JP4674736B2 - Case body - Google Patents

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Publication number
JP4674736B2
JP4674736B2 JP2000399509A JP2000399509A JP4674736B2 JP 4674736 B2 JP4674736 B2 JP 4674736B2 JP 2000399509 A JP2000399509 A JP 2000399509A JP 2000399509 A JP2000399509 A JP 2000399509A JP 4674736 B2 JP4674736 B2 JP 4674736B2
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Japan
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case
decorative sheet
outer case
case body
cases
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JP2000399509A
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Japanese (ja)
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JP2002199923A (en
Inventor
敬三 水口
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Kyushu Hitachi Maxell Ltd
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Kyushu Hitachi Maxell Ltd
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Description

【0001】
【発明の属する技術分野】
この発明は、フェイスシェーバー、まつ毛カーラー、電動歯ブラシ、電動爪磨き機、シェーバー、ヘアードライヤーなどの電気機器、およびペン、モップの柄、磁気ヘッドクリーナなどにおいて使用されるケース体に関する。
【0002】
【従来の技術】
外観形状や仕様が同じ電気機器において、ユーザーの選択の幅を拡げ、あるいは商品の訴求力を向上するために、ケース体の外観の色彩や模様のみが異なる複数種の商品を用意することがある。多くの場合には、色合いのみが異なる複数種のケース体を着色成形しておき、その外面に印刷を施し、あるいはラベルを貼り付けて、見かけの印象やデザインが異なるケース体を得ている。
【0003】
【発明が解決しようとする課題】
上記のように、成形色が異なるケース体を複数種それぞれ用意してデザインの多様化を図る場合には、ケース体の種類数が増えるほど成形コストが嵩み、部品管理や組立管理の手間が増える。殆どの場合は、コスト増を避けるために、色彩が異なるシリーズ商品の商品数を2〜3種のみに限ることが多い。成形時に着色されたプラスチック材は、リサイクル材として再使用することが難しい不利もある。
【0004】
この発明の目的は、見かけの印象やデザインが異なるシリーズ商品を幾種類でも低コストで供給できて、組立が容易に行え、主に電気機器に適用して好適なケース体を提供することにある。この発明の目的は、ケース体を構成する内外ケースのリサイクル使用が可能であり、表面に擦り傷や打ち傷等の表面疵がある場合にも、着色成形されたケース体と同様に表面疵が目立つのを防止でき、従ってケース体の美感や清潔感が長期間にわたって維持できるようにすることにある。
【0005】
【課題を解決するための手段】
この発明のケース体1は、図1に示すごとく内ケース1Aと、内ケース1Aに外嵌する透明ないし半透明の外ケース1Bとで2重筒状に形成され、内外両ケース1A・1Bの間に装飾シート19が装填してある。外ケース1Bの一端には、装飾シート19および内ケース1A用の差込口21が開口しており、外ケース1Bの他端の内面には、装飾シート19の差し込み限界を規定する突起40が設けられている。内ケース1Aの差し込み終端側の外面には、装飾シート19の抜け出しを防ぐ受部27が設けられている。内外両ケース1A・1Bの間には、互いに係合して両ケース1A・1Bの組み付け状態を維持する係合突起42と係合凹部41とが設けられている。
【0006】
具体的には、装飾シート19の差し込み限界を規定する突起40が外ケース1B側の係合突起42を兼ねており、係合凹部41が内ケース1Aの差し込み始端側の周面に設けられている。
【0007】
外ケース1Bの内面と、装飾シート19の外面との少なくともいずれか一方には、両者の密着を妨げる微少凹凸面44を形成する。
【0008】
内ケース1Aは、前後に2分割された前ケース25aと後ケース25bとで構成し、これらの前後両ケース25a・25bを外ケース1Bで分離不能に固定保持する。
【0009】
外ケース1Bは、前側円弧面38と後側円弧面39とを有する断面木の葉形の筒体として形成し、装飾シート19は、前側円弧面38と後側円弧面39との一方の交差部内面に沿って二つ折りにして、シート端部を他方の交差部内面に臨ませる。
【0010】
【発明の作用効果】
この発明のケース体1は、内ケース1Aと、内ケース1Aに外嵌する透明ないし半透明の外ケース1Bとで2重筒状に形成し、内外両ケース1A・1Bの間に装飾シート19を装填する。その装飾シート19は、着色状態や模様が異なるシートを複数種用意しておく。このように、装飾シート19の着色や模様等を外ケース1Bを介して表示するケース体によれば、装飾シート19を変えるだけで、見かけの印象やデザインが異なるケース体のシリーズ商品を幾種類でも低コストで供給できる。また、外ケース1Bの一端内面に設けた突起40で、装飾シート19の差し込み限界を規定したうえで、内ケース1Aの差し込み終端側に設けた受部27で装飾シート19の抜け出しを防ぐ構造を採用するので、組立時には、外ケース1B、装飾シート19、内ケース1Aを記載順に組むだけで装飾シート19を位置決めでき、曲がりやすい装飾シート19の組立に要する手間を軽減できる。
【0011】
装飾シート19の差し込み限界を規定する突起40が、内外両ケース1A・1Bの組み付け状態を維持する係合突起42を兼ねていると、係合突起42を別に設ける場合に比べて、外ケース1Bと装飾シート19との構造が簡素化し、その分だけケース体1の製造コストを削減化できる。外ケース1Bの成形も容易化できる。
【0012】
外ケース1Bの内面と、装飾シート19の外面との少なくともいずれか一方に微少凹凸面44を形成してあると、装飾シート19が外ケース1Bに密着して、濡れたように見えるのを解消し、外観上の印象が向上する。とくに、シートの表面に金属、ガラス、あるいはプラスチックチップなどの微粒子を接着して微少凹凸面44を形成すると、真珠表面のような鈍い光輝性を付加して高級感を醸し出すことができ、外ケース1Bの表面に擦り傷や打ち傷等の表面疵を生じた場合にも、微少凹凸面44が疵を見え難くして、疵が目立つのを防止できる。従ってケース体の美感や清潔感を長期間にわたって維持できる。外ケース1Bの内面に微少凹凸面44を形成する場合に比べて、加工が容易でコストが少なくて済むことにもなる。
【0013】
前後に2分割された前ケース25aと後ケース25bとで内ケース1Aを構成し、これらの前後両ケース25a・25bを外ケース1Bで分離不能に固定保持するケース体によれば、内ケース1A内への各種の部品の組み込みが容易に行え、その外面を外ケース1Bで固定保持することにより、前後に2分割された前後両ケース25a・25bが、落下衝撃などで接合面において分離するのを確実に防止し、ケース体1の構造強度が増す。
【0014】
外ケース1Bは、前側円弧面38と後側円弧面39とを有する断面木の葉形の筒体として形成したうえで、両円弧面38・39の一方の交差部内面において装飾シート19を二つ折りにし、シート端部を他方の交差部内面に臨ませるケース体によれば、シート端部に僅かなずれを生じていたとしても、ずれが目立つのを防止して、外観上の体裁を維持できる。断面木の葉形の筒体においては、両円弧面38・39の交差部の厚みが他より分厚くなるので、内面の交差線を光の加減で明確に見ることが難しく、例えば後ケース25bの背面中央にシート端部が位置させてあるような場合に比べて、シート端部の僅かなずれが見え難くなるからである。また、装飾シート19が両円弧面38・39に沿って湾曲しているので、シート端部には交差部の側へ近付く向きの力が作用する傾向があり、そのためシート端部のずれを矯正できることにもなる。
【0015】
【実施例】
図面はこの発明をフェイスシェーバーのケース体に適用した実施例を示す。図2においてフェイスシェーバーは、上下に長いケース体1を有し、その上半のヘッド部2に刃ユニット3を設け、下半のグリップ部の内部に、刃ユニット3用の駆動機構とその動力源であるモーター4および電池5などを配置してなる。ケース体1の前面中央には、モーター4への通電をオン・オフする操作ノブ6を有す。ヘッド部2には、刃ユニット3を保護するための上すぼまり鞘状のキャップ7が着脱可能に装着されている。
【0016】
図4ないし図6において刃ユニット3は、装着面が開口するケース8と、ケース8に固定される固定刃9、および駆動機構で往復駆動される可動刃10などで構成する。駆動機構は、モーター4の出力軸に固定した原動ギヤ11と、原動ギヤ11の回転動力を受け継ぐフェースギヤ12と、フェースギヤ12でクランクピン13を介して上下方向へ往復駆動される駆動アーム14とからなる。駆動アーム14の先端は、可動刃10の下端に設けた駆動ピースに差し込み連結してある。
【0017】
モーター4への通電をオン・オフするためのスイッチ構造は、内ケース1Aおよび外ケース1Bに通設した上下方向に長いガイド溝15a・15bと、両ガイド溝15a・15bの内外に配置したスイッチピース16、および先の操作ノブ6と、スイッチピース16に装着した可動端子17と、ケース内面に固定される固定端子18などで構成する。操作ノブ6を上方にスライド操作すると、スイッチピース16と可動端子17とが同行スライドして、固定端子18とモーター4側の接続端子との間を導通する。
【0018】
図7および図8においてケース体1は、ヘッド部2を含む内ケース1Aと、主としてグリップ部を構成する外ケース1Bとで内外二重に構成し、両ケース1A・1Bの間に装飾シート19が装填される。外ケース1Bより上側に突出する内ケース1Aの上半部分、即ち装着部20に先のキャップ7を外嵌装着する(図6参照)。外ケース1Bの下側の差込口21から突出する内ケース1Aの下端には、電池キャップ22が着脱可能に装着してある。内ケース1Aの上部背面には、刃ユニット3が着脱可能に装着される。図3において刃ユニット3は、うぶ毛用の刃ユニットとまゆ毛用の刃ユニットとがあり、両者を交換装着できるようになっている。符号23は、ヘッド部2に装着した刃ユニット3と係合して同ユニット3の分離を防ぐためのロックボタンである。
【0019】
内ケース1Aは、前後に分割された前ケース25aと後ケース25bとを蓋合わせ状に接合して構成する。前後の両ケース25a・25bは、リサイクル使用を可能とするために、それぞれ原料色(乳白色または透明)のままの、無着色のABS樹脂を射出成形して形成する。両ケース25a・25bの下端には、電池キャップ22を係合装着するためのバヨネット溝26を形成してあり、その上部に装飾シート19の抜け出しを防ぐための受部27が周回状に突設されている。
【0020】
図9において前ケース25aは、電池5を収容する断面半円状の下収容部29と、モーター4および刃ユニット3用の駆動機構等を収容する中間収容部30と、刃ユニット3が蓋合わせ状に接合される上収容部31とを一体に備えたプラスチック成形品からなり、下収容部29と中間収容部30の左右側縁のそれぞれに3個の連結脚32が突設してある。先のガイド溝15aは、中間収容部30の下端寄りの前面に開口する。後ケース25bは、前ケース25aと同様の下収容部33と中間収容部34とを備えているが、前ケース25aの上収容部31に相当する部分は、刃ユニット3を装着するために省略してある。中間収容部34の内面には、フェースギヤ12を支持する軸35を一体に突設し、下収容部33と中間収容部34の左右側面のそれぞれに、先の連結脚32に対応する係合穴36を通設してある(図11参照)。
【0021】
外ケース1Bは、前側円弧面38と後側円弧面39とを有する断面木の葉形で上すぼまり状の筒状体からなり、乳白状の半透明のポリカーボネイトを素材にして成形する。外ケース1Bの内面の上端寄り4箇所には、装飾シート19の差し込み限界を規定する突起40を設ける。この突起40は、図10に示すように前後の両ケース25a・25bの中途部周面に設けた係合凹部41と係合して、内ケース1Aが外ケース1Bから抜け出すのを阻止するための係合突起42を兼ねている。外ケース1Bは、前後両ケース25a・25bが前後に分離するのを阻止することにも役立っている。
【0022】
装飾シート19は金属、ガラス、あるいはプラスチックチップなどの微粒子が混入された蛍光インクを用いて着色されたポリカーボネイト製のシートからなり、微粒子を混入することにより、シート表面に微少凹凸面44が形成される。微少凹凸面44は、シート表面が外ケース1Bの内面に密着するのを防ぎ、さらに真珠表面のような鈍い光輝性を付加して高級感を醸し出すことに役立つ。装飾シート19にも、先のガイド溝15a・15bに対応するスリット45が形成してある。装飾シート19は、外ケース1Bの前側円弧面38と後側円弧面39との一方の交差部内面において二つ折りにされて、シート端部が他方の交差部内面に臨んでいる。シート端部のずれが目立つのを防ぐためである。装飾シート19は、前後ケース25a・25bの接合面を覆い隠して、ケース体1の外観を向上することにも役立っている。因みに、装飾シート19は全体が単一色で着色してあってもよいし、複数色の蛍光インクを用いて模様や絵柄が形成してあってもよい。
【0023】
ケース体1の組立は以下の手順で行う。まず、装飾シート19を外ケース1Bの差込口21から差し込んで、その差込始端縁を突起40に接当させる。次いで、前後ケース25a・25b内にモーター4や駆動機構などが組み込まれた内ケース1Aを、ヘッド部2側を始端にして差込口21から外ケース1B内に差し込む。このとき装飾シート19は、自己の弾性で外ケース1Bの内面の円弧面に沿って密着しているので、両者1B・19間の摩擦で仮組状態を維持し、装飾シート19が滑落するのをよく防止できるうえ、内ケース1Aの組み付けを、装飾シート19に邪魔されることもなく簡単に行える。内ケース1Aを最後まで押し込んで、その係合凹部41内に突起40(係合突起42)が落ち込み係合すると、同時に受部27が外ケース1Bの差込口21の開口周縁に接当するので、装飾シート19を内外の両ケース1A・1Bで挟み固定し、さらに突起40と受部27とで遊動不能に固定できる。
【0024】
上記のように、外ケース1Bを半透明のプラスチック成形品で形成し、その内面に蛍光色を発する装飾シート19を配置すると、見かけ上は恰も着色成形した本体ケースと同様の深みのある呈色状態が得られ、透明体において避けられない冷涼感が生じることもない。外ケース1Bの表面に擦り傷や打ち傷が生じても、ケース壁が半透明化してあるうえ、装飾シート19の微少凹凸面44が微少模様のように見えるので、表面瑕疵が際立って目立つのを阻止でき、これにより外ケース1Bの外観上の印象、なかでも美感や清潔感を長期にわたって維持できる。蛍光色を発する装飾シート19を用いるので、半透明の外ケース1Bを介して表装飾シート19の色を表示する構造でありながら、通常の印刷インク等で装飾シート19を着色した場合に比べて、色のぼやけを極力避け、より明瞭な呈色状態を発揮できる。さらに、乳白状に半透明化した外ケース1Bによれば、装飾シート19の色調および彩度が、外ケース1Bの乳白色と混ざり合って若干淡い感じになるが、見かけの色の深みをさらに増すことができるうえ、表面の傷も目立ちにくくなる。
【0025】
上記の実施例以外に、外ケース1Bは透明なプラスチック材で形成することができ、この場合には外ケース1Bを内ケース1Aと同様にリサイクル使用することができる。外ケース1Bには、突起40と係合突起42とが別な位置に設けてあってもよい。微少凹凸面44は、装飾シート19の表面にサンドブラストを施して形成でき、あるいは外ケース1Bの内面を梨地面とすることで形成できる。内ケース1Aおよび外ケース1Bは、それぞれの筒壁が周回方向に連続している必要はなく、例えば断面C字形の筒体であってもよい。
【図面の簡単な説明】
【図1】ケース体のみの断面図である。
【図2】キャップを外した状態でのフェースシェーバーの正面図である。
【図3】刃ユニットを分解した状態でのフェースシェーバーの背面図である。
【図4】内部構造の分解断面図である。
【図5】フェースシェーバーの縦断側面図である。
【図6】刃ユニットとその駆動機構をケースを破断して示す内部正面図である。
【図7】ケース体の分解斜視図である。
【図8】ケース体の分解正面図である。
【図9】内ケースの縦断面図である。
【図10】内ケースと外ケースとの係合構造を示す断面図である。
【図11】前ケースと後ケースとの係合構造を示す断面図である。
【符号の説明】
1 ケース体
1A 内ケース
1B 外ケース
19 装飾シート
25a 前ケース
25b 後ケース
40 突起
41 係合凹部
42 係合突起
44 微少凹凸面
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a case body used in a face shaver, an eyelash curler, an electric toothbrush, an electric nail polisher, a shaver, a hair dryer and the like, and a pen, a mop handle, a magnetic head cleaner, and the like.
[0002]
[Prior art]
For electrical equipment with the same external shape and specifications, multiple types of products that differ only in the color and pattern of the appearance of the case body may be prepared in order to expand the choice of users or improve the appeal of the product . In many cases, a plurality of types of case bodies that differ only in hue are colored and molded, and printing is performed on the outer surface of the case bodies or labels are attached to obtain case bodies having different apparent impressions and designs.
[0003]
[Problems to be solved by the invention]
As described above, when multiple types of case bodies with different molding colors are prepared and the design is diversified, the molding cost increases as the number of types of case bodies increases, and the labor of parts management and assembly management increases. Increase. In most cases, in order to avoid an increase in cost, the number of series products with different colors is often limited to only two or three. The plastic material colored at the time of molding also has a disadvantage that it is difficult to reuse it as a recycled material.
[0004]
SUMMARY OF THE INVENTION An object of the present invention is to provide a case body that can be supplied with any number of series products with different apparent impressions and designs at low cost, can be easily assembled, and is suitable mainly for use in electrical equipment. . The object of the present invention is that the inner and outer cases constituting the case body can be recycled, and even when the surface has surface flaws such as scratches and scratches, the surface flaws are conspicuous in the same manner as the colored molded case body. Therefore, the beauty and cleanliness of the case body can be maintained over a long period of time.
[0005]
[Means for Solving the Problems]
As shown in FIG. 1, the case body 1 of the present invention is formed in a double cylinder shape by an inner case 1A and a transparent or translucent outer case 1B that fits outside the inner case 1A. A decorative sheet 19 is loaded between them. At one end of the outer case 1B, a decorative sheet 19 and an insertion port 21 for the inner case 1A are opened. On the inner surface of the other end of the outer case 1B, a protrusion 40 that defines the insertion limit of the decorative sheet 19 is provided. Is provided. A receiving portion 27 that prevents the decorative sheet 19 from coming off is provided on the outer surface of the inner case 1A on the insertion end side. Between the inner and outer cases 1A and 1B, there are provided an engaging protrusion 42 and an engaging recess 41 that engage with each other and maintain the assembled state of the cases 1A and 1B.
[0006]
Specifically, the projection 40 that defines the insertion limit of the decorative sheet 19 also serves as the engagement projection 42 on the outer case 1B side, and the engagement recess 41 is provided on the peripheral surface on the insertion start end side of the inner case 1A. Yes.
[0007]
On at least one of the inner surface of the outer case 1 </ b> B and the outer surface of the decorative sheet 19, a minute uneven surface 44 that prevents the both from being closely attached is formed.
[0008]
The inner case 1A is composed of a front case 25a and a rear case 25b which are divided into two in the front and rear directions, and both the front and rear cases 25a and 25b are fixedly held by the outer case 1B so as not to be separated.
[0009]
The outer case 1B is formed as a leaf-shaped cylinder of a cross-sectional tree having a front arc surface 38 and a rear arc surface 39, and the decorative sheet 19 has an inner surface at one intersection of the front arc surface 38 and the rear arc surface 39. And the sheet end portion faces the inner surface of the other intersecting portion.
[0010]
[Effects of the invention]
The case body 1 of the present invention is formed in a double cylinder shape by an inner case 1A and a transparent or translucent outer case 1B fitted to the inner case 1A, and a decorative sheet 19 is provided between the inner and outer cases 1A and 1B. Is loaded. As the decoration sheet 19, a plurality of types of sheets having different coloring states and patterns are prepared. As described above, according to the case body that displays the coloring or pattern of the decorative sheet 19 via the outer case 1B, just by changing the decorative sheet 19, there are several types of series products of the case body that have different apparent impressions and designs. But it can be supplied at low cost. Further, the protrusion 40 provided on the inner surface of one end of the outer case 1B defines the insertion limit of the decorative sheet 19, and the receiving portion 27 provided on the insertion terminal side of the inner case 1A prevents the decorative sheet 19 from being pulled out. Therefore, at the time of assembling, the decorative sheet 19 can be positioned simply by assembling the outer case 1B, the decorative sheet 19, and the inner case 1A in the order of description, and the labor required for assembling the decorative sheet 19 that is easily bent can be reduced.
[0011]
When the protrusion 40 that defines the insertion limit of the decorative sheet 19 also serves as the engaging protrusion 42 that maintains the assembled state of the inner and outer cases 1A and 1B, the outer case 1B is compared to the case where the engaging protrusion 42 is provided separately. The structure of the decorative sheet 19 is simplified, and the manufacturing cost of the case body 1 can be reduced correspondingly. Molding of the outer case 1B can also be facilitated.
[0012]
When the minute uneven surface 44 is formed on at least one of the inner surface of the outer case 1B and the outer surface of the decorative sheet 19, the decorative sheet 19 is in close contact with the outer case 1B to eliminate the appearance of being wet. And the impression on the appearance is improved. In particular, if fine irregularities 44 are formed by adhering fine particles such as metal, glass, or plastic chips to the surface of the sheet, a dull glitter like the pearl surface can be added to create a high-class feeling. Even when surface flaws such as scratches and bruises are generated on the surface of 1B, the fine uneven surface 44 makes it difficult to see wrinkles and prevents wrinkles from being noticeable. Therefore, the beauty and cleanliness of the case body can be maintained over a long period of time. Compared with the case where the minute uneven surface 44 is formed on the inner surface of the outer case 1B, the processing is easy and the cost can be reduced.
[0013]
According to the case body in which the front case 25a and the rear case 25b divided into the front and rear parts constitute the inner case 1A and these front and rear cases 25a and 25b are fixedly held by the outer case 1B in an inseparable manner, the inner case 1A Various parts can be easily assembled in the interior, and the front and rear cases 25a and 25b divided into the front and rear parts are separated at the joint surface by a drop impact or the like by fixing and holding the outer surface with the outer case 1B. Is reliably prevented, and the structural strength of the case body 1 is increased.
[0014]
The outer case 1B is formed as a leaf-shaped cylindrical body having a front circular arc surface 38 and a rear circular arc surface 39, and the decorative sheet 19 is folded in half at the inner surface of one of the circular arc surfaces 38, 39. According to the case body in which the sheet end portion faces the inner surface of the other intersecting portion, even if a slight shift occurs in the sheet end portion, it is possible to prevent the shift from being conspicuous and maintain the appearance in appearance. In the leaf-shaped cylinder of the cross-section tree, the thickness of the intersecting portion of both arc surfaces 38 and 39 is thicker than the others, so it is difficult to clearly see the intersecting line on the inner surface by adjusting the light, for example, the rear center of the rear case 25b This is because a slight shift of the sheet end portion is difficult to see compared to the case where the sheet end portion is positioned on the sheet. Further, since the decorative sheet 19 is curved along both the arc surfaces 38 and 39, there is a tendency that a force in a direction approaching the crossing portion acts on the end portion of the sheet, so that the deviation of the end portion of the sheet is corrected. It can also be done.
[0015]
【Example】
The drawings show an embodiment in which the present invention is applied to a case body of a face shaver. In FIG. 2, the face shaver has a case body 1 that is long in the vertical direction, a blade unit 3 is provided in the upper half head portion 2, and a drive mechanism for the blade unit 3 and its power are provided in the lower half grip portion. The motor 4 and the battery 5 which are the sources are arranged. In the center of the front surface of the case body 1, there is an operation knob 6 for turning on / off the power to the motor 4. The head portion 2 is detachably attached with a cap 7 having an upper constricted sheath for protecting the blade unit 3.
[0016]
4 to 6, the blade unit 3 includes a case 8 whose mounting surface is open, a fixed blade 9 fixed to the case 8, a movable blade 10 that is reciprocally driven by a drive mechanism, and the like. The driving mechanism includes a driving gear 11 fixed to the output shaft of the motor 4, a face gear 12 that inherits the rotational power of the driving gear 11, and a driving arm 14 that is reciprocated vertically by the face gear 12 via a crank pin 13. It consists of. The distal end of the drive arm 14 is inserted and connected to a drive piece provided at the lower end of the movable blade 10.
[0017]
The switch structure for turning on / off the energization of the motor 4 includes a guide groove 15a / 15b which is long in the up / down direction provided in the inner case 1A and the outer case 1B, and a switch arranged inside / outside of both guide grooves 15a / 15b. It comprises a piece 16, the previous operation knob 6, a movable terminal 17 attached to the switch piece 16, a fixed terminal 18 fixed to the inner surface of the case, and the like. When the operation knob 6 is slid upward, the switch piece 16 and the movable terminal 17 slide together to conduct between the fixed terminal 18 and the connection terminal on the motor 4 side.
[0018]
7 and 8, the case body 1 is configured in an inner / outer double manner by an inner case 1A including the head portion 2 and an outer case 1B mainly constituting a grip portion, and a decorative sheet 19 is provided between the cases 1A and 1B. Is loaded. The cap 7 is externally attached to the upper half portion of the inner case 1A protruding upward from the outer case 1B, that is, the attachment portion 20 (see FIG. 6). A battery cap 22 is detachably attached to the lower end of the inner case 1A protruding from the lower insertion port 21 of the outer case 1B. The blade unit 3 is detachably mounted on the upper back surface of the inner case 1A. In FIG. 3, the blade unit 3 includes a blade unit for vellus hair and a blade unit for eyebrows, and both can be exchanged. Reference numeral 23 denotes a lock button for engaging with the blade unit 3 mounted on the head unit 2 to prevent the unit 3 from being separated.
[0019]
The inner case 1A is configured by joining a front case 25a and a rear case 25b, which are divided into front and rear, in a lid-matching manner. Both the front and rear cases 25a and 25b are formed by injection-molding a non-colored ABS resin that remains in the raw material color (milky white or transparent) in order to enable recycling. A bayonet groove 26 for engaging and mounting the battery cap 22 is formed at the lower ends of both cases 25a and 25b, and a receiving portion 27 for preventing the decorative sheet 19 from coming out protrudes in a circular shape on the upper portion thereof. Has been.
[0020]
In FIG. 9, the front case 25 a includes a lower housing portion 29 having a semicircular cross section for housing the battery 5, an intermediate housing portion 30 for housing the drive mechanism for the motor 4, the blade unit 3, and the blade unit 3. It is made of a plastic molded product integrally provided with an upper housing portion 31 joined in a shape, and three connecting legs 32 project from the left and right side edges of the lower housing portion 29 and the intermediate housing portion 30. The previous guide groove 15 a opens in the front surface near the lower end of the intermediate housing portion 30. The rear case 25 b includes a lower housing portion 33 and an intermediate housing portion 34 similar to the front case 25 a, but a portion corresponding to the upper housing portion 31 of the front case 25 a is omitted for mounting the blade unit 3. It is. A shaft 35 that supports the face gear 12 is integrally projected on the inner surface of the intermediate housing portion 34, and the lower housing portion 33 and the left and right side surfaces of the intermediate housing portion 34 are engaged with the corresponding connecting legs 32. A hole 36 is provided (see FIG. 11).
[0021]
The outer case 1B is formed of a leaf-shaped cylindrical body having a front arcuate surface 38 and a rear arcuate surface 39, and is formed from a milky translucent polycarbonate. Protrusions 40 that define the insertion limit of the decorative sheet 19 are provided at four locations near the upper end of the inner surface of the outer case 1B. As shown in FIG. 10, the protrusion 40 engages with an engagement recess 41 provided in the middle peripheral surface of the front and rear cases 25a and 25b to prevent the inner case 1A from slipping out of the outer case 1B. This also serves as the engaging projection 42. The outer case 1B also serves to prevent the front and rear cases 25a and 25b from separating front and rear.
[0022]
The decorative sheet 19 is made of a polycarbonate sheet colored using fluorescent ink mixed with fine particles such as metal, glass, or plastic chip, and the minute uneven surface 44 is formed on the surface of the sheet by mixing the fine particles. The The minute uneven surface 44 is useful for preventing the sheet surface from adhering to the inner surface of the outer case 1B and adding a dull glitter like a pearl surface to create a high-class feeling. The decorative sheet 19 is also formed with slits 45 corresponding to the guide grooves 15a and 15b. The decorative sheet 19 is folded in half at the inner surface of one of the intersecting portions of the front arc surface 38 and the rear arc surface 39 of the outer case 1B, and the sheet end faces the other intersecting portion inner surface. This is to prevent the deviation of the sheet edge from being noticeable. The decorative sheet 19 also serves to improve the appearance of the case body 1 by covering and concealing the joint surfaces of the front and rear cases 25a and 25b. Incidentally, the entire decorative sheet 19 may be colored with a single color, or a pattern or a pattern may be formed using a plurality of colors of fluorescent ink.
[0023]
The assembly of the case body 1 is performed according to the following procedure. First, the decorative sheet 19 is inserted from the insertion port 21 of the outer case 1 </ b> B, and its insertion start edge is brought into contact with the protrusion 40. Next, the inner case 1A in which the motor 4 and the drive mechanism are incorporated in the front and rear cases 25a and 25b is inserted into the outer case 1B from the insertion port 21 with the head portion 2 side as a starting end. At this time, since the decorative sheet 19 is in close contact with the arc surface of the inner surface of the outer case 1B by its own elasticity, the temporary assembled state is maintained by the friction between the two 1B and 19, and the decorative sheet 19 slides down. The inner case 1A can be easily assembled without being obstructed by the decorative sheet 19. When the inner case 1A is pushed down to the end, and the protrusion 40 (engagement protrusion 42) falls into the engagement recess 41 and engages, the receiving portion 27 simultaneously contacts the opening periphery of the insertion port 21 of the outer case 1B. Therefore, the decorative sheet 19 can be fixed between the inner and outer cases 1 </ b> A and 1 </ b> B, and further, the protrusion 40 and the receiving portion 27 can be fixed so as not to move freely.
[0024]
As described above, when the outer case 1B is formed of a translucent plastic molded product and the decorative sheet 19 that emits a fluorescent color is arranged on the inner surface thereof, the coloration with the same depth as that of the main body case that is apparently colored and molded. A state is obtained, and an inevitable cool feeling is not generated in the transparent body. Even if scratches or scratches occur on the surface of the outer case 1B, the case wall is translucent and the minute uneven surface 44 of the decorative sheet 19 looks like a minute pattern, thus preventing the surface flaws from being noticeable. In this way, it is possible to maintain the appearance of the outer case 1B, particularly the aesthetics and cleanliness, over a long period of time. Since the decorative sheet 19 that emits a fluorescent color is used, the color of the front decorative sheet 19 is displayed through the translucent outer case 1B, but the decorative sheet 19 is colored with a normal printing ink or the like. The color blur can be avoided as much as possible, and a clearer color state can be exhibited. Furthermore, according to the outer case 1B translucent to a milky white, the color tone and saturation of the decorative sheet 19 are mixed with the milky white of the outer case 1B to make it slightly faint, but the apparent color depth is further increased. In addition, the surface scratches are less noticeable.
[0025]
In addition to the above embodiment, the outer case 1B can be formed of a transparent plastic material. In this case, the outer case 1B can be recycled as in the case of the inner case 1A. The outer case 1B may be provided with the protrusion 40 and the engaging protrusion 42 at different positions. The minute uneven surface 44 can be formed by sandblasting the surface of the decorative sheet 19, or can be formed by using the inner surface of the outer case 1B as a satin surface. The inner case 1 </ b> A and the outer case 1 </ b> B do not have to be continuous in the circumferential direction, and may be, for example, cylinders having a C-shaped cross section.
[Brief description of the drawings]
FIG. 1 is a sectional view of only a case body.
FIG. 2 is a front view of a face shaver with a cap removed.
FIG. 3 is a rear view of the face shaver with the blade unit disassembled.
FIG. 4 is an exploded cross-sectional view of the internal structure.
FIG. 5 is a vertical side view of a face shaver.
FIG. 6 is an internal front view of the blade unit and its drive mechanism with the case cut away.
FIG. 7 is an exploded perspective view of a case body.
FIG. 8 is an exploded front view of the case body.
FIG. 9 is a longitudinal sectional view of an inner case.
FIG. 10 is a cross-sectional view showing an engagement structure between an inner case and an outer case.
FIG. 11 is a sectional view showing an engagement structure between a front case and a rear case.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Case body 1A Inner case 1B Outer case 19 Decoration sheet 25a Front case 25b Rear case 40 Protrusion 41 Engagement recessed part 42 Engagement protrusion 44 Slightly uneven surface

Claims (4)

内ケース1Aと、内ケース1Aに外嵌する透明ないし半透明の外ケース1Bとで2重筒状に形成され、内外両ケース1A・1Bの間に装飾シート19が装填してあるケース体であって、
外ケース1Bの一端には、装飾シート19および内ケース1A用の差込口21が開口しており、外ケース1Bの他端の内面には、装飾シート19の差し込み限界を規定する突起40が設けられており、
内ケース1Aの差し込み終端側の外面に、装飾シート19の抜け出しを防ぐ受部27が設けられており、
内外両ケース1A・1Bの間に、互いに係合して両ケース1A・1Bの組み付け状態を維持する係合突起42と係合凹部41とが設けてあり、
装飾シート19の差し込み限界を規定する外ケース1B側の突起40が、係合突起42を兼ねており、
係合凹部41が内ケース1Aの差し込み始端側の周面に設けてあるケース体。
A case body that is formed in a double cylinder shape by an inner case 1A and a transparent or translucent outer case 1B that is fitted on the inner case 1A, and a decorative sheet 19 is loaded between the inner and outer cases 1A and 1B. There,
A decorative sheet 19 and an insertion port 21 for the inner case 1A are opened at one end of the outer case 1B, and a protrusion 40 that defines the insertion limit of the decorative sheet 19 is formed on the inner surface of the other end of the outer case 1B. Provided,
A receiving portion 27 for preventing the decorative sheet 19 from coming off is provided on the outer surface of the inner case 1A on the insertion end side,
Between inner and outer casing 1A · 1B, Ri Ah provided and the engagement projection 42 and engagement recess 41 to maintain the assembled state of both cases 1A · 1B are engaged with each other,
The projection 40 on the outer case 1B side that defines the insertion limit of the decorative sheet 19 also serves as the engagement projection 42,
A case body in which an engaging recess 41 is provided on the peripheral surface of the inner case 1A on the insertion start end side .
外ケース1Bの内面と、装飾シート19の外面との少なくともいずれか一方に、両者の密着を妨げる微少凹凸面44が形成されている請求項1記載のケース体。2. The case body according to claim 1, wherein a minute uneven surface is formed on at least one of the inner surface of the outer case and the outer surface of the decorative sheet. 内ケース1Aが、前後に2分割された前ケース25aと後ケース25bとで構成されており、The inner case 1A is composed of a front case 25a and a rear case 25b which are divided into two parts in the front and rear direction.
前後両ケース25a・25bが、外ケース1Bで分離不能に固定保持されている請求項1または2記載のケース体。The case body according to claim 1 or 2, wherein the front and rear cases 25a and 25b are fixedly held by the outer case 1B so as not to be separated.
外ケース1Bが、前側円弧面38と後側円弧面39とを有する断面木の葉形の筒体として形成されており、The outer case 1B is formed as a leaf-shaped cylinder of a cross-sectional tree having a front arc surface 38 and a rear arc surface 39,
装飾シート19は、前側円弧面38と後側円弧面39との一方の交差部内面において二つ折りにされて、シート端部が他方の交差部内面に臨んでいる請求項1ないし3いずれかに記載のケース体。The decorative sheet 19 is folded in two at the inner surface of one of the intersecting portions of the front arc surface 38 and the rear arc surface 39, and the sheet end faces the inner surface of the other intersecting portion. Case body described.
JP2000399509A 2000-12-27 2000-12-27 Case body Expired - Fee Related JP4674736B2 (en)

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JP5196627B2 (en) * 2007-03-23 2013-05-15 株式会社泉精器製作所 Eyebrow beautician
JP5224348B2 (en) * 2008-07-03 2013-07-03 日立マクセル株式会社 Electric razor
JP6217843B2 (en) * 2014-03-28 2017-10-25 サンスター株式会社 electric toothbrush

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