JP2007314135A - Decorating member, and airbag device equipped with decorating member - Google Patents

Decorating member, and airbag device equipped with decorating member Download PDF

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JP2007314135A
JP2007314135A JP2006148685A JP2006148685A JP2007314135A JP 2007314135 A JP2007314135 A JP 2007314135A JP 2006148685 A JP2006148685 A JP 2006148685A JP 2006148685 A JP2006148685 A JP 2006148685A JP 2007314135 A JP2007314135 A JP 2007314135A
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plate
decorative
light
back surface
light guide
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JP4931110B2 (en
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Ko Sasaki
航 佐々木
Yoshio Shimazaki
善夫 嶋▲崎▼
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Ashimori Industry Co Ltd
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Ashimori Industry Co Ltd
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  • Air Bags (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a background color from being reflected in a decorating pattern of a decorating member, and to improve commercial value by enhancing a decorating property and the flexibility of design. <P>SOLUTION: On a back surface of a transparent decorating plate 2 of the decorating member 1 attached to an automobile steering wheel, the decorating pattern 20 is recessed. On the back surface, a transparent light guiding plate 3 is disposed to abut thereon. An abutting plate 4 is disposed on the back surface of the light guiding plate 3. Each plate 2, 3, 4 is integrally held in a container 5 by an annular frame 6. Black coating is performed on a part except for the decorating pattern 30 on the back surface of the decorating plate 2. An optically transparent silver translucent layer is formed on a surface of the light guiding plate 3, and a satin finished surface diffuse reflecting light is formed on the back surface thereof. A while color series coating is performed on the abutting plate 4. A light emitting unit 20 is disposed on a side surface of the light guiding place 3. Light from a light source 22 is led into the light guiding plate 3, and led to the decorating pattern 30 of the decorating plate 2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、ステアリングホイールに取り付けられる装飾部材、或いはステアリングホイールに装着されるエアバッグ装置の装飾部材、及び該装飾部材を備えたエアバッグ装置に関する。   The present invention relates to a decorative member attached to a steering wheel, or a decorative member of an airbag device attached to a steering wheel, and an airbag device including the decorative member.

自動車に搭載される運転席用のエアバッグ装置は、車両衝突時にエアバッグを運転席の前面に展開させ、乗員を受け止めて衝突の衝撃から保護するものであり、ステアリングホイール略中央の乗員と対向する位置に設置されるのが一般的である。従って、この運転席用のエアバッグ装置は、乗員の眼につき易い部品でもあり、乗員の保護機能に加えて、ある程度の美観も要求されている。そこで、従来、ロゴマークや車名等の装飾模様を有する別部材の装飾部材をエアバッグカバーに取り付け、その装飾性を高めて美観の向上を図ったエアバッグ装置が提案されている(特許文献1参照)。   An airbag device for a driver's seat installed in an automobile deploys the airbag on the front of the driver's seat in the event of a vehicle collision, receives the passenger and protects it from the impact of the collision, and faces the passenger at the center of the steering wheel. It is common to install in the position to do. Therefore, the airbag device for the driver's seat is a component that is easily occupant's eyes and requires a certain degree of aesthetics in addition to the occupant protection function. Therefore, conventionally, an airbag device has been proposed in which another decorative member having a decorative pattern such as a logo mark or a car name is attached to the airbag cover to enhance its decorativeness and improve aesthetic appearance (Patent Literature). 1).

図5は、この従来の装飾部材を備えたエアバッグ装置をステアリングホイールに装着した状態を示す正面図である。
このエアバッグ装置110は、図示のように、ステアリングホイール100の中央位置に装着され、そのエアバッグカバー111の略中央部に、装飾部材115を取り付ける取付部112を有する。取付部112は、エアバッグカバー111の表面を環状に凹ませてエアバッグカバー111と一体に形成されている。一方、装飾部材115は、表面に装飾模様を施された金属製の環状部材であり、取付部112の凹部に嵌め込まれて、図示しない固定手段により固定されている。
FIG. 5 is a front view showing a state in which the airbag apparatus having the conventional decorative member is mounted on a steering wheel.
As shown in the figure, the airbag device 110 is mounted at a central position of the steering wheel 100 and has an attachment portion 112 for attaching a decorative member 115 at a substantially central portion of the airbag cover 111. The attachment portion 112 is formed integrally with the airbag cover 111 by denting the surface of the airbag cover 111 in an annular shape. On the other hand, the decorative member 115 is a metal annular member having a decorative pattern on the surface, and is fitted into the concave portion of the mounting portion 112 and fixed by a fixing means (not shown).

このように、従来からエアバッグカバーに装飾部材を備えたエアバッグ装置が知られているが、装飾部材自体の構造としては、装飾性に加えて、例えば自動車のホーン(警笛)スイッチの機能を同時に持たせたものも知られている。   As described above, an airbag device having a decorative member on an airbag cover is conventionally known. As a structure of the decorative member itself, for example, a function of a horn (horn) switch of an automobile is provided in addition to the decorative property. Some of them are also known at the same time.

図6は、特許文献に記載されたものではないが、このような従来の装飾部材の例を示す断面図であり、図7は、図6のZ部の一部を模式的に示す断面図である。   FIG. 6 is a cross-sectional view showing an example of such a conventional decorative member, although it is not described in the patent literature, and FIG. 7 is a cross-sectional view schematically showing a part of the Z portion in FIG. It is.

この従来の装飾部材120は、図示のように、装飾模様130を有する円盤状の装飾板121と、装飾板121の裏面に当接する下板122と、各板121、122を重ねて一体に係合させる保持枠としての環状枠(リング)124と、これらを収容する容器123とを備える。また、下板122の裏面には、環状突条122Aが形成され、容器123の底面には、略環状の案内突条123Aが形成されており、環状突条122Aを案内突条123A内に摺動自在に係合している。   As shown in the figure, the conventional decorative member 120 includes a disk-shaped decorative plate 121 having a decorative pattern 130, a lower plate 122 that contacts the back surface of the decorative plate 121, and the plates 121, 122 stacked together. An annular frame (ring) 124 is provided as a holding frame to be combined, and a container 123 that accommodates them. An annular protrusion 122A is formed on the back surface of the lower plate 122, and a substantially annular guide protrusion 123A is formed on the bottom surface of the container 123. The annular protrusion 122A is slid into the guide protrusion 123A. It engages freely.

容器123底面の略中心部には、座金125Aを挟んで、第1の電極であるボルト125が貫通孔123Bに嵌合している。一方、下板122の環状突条122A内には、第2の電極であるスプリングトレイ126が、ボルト125の頭部に対向して配置され、スプリングトレイ126と容器123底面との間には、バネ127が、コンタクトプレート128を挟んで配置されている。以上の状態から装飾板121が押下されると、スプリングトレイ126が、バネ127の弾発力に抗しながら容器123内を降下し、上記したボルト125に接触して装飾部材120のホーン回路が閉成する。   A bolt 125, which is the first electrode, is fitted in the through hole 123B with a washer 125A sandwiched between substantially the center of the bottom surface of the container 123. On the other hand, in the annular protrusion 122A of the lower plate 122, a spring tray 126 as a second electrode is disposed to face the head of the bolt 125, and between the spring tray 126 and the bottom surface of the container 123, A spring 127 is disposed with the contact plate 128 interposed therebetween. When the decorative plate 121 is pressed from the above state, the spring tray 126 descends in the container 123 while resisting the elastic force of the spring 127, contacts the above-described bolt 125, and the horn circuit of the decorative member 120 Close.

ここで、装飾板121は、例えばアクリル樹脂やポリカーボネート等の透明な材料からできており、その裏面を凹状に窪ませて装飾模様130が形成(本明細書では凹設という)されている。また、装飾板121の裏面には、図7に拡大して示すように、装飾模様130以外の部分に例えば黒色塗装131が施されるとともに、黒色塗装131の裏面及び装飾模様130部分に、例えば銀色の塗装やメッキ等が施されて不透明な銀色層132が形成されている。装飾板121は、この構成により、表面から見ると装飾模様130が黒色の背景色の中で銀色に浮かび上がって見える。   Here, the decorative plate 121 is made of a transparent material such as acrylic resin or polycarbonate, for example, and a decorative pattern 130 is formed by recessing the back surface of the decorative plate 121 (referred to as a concave in this specification). Further, as shown in an enlarged view in FIG. 7, for example, a black paint 131 is applied to a portion other than the decorative pattern 130 on the back surface of the decorative plate 121. An opaque silver layer 132 is formed by applying silver paint or plating. With this configuration, the decorative plate 121 appears to appear in silver in the black background color when viewed from the surface.

しかしながら、この装飾板121では、その表面から見て凸状となる装飾模様130の裏面に銀色層132が形成されているため、この銀色層132で周囲の黒色を反射して銀色模様に黒色が映り込む。その結果、銀色の装飾模様130に陰影ができて模様が全体として暗いイメージになることに加えて、その立体感が減少する等、装飾板としての商品価値が低下するという問題が生じる。また、このような装飾模様130では、例えば車内が暗いとき等には視認性が低く、或いは、その形状以外では装飾板121裏面に施す各色彩のみがデザインの主要な要素である等、更なる装飾性及びデザインの自由度の向上が望まれている。   However, in this decorative plate 121, since the silver layer 132 is formed on the back surface of the decorative pattern 130 that is convex when viewed from the front surface, the black color is reflected on the silver pattern by reflecting the surrounding black color. Reflect. As a result, the silver decorative pattern 130 is shaded and the pattern becomes a dark image as a whole. In addition, there is a problem that the commercial value as the decorative plate is lowered, for example, the stereoscopic effect is reduced. Further, in such a decorative pattern 130, for example, when the inside of the vehicle is dark, the visibility is low, or other than the shape, only the colors applied to the back of the decorative plate 121 are the main elements of the design. Improvements in decorativeness and design freedom are desired.

特開平9−11838号公報JP-A-9-11838

本発明は、前記従来の問題に鑑みなされたものであって、その目的は、装飾部材において、装飾模様に背景色が映り込むのを防止するとともに、装飾性及びデザインの自由度を高め、その商品価値を向上させることである。   The present invention has been made in view of the above-mentioned conventional problems, and its purpose is to prevent the background color from being reflected in the decorative pattern in the decorative member, and to enhance the decorativeness and the degree of freedom of design. It is to improve the product value.

請求項1の発明は、自動車のステアリングホイールに取り付ける装飾部材であって、裏面に装飾模様が凹設された透明な装飾板と、該装飾板の裏面側に配置された光源と、前記装飾板の裏面に当接して配置され、前記光源からの光を前記装飾板の裏面に導く透明な導光板とを備え、前記導光板の前記装飾板に当接する面に光透過性の半透明な着色を施すとともに、少なくとも前記装飾板の前記装飾模様を除く一部に前記導光板の着色と異なる不透明な着色を施したことを特徴とする。
請求項2の発明は、請求項1に記載された装飾部材において、前記導光板の前記装飾板に当接する面の裏面に、前記光源からの光を拡散反射する光拡散反射手段を備え、前記導光板は、前記光源からの光を側面から導入して前記装飾板の裏面に導くことを特徴とする。
請求項3の発明は、請求項2に記載された装飾部材において、前記光拡散反射手段は、前記導光板の裏面に形成された梨地面であることを特徴とする。
請求項4の発明は、請求項1ないし3のいずれかに記載された装飾部材において、前記導光板の裏面に当接して配置され、白色系の不透明な着色を施された当接板を備えたことを特徴とする。
請求項5の発明は、自動車のステアリングホイールに取り付ける装飾部材であって、裏面に装飾模様が凹設された透明な装飾板と、該装飾板の裏面側に配置された光源と、前記装飾板の裏面に当接して配置され、前記光源からの光を側面から導入して前記装飾板の裏面に導く透明な導光板とを備え、前記導光板の前記装飾板に当接する面の裏面に不透明な着色を施すととともに、少なくとも前記装飾板の前記装飾模様を除く一部に前記導光板の着色と異なる不透明な着色を施したことを特徴とする。
請求項6の発明は、自動車のステアリングホイールに取り付ける装飾部材であって、裏面に装飾模様が凹設された透明な装飾板と、該装飾板の裏面側に配置された光源と、前記装飾板の裏面に当接して配置され、前記光源からの光を側面から導入して前記装飾板の裏面に導く透明な導光板と、該導光板の前記装飾板に当接する面の裏面に当接して配置され、不透明な着色を施された当接板とを備え、少なくとも前記装飾板の前記装飾模様を除く一部に前記当接板の着色と異なる不透明な着色を施したことを特徴とする。
請求項7の発明は、エアバッグ装置であって、請求項1ないし6のいずれかに記載された装飾部材を備えたことを特徴とする。
The invention of claim 1 is a decorative member attached to a steering wheel of an automobile, a transparent decorative plate having a decorative pattern recessed on the back surface, a light source disposed on the back surface side of the decorative plate, and the decorative plate And a transparent light guide plate that guides light from the light source to the back surface of the decorative plate, and a surface that contacts the decorative plate of the light guide plate is translucent translucent coloring And at least a portion of the decorative plate excluding the decorative pattern is subjected to an opaque coloring different from the coloring of the light guide plate.
A second aspect of the present invention is the decorative member according to the first aspect, further comprising: a light diffusing and reflecting means for diffusing and reflecting light from the light source on a back surface of the light guide plate in contact with the decorative plate. The light guide plate is characterized in that light from the light source is introduced from a side surface and guided to the back surface of the decorative plate.
According to a third aspect of the present invention, in the decorative member according to the second aspect, the light diffusing and reflecting means is a satin surface formed on the back surface of the light guide plate.
According to a fourth aspect of the present invention, in the decorative member according to any one of the first to third aspects, the contact member is disposed in contact with the back surface of the light guide plate and is provided with a white opaque coloring. It is characterized by that.
The invention according to claim 5 is a decorative member attached to a steering wheel of an automobile, a transparent decorative plate having a decorative pattern recessed on the back surface, a light source disposed on the back surface side of the decorative plate, and the decorative plate And a transparent light guide plate that introduces light from the light source from the side surface and guides the light from the side surface to the back surface of the decorative plate, and is opaque on the back surface of the surface that contacts the decorative plate of the light guide plate And at least a part of the decorative plate excluding the decorative pattern is subjected to an opaque coloring different from the coloring of the light guide plate.
The invention according to claim 6 is a decorative member attached to a steering wheel of an automobile, a transparent decorative plate having a decorative pattern recessed on the back surface, a light source disposed on the back surface side of the decorative plate, and the decorative plate A transparent light guide plate that is disposed in contact with the back surface of the light source and guides light from the light source from the side surface to the back surface of the decorative plate; and a back surface of the surface of the light guide plate that contacts the decorative plate. A contact plate arranged and opaquely colored, and at least a part of the decorative plate excluding the decorative pattern is colored with an opaque color different from the color of the contact plate.
A seventh aspect of the present invention is an airbag device comprising the decorative member according to any one of the first to sixth aspects.

本発明によれば、装飾部材において、装飾模様に背景色が映り込むのを防止できるとともに、装飾性及びデザインの自由度を高めることもでき、その商品価値を向上させることができる。   ADVANTAGE OF THE INVENTION According to this invention, while being able to prevent a background color reflecting in a decoration pattern in a decoration member, the decoration property and the freedom degree of a design can also be raised, The commercial value can be improved.

以下、本発明の一実施形態について、図面を参照して説明する。
なお、本実施形態では、上記した従来の装飾部材120と同様に、自動車のステアリングホイールに取り付けられるホーン機能を有する装飾部材を例に採り説明する。
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
In the present embodiment, similarly to the conventional decorative member 120 described above, a decorative member having a horn function attached to a steering wheel of an automobile will be described as an example.

図1は、本実施形態の装飾部材の断面図である。
この装飾部材1は、図示のように、裏面に装飾模様30を有する透明な円盤状の装飾板2と、装飾板2の裏面に当接して配置された略円盤状の導光板3と、導光板3の裏面に当接して配置され、導光板3を装飾板2との間に挟み込む当接板4と、これら各板2、3、4等を収容する略椀状の容器5と、容器5内に係合するとともに、各板2、3、4を内周部に重ね合わせた状態で一体に、かつ摺動自在に係合する環状枠(リング)6とを備え、各板2、3、4を係合させたリング6を容器5に係合させて、各板2、3、4を容器5内に収容して保持するようになっている。
FIG. 1 is a cross-sectional view of the decorative member of the present embodiment.
As shown in the figure, the decorative member 1 includes a transparent disk-shaped decorative plate 2 having a decorative pattern 30 on the back surface, a substantially disk-shaped light guide plate 3 disposed in contact with the back surface of the decorative plate 2, and a guide. A contact plate 4 that is disposed in contact with the back surface of the optical plate 3 and sandwiches the light guide plate 3 between the decorative plate 2, a substantially bowl-shaped container 5 that accommodates the plates 2, 3, 4, and the like; 5 and an annular frame (ring) 6 that engages slidably and integrally with each of the plates 2, 3, 4 superimposed on the inner peripheral portion. A ring 6 engaged with 3, 4 is engaged with the container 5, and the plates 2, 3, 4 are accommodated and held in the container 5.

当接板4は、装飾板2と略同径な円盤状をなし、その裏面には、容器5内に向かって突出する環状突条4Aが同心状に形成されている。一方、容器5の底面には、環状突条4Aの移動を内周面で案内するための、上方に向かって突出する略環状の案内突条5Aが形成されており、案内突条5A内に当接板4の環状突条4Aを摺動自在に係合している。   The contact plate 4 has a disk shape that is substantially the same diameter as the decorative plate 2, and an annular protrusion 4 </ b> A that protrudes into the container 5 is formed concentrically on the back surface thereof. On the other hand, a substantially annular guide protrusion 5A that protrudes upward is formed on the bottom surface of the container 5 to guide the movement of the annular protrusion 4A on the inner peripheral surface. The annular protrusion 4A of the contact plate 4 is slidably engaged.

この案内突条5A内周側の容器5の底面には、略中心に貫通孔5Bが形成され、貫通孔5Bに、座金7Aを挟んで第1の電極であるボルト7が嵌合している。一方、当接板4の環状突条4A内には、扁平なすり鉢状に形成された第2の電極であるスプリングトレイ8が、その底部分をボルト7の頭部上面に対向させて配置され、スプリングトレイ8と容器5底面との間には、バネ9が、コンタクトプレート10を挟んで配置されている。スプリングトレイ8は、このバネ9により上方に向かって付勢されており、これにより、その上面が当接板4の裏面に当接するとともに、当接板4、導光板3、及び装飾板2の間の各当接状態が維持されている。   A through hole 5B is formed substantially at the center of the bottom surface of the container 5 on the inner peripheral side of the guide protrusion 5A, and a bolt 7 as a first electrode is fitted in the through hole 5B with a washer 7A interposed therebetween. . On the other hand, a spring tray 8 as a second electrode formed in a flat mortar shape is disposed in the annular protrusion 4A of the contact plate 4 with its bottom portion facing the top surface of the head of the bolt 7. A spring 9 is disposed between the spring tray 8 and the bottom surface of the container 5 with a contact plate 10 interposed therebetween. The spring tray 8 is urged upward by the spring 9 so that the upper surface of the spring tray 8 is in contact with the back surface of the contact plate 4 and the contact plate 4, the light guide plate 3, and the decorative plate 2. Each contact state between them is maintained.

この状態からホーンを鳴らすときに装飾板2が押下されると、スプリングトレイ8(第2の電極)は、バネ9の弾発力に抗しながら容器5の案内突条5A内を降下し、ボルト7(第1の電極)の頭部に接触する。これにより、ボルト7、スプリングトレイ8、バネ9、及びコンタクトプレート10からなる装飾部材1のホーン回路が閉成する。   When the decorative plate 2 is pressed when ringing the horn from this state, the spring tray 8 (second electrode) descends within the guide protrusion 5A of the container 5 against the elastic force of the spring 9, It contacts the head of the bolt 7 (first electrode). As a result, the horn circuit of the decorative member 1 including the bolt 7, the spring tray 8, the spring 9, and the contact plate 10 is closed.

以上に加えて、本実施形態の装飾部材1では、導光板3及び当接板4の側面の一部に切欠き部11を形成し、切欠き部11に発光ユニット20を取り付けている。また、発光ユニット20には、電力を供給するためのリード線等からなるハーネス25が接続されており、このハーネス25は、容器5底部の発光ユニット20の下方に形成された貫通孔5Cを通して容器5の外部に導出される。   In addition to the above, in the decorative member 1 of the present embodiment, the notch portion 11 is formed in part of the side surfaces of the light guide plate 3 and the contact plate 4, and the light emitting unit 20 is attached to the notch portion 11. The light emitting unit 20 is connected to a harness 25 made of a lead wire or the like for supplying power. The harness 25 is connected to the container through a through hole 5C formed below the light emitting unit 20 at the bottom of the container 5. 5 is derived to the outside.

図2は、この発光ユニット20を含む図1のW部の一部を模式的に示す断面図である。
発光ユニット20は、図示のように、当接板4に固定された略板状の基板21と、導光板3側面の切欠き部11Aに位置するように基板21上に設けられた光源22等からなり、装飾板2の押下時等には、当接板4及び導光板3に対する相対位置を変えずに共に移動するようになっている。
FIG. 2 is a cross-sectional view schematically showing a part of the W portion of FIG. 1 including the light emitting unit 20.
As shown in the figure, the light emitting unit 20 includes a substantially plate-like substrate 21 fixed to the abutting plate 4, a light source 22 provided on the substrate 21 so as to be positioned in the notch 11 </ b> A on the side of the light guide plate 3, and the like. Thus, when the decorative plate 2 is pressed, it moves together without changing the relative position with respect to the contact plate 4 and the light guide plate 3.

この発光ユニット20の光源22は、例えば白色に発光する発光ダイオード(LED)等であり、自動車のライト点灯スイッチがONされたとき等、他の操作に連動して自動で点灯したり、或いは、専用のスイッチがONされたときに点灯する等、ハーネス25に接続された外部機器による発光の制御が可能となっている。また、この光源22が、その装飾板2の裏面側の配置位置で発光しても、後述するように、光は装飾板2の表面には漏れず、主に導光板3の側面(切欠き部11A)からその内部に導入される。   The light source 22 of the light emitting unit 20 is, for example, a light emitting diode (LED) that emits white light, and automatically lights up in conjunction with other operations such as when a light lighting switch of an automobile is turned on, or It is possible to control light emission by an external device connected to the harness 25, such as lighting when a dedicated switch is turned on. Further, even when the light source 22 emits light at the arrangement position on the back side of the decorative plate 2, the light does not leak to the surface of the decorative plate 2, as will be described later. Part 11A) is introduced into the interior.

ここで、本実施形態の装飾板2は、例えばアクリル樹脂やポリカーボネート等の透明な材料からできており、上記した従来の装飾板121(図7参照)と同様に、その裏面(図2参照)に装飾模様30が刻設や成型等により凹状に形成(凹設)されるとともに、裏面の装飾模様30以外の部分に、例えばシルク印刷等により着色された不透明な黒色塗装31が施されている。しかしながら、この装飾板2では、黒色塗装31の裏面及び装飾模様30部分に着色が施されておらず、装飾模様30が透明のままである点で、前記従来の装飾板121と相違する。従って、この装飾板2では、表面から見たとき、その裏面に当接する導光板3の表面の色彩等が装飾模様30に反映されて視認される。   Here, the decorative plate 2 of the present embodiment is made of a transparent material such as acrylic resin or polycarbonate, and the back surface thereof (see FIG. 2) in the same manner as the above-described conventional decorative plate 121 (see FIG. 7). The decorative pattern 30 is formed in a concave shape (recessed) by engraving or molding, and an opaque black paint 31 colored by, for example, silk printing is applied to a portion other than the decorative pattern 30 on the back surface. . However, the decorative plate 2 is different from the conventional decorative plate 121 in that the back surface of the black paint 31 and the decorative pattern 30 are not colored and the decorative pattern 30 remains transparent. Therefore, in the decorative plate 2, when viewed from the front surface, the color or the like of the surface of the light guide plate 3 that is in contact with the back surface thereof is reflected in the decorative pattern 30 and is visually recognized.

一方、導光板3は、例えばアクリル樹脂やポリカーボネート等の透明な材料からできており、その装飾板2に当接する表面に、光を透過可能な半透明の銀色の銀色半透明層32が形成されている。この銀色半透明層32は、例えば金属メッキや蒸着、塗装等により、導光板3表面に銀色の着色を施し、その際の銀色膜の膜厚を薄くする等して形成される。加えて、この導光板3は、装飾板2と当接する面の裏面(以下、単に裏面という)に、光を拡散反射する光拡散反射手段33を備える。ここでは、導光板3の裏面に、例えば成型やシボ加工、ブラスト処理、印刷等により微少な凹凸を設けて梨地面を形成し、この梨地面を光拡散反射手段33としている。   On the other hand, the light guide plate 3 is made of a transparent material such as acrylic resin or polycarbonate, and a translucent silver-colored silver-colored translucent layer 32 capable of transmitting light is formed on the surface in contact with the decorative plate 2. ing. The silver translucent layer 32 is formed by, for example, applying silver color to the surface of the light guide plate 3 by metal plating, vapor deposition, painting, etc., and reducing the film thickness of the silver film at that time. In addition, the light guide plate 3 includes light diffusion reflection means 33 that diffuses and reflects light on the back surface (hereinafter simply referred to as the back surface) of the surface in contact with the decorative plate 2. Here, the back surface of the light guide plate 3 is provided with minute irregularities by, for example, molding, embossing, blasting, printing, or the like to form a pear surface, and this pear surface is used as the light diffuse reflection means 33.

これにより、導光板3は、上記した側面から導入した光源22の光を、裏面の梨地面33により散乱させてムラなく拡散反射させつつ、表面の光透過性の銀色半透明層32から放出して装飾板2の裏面に導くようになっている。また、この装飾部材1では、導光板3の裏面に当接する当接板4を、光の反射率が比較的高い白色系、即ち、白色又はそれに近い色の不透明な着色を施した材料、例えばポリカーボネートやABS樹脂等で形成し、当接板4にも光の反射機能等を持たせている。   Thereby, the light guide plate 3 emits the light of the light source 22 introduced from the side surface described above from the light translucent silver translucent layer 32 on the front surface while being scattered and diffusely reflected by the back pear ground 33 without unevenness. And led to the back of the decorative plate 2. Further, in this decorative member 1, the contact plate 4 that contacts the back surface of the light guide plate 3 is made of a white material having a relatively high light reflectance, that is, a material having an opaque coloring of white or a color close thereto, for example, The contact plate 4 is made of polycarbonate, ABS resin, or the like, and has a light reflecting function or the like.

従って、本実施形態の装飾部材1によれば、光源22が発光していないときに装飾板2を表面から見ると、透明な装飾模様30を通して導光板3表面(銀色半透明層32)の色彩が見えるため、黒色の背景色の中で装飾模様30が光沢を持った銀色(半透明の銀色)に浮かび上がって見える。このとき、装飾模様30自体は透明であるため、装飾模様30部分が周囲の黒色の背景色を反射することはなく、そこに黒色が移り込むのを防止することができる。その結果、装飾模様30に陰影ができず、模様が全体としてすっきりとした明るいイメージになることに加えて、その立体感を高めることもできる等、その商品価値を従来のものに比べて向上させることができる。   Therefore, according to the decorative member 1 of the present embodiment, when the decorative plate 2 is viewed from the surface when the light source 22 is not emitting light, the color of the surface of the light guide plate 3 (silver translucent layer 32) through the transparent decorative pattern 30. Therefore, the decorative pattern 30 appears to have a glossy silver color (translucent silver) in the black background color. At this time, since the decorative pattern 30 itself is transparent, the decorative pattern 30 portion does not reflect the surrounding black background color, and it is possible to prevent black from moving there. As a result, the decorative pattern 30 cannot be shaded and the pattern becomes a clear and bright image as a whole, and the three-dimensional effect can be enhanced. be able to.

なお、この装飾部材1では、導光板3表面に施した着色(銀色半透明層32)が光透過性を有するため、それを透かして下側の色も装飾模様30の色彩等の見た目に影響を与えることがある。しかしながら、この装飾部材1では、導光板3裏面に当接する当接板4に白色系の不透明な着色を施したため、装飾模様30の色彩を明るいものにできる等、その見た目のイメージが良くなり高級感を高めることができる。同時に、当接板4により、その裏側に設けられたスプリングトレイ8等の部材が、装飾模様30部分から透けて見えるのを防止することもできる。   In this decorative member 1, since the coloring (silver translucent layer 32) applied to the surface of the light guide plate 3 has light transparency, the lower color also affects the appearance of the decorative pattern 30, etc. through it. May give. However, in this decorative member 1, since the abutting plate 4 that contacts the back surface of the light guide plate 3 is colored opaque in white, the color of the decorative pattern 30 can be made brighter, and the appearance image is improved. A feeling can be heightened. At the same time, the contact plate 4 can also prevent the members such as the spring tray 8 provided on the back side from being seen through the decorative pattern 30.

一方、光源22を発光させたときには、その光は導光板3内を通って銀色半透明層32を透過し、装飾板2の裏面まで導かれるが、装飾板2裏面の黒色塗装31部分では透過せずに透明な装飾模様30部分のみから放出されるため、装飾模様30を発光させることができる。また、このときの放出光は、導光板3表面に施された半透明な着色(ここでは、銀色)により変色されるため、本実施形態のように白色光を用いた場合には、放出光は導光板3表面と同系統の色調になり、非発光時の印象を大きく変えることなく装飾模様30を発光させることができる。   On the other hand, when the light source 22 emits light, the light passes through the light guide plate 3 through the silver translucent layer 32 and is guided to the back surface of the decorative plate 2, but is transmitted through the black paint 31 portion on the back surface of the decorative plate 2. Without being emitted, the decorative pattern 30 can be emitted only from the transparent decorative pattern 30 portion. Moreover, since the emitted light at this time is discolored by the translucent coloring (here silver) given to the surface of the light-guide plate 3, when white light is used like this embodiment, emitted light is Has the same color tone as the surface of the light guide plate 3, and the decorative pattern 30 can emit light without greatly changing the impression of non-light emission.

更に、導光板3に導入された光は、その一部が導光板3表面の銀色半透明層32により導光板3内に反射されるが、この反射光を含めて導光板3裏面に当たった光は、梨地面33により散乱されてムラなく拡散反射されるため、装飾模様30部分の発光輝度のムラを減らして均一化することができる。加えて、この装飾部材1では、梨地面33に当接する当接板4に光反射率が高い白色系の着色を施したため、当接板4表面によっても光が反射されて光の反射効率を更に高めることができ、装飾模様30部分をより明るく発光させることができる。従って、この装飾部材1によれば、例えば夜間やトンネル内で車内が暗いとき等における、装飾模様30の視認性を向上できるとともに、装飾部材1の装飾性及びデザインの自由度を高めることができ、その商品価値の更なる向上を図ることができる。   Further, a part of the light introduced into the light guide plate 3 is reflected into the light guide plate 3 by the silver translucent layer 32 on the surface of the light guide plate 3, and hits the back surface of the light guide plate 3 including this reflected light. Since the light is scattered by the pear ground 33 and diffusely reflected without unevenness, it is possible to reduce unevenness in the light emission luminance of the decorative pattern 30 and make it uniform. In addition, in this decorative member 1, since the abutment plate 4 that abuts the pear ground 33 is colored with a white color having a high light reflectance, the light is also reflected by the surface of the abutment plate 4, thereby improving the light reflection efficiency. This can be further enhanced, and the decorative pattern 30 can be illuminated more brightly. Therefore, according to the decorative member 1, the visibility of the decorative pattern 30 can be improved, for example, at night or when the interior of the vehicle is dark in a tunnel, and the decorative property of the decorative member 1 and the degree of design freedom can be increased. The product value can be further improved.

ここで、導光板3表面に形成する銀色半透明層32の光の透過率が10%よりも小さい場合には、発光時の装飾模様30の輝度が低下して暗くなり過ぎる恐れがある。逆に、50%よりも大きい場合には、銀色半透明層32の色彩が薄くなり過ぎて、非発光時の装飾模様30の色彩が不鮮明になる恐れがある。従って、導光板3表面の光の透過率は、10%〜50%にするのがより好ましい。   Here, when the light transmittance of the silver translucent layer 32 formed on the surface of the light guide plate 3 is smaller than 10%, the brightness of the decorative pattern 30 at the time of light emission may be lowered and become too dark. On the contrary, when it is larger than 50%, the color of the silver translucent layer 32 becomes too thin, and the color of the decorative pattern 30 when not emitting light may become unclear. Therefore, the light transmittance on the surface of the light guide plate 3 is more preferably 10% to 50%.

また、本実施形態では、装飾板2の装飾模様30以外の部分に黒色塗装31を施したが、装飾模様30以外の部分に着色しない部分を設け、これにより例えばホーンマーク等の透明な模様を装飾板2に形成してもよい。更に、黒色塗装31部分の色も、導光板3表面の着色と異なる色であれば、黒色以外の他の不透明な色にしてもよい。同様に、導光板3表面には、半透明な銀色以外に、例えば半透明な金色や銅色等の、装飾板2裏面と異なる半透明な他の着色を施してもよく、光源22にも、装飾模様30の視認性や装飾効果等を考慮して、白色LED以外の他の色(例えば、赤、青、緑等)のLED等を用いて、装飾模様30を異なる色で発光させてもよい。このように、本実施形態の装飾部材1では、各部の色や光に種々のものを用いて組み合わせることができるため、その装飾性及びデザインの自由度を格段に高めることができる。   Moreover, in this embodiment, although black coating 31 was given to parts other than the decorative pattern 30 of the decorative board 2, the part other than the decorative pattern 30 is provided with a non-colored part, and thereby, for example, a transparent pattern such as a horn mark is provided. The decorative plate 2 may be formed. Furthermore, as long as the color of the black paint 31 part is a color different from the coloring of the surface of the light guide plate 3, it may be an opaque color other than black. Similarly, the surface of the light guide plate 3 may be colored other than translucent silver, for example, translucent gold or copper, and other translucent coloring different from the back of the decorative plate 2. In consideration of the visibility of the decorative pattern 30, the decorative effect, etc., the decorative pattern 30 is made to emit light in a different color by using an LED other than the white LED (for example, red, blue, green, etc.). Also good. Thus, in the decorative member 1 of this embodiment, since it can combine using the color and light of each part using various things, the decoration property and the freedom degree of design can be raised significantly.

なお、導光板3裏面の光拡散反射手段33としては、例えば塗装や印刷により光拡散反射性を有する塗料や樹脂を塗布し、又は同様の性質を有するテープを貼り付けて裏面に光拡散反射層を形成する等、梨地面以外の周知の手段を、適宜組み合わせて採用することもできる。この光拡散反射層は、微少な表面凹凸や内部気泡等を有する透明な材料(塗料、樹脂、テープ等)から形成してもよく、例えば酸化チタンや酸化シリコン粉末、又は金属粉末等の拡散剤をバインダーに配合した材料から形成してもよい。更に、導光板3裏面に白色、金属色、蛍光色等の光反射性の着色を施したり、或いは、メッキや蒸着等により金属層を形成してもよく、当接板4表面を同様に形成して、当接板4を光拡散反射手段33としてもよい。この場合には、反射効率が向上して装飾模様30の輝度をより高めることもできる。   In addition, as the light diffusion reflection means 33 on the back surface of the light guide plate 3, for example, a light diffusive reflection layer is applied to the back surface by applying a paint or resin having light diffusion reflection property by painting or printing, or attaching a tape having similar properties It is also possible to adopt a combination of well-known means other than the satin surface, such as forming a surface. This light diffusive reflection layer may be formed from a transparent material (paint, resin, tape, etc.) having minute surface irregularities and internal bubbles, for example, a diffusing agent such as titanium oxide, silicon oxide powder, or metal powder. You may form from the material which mix | blended with the binder. Further, the back surface of the light guide plate 3 may be light-reflective colored such as white, metallic color or fluorescent color, or a metal layer may be formed by plating or vapor deposition, and the surface of the contact plate 4 is similarly formed. Then, the contact plate 4 may be used as the light diffusing and reflecting means 33. In this case, the reflection efficiency can be improved and the brightness of the decorative pattern 30 can be further increased.

また、本実施形態とは異なり、導光板3の表面は着色せずに透明のままにし、裏面に銀色等の装飾板2と異なる不透明な着色を施してもよく、又は、導光板3は両面とも着色せずに透明のままにし、当接板4の表面に銀色等の装飾板2と異なる不透明な着色を施してもよい。このように装飾部材1を形成した場合にも、透明な装飾模様30部分を通して導光板3の裏面、又は当接板4の表面の色彩が見えるとともに、装飾模様30部分を発光させることもでき、上記した導光板3表面に半透明な着色を施した場合と同様の各効果を得ることができる。   Further, unlike the present embodiment, the surface of the light guide plate 3 may remain transparent without being colored, and the back surface may be given an opaque color different from the decorative plate 2 such as silver, or the light guide plate 3 may be double-sided. Alternatively, the surface of the contact plate 4 may remain transparent without being colored, and the surface of the contact plate 4 may be colored with an opaque color different from the decorative plate 2 such as silver. Even when the decorative member 1 is formed in this way, the color of the back surface of the light guide plate 3 or the surface of the contact plate 4 can be seen through the transparent decorative pattern 30 portion, and the decorative pattern 30 portion can also emit light. Each effect similar to the case where the surface of the light guide plate 3 described above is semitransparently colored can be obtained.

次に、以上で説明した装飾部材1を適用した他の実施形態について説明する。
本実施形態は、装飾部材1を、自動車のステアリングホイールに装着されるエアバッグ装置のセンタ部材として適用したものである。
Next, another embodiment to which the decorative member 1 described above is applied will be described.
In this embodiment, the decorative member 1 is applied as a center member of an airbag device mounted on a steering wheel of an automobile.

図3は、このエアバッグ装置をステアリングホイールに装着した状態を示す正面図である。
本実施形態のエアバッグ装置40は、図示のように、ステアリングホイール50の中央部に装着されて、自動車のステアリング装置に組み込まれており、その中央部に装飾部材1が配置されている。
FIG. 3 is a front view showing a state in which the airbag apparatus is mounted on the steering wheel.
As shown in the figure, the airbag device 40 of the present embodiment is attached to the center portion of the steering wheel 50 and incorporated in the steering device of the automobile, and the decorative member 1 is disposed in the center portion.

図4は、このエアバッグ装置40を模式的に示す断面図である。
エアバッグ装置40は、図示のように、支持部材41と、エアバッグカバー42と、エアバッグ43と、インフレータ44等を備えており、エアバッグカバー42に、以上説明した構成を備えた装飾部材1が取り付けられている。
FIG. 4 is a cross-sectional view schematically showing the airbag device 40.
As shown in the figure, the airbag device 40 includes a support member 41, an airbag cover 42, an airbag 43, an inflator 44, and the like, and the airbag cover 42 has a configuration described above. 1 is attached.

支持部材41は、ステアリングシャフト(図示せず)の端部側に取り付けられて、ステアリングホイール50の略中央部に配置される部材であり、中央部に略円形の孔を有するベースプレート41Aと、ベースプレート41Aの中央部に配置された略椀状の連結部材41B、及び略環状のクッションプレート41Cとを有し、インフレータ44がベースプレート41A中央部の孔を通して連結部材41B内に収容されている。   The support member 41 is a member that is attached to an end portion side of a steering shaft (not shown) and is disposed at a substantially central portion of the steering wheel 50. A base plate 41A having a substantially circular hole at the central portion, and a base plate The inflator 44 is accommodated in the connecting member 41B through the hole in the central portion of the base plate 41A. The connecting member 41B has a substantially bowl-like connecting member 41B and a substantially annular cushion plate 41C.

エアバッグカバー42は、例えば樹脂により略椀状に形成され、その中央部には、センタ部材としての装飾部材1を収容するため、装飾部材1の容器5の外形形状に対応した略円錐台形の凹部42Aが形成されている。装飾部材1は、この凹部42A内に配置されて収納され、その際、第1の電極であるボルト7を、凹部42A及び連結部材41Bの略中央部に形成された貫通孔に通し、ボルト7をナット45で連結部材41Bに固定してエアバッグ装置40に取り付けられる。同時に、このボルト7及びナット45により、エアバッグカバー42も連結部材41Bに固定される。   The airbag cover 42 is formed, for example, in a substantially bowl shape with resin, and has a substantially frustoconical shape corresponding to the outer shape of the container 5 of the decoration member 1 in order to accommodate the decoration member 1 as a center member in the center thereof. A recess 42A is formed. The decorative member 1 is disposed and accommodated in the recess 42A. At this time, the bolt 7 which is the first electrode is passed through the through hole formed in the substantially central portion of the recess 42A and the connecting member 41B. Is fixed to the connecting member 41 </ b> B with a nut 45 and attached to the airbag device 40. At the same time, the airbag cover 42 is also fixed to the connecting member 41B by the bolt 7 and the nut 45.

また、エアバッグカバー42内には、エアバッグ43が連結部材28の周囲に折り畳まれた状態で収納されている。エアバッグ43の固定は、その端部をクッションプレート41Cと連結部材41Bとの間に挟み込んで、それらを一体にベースプレート41Aにボルト及びナット(図示せず)等により締結することで行われており、これにより連結部材41Bもベースプレート41Aに固定される。   An airbag 43 is housed in the airbag cover 42 in a state of being folded around the connection member 28. The airbag 43 is fixed by sandwiching the end portion between the cushion plate 41C and the connecting member 41B and fastening them integrally to the base plate 41A with bolts and nuts (not shown). Thereby, the connecting member 41B is also fixed to the base plate 41A.

以上のように、装飾部材1をエアバッグ装置40に取り付けることで、エアバッグ装置40の装飾性や商品価値を従来のものより一層高めることができる。   As described above, by attaching the decorative member 1 to the airbag device 40, the decorativeness and the commercial value of the airbag device 40 can be further enhanced than the conventional one.

なお、以上の各実施形態では、ホーン機能を備えた装飾部材1を例に採り説明したが、装飾部材1にホーン機能を持たせずに、各板2、3、4及び発光ユニット20等の装飾機能を有する部材のみを、ステアリングホイール50やエアバッグ装置40に取り付けてもよい。即ち、装飾部材1にスプリングトレイ8等のホーン回路を形成する部材は設けずに、各板2、3、4を、ステアリングホイール50やエアバッグ装置40の所定箇所に、上記と同様に重ね合わせて配置し、かつ発光ユニット20を導光板3の側面に取り付ける等して、装飾性等を発揮させるようにしてもよい。   In each of the above embodiments, the decorative member 1 having a horn function has been described as an example. However, the decorative member 1 does not have the horn function, and each of the plates 2, 3, 4, the light emitting unit 20, etc. Only a member having a decorative function may be attached to the steering wheel 50 or the airbag device 40. That is, the decorative member 1 is not provided with a member for forming a horn circuit such as the spring tray 8, and the plates 2, 3, and 4 are overlapped on predetermined positions of the steering wheel 50 and the airbag device 40 in the same manner as described above. May be arranged, and the light emitting unit 20 may be attached to the side surface of the light guide plate 3 to exhibit decorativeness and the like.

本実施形態の装飾部材の断面図である。It is sectional drawing of the decoration member of this embodiment. 図1のW部の一部を模式的に示す断面図である。FIG. 2 is a cross-sectional view schematically showing a part of a W portion in FIG. 1. 装飾部材を備えたエアバッグ装置をステアリングホイールに装着した状態を示す正面図である。It is a front view which shows the state which mounted | wore the steering wheel with the airbag apparatus provided with the decoration member. 装飾部材を備えたエアバッグ装置を模式的に示す断面図である。It is sectional drawing which shows typically the airbag apparatus provided with the decoration member. 従来の装飾部材を備えたエアバッグ装置をステアリングホイールに装着した状態を示す正面図である。It is a front view which shows the state which mounted | wore the steering wheel with the airbag apparatus provided with the conventional decoration member. 従来の装飾部材の例を示す断面図である。It is sectional drawing which shows the example of the conventional decoration member. 図6のZ部の一部を模式的に示す断面図である。It is sectional drawing which shows a part of Z section of FIG. 6 typically.

符号の説明Explanation of symbols

1・・・装飾部材、2・・・装飾板、3・・・導光板、4・・・当接板、4A・・・環状突条、5・・・容器、5A・・・案内突条、5B・・・貫通孔、5C・・・貫通孔、6・・・環状枠(リング)、7・・・ボルト、7A・・・座金、8・・・スプリングトレイ、9・・・バネ、10・・・コンタクトプレート、11・・・切欠き部、20・・・発光ユニット、21・・・基板、22・・・光源、25・・・ハーネス、30・・・装飾模様、31・・・黒色塗装、32・・・銀色半透明層、33・・・光拡散反射手段、40・・・エアバッグ装置、41・・・支持部材、41A・・・ベースプレート、41B・・・連結部材、41C・・・クッションプレート、42・・・エアバッグカバー、42A・・・凹部、43・・・エアバッグ、44・・・インフレータ、45・・・ナット、50・・・ステアリングホイール。 DESCRIPTION OF SYMBOLS 1 ... Decorative member, 2 ... Decorative plate, 3 ... Light guide plate, 4 ... Contact plate, 4A ... Annular ridge, 5 ... Container, 5A ... Guide ridge 5B ... through hole, 5C ... through hole, 6 ... annular frame (ring), 7 ... bolt, 7A ... washer, 8 ... spring tray, 9 ... spring, DESCRIPTION OF SYMBOLS 10 ... Contact plate, 11 ... Notch part, 20 ... Light emission unit, 21 ... Board | substrate, 22 ... Light source, 25 ... Harness, 30 ... Decoration pattern, 31 ... Black coating, 32 ... silver translucent layer, 33 ... light diffuse reflection means, 40 ... airbag device, 41 ... support member, 41A ... base plate, 41B ... connecting member, 41C ... Cushion plate, 42 ... Airbag cover, 42A ... Recess, 43 ... Airbag, 4 ... inflator, 45 ... nut, 50 ... steering wheel.

Claims (7)

自動車のステアリングホイールに取り付ける装飾部材であって、
裏面に装飾模様が凹設された透明な装飾板と、
該装飾板の裏面側に配置された光源と、
前記装飾板の裏面に当接して配置され、前記光源からの光を前記装飾板の裏面に導く透明な導光板とを備え、
前記導光板の前記装飾板に当接する面に光透過性の半透明な着色を施すとともに、少なくとも前記装飾板の前記装飾模様を除く一部に前記導光板の着色と異なる不透明な着色を施したことを特徴とする装飾部材。
A decorative member attached to a steering wheel of an automobile,
A transparent decorative plate with a decorative pattern recessed on the back;
A light source disposed on the back side of the decorative plate;
A transparent light guide plate that is disposed in contact with the back surface of the decorative plate and guides light from the light source to the back surface of the decorative plate;
The surface of the light guide plate that is in contact with the decorative plate is colored with a translucent translucent color, and at least a portion of the decorative plate excluding the decorative pattern is colored with an opaque color different from the color of the light guide plate. A decorative member characterized by that.
請求項1に記載された装飾部材において、
前記導光板の前記装飾板に当接する面の裏面に、前記光源からの光を拡散反射する光拡散反射手段を備え、
前記導光板は、前記光源からの光を側面から導入して前記装飾板の裏面に導くことを特徴とする装飾部材。
The decorative member according to claim 1,
A light diffusing and reflecting means for diffusing and reflecting light from the light source on the back surface of the light guide plate contacting the decorative plate;
The light guide plate introduces light from the light source from a side surface and guides it to the back surface of the decorative plate.
請求項2に記載された装飾部材において、
前記光拡散反射手段は、前記導光板の裏面に形成された梨地面であることを特徴とする装飾部材。
In the decorative member according to claim 2,
The decorative member, wherein the light diffusing and reflecting means is a satin surface formed on a back surface of the light guide plate.
請求項1ないし3のいずれかに記載された装飾部材において、
前記導光板の裏面に当接して配置され、白色系の不透明な着色を施された当接板を備えたことを特徴とする装飾部材。
The decorative member according to any one of claims 1 to 3,
A decorative member comprising an abutting plate disposed in contact with the back surface of the light guide plate and colored with a white opaque color.
自動車のステアリングホイールに取り付ける装飾部材であって、
裏面に装飾模様が凹設された透明な装飾板と、
該装飾板の裏面側に配置された光源と、
前記装飾板の裏面に当接して配置され、前記光源からの光を側面から導入して前記装飾板の裏面に導く透明な導光板とを備え、
前記導光板の前記装飾板に当接する面の裏面に不透明な着色を施すととともに、少なくとも前記装飾板の前記装飾模様を除く一部に前記導光板の着色と異なる不透明な着色を施したことを特徴とする装飾部材。
A decorative member attached to a steering wheel of an automobile,
A transparent decorative plate with a decorative pattern recessed on the back;
A light source disposed on the back side of the decorative plate;
A transparent light guide plate that is disposed in contact with the back surface of the decorative plate, and that guides light from the light source from the side surface to the back surface of the decorative plate;
The back surface of the light guide plate contacting the decorative plate is opaquely colored, and at least a portion of the decorative plate excluding the decorative pattern is colored with an opaque color different from the color of the light guide plate. A decorative member.
自動車のステアリングホイールに取り付ける装飾部材であって、
裏面に装飾模様が凹設された透明な装飾板と、
該装飾板の裏面側に配置された光源と、
前記装飾板の裏面に当接して配置され、前記光源からの光を側面から導入して前記装飾板の裏面に導く透明な導光板と、
該導光板の前記装飾板に当接する面の裏面に当接して配置され、不透明な着色を施された当接板とを備え、
少なくとも前記装飾板の前記装飾模様を除く一部に前記当接板の着色と異なる不透明な着色を施したことを特徴とする装飾部材。
A decorative member attached to a steering wheel of an automobile,
A transparent decorative plate with a decorative pattern recessed on the back;
A light source disposed on the back side of the decorative plate;
A transparent light guide plate that is disposed in contact with the back surface of the decorative plate, introduces light from the light source from the side surface and guides it to the back surface of the decorative plate;
An abutting plate disposed in contact with the back surface of the light guide plate that abuts on the decorative plate and colored opaque;
A decorative member, wherein at least a part of the decorative plate excluding the decorative pattern is colored with an opaque color different from the color of the contact plate.
請求項1ないし6のいずれかに記載された装飾部材を備えたことを特徴とするエアバッグ装置。   An airbag device comprising the decorative member according to any one of claims 1 to 6.
JP2006148685A 2006-05-29 2006-05-29 Decorative member and airbag device provided with decorative member Expired - Fee Related JP4931110B2 (en)

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Publication number Priority date Publication date Assignee Title
JP2011034192A (en) * 2009-07-30 2011-02-17 Aisin Seiki Co Ltd Surrounding recognition assisting device for vehicle
CN103802740A (en) * 2012-11-12 2014-05-21 张清华 DIY (Do It Yourself) three-dimensional decorative object and DIY external embedding piece of three-dimensional vehicle shell
CN109398258A (en) * 2018-11-14 2019-03-01 上海延锋金桥汽车饰件系统有限公司 A kind of light-permeable gadget
JP2019199175A (en) * 2018-05-16 2019-11-21 日本プラスト株式会社 Cover body of air bag device

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