477A1 (en) * 2010-03-04 2011-09-09 タカタ株式会社 Vehicle interior panel, and airbag device

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JP2007038868A (en) 2005-08-03 2007-02-15 Takata Corp Cover for air bag device and air bag device
JP5042552B2 (en) 2006-08-01 2012-10-03 タカタ株式会社 Airbag cover, instrument panel, airbag device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011108477A1 (en) * 2010-03-04 2011-09-09 タカタ株式会社 Vehicle interior panel, and airbag device
JP2011183850A (en) * 2010-03-04 2011-09-22 Takata Corp Interior panel for vehicle and air bag device
CN102781732A (en) * 2010-03-04 2012-11-14 高田株式会社 Vehicle interior panel, and airbag device
US8657327B2 (en) 2010-03-04 2014-02-25 Takata Corporation Vehicle interior panel, and airbag device
CN102781732B (en) * 2010-03-04 2015-03-18 高田株式会社 Vehicle interior panel, and airbag device

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