JP5505237B2 - Drum washing machine - Google Patents

Drum washing machine Download PDF

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JP5505237B2
JP5505237B2 JP2010223745A JP2010223745A JP5505237B2 JP 5505237 B2 JP5505237 B2 JP 5505237B2 JP 2010223745 A JP2010223745 A JP 2010223745A JP 2010223745 A JP2010223745 A JP 2010223745A JP 5505237 B2 JP5505237 B2 JP 5505237B2
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washing machine
door body
drum
front frame
window
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JP2012075689A (en
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一憲 前田
裕貴 柿沼
淳也 坂元
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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本発明は、水平または略水平に回転軸を有する回転ドラムを配し、本体前方より衣類の出し入れを行うドラム式洗濯機の蓋構造に関するものである。   The present invention relates to a lid structure for a drum-type washing machine in which a rotating drum having a rotating shaft is arranged horizontally or substantially horizontally and clothes are taken in and out from the front of the main body.

従来、この種のドラム式洗濯機では、本体正面側前方に配した衣類を出し入れする扉体を開いて作業する際、回転ドラムの軸心線上に水槽の洗濯物出入り口の中心並びに扉体の中心を一致させると、扉体を開いた場合回転ドラムの内方に死角が発生し洗濯物の存在に気がつかず取り出し忘れを生じる事がある。その防止の為、水槽の洗濯物出入り口および蓋体の中心位置を回転ドラムの軸心線より上方に偏った位置に配していた（例えば、特許文献１参照）。   Conventionally, in this type of drum type washing machine, when the door body for putting in and out the clothes arranged in front of the main body is opened and operated, the center of the laundry doorway and the center of the door body on the axis of the rotating drum If the doors are opened, a blind spot may be generated inside the rotating drum when the door is opened, and the user may not forget to take out the laundry without noticing the presence of the laundry. In order to prevent this, the laundry entrance / exit of the water tub and the center position of the lid are arranged at positions offset upward from the axis of the rotating drum (see, for example, Patent Document 1).

図５は、特許文献１に記載された従来のドラム式洗濯機の要部構成を示す断面図である。図５に示すように、洗濯機筐体２内方には水槽３が揺動自在に防振支持され、この水槽３内に回転自在に回転ドラム５をその回転軸方向Ｒが水平方向Ｈから角度θに傾斜させて配置する。水槽３は、有底円形筒形に形成された水槽本体３ａの開口端に、洗濯物を回転ドラム５内から出し入れするための洗濯物出入口１１を形成した水槽蓋体３ｂを接合して構成され、この洗濯物出入り口１１に対向させて洗濯機筐体２の正面側に形成された傾斜面２ａに開閉自在に扉体８を設ける。   FIG. 5 is a cross-sectional view showing a main configuration of a conventional drum-type washing machine described in Patent Document 1. As shown in FIG. As shown in FIG. 5, a water tub 3 is swingably supported inside the washing machine casing 2, and the rotating drum 5 is rotatably rotated in the water tub 3 so that the rotation axis direction R thereof extends from the horizontal direction H. Inclined at an angle θ. The aquarium 3 is configured by joining a water tank lid 3b having a laundry entrance / exit 11 for taking in and out the laundry from the rotating drum 5 to an open end of a water tank main body 3a formed in a bottomed circular cylindrical shape. The door body 8 is provided on the inclined surface 2a formed on the front side of the washing machine casing 2 so as to face the laundry doorway 11 so as to be opened and closed.

前記扉体８の一部あるいは全体を透明体として形成し、回転ドラム５内部を外部より透視するようにもなっている。   A part or the whole of the door body 8 is formed as a transparent body, and the inside of the rotary drum 5 is seen through from the outside.

回転ドラム５は傾斜配置し、その開口部に対抗して扉体８を設けてその開閉により回転ドラム５内部の洗濯物を出し入れする傾斜ドラム式とすることで、使用者が作業時の腰を屈める具合を少なくした作業性を高めている。   The rotary drum 5 is inclined, and a door body 8 is provided against the opening, and the rotary drum 5 is of an inclined drum type that allows the laundry inside the rotary drum 5 to be taken in and out by opening and closing the rotary drum 5. Increases workability with less bending.

さらに、上記洗濯物の出入口１１は、その中心線Ａが回転ドラム５の回転中心軸Ｒから上方向に偏心させて形成され、この洗濯物の出入口１１に対向させ、中心位置を洗濯物の出入口１１の中心線Ａ上に略一致させて扉体８を配置している。   Further, the laundry entrance / exit 11 is formed such that its center line A is decentered upward from the rotation center axis R of the rotary drum 5, facing the laundry entrance / exit 11, and the center position is the laundry entrance / exit. The door body 8 is arranged substantially on the center line A of 11.

なお、扉体８の直径Ｄ１は、ドラム式洗濯機の設置場所の制約や、扉体強度などから寸法の制約があり、回転ドラム５の開口径Ｄ６より小さくしている（Ｄ１＜Ｄ６）。   Note that the diameter D1 of the door body 8 is smaller than the opening diameter D6 of the rotating drum 5 (D1 <D6) due to restrictions on the installation location of the drum type washing machine and restrictions on the size of the door body.

上述のように、洗濯物出入口１１及び扉体８をその中心線Ａが回転ドラム５の回転軸心Ｒから上方向に偏った位置に設けると、扉体８を開いて洗濯物出入口１１を通して回転ドラム５の内部を覗いたとき、たとえ扉体８の直径が小さくても、死角となる部分が少なくなり、回転ドラム５内に収容した洗濯物が広範囲にわたって見えるので、洗濯物の取り出し忘れなどが生じ難くなる。   As described above, when the laundry doorway 11 and the door body 8 are provided at positions where the center line A is offset upward from the rotational axis R of the rotary drum 5, the door body 8 is opened and rotated through the laundry doorway 11. When looking inside the drum 5, even if the door 8 has a small diameter, the number of blind spots is reduced, and the laundry stored in the rotating drum 5 can be seen over a wide area. It becomes difficult to occur.

特に、本実施形態に係るドラム式洗濯機のように、回転ドラム５を傾斜配置し、回転ドラム５の傾斜角度に対応させた筐体２の前面の傾斜面２ａに扉体扉体８を設けた構成においては、より広範囲に回転ドラム５の内部を見ることができるという構成である。   In particular, as in the drum-type washing machine according to the present embodiment, the rotary drum 5 is inclined and the door body 8 is provided on the inclined surface 2a of the front surface of the housing 2 corresponding to the inclination angle of the rotary drum 5. In this configuration, the inside of the rotating drum 5 can be seen in a wider range.

図６の蓋部の部分断面図において、筐体２の前面傾斜面２ａに構成した扉体８は、前方に緩やかな凸状球面を有する透明樹脂材等で構成した蓋カバー２１と、中央を内方に凹状に皿形状をなす耐熱ガラス等で構成した窓板２２および、前記窓板２２を前後より挟持するドーナツ形状の表枠２３と裏枠２４で構成される。   In the partial cross-sectional view of the lid portion of FIG. 6, the door body 8 configured on the front inclined surface 2 a of the housing 2 includes a lid cover 21 configured with a transparent resin material having a gently convex spherical surface on the front, and a center. It consists of a window plate 22 made of heat-resistant glass or the like that is concavely shaped inward, and a donut-shaped front frame 23 and a back frame 24 that sandwich the window plate 22 from the front and rear.

窓板２２の平面状端面２２ａの外径Ｄ２は、前記表枠２３と裏枠２４の内径Ｄ３にて挟持され、表枠２３の外径部２３ａは蓋カバー２１の外径Ｄ１にて被覆される。   The outer diameter D2 of the planar end surface 22a of the window plate 22 is sandwiched by the inner diameter D3 of the front frame 23 and the back frame 24, and the outer diameter portion 23a of the front frame 23 is covered with the outer diameter D1 of the lid cover 21. The

洗濯物の出入口は、窓板２２の傾斜面２２ｂと窓パッキン２５との当接部の直径Ｄ４が有効出入口となる。   The diameter D4 of the contact part of the inclined surface 22b of the window board 22 and the window packing 25 becomes an effective entrance / exit of the laundry entrance / exit.

また、扉体８が閉状態の際、蓋カバー２１および窓板２２を透視して内部が斜め上方より視認しやすいように、回転ドラム回転中心軸Ｒより上方に直径Ｄ４の有効出入口と蓋カバー２１の外径Ｄ１の中心線Ａを偏らせ、かつ表枠２３の内径部２３ｂの直径Ｄ３は、窓板２２と窓パッキン２５との当接部の有効出入口Ｄ４に対して、Ｄ３＞Ｄ４としている。   In addition, when the door body 8 is in the closed state, the effective doorway and the lid cover having a diameter D4 above the rotary drum rotation center axis R so that the inside of the lid cover 21 and the window plate 22 can be seen through from the obliquely upward direction. 21 and the diameter D3 of the inner diameter portion 23b of the front frame 23 is D3> D4 with respect to the effective entrance D4 of the contact portion between the window plate 22 and the window packing 25. Yes.

また、図５においても説明したように、蓋カバー２１の外径即ち扉体８の外径Ｄ１は回転ドラム５の開口径Ｄ６よりも小さく設定し、扉体の強度を損なわないようにしている。   Further, as described in FIG. 5, the outer diameter of the lid cover 21, that is, the outer diameter D1 of the door body 8 is set smaller than the opening diameter D6 of the rotary drum 5 so as not to impair the strength of the door body. .

特開２００５−１３７６４１号公報JP 2005-137441 A

しかしながら、このような従来の構成では、ドラム内部の死角を少なくして衣類の取り出し忘れを少なくするという効果は高まるが、扉体８の直径および洗濯物出入口１１や有効出入口Ｄ４を小さく形成しているので、洗濯物の出し入れ作業そのものは操作しにくいという基本的な課題がある。   However, in such a conventional configuration, the effect of reducing the blind spot inside the drum and forgetting to take out the clothes is enhanced, but the diameter of the door body 8 and the laundry entrance 11 and the effective entrance D4 are formed to be small. Therefore, there is a basic problem that the operation of putting in and out the laundry itself is difficult to operate.

一方、図６において、有効出入口径Ｄ４を大きくするには、扉体８を大型化する為に、ガラス材の窓板２２の外径Ｄ２を径大に設定し、表枠２３と裏枠２４も共に径大としなければならない。   On the other hand, in FIG. 6, in order to increase the effective entrance / exit diameter D4, in order to increase the size of the door body 8, the outer diameter D2 of the window plate 22 made of glass material is set to a large diameter, and the front frame 23 and the back frame 24 Both must be large.

しかし、窓枠２２を透視出来る構成としてのガラス部材を使用しているので、扉体全体重量が重くなるので窓枠２２を保持する表枠２３等の支持部材に強度不足になる恐れがあり、強度不足を補うための構成により外観品質が低下するという課題もあった。   However, since the glass member is used as a configuration through which the window frame 22 can be seen through, the entire weight of the door body becomes heavy, so there is a risk that the strength of the support member such as the front frame 23 holding the window frame 22 will be insufficient. There was also a problem that the quality of appearance deteriorated due to the configuration for compensating for the insufficient strength.

本発明は、上記従来の課題を解決するもので、扉体の剛性を高め、透視可能な蓋体の外形状を大型化しつつ出入口を大きくして作業性を高め、かつ外観品質を高める事もことを目的としている。   The present invention solves the above-mentioned conventional problems, and increases the rigidity of the door body, enlarges the outer shape of the see-through lid body, enlarges the entrance and exit, improves workability, and improves the appearance quality. The purpose is that.

前記従来の課題を解決する為に、本発明のドラム式洗濯機は、洗濯機筐体正面より背面側に回転軸が下向きとなるように配置した有底円筒形に形成された回転ドラムと、前記洗濯機筐体正面に前記回転軸に略垂直に構成した前面傾斜面と、洗濯機筐体側に装着した窓パッキンと、前記前面傾斜面に設けられ略円形で開閉自在に構成した扉体とを備え、前記扉体は、ガラス等で形成した窓板と、前記窓板の周縁を狭持する略ドーナツ形状の表枠および裏枠と、前記扉体の前方を被覆する透明樹脂材等で構成した蓋カバーとを有し、前記表枠は、その内径部を前記窓板と前記窓パッキンとの当接部の有効出入口径より径小に設定し、かつ表枠の窓板側裏面にはリング状リブおよび複数の放射状リブを一体形成して設けたものである。   In order to solve the above-mentioned conventional problems, the drum type washing machine of the present invention is a rotating drum formed in a bottomed cylindrical shape arranged so that the rotating shaft faces downward from the front side of the washing machine casing to the back side; A front inclined surface configured substantially perpendicularly to the rotation axis on the front surface of the washing machine casing, a window packing attached to the washing machine casing side, and a door body provided on the front inclined surface and configured to be opened and closed substantially circularly. The door body is made of a window plate formed of glass or the like, a substantially donut-shaped front frame and a back frame that sandwich the periphery of the window plate, and a transparent resin material that covers the front of the door body. A lid cover configured, and the inner surface of the front frame is set to be smaller than the effective entrance / exit diameter of the contact portion between the window plate and the window packing, and on the rear surface of the front frame on the window plate side. Is provided by integrally forming a ring-shaped rib and a plurality of radial ribs.

これにより、扉体の剛性を高め、扉体を大型化でき有効出入口が大型化できたので、有効洗濯物の出し入れ作業の操作性を著しく向上する事が出来る。   As a result, the rigidity of the door body is increased, the door body can be enlarged, and the effective entrance / exit can be enlarged, so that the operability of taking in and out the effective laundry can be remarkably improved.

本発明のドラム式洗濯機は、剛性を有する大形の扉体により有効出入口を大きく構成したので、衣類の出し入れ作業を容易とすることができる。   In the drum type washing machine of the present invention, since the effective doorway is configured to be large by a large door having rigidity, it is possible to easily put in and out clothes.

本発明の実施の形態におけるドラム式洗濯機の外観図External view of drum-type washing machine in an embodiment of the present invention 同ドラム式洗濯機の蓋部分の部分断面図Partial sectional view of the lid part of the drum type washing machine 同ドラム式洗濯機の蓋部分の分解矢視図Exploded arrow view of the lid of the drum type washing machine 同ドラム式洗濯機の蓋部分の一部切載部分断面図Partial cutaway sectional view of the lid part of the drum type washing machine 従来のドラム式洗濯機の要部構成を示す断面図Sectional drawing which shows the principal part structure of the conventional drum type washing machine 同蓋部の部分断面図Partial sectional view of the lid

第１の発明は、洗濯機筐体正面より背面側に回転軸が下向きとなるように配置した有底円筒形に形成された回転ドラムと、前記洗濯機筐体正面に前記回転軸に略垂直に構成した前面傾斜面と、洗濯機筐体側に装着した窓パッキンと、前記前面傾斜面に設けられ略円形で開閉自在に構成した扉体とを備え、前記扉体は、ガラス等で形成した窓板と、前記窓板の周縁を狭持する略ドーナツ形状の表枠および裏枠と、前記扉体の前方を被覆する透明樹脂材等で構成した蓋カバーとを有し、前記表枠は、その内径部を前記窓板と前記窓パッキンとの当接部の有効出入口径より径小に設定し、かつ表枠の窓板側裏面にはリング状リブおよび複数の放射状リブを一体形成して設けたことにより、扉体の剛性を高め、扉体の大型化が可能となり、回転ドラムへの有効出入口が大型化できたので、洗濯物の出し入れ作業の操作性を著しく向上する事が出来る。   A first aspect of the present invention is a rotating drum formed in a bottomed cylindrical shape disposed so that a rotating shaft faces downward from the front side of the washing machine casing, and substantially perpendicular to the rotating shaft on the front side of the washing machine casing. A front inclined surface configured in the above, a window packing attached to the washing machine housing side, and a door body provided on the front inclined surface and configured to be openable and closable, and the door body is formed of glass or the like. A window plate, a substantially donut-shaped front frame and back frame that sandwich the periphery of the window plate, and a lid cover made of a transparent resin material or the like covering the front of the door body, The inner diameter portion is set smaller than the effective entrance / exit diameter of the contact portion between the window plate and the window packing, and a ring-shaped rib and a plurality of radial ribs are integrally formed on the rear surface of the front frame on the window plate side. This increases the rigidity of the door body and allows the door body to be enlarged, and the rotating drum The effective entrance of could be large in size, it is possible to improve significantly the operation of loading and unloading work of laundry.

第２の発明は、特に、上記第１の発明において、表枠の蓋カバー側表面には、リング状リブまたは放射状リブに対応する位置に複数の凹状窪みを形成したことにより、凹状窪みがデザイン的な模様として視認されるので、裏面のリブ形成による「ヒケ」の視認が極力防止され、デザイン的にも製品価値を損なうことが無くなる。   According to a second aspect of the present invention, in particular, in the first aspect of the present invention, a plurality of concave depressions are formed at positions corresponding to the ring-shaped ribs or radial ribs on the lid cover side surface of the front frame, so that the concave depressions are designed. Since it is visually recognized as a typical pattern, “sink marks” due to rib formation on the back surface are prevented as much as possible, and the product value is not impaired in terms of design.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、従来例と同じ構成のものは同一符号を付して説明を省略する。また、この実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the thing of the same structure as a prior art example attaches | subjects the same code | symbol, and abbreviate | omits description. Further, the present invention is not limited by this embodiment.

（実施の形態１）
図１は本発明の実施の形態におけるドラム式洗濯機の外観図である。図１において、洗濯機筐体３０の前方の前面傾斜面３０ａに上下方向寸法に近似する寸法の開閉自在の略円形の扉体３１を配し、図１のように扉体３１を開いた際に窓パッキン３２の内周部が形成する開口３３が、回転ドラム５内部との有効な洗濯物の出入口となる。 (Embodiment 1)
FIG. 1 is an external view of a drum-type washing machine according to an embodiment of the present invention. In FIG. 1, when a substantially circular door body 31 that is openable and closable with a size approximate to the vertical dimension is arranged on the front inclined surface 30 a in front of the washing machine housing 30, and the door body 31 is opened as shown in FIG. 1. The opening 33 formed by the inner peripheral portion of the window packing 32 is an effective laundry entrance / exit with the inside of the rotating drum 5.

図２の蓋部分の部分断面図において、洗濯機筐体３０の前面傾斜面３０ａに構成した扉体３１は、前方に緩やかな凸状球面を有する透明樹脂材等で構成した外径Ｌ１の蓋カバー３４と、中央を内方に凹状に皿形状をなす耐熱ガラス等で構成した外形Ｌ２の窓板３５および、前記窓板３５を前後より挟持するドーナツ形状の樹脂成型材で構成した表枠３６と裏枠３７で構成される。   In the partial cross-sectional view of the lid portion of FIG. 2, the door body 31 configured on the front inclined surface 30 a of the washing machine housing 30 is a lid having an outer diameter L <b> 1 configured of a transparent resin material having a gentle convex spherical surface on the front side. A cover 34, a window plate 35 having an outer shape L2 made of heat-resistant glass or the like having a dish-like shape inwardly in the center, and a table frame 36 made of a donut-shaped resin molding material sandwiching the window plate 35 from the front and rear. And a back frame 37.

扉体３１の総外径でもある蓋カバー３４の外径Ｌ１は、前記前面傾斜面３０ａの上下方向の寸法Ｌ５に近似するまで上下方向に大きく設定し、回転ドラム５の開口径Ｄ６に近似する大きさに拡大し、扉体３１の大型化を図っている。   The outer diameter L1 of the lid cover 34, which is also the total outer diameter of the door body 31, is set large in the vertical direction until it approximates the vertical dimension L5 of the front inclined surface 30a, and approximates the opening diameter D6 of the rotating drum 5. The door body 31 is increased in size to increase the size.

前記窓板３５の外周の周縁平面状端面３５ａの外径Ｌ２は、前記表枠３６と裏枠３７にて挟持され、表枠３６の外径部３６ａは蓋カバー３４の外径Ｌ１にて被覆される。   An outer diameter L2 of the peripheral planar end face 35a on the outer periphery of the window plate 35 is sandwiched between the front frame 36 and the back frame 37, and an outer diameter portion 36a of the front frame 36 is covered with an outer diameter L1 of the lid cover 34. Is done.

洗濯物の出入口は、窓板３５の傾斜面３５ｂと洗濯機筐体側に装着したゴム等の弾性体で構成された窓パッキン３８との当接部の直径Ｌ４が有効出入口となる。窓板３５の外形形状および窓パッキン３８を大型化する事により、前記有効出入口の径Ｌ４は大きく設定が可能となる。   The diameter L4 of the contact portion between the inclined surface 35b of the window plate 35 and the window packing 38 made of an elastic body such as rubber attached to the washing machine casing is an effective entrance / exit of the laundry. By increasing the outer shape of the window plate 35 and the window packing 38, the effective entrance diameter L4 can be set large.

ここで、表枠３６には、その外周部３６ａと内周部３６ｄとの内方裏面（窓板３５側）に形成したリング状にリング状リブ３６ｃ、および外方円形リブ３６ｇ、および放射状に形成した放射状リブ３６ｆ等を形成し、表枠３６の剛性を高めつつ、窓板３５の外周部３５ａを裏枠３７とで挟持する。   Here, the front frame 36 has a ring-shaped ring-shaped rib 36c, an outer circular rib 36g, and a radial pattern formed on the inner back surface (window plate 35 side) of the outer peripheral portion 36a and the inner peripheral portion 36d. The formed radial ribs 36f and the like are formed, and the outer peripheral portion 35a of the window plate 35 is sandwiched between the back frame 37 while increasing the rigidity of the front frame 36.

さらに、ドーナツ形状の表枠３６の内周部３６ｄは、ドーナツ幅を広くするように径小に設定しその径Ｌ３は、窓板３５と窓パッキン３２との当接部の有効出入口Ｌ４に対して、Ｌ３＜Ｌ４となる様に設定し、幅寸法を広くしている。   Furthermore, the inner peripheral portion 36d of the donut-shaped front frame 36 is set to have a small diameter so as to widen the donut width, and the diameter L3 is larger than the effective entrance L4 of the contact portion between the window plate 35 and the window packing 32. Thus, L3 <L4 is set and the width dimension is increased.

図３の蓋部分の分解矢視図において、表枠３６は、リング状リブ３６ｃを挟んで、内周部に前述の放射状リブ３６ｆを設けるとともに、リング状リブ３６ｃの外周部にも外方の円形リブ３６ｇとの間にも外縦リブ３６ｅを放射状に、それぞれ複数条形成する。   In the exploded arrow view of the lid portion of FIG. 3, the front frame 36 is provided with the aforementioned radial ribs 36f on the inner peripheral portion with the ring-shaped ribs 36c interposed therebetween, and also on the outer peripheral portion of the ring-shaped ribs 36c. A plurality of outer longitudinal ribs 36e are radially formed between the circular ribs 36g.

図４の蓋部分の一部切載部分断面図において、重量のある窓板３５の外周の平面状端面３５ａは、表枠３６のリング状リブ３６ｃおよび外方円形リブ３６ｇ、放射状に形成した放射状リブ３６ｆおよび外縦リブ３６ｅに当接し背面側の裏枠３７とで挟持される。   In the partially cut-away partial cross-sectional view of the lid portion of FIG. 4, the planar end surface 35 a on the outer periphery of the heavy window plate 35 includes a ring-shaped rib 36 c and an outer circular rib 36 g of the front frame 36, a radially formed radial shape. The rib 36f and the outer vertical rib 36e are in contact with and sandwiched between the back frame 37 on the back side.

また、表枠３６の製品の可視側である表枠表面３９には、裏面のリング状のリング状リブ３６ｃ、３６ｇまたは放射状リブ３６ｆや外縦リブ３６の対応位置に多数の凹状窪み４０を形成する。前記凹状窪み４０は、微小円形凹部であっても、微小な溝形状でも良く、透明の蓋カバー３４側からはデザイン的な模様として見えるようになっている。   In addition, on the front surface 39 of the front frame 36 on the visible side of the product, a large number of concave depressions 40 are formed at the corresponding positions of the ring-shaped ring-shaped ribs 36c and 36g or the radial ribs 36f and the outer vertical ribs 36 on the rear surface. To do. The concave depression 40 may be a minute circular depression or a minute groove shape, and can be seen as a design pattern from the transparent lid cover 34 side.

以上のように構成した洗濯機について、その動作、作用を説明する。   About the washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated.

扉体３１の外径は、洗濯機筐体３０の前方の前面傾斜面３０ａの上下方向寸法Ｌ５に近似するまで一杯に形成して大型化し、窓板３５の外形形状および窓パッキン３８も大型化し、窓板３５の傾斜面３５ｂと窓パッキン３８との当接部の直径Ｌ４を大きく構成したので、有効出入口が大型化でき、洗濯物の出し入れ作業性が著しく向上することができる。   The outer diameter of the door body 31 is increased to a large size until it approximates the vertical dimension L5 of the front inclined surface 30a in front of the washing machine casing 30, and the outer shape of the window plate 35 and the window packing 38 are also increased in size. Since the diameter L4 of the abutting portion between the inclined surface 35b of the window plate 35 and the window packing 38 is made large, the effective entrance can be enlarged, and the laundry workability can be remarkably improved.

また、ドーナツ形状の表枠３６の内径Ｌ３を有効出入口Ｌ４に対し、Ｌ３＜Ｌ４となる様に設定して、ドーナツ幅寸法を従来構成より大きくして表枠３６の強度を高め、かつ裏面（窓板３５側）には、リング状にリング状リブ３６ｃ、および外方円形リブ３６ｇ更に放射状におよび放射状に形成した放射状リブ３６ｆと外縦リブ３６ｅを形成する事で剛性を高めて、大型化した扉体３１の強度を保つようにしている。   Further, the inner diameter L3 of the donut-shaped front frame 36 is set so that L3 <L4 with respect to the effective inlet / outlet L4, the donut width dimension is made larger than the conventional configuration, the strength of the front frame 36 is increased, and the back surface ( On the side of the window plate 35, the ring-shaped ring rib 36c, the outer circular rib 36g, and the radial rib 36f and the outer vertical rib 36e formed radially and radially are formed to increase rigidity and increase in size. The strength of the door body 31 is maintained.

表枠３６の内径Ｌ３を小さく設定すると、扉体３１が閉状態の際、蓋カバー３４および窓板３５を透視して内部が斜め上方より視認し難くなるが、内径Ｌ３を従来構成の（図６のＤ３に近似するように設定すれば、内方の視認範囲は変わらない。   If the inner diameter L3 of the front frame 36 is set to be small, the inside of the door body 31 is difficult to be seen through obliquely upward through the lid cover 34 and the window plate 35 when the door body 31 is in the closed state. If it is set to approximate D3 of 6, the inward viewing range does not change.

表枠３６の表枠表面３９は、透明な材質で構成された蓋カバー３４を介して洗濯機前方より視認する事が出来る。一方、表枠表面３９には裏面に形成した放射状リブ３６ｆと外縦リブ３６ｅの位置に相当する箇所に成型加工における「ヒケ」が発生し、その発生程度によっては表枠３６より視認され製品の価値を損なう場合があるが、本案では、表枠表面３９に形成した凹状窪み４０がデザイン的な模様として視認されるので、製品価値を損なうことは無い。   The front frame surface 39 of the front frame 36 can be visually recognized from the front of the washing machine through the lid cover 34 made of a transparent material. On the other hand, on the front surface 39 of the front frame, “sink marks” in the molding process occur at locations corresponding to the positions of the radial ribs 36f and the outer vertical ribs 36e formed on the back surface. Although the value may be impaired, in the present plan, the concave depression 40 formed on the surface of the front frame 39 is visually recognized as a design pattern, so that the product value is not impaired.

以上のように、本実施の形態においては、洗濯機筐体の前面傾斜面上下寸法一杯に扉体を構成し、ガラス等で構成した皿形状の窓板を径大に形成し、前記窓板を挟持する略ドーナツ状の樹脂成型材の表枠と裏枠も径大に形成したので、ドラム式洗濯機の筐体正面側に配置した扉体を大型化でき有効出入口が大型化できたので、有効洗濯物の出し入れ作業の操作性を著しく向上する事が出来る。   As described above, in the present embodiment, the door body is configured to fill up and down the front inclined surface of the washing machine casing, and the dish-shaped window plate made of glass or the like is formed to have a large diameter. Since the front and back frames of a substantially doughnut-shaped resin molding material that sandwiches the door are also formed in large diameters, the door placed on the front side of the drum-type washing machine casing can be enlarged, and the effective doorway can be enlarged. The operability of taking in and out the effective laundry can be remarkably improved.

大型化した扉体の強度は、表枠の内径は内方の視認範囲を狭めない程度に内径を設定して幅寸法を確保し、かつ裏面（窓板側）には強度確保のためのリング状に複数条の円形リブおよび放射状に縦リブを形成する事で剛性を高める事ができた。さらに、前記リブの位置に相当する表面（蓋カバー側）には多数の凹状窪みを形成してデザイン的な表現とし裏面のリブにより生じる「ヒケ」の視認を解消する事により、製品価値を損なうことのないようにできる。   The strength of the large door body is set so that the inner diameter of the front frame does not narrow the inner visible range, ensuring a width dimension, and a ring for securing strength on the back surface (window plate side) It was possible to increase the rigidity by forming a plurality of circular ribs and radial ribs. Furthermore, the product value is impaired by forming a number of concave depressions on the front surface (lid cover side) corresponding to the position of the ribs to eliminate the appearance of “sink marks” caused by the ribs on the back surface as a design expression. It can be done without any problems.

本発明にかかるドラム式洗濯機は、扉体の剛性を高め、扉体を大型化でき有効出入口が大型化できたので、有効洗濯物の出し入れ作業の操作性を著しく向上する事が出来、扉体の剛性と大きな出入口を必要とする機器に有用である。   The drum type washing machine according to the present invention can increase the rigidity of the door body, increase the size of the door body, and increase the size of the effective doorway. Useful for equipment that requires body rigidity and large doorways.

３０ 洗濯機筐体
３０ａ 前面傾斜面
３１ 扉体
３２ 窓パッキン
３４ 蓋カバー
３５ 窓板
３５ａ 周縁平面状端面
３６ 表枠
３７ 裏枠
３６ｃ リング状リブ
３６ｆ 放射状リブ
４０ 凹状窪み
４１ 回転ドラム DESCRIPTION OF SYMBOLS 30 Washing machine housing | casing 30a Front inclined surface 31 Door body 32 Window packing 34 Cover cover 35 Window board 35a Peripheral plane end surface 36 Front frame 37 Back frame 36c Ring-shaped rib 36f Radial rib 40 Concave depression 41 Rotating drum

Claims (2)

洗濯機筐体正面より背面側に回転軸が下向きとなるように配置した有底円筒形に形成された回転ドラムと、前記洗濯機筐体正面に前記回転軸に略垂直に構成した前面傾斜面と、洗濯機筐体側に装着した窓パッキンと、前記前面傾斜面に設けられ略円形で開閉自在に構成した扉体とを備え、前記扉体は、ガラス等で形成した窓板と、前記窓板の周縁を狭持する略ドーナツ形状の表枠および裏枠と、前記扉体の前方を被覆する透明樹脂材等で構成した蓋カバーとを有し、前記表枠は、その内径部を前記窓板と前記窓パッキンとの当接部の有効出入口径より径小に設定し、かつ表枠の窓板側裏面にはリング状リブおよび複数の放射状リブを一体形成して設け、
前記窓板の中心は、前記回転ドラムの中心より上方に設け、さらに前記表枠の内径の中心は前記窓板の中心より下方に設けたドラム式洗濯機。 A rotating drum formed in a bottomed cylindrical shape arranged so that the rotating shaft faces downward from the front side of the washing machine casing, and a front inclined surface configured substantially perpendicular to the rotating shaft on the front side of the washing machine casing A window packing mounted on the washing machine casing side, and a door body that is provided on the inclined surface of the front surface and is configured to be openable and closable, wherein the door body is made of glass or the like, A substantially donut-shaped front and back frames that sandwich the periphery of the plate, and a lid cover made of a transparent resin material or the like that covers the front of the door body, and the inner surface of the front frame is The diameter is set smaller than the effective entrance / exit diameter of the contact portion between the window plate and the window packing, and a ring-shaped rib and a plurality of radial ribs are integrally formed on the window plate side rear surface of the front frame ,
A drum-type washing machine in which the center of the window plate is provided above the center of the rotating drum, and the center of the inner diameter of the front frame is provided below the center of the window plate . 表枠の蓋カバー側表面には、リング状リブまたは放射状リブに対応する位置に複数の凹状窪みを形成した請求項１記載のドラム式洗濯機。 The drum-type washing machine according to claim 1, wherein a plurality of concave depressions are formed at positions corresponding to the ring-shaped ribs or the radial ribs on the surface of the front frame on the lid cover side.
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