JP2015205109A - Drum type washing machine - Google Patents
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- JP2015205109A JP2015205109A JP2014088694A JP2014088694A JP2015205109A JP 2015205109 A JP2015205109 A JP 2015205109A JP 2014088694 A JP2014088694 A JP 2014088694A JP 2014088694 A JP2014088694 A JP 2014088694A JP 2015205109 A JP2015205109 A JP 2015205109A
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- 238000005406 washing Methods 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 99
- 230000001681 protective effect Effects 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 239000003599 detergent Substances 0.000 description 39
- 238000004140 cleaning Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 14
- 239000003795 chemical substances by application Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 9
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 5
- 239000007844 bleaching agent Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000008237 rinsing water Substances 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000002421 finishing Substances 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
Description
本発明は、ドラム式洗濯機に関する。 The present invention relates to a drum type washing machine.
ドラム式洗濯機は、洗濯物を収容し得るドラムと、このドラムが内部に配置された外槽とを備えており、ドラムは回転軸を中心に回転可能となっている。
そして、回転軸を水平としたドラム式洗濯機として、下記特許文献１などが知られている。
The drum-type washing machine includes a drum that can store laundry, and an outer tub in which the drum is disposed, and the drum is rotatable about a rotation shaft.
And the following patent document 1 etc. are known as a drum type washing machine which made the rotating shaft horizontal.
しかしながら、上記特許文献１に記載のドラム式洗濯機においては、外槽の下部底面に形成された排水口から、洗いやすすぎで使った水を排水ポンプ等により排出しても、外槽の下部底面に一部が残水しやすい。ここで、洗いやすすぎの水には、洗剤カスなどの異物が含まれているので、結果として、外槽の下部底面に異物が堆積する可能性がある。 However, in the drum type washing machine described in the above-mentioned Patent Document 1, even if the water used for rinsing is drained by a drain pump or the like from the drain port formed on the bottom surface of the outer tub, the lower part of the outer tub Part of the water is likely to remain on the bottom. Here, since water that is easy to wash contains foreign matters such as detergent residue, foreign matters may accumulate on the bottom surface of the lower part of the outer tub as a result.
本発明は、このような事情に鑑みてなされたものであり、回転軸が水平であっても、外槽の下部底面に異物が堆積するのを抑制できるドラム式洗濯機を提供することを目的とする。 The present invention has been made in view of such circumstances, and an object of the present invention is to provide a drum-type washing machine capable of suppressing foreign matter from accumulating on the lower bottom surface of the outer tub even when the rotation axis is horizontal. And
上記目的を達成するために、本発明では、洗濯物を収容するドラムと、前記ドラムが内部に配置された外槽と、前記外槽の下部底面に形成された排水口と、前記ドラムと結合した回転軸を回転駆動するモータと、を有し、前記回転軸を水平としたドラム式洗濯機において、前記外槽の下部底面に、前記排水口に向かって下る傾斜を設けた。 In order to achieve the above object, in the present invention, a drum for storing laundry, an outer tub in which the drum is disposed, a drain outlet formed in a lower bottom surface of the outer tub, and the drum are combined. A drum-type washing machine having a rotating shaft that is horizontal, and the lower bottom surface of the outer tub is provided with a slope that is lowered toward the drain port.
本発明によれば、回転軸が水平であっても、外槽の下部底面に異物が堆積するのを抑制できるドラム式洗濯機を提供できる。 ADVANTAGE OF THE INVENTION According to this invention, even if a rotating shaft is horizontal, the drum type washing machine which can suppress that a foreign material accumulates on the lower bottom face of an outer tank can be provided.
以下、本発明の実施形態について添付図面を参照して説明する。 Embodiments of the present invention will be described below with reference to the accompanying drawings.
図１は、本発明の一実施形態に係るドラム式洗濯機の外観を示す図であり、（ａ）は平面図、（ｂ）は正面図である。図２は、図１に示されるドラム式洗濯機の内部の構造を示す側面図である。図３は、図１に示されるドラム式洗濯機の内部の構造を示す斜視図である。図４は、図１（ｂ）のIV−IV線に沿う縦断面図である。なお、説明を明確にするため、図１に示すように前後左右上下の方向を設定する。 Drawing 1 is a figure showing the appearance of the drum type washing machine concerning one embodiment of the present invention, (a) is a top view and (b) is a front view. FIG. 2 is a side view showing an internal structure of the drum type washing machine shown in FIG. FIG. 3 is a perspective view showing an internal structure of the drum type washing machine shown in FIG. FIG. 4 is a longitudinal sectional view taken along line IV-IV in FIG. In order to clarify the explanation, the front, rear, left, right and up directions are set as shown in FIG.
図１に示すように、ドラム式洗濯機Ｓは、外郭が鋼板と樹脂成型品とを組み合わせて構成された筐体１を有している。筐体１は、ベース１ｆを備えており、左右の側板１ａ，１ｂ、前面カバー１ｃ、背面カバー（ウラ板）１ｄ（図４参照）、及び上面カバー１ｅがベース１ｆの上方に取り付けられて、箱状の筐体１が形成されている。 As shown in FIG. 1, the drum type washing machine S has a housing 1 whose outer shell is configured by combining a steel plate and a resin molded product. The housing 1 includes a base 1f, and left and right side plates 1a and 1b, a front cover 1c, a back cover (back plate) 1d (see FIG. 4), and a top cover 1e are attached above the base 1f. A box-shaped housing 1 is formed.
前面カバー１ｃの略中央には、衣類等の洗濯物をドラム３（図２参照）内に出し入れする投入口１ｇ（図４参照）が形成されており、投入口１ｇを介して洗濯物を出し入れする際に開閉されるドア７が、ヒンジ機構（図示せず）により開閉可能に取り付けられている。ドア７の右側には、ドア７のロック機構（図示せず）を解除するための取っ手７ａが設けられている。取っ手７ａを手前に引くことで、ロック機構が外れてドア７が開き、ドア７を前面カバー１ｃに押し付けることでロックされて閉じるようになっている。 At the approximate center of the front cover 1c, there is formed a loading slot 1g (see FIG. 4) for loading and unloading laundry such as clothes into and out of the drum 3 (see FIG. 2). The door 7 that is opened and closed when attached is attached so as to be opened and closed by a hinge mechanism (not shown). A handle 7 a for releasing a lock mechanism (not shown) of the door 7 is provided on the right side of the door 7. By pulling the handle 7a forward, the lock mechanism is released and the door 7 is opened. When the door 7 is pressed against the front cover 1c, it is locked and closed.
筐体１の上部には、電源スイッチ、操作スイッチ、コース設定ダイヤル、表示器等を備えた操作パネル６が設けられている。操作パネル６の左側には、洗剤、仕上剤等を投入するための引出し式の洗剤ボックス（洗剤投入部）１２が配置されている。 An operation panel 6 including a power switch, an operation switch, a course setting dial, a display device, and the like is provided on the upper portion of the housing 1. On the left side of the operation panel 6, a drawer-type detergent box (detergent throwing section) 12 for placing a detergent, a finishing agent and the like is disposed.
図２に示すように、ドラム式洗濯機Ｓは、筐体１内に、洗濯物を収容し得る内槽としてのドラム３を備える。ドラム３は、当該ドラム３に結合された回転軸６５（図４も参照）を中心に回転可能である。ドラム３の前側端面には、洗濯物を出し入れするための開口部３ａ（図４も参照）が形成されており、この開口部３ａの半径方向外側には、ドラム３と一体の流体バランサ３ｂ（図４も参照）が設けられている。 As shown in FIG. 2, the drum-type washing machine S includes a drum 3 as an inner tub that can store laundry in a housing 1. The drum 3 is rotatable around a rotating shaft 65 (see also FIG. 4) coupled to the drum 3. An opening 3a (see also FIG. 4) for taking in and out the laundry is formed on the front end face of the drum 3, and a fluid balancer 3b (integrated with the drum 3) is formed outside the opening 3a in the radial direction. 4 is also provided).
ドラム３に結合された回転軸６５は、水平に設定されている。ここで、本実施形態における「水平」とは、水平面に対してほぼ水平であることを意味しており、水平面に対して厳密に０度の場合に限らず、５度以下の多少の角度があるものも含むものとする。なお、図２では、ドラム式洗濯機Ｓの左の側板１ａ、背面カバー１ｄ（図４参照）、及び上面カバー１ｅが外された状態が示されている（図３も同様）。 The rotating shaft 65 coupled to the drum 3 is set horizontally. Here, “horizontal” in the present embodiment means being substantially horizontal with respect to the horizontal plane, and is not limited to strictly 0 degrees with respect to the horizontal plane, but a slight angle of 5 degrees or less. Some are also included. 2 shows a state in which the left side plate 1a, the back cover 1d (see FIG. 4), and the top cover 1e of the drum type washing machine S are removed (the same applies to FIG. 3).
また、図２及び図３に示すように、ドラム式洗濯機Ｓは、ドラム３が内部に配置され水を溜める有底円筒形状の外槽（槽）２を、ドラム３と同軸上に備えており、外槽２は、筐体１に支持されている。外槽２の背面側中央には、回転軸６５を回転駆動するためのモータ４が取り付けられており、回転軸６５は、外槽２を貫通し、ドラム３と結合している。 As shown in FIGS. 2 and 3, the drum-type washing machine S includes a bottomed cylindrical outer tub (tank) 2 on the same axis as the drum 3. The outer tub 2 is supported by the housing 1. A motor 4 for rotating the rotary shaft 65 is attached to the center of the outer side of the outer tub 2, and the rotary shaft 65 passes through the outer tub 2 and is coupled to the drum 3.
外槽２は、下側をベース１ｆに固定されたダンパ５で防振支持されている。外槽２の底壁２ｂ（図５参照）の上部左側には、外槽２内に向かう水、洗剤、仕上剤等を含む液体が流入する入口８３ａを有する水封トラップ部８１が設けられている。 The outer tub 2 is supported in an anti-vibration manner by a damper 5 whose lower side is fixed to the base 1f. On the upper left side of the bottom wall 2b (see FIG. 5) of the outer tub 2, there is provided a water-sealed trap portion 81 having an inlet 83a into which a liquid containing water, detergent, finishing agent, etc. flowing into the outer tub 2 flows. Yes.
筐体１内の上部左側には、外槽２内に水、洗剤、仕上剤等を含む液体を供給する液体供給ユニット１０が設けられている。液体供給ユニット１０の流出口１４と水封トラップ部８１の入口８３ａとは、供給管２０で接続されている。供給管２０は、例えば、ゴム製の蛇腹管であり、可撓性を有している。また、水封トラップ部８１の下流側は、外槽２の底壁２ｂに形成された給水口２ａに接続されている。ここで、水封トラップ部８１の本体部８３は、供給管２０に接続される入口８３ａと、外槽２の底壁２ｂに形成された給水口２ａに接続される出口８３ｂとを有している。
外槽２の最下部には、排水口６７（図７参照）が設けられている。排水口６７は、排水管６８（図７参照）を介して排水ポンプ（図示せず）に接続されており、外槽２内の洗濯水は、排水口６７から排水管６８を経て機外へ排出されるように構成されている。図７に示すように、外槽２の下部に設けられた排水口６７に繋がる流路に、外部から外槽２の排水口６７への水の逆流を防止するための逆流防止部８５が設けられている。すなわち、逆流防止部８５は、排水ポンプの上流側に接続された排水管６８と、外槽２の排水口６７との間の流路に配置されている。
On the upper left side in the housing 1, a liquid supply unit 10 for supplying a liquid containing water, a detergent, a finishing agent and the like into the outer tub 2 is provided. The outlet 14 of the liquid supply unit 10 and the inlet 83 a of the water seal trap portion 81 are connected by a supply pipe 20. The supply pipe 20 is, for example, a rubber bellows pipe and has flexibility. Further, the downstream side of the water seal trap portion 81 is connected to a water supply port 2 a formed on the bottom wall 2 b of the outer tub 2. Here, the main body portion 83 of the water seal trap portion 81 has an inlet 83a connected to the supply pipe 20 and an outlet 83b connected to the water supply port 2a formed in the bottom wall 2b of the outer tub 2. Yes.
A drain port 67 (see FIG. 7) is provided at the lowermost part of the outer tub 2. The drain port 67 is connected to a drain pump (not shown) via a drain pipe 68 (see FIG. 7), and the washing water in the outer tub 2 is discharged from the drain port 67 through the drain pipe 68 to the outside of the machine. It is configured to be discharged. As shown in FIG. 7, a backflow prevention unit 85 for preventing the backflow of water from the outside to the drainage port 67 of the outer tub 2 is provided in the flow path connected to the drainage port 67 provided at the lower part of the outer tub 2. It has been. That is, the backflow prevention unit 85 is disposed in a flow path between the drain pipe 68 connected to the upstream side of the drain pump and the drain port 67 of the outer tub 2.
また、筐体１の背面の上部左側には、水道栓からの給水ホース接続口８が設けられている。給水ホース接続口８は給水弁装置９に連結されており、給水弁装置９は、第１電磁弁９ａ及び第２電磁弁９ｂを含んでいる。第１電磁弁９ａ及び第２電磁弁９ｂは、それぞれホース２１，２２を介して液体供給ユニット１０に接続されている。 Further, a water supply hose connection port 8 from a water tap is provided on the upper left side of the back surface of the housing 1. The water supply hose connection port 8 is connected to a water supply valve device 9, and the water supply valve device 9 includes a first electromagnetic valve 9a and a second electromagnetic valve 9b. The first electromagnetic valve 9a and the second electromagnetic valve 9b are connected to the liquid supply unit 10 via hoses 21 and 22, respectively.
図４に示すように、外槽２の前側端部には、外槽カバー６６が取り付けられている。外槽カバー６６の前側端面には開口部６６ａが設けられており、ドア７を閉じることで外槽２が水封されるようになっている。ベース１ｆは、外槽２を支持するダンパ５の下部に設けられた接続部５ａが固定される固定部材１ｈを備えている。 As shown in FIG. 4, an outer tank cover 66 is attached to the front end of the outer tank 2. An opening 66 a is provided on the front end surface of the outer tub cover 66, and the outer tub 2 is sealed with water by closing the door 7. The base 1 f includes a fixing member 1 h to which a connecting portion 5 a provided at the lower portion of the damper 5 that supports the outer tub 2 is fixed.
次に、外槽の下部に設けられたヒータ８６（図６参照）周辺の構造について説明する。 Next, the structure around the heater 86 (see FIG. 6) provided in the lower part of the outer tub will be described.
図８に示すように、本実施形態における外槽２は、その下部底面が、背面側に向かって下る傾斜を有している。また、外槽２の下部底面には、保護カバー８７が固定されており、この保護カバー８７の底面も、背面側に向かって下る傾斜を有している。そして、この保護カバー８７の上に、溜まった水を温水にするために加熱するヒータ８６が水平に収容される。なお、保護カバー８７は、ヒータ８６の熱が外槽２に影響を及ぼすのを防止する役割を果たしている。 As shown in FIG. 8, the outer tub 2 in the present embodiment has a slope whose lower bottom surface is lowered toward the back side. A protective cover 87 is fixed to the lower bottom surface of the outer tub 2, and the bottom surface of the protective cover 87 is also inclined downward toward the back side. On the protective cover 87, a heater 86 that heats the accumulated water to warm water is accommodated horizontally. The protective cover 87 serves to prevent the heat of the heater 86 from affecting the outer tub 2.
また、外槽２の下部底面の背面側には排水口６７が形成されており、保護カバー８７の対応箇所にも穴が形成されている。このため、回転軸を水平としたドラム式洗濯機であっても、外槽２の下部底面および保護カバー８７の下部底面の水が、下る傾斜によって排水口６７へ向かって流れやすくなる。その結果、洗濯水やすすぎ水とともに洗剤カスなどの異物がヒータ８６の下に残り難くなり、カビの発生を抑制したり、除菌したりする効果が期待できる。なお、保護カバー８７の下部底面だけでなく、外槽２の下部底面も傾斜させ、両者の隙間をなくすことにより、両者の間に糸くずなどが溜まるのも防止できる。また、排水口６７を開口部側（前側）の下部底面に形成した場合は、この排水口６７へ向かって開口部側へ下る傾斜を外槽２や保護カバー８７に形成する。 Further, a drain port 67 is formed on the back side of the lower bottom surface of the outer tub 2, and a hole is also formed in a corresponding portion of the protective cover 87. For this reason, even in a drum-type washing machine having a horizontal rotation axis, water on the lower bottom surface of the outer tub 2 and the lower bottom surface of the protective cover 87 can easily flow toward the drain outlet 67 due to the downward inclination. As a result, it is difficult for foreign matter such as detergent residue to remain under the heater 86 together with the washing water and the rinsing water, and an effect of suppressing the generation of mold or sterilizing can be expected. Note that not only the lower bottom surface of the protective cover 87 but also the lower bottom surface of the outer tub 2 is inclined to eliminate the gap between the two, thereby preventing lint and the like from accumulating between them. In addition, when the drainage port 67 is formed on the bottom bottom surface on the opening side (front side), the outer tub 2 and the protective cover 87 are formed with an inclination toward the opening side toward the drainage port 67.
次に、このように構成されたドラム式洗濯機Ｓの作用について説明する。 Next, the operation of the drum type washing machine S configured as described above will be described.
洗濯時に、使用者は、まず洗剤ボックス１２の扉部の操作部を持って手前側に引くと、洗剤ボックス１２のトレイが、洗剤ケースの前面開口部から引き出される（図１参照）。 At the time of washing, when the user first holds the operation part of the door of the detergent box 12 and pulls it forward, the tray of the detergent box 12 is pulled out from the front opening of the detergent case (see FIG. 1).
続いて、使用者は、洗剤を本洗い用の洗剤投入室に投入する。前洗いを行うコースを選択した場合には、同様にして使用者は、前洗い用の洗剤投入室にも洗剤を投入する。以下、前洗いが行われる場合について説明する。なお、必要に応じて漂白剤が洗剤に加えて投入される。更に、使用者は、仕上剤投入室に仕上剤を投入する。洗剤及び仕上剤の投入が終了すると、使用者は、洗剤ボックス１２の扉部を奥側に押し込んで、トレイを洗剤ケース内に収納する。 Subsequently, the user puts the detergent into the detergent loading chamber for main washing. When the course for pre-washing is selected, the user similarly puts the detergent into the detergent washing room for pre-washing. Hereinafter, the case where pre-washing is performed will be described. If necessary, a bleaching agent is added to the detergent. Further, the user puts the finishing agent into the finishing agent charging chamber. When the introduction of the detergent and the finishing agent is completed, the user pushes the door portion of the detergent box 12 inward to store the tray in the detergent case.
洗い工程が開始されると、まず前洗いが行われる。すなわち、給水弁装置９の第２電磁弁９ｂがオン（開）され（図３参照）、給水ホース接続口８からの水は、洗剤ボックス１２の前洗い用の洗剤投入室に流下して万遍なく散水され、そこにある洗剤を洗剤ケースに流し込む。そして、洗剤と共に水が洗剤ケースの流出口１４を経て、供給管２０を通り、水封トラップ部８１（図５参照）を介して、外槽２の給水口２ａから外槽２内に供給される（図５参照）。 When the washing process is started, first, pre-washing is performed. That is, the second electromagnetic valve 9b of the water supply valve device 9 is turned on (opened) (see FIG. 3), and the water from the water supply hose connection port 8 flows down to the detergent charging chamber for the pre-washing of the detergent box 12. Water is evenly sprinkled and the detergent is poured into the detergent case. Then, water together with the detergent passes through the outlet 14 of the detergent case, passes through the supply pipe 20, and is supplied into the outer tub 2 from the water supply port 2a of the outer tub 2 through the water seal trap portion 81 (see FIG. 5). (See FIG. 5).
水封トラップ部８１の出口８３ｂから流出する水、洗剤、漂白剤等を含む液体は、外槽２の底壁２ｂに形成された給水口２ａから外槽２の下方部分に直接導かれるため、当該液体がドラム３内に流入することはない。これにより、洗剤や漂白剤の高濃度の液体（原液）が直接洗濯物に触れることによる色落ちや色むらの発生が防止される。 Since the liquid containing water, detergent, bleaching agent and the like flowing out from the outlet 83b of the water-sealed trap part 81 is directly guided from the water supply port 2a formed in the bottom wall 2b of the outer tank 2 to the lower part of the outer tank 2, The liquid does not flow into the drum 3. As a result, the occurrence of color fading and color unevenness caused by direct contact of the laundry or the high concentration liquid (raw solution) of the bleach with the laundry is prevented.
外槽２内に規定の水位まで給水されて洗濯水が溜まると、ドラム式洗濯機Ｓは、モータ４によりドラム３を回転させて、洗濯物の前洗いを開始する。 When water is supplied to the specified water level in the outer tub 2 and the washing water is accumulated, the drum type washing machine S rotates the drum 3 by the motor 4 and starts pre-washing the laundry.
温水を用いて洗濯する場合には、外槽２内に水蒸気が多量に発生するが、水封トラップ部８１の貯水室８２に貯留された水により、外槽２内の水蒸気が液体供給ユニット１０の流出口１４に入り込むことが抑制される。 When washing is performed using warm water, a large amount of water vapor is generated in the outer tub 2, but the water stored in the water storage chamber 82 of the water-sealed trap unit 81 causes the water vapor in the outer tub 2 to be converted into the liquid supply unit 10. Entry into the outlet 14 is suppressed.
前洗いが終了すると、ドラム式洗濯機Ｓは、排水ポンプを駆動させて、外槽２内の洗濯水を排水し、ドラム３を回転させて遠心脱水する。 When the pre-washing is completed, the drum type washing machine S drives the drain pump to drain the washing water in the outer tub 2 and rotates the drum 3 to perform centrifugal dehydration.
続いて、本洗いが行われる。すなわち、給水弁装置９の第１電磁弁９ａがオン（開）され（図３参照）、給水ホース接続口８からの水は、洗剤ボックス１２の本洗い用の洗剤投入室に流下して万遍なく散水され、そこにある洗剤を洗剤ケースに流し込む。そして、洗剤と共に水が洗剤ケースの流出口１４を経て、供給管２０を通り、水封トラップ部８１を介して、外槽２の給水口２ａから外槽２内に供給される。 Subsequently, main washing is performed. That is, the first electromagnetic valve 9a of the water supply valve device 9 is turned on (opened) (see FIG. 3), and water from the water supply hose connection port 8 flows down into the detergent washing chamber for main washing in the detergent box 12. Water is evenly sprinkled and the detergent is poured into the detergent case. Then, water together with the detergent passes through the outlet 14 of the detergent case, passes through the supply pipe 20, and is supplied into the outer tub 2 from the water supply port 2 a of the outer tub 2 through the water seal trap portion 81.
外槽２内に規定の水位まで給水されて洗濯水が溜まると、ドラム式洗濯機Ｓは、モータ４によりドラム３を回転させて、洗濯物の本洗いを開始する。本洗いが終了すると、ドラム式洗濯機Ｓは、排水ポンプを駆動して、外槽２内の洗濯水を排水し、ドラム３を回転させて遠心脱水する。本洗い及び本洗い後の脱水における作用は、前記した前洗い及び前洗い後の脱水における作用と概ね同様である。 When the water is supplied to the specified water level in the outer tub 2 and the washing water is accumulated, the drum-type washing machine S rotates the drum 3 by the motor 4 and starts the main washing of the laundry. When the main washing is completed, the drum type washing machine S drives the drain pump to drain the washing water in the outer tub 2 and rotates the drum 3 to perform centrifugal dehydration. The action in dehydration after main washing and after main washing is substantially the same as the action in dehydration after pre-washing and pre-washing described above.
続いて、すすぎ工程が行われる。まず、例えば給水弁装置９の第１電磁弁９ａがオン（開）されて（図３参照）、給水ホース接続口８からの水は、洗剤ボックス１２の本洗い用の洗剤投入室、洗剤ケースを経て、外槽２内に供給される。なお、このとき、本洗い用の洗剤投入室内の洗剤は、既に流されていて存在しない。 Subsequently, a rinsing step is performed. First, for example, the first electromagnetic valve 9a of the water supply valve device 9 is turned on (see FIG. 3), and the water from the water supply hose connection port 8 is supplied from the detergent box 12 in the detergent washing chamber, the detergent case. Then, it is supplied into the outer tub 2. At this time, the detergent in the detergent charging chamber for main washing has already been washed away and does not exist.
外槽２内に規定の水位まで給水されて洗濯水が溜まると、ドラム式洗濯機Ｓは、モータ４によりドラム３を回転させて、洗濯物のすすぎを開始する。すすぎは、通常２〜３回行われる。 When the water is supplied to the specified water level in the outer tub 2 and the washing water is accumulated, the drum type washing machine S rotates the drum 3 by the motor 4 and starts rinsing the laundry. Rinsing is usually performed 2-3 times.
そして、最終のすすぎにおいて、給水弁装置９の第１電磁弁９ａ及び第２電磁弁９ｂが同時にオン（開）され（図３参照）、給水ホース接続口８からの水は、洗剤ボックス１２の仕上剤投入室に流下して万遍なく散水され、そこにある仕上剤を洗剤ケースに流し込むそして、仕上剤と共に水が洗剤ケースの流出口１４を経て、供給管２０を通り、水封トラップ部８１を介して、外槽２の給水口２ａから外槽２内に供給される。 In the final rinse, the first electromagnetic valve 9a and the second electromagnetic valve 9b of the water supply valve device 9 are simultaneously turned on (see FIG. 3), and the water from the water supply hose connection port 8 is supplied to the detergent box 12 The finish agent flows down into the finish agent input chamber and is uniformly sprinkled, and the finish agent in the finish agent is poured into the detergent case, and the water together with the finish agent passes through the supply pipe 20 through the outlet 14 of the detergent case, The water is supplied into the outer tub 2 from the water supply port 2 a of the outer tub 2 through 81.
すすぎ工程が終了すると、ドラム式洗濯機Ｓは、最後のすすぎで使った水が外槽２内に全て残った状態で、本洗いや前洗いの時よりも高い回転速度で、かつ脱水の時よりも低い回転速度で、ドラム３を回転させることにより水をかき上げる、槽洗浄工程１に移行する。この槽洗浄工程１では、ドラム３を８０ｒｐｍ以上（例えば１００ｒｐｍ）の回転速度で右回転させ、所定時間経過すると、ドラム３を右回転と同じか高い回転速度で左回転させる。このとき、外槽２内に溜まっている水がドラム３の回転に伴ってかき上げられ、外槽２の内面や外槽カバー６６の内面に付着している石鹸カスなどの異物が、水流によって洗い流される。そして、ドラム３を左回転させて所定時間が経過すると、ドラム３が回転している状態のまま、排水ポンプを駆動して、外槽２内のすすぎ水の排水を行う。 When the rinsing process is completed, the drum-type washing machine S is in a state where all the water used in the last rinsing remains in the outer tub 2 at a higher rotational speed than during main washing and pre-washing, and at the time of dehydration. It moves to the tank washing | cleaning process 1 which scoops up water by rotating the drum 3 at a lower rotational speed. In this tank cleaning process 1, the drum 3 is rotated to the right at a rotation speed of 80 rpm or more (for example, 100 rpm), and when a predetermined time has elapsed, the drum 3 is rotated to the left at a rotation speed equal to or higher than the right rotation. At this time, the water accumulated in the outer tub 2 is pumped up along with the rotation of the drum 3, and foreign matters such as soap scum adhering to the inner surface of the outer tub 2 and the inner surface of the outer tub cover 66 are caused by the water flow. Washed away. Then, when the drum 3 is rotated counterclockwise and a predetermined time has elapsed, the drain pump is driven while the drum 3 is rotating, and the rinsing water in the outer tub 2 is drained.
なお、槽先行行程１では、すすぎ水を全部使わずに、所定水位になるまで排水してから、槽洗浄を行っても良い。衣類が多くすすぎの水位が高い場合に、そのままドラム３を上記回転速度で駆動させると、モータ４の負荷が高くなるためである。この所定水位としては、少なくとも流体バランサ３ｂの一部が浸かる程度（４リットル程度）あるのが望ましく、このような水位のすすぎ水が外槽２内にあれば、外槽２の上部や外槽カバー６６の上部にも、すすぎ水を届かせることが可能となる。 In the tank preceding step 1, the tank cleaning may be performed after draining to a predetermined water level without using all the rinse water. This is because the load on the motor 4 increases when the drum 3 is driven at the above rotational speed as it is when the amount of clothes and the water level for rinsing are high. The predetermined water level is preferably such that at least a part of the fluid balancer 3b is immersed (about 4 liters). If there is rinse water at such a level in the outer tank 2, the upper part of the outer tank 2 or the outer tank It is possible to allow the rinse water to reach the upper portion of the cover 66 as well.
排水が完了すると、排水ポンプを停止して槽洗浄工程２へ移行し、ドラム３の回転速度を２５０ｒｐｍ以上にまで加速させる。そして、給水装置９の第１電磁弁９ａまたは第２給水弁９ｂにより、外槽２内への給水を開始し、４リットル以上の所定水位まで水が溜まると、給水を止めてドラム３の回転を継続する。このとき、外槽２内に溜まっている水がドラム３の回転に伴ってかき上げられ、外槽２の内面や外槽カバー６６の内面に付着している石鹸カスなどの異物が、水流によって洗い流される。また、槽洗浄工程２では槽洗浄工程１よりもドラム３を高速回転させるため、外槽カバー６６の上部の内面に対しても、特別なノズルを設けることなく、散水できる。特に、本実施形態におけるドラム３は、軸が水平となるような構造であるため、開口部側（前側）が高くなるように傾斜させたドラムの場合と比べて、外槽カバー６６の上部に散水し易い利点がある。さらに、槽洗浄工程２では水道水を用いて槽洗浄するため、すすぎ水を用いた槽洗浄工程１と比べて、より槽をきれいにできる。そして、給水完了後、所定時間経過すると、ドラム３を回転させた状態のまま、排水ポンプを駆動して排水を開始する。 When the drainage is completed, the drainage pump is stopped and the tank cleaning process 2 is started, and the rotation speed of the drum 3 is accelerated to 250 rpm or more. Then, water supply into the outer tub 2 is started by the first electromagnetic valve 9a or the second water supply valve 9b of the water supply device 9, and when the water has accumulated to a predetermined water level of 4 liters or more, the water supply is stopped and the drum 3 rotates. Continue. At this time, the water accumulated in the outer tub 2 is pumped up along with the rotation of the drum 3, and foreign matters such as soap scum adhering to the inner surface of the outer tub 2 and the inner surface of the outer tub cover 66 are caused by the water flow. Washed away. Further, since the drum 3 is rotated at a higher speed in the tank cleaning process 2 than in the tank cleaning process 1, water can be sprayed on the inner surface of the upper part of the outer tank cover 66 without providing a special nozzle. In particular, since the drum 3 in this embodiment has a structure in which the axis is horizontal, the drum 3 is formed above the outer tub cover 66 as compared with a drum inclined so that the opening side (front side) is higher. There is an advantage of easy watering. Furthermore, since the tank washing process 2 uses the tap water to wash the tank, the tank can be cleaned more than the tank washing process 1 using the rinse water. Then, when a predetermined time has elapsed after the completion of water supply, the drainage pump is driven to start drainage while the drum 3 is rotated.
排水が完了すると、槽洗浄工程３へ移行し、ドラム３の回転速度を２５０ｒｐｍ以上に維持したまま、給水装置９により外槽２内へ再び給水し、２リットル以上の所定水位まで水が溜まると、給水を止めてドラム３の回転を継続する。槽洗浄工程２で槽洗浄がある程度実現できているので、槽洗浄工程３で給水する水量は、槽洗浄工程２と比べて少ないが、この槽洗浄工程３によれば、外槽２の内周面や外槽カバー６６の下部内周面の異物がより確実に洗い流され、異物の固着が防止される。そして、給水完了後、所定時間経過すると、ドラム３を停止させた後、最終脱水工程へと移行し、ドラム３を１０００ｒｐｍ以上で回転させて遠心脱水し、洗濯を終了する。なお、ドラム３を停止させずに、槽洗浄工程３における２５０ｒｐｍ以上の回転速度から、そのまま加速して最終脱水工程へ至るように運転しても構わない。 When the drainage is completed, the process proceeds to the tank cleaning step 3, and the water is supplied again into the outer tank 2 by the water supply device 9 while maintaining the rotation speed of the drum 3 at 250 rpm or more, and water is accumulated to a predetermined water level of 2 liters or more. The water supply is stopped and the drum 3 continues to rotate. Since tank cleaning is realized to some extent in the tank cleaning process 2, the amount of water supplied in the tank cleaning process 3 is smaller than that in the tank cleaning process 2, but according to this tank cleaning process 3, the inner circumference of the outer tank 2 The foreign matter on the surface and the lower inner peripheral surface of the outer tub cover 66 is more reliably washed away, and the foreign matter is prevented from sticking. When a predetermined time elapses after the water supply is completed, the drum 3 is stopped, and then the process proceeds to the final dewatering step. The drum 3 is rotated at 1000 rpm or more to perform centrifugal dewatering, and the washing is finished. In addition, you may drive | operate so that it may accelerate | stimulate as it is from the rotational speed of 250 rpm or more in the tank washing | cleaning process 3 to the final dehydration process, without stopping the drum 3.
本実施形態では、槽洗浄工程１から槽洗浄工程３まで行ったが、槽洗浄工程３を省略することも考えられる。その場合でも、外槽２の下部底面および保護カバー８７の下部底面が排水口６７に向かって下る傾斜を有しており、効果的に排水できるので、最後の槽洗浄工程で使った異物等を含む水が外槽２の下部底面に残り難く、臭いなどの発生も抑制することが可能である。また、外槽２の下部底面に設置されるヒータ８６に異物が付着するのを抑制できるので、効率よく水を加熱でき、省エネルギー化にもつながる。ヒータ８６周辺をより清潔に洗浄する場合には、外槽２の下部にあるヒータ８６の収容部に対して、給水装置９から水道水を散水する構成を採用する方法もある。なお、上述した実施形態では、乾燥機能を備えていないドラム式洗濯機Ｓについて説明したが、これに限定されるものではなく、乾燥機能を備えたドラム式洗濯機にも適用可能である。 In this embodiment, the tank cleaning process 1 to the tank cleaning process 3 are performed, but the tank cleaning process 3 may be omitted. Even in such a case, the bottom bottom surface of the outer tub 2 and the bottom bottom surface of the protective cover 87 have a slope that goes down toward the drain port 67, so that the drainage can be effectively performed. The contained water is unlikely to remain on the bottom of the lower part of the outer tub 2, and the generation of odors can be suppressed. Moreover, since it can suppress that a foreign material adheres to the heater 86 installed in the lower bottom face of the outer tank 2, water can be heated efficiently and it leads also to energy saving. In order to clean the vicinity of the heater 86 more cleanly, there is a method of adopting a configuration in which tap water is sprinkled from the water supply device 9 with respect to the housing portion of the heater 86 at the lower part of the outer tub 2. In the above-described embodiment, the drum-type washing machine S that does not have a drying function has been described. However, the present invention is not limited to this, and can be applied to a drum-type washing machine that has a drying function.
１ 筐体
２ 外槽
３ ドラム
４ モータ
６５ 回転軸
６６ 外槽カバー
６７ 排水口
８６ ヒータ
８７ 保護カバー
Ｓ ドラム式洗濯機
DESCRIPTION OF SYMBOLS 1 Case 2 Outer tub 3 Drum 4 Motor 65 Rotating shaft 66 Outer tub cover 67 Drain port 86 Heater 87 Protective cover S Drum type washing machine
Claims (4)
前記ドラムが内部に配置された外槽と、
前記外槽の下部底面に形成された排水口と、前記ドラムと結合した回転軸を回転駆動するモータと、
を有し、
前記回転軸を水平としたドラム式洗濯機において、
前記外槽の下部底面が、前記排水口に向かって下る傾斜を有することを特徴とするドラム式ドラム式洗濯機。 A drum for storing laundry;
An outer tub in which the drum is disposed;
A drain port formed in the bottom surface of the lower part of the outer tub, and a motor for rotationally driving a rotating shaft coupled to the drum;
Have
In the drum type washing machine with the rotating shaft horizontal,
A drum-type drum-type washing machine characterized in that a lower bottom surface of the outer tub has an inclination that descends toward the drain port.
前記外槽の下部底面には、保護カバーが固定されており、
前記保護カバーの上には、温水にするためのヒータが収容されており、
前記保護カバーの下部底面は、前記排水口に向かって下る傾斜を有することを特徴とするドラム式洗濯機。 In claim 1,
A protective cover is fixed to the bottom bottom of the outer tub,
On the protective cover, a heater for warm water is accommodated,
The drum type washing machine, wherein a lower bottom surface of the protective cover has an inclination that descends toward the drain port.
前記外槽内の水を機外へ排出する排水ポンプを有し、
前記排水ポンプを停止させた状態で、前記ドラムを２５０ｒｐｍ以上の回転速度で回転させることで、前記外槽内の水をまき上げることを特徴とするドラム式洗濯機。 In claim 1,
A drainage pump for discharging the water in the outer tub to the outside of the machine;
A drum type washing machine characterized in that the water in the outer tub is sprinkled by rotating the drum at a rotational speed of 250 rpm or more with the drain pump stopped.
前記ドラムの開口部に流体バランサが設けられ、
前記流体バランサの少なくとも一部が浸かるまで前記外槽内に水が溜まった状態で、前記ドラムを回転させることを特徴とするドラム式洗濯機。 In claim 3,
A fluid balancer is provided at the opening of the drum;
A drum-type washing machine, wherein the drum is rotated in a state where water is accumulated in the outer tub until at least a part of the fluid balancer is immersed.
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| WO2017119686A1 (en) * | 2016-01-04 | 2017-07-13 | 엘지전자 주식회사 | Clothes treating apparatus |
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| CN114381894A (en) * | 2020-10-19 | 2022-04-22 | 青岛海尔滚筒洗衣机有限公司 | Washing machine |
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| JP5124544B2 (en) * | 2009-08-28 | 2013-01-23 | 日立アプライアンス株式会社 | Washing machine |
| JP2013223551A (en) * | 2012-04-20 | 2013-10-31 | Hitachi Appliances Inc | Washing machine |
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| WO2017119686A1 (en) * | 2016-01-04 | 2017-07-13 | 엘지전자 주식회사 | Clothes treating apparatus |
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| CN105040349A (en) | 2015-11-11 |
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