JP6182514B2 - Washing machine - Google Patents

Washing machine Download PDF

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JP6182514B2
JP6182514B2 JP2014155691A JP2014155691A JP6182514B2 JP 6182514 B2 JP6182514 B2 JP 6182514B2 JP 2014155691 A JP2014155691 A JP 2014155691A JP 2014155691 A JP2014155691 A JP 2014155691A JP 6182514 B2 JP6182514 B2 JP 6182514B2
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washing
water
filter
washing water
tub
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JP2016032505A (en
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麻味 佐藤
麻味 佐藤
義徳 宗野
義徳 宗野
憲次 飯澤
憲次 飯澤
裕之 小池
裕之 小池
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Hitachi Appliances Inc
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Hitachi Appliances Inc
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Description

本発明は、洗濯水に含まれる糸屑等のごみを捕集する糸屑フィルタとフィルターケース及びこれを取り付けた洗濯機に関する。   The present invention relates to a lint filter that collects litter such as lint contained in washing water, a filter case, and a washing machine equipped with the lint filter.

洗濯機の洗浄力は、洗濯物に洗濯機の機械的作用と洗剤による化学的作用の相互作用により生まれる。このため、機械的作用により衣類から糸屑が発生することは避けられない。この糸屑が洗濯物に付着すると、洗濯の仕上りが悪化するため、糸屑を捕集する糸屑フィルタを備えたものが一般的である。従来の洗濯機では、洗濯水の循環経路を設け、洗いやすすぎの時に洗濯槽内の洗濯水を循環させ、洗濯水中に出てきた糸屑を循環経路の途中に設けた糸屑フィルタで捕集するようになっている。糸屑フィルタの形式としては、ネットを袋状にしたものや、上面が開口し側面および底面を格子で形成した枠状のものなどがある。   The washing power of the washing machine is generated by the interaction between the mechanical action of the washing machine and the chemical action of the detergent on the laundry. For this reason, it is inevitable that lint is generated from clothing due to mechanical action. When this lint adheres to the laundry, the finish of the laundry is deteriorated, so that a lint filter that collects lint is generally provided. In a conventional washing machine, a washing water circulation path is provided, the washing water in the washing tub is circulated when it is too easy to wash, and the lint that has come out in the washing water is captured by a lint filter provided in the middle of the circulation path. It comes to gather. As a form of the lint filter, there are a net having a bag shape, a frame having a top surface opened and side and bottom surfaces formed by a lattice.

特開2013−244083号公報JP 2013-244083 A

上述した従来の洗濯機では、糸屑フィルタが循環水経路の吐き出し口に設置されている。洗濯槽内の洗濯水が洗濯槽下部に設置されている循環ポンプを経由しそこで大きな異物が取り除かれ、洗濯槽上部に設置されている洗濯槽カバー内にある糸屑フィルタを介してその他糸屑が取り除かれ槽内に循環水シャワーとして給水される。     In the conventional washing machine described above, the lint filter is installed at the outlet of the circulating water path. Washing water in the washing tub passes through a circulation pump installed in the lower part of the washing tub, and large foreign matters are removed there. Other thread waste is passed through a thread waste filter in the washing tub cover installed in the upper part of the washing tub. Is removed and water is supplied into the tank as a circulating water shower.

洗濯槽内の洗濯水を循環させながら糸屑を取り去る仕組みであるが、槽内に貯められる水量に対し循環する流量によって取り除ける量に限りがある。   This is a mechanism that removes lint while circulating the washing water in the washing tub, but there is a limit to the amount that can be removed by the circulating flow rate with respect to the amount of water stored in the tub.

また、洗濯槽内の洗濯水は節水のための低水位から汚れ落ち等を重視する高水位までどちらの条件でも効率的に取り除ける必要がある。   In addition, it is necessary to efficiently remove the washing water in the washing tub under either condition from a low water level for saving water to a high water level that places importance on removing dirt.

本発明は、前記従来の問題を解決するものであり、循環ポンプの稼働に頼らず効率的に糸屑を捕集することのできる洗濯機を提供することを目的とする。   The present invention solves the above-mentioned conventional problems, and an object thereof is to provide a washing machine that can efficiently collect yarn waste without depending on the operation of a circulation pump.

洗濯物を収容する洗濯兼脱水槽と、前記洗濯兼脱水槽を内包して洗濯水を溜める外槽と、前記洗濯兼脱水槽の内周側に設けられ、糸屑フィルタが取付けられるフィルターケースと、を備えた洗濯機において、前記糸屑フィルタは、前記洗濯兼脱水槽の回転軸中心と反対側である背面に、洗濯水が流入する導入口を有し、前記フィルターケース左右の側面に洗濯水導入経路が形成され、前記洗濯水導入経路は、リブを含んで形成され、前記導入口に対して左右方向の一方側に位置する前記リブは、前記導入口から上斜めへ傾斜しており、前記導入口に対して左右方向の他方側に位置する前記リブは、前記導入口から下斜めへ傾斜しており、前記洗濯水導入経路から前記フィルターケース内へ流入した洗濯水が、前記糸屑フィルタを通って前記洗濯兼脱水槽内へ供給する。 A washing and dewatering tub for storing laundry; an outer tub that encloses the washing and dewatering tub and stores washing water; and a filter case that is provided on the inner peripheral side of the washing and dewatering tub and to which a lint filter is attached. The waste thread filter has an inlet through which washing water flows on the back surface opposite to the center of the rotation axis of the washing and dewatering tank, and the left and right side surfaces of the filter case are washed. A water introduction path is formed, the washing water introduction path is formed to include a rib, and the rib located on one side in the left-right direction with respect to the introduction port is inclined obliquely upward from the introduction port. The rib located on the other side in the left-right direction with respect to the introduction port is inclined obliquely downward from the introduction port, and the washing water flowing into the filter case from the washing water introduction path is Through the waste filter And supplied to the de-water tank.

本発明によれば、循環ポンプの稼働に頼らず効率的に糸屑を捕集可能な洗濯機を提供できる。   According to the present invention, it is possible to provide a washing machine that can efficiently collect yarn waste without depending on the operation of the circulation pump.

本実施形態の洗濯乾燥機を示す外観図である。It is an external view which shows the washing-drying machine of this embodiment. 本実施形態の洗濯乾燥機の概略構造を示す縦断面図である。It is a longitudinal cross-sectional view which shows schematic structure of the washing / drying machine of this embodiment. 本実施形態の洗濯乾燥機における回転翼盤の斜視図である。It is a perspective view of the rotary blade in the washing / drying machine of this embodiment. 本実施形態の洗濯乾燥機における槽カバー上面の平面図である。It is a top view of the tank cover upper surface in the washing / drying machine of this embodiment. 図4に示した槽カバー下面の循環水カバー取り付け部の部分平面図である。It is a partial top view of the circulating water cover attachment part of the tank cover lower surface shown in FIG. 図5において循環水カバーを取り外した状態を示す部分平面図である。It is a partial top view which shows the state which removed the circulating water cover in FIG. 洗濯兼脱水槽に設置されているフィルターケースと糸屑フィルタを示す斜視図である。It is a perspective view which shows the filter case and the lint filter which are installed in the washing and dewatering tank. 図7におけるA−Aの部分断面図である。It is a fragmentary sectional view of AA in FIG. フィルターケースの背面図である。It is a rear view of a filter case. 糸屑フィルタの構造を示す斜視図である。It is a perspective view which shows the structure of a lint filter.

1は、外郭を構成する四角筒状の外枠である。2は、外枠1の上部に取り付けられたトップカバーである。3は、トップカバー2に取り付けられた外蓋3である。外蓋3は、中央で折り曲げて開くようになっており、その前側に各種操作ボタンスイッチ6、6aや表示器7、25を備えた操作パネル8を設けてある。操作パネル8は、機体底部に設けた制御装置14に電気的に接続している。5はトップカバー2の前面に設けた電源スイッチである。トップカバー2の後部には給水電磁弁4やヒータ20、送風ファン19などの給水、乾燥に関連する部品を、トップカバー2の前側には洗剤・仕上げ剤容器28を内蔵している。
9は、洗濯兼脱水槽で、その外周壁に通水および通風のための複数の小さな脱水孔9aを有し、その底壁に通水および通風のための複数の脱水孔9bを有し、その上縁部に流体バランサー9cを備え、底部の内側には回転自在に回転翼盤11を回転可能に設置する。
前記回転翼盤11は、図3に示すように、その上面に、回転することによって該洗濯兼脱水槽9内に投入されて回転翼盤11上に乗っている洗濯物に上向きの動きを繰り返し発生するように、回転方向になだらかに傾斜した複数の傾斜面を形成する***部11aと、多数の水抜き貫通孔11bを備える。***部11aは、回転方向に山形に傾斜し、且つ外周部位が順次に高くなるように径方向に傾斜し、更に、外周端面11cは上部を中心側に倒すように傾斜させた傾斜面とする。本実施例では、***部11aを2個設けてある。
回転翼盤11が回転すると、この回転翼盤11上の洗濯物は、回転翼盤11上を滑りながら該回転翼盤11の回転方向に回転すると共に***部11aに押されて上下方向に振動する。この時、洗濯水を循環しながら洗濯物の上方から振り掛け、洗濯物へ洗濯水を行き渡らせる。こうすることで、洗濯兼脱水槽9内に洗濯水を溜めなくても、洗濯物を洗濯することができ、大幅な節水が可能である。
10は、前記洗濯兼脱水槽9を内包する外槽であり、その底部の外側には洗濯脱水駆動装置を取り付ける。この外槽10は、外枠1の上端部の四隅部に設けた隅板に係止して垂下させた4本の支持棒に緩衝装置10aを介して該外槽10の四方位を係合させて均等に支持することにより該外枠1の中心部に懸垂する。前記洗濯脱水駆動装置は、インバータ駆動電動機または可逆回転型のコンデンサ分相単相誘導電動機を使用した洗濯脱水駆動電動機13と電磁操作クラッチ機構12と遊星歯車減速機構を内蔵し、洗濯脱水駆動電動機13と電磁操作クラッチ機構12を制御することによって、洗濯兼脱水槽9を静止させるように係止または自由に回転できるように解放した状態で回転翼盤11を繰り返し正逆回転させる洗濯駆動モードと、洗濯兼脱水槽9と回転翼盤11を一体的に同一方向に回転させる脱水駆動モードを選択的に実行する駆動機能を有する。
27は振動センサで、外槽10の側面外側に設置してあり、洗濯時や洗濯兼脱水槽9が高速回転する脱水時の外槽10の振動を検出する。
31は外槽10の上面に設けた槽カバーである。図4は、槽カバー31を上方から見た平面図である。槽カバー31の前側から約2/3の部分には洗濯物投入口31aを有し、後面31bには槽カバー31の上面と下面を連通する温風吹き出し口22a、給水入口32、循環水入口33が設けてある。また、槽カバー31の前方には、洗剤・柔軟仕上げ剤入口28aが設けてある。23は、洗濯物投入口31aを覆うように設けた内蓋である。内蓋23は、ヒンジ23bで開閉自在に取り付けられており、取っ手23aを上方に持ち上げることで、内蓋23のロック(図示せず)が解除され、取っ手23aを下方に押すことでロックされるようになっている。
22は、乾燥ダクトで、乾燥通水通気口10bと温風吹き出し口22aとの間を接続する。乾燥ダクト22の途中には、送風ファン19、ヒータ20、リントフィルタ(図示せず)、除湿機構22b、温度センサ26が設けてある。送風ファン19を運転し、ヒータ20に通電すると、洗濯兼脱水槽9内に温風が吹き込み、洗濯物を温め水分が蒸発する。高温多湿となった空気は、脱水孔9a、9bを通り外槽10に出て、通水通気口10bから乾燥ダクト22に吸い込まれ、除湿機構2bを流下する冷却水で冷却除湿されて乾いた低温空気となり、ヒータ20で再度加熱され、洗濯兼脱水槽9内に吹き込むように循環する。
29a、29b、29c、29d、29e、29fは、ゴム製の蛇腹管で、振動変位する外槽10や外槽カバー31と固定側(外枠1やトップカバー2など)に設けた乾燥ダクト22や給水電磁弁4、循環ポンプ16などとの接続用に用いている。
給水電磁弁4は、本実施例では4方向に給水を行えるよう4連弁を使用している。一つ目は洗濯給水電磁弁で、給水入口32に接続され、給水路36の散水口35から洗濯兼脱水槽9内に給水する。二つ目は洗剤給水電磁弁で、洗剤・仕上げ剤容器28の洗剤投入室に接続されている。三つ目は仕上げ剤給水電磁弁で、洗剤・仕上げ剤容器28の仕上げ剤投入室に接続されている。洗剤・仕上げ剤容器28は、洗剤・仕上げ剤入口28aとつながっており、外槽10内に洗剤や仕上げ剤が供給される。四つ目は後述する除湿機構2bに接続されている。
外槽10の底面には、エアトラップ21aが設けてあり、内部の圧力がチューブ21bを介して水位センサ21に伝えられ、外槽9内の洗濯水の水位を検知する。
17は洗濯水の循環パイプで、外槽底部に設けた通水通気口10bと循環水入口33との間を接続する。循環パイプ17の途中には、機体底部に設けた循環ポンプ16、異物トラップ18があり、異物トラップ18には排水弁15を介して排水ホース24が接続している。
30は槽カバー31の後面31bの下面(洗濯兼脱水槽9側)に設けた循環水カバーである。図5は、循環水カバー30および給水カバー36を取り付けた槽カバー31の後面31bを下方から見た平面図で、図6は図5で循環水カバー30を取り外した状態を示す平面図である。
循環水カバー30は、循環水入口33から流入した洗濯水を槽カバー31の洗濯物投入口31a側に導き、洗濯兼脱水槽9内に散水するために設けたものである。給水カバー36は、給水入口32から流入した水道水を洗濯物投入口31a側に導き、洗濯兼脱水槽9内に散水するために設けたものである。給水カバー36には、洗濯兼脱水槽9内に向かって開口した複数個の散水口35が設けてある。
循環水カバー30には循環水路37が形成されている。循環水路37は一端が循環水入口33とつながっており、他端はノズル34に接続している。循環水路37の周囲は、循環水カバー30の端面をガスケット58に押付けて固定することで水封されている。
図7は、洗濯兼脱水槽9と付属する部品を上方から見た斜視図である。図7のように、フィルターケース40が洗濯兼脱水槽9の内周面に取り付けられており、このフィルターケース40の上下両端は洗濯兼脱水槽9底面と流体バランサー9aの間に支持されている。このフィルターケース40は、上下方向に延在する板状体で形成され、洗濯兼脱水槽9との間に洗濯水が流通可能な隙間を有している。
Reference numeral 1 denotes a rectangular cylindrical outer frame constituting the outer shell. Reference numeral 2 denotes a top cover attached to the upper part of the outer frame 1. Reference numeral 3 denotes an outer lid 3 attached to the top cover 2. The outer lid 3 is bent and opened at the center, and an operation panel 8 provided with various operation button switches 6 and 6a and indicators 7 and 25 is provided on the front side thereof. The operation panel 8 is electrically connected to a control device 14 provided at the bottom of the machine body. Reference numeral 5 denotes a power switch provided on the front surface of the top cover 2. Parts related to water supply and drying such as a water supply electromagnetic valve 4, a heater 20, and a blower fan 19 are incorporated in the rear part of the top cover 2, and a detergent / finishing agent container 28 is incorporated in the front side of the top cover 2.
9 is a washing and dewatering tub having a plurality of small dewatering holes 9a for water flow and ventilation on its outer peripheral wall, and a plurality of dewatering holes 9b for water flow and ventilation on its bottom wall, A fluid balancer 9c is provided at the upper edge, and a rotary vane 11 is rotatably installed inside the bottom.
As shown in FIG. 3, the rotary blade 11 repeatedly moves upward on the upper surface of the laundry put on the rotary blade 11 by being rotated into the washing / dehydrating tub 9 by rotating. In order to generate | occur | produce, it is provided with the protruding part 11a which forms the some inclined surface which inclined gently in the rotation direction, and many drainage through-holes 11b. The raised portion 11a is inclined in a mountain shape in the rotation direction, and is inclined in the radial direction so that the outer peripheral portions are sequentially increased, and the outer peripheral end surface 11c is an inclined surface inclined so that the upper portion is tilted toward the center side. . In this embodiment, two raised portions 11a are provided.
When the rotary blade 11 rotates, the laundry on the rotary blade 11 rotates in the rotational direction of the rotary blade 11 while sliding on the rotary blade 11, and is pushed by the raised portion 11a and vibrates in the vertical direction. To do. At this time, the washing water is sprinkled from above the laundry while circulating the washing water, and the washing water is spread over the laundry. By doing so, the laundry can be washed without storing the washing water in the washing and dewatering tub 9, and significant water saving is possible.
Reference numeral 10 denotes an outer tub containing the washing / dehydrating tub 9, and a washing / dehydrating drive device is attached to the outside of the bottom of the tub. The outer tub 10 is engaged with four support rods which are suspended by hanging from corner plates provided at the four corners of the upper end portion of the outer frame 1 via the shock absorber 10a. Then, it is suspended at the center of the outer frame 1 by supporting it evenly. The washing / dehydrating drive device incorporates a washing / dehydrating drive motor 13 using an inverter-driven motor or a reversible rotation type capacitor phase-separated single-phase induction motor, an electromagnetic operation clutch mechanism 12, and a planetary gear reduction mechanism. And the electromagnetic operation clutch mechanism 12 to control the washing / dehydrating tub 9 so as to be stationary or to be freely rotated so that the rotary blade 11 can be rotated forward and backward repeatedly in a released state; It has a drive function for selectively executing a dewatering drive mode in which the washing and dewatering tub 9 and the rotary vane 11 are integrally rotated in the same direction.
A vibration sensor 27 is installed outside the side surface of the outer tub 10 and detects vibrations of the outer tub 10 during washing or during dehydration in which the washing and dewatering tub 9 rotates at high speed.
Reference numeral 31 denotes a tank cover provided on the upper surface of the outer tank 10. FIG. 4 is a plan view of the tank cover 31 as viewed from above. About 2/3 from the front side of the tank cover 31 has a laundry input port 31a, and the rear surface 31b has a hot air outlet 22a that communicates the upper and lower surfaces of the tank cover 31, a water supply inlet 32, and a circulating water inlet. 33 is provided. Further, a detergent / softening agent inlet 28 a is provided in front of the tank cover 31. Reference numeral 23 denotes an inner lid provided so as to cover the laundry input port 31a. The inner lid 23 is openably / closably attached by a hinge 23b, and the lock (not shown) of the inner lid 23 is released by lifting the handle 23a upward, and is locked by pushing the handle 23a downward. It is like that.
Reference numeral 22 denotes a drying duct, which connects the dry water vent 10b and the hot air outlet 22a. In the middle of the drying duct 22, a blower fan 19, a heater 20, a lint filter (not shown), a dehumidifying mechanism 22b, and a temperature sensor 26 are provided. When the blower fan 19 is operated and the heater 20 is energized, warm air blows into the washing and dewatering tub 9, warming the laundry and evaporating moisture. The air that has become hot and humid passes through the dewatering holes 9a and 9b, exits the outer tub 10, is sucked into the drying duct 22 through the water vent 10b, and is cooled and dehumidified with cooling water flowing down the dehumidifying mechanism 2b and dried. It becomes low-temperature air, is heated again by the heater 20, and circulates so as to blow into the washing and dewatering tub 9.
29a, 29b, 29c, 29d, 29e, and 29f are rubber bellows tubes, and the drying duct 22 provided on the outer tank 10 and the outer tank cover 31 that are subject to vibration displacement and the fixed side (the outer frame 1, the top cover 2, and the like). It is used for connection with the water supply electromagnetic valve 4 and the circulation pump 16.
In this embodiment, the water supply electromagnetic valve 4 uses a four-way valve so that water can be supplied in four directions. The first is a washing water supply solenoid valve, which is connected to the water supply inlet 32 and supplies water into the washing and dewatering tub 9 through the water spout 35 of the water supply passage 36. The second is a detergent water supply solenoid valve, which is connected to the detergent charging chamber of the detergent / finishing agent container 28. The third is a finishing water supply solenoid valve, which is connected to the finishing agent charging chamber of the detergent / finishing agent container 28. The detergent / finishing agent container 28 is connected to the detergent / finishing agent inlet 28 a, and the detergent and the finishing agent are supplied into the outer tub 10. The fourth is connected to a dehumidifying mechanism 2b described later.
An air trap 21 a is provided on the bottom surface of the outer tub 10, and the internal pressure is transmitted to the water level sensor 21 via the tube 21 b to detect the water level of the washing water in the outer tub 9.
Reference numeral 17 denotes a wash water circulation pipe that connects between the water flow vent 10 b provided at the bottom of the outer tub and the circulation water inlet 33. In the middle of the circulation pipe 17, there are a circulation pump 16 and a foreign matter trap 18 provided at the bottom of the machine body. A drainage hose 24 is connected to the foreign matter trap 18 via a drainage valve 15.
Reference numeral 30 denotes a circulating water cover provided on the lower surface of the rear surface 31b of the tank cover 31 (on the washing and dewatering tank 9 side). 5 is a plan view of the rear surface 31b of the tank cover 31 to which the circulating water cover 30 and the water supply cover 36 are attached as viewed from below, and FIG. 6 is a plan view showing a state in which the circulating water cover 30 is removed in FIG. .
The circulating water cover 30 is provided to guide the washing water flowing in from the circulating water inlet 33 to the laundry input port 31 a side of the tank cover 31 and sprinkle it into the washing and dewatering tank 9. The water supply cover 36 is provided to guide the tap water flowing in from the water supply inlet 32 to the laundry input port 31a and to spray the water into the washing and dewatering tub 9. The water supply cover 36 is provided with a plurality of water spouts 35 opened toward the inside of the washing and dewatering tub 9.
A circulating water channel 37 is formed in the circulating water cover 30. The circulating water channel 37 has one end connected to the circulating water inlet 33 and the other end connected to the nozzle 34. The periphery of the circulating water channel 37 is sealed by pressing the end surface of the circulating water cover 30 against the gasket 58 and fixing it.
FIG. 7 is a perspective view of the washing and dewatering tub 9 and the attached parts as viewed from above. As shown in FIG. 7, the filter case 40 is attached to the inner peripheral surface of the washing / dehydrating tank 9, and the upper and lower ends of the filter case 40 are supported between the bottom surface of the washing / dehydrating tank 9 and the fluid balancer 9a. . The filter case 40 is formed of a plate-like body extending in the vertical direction, and has a gap through which washing water can flow between the washing case and the dewatering tub 9.

また、フィルターケース40の内周面側(洗濯兼脱水槽9の回転軸中心へ向く側)には、糸屑フィルタ41が組み付けられる部分として凹部が形成されている。このフィルターケース40の凹部には、フィルターケース40の幅方向中央に洗濯水導入孔40aが形成され、裏側に後述するリブ40b,40cが形成される(図9参照)。   Further, a concave portion is formed on the inner peripheral surface side of the filter case 40 (the side facing the rotation axis center of the washing and dewatering tub 9) as a part where the yarn waste filter 41 is assembled. In the recess of the filter case 40, a washing water introduction hole 40a is formed at the center in the width direction of the filter case 40, and ribs 40b and 40c described later are formed on the back side (see FIG. 9).

つぎに、本実施形態における糸屑フィルタ41の構造について説明する。図10に示すように、糸屑フィルタ41は、薄く上下に長い略直方体形状を有し、その内側は中空になっており、下部中央にヒンジが設けられている。ヒンジは、糸屑フィルタ41の表面板41bの下端と、裏面板41cの下端とを軸支することで、このヒンジ周りに表面板41bと裏面板41cとを相対的に回動させる構成となっている。     Next, the structure of the lint filter 41 in this embodiment will be described. As shown in FIG. 10, the lint filter 41 has a substantially rectangular parallelepiped shape that is thin and long, and the inside thereof is hollow, and a hinge is provided at the lower center. The hinge pivotally supports the lower end of the front surface plate 41b of the lint filter 41 and the lower end of the back surface plate 41c, so that the front surface plate 41b and the back surface plate 41c are relatively rotated around the hinge. ing.

また、糸屑フィルタ41の下部には、フィルターケース40を差し込み固定するための爪部41dが設けられ、糸屑フィルタ41の上部には、着脱可能な係止部41eが設けられている。なお、フィルターケース40の凹部の下側には、爪部41dが嵌入される嵌入穴(図示せず)が形成され、凹部の上側には、係止部41eが係止される係止穴(図示せず)が形成されている。したがって、糸屑フィルタ41をフィルターケース40から取り外し、表面板41bと裏面板41cとを展開して広げれば、糸屑フィルタ41で捕集された糸屑を容易に取り除くことができる。   Further, a claw portion 41 d for inserting and fixing the filter case 40 is provided at the lower portion of the yarn waste filter 41, and a detachable locking portion 41 e is provided at the upper portion of the yarn waste filter 41. A fitting hole (not shown) into which the claw portion 41d is fitted is formed below the concave portion of the filter case 40, and a locking hole (to which the locking portion 41e is locked) is formed above the concave portion. (Not shown) is formed. Therefore, if the lint filter 41 is removed from the filter case 40 and the front plate 41b and the back plate 41c are developed and spread, the lint collected by the lint filter 41 can be easily removed.

さらに、糸屑フィルタ41の前側には、上下方向の少なくとも下半分を占めるようにフィルタ部41fが形成され、フィルタ部41fが形成されていない上部には、左右横長の窪みで指掛部が形成されている。フィルタ部41fは、略格子状の枠部で複数の孔部が区画され、これらの孔部は、中空の糸屑フィルタ41の内外を連通させる。   Furthermore, a filter part 41f is formed on the front side of the lint filter 41 so as to occupy at least the lower half in the vertical direction, and a finger hook part is formed by a horizontally long recess on the upper part where the filter part 41f is not formed. Has been. The filter portion 41 f is divided into a plurality of holes by a substantially lattice-shaped frame portion, and these holes communicate the inside and outside of the hollow lint filter 41.

そして、裏面板41cには、フィルターケース40の洗濯水導入孔40aと対応する位置に、導入口41aが形成されている。この糸屑フィルタ41に設けられる導入口41aは、水流を妨げないように、フィルターケース40の洗濯水導入孔40aよりも大きく開口させることが望ましい。     An inlet 41a is formed in the back plate 41c at a position corresponding to the washing water inlet 40a of the filter case 40. The introduction port 41a provided in the lint filter 41 is desirably opened larger than the washing water introduction hole 40a of the filter case 40 so as not to disturb the water flow.

図8は、図7のA−A断面図、図9は、糸屑フィルタ41を取り付けた状態におけるフィルターケース40の背面図である。フィルターケース40の幅方向中央にある洗濯水導入孔40aへは、外槽10と洗濯兼脱水槽9との間の空間に存在する洗濯水43が脱水孔9aを通して流入するとともに、フィルターケース40の左右方向の側面に形成された洗濯水導入経路を通して洗濯兼脱水槽9内の洗濯水42が流入する。     8 is a cross-sectional view taken along the line AA of FIG. 7, and FIG. 9 is a rear view of the filter case 40 with the lint filter 41 attached. The washing water 43 existing in the space between the outer tub 10 and the washing and dewatering tub 9 flows into the washing water introduction hole 40a at the center in the width direction of the filter case 40 through the dewatering hole 9a. The washing water 42 in the washing and dewatering tub 9 flows in through the washing water introduction path formed on the lateral side surface.

ここで、フィルターケース40の導入口40aとの対向面には、糸屑フィルタ41の導入口41aが位置しており、この導入口41aから糸屑フィルタ41内へ流入した洗濯水は、フィルタ部41fでろ過されて洗濯兼脱水槽9内へ吐き出される。このフィルタ部41fのメッシュ状フィルタを通過するときに、洗濯水に含まれる糸屑を捕集する。     Here, the introduction port 41a of the lint filter 41 is located on the surface facing the introduction port 40a of the filter case 40, and the washing water flowing into the lint filter 41 from this introduction port 41a is supplied to the filter unit. It is filtered at 41 f and discharged into the washing and dewatering tub 9. When passing through the mesh filter of the filter portion 41f, the yarn waste contained in the washing water is collected.

フィルターケース40の背面側(洗濯兼脱水槽9の回転軸中心と反対側)には、導入口40aの左右両側端から、フィルターケース40の左右両側端へ向かって、一方は下へ傾斜するように、他方は上へ傾斜するように、リブ40b,40cが設けられている。これらのリブは左右の傾斜を逆に形成しても構わない。また、導入口40aの左右両側端からは、フィルターケース40の左右両側端へ向かって水平方向に延びるリブ40d,40eも設けられている。このように、上下方向に傾斜するリブと水平方向へ延びるリブとによって、フィルターケース40の左右の側面から糸屑フィルタ41内へ水を呼び込むための、スリット状の洗濯水導入経路が形成される。   On the back side of the filter case 40 (on the side opposite to the center of rotation of the washing and dewatering tub 9), one side is inclined downward from the left and right ends of the inlet 40a toward the left and right ends of the filter case 40. In addition, ribs 40b and 40c are provided so that the other is inclined upward. These ribs may be formed with the right and left slopes reversed. Further, ribs 40d and 40e extending horizontally from the left and right ends of the inlet 40a toward the left and right ends of the filter case 40 are also provided. In this way, the slit-like washing water introduction path for drawing water into the lint filter 41 from the left and right side surfaces of the filter case 40 is formed by the ribs inclined in the vertical direction and the ribs extending in the horizontal direction. .

そして、上斜めに形成されたリブ40bが、洗濯兼脱水槽9の上部である高水位側の水流を洗濯水導入経路から糸屑フィルタ41内へ整流する。同様に、下斜めに形成されたリブ40cが、洗濯兼脱水槽9の下部である低水位側の水流を洗濯水導入経路から糸屑フィルタ41内へ整流する。したがって、高水位、低水位のどちらでも糸屑を捕集できる。   Then, the ribs 40 b formed obliquely upward rectify the water flow on the high water level side, which is the upper part of the washing and dewatering tub 9, from the washing water introduction path into the lint filter 41. Similarly, the ribs 40 c formed obliquely downward rectify the water flow on the low water level side, which is the lower part of the washing and dewatering tub 9, from the washing water introduction path into the lint filter 41. Therefore, yarn waste can be collected at both high and low water levels.

また、基本的に、洗濯兼脱水槽9の回転方向と同じ側の洗濯水導入経路から洗濯水が取り込まれる。そのため、フィルターケース40の傾斜するリブ40b,40cを左右対称に両方に設けることにより、左右どちらの回転においても効率的に高水位・低水位で洗濯水をフィルターケース40から取り込んで糸屑を捕集するように構成しても良い。なお、フィルターケース40の導入口40aの高さについては、洗濯兼脱水槽9内に注水される最高水位に対して半分程度の位置が望ましい。これにより、高水位でも多くの水流をフィルターケース40内に取り込むことが可能となる。   Basically, the washing water is taken in from the washing water introduction path on the same side as the rotation direction of the washing and dewatering tub 9. For this reason, the inclined ribs 40b and 40c of the filter case 40 are provided on both sides symmetrically so that the washing water can be efficiently taken in from the filter case 40 at high and low water levels in both rotations of the left and right to collect lint. You may comprise so that it may collect. In addition, about the height of the inlet 40a of the filter case 40, the position of about half with respect to the highest water level poured into the washing and dewatering tank 9 is desirable. As a result, a large amount of water flow can be taken into the filter case 40 even at high water levels.

なお、フィルターケース40および糸屑フィルタ41は、洗濯兼脱水槽9の内周面に、互いに対向するようにそれぞれ複数設けても良い。また、糸屑フィルタ41の構造は、上述のような格子状の枠を有する折り畳み式のものに限らず、袋状のものであっても良い。また、本実施形態では、循環ポンプ16を用いて洗濯水を循環させる方式の洗濯機について説明したが、これに限られるものではない。すなわち、洗濯兼脱水槽9の下部の洗濯水を洗濯兼脱水槽9や回転翼43の回転による遠心力で、フィルターケース40の下部の隙間から吸い上げ、フィルターケース40の裏面と洗濯兼脱水槽9との間の隙間を循環流路として水流を上昇させて、糸屑フィルタ41又はその上部に別途設けた散水口から洗濯兼脱水槽9内へ吹出しても良い。   A plurality of filter cases 40 and lint filters 41 may be provided on the inner peripheral surface of the washing and dewatering tub 9 so as to face each other. Further, the structure of the lint filter 41 is not limited to the folding type having the lattice-like frame as described above, and may be a bag shape. Moreover, although this embodiment demonstrated the washing machine of the system which circulates wash water using the circulation pump 16, it is not restricted to this. That is, the washing water in the lower part of the washing / dehydrating tub 9 is sucked up from the gap under the filter case 40 by the centrifugal force generated by the rotation of the washing / dehydrating tub 9 and the rotary blade 43, and the back surface of the filter case 40 and the washing / dehydrating tub 9 are The water flow may be raised by using the gap between them as a circulation flow path and blown out into the washing and dewatering tub 9 from the lint filter 41 or a sprinkler provided separately on the upper part thereof.

1 洗濯乾燥機
2 トップカバー
3 外蓋
9 脱水洗濯槽
9a 流体バランサー
10 外槽
11 回転翼盤
31 槽カバー
40 フィルターケース
40a 導入口
41 糸屑フィルタ
DESCRIPTION OF SYMBOLS 1 Washing dryer 2 Top cover 3 Outer lid 9 Dehydration washing tub 9a Fluid balancer 10 Outer tub 11 Rotor blade 31 Tank cover 40 Filter case 40a Inlet 41 Lint filter

Claims (3)

洗濯物を収容する洗濯兼脱水槽と、
前記洗濯兼脱水槽を内包して洗濯水を溜める外槽と、
前記洗濯兼脱水槽の内周側に設けられ、糸屑フィルタが取付けられるフィルターケースと、
を備えた洗濯機において、
前記糸屑フィルタは、前記洗濯兼脱水槽の回転軸中心と反対側である背面に、洗濯水が流入する導入口を有し、
前記フィルターケースの左右の側面に洗濯水導入経路が形成され、
前記洗濯水導入経路は、リブを含んで形成され、
前記導入口に対して左右方向の一方側に位置する前記リブは、前記導入口から上斜めへ傾斜しており、
前記導入口に対して左右方向の他方側に位置する前記リブは、前記導入口から下斜めへ傾斜しており、
前記洗濯水導入経路から前記フィルターケース内へ流入した洗濯水が、前記糸屑フィルタを通って前記洗濯兼脱水槽内へ供給されることを特徴とする洗濯機。
A washing and dewatering tub for storing laundry;
An outer tub containing the washing and dewatering tub and storing the washing water;
A filter case provided on the inner peripheral side of the washing and dewatering tub, to which a lint filter is attached;
In a washing machine equipped with
The lint filter has an inlet through which washing water flows on the back surface opposite to the center of rotation of the washing and dewatering tub,
Washing water introduction paths are formed on the left and right sides of the filter case,
The washing water introduction path is formed including a rib,
The rib located on one side in the left-right direction with respect to the introduction port is inclined obliquely upward from the introduction port,
The rib located on the other side in the left-right direction with respect to the introduction port is inclined downward from the introduction port,
The washing machine that flows into the filter case from the washing water introduction path is supplied to the washing and dewatering tank through the lint filter.
請求項1において、
前記洗濯物が乗ることが可能な回転翼盤を有し、
前記洗濯水導入経路は、前記導入口に対して左右方向それぞれに位置し、水平方向に延びるリブをさらに有することを特徴とする洗濯機。
In claim 1,
Having a rotary vane on which the laundry can ride;
The washing machine may further include ribs extending in the horizontal direction and positioned in the left-right direction with respect to the introduction port .
請求項1において、
前記フィルターケースの幅方向中央に洗濯水導入孔が形成されており、
この洗濯水導入孔との対向面に、前記糸屑フィルタの導入口が位置し、
前記導入口の大きさは、前記洗濯水導入孔の大きさよりも大きいことを特徴とする洗濯機。
In claim 1,
A washing water introduction hole is formed at the center in the width direction of the filter case,
On the surface facing this washing water introduction hole, the introduction port of the lint filter is located ,
The washing machine according to claim 1, wherein a size of the introduction port is larger than a size of the washing water introduction hole .
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